OpenVDB 12.1.0

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PNanoVDB.h
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1
2// Copyright Contributors to the OpenVDB Project
3// SPDX-License-Identifier: Apache-2.0
4
5/*!
6 \file nanovdb/PNanoVDB.h
7
8 \author Andrew Reidmeyer
9
10 \brief This file is a portable (e.g. pointer-less) C99/GLSL/HLSL port
11 of NanoVDB.h, which is compatible with most graphics APIs.
12*/
13
14#ifndef NANOVDB_PNANOVDB_H_HAS_BEEN_INCLUDED
15#define NANOVDB_PNANOVDB_H_HAS_BEEN_INCLUDED
16
17// ------------------------------------------------ Configuration -----------------------------------------------------------
18
19// platforms
20//#define PNANOVDB_C
21//#define PNANOVDB_HLSL
22//#define PNANOVDB_GLSL
23
24// addressing mode
25// PNANOVDB_ADDRESS_32
26// PNANOVDB_ADDRESS_64
27#if defined(PNANOVDB_C)
28#ifndef PNANOVDB_ADDRESS_32
29#define PNANOVDB_ADDRESS_64
30#endif
31#elif defined(PNANOVDB_HLSL)
32#ifndef PNANOVDB_ADDRESS_64
33#define PNANOVDB_ADDRESS_32
34#endif
35#elif defined(PNANOVDB_GLSL)
36#ifndef PNANOVDB_ADDRESS_64
37#define PNANOVDB_ADDRESS_32
38#endif
39#endif
40
41// bounds checking
42//#define PNANOVDB_BUF_BOUNDS_CHECK
43
44// enable HDDA by default on HLSL/GLSL, make explicit on C
45#if defined(PNANOVDB_C)
46//#define PNANOVDB_HDDA
47#ifdef PNANOVDB_HDDA
48#ifndef PNANOVDB_CMATH
49#define PNANOVDB_CMATH
50#endif
51#endif
52#elif defined(PNANOVDB_HLSL)
53#define PNANOVDB_HDDA
54#elif defined(PNANOVDB_GLSL)
55#define PNANOVDB_HDDA
56#endif
57
58#ifdef PNANOVDB_CMATH
59#ifndef __CUDACC_RTC__
60#include <math.h>
61#endif
62#endif
63
64// ------------------------------------------------ Buffer -----------------------------------------------------------
65
66#if defined(PNANOVDB_BUF_CUSTOM)
67// NOP
68#elif defined(PNANOVDB_C)
69#define PNANOVDB_BUF_C
70#elif defined(PNANOVDB_HLSL)
71#define PNANOVDB_BUF_HLSL
72#elif defined(PNANOVDB_GLSL)
73#define PNANOVDB_BUF_GLSL
74#endif
75
76#if defined(PNANOVDB_BUF_C)
77#ifndef __CUDACC_RTC__
78#include <stdint.h>
79#endif
80#if defined(__CUDACC__)
81#define PNANOVDB_BUF_FORCE_INLINE static __host__ __device__ __forceinline__
82#elif defined(_WIN32)
83#define PNANOVDB_BUF_FORCE_INLINE static inline __forceinline
84#else
85#define PNANOVDB_BUF_FORCE_INLINE static inline __attribute__((always_inline))
86#endif
87 typedef struct pnanovdb_buf_t
88{
89 uint32_t* data;
90#ifdef PNANOVDB_BUF_BOUNDS_CHECK
91 uint64_t size_in_words;
92#endif
93}pnanovdb_buf_t;
94PNANOVDB_BUF_FORCE_INLINE pnanovdb_buf_t pnanovdb_make_buf(uint32_t* data, uint64_t size_in_words)
95{
96 pnanovdb_buf_t ret;
97 ret.data = data;
98#ifdef PNANOVDB_BUF_BOUNDS_CHECK
99 ret.size_in_words = size_in_words;
100#endif
101 return ret;
102}
103#if defined(PNANOVDB_ADDRESS_32)
104PNANOVDB_BUF_FORCE_INLINE uint32_t pnanovdb_buf_read_uint32(pnanovdb_buf_t buf, uint32_t byte_offset)
105{
106 uint32_t wordaddress = (byte_offset >> 2u);
107#ifdef PNANOVDB_BUF_BOUNDS_CHECK
108 return wordaddress < buf.size_in_words ? buf.data[wordaddress] : 0u;
109#else
110 return buf.data[wordaddress];
111#endif
112}
113PNANOVDB_BUF_FORCE_INLINE uint64_t pnanovdb_buf_read_uint64(pnanovdb_buf_t buf, uint32_t byte_offset)
114{
115 uint64_t* data64 = (uint64_t*)buf.data;
116 uint32_t wordaddress64 = (byte_offset >> 3u);
117#ifdef PNANOVDB_BUF_BOUNDS_CHECK
118 uint64_t size_in_words64 = buf.size_in_words >> 1u;
119 return wordaddress64 < size_in_words64 ? data64[wordaddress64] : 0llu;
120#else
121 return data64[wordaddress64];
122#endif
123}
124PNANOVDB_BUF_FORCE_INLINE void pnanovdb_buf_write_uint32(pnanovdb_buf_t buf, uint32_t byte_offset, uint32_t value)
125{
126 uint32_t wordaddress = (byte_offset >> 2u);
127#ifdef PNANOVDB_BUF_BOUNDS_CHECK
128 if (wordaddress < buf.size_in_words)
129 {
130 buf.data[wordaddress] = value;
131}
132#else
133 buf.data[wordaddress] = value;
134#endif
135}
136PNANOVDB_BUF_FORCE_INLINE void pnanovdb_buf_write_uint64(pnanovdb_buf_t buf, uint32_t byte_offset, uint64_t value)
137{
138 uint64_t* data64 = (uint64_t*)buf.data;
139 uint32_t wordaddress64 = (byte_offset >> 3u);
140#ifdef PNANOVDB_BUF_BOUNDS_CHECK
141 uint64_t size_in_words64 = buf.size_in_words >> 1u;
142 if (wordaddress64 < size_in_words64)
143 {
144 data64[wordaddress64] = value;
145 }
146#else
147 data64[wordaddress64] = value;
148#endif
149}
150#elif defined(PNANOVDB_ADDRESS_64)
151PNANOVDB_BUF_FORCE_INLINE uint32_t pnanovdb_buf_read_uint32(pnanovdb_buf_t buf, uint64_t byte_offset)
152{
153 uint64_t wordaddress = (byte_offset >> 2u);
154#ifdef PNANOVDB_BUF_BOUNDS_CHECK
155 return wordaddress < buf.size_in_words ? buf.data[wordaddress] : 0u;
156#else
157 return buf.data[wordaddress];
158#endif
159}
160PNANOVDB_BUF_FORCE_INLINE uint64_t pnanovdb_buf_read_uint64(pnanovdb_buf_t buf, uint64_t byte_offset)
161{
162 uint64_t* data64 = (uint64_t*)buf.data;
163 uint64_t wordaddress64 = (byte_offset >> 3u);
164#ifdef PNANOVDB_BUF_BOUNDS_CHECK
165 uint64_t size_in_words64 = buf.size_in_words >> 1u;
166 return wordaddress64 < size_in_words64 ? data64[wordaddress64] : 0llu;
167#else
168 return data64[wordaddress64];
169#endif
170}
171PNANOVDB_BUF_FORCE_INLINE void pnanovdb_buf_write_uint32(pnanovdb_buf_t buf, uint64_t byte_offset, uint32_t value)
172{
173 uint64_t wordaddress = (byte_offset >> 2u);
174#ifdef PNANOVDB_BUF_BOUNDS_CHECK
175 if (wordaddress < buf.size_in_words)
176 {
177 buf.data[wordaddress] = value;
178 }
179#else
180 buf.data[wordaddress] = value;
181#endif
182}
183PNANOVDB_BUF_FORCE_INLINE void pnanovdb_buf_write_uint64(pnanovdb_buf_t buf, uint64_t byte_offset, uint64_t value)
184{
185 uint64_t* data64 = (uint64_t*)buf.data;
186 uint64_t wordaddress64 = (byte_offset >> 3u);
187#ifdef PNANOVDB_BUF_BOUNDS_CHECK
188 uint64_t size_in_words64 = buf.size_in_words >> 1u;
189 if (wordaddress64 < size_in_words64)
190 {
191 data64[wordaddress64] = value;
192 }
193#else
194 data64[wordaddress64] = value;
195#endif
196}
197#endif
198 typedef uint32_t pnanovdb_grid_type_t;
199#define PNANOVDB_GRID_TYPE_GET(grid_typeIn, nameIn) pnanovdb_grid_type_constants[grid_typeIn].nameIn
200#elif defined(PNANOVDB_BUF_HLSL)
201#if defined(PNANOVDB_ADDRESS_32)
202#define pnanovdb_buf_t StructuredBuffer<uint>
203uint pnanovdb_buf_read_uint32(pnanovdb_buf_t buf, uint byte_offset)
204{
205 return buf[(byte_offset >> 2u)];
206}
207uint2 pnanovdb_buf_read_uint64(pnanovdb_buf_t buf, uint byte_offset)
208{
209 uint2 ret;
210 ret.x = pnanovdb_buf_read_uint32(buf, byte_offset + 0u);
211 ret.y = pnanovdb_buf_read_uint32(buf, byte_offset + 4u);
212 return ret;
213}
214 void pnanovdb_buf_write_uint32(pnanovdb_buf_t buf, uint byte_offset, uint value)
215{
216 // NOP, by default no write in HLSL
217}
218 void pnanovdb_buf_write_uint64(pnanovdb_buf_t buf, uint byte_offset, uint2 value)
219{
220 // NOP, by default no write in HLSL
221}
222#elif defined(PNANOVDB_ADDRESS_64)
223#define pnanovdb_buf_t StructuredBuffer<uint>
224uint pnanovdb_buf_read_uint32(pnanovdb_buf_t buf, uint64_t byte_offset)
225{
226 return buf[uint(byte_offset >> 2u)];
227}
228uint64_t pnanovdb_buf_read_uint64(pnanovdb_buf_t buf, uint64_t byte_offset)
229{
230 uint64_t ret;
231 ret = pnanovdb_buf_read_uint32(buf, byte_offset + 0u);
232 ret = ret + (uint64_t(pnanovdb_buf_read_uint32(buf, byte_offset + 4u)) << 32u);
233 return ret;
234}
235 void pnanovdb_buf_write_uint32(pnanovdb_buf_t buf, uint64_t byte_offset, uint value)
236{
237 // NOP, by default no write in HLSL
238}
239 void pnanovdb_buf_write_uint64(pnanovdb_buf_t buf, uint64_t byte_offset, uint64_t value)
240{
241 // NOP, by default no write in HLSL
242}
243#endif
244#define pnanovdb_grid_type_t uint
245#define PNANOVDB_GRID_TYPE_GET(grid_typeIn, nameIn) pnanovdb_grid_type_constants[grid_typeIn].nameIn
246#elif defined(PNANOVDB_BUF_GLSL)
247 struct pnanovdb_buf_t
248{
249 uint unused; // to satisfy min struct size?
250};
251uint pnanovdb_buf_read_uint32(pnanovdb_buf_t buf, uint byte_offset)
252{
253 return pnanovdb_buf_data[(byte_offset >> 2u)];
254}
255uvec2 pnanovdb_buf_read_uint64(pnanovdb_buf_t buf, uint byte_offset)
256{
257 uvec2 ret;
258 ret.x = pnanovdb_buf_read_uint32(buf, byte_offset + 0u);
259 ret.y = pnanovdb_buf_read_uint32(buf, byte_offset + 4u);
260 return ret;
261}
262 void pnanovdb_buf_write_uint32(pnanovdb_buf_t buf, uint byte_offset, uint value)
263{
264 // NOP, by default no write in HLSL
265}
266 void pnanovdb_buf_write_uint64(pnanovdb_buf_t buf, uint byte_offset, uvec2 value)
267{
268 // NOP, by default no write in HLSL
269}
270#define pnanovdb_grid_type_t uint
271#define PNANOVDB_GRID_TYPE_GET(grid_typeIn, nameIn) pnanovdb_grid_type_constants[grid_typeIn].nameIn
272#endif
273
274// ------------------------------------------------ Basic Types -----------------------------------------------------------
275
276// force inline
277#if defined(PNANOVDB_C)
278#if defined(__CUDACC__)
279#define PNANOVDB_FORCE_INLINE static __host__ __device__ __forceinline__
280#elif defined(_WIN32)
281#define PNANOVDB_FORCE_INLINE static inline __forceinline
282#else
283#define PNANOVDB_FORCE_INLINE static inline __attribute__((always_inline))
284#endif
285#elif defined(PNANOVDB_HLSL)
286#define PNANOVDB_FORCE_INLINE
287#elif defined(PNANOVDB_GLSL)
288#define PNANOVDB_FORCE_INLINE
289#endif
290
291// struct typedef, static const, inout
292#if defined(PNANOVDB_C)
293#define PNANOVDB_STRUCT_TYPEDEF(X) typedef struct X X;
294#if defined(__CUDA_ARCH__)
295#define PNANOVDB_STATIC_CONST constexpr __constant__
296#else
297#define PNANOVDB_STATIC_CONST static const
298#endif
299#define PNANOVDB_INOUT(X) X*
300#define PNANOVDB_IN(X) const X*
301#define PNANOVDB_DEREF(X) (*X)
302#define PNANOVDB_REF(X) &X
303#elif defined(PNANOVDB_HLSL)
304#define PNANOVDB_STRUCT_TYPEDEF(X)
305#define PNANOVDB_STATIC_CONST static const
306#define PNANOVDB_INOUT(X) inout X
307#define PNANOVDB_IN(X) X
308#define PNANOVDB_DEREF(X) X
309#define PNANOVDB_REF(X) X
310#elif defined(PNANOVDB_GLSL)
311#define PNANOVDB_STRUCT_TYPEDEF(X)
312#define PNANOVDB_STATIC_CONST const
313#define PNANOVDB_INOUT(X) inout X
314#define PNANOVDB_IN(X) X
315#define PNANOVDB_DEREF(X) X
316#define PNANOVDB_REF(X) X
317#endif
318
319// basic types, type conversion
320#if defined(PNANOVDB_C)
321#define PNANOVDB_NATIVE_64
322#ifndef __CUDACC_RTC__
323#include <stdint.h>
324#endif
325#if !defined(PNANOVDB_MEMCPY_CUSTOM)
326#ifndef __CUDACC_RTC__
327#include <string.h>
328#endif
329#define pnanovdb_memcpy memcpy
330#endif
331 typedef uint32_t pnanovdb_uint32_t;
332 typedef int32_t pnanovdb_int32_t;
333 typedef int32_t pnanovdb_bool_t;
334#define PNANOVDB_FALSE 0
335#define PNANOVDB_TRUE 1
336 typedef uint64_t pnanovdb_uint64_t;
337 typedef int64_t pnanovdb_int64_t;
338 typedef struct pnanovdb_coord_t
339{
340 pnanovdb_int32_t x, y, z;
341}pnanovdb_coord_t;
342 typedef struct pnanovdb_vec3_t
343{
344 float x, y, z;
345}pnanovdb_vec3_t;
346PNANOVDB_FORCE_INLINE pnanovdb_int32_t pnanovdb_uint32_as_int32(pnanovdb_uint32_t v) { return (pnanovdb_int32_t)v; }
347PNANOVDB_FORCE_INLINE pnanovdb_int64_t pnanovdb_uint64_as_int64(pnanovdb_uint64_t v) { return (pnanovdb_int64_t)v; }
348PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_int64_as_uint64(pnanovdb_int64_t v) { return (pnanovdb_uint64_t)v; }
349PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_int32_as_uint32(pnanovdb_int32_t v) { return (pnanovdb_uint32_t)v; }
350PNANOVDB_FORCE_INLINE float pnanovdb_uint32_as_float(pnanovdb_uint32_t v) { float vf; pnanovdb_memcpy(&vf, &v, sizeof(vf)); return vf; }
351PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_float_as_uint32(float v) { return *((pnanovdb_uint32_t*)(&v)); }
352PNANOVDB_FORCE_INLINE double pnanovdb_uint64_as_double(pnanovdb_uint64_t v) { double vf; pnanovdb_memcpy(&vf, &v, sizeof(vf)); return vf; }
353PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_double_as_uint64(double v) { return *((pnanovdb_uint64_t*)(&v)); }
354PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_uint64_low(pnanovdb_uint64_t v) { return (pnanovdb_uint32_t)v; }
355PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_uint64_high(pnanovdb_uint64_t v) { return (pnanovdb_uint32_t)(v >> 32u); }
356PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_uint32_as_uint64(pnanovdb_uint32_t x, pnanovdb_uint32_t y) { return ((pnanovdb_uint64_t)x) | (((pnanovdb_uint64_t)y) << 32u); }
357PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_uint32_as_uint64_low(pnanovdb_uint32_t x) { return ((pnanovdb_uint64_t)x); }
358PNANOVDB_FORCE_INLINE pnanovdb_int32_t pnanovdb_uint64_is_equal(pnanovdb_uint64_t a, pnanovdb_uint64_t b) { return a == b; }
359PNANOVDB_FORCE_INLINE pnanovdb_int32_t pnanovdb_int64_is_zero(pnanovdb_int64_t a) { return a == 0; }
360#ifdef PNANOVDB_CMATH
361PNANOVDB_FORCE_INLINE float pnanovdb_floor(float v) { return floorf(v); }
362#endif
363PNANOVDB_FORCE_INLINE pnanovdb_int32_t pnanovdb_float_to_int32(float v) { return (pnanovdb_int32_t)v; }
364PNANOVDB_FORCE_INLINE float pnanovdb_int32_to_float(pnanovdb_int32_t v) { return (float)v; }
365PNANOVDB_FORCE_INLINE float pnanovdb_uint32_to_float(pnanovdb_uint32_t v) { return (float)v; }
366PNANOVDB_FORCE_INLINE float pnanovdb_min(float a, float b) { return a < b ? a : b; }
367PNANOVDB_FORCE_INLINE float pnanovdb_max(float a, float b) { return a > b ? a : b; }
368#elif defined(PNANOVDB_HLSL)
369 typedef uint pnanovdb_uint32_t;
370 typedef int pnanovdb_int32_t;
371 typedef bool pnanovdb_bool_t;
372#define PNANOVDB_FALSE false
373#define PNANOVDB_TRUE true
374 typedef int3 pnanovdb_coord_t;
375 typedef float3 pnanovdb_vec3_t;
376pnanovdb_int32_t pnanovdb_uint32_as_int32(pnanovdb_uint32_t v) { return int(v); }
377pnanovdb_uint32_t pnanovdb_int32_as_uint32(pnanovdb_int32_t v) { return uint(v); }
378 float pnanovdb_uint32_as_float(pnanovdb_uint32_t v) { return asfloat(v); }
379pnanovdb_uint32_t pnanovdb_float_as_uint32(float v) { return asuint(v); }
380 float pnanovdb_floor(float v) { return floor(v); }
381pnanovdb_int32_t pnanovdb_float_to_int32(float v) { return int(v); }
382 float pnanovdb_int32_to_float(pnanovdb_int32_t v) { return float(v); }
383 float pnanovdb_uint32_to_float(pnanovdb_uint32_t v) { return float(v); }
384 float pnanovdb_min(float a, float b) { return min(a, b); }
385 float pnanovdb_max(float a, float b) { return max(a, b); }
386#if defined(PNANOVDB_ADDRESS_32)
387 typedef uint2 pnanovdb_uint64_t;
388 typedef int2 pnanovdb_int64_t;
389pnanovdb_int64_t pnanovdb_uint64_as_int64(pnanovdb_uint64_t v) { return int2(v); }
390pnanovdb_uint64_t pnanovdb_int64_as_uint64(pnanovdb_int64_t v) { return uint2(v); }
391 double pnanovdb_uint64_as_double(pnanovdb_uint64_t v) { return asdouble(v.x, v.y); }
392pnanovdb_uint64_t pnanovdb_double_as_uint64(double v) { uint2 ret; asuint(v, ret.x, ret.y); return ret; }
393pnanovdb_uint32_t pnanovdb_uint64_low(pnanovdb_uint64_t v) { return v.x; }
394pnanovdb_uint32_t pnanovdb_uint64_high(pnanovdb_uint64_t v) { return v.y; }
395pnanovdb_uint64_t pnanovdb_uint32_as_uint64(pnanovdb_uint32_t x, pnanovdb_uint32_t y) { return uint2(x, y); }
396pnanovdb_uint64_t pnanovdb_uint32_as_uint64_low(pnanovdb_uint32_t x) { return uint2(x, 0); }
397 bool pnanovdb_uint64_is_equal(pnanovdb_uint64_t a, pnanovdb_uint64_t b) { return (a.x == b.x) && (a.y == b.y); }
398 bool pnanovdb_int64_is_zero(pnanovdb_int64_t a) { return a.x == 0 && a.y == 0; }
399#else
400 typedef uint64_t pnanovdb_uint64_t;
401 typedef int64_t pnanovdb_int64_t;
402pnanovdb_int64_t pnanovdb_uint64_as_int64(pnanovdb_uint64_t v) { return int64_t(v); }
403pnanovdb_uint64_t pnanovdb_int64_as_uint64(pnanovdb_int64_t v) { return uint64_t(v); }
404 double pnanovdb_uint64_as_double(pnanovdb_uint64_t v) { return asdouble(uint(v), uint(v >> 32u)); }
405pnanovdb_uint64_t pnanovdb_double_as_uint64(double v) { uint2 ret; asuint(v, ret.x, ret.y); return uint64_t(ret.x) + (uint64_t(ret.y) << 32u); }
406pnanovdb_uint32_t pnanovdb_uint64_low(pnanovdb_uint64_t v) { return uint(v); }
407pnanovdb_uint32_t pnanovdb_uint64_high(pnanovdb_uint64_t v) { return uint(v >> 32u); }
408pnanovdb_uint64_t pnanovdb_uint32_as_uint64(pnanovdb_uint32_t x, pnanovdb_uint32_t y) { return uint64_t(x) + (uint64_t(y) << 32u); }
409pnanovdb_uint64_t pnanovdb_uint32_as_uint64_low(pnanovdb_uint32_t x) { return uint64_t(x); }
410 bool pnanovdb_uint64_is_equal(pnanovdb_uint64_t a, pnanovdb_uint64_t b) { return a == b; }
411 bool pnanovdb_int64_is_zero(pnanovdb_int64_t a) { return a == 0; }
412#endif
413#elif defined(PNANOVDB_GLSL)
414#define pnanovdb_uint32_t uint
415#define pnanovdb_int32_t int
416#define pnanovdb_bool_t bool
417#define PNANOVDB_FALSE false
418#define PNANOVDB_TRUE true
419#define pnanovdb_uint64_t uvec2
420#define pnanovdb_int64_t ivec2
421#define pnanovdb_coord_t ivec3
422#define pnanovdb_vec3_t vec3
423pnanovdb_int32_t pnanovdb_uint32_as_int32(pnanovdb_uint32_t v) { return int(v); }
424pnanovdb_int64_t pnanovdb_uint64_as_int64(pnanovdb_uint64_t v) { return ivec2(v); }
425pnanovdb_uint64_t pnanovdb_int64_as_uint64(pnanovdb_int64_t v) { return uvec2(v); }
426pnanovdb_uint32_t pnanovdb_int32_as_uint32(pnanovdb_int32_t v) { return uint(v); }
427 float pnanovdb_uint32_as_float(pnanovdb_uint32_t v) { return uintBitsToFloat(v); }
428pnanovdb_uint32_t pnanovdb_float_as_uint32(float v) { return floatBitsToUint(v); }
429 double pnanovdb_uint64_as_double(pnanovdb_uint64_t v) { return packDouble2x32(uvec2(v.x, v.y)); }
430pnanovdb_uint64_t pnanovdb_double_as_uint64(double v) { return unpackDouble2x32(v); }
431pnanovdb_uint32_t pnanovdb_uint64_low(pnanovdb_uint64_t v) { return v.x; }
432pnanovdb_uint32_t pnanovdb_uint64_high(pnanovdb_uint64_t v) { return v.y; }
433pnanovdb_uint64_t pnanovdb_uint32_as_uint64(pnanovdb_uint32_t x, pnanovdb_uint32_t y) { return uvec2(x, y); }
434pnanovdb_uint64_t pnanovdb_uint32_as_uint64_low(pnanovdb_uint32_t x) { return uvec2(x, 0); }
435 bool pnanovdb_uint64_is_equal(pnanovdb_uint64_t a, pnanovdb_uint64_t b) { return (a.x == b.x) && (a.y == b.y); }
436 bool pnanovdb_int64_is_zero(pnanovdb_int64_t a) { return a.x == 0 && a.y == 0; }
437 float pnanovdb_floor(float v) { return floor(v); }
438pnanovdb_int32_t pnanovdb_float_to_int32(float v) { return int(v); }
439 float pnanovdb_int32_to_float(pnanovdb_int32_t v) { return float(v); }
440 float pnanovdb_uint32_to_float(pnanovdb_uint32_t v) { return float(v); }
441 float pnanovdb_min(float a, float b) { return min(a, b); }
442 float pnanovdb_max(float a, float b) { return max(a, b); }
443#endif
444
445// ------------------------------------------------ Coord/Vec3 Utilties -----------------------------------------------------------
446
447#if defined(PNANOVDB_C)
448PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_vec3_uniform(float a)
449{
450 pnanovdb_vec3_t v;
451 v.x = a;
452 v.y = a;
453 v.z = a;
454 return v;
455}
456PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_vec3_add(const pnanovdb_vec3_t a, const pnanovdb_vec3_t b)
457{
458 pnanovdb_vec3_t v;
459 v.x = a.x + b.x;
460 v.y = a.y + b.y;
461 v.z = a.z + b.z;
462 return v;
463}
464PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_vec3_sub(const pnanovdb_vec3_t a, const pnanovdb_vec3_t b)
465{
466 pnanovdb_vec3_t v;
467 v.x = a.x - b.x;
468 v.y = a.y - b.y;
469 v.z = a.z - b.z;
470 return v;
471}
472PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_vec3_mul(const pnanovdb_vec3_t a, const pnanovdb_vec3_t b)
473{
474 pnanovdb_vec3_t v;
475 v.x = a.x * b.x;
476 v.y = a.y * b.y;
477 v.z = a.z * b.z;
478 return v;
479}
480PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_vec3_div(const pnanovdb_vec3_t a, const pnanovdb_vec3_t b)
481{
482 pnanovdb_vec3_t v;
483 v.x = a.x / b.x;
484 v.y = a.y / b.y;
485 v.z = a.z / b.z;
486 return v;
487}
488PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_vec3_min(const pnanovdb_vec3_t a, const pnanovdb_vec3_t b)
489{
490 pnanovdb_vec3_t v;
491 v.x = a.x < b.x ? a.x : b.x;
492 v.y = a.y < b.y ? a.y : b.y;
493 v.z = a.z < b.z ? a.z : b.z;
494 return v;
495}
496PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_vec3_max(const pnanovdb_vec3_t a, const pnanovdb_vec3_t b)
497{
498 pnanovdb_vec3_t v;
499 v.x = a.x > b.x ? a.x : b.x;
500 v.y = a.y > b.y ? a.y : b.y;
501 v.z = a.z > b.z ? a.z : b.z;
502 return v;
503}
504PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_coord_to_vec3(const pnanovdb_coord_t coord)
505{
506 pnanovdb_vec3_t v;
507 v.x = pnanovdb_int32_to_float(coord.x);
508 v.y = pnanovdb_int32_to_float(coord.y);
509 v.z = pnanovdb_int32_to_float(coord.z);
510 return v;
511}
512PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_coord_uniform(const pnanovdb_int32_t a)
513{
514 pnanovdb_coord_t v;
515 v.x = a;
516 v.y = a;
517 v.z = a;
518 return v;
519}
520PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_coord_add(pnanovdb_coord_t a, pnanovdb_coord_t b)
521{
522 pnanovdb_coord_t v;
523 v.x = a.x + b.x;
524 v.y = a.y + b.y;
525 v.z = a.z + b.z;
526 return v;
527}
528#elif defined(PNANOVDB_HLSL)
529pnanovdb_vec3_t pnanovdb_vec3_uniform(float a) { return float3(a, a, a); }
530pnanovdb_vec3_t pnanovdb_vec3_add(pnanovdb_vec3_t a, pnanovdb_vec3_t b) { return a + b; }
531pnanovdb_vec3_t pnanovdb_vec3_sub(pnanovdb_vec3_t a, pnanovdb_vec3_t b) { return a - b; }
532pnanovdb_vec3_t pnanovdb_vec3_mul(pnanovdb_vec3_t a, pnanovdb_vec3_t b) { return a * b; }
533pnanovdb_vec3_t pnanovdb_vec3_div(pnanovdb_vec3_t a, pnanovdb_vec3_t b) { return a / b; }
534pnanovdb_vec3_t pnanovdb_vec3_min(pnanovdb_vec3_t a, pnanovdb_vec3_t b) { return min(a, b); }
535pnanovdb_vec3_t pnanovdb_vec3_max(pnanovdb_vec3_t a, pnanovdb_vec3_t b) { return max(a, b); }
536pnanovdb_vec3_t pnanovdb_coord_to_vec3(pnanovdb_coord_t coord) { return float3(coord); }
537pnanovdb_coord_t pnanovdb_coord_uniform(pnanovdb_int32_t a) { return int3(a, a, a); }
538pnanovdb_coord_t pnanovdb_coord_add(pnanovdb_coord_t a, pnanovdb_coord_t b) { return a + b; }
539#elif defined(PNANOVDB_GLSL)
540pnanovdb_vec3_t pnanovdb_vec3_uniform(float a) { return vec3(a, a, a); }
541pnanovdb_vec3_t pnanovdb_vec3_add(pnanovdb_vec3_t a, pnanovdb_vec3_t b) { return a + b; }
542pnanovdb_vec3_t pnanovdb_vec3_sub(pnanovdb_vec3_t a, pnanovdb_vec3_t b) { return a - b; }
543pnanovdb_vec3_t pnanovdb_vec3_mul(pnanovdb_vec3_t a, pnanovdb_vec3_t b) { return a * b; }
544pnanovdb_vec3_t pnanovdb_vec3_div(pnanovdb_vec3_t a, pnanovdb_vec3_t b) { return a / b; }
545pnanovdb_vec3_t pnanovdb_vec3_min(pnanovdb_vec3_t a, pnanovdb_vec3_t b) { return min(a, b); }
546pnanovdb_vec3_t pnanovdb_vec3_max(pnanovdb_vec3_t a, pnanovdb_vec3_t b) { return max(a, b); }
547pnanovdb_vec3_t pnanovdb_coord_to_vec3(const pnanovdb_coord_t coord) { return vec3(coord); }
548pnanovdb_coord_t pnanovdb_coord_uniform(pnanovdb_int32_t a) { return ivec3(a, a, a); }
549pnanovdb_coord_t pnanovdb_coord_add(pnanovdb_coord_t a, pnanovdb_coord_t b) { return a + b; }
550#endif
551
552// ------------------------------------------------ Uint64 Utils -----------------------------------------------------------
553
554PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_uint32_countbits(pnanovdb_uint32_t value)
555{
556#if defined(PNANOVDB_C)
557#if defined(_MSC_VER) && (_MSC_VER >= 1928) && defined(PNANOVDB_USE_INTRINSICS)
558 return __popcnt(value);
559#elif (defined(__GNUC__) || defined(__clang__)) && defined(PNANOVDB_USE_INTRINSICS)
560 return __builtin_popcount(value);
561#else
562 value = value - ((value >> 1) & 0x55555555);
563 value = (value & 0x33333333) + ((value >> 2) & 0x33333333);
564 value = (value + (value >> 4)) & 0x0F0F0F0F;
565 return (value * 0x01010101) >> 24;
566#endif
567#elif defined(PNANOVDB_HLSL)
568 return countbits(value);
569#elif defined(PNANOVDB_GLSL)
570 return bitCount(value);
571#endif
572}
573
574PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_uint64_countbits(pnanovdb_uint64_t value)
575{
576 return pnanovdb_uint32_countbits(pnanovdb_uint64_low(value)) + pnanovdb_uint32_countbits(pnanovdb_uint64_high(value));
577}
578
579#if defined(PNANOVDB_ADDRESS_32)
580PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_uint64_offset(pnanovdb_uint64_t a, pnanovdb_uint32_t b)
581{
582 pnanovdb_uint32_t low = pnanovdb_uint64_low(a);
583 pnanovdb_uint32_t high = pnanovdb_uint64_high(a);
584 low += b;
585 if (low < b)
586 {
587 high += 1u;
588 }
589 return pnanovdb_uint32_as_uint64(low, high);
590}
591
592PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_uint64_dec(pnanovdb_uint64_t a)
593{
594 pnanovdb_uint32_t low = pnanovdb_uint64_low(a);
595 pnanovdb_uint32_t high = pnanovdb_uint64_high(a);
596 if (low == 0u)
597 {
598 high -= 1u;
599 }
600 low -= 1u;
601 return pnanovdb_uint32_as_uint64(low, high);
602}
603
604PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_uint64_to_uint32_lsr(pnanovdb_uint64_t a, pnanovdb_uint32_t b)
605{
606 pnanovdb_uint32_t low = pnanovdb_uint64_low(a);
607 pnanovdb_uint32_t high = pnanovdb_uint64_high(a);
608 return (b >= 32u) ?
609 (high >> (b - 32)) :
610 ((low >> b) | ((b > 0) ? (high << (32u - b)) : 0u));
611}
612
613PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_uint64_bit_mask(pnanovdb_uint32_t bit_idx)
614{
615 pnanovdb_uint32_t mask_low = bit_idx < 32u ? 1u << bit_idx : 0u;
616 pnanovdb_uint32_t mask_high = bit_idx >= 32u ? 1u << (bit_idx - 32u) : 0u;
617 return pnanovdb_uint32_as_uint64(mask_low, mask_high);
618}
619
620PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_uint64_and(pnanovdb_uint64_t a, pnanovdb_uint64_t b)
621{
622 return pnanovdb_uint32_as_uint64(
623 pnanovdb_uint64_low(a) & pnanovdb_uint64_low(b),
624 pnanovdb_uint64_high(a) & pnanovdb_uint64_high(b)
625 );
626}
627
628PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_uint64_any_bit(pnanovdb_uint64_t a)
629{
630 return pnanovdb_uint64_low(a) != 0u || pnanovdb_uint64_high(a) != 0u;
631}
632
633#else
634PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_uint64_offset(pnanovdb_uint64_t a, pnanovdb_uint32_t b)
635{
636 return a + b;
637}
638
639PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_uint64_dec(pnanovdb_uint64_t a)
640{
641 return a - 1u;
642}
643
644PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_uint64_to_uint32_lsr(pnanovdb_uint64_t a, pnanovdb_uint32_t b)
645{
646 return pnanovdb_uint64_low(a >> b);
647}
648
649PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_uint64_bit_mask(pnanovdb_uint32_t bit_idx)
650{
651 return 1llu << bit_idx;
652}
653
654PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_uint64_and(pnanovdb_uint64_t a, pnanovdb_uint64_t b)
655{
656 return a & b;
657}
658
659PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_uint64_any_bit(pnanovdb_uint64_t a)
660{
661 return a != 0llu;
662}
663#endif
664
665// ------------------------------------------------ Address Type -----------------------------------------------------------
666
667#if defined(PNANOVDB_ADDRESS_32)
668 struct pnanovdb_address_t
669{
670 pnanovdb_uint32_t byte_offset;
671};
672PNANOVDB_STRUCT_TYPEDEF(pnanovdb_address_t)
673
674PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_address_offset(pnanovdb_address_t address, pnanovdb_uint32_t byte_offset)
675{
676 pnanovdb_address_t ret = address;
677 ret.byte_offset += byte_offset;
678 return ret;
679}
680PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_address_offset_neg(pnanovdb_address_t address, pnanovdb_uint32_t byte_offset)
681{
682 pnanovdb_address_t ret = address;
683 ret.byte_offset -= byte_offset;
684 return ret;
685}
686PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_address_offset_product(pnanovdb_address_t address, pnanovdb_uint32_t byte_offset, pnanovdb_uint32_t multiplier)
687{
688 pnanovdb_address_t ret = address;
689 ret.byte_offset += byte_offset * multiplier;
690 return ret;
691}
692PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_address_offset64(pnanovdb_address_t address, pnanovdb_uint64_t byte_offset)
693{
694 pnanovdb_address_t ret = address;
695 // lose high bits on 32-bit
696 ret.byte_offset += pnanovdb_uint64_low(byte_offset);
697 return ret;
698}
699PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_address_offset64_product(pnanovdb_address_t address, pnanovdb_uint64_t byte_offset, pnanovdb_uint32_t multiplier)
700{
701 pnanovdb_address_t ret = address;
702 ret.byte_offset += pnanovdb_uint64_low(byte_offset) * multiplier;
703 return ret;
704}
705PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_address_mask(pnanovdb_address_t address, pnanovdb_uint32_t mask)
706{
707 return address.byte_offset & mask;
708}
709PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_address_mask_inv(pnanovdb_address_t address, pnanovdb_uint32_t mask)
710{
711 pnanovdb_address_t ret = address;
712 ret.byte_offset &= (~mask);
713 return ret;
714}
715PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_address_null()
716{
717 pnanovdb_address_t ret = { 0 };
718 return ret;
719}
720PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_address_is_null(pnanovdb_address_t address)
721{
722 return address.byte_offset == 0u;
723}
724PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_address_in_interval(pnanovdb_address_t address, pnanovdb_address_t min_address, pnanovdb_address_t max_address)
725{
726 return address.byte_offset >= min_address.byte_offset && address.byte_offset < max_address.byte_offset;
727}
728#elif defined(PNANOVDB_ADDRESS_64)
729 struct pnanovdb_address_t
730{
731 pnanovdb_uint64_t byte_offset;
732};
733PNANOVDB_STRUCT_TYPEDEF(pnanovdb_address_t)
734
735PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_address_offset(pnanovdb_address_t address, pnanovdb_uint32_t byte_offset)
736{
737 pnanovdb_address_t ret = address;
738 ret.byte_offset += byte_offset;
739 return ret;
740}
741PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_address_offset_neg(pnanovdb_address_t address, pnanovdb_uint32_t byte_offset)
742{
743 pnanovdb_address_t ret = address;
744 ret.byte_offset -= byte_offset;
745 return ret;
746}
747PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_address_offset_product(pnanovdb_address_t address, pnanovdb_uint32_t byte_offset, pnanovdb_uint32_t multiplier)
748{
749 pnanovdb_address_t ret = address;
750 ret.byte_offset += pnanovdb_uint32_as_uint64_low(byte_offset) * pnanovdb_uint32_as_uint64_low(multiplier);
751 return ret;
752}
753PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_address_offset64(pnanovdb_address_t address, pnanovdb_uint64_t byte_offset)
754{
755 pnanovdb_address_t ret = address;
756 ret.byte_offset += byte_offset;
757 return ret;
758}
759PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_address_offset64_product(pnanovdb_address_t address, pnanovdb_uint64_t byte_offset, pnanovdb_uint32_t multiplier)
760{
761 pnanovdb_address_t ret = address;
762 ret.byte_offset += byte_offset * pnanovdb_uint32_as_uint64_low(multiplier);
763 return ret;
764}
765PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_address_mask(pnanovdb_address_t address, pnanovdb_uint32_t mask)
766{
767 return pnanovdb_uint64_low(address.byte_offset) & mask;
768}
769PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_address_mask_inv(pnanovdb_address_t address, pnanovdb_uint32_t mask)
770{
771 pnanovdb_address_t ret = address;
772 ret.byte_offset &= (~pnanovdb_uint32_as_uint64_low(mask));
773 return ret;
774}
775PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_address_null()
776{
777 pnanovdb_address_t ret = { 0 };
778 return ret;
779}
780PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_address_is_null(pnanovdb_address_t address)
781{
782 return address.byte_offset == 0llu;
783}
784PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_address_in_interval(pnanovdb_address_t address, pnanovdb_address_t min_address, pnanovdb_address_t max_address)
785{
786 return address.byte_offset >= min_address.byte_offset && address.byte_offset < max_address.byte_offset;
787}
788#endif
789
790// ------------------------------------------------ High Level Buffer Read -----------------------------------------------------------
791
792PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_read_uint32(pnanovdb_buf_t buf, pnanovdb_address_t address)
793{
794 return pnanovdb_buf_read_uint32(buf, address.byte_offset);
795}
796PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_read_uint64(pnanovdb_buf_t buf, pnanovdb_address_t address)
797{
798 return pnanovdb_buf_read_uint64(buf, address.byte_offset);
799}
800PNANOVDB_FORCE_INLINE pnanovdb_int32_t pnanovdb_read_int32(pnanovdb_buf_t buf, pnanovdb_address_t address)
801{
802 return pnanovdb_uint32_as_int32(pnanovdb_read_uint32(buf, address));
803}
804PNANOVDB_FORCE_INLINE float pnanovdb_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address)
805{
806 return pnanovdb_uint32_as_float(pnanovdb_read_uint32(buf, address));
807}
808PNANOVDB_FORCE_INLINE pnanovdb_int64_t pnanovdb_read_int64(pnanovdb_buf_t buf, pnanovdb_address_t address)
809{
810 return pnanovdb_uint64_as_int64(pnanovdb_read_uint64(buf, address));
811}
812PNANOVDB_FORCE_INLINE double pnanovdb_read_double(pnanovdb_buf_t buf, pnanovdb_address_t address)
813{
814 return pnanovdb_uint64_as_double(pnanovdb_read_uint64(buf, address));
815}
816PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_read_coord(pnanovdb_buf_t buf, pnanovdb_address_t address)
817{
818 pnanovdb_coord_t ret;
819 ret.x = pnanovdb_uint32_as_int32(pnanovdb_read_uint32(buf, pnanovdb_address_offset(address, 0u)));
820 ret.y = pnanovdb_uint32_as_int32(pnanovdb_read_uint32(buf, pnanovdb_address_offset(address, 4u)));
821 ret.z = pnanovdb_uint32_as_int32(pnanovdb_read_uint32(buf, pnanovdb_address_offset(address, 8u)));
822 return ret;
823}
824PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_read_vec3(pnanovdb_buf_t buf, pnanovdb_address_t address)
825{
826 pnanovdb_vec3_t ret;
827 ret.x = pnanovdb_read_float(buf, pnanovdb_address_offset(address, 0u));
828 ret.y = pnanovdb_read_float(buf, pnanovdb_address_offset(address, 4u));
829 ret.z = pnanovdb_read_float(buf, pnanovdb_address_offset(address, 8u));
830 return ret;
831}
832
833PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_read_uint16(pnanovdb_buf_t buf, pnanovdb_address_t address)
834{
835 pnanovdb_uint32_t raw = pnanovdb_read_uint32(buf, pnanovdb_address_mask_inv(address, 3u));
836 return (raw >> (pnanovdb_address_mask(address, 2) << 3));
837}
838PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_read_uint8(pnanovdb_buf_t buf, pnanovdb_address_t address)
839{
840 pnanovdb_uint32_t raw = pnanovdb_read_uint32(buf, pnanovdb_address_mask_inv(address, 3u));
841 return (raw >> (pnanovdb_address_mask(address, 3) << 3)) & 255;
842}
843PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_read_vec3u16(pnanovdb_buf_t buf, pnanovdb_address_t address)
844{
845 pnanovdb_vec3_t ret;
846 const float scale = 1.f / 65535.f;
847 ret.x = scale * pnanovdb_uint32_to_float(pnanovdb_read_uint16(buf, pnanovdb_address_offset(address, 0u))) - 0.5f;
848 ret.y = scale * pnanovdb_uint32_to_float(pnanovdb_read_uint16(buf, pnanovdb_address_offset(address, 2u))) - 0.5f;
849 ret.z = scale * pnanovdb_uint32_to_float(pnanovdb_read_uint16(buf, pnanovdb_address_offset(address, 4u))) - 0.5f;
850 return ret;
851}
852PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_read_vec3u8(pnanovdb_buf_t buf, pnanovdb_address_t address)
853{
854 pnanovdb_vec3_t ret;
855 const float scale = 1.f / 255.f;
856 ret.x = scale * pnanovdb_uint32_to_float(pnanovdb_read_uint8(buf, pnanovdb_address_offset(address, 0u))) - 0.5f;
857 ret.y = scale * pnanovdb_uint32_to_float(pnanovdb_read_uint8(buf, pnanovdb_address_offset(address, 1u))) - 0.5f;
858 ret.z = scale * pnanovdb_uint32_to_float(pnanovdb_read_uint8(buf, pnanovdb_address_offset(address, 2u))) - 0.5f;
859 return ret;
860}
861
862PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_read_bit(pnanovdb_buf_t buf, pnanovdb_address_t address, pnanovdb_uint32_t bit_offset)
863{
864 pnanovdb_address_t word_address = pnanovdb_address_mask_inv(address, 3u);
865 pnanovdb_uint32_t bit_index = (pnanovdb_address_mask(address, 3u) << 3u) + bit_offset;
866 pnanovdb_uint32_t value_word = pnanovdb_buf_read_uint32(buf, word_address.byte_offset);
867 return ((value_word >> bit_index) & 1) != 0u;
868}
869
870#if defined(PNANOVDB_C)
871PNANOVDB_FORCE_INLINE short pnanovdb_read_half(pnanovdb_buf_t buf, pnanovdb_address_t address)
872{
873 pnanovdb_uint32_t raw = pnanovdb_read_uint32(buf, address);
874 return (short)(raw >> (pnanovdb_address_mask(address, 2) << 3));
875}
876#elif defined(PNANOVDB_HLSL)
877PNANOVDB_FORCE_INLINE float pnanovdb_read_half(pnanovdb_buf_t buf, pnanovdb_address_t address)
878{
879 pnanovdb_uint32_t raw = pnanovdb_read_uint32(buf, address);
880 return f16tof32(raw >> (pnanovdb_address_mask(address, 2) << 3));
881}
882#elif defined(PNANOVDB_GLSL)
883PNANOVDB_FORCE_INLINE float pnanovdb_read_half(pnanovdb_buf_t buf, pnanovdb_address_t address)
884{
885 pnanovdb_uint32_t raw = pnanovdb_read_uint32(buf, address);
886 return unpackHalf2x16(raw >> (pnanovdb_address_mask(address, 2) << 3)).x;
887}
888#endif
889
890// ------------------------------------------------ High Level Buffer Write -----------------------------------------------------------
891
892PNANOVDB_FORCE_INLINE void pnanovdb_write_uint32(pnanovdb_buf_t buf, pnanovdb_address_t address, pnanovdb_uint32_t value)
893{
894 pnanovdb_buf_write_uint32(buf, address.byte_offset, value);
895}
896PNANOVDB_FORCE_INLINE void pnanovdb_write_uint64(pnanovdb_buf_t buf, pnanovdb_address_t address, pnanovdb_uint64_t value)
897{
898 pnanovdb_buf_write_uint64(buf, address.byte_offset, value);
899}
900PNANOVDB_FORCE_INLINE void pnanovdb_write_int32(pnanovdb_buf_t buf, pnanovdb_address_t address, pnanovdb_int32_t value)
901{
902 pnanovdb_write_uint32(buf, address, pnanovdb_int32_as_uint32(value));
903}
904PNANOVDB_FORCE_INLINE void pnanovdb_write_int64(pnanovdb_buf_t buf, pnanovdb_address_t address, pnanovdb_int64_t value)
905{
906 pnanovdb_buf_write_uint64(buf, address.byte_offset, pnanovdb_int64_as_uint64(value));
907}
908PNANOVDB_FORCE_INLINE void pnanovdb_write_float(pnanovdb_buf_t buf, pnanovdb_address_t address, float value)
909{
910 pnanovdb_write_uint32(buf, address, pnanovdb_float_as_uint32(value));
911}
912PNANOVDB_FORCE_INLINE void pnanovdb_write_double(pnanovdb_buf_t buf, pnanovdb_address_t address, double value)
913{
914 pnanovdb_write_uint64(buf, address, pnanovdb_double_as_uint64(value));
915}
916PNANOVDB_FORCE_INLINE void pnanovdb_write_coord(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) value)
917{
918 pnanovdb_write_uint32(buf, pnanovdb_address_offset(address, 0u), pnanovdb_int32_as_uint32(PNANOVDB_DEREF(value).x));
919 pnanovdb_write_uint32(buf, pnanovdb_address_offset(address, 4u), pnanovdb_int32_as_uint32(PNANOVDB_DEREF(value).y));
920 pnanovdb_write_uint32(buf, pnanovdb_address_offset(address, 8u), pnanovdb_int32_as_uint32(PNANOVDB_DEREF(value).z));
921}
922PNANOVDB_FORCE_INLINE void pnanovdb_write_vec3(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_vec3_t) value)
923{
924 pnanovdb_write_float(buf, pnanovdb_address_offset(address, 0u), PNANOVDB_DEREF(value).x);
925 pnanovdb_write_float(buf, pnanovdb_address_offset(address, 4u), PNANOVDB_DEREF(value).y);
926 pnanovdb_write_float(buf, pnanovdb_address_offset(address, 8u), PNANOVDB_DEREF(value).z);
927}
928
929// ------------------------------------------------ Core Structures -----------------------------------------------------------
930
931#define PNANOVDB_MAGIC_NUMBER 0x304244566f6e614eUL// "NanoVDB0" in hex - little endian (uint64_t)
932#define PNANOVDB_MAGIC_GRID 0x314244566f6e614eUL// "NanoVDB1" in hex - little endian (uint64_t)
933#define PNANOVDB_MAGIC_FILE 0x324244566f6e614eUL// "NanoVDB2" in hex - little endian (uint64_t)
934
935#define PNANOVDB_MAJOR_VERSION_NUMBER 32// reflects changes to the ABI
936#define PNANOVDB_MINOR_VERSION_NUMBER 8// reflects changes to the API but not ABI
937#define PNANOVDB_PATCH_VERSION_NUMBER 0// reflects bug-fixes with no ABI or API changes
938
939#define PNANOVDB_GRID_TYPE_UNKNOWN 0
940#define PNANOVDB_GRID_TYPE_FLOAT 1
941#define PNANOVDB_GRID_TYPE_DOUBLE 2
942#define PNANOVDB_GRID_TYPE_INT16 3
943#define PNANOVDB_GRID_TYPE_INT32 4
944#define PNANOVDB_GRID_TYPE_INT64 5
945#define PNANOVDB_GRID_TYPE_VEC3F 6
946#define PNANOVDB_GRID_TYPE_VEC3D 7
947#define PNANOVDB_GRID_TYPE_MASK 8
948#define PNANOVDB_GRID_TYPE_HALF 9
949#define PNANOVDB_GRID_TYPE_UINT32 10
950#define PNANOVDB_GRID_TYPE_BOOLEAN 11
951#define PNANOVDB_GRID_TYPE_RGBA8 12
952#define PNANOVDB_GRID_TYPE_FP4 13
953#define PNANOVDB_GRID_TYPE_FP8 14
954#define PNANOVDB_GRID_TYPE_FP16 15
955#define PNANOVDB_GRID_TYPE_FPN 16
956#define PNANOVDB_GRID_TYPE_VEC4F 17
957#define PNANOVDB_GRID_TYPE_VEC4D 18
958#define PNANOVDB_GRID_TYPE_INDEX 19
959#define PNANOVDB_GRID_TYPE_ONINDEX 20
960#define PNANOVDB_GRID_TYPE_INDEXMASK 21
961#define PNANOVDB_GRID_TYPE_ONINDEXMASK 22
962#define PNANOVDB_GRID_TYPE_POINTINDEX 23
963#define PNANOVDB_GRID_TYPE_VEC3U8 24
964#define PNANOVDB_GRID_TYPE_VEC3U16 25
965#define PNANOVDB_GRID_TYPE_UINT8 26
966#define PNANOVDB_GRID_TYPE_END 27
967
968#define PNANOVDB_GRID_CLASS_UNKNOWN 0
969#define PNANOVDB_GRID_CLASS_LEVEL_SET 1 // narrow band level set, e.g. SDF
970#define PNANOVDB_GRID_CLASS_FOG_VOLUME 2 // fog volume, e.g. density
971#define PNANOVDB_GRID_CLASS_STAGGERED 3 // staggered MAC grid, e.g. velocity
972#define PNANOVDB_GRID_CLASS_POINT_INDEX 4 // point index grid
973#define PNANOVDB_GRID_CLASS_POINT_DATA 5 // point data grid
974#define PNANOVDB_GRID_CLASS_TOPOLOGY 6 // grid with active states only (no values)
975#define PNANOVDB_GRID_CLASS_VOXEL_VOLUME 7 // volume of geometric cubes, e.g. minecraft
976#define PNANOVDB_GRID_CLASS_INDEX_GRID 8 // grid whose values are offsets, e.g. into an external array
977#define PNANOVDB_GRID_CLASS_TENSOR_GRID 9 // grid which can have extra metadata and features
978#define PNANOVDB_GRID_CLASS_END 10
979
980#define PNANOVDB_GRID_FLAGS_HAS_LONG_GRID_NAME (1 << 0)
981#define PNANOVDB_GRID_FLAGS_HAS_BBOX (1 << 1)
982#define PNANOVDB_GRID_FLAGS_HAS_MIN_MAX (1 << 2)
983#define PNANOVDB_GRID_FLAGS_HAS_AVERAGE (1 << 3)
984#define PNANOVDB_GRID_FLAGS_HAS_STD_DEVIATION (1 << 4)
985#define PNANOVDB_GRID_FLAGS_IS_BREADTH_FIRST (1 << 5)
986#define PNANOVDB_GRID_FLAGS_END (1 << 6)
987
988#define PNANOVDB_LEAF_TYPE_DEFAULT 0
989#define PNANOVDB_LEAF_TYPE_LITE 1
990#define PNANOVDB_LEAF_TYPE_FP 2
991#define PNANOVDB_LEAF_TYPE_INDEX 3
992#define PNANOVDB_LEAF_TYPE_INDEXMASK 4
993#define PNANOVDB_LEAF_TYPE_POINTINDEX 5
994
995// BuildType = Unknown, float, double, int16_t, int32_t, int64_t, Vec3f, Vec3d, Mask, ...
996// bit count of values in leaf nodes, i.e. 8*sizeof(*nanovdb::LeafNode<BuildType>::mValues) or zero if no values are stored
997PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_value_strides_bits[PNANOVDB_GRID_TYPE_END] = { 0, 32, 64, 16, 32, 64, 96, 192, 0, 16, 32, 1, 32, 4, 8, 16, 0, 128, 256, 0, 0, 0, 0, 16, 24, 48, 8 };
998// bit count of the Tile union in InternalNodes, i.e. 8*sizeof(nanovdb::InternalData::Tile)
999PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_table_strides_bits[PNANOVDB_GRID_TYPE_END] = { 64, 64, 64, 64, 64, 64, 128, 192, 64, 64, 64, 64, 64, 64, 64, 64, 64, 128, 256, 64, 64, 64, 64, 64, 64, 64, 64 };
1000// bit count of min/max values, i.e. 8*sizeof(nanovdb::LeafData::mMinimum) or zero if no min/max exists
1001PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_minmax_strides_bits[PNANOVDB_GRID_TYPE_END] = { 0, 32, 64, 16, 32, 64, 96, 192, 8, 16, 32, 8, 32, 32, 32, 32, 32, 128, 256, 64, 64, 64, 64, 64, 24, 48, 8 };
1002// bit alignment of the value type, controlled by the smallest native type, which is why it is always 0, 8, 16, 32, or 64, e.g. for Vec3f it is 32
1003PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_minmax_aligns_bits[PNANOVDB_GRID_TYPE_END] = { 0, 32, 64, 16, 32, 64, 32, 64, 8, 16, 32, 8, 32, 32, 32, 32, 32, 32, 64, 64, 64, 64, 64, 64, 8, 16, 8 };
1004// bit alignment of the stats (avg/std-dev) types, e.g. 8*sizeof(nanovdb::LeafData::mAverage)
1005PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_stat_strides_bits[PNANOVDB_GRID_TYPE_END] = { 0, 32, 64, 32, 32, 64, 32, 64, 8, 32, 32, 8, 32, 32, 32, 32, 32, 32, 64, 64, 64, 64, 64, 64, 32, 32, 32 };
1006// one of the 4 leaf types defined above, e.g. PNANOVDB_LEAF_TYPE_INDEX = 3
1007PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_leaf_type[PNANOVDB_GRID_TYPE_END] = { 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 2, 2, 2, 2, 0, 0, 3, 3, 4, 4, 5, 0, 0, 0 };
1008
1009 struct pnanovdb_map_t
1010{
1011 float matf[9];
1012 float invmatf[9];
1013 float vecf[3];
1014 float taperf;
1015 double matd[9];
1016 double invmatd[9];
1017 double vecd[3];
1018 double taperd;
1019};
1020PNANOVDB_STRUCT_TYPEDEF(pnanovdb_map_t)
1021struct pnanovdb_map_handle_t { pnanovdb_address_t address; };
1022PNANOVDB_STRUCT_TYPEDEF(pnanovdb_map_handle_t)
1023
1024#define PNANOVDB_MAP_SIZE 264
1025
1026#define PNANOVDB_MAP_OFF_MATF 0
1027#define PNANOVDB_MAP_OFF_INVMATF 36
1028#define PNANOVDB_MAP_OFF_VECF 72
1029#define PNANOVDB_MAP_OFF_TAPERF 84
1030#define PNANOVDB_MAP_OFF_MATD 88
1031#define PNANOVDB_MAP_OFF_INVMATD 160
1032#define PNANOVDB_MAP_OFF_VECD 232
1033#define PNANOVDB_MAP_OFF_TAPERD 256
1034
1035PNANOVDB_FORCE_INLINE float pnanovdb_map_get_matf(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index) {
1036 return pnanovdb_read_float(buf, pnanovdb_address_offset(p.address, PNANOVDB_MAP_OFF_MATF + 4u * index));
1037}
1038PNANOVDB_FORCE_INLINE float pnanovdb_map_get_invmatf(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index) {
1039 return pnanovdb_read_float(buf, pnanovdb_address_offset(p.address, PNANOVDB_MAP_OFF_INVMATF + 4u * index));
1040}
1041PNANOVDB_FORCE_INLINE float pnanovdb_map_get_vecf(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index) {
1042 return pnanovdb_read_float(buf, pnanovdb_address_offset(p.address, PNANOVDB_MAP_OFF_VECF + 4u * index));
1043}
1044PNANOVDB_FORCE_INLINE float pnanovdb_map_get_taperf(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index) {
1045 return pnanovdb_read_float(buf, pnanovdb_address_offset(p.address, PNANOVDB_MAP_OFF_TAPERF));
1046}
1047PNANOVDB_FORCE_INLINE double pnanovdb_map_get_matd(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index) {
1048 return pnanovdb_read_double(buf, pnanovdb_address_offset(p.address, PNANOVDB_MAP_OFF_MATD + 8u * index));
1049}
1050PNANOVDB_FORCE_INLINE double pnanovdb_map_get_invmatd(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index) {
1051 return pnanovdb_read_double(buf, pnanovdb_address_offset(p.address, PNANOVDB_MAP_OFF_INVMATD + 8u * index));
1052}
1053PNANOVDB_FORCE_INLINE double pnanovdb_map_get_vecd(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index) {
1054 return pnanovdb_read_double(buf, pnanovdb_address_offset(p.address, PNANOVDB_MAP_OFF_VECD + 8u * index));
1055}
1056PNANOVDB_FORCE_INLINE double pnanovdb_map_get_taperd(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index) {
1057 return pnanovdb_read_double(buf, pnanovdb_address_offset(p.address, PNANOVDB_MAP_OFF_TAPERD));
1058}
1059
1060PNANOVDB_FORCE_INLINE void pnanovdb_map_set_matf(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index, float matf) {
1061 pnanovdb_write_float(buf, pnanovdb_address_offset(p.address, PNANOVDB_MAP_OFF_MATF + 4u * index), matf);
1062}
1063PNANOVDB_FORCE_INLINE void pnanovdb_map_set_invmatf(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index, float invmatf) {
1064 pnanovdb_write_float(buf, pnanovdb_address_offset(p.address, PNANOVDB_MAP_OFF_INVMATF + 4u * index), invmatf);
1065}
1066PNANOVDB_FORCE_INLINE void pnanovdb_map_set_vecf(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index, float vecf) {
1067 pnanovdb_write_float(buf, pnanovdb_address_offset(p.address, PNANOVDB_MAP_OFF_VECF + 4u * index), vecf);
1068}
1069PNANOVDB_FORCE_INLINE void pnanovdb_map_set_taperf(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index, float taperf) {
1070 pnanovdb_write_float(buf, pnanovdb_address_offset(p.address, PNANOVDB_MAP_OFF_TAPERF), taperf);
1071}
1072PNANOVDB_FORCE_INLINE void pnanovdb_map_set_matd(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index, double matd) {
1073 pnanovdb_write_double(buf, pnanovdb_address_offset(p.address, PNANOVDB_MAP_OFF_MATD + 8u * index), matd);
1074}
1075PNANOVDB_FORCE_INLINE void pnanovdb_map_set_invmatd(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index, double invmatd) {
1076 pnanovdb_write_double(buf, pnanovdb_address_offset(p.address, PNANOVDB_MAP_OFF_INVMATD + 8u * index), invmatd);
1077}
1078PNANOVDB_FORCE_INLINE void pnanovdb_map_set_vecd(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index, double vecd) {
1079 pnanovdb_write_double(buf, pnanovdb_address_offset(p.address, PNANOVDB_MAP_OFF_VECD + 8u * index), vecd);
1080}
1081PNANOVDB_FORCE_INLINE void pnanovdb_map_set_taperd(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index, double taperd) {
1082 pnanovdb_write_double(buf, pnanovdb_address_offset(p.address, PNANOVDB_MAP_OFF_TAPERD), taperd);
1083}
1084
1085 struct pnanovdb_grid_t
1086{
1087 pnanovdb_uint64_t magic; // 8 bytes, 0
1088 pnanovdb_uint64_t checksum; // 8 bytes, 8
1089 pnanovdb_uint32_t version; // 4 bytes, 16
1090 pnanovdb_uint32_t flags; // 4 bytes, 20
1091 pnanovdb_uint32_t grid_index; // 4 bytes, 24
1092 pnanovdb_uint32_t grid_count; // 4 bytes, 28
1093 pnanovdb_uint64_t grid_size; // 8 bytes, 32
1094 pnanovdb_uint32_t grid_name[256 / 4]; // 256 bytes, 40
1095 pnanovdb_map_t map; // 264 bytes, 296
1096 double world_bbox[6]; // 48 bytes, 560
1097 double voxel_size[3]; // 24 bytes, 608
1098 pnanovdb_uint32_t grid_class; // 4 bytes, 632
1099 pnanovdb_uint32_t grid_type; // 4 bytes, 636
1100 pnanovdb_int64_t blind_metadata_offset; // 8 bytes, 640
1101 pnanovdb_uint32_t blind_metadata_count; // 4 bytes, 648
1102 pnanovdb_uint32_t pad[5]; // 20 bytes, 652
1103};
1104PNANOVDB_STRUCT_TYPEDEF(pnanovdb_grid_t)
1105struct pnanovdb_grid_handle_t { pnanovdb_address_t address; };
1106PNANOVDB_STRUCT_TYPEDEF(pnanovdb_grid_handle_t)
1107
1108#define PNANOVDB_GRID_SIZE 672
1109
1110#define PNANOVDB_GRID_OFF_MAGIC 0
1111#define PNANOVDB_GRID_OFF_CHECKSUM 8
1112#define PNANOVDB_GRID_OFF_VERSION 16
1113#define PNANOVDB_GRID_OFF_FLAGS 20
1114#define PNANOVDB_GRID_OFF_GRID_INDEX 24
1115#define PNANOVDB_GRID_OFF_GRID_COUNT 28
1116#define PNANOVDB_GRID_OFF_GRID_SIZE 32
1117#define PNANOVDB_GRID_OFF_GRID_NAME 40
1118#define PNANOVDB_GRID_OFF_MAP 296
1119#define PNANOVDB_GRID_OFF_WORLD_BBOX 560
1120#define PNANOVDB_GRID_OFF_VOXEL_SIZE 608
1121#define PNANOVDB_GRID_OFF_GRID_CLASS 632
1122#define PNANOVDB_GRID_OFF_GRID_TYPE 636
1123#define PNANOVDB_GRID_OFF_BLIND_METADATA_OFFSET 640
1124#define PNANOVDB_GRID_OFF_BLIND_METADATA_COUNT 648
1125
1126PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_grid_get_magic(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p) {
1127 return pnanovdb_read_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_MAGIC));
1128}
1129PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_grid_get_checksum(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p) {
1130 return pnanovdb_read_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_CHECKSUM));
1131}
1132PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_grid_get_version(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p) {
1133 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_VERSION));
1134}
1135PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_grid_get_flags(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p) {
1136 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_FLAGS));
1137}
1138PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_grid_get_grid_index(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p) {
1139 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_GRID_INDEX));
1140}
1141PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_grid_get_grid_count(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p) {
1142 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_GRID_COUNT));
1143}
1144PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_grid_get_grid_size(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p) {
1145 return pnanovdb_read_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_GRID_SIZE));
1146}
1147PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_grid_get_grid_name(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t index) {
1148 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_GRID_NAME + 4u * index));
1149}
1150PNANOVDB_FORCE_INLINE pnanovdb_map_handle_t pnanovdb_grid_get_map(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p) {
1151 pnanovdb_map_handle_t ret;
1152 ret.address = pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_MAP);
1153 return ret;
1154}
1155PNANOVDB_FORCE_INLINE double pnanovdb_grid_get_world_bbox(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t index) {
1156 return pnanovdb_read_double(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_WORLD_BBOX + 8u * index));
1157}
1158PNANOVDB_FORCE_INLINE double pnanovdb_grid_get_voxel_size(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t index) {
1159 return pnanovdb_read_double(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_VOXEL_SIZE + 8u * index));
1160}
1161PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_grid_get_grid_class(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p) {
1162 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_GRID_CLASS));
1163}
1164PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_grid_get_grid_type(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p) {
1165 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_GRID_TYPE));
1166}
1167PNANOVDB_FORCE_INLINE pnanovdb_int64_t pnanovdb_grid_get_blind_metadata_offset(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p) {
1168 return pnanovdb_read_int64(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_BLIND_METADATA_OFFSET));
1169}
1170PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_grid_get_blind_metadata_count(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p) {
1171 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_BLIND_METADATA_COUNT));
1172}
1173
1174PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_magic(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint64_t magic) {
1175 pnanovdb_write_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_MAGIC), magic);
1176}
1177PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_checksum(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint64_t checksum) {
1178 pnanovdb_write_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_CHECKSUM), checksum);
1179}
1180PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_version(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t version) {
1181 pnanovdb_write_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_VERSION), version);
1182}
1183PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_flags(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t flags) {
1184 pnanovdb_write_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_FLAGS), flags);
1185}
1186PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_grid_index(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t grid_index) {
1187 pnanovdb_write_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_GRID_INDEX), grid_index);
1188}
1189PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_grid_count(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t grid_count) {
1190 pnanovdb_write_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_GRID_COUNT), grid_count);
1191}
1192PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_grid_size(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint64_t grid_size) {
1193 pnanovdb_write_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_GRID_SIZE), grid_size);
1194}
1195PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_grid_name(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t index, pnanovdb_uint32_t grid_name) {
1196 pnanovdb_write_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_GRID_NAME + 4u * index), grid_name);
1197}
1198PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_world_bbox(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t index, double world_bbox) {
1199 pnanovdb_write_double(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_WORLD_BBOX + 8u * index), world_bbox);
1200}
1201PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_voxel_size(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t index, double voxel_size) {
1202 pnanovdb_write_double(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_VOXEL_SIZE + 8u * index), voxel_size);
1203}
1204PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_grid_class(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t grid_class) {
1205 pnanovdb_write_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_GRID_CLASS), grid_class);
1206}
1207PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_grid_type(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t grid_type) {
1208 pnanovdb_write_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_GRID_TYPE), grid_type);
1209}
1210PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_blind_metadata_offset(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint64_t blind_metadata_offset) {
1211 pnanovdb_write_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_BLIND_METADATA_OFFSET), blind_metadata_offset);
1212}
1213PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_blind_metadata_count(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t metadata_count) {
1214 pnanovdb_write_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRID_OFF_BLIND_METADATA_COUNT), metadata_count);
1215}
1216
1217PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_make_version(pnanovdb_uint32_t major, pnanovdb_uint32_t minor, pnanovdb_uint32_t patch_num)
1218{
1219 return (major << 21u) | (minor << 10u) | patch_num;
1220}
1221
1222PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_version_get_major(pnanovdb_uint32_t version)
1223{
1224 return (version >> 21u) & ((1u << 11u) - 1u);
1225}
1226PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_version_get_minor(pnanovdb_uint32_t version)
1227{
1228 return (version >> 10u) & ((1u << 11u) - 1u);
1229}
1230PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_version_get_patch(pnanovdb_uint32_t version)
1231{
1232 return version & ((1u << 10u) - 1u);
1233}
1234
1235 struct pnanovdb_gridblindmetadata_t
1236{
1237 pnanovdb_int64_t data_offset; // 8 bytes, 0
1238 pnanovdb_uint64_t value_count; // 8 bytes, 8
1239 pnanovdb_uint32_t value_size; // 4 bytes, 16
1240 pnanovdb_uint32_t semantic; // 4 bytes, 20
1241 pnanovdb_uint32_t data_class; // 4 bytes, 24
1242 pnanovdb_uint32_t data_type; // 4 bytes, 28
1243 pnanovdb_uint32_t name[256 / 4]; // 256 bytes, 32
1244};
1245PNANOVDB_STRUCT_TYPEDEF(pnanovdb_gridblindmetadata_t)
1246struct pnanovdb_gridblindmetadata_handle_t { pnanovdb_address_t address; };
1247PNANOVDB_STRUCT_TYPEDEF(pnanovdb_gridblindmetadata_handle_t)
1248
1249#define PNANOVDB_GRIDBLINDMETADATA_SIZE 288
1250
1251#define PNANOVDB_GRIDBLINDMETADATA_OFF_DATA_OFFSET 0
1252#define PNANOVDB_GRIDBLINDMETADATA_OFF_VALUE_COUNT 8
1253#define PNANOVDB_GRIDBLINDMETADATA_OFF_VALUE_SIZE 16
1254#define PNANOVDB_GRIDBLINDMETADATA_OFF_SEMANTIC 20
1255#define PNANOVDB_GRIDBLINDMETADATA_OFF_DATA_CLASS 24
1256#define PNANOVDB_GRIDBLINDMETADATA_OFF_DATA_TYPE 28
1257#define PNANOVDB_GRIDBLINDMETADATA_OFF_NAME 32
1258
1259PNANOVDB_FORCE_INLINE pnanovdb_int64_t pnanovdb_gridblindmetadata_get_data_offset(pnanovdb_buf_t buf, pnanovdb_gridblindmetadata_handle_t p) {
1260 return pnanovdb_read_int64(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRIDBLINDMETADATA_OFF_DATA_OFFSET));
1261}
1262PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_gridblindmetadata_get_value_count(pnanovdb_buf_t buf, pnanovdb_gridblindmetadata_handle_t p) {
1263 return pnanovdb_read_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRIDBLINDMETADATA_OFF_VALUE_COUNT));
1264}
1265PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_gridblindmetadata_get_value_size(pnanovdb_buf_t buf, pnanovdb_gridblindmetadata_handle_t p) {
1266 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRIDBLINDMETADATA_OFF_VALUE_SIZE));
1267}
1268PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_gridblindmetadata_get_semantic(pnanovdb_buf_t buf, pnanovdb_gridblindmetadata_handle_t p) {
1269 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRIDBLINDMETADATA_OFF_SEMANTIC));
1270}
1271PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_gridblindmetadata_get_data_class(pnanovdb_buf_t buf, pnanovdb_gridblindmetadata_handle_t p) {
1272 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRIDBLINDMETADATA_OFF_DATA_CLASS));
1273}
1274PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_gridblindmetadata_get_data_type(pnanovdb_buf_t buf, pnanovdb_gridblindmetadata_handle_t p) {
1275 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRIDBLINDMETADATA_OFF_DATA_TYPE));
1276}
1277PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_gridblindmetadata_get_name(pnanovdb_buf_t buf, pnanovdb_gridblindmetadata_handle_t p, pnanovdb_uint32_t index) {
1278 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_GRIDBLINDMETADATA_OFF_NAME + 4u * index));
1279}
1280
1281 struct pnanovdb_tree_t
1282{
1283 pnanovdb_uint64_t node_offset_leaf;
1284 pnanovdb_uint64_t node_offset_lower;
1285 pnanovdb_uint64_t node_offset_upper;
1286 pnanovdb_uint64_t node_offset_root;
1287 pnanovdb_uint32_t node_count_leaf;
1288 pnanovdb_uint32_t node_count_lower;
1289 pnanovdb_uint32_t node_count_upper;
1290 pnanovdb_uint32_t tile_count_leaf;
1291 pnanovdb_uint32_t tile_count_lower;
1292 pnanovdb_uint32_t tile_count_upper;
1293 pnanovdb_uint64_t voxel_count;
1294};
1295PNANOVDB_STRUCT_TYPEDEF(pnanovdb_tree_t)
1296struct pnanovdb_tree_handle_t { pnanovdb_address_t address; };
1297PNANOVDB_STRUCT_TYPEDEF(pnanovdb_tree_handle_t)
1298
1299#define PNANOVDB_TREE_SIZE 64
1300
1301#define PNANOVDB_TREE_OFF_NODE_OFFSET_LEAF 0
1302#define PNANOVDB_TREE_OFF_NODE_OFFSET_LOWER 8
1303#define PNANOVDB_TREE_OFF_NODE_OFFSET_UPPER 16
1304#define PNANOVDB_TREE_OFF_NODE_OFFSET_ROOT 24
1305#define PNANOVDB_TREE_OFF_NODE_COUNT_LEAF 32
1306#define PNANOVDB_TREE_OFF_NODE_COUNT_LOWER 36
1307#define PNANOVDB_TREE_OFF_NODE_COUNT_UPPER 40
1308#define PNANOVDB_TREE_OFF_TILE_COUNT_LEAF 44
1309#define PNANOVDB_TREE_OFF_TILE_COUNT_LOWER 48
1310#define PNANOVDB_TREE_OFF_TILE_COUNT_UPPER 52
1311#define PNANOVDB_TREE_OFF_VOXEL_COUNT 56
1312
1313PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_tree_get_node_offset_leaf(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p) {
1314 return pnanovdb_read_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_NODE_OFFSET_LEAF));
1315}
1316PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_tree_get_node_offset_lower(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p) {
1317 return pnanovdb_read_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_NODE_OFFSET_LOWER));
1318}
1319PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_tree_get_node_offset_upper(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p) {
1320 return pnanovdb_read_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_NODE_OFFSET_UPPER));
1321}
1322PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_tree_get_node_offset_root(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p) {
1323 return pnanovdb_read_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_NODE_OFFSET_ROOT));
1324}
1325PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_tree_get_node_count_leaf(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p) {
1326 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_NODE_COUNT_LEAF));
1327}
1328PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_tree_get_node_count_lower(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p) {
1329 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_NODE_COUNT_LOWER));
1330}
1331PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_tree_get_node_count_upper(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p) {
1332 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_NODE_COUNT_UPPER));
1333}
1334PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_tree_get_tile_count_leaf(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p) {
1335 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_TILE_COUNT_LEAF));
1336}
1337PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_tree_get_tile_count_lower(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p) {
1338 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_TILE_COUNT_LOWER));
1339}
1340PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_tree_get_tile_count_upper(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p) {
1341 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_TILE_COUNT_UPPER));
1342}
1343PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_tree_get_voxel_count(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p) {
1344 return pnanovdb_read_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_VOXEL_COUNT));
1345}
1346
1347PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_node_offset_leaf(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint64_t node_offset_leaf) {
1348 pnanovdb_write_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_NODE_OFFSET_LEAF), node_offset_leaf);
1349}
1350PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_node_offset_lower(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint64_t node_offset_lower) {
1351 pnanovdb_write_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_NODE_OFFSET_LOWER), node_offset_lower);
1352}
1353PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_node_offset_upper(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint64_t node_offset_upper) {
1354 pnanovdb_write_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_NODE_OFFSET_UPPER), node_offset_upper);
1355}
1356PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_node_offset_root(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint64_t node_offset_root) {
1357 pnanovdb_write_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_NODE_OFFSET_ROOT), node_offset_root);
1358}
1359PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_node_count_leaf(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint32_t node_count_leaf) {
1360 pnanovdb_write_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_NODE_COUNT_LEAF), node_count_leaf);
1361}
1362PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_node_count_lower(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint32_t node_count_lower) {
1363 pnanovdb_write_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_NODE_COUNT_LOWER), node_count_lower);
1364}
1365PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_node_count_upper(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint32_t node_count_upper) {
1366 pnanovdb_write_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_NODE_COUNT_UPPER), node_count_upper);
1367}
1368PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_tile_count_leaf(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint32_t tile_count_leaf) {
1369 pnanovdb_write_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_TILE_COUNT_LEAF), tile_count_leaf);
1370}
1371PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_tile_count_lower(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint32_t tile_count_lower) {
1372 pnanovdb_write_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_TILE_COUNT_LOWER), tile_count_lower);
1373}
1374PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_tile_count_upper(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint32_t tile_count_upper) {
1375 pnanovdb_write_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_TILE_COUNT_UPPER), tile_count_upper);
1376}
1377PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_voxel_count(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint64_t voxel_count) {
1378 pnanovdb_write_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_TREE_OFF_VOXEL_COUNT), voxel_count);
1379}
1380
1381 struct pnanovdb_root_t
1382{
1383 pnanovdb_coord_t bbox_min;
1384 pnanovdb_coord_t bbox_max;
1385 pnanovdb_uint32_t table_size;
1386 pnanovdb_uint32_t pad1; // background can start here
1387 // background, min, max
1388};
1389PNANOVDB_STRUCT_TYPEDEF(pnanovdb_root_t)
1390struct pnanovdb_root_handle_t { pnanovdb_address_t address; };
1391PNANOVDB_STRUCT_TYPEDEF(pnanovdb_root_handle_t)
1392
1393#define PNANOVDB_ROOT_BASE_SIZE 28
1394
1395#define PNANOVDB_ROOT_OFF_BBOX_MIN 0
1396#define PNANOVDB_ROOT_OFF_BBOX_MAX 12
1397#define PNANOVDB_ROOT_OFF_TABLE_SIZE 24
1398
1399PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_root_get_bbox_min(pnanovdb_buf_t buf, pnanovdb_root_handle_t p) {
1400 return pnanovdb_read_coord(buf, pnanovdb_address_offset(p.address, PNANOVDB_ROOT_OFF_BBOX_MIN));
1401}
1402PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_root_get_bbox_max(pnanovdb_buf_t buf, pnanovdb_root_handle_t p) {
1403 return pnanovdb_read_coord(buf, pnanovdb_address_offset(p.address, PNANOVDB_ROOT_OFF_BBOX_MAX));
1404}
1405PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_root_get_tile_count(pnanovdb_buf_t buf, pnanovdb_root_handle_t p) {
1406 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_ROOT_OFF_TABLE_SIZE));
1407}
1408
1409PNANOVDB_FORCE_INLINE void pnanovdb_root_set_bbox_min(pnanovdb_buf_t buf, pnanovdb_root_handle_t p, PNANOVDB_IN(pnanovdb_coord_t) bbox_min) {
1410 pnanovdb_write_coord(buf, pnanovdb_address_offset(p.address, PNANOVDB_ROOT_OFF_BBOX_MIN), bbox_min);
1411}
1412PNANOVDB_FORCE_INLINE void pnanovdb_root_set_bbox_max(pnanovdb_buf_t buf, pnanovdb_root_handle_t p, PNANOVDB_IN(pnanovdb_coord_t) bbox_max) {
1413 pnanovdb_write_coord(buf, pnanovdb_address_offset(p.address, PNANOVDB_ROOT_OFF_BBOX_MAX), bbox_max);
1414}
1415PNANOVDB_FORCE_INLINE void pnanovdb_root_set_tile_count(pnanovdb_buf_t buf, pnanovdb_root_handle_t p, pnanovdb_uint32_t tile_count) {
1416 pnanovdb_write_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_ROOT_OFF_TABLE_SIZE), tile_count);
1417}
1418
1419 struct pnanovdb_root_tile_t
1420{
1421 pnanovdb_uint64_t key;
1422 pnanovdb_int64_t child; // signed byte offset from root to the child node, 0 means it is a constant tile, so use value
1423 pnanovdb_uint32_t state;
1424 pnanovdb_uint32_t pad1; // value can start here
1425 // value
1426};
1427PNANOVDB_STRUCT_TYPEDEF(pnanovdb_root_tile_t)
1428struct pnanovdb_root_tile_handle_t { pnanovdb_address_t address; };
1429PNANOVDB_STRUCT_TYPEDEF(pnanovdb_root_tile_handle_t)
1430
1431#define PNANOVDB_ROOT_TILE_BASE_SIZE 20
1432
1433#define PNANOVDB_ROOT_TILE_OFF_KEY 0
1434#define PNANOVDB_ROOT_TILE_OFF_CHILD 8
1435#define PNANOVDB_ROOT_TILE_OFF_STATE 16
1436
1437PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_root_tile_get_key(pnanovdb_buf_t buf, pnanovdb_root_tile_handle_t p) {
1438 return pnanovdb_read_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_ROOT_TILE_OFF_KEY));
1439}
1440PNANOVDB_FORCE_INLINE pnanovdb_int64_t pnanovdb_root_tile_get_child(pnanovdb_buf_t buf, pnanovdb_root_tile_handle_t p) {
1441 return pnanovdb_read_int64(buf, pnanovdb_address_offset(p.address, PNANOVDB_ROOT_TILE_OFF_CHILD));
1442}
1443PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_root_tile_get_state(pnanovdb_buf_t buf, pnanovdb_root_tile_handle_t p) {
1444 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_ROOT_TILE_OFF_STATE));
1445}
1446
1447PNANOVDB_FORCE_INLINE void pnanovdb_root_tile_set_key(pnanovdb_buf_t buf, pnanovdb_root_tile_handle_t p, pnanovdb_uint64_t key) {
1448 pnanovdb_write_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_ROOT_TILE_OFF_KEY), key);
1449}
1450PNANOVDB_FORCE_INLINE void pnanovdb_root_tile_set_child(pnanovdb_buf_t buf, pnanovdb_root_tile_handle_t p, pnanovdb_int64_t child) {
1451 pnanovdb_write_int64(buf, pnanovdb_address_offset(p.address, PNANOVDB_ROOT_TILE_OFF_CHILD), child);
1452}
1453PNANOVDB_FORCE_INLINE void pnanovdb_root_tile_set_state(pnanovdb_buf_t buf, pnanovdb_root_tile_handle_t p, pnanovdb_uint32_t state) {
1454 pnanovdb_write_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_ROOT_TILE_OFF_STATE), state);
1455}
1456
1457 struct pnanovdb_upper_t
1458{
1459 pnanovdb_coord_t bbox_min;
1460 pnanovdb_coord_t bbox_max;
1461 pnanovdb_uint64_t flags;
1462 pnanovdb_uint32_t value_mask[1024];
1463 pnanovdb_uint32_t child_mask[1024];
1464 // min, max
1465 // alignas(32) pnanovdb_uint32_t table[];
1466};
1467PNANOVDB_STRUCT_TYPEDEF(pnanovdb_upper_t)
1468struct pnanovdb_upper_handle_t { pnanovdb_address_t address; };
1469PNANOVDB_STRUCT_TYPEDEF(pnanovdb_upper_handle_t)
1470
1471#define PNANOVDB_UPPER_TABLE_COUNT 32768
1472#define PNANOVDB_UPPER_BASE_SIZE 8224
1473
1474#define PNANOVDB_UPPER_OFF_BBOX_MIN 0
1475#define PNANOVDB_UPPER_OFF_BBOX_MAX 12
1476#define PNANOVDB_UPPER_OFF_FLAGS 24
1477#define PNANOVDB_UPPER_OFF_VALUE_MASK 32
1478#define PNANOVDB_UPPER_OFF_CHILD_MASK 4128
1479
1480PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_upper_get_bbox_min(pnanovdb_buf_t buf, pnanovdb_upper_handle_t p) {
1481 return pnanovdb_read_coord(buf, pnanovdb_address_offset(p.address, PNANOVDB_UPPER_OFF_BBOX_MIN));
1482}
1483PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_upper_get_bbox_max(pnanovdb_buf_t buf, pnanovdb_upper_handle_t p) {
1484 return pnanovdb_read_coord(buf, pnanovdb_address_offset(p.address, PNANOVDB_UPPER_OFF_BBOX_MAX));
1485}
1486PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_upper_get_flags(pnanovdb_buf_t buf, pnanovdb_upper_handle_t p) {
1487 return pnanovdb_read_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_UPPER_OFF_FLAGS));
1488}
1489PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_upper_get_value_mask(pnanovdb_buf_t buf, pnanovdb_upper_handle_t p, pnanovdb_uint32_t bit_index) {
1490 pnanovdb_uint32_t value = pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_UPPER_OFF_VALUE_MASK + 4u * (bit_index >> 5u)));
1491 return ((value >> (bit_index & 31u)) & 1) != 0u;
1492}
1493PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_upper_get_child_mask(pnanovdb_buf_t buf, pnanovdb_upper_handle_t p, pnanovdb_uint32_t bit_index) {
1494 pnanovdb_uint32_t value = pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_UPPER_OFF_CHILD_MASK + 4u * (bit_index >> 5u)));
1495 return ((value >> (bit_index & 31u)) & 1) != 0u;
1496}
1497
1498PNANOVDB_FORCE_INLINE void pnanovdb_upper_set_bbox_min(pnanovdb_buf_t buf, pnanovdb_upper_handle_t p, PNANOVDB_IN(pnanovdb_coord_t) bbox_min) {
1499 pnanovdb_write_coord(buf, pnanovdb_address_offset(p.address, PNANOVDB_UPPER_OFF_BBOX_MIN), bbox_min);
1500}
1501PNANOVDB_FORCE_INLINE void pnanovdb_upper_set_bbox_max(pnanovdb_buf_t buf, pnanovdb_upper_handle_t p, PNANOVDB_IN(pnanovdb_coord_t) bbox_max) {
1502 pnanovdb_write_coord(buf, pnanovdb_address_offset(p.address, PNANOVDB_UPPER_OFF_BBOX_MAX), bbox_max);
1503}
1504PNANOVDB_FORCE_INLINE void pnanovdb_upper_set_child_mask(pnanovdb_buf_t buf, pnanovdb_upper_handle_t p, pnanovdb_uint32_t bit_index, pnanovdb_bool_t value) {
1505 pnanovdb_address_t addr = pnanovdb_address_offset(p.address, PNANOVDB_UPPER_OFF_CHILD_MASK + 4u * (bit_index >> 5u));
1506 pnanovdb_uint32_t valueMask = pnanovdb_read_uint32(buf, addr);
1507 if (!value) { valueMask &= ~(1u << (bit_index & 31u)); }
1508 if (value) valueMask |= (1u << (bit_index & 31u));
1509 pnanovdb_write_uint32(buf, addr, valueMask);
1510}
1511
1512 struct pnanovdb_lower_t
1513{
1514 pnanovdb_coord_t bbox_min;
1515 pnanovdb_coord_t bbox_max;
1516 pnanovdb_uint64_t flags;
1517 pnanovdb_uint32_t value_mask[128];
1518 pnanovdb_uint32_t child_mask[128];
1519 // min, max
1520 // alignas(32) pnanovdb_uint32_t table[];
1521};
1522PNANOVDB_STRUCT_TYPEDEF(pnanovdb_lower_t)
1523struct pnanovdb_lower_handle_t { pnanovdb_address_t address; };
1524PNANOVDB_STRUCT_TYPEDEF(pnanovdb_lower_handle_t)
1525
1526#define PNANOVDB_LOWER_TABLE_COUNT 4096
1527#define PNANOVDB_LOWER_BASE_SIZE 1056
1528
1529#define PNANOVDB_LOWER_OFF_BBOX_MIN 0
1530#define PNANOVDB_LOWER_OFF_BBOX_MAX 12
1531#define PNANOVDB_LOWER_OFF_FLAGS 24
1532#define PNANOVDB_LOWER_OFF_VALUE_MASK 32
1533#define PNANOVDB_LOWER_OFF_CHILD_MASK 544
1534
1535PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_lower_get_bbox_min(pnanovdb_buf_t buf, pnanovdb_lower_handle_t p) {
1536 return pnanovdb_read_coord(buf, pnanovdb_address_offset(p.address, PNANOVDB_LOWER_OFF_BBOX_MIN));
1537}
1538PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_lower_get_bbox_max(pnanovdb_buf_t buf, pnanovdb_lower_handle_t p) {
1539 return pnanovdb_read_coord(buf, pnanovdb_address_offset(p.address, PNANOVDB_LOWER_OFF_BBOX_MAX));
1540}
1541PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_lower_get_flags(pnanovdb_buf_t buf, pnanovdb_lower_handle_t p) {
1542 return pnanovdb_read_uint64(buf, pnanovdb_address_offset(p.address, PNANOVDB_LOWER_OFF_FLAGS));
1543}
1544PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_lower_get_value_mask(pnanovdb_buf_t buf, pnanovdb_lower_handle_t p, pnanovdb_uint32_t bit_index) {
1545 pnanovdb_uint32_t value = pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_LOWER_OFF_VALUE_MASK + 4u * (bit_index >> 5u)));
1546 return ((value >> (bit_index & 31u)) & 1) != 0u;
1547}
1548PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_lower_get_child_mask(pnanovdb_buf_t buf, pnanovdb_lower_handle_t p, pnanovdb_uint32_t bit_index) {
1549 pnanovdb_uint32_t value = pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_LOWER_OFF_CHILD_MASK + 4u * (bit_index >> 5u)));
1550 return ((value >> (bit_index & 31u)) & 1) != 0u;
1551}
1552
1553PNANOVDB_FORCE_INLINE void pnanovdb_lower_set_bbox_min(pnanovdb_buf_t buf, pnanovdb_lower_handle_t p, PNANOVDB_IN(pnanovdb_coord_t) bbox_min) {
1554 pnanovdb_write_coord(buf, pnanovdb_address_offset(p.address, PNANOVDB_LOWER_OFF_BBOX_MIN), bbox_min);
1555}
1556PNANOVDB_FORCE_INLINE void pnanovdb_lower_set_bbox_max(pnanovdb_buf_t buf, pnanovdb_lower_handle_t p, PNANOVDB_IN(pnanovdb_coord_t) bbox_max) {
1557 pnanovdb_write_coord(buf, pnanovdb_address_offset(p.address, PNANOVDB_LOWER_OFF_BBOX_MAX), bbox_max);
1558}
1559PNANOVDB_FORCE_INLINE void pnanovdb_lower_set_child_mask(pnanovdb_buf_t buf, pnanovdb_lower_handle_t p, pnanovdb_uint32_t bit_index, pnanovdb_bool_t value) {
1560 pnanovdb_address_t addr = pnanovdb_address_offset(p.address, PNANOVDB_LOWER_OFF_CHILD_MASK + 4u * (bit_index >> 5u));
1561 pnanovdb_uint32_t valueMask = pnanovdb_read_uint32(buf, addr);
1562 if (!value) { valueMask &= ~(1u << (bit_index & 31u)); }
1563 if (value) valueMask |= (1u << (bit_index & 31u));
1564 pnanovdb_write_uint32(buf, addr, valueMask);
1565}
1566
1567 struct pnanovdb_leaf_t
1568{
1569 pnanovdb_coord_t bbox_min;
1570 pnanovdb_uint32_t bbox_dif_and_flags;
1571 pnanovdb_uint32_t value_mask[16];
1572 // min, max
1573 // alignas(32) pnanovdb_uint32_t values[];
1574};
1575PNANOVDB_STRUCT_TYPEDEF(pnanovdb_leaf_t)
1576struct pnanovdb_leaf_handle_t { pnanovdb_address_t address; };
1577PNANOVDB_STRUCT_TYPEDEF(pnanovdb_leaf_handle_t)
1578
1579#define PNANOVDB_LEAF_TABLE_COUNT 512
1580#define PNANOVDB_LEAF_BASE_SIZE 80
1581
1582#define PNANOVDB_LEAF_OFF_BBOX_MIN 0
1583#define PNANOVDB_LEAF_OFF_BBOX_DIF_AND_FLAGS 12
1584#define PNANOVDB_LEAF_OFF_VALUE_MASK 16
1585
1586#define PNANOVDB_LEAF_TABLE_NEG_OFF_BBOX_DIF_AND_FLAGS 84
1587#define PNANOVDB_LEAF_TABLE_NEG_OFF_MINIMUM 16
1588#define PNANOVDB_LEAF_TABLE_NEG_OFF_QUANTUM 12
1589
1590PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_leaf_get_bbox_min(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t p) {
1591 return pnanovdb_read_coord(buf, pnanovdb_address_offset(p.address, PNANOVDB_LEAF_OFF_BBOX_MIN));
1592}
1593PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_leaf_get_bbox_dif_and_flags(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t p) {
1594 return pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_LEAF_OFF_BBOX_DIF_AND_FLAGS));
1595}
1596PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_leaf_get_value_mask(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t p, pnanovdb_uint32_t bit_index) {
1597 pnanovdb_uint32_t value = pnanovdb_read_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_LEAF_OFF_VALUE_MASK + 4u * (bit_index >> 5u)));
1598 return ((value >> (bit_index & 31u)) & 1) != 0u;
1599}
1600
1601PNANOVDB_FORCE_INLINE void pnanovdb_leaf_set_bbox_min(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t p, PNANOVDB_IN(pnanovdb_coord_t) bbox_min) {
1602 pnanovdb_write_coord(buf, pnanovdb_address_offset(p.address, PNANOVDB_LEAF_OFF_BBOX_MIN), bbox_min);
1603}
1604PNANOVDB_FORCE_INLINE void pnanovdb_leaf_set_bbox_dif_and_flags(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t p, pnanovdb_uint32_t bbox_dif_and_flags) {
1605 pnanovdb_write_uint32(buf, pnanovdb_address_offset(p.address, PNANOVDB_LEAF_OFF_BBOX_DIF_AND_FLAGS), bbox_dif_and_flags);
1606}
1607
1608 struct pnanovdb_grid_type_constants_t
1609{
1610 pnanovdb_uint32_t root_off_background;
1611 pnanovdb_uint32_t root_off_min;
1612 pnanovdb_uint32_t root_off_max;
1613 pnanovdb_uint32_t root_off_ave;
1614 pnanovdb_uint32_t root_off_stddev;
1615 pnanovdb_uint32_t root_size;
1616 pnanovdb_uint32_t value_stride_bits;
1617 pnanovdb_uint32_t table_stride;
1618 pnanovdb_uint32_t root_tile_off_value;
1619 pnanovdb_uint32_t root_tile_size;
1620 pnanovdb_uint32_t upper_off_min;
1621 pnanovdb_uint32_t upper_off_max;
1622 pnanovdb_uint32_t upper_off_ave;
1623 pnanovdb_uint32_t upper_off_stddev;
1624 pnanovdb_uint32_t upper_off_table;
1625 pnanovdb_uint32_t upper_size;
1626 pnanovdb_uint32_t lower_off_min;
1627 pnanovdb_uint32_t lower_off_max;
1628 pnanovdb_uint32_t lower_off_ave;
1629 pnanovdb_uint32_t lower_off_stddev;
1630 pnanovdb_uint32_t lower_off_table;
1631 pnanovdb_uint32_t lower_size;
1632 pnanovdb_uint32_t leaf_off_min;
1633 pnanovdb_uint32_t leaf_off_max;
1634 pnanovdb_uint32_t leaf_off_ave;
1635 pnanovdb_uint32_t leaf_off_stddev;
1636 pnanovdb_uint32_t leaf_off_table;
1637 pnanovdb_uint32_t leaf_size;
1638};
1639PNANOVDB_STRUCT_TYPEDEF(pnanovdb_grid_type_constants_t)
1640
1641// The following table with offsets will nedd to be updates as new GridTypes are added in NanoVDB.h
1642PNANOVDB_STATIC_CONST pnanovdb_grid_type_constants_t pnanovdb_grid_type_constants[PNANOVDB_GRID_TYPE_END] =
1643{
1644{28, 28, 28, 28, 28, 32, 0, 8, 20, 32, 8224, 8224, 8224, 8224, 8224, 270368, 1056, 1056, 1056, 1056, 1056, 33824, 80, 80, 80, 80, 96, 96},
1645{28, 32, 36, 40, 44, 64, 32, 8, 20, 32, 8224, 8228, 8232, 8236, 8256, 270400, 1056, 1060, 1064, 1068, 1088, 33856, 80, 84, 88, 92, 96, 2144},
1646{32, 40, 48, 56, 64, 96, 64, 8, 24, 32, 8224, 8232, 8240, 8248, 8256, 270400, 1056, 1064, 1072, 1080, 1088, 33856, 80, 88, 96, 104, 128, 4224},
1647{28, 30, 32, 36, 40, 64, 16, 8, 20, 32, 8224, 8226, 8228, 8232, 8256, 270400, 1056, 1058, 1060, 1064, 1088, 33856, 80, 82, 84, 88, 96, 1120},
1648{28, 32, 36, 40, 44, 64, 32, 8, 20, 32, 8224, 8228, 8232, 8236, 8256, 270400, 1056, 1060, 1064, 1068, 1088, 33856, 80, 84, 88, 92, 96, 2144},
1649{32, 40, 48, 56, 64, 96, 64, 8, 24, 32, 8224, 8232, 8240, 8248, 8256, 270400, 1056, 1064, 1072, 1080, 1088, 33856, 80, 88, 96, 104, 128, 4224},
1650{28, 40, 52, 64, 68, 96, 96, 16, 20, 32, 8224, 8236, 8248, 8252, 8256, 532544, 1056, 1068, 1080, 1084, 1088, 66624, 80, 92, 104, 108, 128, 6272},
1651{32, 56, 80, 104, 112, 128, 192, 24, 24, 64, 8224, 8248, 8272, 8280, 8288, 794720, 1056, 1080, 1104, 1112, 1120, 99424, 80, 104, 128, 136, 160, 12448},
1652{28, 29, 30, 31, 32, 64, 0, 8, 20, 32, 8224, 8225, 8226, 8227, 8256, 270400, 1056, 1057, 1058, 1059, 1088, 33856, 80, 80, 80, 80, 96, 96},
1653{28, 30, 32, 36, 40, 64, 16, 8, 20, 32, 8224, 8226, 8228, 8232, 8256, 270400, 1056, 1058, 1060, 1064, 1088, 33856, 80, 82, 84, 88, 96, 1120},
1654{28, 32, 36, 40, 44, 64, 32, 8, 20, 32, 8224, 8228, 8232, 8236, 8256, 270400, 1056, 1060, 1064, 1068, 1088, 33856, 80, 84, 88, 92, 96, 2144},
1655{28, 29, 30, 31, 32, 64, 1, 8, 20, 32, 8224, 8225, 8226, 8227, 8256, 270400, 1056, 1057, 1058, 1059, 1088, 33856, 80, 80, 80, 80, 96, 160},
1656{28, 32, 36, 40, 44, 64, 32, 8, 20, 32, 8224, 8228, 8232, 8236, 8256, 270400, 1056, 1060, 1064, 1068, 1088, 33856, 80, 84, 88, 92, 96, 2144},
1657{28, 32, 36, 40, 44, 64, 0, 8, 20, 32, 8224, 8228, 8232, 8236, 8256, 270400, 1056, 1060, 1064, 1068, 1088, 33856, 88, 90, 92, 94, 96, 352},
1658{28, 32, 36, 40, 44, 64, 0, 8, 20, 32, 8224, 8228, 8232, 8236, 8256, 270400, 1056, 1060, 1064, 1068, 1088, 33856, 88, 90, 92, 94, 96, 608},
1659{28, 32, 36, 40, 44, 64, 0, 8, 20, 32, 8224, 8228, 8232, 8236, 8256, 270400, 1056, 1060, 1064, 1068, 1088, 33856, 88, 90, 92, 94, 96, 1120},
1660{28, 32, 36, 40, 44, 64, 0, 8, 20, 32, 8224, 8228, 8232, 8236, 8256, 270400, 1056, 1060, 1064, 1068, 1088, 33856, 88, 90, 92, 94, 96, 96},
1661{28, 44, 60, 76, 80, 96, 128, 16, 20, 64, 8224, 8240, 8256, 8260, 8288, 532576, 1056, 1072, 1088, 1092, 1120, 66656, 80, 96, 112, 116, 128, 8320},
1662{32, 64, 96, 128, 136, 160, 256, 32, 24, 64, 8224, 8256, 8288, 8296, 8320, 1056896, 1056, 1088, 1120, 1128, 1152, 132224, 80, 112, 144, 152, 160, 16544},
1663{32, 40, 48, 56, 64, 96, 0, 8, 24, 32, 8224, 8232, 8240, 8248, 8256, 270400, 1056, 1064, 1072, 1080, 1088, 33856, 80, 80, 80, 80, 80, 96},
1664{32, 40, 48, 56, 64, 96, 0, 8, 24, 32, 8224, 8232, 8240, 8248, 8256, 270400, 1056, 1064, 1072, 1080, 1088, 33856, 80, 80, 80, 80, 80, 96},
1665{32, 40, 48, 56, 64, 96, 0, 8, 24, 32, 8224, 8232, 8240, 8248, 8256, 270400, 1056, 1064, 1072, 1080, 1088, 33856, 80, 80, 80, 80, 80, 160},
1666{32, 40, 48, 56, 64, 96, 0, 8, 24, 32, 8224, 8232, 8240, 8248, 8256, 270400, 1056, 1064, 1072, 1080, 1088, 33856, 80, 80, 80, 80, 80, 160},
1667{32, 40, 48, 56, 64, 96, 16, 8, 24, 32, 8224, 8232, 8240, 8248, 8256, 270400, 1056, 1064, 1072, 1080, 1088, 33856, 80, 88, 96, 96, 96, 1120},
1668{28, 31, 34, 40, 44, 64, 24, 8, 20, 32, 8224, 8227, 8232, 8236, 8256, 270400, 1056, 1059, 1064, 1068, 1088, 33856, 80, 83, 88, 92, 96, 1632},
1669{28, 34, 40, 48, 52, 64, 48, 8, 20, 32, 8224, 8230, 8236, 8240, 8256, 270400, 1056, 1062, 1068, 1072, 1088, 33856, 80, 86, 92, 96, 128, 3200},
1670{28, 29, 30, 32, 36, 64, 8, 8, 20, 32, 8224, 8225, 8228, 8232, 8256, 270400, 1056, 1057, 1060, 1064, 1088, 33856, 80, 81, 84, 88, 96, 608},
1671};
1672
1673// ------------------------------------------------ Basic Lookup -----------------------------------------------------------
1674
1675PNANOVDB_FORCE_INLINE pnanovdb_gridblindmetadata_handle_t pnanovdb_grid_get_gridblindmetadata(pnanovdb_buf_t buf, pnanovdb_grid_handle_t grid, pnanovdb_uint32_t index)
1676{
1677 pnanovdb_gridblindmetadata_handle_t meta = { grid.address };
1678 pnanovdb_uint64_t byte_offset = pnanovdb_grid_get_blind_metadata_offset(buf, grid);
1679 meta.address = pnanovdb_address_offset64(meta.address, byte_offset);
1680 meta.address = pnanovdb_address_offset_product(meta.address, PNANOVDB_GRIDBLINDMETADATA_SIZE, index);
1681 return meta;
1682}
1683
1684PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_grid_get_gridblindmetadata_value_address(pnanovdb_buf_t buf, pnanovdb_grid_handle_t grid, pnanovdb_uint32_t index)
1685{
1686 pnanovdb_gridblindmetadata_handle_t meta = pnanovdb_grid_get_gridblindmetadata(buf, grid, index);
1687 pnanovdb_int64_t byte_offset = pnanovdb_gridblindmetadata_get_data_offset(buf, meta);
1688 pnanovdb_address_t address = pnanovdb_address_offset64(meta.address, pnanovdb_int64_as_uint64(byte_offset));
1689 return address;
1690}
1691
1692PNANOVDB_FORCE_INLINE pnanovdb_tree_handle_t pnanovdb_grid_get_tree(pnanovdb_buf_t buf, pnanovdb_grid_handle_t grid)
1693{
1694 pnanovdb_tree_handle_t tree = { grid.address };
1695 tree.address = pnanovdb_address_offset(tree.address, PNANOVDB_GRID_SIZE);
1696 return tree;
1697}
1698
1699PNANOVDB_FORCE_INLINE pnanovdb_root_handle_t pnanovdb_tree_get_root(pnanovdb_buf_t buf, pnanovdb_tree_handle_t tree)
1700{
1701 pnanovdb_root_handle_t root = { tree.address };
1702 pnanovdb_uint64_t byte_offset = pnanovdb_tree_get_node_offset_root(buf, tree);
1703 root.address = pnanovdb_address_offset64(root.address, byte_offset);
1704 return root;
1705}
1706
1707PNANOVDB_FORCE_INLINE pnanovdb_root_tile_handle_t pnanovdb_root_get_tile(pnanovdb_grid_type_t grid_type, pnanovdb_root_handle_t root, pnanovdb_uint32_t n)
1708{
1709 pnanovdb_root_tile_handle_t tile = { root.address };
1710 tile.address = pnanovdb_address_offset(tile.address, PNANOVDB_GRID_TYPE_GET(grid_type, root_size));
1711 tile.address = pnanovdb_address_offset_product(tile.address, PNANOVDB_GRID_TYPE_GET(grid_type, root_tile_size), n);
1712 return tile;
1713}
1714
1715PNANOVDB_FORCE_INLINE pnanovdb_root_tile_handle_t pnanovdb_root_get_tile_zero(pnanovdb_grid_type_t grid_type, pnanovdb_root_handle_t root)
1716{
1717 pnanovdb_root_tile_handle_t tile = { root.address };
1718 tile.address = pnanovdb_address_offset(tile.address, PNANOVDB_GRID_TYPE_GET(grid_type, root_size));
1719 return tile;
1720}
1721
1722PNANOVDB_FORCE_INLINE pnanovdb_upper_handle_t pnanovdb_root_get_child(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, pnanovdb_root_tile_handle_t tile)
1723{
1724 pnanovdb_upper_handle_t upper = { root.address };
1725 upper.address = pnanovdb_address_offset64(upper.address, pnanovdb_int64_as_uint64(pnanovdb_root_tile_get_child(buf, tile)));
1726 return upper;
1727}
1728
1729PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_coord_to_key(PNANOVDB_IN(pnanovdb_coord_t) ijk)
1730{
1731#if defined(PNANOVDB_NATIVE_64)
1732 pnanovdb_uint64_t iu = pnanovdb_int32_as_uint32(PNANOVDB_DEREF(ijk).x) >> 12u;
1733 pnanovdb_uint64_t ju = pnanovdb_int32_as_uint32(PNANOVDB_DEREF(ijk).y) >> 12u;
1734 pnanovdb_uint64_t ku = pnanovdb_int32_as_uint32(PNANOVDB_DEREF(ijk).z) >> 12u;
1735 return (ku) | (ju << 21u) | (iu << 42u);
1736#else
1737 pnanovdb_uint32_t iu = pnanovdb_int32_as_uint32(PNANOVDB_DEREF(ijk).x) >> 12u;
1738 pnanovdb_uint32_t ju = pnanovdb_int32_as_uint32(PNANOVDB_DEREF(ijk).y) >> 12u;
1739 pnanovdb_uint32_t ku = pnanovdb_int32_as_uint32(PNANOVDB_DEREF(ijk).z) >> 12u;
1740 pnanovdb_uint32_t key_x = ku | (ju << 21);
1741 pnanovdb_uint32_t key_y = (iu << 10) | (ju >> 11);
1742 return pnanovdb_uint32_as_uint64(key_x, key_y);
1743#endif
1744}
1745
1746PNANOVDB_FORCE_INLINE pnanovdb_root_tile_handle_t pnanovdb_root_find_tile(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, PNANOVDB_IN(pnanovdb_coord_t) ijk)
1747{
1748 pnanovdb_uint32_t tile_count = pnanovdb_uint32_as_int32(pnanovdb_root_get_tile_count(buf, root));
1749 pnanovdb_root_tile_handle_t tile = pnanovdb_root_get_tile_zero(grid_type, root);
1750 pnanovdb_uint64_t key = pnanovdb_coord_to_key(ijk);
1751 for (pnanovdb_uint32_t i = 0u; i < tile_count; i++)
1752 {
1753 if (pnanovdb_uint64_is_equal(key, pnanovdb_root_tile_get_key(buf, tile)))
1754 {
1755 return tile;
1756 }
1757 tile.address = pnanovdb_address_offset(tile.address, PNANOVDB_GRID_TYPE_GET(grid_type, root_tile_size));
1758 }
1759 pnanovdb_root_tile_handle_t null_handle = { pnanovdb_address_null() };
1760 return null_handle;
1761}
1762
1763// ----------------------------- Leaf Node ---------------------------------------
1764
1765PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_leaf_coord_to_offset(PNANOVDB_IN(pnanovdb_coord_t) ijk)
1766{
1767 return (((PNANOVDB_DEREF(ijk).x & 7) >> 0) << (2 * 3)) +
1768 (((PNANOVDB_DEREF(ijk).y & 7) >> 0) << (3)) +
1769 ((PNANOVDB_DEREF(ijk).z & 7) >> 0);
1770}
1771
1772PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_leaf_get_min_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t node)
1773{
1774 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, leaf_off_min);
1775 return pnanovdb_address_offset(node.address, byte_offset);
1776}
1777
1778PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_leaf_get_max_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t node)
1779{
1780 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, leaf_off_max);
1781 return pnanovdb_address_offset(node.address, byte_offset);
1782}
1783
1784PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_leaf_get_ave_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t node)
1785{
1786 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, leaf_off_ave);
1787 return pnanovdb_address_offset(node.address, byte_offset);
1788}
1789
1790PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_leaf_get_stddev_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t node)
1791{
1792 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, leaf_off_stddev);
1793 return pnanovdb_address_offset(node.address, byte_offset);
1794}
1795
1796PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_leaf_get_table_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t node, pnanovdb_uint32_t n)
1797{
1798 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, leaf_off_table) + ((PNANOVDB_GRID_TYPE_GET(grid_type, value_stride_bits) * n) >> 3u);
1799 return pnanovdb_address_offset(node.address, byte_offset);
1800}
1801
1802PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_leaf_get_value_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, PNANOVDB_IN(pnanovdb_coord_t) ijk)
1803{
1804 pnanovdb_uint32_t n = pnanovdb_leaf_coord_to_offset(ijk);
1805 return pnanovdb_leaf_get_table_address(grid_type, buf, leaf, n);
1806}
1807
1808// ----------------------------- Leaf FP Types Specialization ---------------------------------------
1809
1810PNANOVDB_FORCE_INLINE float pnanovdb_leaf_fp_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk, pnanovdb_uint32_t value_log_bits)
1811{
1812 // value_log_bits // 2 3 4
1813 pnanovdb_uint32_t value_bits = 1u << value_log_bits; // 4 8 16
1814 pnanovdb_uint32_t value_mask = (1u << value_bits) - 1u; // 0xF 0xFF 0xFFFF
1815 pnanovdb_uint32_t values_per_word_bits = 5u - value_log_bits; // 3 2 1
1816 pnanovdb_uint32_t values_per_word_mask = (1u << values_per_word_bits) - 1u; // 7 3 1
1817
1818 pnanovdb_uint32_t n = pnanovdb_leaf_coord_to_offset(ijk);
1819 float minimum = pnanovdb_read_float(buf, pnanovdb_address_offset_neg(address, PNANOVDB_LEAF_TABLE_NEG_OFF_MINIMUM));
1820 float quantum = pnanovdb_read_float(buf, pnanovdb_address_offset_neg(address, PNANOVDB_LEAF_TABLE_NEG_OFF_QUANTUM));
1821 pnanovdb_uint32_t raw = pnanovdb_read_uint32(buf, pnanovdb_address_offset(address, ((n >> values_per_word_bits) << 2u)));
1822 pnanovdb_uint32_t value_compressed = (raw >> ((n & values_per_word_mask) << value_log_bits)) & value_mask;
1823 return pnanovdb_uint32_to_float(value_compressed) * quantum + minimum;
1824}
1825
1826PNANOVDB_FORCE_INLINE float pnanovdb_leaf_fp4_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk)
1827{
1828 return pnanovdb_leaf_fp_read_float(buf, address, ijk, 2u);
1829}
1830
1831PNANOVDB_FORCE_INLINE float pnanovdb_leaf_fp8_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk)
1832{
1833 return pnanovdb_leaf_fp_read_float(buf, address, ijk, 3u);
1834}
1835
1836PNANOVDB_FORCE_INLINE float pnanovdb_leaf_fp16_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk)
1837{
1838 return pnanovdb_leaf_fp_read_float(buf, address, ijk, 4u);
1839}
1840
1841PNANOVDB_FORCE_INLINE float pnanovdb_leaf_fpn_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk)
1842{
1843 pnanovdb_uint32_t bbox_dif_and_flags = pnanovdb_read_uint32(buf, pnanovdb_address_offset_neg(address, PNANOVDB_LEAF_TABLE_NEG_OFF_BBOX_DIF_AND_FLAGS));
1844 pnanovdb_uint32_t flags = bbox_dif_and_flags >> 24u;
1845 pnanovdb_uint32_t value_log_bits = flags >> 5; // b = 0, 1, 2, 3, 4 corresponding to 1, 2, 4, 8, 16 bits
1846 return pnanovdb_leaf_fp_read_float(buf, address, ijk, value_log_bits);
1847}
1848
1849// ----------------------------- Leaf Index Specialization ---------------------------------------
1850
1851PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_leaf_index_has_stats(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
1852{
1853 return (pnanovdb_leaf_get_bbox_dif_and_flags(buf, leaf) & (1u << 28u)) != 0u;
1854}
1855
1856PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_index_get_min_index(pnanovdb_buf_t buf, pnanovdb_address_t min_address)
1857{
1858 return pnanovdb_uint64_offset(pnanovdb_read_uint64(buf, min_address), 512u);
1859}
1860
1861PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_index_get_max_index(pnanovdb_buf_t buf, pnanovdb_address_t max_address)
1862{
1863 return pnanovdb_uint64_offset(pnanovdb_read_uint64(buf, max_address), 513u);
1864}
1865
1866PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_index_get_ave_index(pnanovdb_buf_t buf, pnanovdb_address_t ave_address)
1867{
1868 return pnanovdb_uint64_offset(pnanovdb_read_uint64(buf, ave_address), 514u);
1869}
1870
1871PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_index_get_dev_index(pnanovdb_buf_t buf, pnanovdb_address_t dev_address)
1872{
1873 return pnanovdb_uint64_offset(pnanovdb_read_uint64(buf, dev_address), 515u);
1874}
1875
1876PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_index_get_value_index(pnanovdb_buf_t buf, pnanovdb_address_t value_address, PNANOVDB_IN(pnanovdb_coord_t) ijk)
1877{
1878 pnanovdb_uint32_t n = pnanovdb_leaf_coord_to_offset(ijk);
1879 pnanovdb_uint64_t offset = pnanovdb_read_uint64(buf, value_address);
1880 return pnanovdb_uint64_offset(offset, n);
1881}
1882
1883// ----------------------------- Leaf IndexMask Specialization ---------------------------------------
1884
1885PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_leaf_indexmask_has_stats(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
1886{
1887 return pnanovdb_leaf_index_has_stats(buf, leaf);
1888}
1889PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_indexmask_get_min_index(pnanovdb_buf_t buf, pnanovdb_address_t min_address)
1890{
1891 return pnanovdb_leaf_index_get_min_index(buf, min_address);
1892}
1893PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_indexmask_get_max_index(pnanovdb_buf_t buf, pnanovdb_address_t max_address)
1894{
1895 return pnanovdb_leaf_index_get_max_index(buf, max_address);
1896}
1897PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_indexmask_get_ave_index(pnanovdb_buf_t buf, pnanovdb_address_t ave_address)
1898{
1899 return pnanovdb_leaf_index_get_ave_index(buf, ave_address);
1900}
1901PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_indexmask_get_dev_index(pnanovdb_buf_t buf, pnanovdb_address_t dev_address)
1902{
1903 return pnanovdb_leaf_index_get_dev_index(buf, dev_address);
1904}
1905PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_indexmask_get_value_index(pnanovdb_buf_t buf, pnanovdb_address_t value_address, PNANOVDB_IN(pnanovdb_coord_t) ijk)
1906{
1907 return pnanovdb_leaf_index_get_value_index(buf, value_address, ijk);
1908}
1909PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_leaf_indexmask_get_mask_bit(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t n)
1910{
1911 pnanovdb_uint32_t word_idx = n >> 5;
1912 pnanovdb_uint32_t bit_idx = n & 31;
1913 pnanovdb_uint32_t val_mask =
1914 pnanovdb_read_uint32(buf, pnanovdb_address_offset(leaf.address, 96u + 4u * word_idx));
1915 return (val_mask & (1u << bit_idx)) != 0u;
1916}
1917PNANOVDB_FORCE_INLINE void pnanovdb_leaf_indexmask_set_mask_bit(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t n, pnanovdb_bool_t v)
1918{
1919 pnanovdb_uint32_t word_idx = n >> 5;
1920 pnanovdb_uint32_t bit_idx = n & 31;
1921 pnanovdb_uint32_t val_mask =
1922 pnanovdb_read_uint32(buf, pnanovdb_address_offset(leaf.address, 96u + 4u * word_idx));
1923 if (v)
1924 {
1925 val_mask = val_mask | (1u << bit_idx);
1926 }
1927 else
1928 {
1929 val_mask = val_mask & ~(1u << bit_idx);
1930 }
1931 pnanovdb_write_uint32(buf, pnanovdb_address_offset(leaf.address, 96u + 4u * word_idx), val_mask);
1932}
1933
1934// ----------------------------- Leaf OnIndex Specialization ---------------------------------------
1935
1936PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_leaf_onindex_get_value_count(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
1937{
1938 pnanovdb_uint64_t val_mask = pnanovdb_read_uint64(buf, pnanovdb_address_offset(leaf.address, PNANOVDB_LEAF_OFF_VALUE_MASK + 8u * 7u));
1939 pnanovdb_uint64_t prefix_sum = pnanovdb_read_uint64(
1940 buf, pnanovdb_address_offset(leaf.address, PNANOVDB_GRID_TYPE_GET(PNANOVDB_GRID_TYPE_ONINDEX, leaf_off_table) + 8u));
1941 return pnanovdb_uint64_countbits(val_mask) + (pnanovdb_uint64_to_uint32_lsr(prefix_sum, 54u) & 511u);
1942}
1943
1944PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindex_get_last_offset(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
1945{
1946 return pnanovdb_uint64_offset(
1947 pnanovdb_read_uint64(buf, pnanovdb_address_offset(leaf.address, PNANOVDB_GRID_TYPE_GET(PNANOVDB_GRID_TYPE_ONINDEX, leaf_off_table))),
1948 pnanovdb_leaf_onindex_get_value_count(buf, leaf) - 1u);
1949}
1950
1951PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_leaf_onindex_has_stats(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
1952{
1953 return (pnanovdb_leaf_get_bbox_dif_and_flags(buf, leaf) & (1u << 28u)) != 0u;
1954}
1955
1956PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindex_get_min_index(pnanovdb_buf_t buf, pnanovdb_address_t min_address)
1957{
1958 pnanovdb_leaf_handle_t leaf = { pnanovdb_address_offset_neg(min_address, PNANOVDB_GRID_TYPE_GET(PNANOVDB_GRID_TYPE_ONINDEX, leaf_off_table)) };
1959 pnanovdb_uint64_t idx = pnanovdb_uint32_as_uint64_low(0u);
1960 if (pnanovdb_leaf_onindex_has_stats(buf, leaf))
1961 {
1962 idx = pnanovdb_uint64_offset(pnanovdb_leaf_onindex_get_last_offset(buf, leaf), 1u);
1963 }
1964 return idx;
1965}
1966
1967PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindex_get_max_index(pnanovdb_buf_t buf, pnanovdb_address_t max_address)
1968{
1969 pnanovdb_leaf_handle_t leaf = { pnanovdb_address_offset_neg(max_address, PNANOVDB_GRID_TYPE_GET(PNANOVDB_GRID_TYPE_ONINDEX, leaf_off_table)) };
1970 pnanovdb_uint64_t idx = pnanovdb_uint32_as_uint64_low(0u);
1971 if (pnanovdb_leaf_onindex_has_stats(buf, leaf))
1972 {
1973 idx = pnanovdb_uint64_offset(pnanovdb_leaf_onindex_get_last_offset(buf, leaf), 2u);
1974 }
1975 return idx;
1976}
1977
1978PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindex_get_ave_index(pnanovdb_buf_t buf, pnanovdb_address_t ave_address)
1979{
1980 pnanovdb_leaf_handle_t leaf = { pnanovdb_address_offset_neg(ave_address, PNANOVDB_GRID_TYPE_GET(PNANOVDB_GRID_TYPE_ONINDEX, leaf_off_table)) };
1981 pnanovdb_uint64_t idx = pnanovdb_uint32_as_uint64_low(0u);
1982 if (pnanovdb_leaf_onindex_has_stats(buf, leaf))
1983 {
1984 idx = pnanovdb_uint64_offset(pnanovdb_leaf_onindex_get_last_offset(buf, leaf), 3u);
1985 }
1986 return idx;
1987}
1988
1989PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindex_get_dev_index(pnanovdb_buf_t buf, pnanovdb_address_t dev_address)
1990{
1991 pnanovdb_leaf_handle_t leaf = { pnanovdb_address_offset_neg(dev_address, PNANOVDB_GRID_TYPE_GET(PNANOVDB_GRID_TYPE_ONINDEX, leaf_off_table)) };
1992 pnanovdb_uint64_t idx = pnanovdb_uint32_as_uint64_low(0u);
1993 if (pnanovdb_leaf_onindex_has_stats(buf, leaf))
1994 {
1995 idx = pnanovdb_uint64_offset(pnanovdb_leaf_onindex_get_last_offset(buf, leaf), 4u);
1996 }
1997 return idx;
1998}
1999
2000PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindex_get_value_index(pnanovdb_buf_t buf, pnanovdb_address_t value_address, PNANOVDB_IN(pnanovdb_coord_t) ijk)
2001{
2002 pnanovdb_uint32_t n = pnanovdb_leaf_coord_to_offset(ijk);
2003 pnanovdb_leaf_handle_t leaf = { pnanovdb_address_offset_neg(value_address, PNANOVDB_GRID_TYPE_GET(PNANOVDB_GRID_TYPE_ONINDEX, leaf_off_table)) };
2004
2005 pnanovdb_uint32_t word_idx = n >> 6u;
2006 pnanovdb_uint32_t bit_idx = n & 63u;
2007 pnanovdb_uint64_t val_mask = pnanovdb_read_uint64(buf, pnanovdb_address_offset(leaf.address, PNANOVDB_LEAF_OFF_VALUE_MASK + 8u * word_idx));
2008 pnanovdb_uint64_t mask = pnanovdb_uint64_bit_mask(bit_idx);
2009 pnanovdb_uint64_t value_index = pnanovdb_uint32_as_uint64_low(0u);
2010 if (pnanovdb_uint64_any_bit(pnanovdb_uint64_and(val_mask, mask)))
2011 {
2012 pnanovdb_uint32_t sum = 0u;
2013 sum += pnanovdb_uint64_countbits(pnanovdb_uint64_and(val_mask, pnanovdb_uint64_dec(mask)));
2014 if (word_idx > 0u)
2015 {
2016 pnanovdb_uint64_t prefix_sum = pnanovdb_read_uint64(buf, pnanovdb_address_offset(value_address, 8u));
2017 sum += pnanovdb_uint64_to_uint32_lsr(prefix_sum, 9u * (word_idx - 1u)) & 511u;
2018 }
2019 pnanovdb_uint64_t offset = pnanovdb_read_uint64(buf, value_address);
2020 value_index = pnanovdb_uint64_offset(offset, sum);
2021 }
2022 return value_index;
2023}
2024
2025// ----------------------------- Leaf OnIndexMask Specialization ---------------------------------------
2026
2027PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_leaf_onindexmask_get_value_count(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
2028{
2029 return pnanovdb_leaf_onindex_get_value_count(buf, leaf);
2030}
2031PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindexmask_get_last_offset(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
2032{
2033 return pnanovdb_leaf_onindex_get_last_offset(buf, leaf);
2034}
2035PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_leaf_onindexmask_has_stats(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
2036{
2037 return pnanovdb_leaf_onindex_has_stats(buf, leaf);
2038}
2039PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindexmask_get_min_index(pnanovdb_buf_t buf, pnanovdb_address_t min_address)
2040{
2041 return pnanovdb_leaf_onindex_get_min_index(buf, min_address);
2042}
2043PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindexmask_get_max_index(pnanovdb_buf_t buf, pnanovdb_address_t max_address)
2044{
2045 return pnanovdb_leaf_onindex_get_max_index(buf, max_address);
2046}
2047PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindexmask_get_ave_index(pnanovdb_buf_t buf, pnanovdb_address_t ave_address)
2048{
2049 return pnanovdb_leaf_onindex_get_ave_index(buf, ave_address);
2050}
2051PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindexmask_get_dev_index(pnanovdb_buf_t buf, pnanovdb_address_t dev_address)
2052{
2053 return pnanovdb_leaf_onindex_get_dev_index(buf, dev_address);
2054}
2055PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindexmask_get_value_index(pnanovdb_buf_t buf, pnanovdb_address_t value_address, PNANOVDB_IN(pnanovdb_coord_t) ijk)
2056{
2057 return pnanovdb_leaf_onindex_get_value_index(buf, value_address, ijk);
2058}
2059PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_leaf_onindexmask_get_mask_bit(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t n)
2060{
2061 pnanovdb_uint32_t word_idx = n >> 5;
2062 pnanovdb_uint32_t bit_idx = n & 31;
2063 pnanovdb_uint32_t val_mask =
2064 pnanovdb_read_uint32(buf, pnanovdb_address_offset(leaf.address, 96u + 4u * word_idx));
2065 return (val_mask & (1u << bit_idx)) != 0u;
2066}
2067PNANOVDB_FORCE_INLINE void pnanovdb_leaf_onindexmask_set_mask_bit(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t n, pnanovdb_bool_t v)
2068{
2069 pnanovdb_uint32_t word_idx = n >> 5;
2070 pnanovdb_uint32_t bit_idx = n & 31;
2071 pnanovdb_uint32_t val_mask =
2072 pnanovdb_read_uint32(buf, pnanovdb_address_offset(leaf.address, 96u + 4u * word_idx));
2073 if (v)
2074 {
2075 val_mask = val_mask | (1u << bit_idx);
2076 }
2077 else
2078 {
2079 val_mask = val_mask & ~(1u << bit_idx);
2080 }
2081 pnanovdb_write_uint32(buf, pnanovdb_address_offset(leaf.address, 96u + 4u * word_idx), val_mask);
2082}
2083
2084// ----------------------------- Leaf PointIndex Specialization ---------------------------------------
2085
2086PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_pointindex_get_offset(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
2087{
2088 return pnanovdb_read_uint64(buf, pnanovdb_leaf_get_min_address(PNANOVDB_GRID_TYPE_POINTINDEX, buf, leaf));
2089}
2090PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_pointindex_get_point_count(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
2091{
2092 return pnanovdb_read_uint64(buf, pnanovdb_leaf_get_max_address(PNANOVDB_GRID_TYPE_POINTINDEX, buf, leaf));
2093}
2094PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_pointindex_get_first(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t i)
2095{
2096 return pnanovdb_uint64_offset(pnanovdb_leaf_pointindex_get_offset(buf, leaf),
2097 (i == 0u ? 0u : pnanovdb_read_uint16(buf, pnanovdb_leaf_get_table_address(PNANOVDB_GRID_TYPE_POINTINDEX, buf, leaf, i - 1u))));
2098}
2099PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_pointindex_get_last(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t i)
2100{
2101 return pnanovdb_uint64_offset(pnanovdb_leaf_pointindex_get_offset(buf, leaf),
2102 pnanovdb_read_uint16(buf, pnanovdb_leaf_get_table_address(PNANOVDB_GRID_TYPE_POINTINDEX, buf, leaf, i)));
2103}
2104PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_pointindex_get_value(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t i)
2105{
2106 return pnanovdb_uint32_as_uint64_low(pnanovdb_read_uint16(buf, pnanovdb_leaf_get_table_address(PNANOVDB_GRID_TYPE_POINTINDEX, buf, leaf, i)));
2107}
2108PNANOVDB_FORCE_INLINE void pnanovdb_leaf_pointindex_set_value_only(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t i, pnanovdb_uint32_t value)
2109{
2110 pnanovdb_address_t addr = pnanovdb_leaf_get_table_address(PNANOVDB_GRID_TYPE_POINTINDEX, buf, leaf, i);
2111 pnanovdb_uint32_t raw32 = pnanovdb_read_uint32(buf, pnanovdb_address_mask_inv(addr, 3u));
2112 if ((i & 1) == 0u)
2113 {
2114 raw32 = (raw32 & 0xFFFF0000) | (value & 0x0000FFFF);
2115 }
2116 else
2117 {
2118 raw32 = (raw32 & 0x0000FFFF) | (value << 16u);
2119 }
2120 pnanovdb_write_uint32(buf, addr, raw32);
2121}
2122PNANOVDB_FORCE_INLINE void pnanovdb_leaf_pointindex_set_on(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t i)
2123{
2124 pnanovdb_uint32_t word_idx = i >> 5;
2125 pnanovdb_uint32_t bit_idx = i & 31;
2126 pnanovdb_address_t addr = pnanovdb_address_offset(leaf.address, PNANOVDB_LEAF_OFF_VALUE_MASK + 4u * word_idx);
2127 pnanovdb_uint32_t val_mask = pnanovdb_read_uint32(buf, addr);
2128 val_mask = val_mask | (1u << bit_idx);
2129 pnanovdb_write_uint32(buf, addr, val_mask);
2130}
2131PNANOVDB_FORCE_INLINE void pnanovdb_leaf_pointindex_set_value(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t i, pnanovdb_uint32_t value)
2132{
2133 pnanovdb_leaf_pointindex_set_on(buf, leaf, i);
2134 pnanovdb_leaf_pointindex_set_value_only(buf, leaf, i, value);
2135}
2136
2137// ------------------------------------------------ Lower Node -----------------------------------------------------------
2138
2139PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_lower_coord_to_offset(PNANOVDB_IN(pnanovdb_coord_t) ijk)
2140{
2141 return (((PNANOVDB_DEREF(ijk).x & 127) >> 3) << (2 * 4)) +
2142 (((PNANOVDB_DEREF(ijk).y & 127) >> 3) << (4)) +
2143 ((PNANOVDB_DEREF(ijk).z & 127) >> 3);
2144}
2145
2146PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_min_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t node)
2147{
2148 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, lower_off_min);
2149 return pnanovdb_address_offset(node.address, byte_offset);
2150}
2151
2152PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_max_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t node)
2153{
2154 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, lower_off_max);
2155 return pnanovdb_address_offset(node.address, byte_offset);
2156}
2157
2158PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_ave_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t node)
2159{
2160 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, lower_off_ave);
2161 return pnanovdb_address_offset(node.address, byte_offset);
2162}
2163
2164PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_stddev_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t node)
2165{
2166 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, lower_off_stddev);
2167 return pnanovdb_address_offset(node.address, byte_offset);
2168}
2169
2170PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_table_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t node, pnanovdb_uint32_t n)
2171{
2172 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, lower_off_table) + PNANOVDB_GRID_TYPE_GET(grid_type, table_stride) * n;
2173 return pnanovdb_address_offset(node.address, byte_offset);
2174}
2175
2176PNANOVDB_FORCE_INLINE pnanovdb_int64_t pnanovdb_lower_get_table_child(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t node, pnanovdb_uint32_t n)
2177{
2178 pnanovdb_address_t table_address = pnanovdb_lower_get_table_address(grid_type, buf, node, n);
2179 return pnanovdb_read_int64(buf, table_address);
2180}
2181
2182PNANOVDB_FORCE_INLINE pnanovdb_leaf_handle_t pnanovdb_lower_get_child(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t lower, pnanovdb_uint32_t n)
2183{
2184 pnanovdb_leaf_handle_t leaf = { lower.address };
2185 leaf.address = pnanovdb_address_offset64(leaf.address, pnanovdb_int64_as_uint64(pnanovdb_lower_get_table_child(grid_type, buf, lower, n)));
2186 return leaf;
2187}
2188
2189PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_value_address_and_level(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t lower, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_uint32_t) level)
2190{
2191 pnanovdb_uint32_t n = pnanovdb_lower_coord_to_offset(ijk);
2192 pnanovdb_address_t value_address;
2193 if (pnanovdb_lower_get_child_mask(buf, lower, n))
2194 {
2195 pnanovdb_leaf_handle_t child = pnanovdb_lower_get_child(grid_type, buf, lower, n);
2196 value_address = pnanovdb_leaf_get_value_address(grid_type, buf, child, ijk);
2197 PNANOVDB_DEREF(level) = 0u;
2198 }
2199 else
2200 {
2201 value_address = pnanovdb_lower_get_table_address(grid_type, buf, lower, n);
2202 PNANOVDB_DEREF(level) = 1u;
2203 }
2204 return value_address;
2205}
2206
2207PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_value_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t lower, PNANOVDB_IN(pnanovdb_coord_t) ijk)
2208{
2209 pnanovdb_uint32_t level;
2210 return pnanovdb_lower_get_value_address_and_level(grid_type, buf, lower, ijk, PNANOVDB_REF(level));
2211}
2212
2213// ------------------------------------------------ Upper Node -----------------------------------------------------------
2214
2215PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_upper_coord_to_offset(PNANOVDB_IN(pnanovdb_coord_t) ijk)
2216{
2217 return (((PNANOVDB_DEREF(ijk).x & 4095) >> 7) << (2 * 5)) +
2218 (((PNANOVDB_DEREF(ijk).y & 4095) >> 7) << (5)) +
2219 ((PNANOVDB_DEREF(ijk).z & 4095) >> 7);
2220}
2221
2222PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_min_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t node)
2223{
2224 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, upper_off_min);
2225 return pnanovdb_address_offset(node.address, byte_offset);
2226}
2227
2228PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_max_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t node)
2229{
2230 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, upper_off_max);
2231 return pnanovdb_address_offset(node.address, byte_offset);
2232}
2233
2234PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_ave_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t node)
2235{
2236 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, upper_off_ave);
2237 return pnanovdb_address_offset(node.address, byte_offset);
2238}
2239
2240PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_stddev_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t node)
2241{
2242 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, upper_off_stddev);
2243 return pnanovdb_address_offset(node.address, byte_offset);
2244}
2245
2246PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_table_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t node, pnanovdb_uint32_t n)
2247{
2248 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, upper_off_table) + PNANOVDB_GRID_TYPE_GET(grid_type, table_stride) * n;
2249 return pnanovdb_address_offset(node.address, byte_offset);
2250}
2251
2252PNANOVDB_FORCE_INLINE pnanovdb_int64_t pnanovdb_upper_get_table_child(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t node, pnanovdb_uint32_t n)
2253{
2254 pnanovdb_address_t bufAddress = pnanovdb_upper_get_table_address(grid_type, buf, node, n);
2255 return pnanovdb_read_int64(buf, bufAddress);
2256}
2257
2258PNANOVDB_FORCE_INLINE pnanovdb_lower_handle_t pnanovdb_upper_get_child(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t upper, pnanovdb_uint32_t n)
2259{
2260 pnanovdb_lower_handle_t lower = { upper.address };
2261 lower.address = pnanovdb_address_offset64(lower.address, pnanovdb_int64_as_uint64(pnanovdb_upper_get_table_child(grid_type, buf, upper, n)));
2262 return lower;
2263}
2264
2265PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_value_address_and_level(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t upper, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_uint32_t) level)
2266{
2267 pnanovdb_uint32_t n = pnanovdb_upper_coord_to_offset(ijk);
2268 pnanovdb_address_t value_address;
2269 if (pnanovdb_upper_get_child_mask(buf, upper, n))
2270 {
2271 pnanovdb_lower_handle_t child = pnanovdb_upper_get_child(grid_type, buf, upper, n);
2272 value_address = pnanovdb_lower_get_value_address_and_level(grid_type, buf, child, ijk, level);
2273 }
2274 else
2275 {
2276 value_address = pnanovdb_upper_get_table_address(grid_type, buf, upper, n);
2277 PNANOVDB_DEREF(level) = 2u;
2278 }
2279 return value_address;
2280}
2281
2282PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_value_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t upper, PNANOVDB_IN(pnanovdb_coord_t) ijk)
2283{
2284 pnanovdb_uint32_t level;
2285 return pnanovdb_upper_get_value_address_and_level(grid_type, buf, upper, ijk, PNANOVDB_REF(level));
2286}
2287
2288PNANOVDB_FORCE_INLINE void pnanovdb_upper_set_table_child(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t node, pnanovdb_uint32_t n, pnanovdb_int64_t child)
2289{
2290 pnanovdb_address_t bufAddress = pnanovdb_upper_get_table_address(grid_type, buf, node, n);
2291 pnanovdb_write_int64(buf, bufAddress, child);
2292}
2293
2294// ------------------------------------------------ Root -----------------------------------------------------------
2295
2296PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_min_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root)
2297{
2298 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, root_off_min);
2299 return pnanovdb_address_offset(root.address, byte_offset);
2300}
2301
2302PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_max_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root)
2303{
2304 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, root_off_max);
2305 return pnanovdb_address_offset(root.address, byte_offset);
2306}
2307
2308PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_ave_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root)
2309{
2310 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, root_off_ave);
2311 return pnanovdb_address_offset(root.address, byte_offset);
2312}
2313
2314PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_stddev_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root)
2315{
2316 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, root_off_stddev);
2317 return pnanovdb_address_offset(root.address, byte_offset);
2318}
2319
2320PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_tile_get_value_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_tile_handle_t root_tile)
2321{
2322 pnanovdb_uint32_t byte_offset = PNANOVDB_GRID_TYPE_GET(grid_type, root_tile_off_value);
2323 return pnanovdb_address_offset(root_tile.address, byte_offset);
2324}
2325
2326PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_value_address_and_level(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_uint32_t) level)
2327{
2328 pnanovdb_root_tile_handle_t tile = pnanovdb_root_find_tile(grid_type, buf, root, ijk);
2329 pnanovdb_address_t ret;
2330 if (pnanovdb_address_is_null(tile.address))
2331 {
2332 ret = pnanovdb_address_offset(root.address, PNANOVDB_GRID_TYPE_GET(grid_type, root_off_background));
2333 PNANOVDB_DEREF(level) = 4u;
2334 }
2335 else if (pnanovdb_int64_is_zero(pnanovdb_root_tile_get_child(buf, tile)))
2336 {
2337 ret = pnanovdb_address_offset(tile.address, PNANOVDB_GRID_TYPE_GET(grid_type, root_tile_off_value));
2338 PNANOVDB_DEREF(level) = 3u;
2339 }
2340 else
2341 {
2342 pnanovdb_upper_handle_t child = pnanovdb_root_get_child(grid_type, buf, root, tile);
2343 ret = pnanovdb_upper_get_value_address_and_level(grid_type, buf, child, ijk, level);
2344 }
2345 return ret;
2346}
2347
2348PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_value_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, PNANOVDB_IN(pnanovdb_coord_t) ijk)
2349{
2350 pnanovdb_uint32_t level;
2351 return pnanovdb_root_get_value_address_and_level(grid_type, buf, root, ijk, PNANOVDB_REF(level));
2352}
2353
2354PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_value_address_bit(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_uint32_t) bit_index)
2355{
2356 pnanovdb_uint32_t level;
2357 pnanovdb_address_t address = pnanovdb_root_get_value_address_and_level(grid_type, buf, root, ijk, PNANOVDB_REF(level));
2358 PNANOVDB_DEREF(bit_index) = level == 0u ? pnanovdb_int32_as_uint32(PNANOVDB_DEREF(ijk).x & 7) : 0u;
2359 return address;
2360}
2361
2362PNANOVDB_FORCE_INLINE float pnanovdb_root_fp4_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk, pnanovdb_uint32_t level)
2363{
2364 float ret;
2365 if (level == 0)
2366 {
2367 ret = pnanovdb_leaf_fp4_read_float(buf, address, ijk);
2368 }
2369 else
2370 {
2371 ret = pnanovdb_read_float(buf, address);
2372 }
2373 return ret;
2374}
2375
2376PNANOVDB_FORCE_INLINE float pnanovdb_root_fp8_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk, pnanovdb_uint32_t level)
2377{
2378 float ret;
2379 if (level == 0)
2380 {
2381 ret = pnanovdb_leaf_fp8_read_float(buf, address, ijk);
2382 }
2383 else
2384 {
2385 ret = pnanovdb_read_float(buf, address);
2386 }
2387 return ret;
2388}
2389
2390PNANOVDB_FORCE_INLINE float pnanovdb_root_fp16_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk, pnanovdb_uint32_t level)
2391{
2392 float ret;
2393 if (level == 0)
2394 {
2395 ret = pnanovdb_leaf_fp16_read_float(buf, address, ijk);
2396 }
2397 else
2398 {
2399 ret = pnanovdb_read_float(buf, address);
2400 }
2401 return ret;
2402}
2403
2404PNANOVDB_FORCE_INLINE float pnanovdb_root_fpn_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk, pnanovdb_uint32_t level)
2405{
2406 float ret;
2407 if (level == 0)
2408 {
2409 ret = pnanovdb_leaf_fpn_read_float(buf, address, ijk);
2410 }
2411 else
2412 {
2413 ret = pnanovdb_read_float(buf, address);
2414 }
2415 return ret;
2416}
2417
2418PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_root_index_get_value_index(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk, pnanovdb_uint32_t level)
2419{
2420 pnanovdb_uint64_t ret;
2421 if (level == 0)
2422 {
2423 ret = pnanovdb_leaf_index_get_value_index(buf, address, ijk);
2424 }
2425 else
2426 {
2427 ret = pnanovdb_read_uint64(buf, address);
2428 }
2429 return ret;
2430}
2431
2432PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_root_onindex_get_value_index(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk, pnanovdb_uint32_t level)
2433{
2434 pnanovdb_uint64_t ret;
2435 if (level == 0)
2436 {
2437 ret = pnanovdb_leaf_onindex_get_value_index(buf, address, ijk);
2438 }
2439 else
2440 {
2441 ret = pnanovdb_read_uint64(buf, address);
2442 }
2443 return ret;
2444}
2445
2446PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_root_pointindex_get_point_range(
2447 pnanovdb_buf_t buf,
2448 pnanovdb_address_t value_address,
2449 PNANOVDB_IN(pnanovdb_coord_t) ijk,
2450 pnanovdb_uint32_t level,
2451 PNANOVDB_INOUT(pnanovdb_uint64_t)range_begin,
2452 PNANOVDB_INOUT(pnanovdb_uint64_t)range_end
2453)
2454{
2455 pnanovdb_uint32_t local_range_begin = 0u;
2456 pnanovdb_uint32_t local_range_end = 0u;
2457 pnanovdb_uint64_t offset = pnanovdb_uint32_as_uint64_low(0u);
2458 if (level == 0)
2459 {
2460 pnanovdb_uint32_t n = pnanovdb_leaf_coord_to_offset(ijk);
2461 // recover leaf address
2462 pnanovdb_leaf_handle_t leaf = { pnanovdb_address_offset_neg(value_address, PNANOVDB_GRID_TYPE_GET(PNANOVDB_GRID_TYPE_POINTINDEX, leaf_off_table) + 2u * n) };
2463 if (n > 0u)
2464 {
2465 local_range_begin = pnanovdb_read_uint16(buf, pnanovdb_address_offset_neg(value_address, 2u));
2466 }
2467 local_range_end = pnanovdb_read_uint16(buf, value_address);
2468 offset = pnanovdb_leaf_pointindex_get_offset(buf, leaf);
2469 }
2470 PNANOVDB_DEREF(range_begin) = pnanovdb_uint64_offset(offset, local_range_begin);
2471 PNANOVDB_DEREF(range_end) = pnanovdb_uint64_offset(offset, local_range_end);
2472 return pnanovdb_uint32_as_uint64_low(local_range_end - local_range_begin);
2473}
2474
2475PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_root_pointindex_get_point_address_range(
2476 pnanovdb_buf_t buf,
2477 pnanovdb_grid_type_t value_type,
2478 pnanovdb_address_t value_address,
2479 pnanovdb_address_t blindmetadata_value_address,
2480 PNANOVDB_IN(pnanovdb_coord_t) ijk,
2481 pnanovdb_uint32_t level,
2482 PNANOVDB_INOUT(pnanovdb_address_t)address_begin,
2483 PNANOVDB_INOUT(pnanovdb_address_t)address_end
2484)
2485{
2486 pnanovdb_uint64_t range_begin;
2487 pnanovdb_uint64_t range_end;
2488 pnanovdb_uint64_t range_size = pnanovdb_root_pointindex_get_point_range(buf, value_address, ijk, level, PNANOVDB_REF(range_begin), PNANOVDB_REF(range_end));
2489
2490 pnanovdb_uint32_t stride = 12u; // vec3f
2491 if (value_type == PNANOVDB_GRID_TYPE_VEC3U8)
2492 {
2493 stride = 3u;
2494 }
2495 else if (value_type == PNANOVDB_GRID_TYPE_VEC3U16)
2496 {
2497 stride = 6u;
2498 }
2499 PNANOVDB_DEREF(address_begin) = pnanovdb_address_offset64_product(blindmetadata_value_address, range_begin, stride);
2500 PNANOVDB_DEREF(address_end) = pnanovdb_address_offset64_product(blindmetadata_value_address, range_end, stride);
2501 return range_size;
2502}
2503
2504// ------------------------------------------------ ReadAccessor -----------------------------------------------------------
2505
2506 struct pnanovdb_readaccessor_t
2507{
2508 pnanovdb_coord_t key;
2509 pnanovdb_leaf_handle_t leaf;
2510 pnanovdb_lower_handle_t lower;
2511 pnanovdb_upper_handle_t upper;
2512 pnanovdb_root_handle_t root;
2513};
2514PNANOVDB_STRUCT_TYPEDEF(pnanovdb_readaccessor_t)
2515
2516PNANOVDB_FORCE_INLINE void pnanovdb_readaccessor_init(PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, pnanovdb_root_handle_t root)
2517{
2518 PNANOVDB_DEREF(acc).key.x = 0x7FFFFFFF;
2519 PNANOVDB_DEREF(acc).key.y = 0x7FFFFFFF;
2520 PNANOVDB_DEREF(acc).key.z = 0x7FFFFFFF;
2521 PNANOVDB_DEREF(acc).leaf.address = pnanovdb_address_null();
2522 PNANOVDB_DEREF(acc).lower.address = pnanovdb_address_null();
2523 PNANOVDB_DEREF(acc).upper.address = pnanovdb_address_null();
2524 PNANOVDB_DEREF(acc).root = root;
2525}
2526
2527PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_readaccessor_iscached0(PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, int dirty)
2528{
2529 if (pnanovdb_address_is_null(PNANOVDB_DEREF(acc).leaf.address)) { return PNANOVDB_FALSE; }
2530 if ((dirty & ~((1u << 3) - 1u)) != 0)
2531 {
2532 PNANOVDB_DEREF(acc).leaf.address = pnanovdb_address_null();
2533 return PNANOVDB_FALSE;
2534 }
2535 return PNANOVDB_TRUE;
2536}
2537PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_readaccessor_iscached1(PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, int dirty)
2538{
2539 if (pnanovdb_address_is_null(PNANOVDB_DEREF(acc).lower.address)) { return PNANOVDB_FALSE; }
2540 if ((dirty & ~((1u << 7) - 1u)) != 0)
2541 {
2542 PNANOVDB_DEREF(acc).lower.address = pnanovdb_address_null();
2543 return PNANOVDB_FALSE;
2544 }
2545 return PNANOVDB_TRUE;
2546}
2547PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_readaccessor_iscached2(PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, int dirty)
2548{
2549 if (pnanovdb_address_is_null(PNANOVDB_DEREF(acc).upper.address)) { return PNANOVDB_FALSE; }
2550 if ((dirty & ~((1u << 12) - 1u)) != 0)
2551 {
2552 PNANOVDB_DEREF(acc).upper.address = pnanovdb_address_null();
2553 return PNANOVDB_FALSE;
2554 }
2555 return PNANOVDB_TRUE;
2556}
2557PNANOVDB_FORCE_INLINE int pnanovdb_readaccessor_computedirty(PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_IN(pnanovdb_coord_t) ijk)
2558{
2559 return (PNANOVDB_DEREF(ijk).x ^ PNANOVDB_DEREF(acc).key.x) | (PNANOVDB_DEREF(ijk).y ^ PNANOVDB_DEREF(acc).key.y) | (PNANOVDB_DEREF(ijk).z ^ PNANOVDB_DEREF(acc).key.z);
2560}
2561
2562PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_leaf_get_value_address_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
2563{
2564 pnanovdb_uint32_t n = pnanovdb_leaf_coord_to_offset(ijk);
2565 return pnanovdb_leaf_get_table_address(grid_type, buf, leaf, n);
2566}
2567
2568PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_value_address_and_level_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t lower, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_INOUT(pnanovdb_uint32_t) level)
2569{
2570 pnanovdb_uint32_t n = pnanovdb_lower_coord_to_offset(ijk);
2571 pnanovdb_address_t value_address;
2572 if (pnanovdb_lower_get_child_mask(buf, lower, n))
2573 {
2574 pnanovdb_leaf_handle_t child = pnanovdb_lower_get_child(grid_type, buf, lower, n);
2575 PNANOVDB_DEREF(acc).leaf = child;
2576 PNANOVDB_DEREF(acc).key = PNANOVDB_DEREF(ijk);
2577 value_address = pnanovdb_leaf_get_value_address_and_cache(grid_type, buf, child, ijk, acc);
2578 PNANOVDB_DEREF(level) = 0u;
2579 }
2580 else
2581 {
2582 value_address = pnanovdb_lower_get_table_address(grid_type, buf, lower, n);
2583 PNANOVDB_DEREF(level) = 1u;
2584 }
2585 return value_address;
2586}
2587
2588PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_value_address_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t lower, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
2589{
2590 pnanovdb_uint32_t level;
2591 return pnanovdb_lower_get_value_address_and_level_and_cache(grid_type, buf, lower, ijk, acc, PNANOVDB_REF(level));
2592}
2593
2594PNANOVDB_FORCE_INLINE void pnanovdb_lower_set_table_child(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t node, pnanovdb_uint32_t n, pnanovdb_int64_t child)
2595{
2596 pnanovdb_address_t table_address = pnanovdb_lower_get_table_address(grid_type, buf, node, n);
2597 pnanovdb_write_int64(buf, table_address, child);
2598}
2599
2600PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_value_address_and_level_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t upper, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_INOUT(pnanovdb_uint32_t) level)
2601{
2602 pnanovdb_uint32_t n = pnanovdb_upper_coord_to_offset(ijk);
2603 pnanovdb_address_t value_address;
2604 if (pnanovdb_upper_get_child_mask(buf, upper, n))
2605 {
2606 pnanovdb_lower_handle_t child = pnanovdb_upper_get_child(grid_type, buf, upper, n);
2607 PNANOVDB_DEREF(acc).lower = child;
2608 PNANOVDB_DEREF(acc).key = PNANOVDB_DEREF(ijk);
2609 value_address = pnanovdb_lower_get_value_address_and_level_and_cache(grid_type, buf, child, ijk, acc, level);
2610 }
2611 else
2612 {
2613 value_address = pnanovdb_upper_get_table_address(grid_type, buf, upper, n);
2614 PNANOVDB_DEREF(level) = 2u;
2615 }
2616 return value_address;
2617}
2618
2619PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_value_address_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t upper, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
2620{
2621 pnanovdb_uint32_t level;
2622 return pnanovdb_upper_get_value_address_and_level_and_cache(grid_type, buf, upper, ijk, acc, PNANOVDB_REF(level));
2623}
2624
2625PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_value_address_and_level_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_INOUT(pnanovdb_uint32_t) level)
2626{
2627 pnanovdb_root_tile_handle_t tile = pnanovdb_root_find_tile(grid_type, buf, root, ijk);
2628 pnanovdb_address_t ret;
2629 if (pnanovdb_address_is_null(tile.address))
2630 {
2631 ret = pnanovdb_address_offset(root.address, PNANOVDB_GRID_TYPE_GET(grid_type, root_off_background));
2632 PNANOVDB_DEREF(level) = 4u;
2633 }
2634 else if (pnanovdb_int64_is_zero(pnanovdb_root_tile_get_child(buf, tile)))
2635 {
2636 ret = pnanovdb_address_offset(tile.address, PNANOVDB_GRID_TYPE_GET(grid_type, root_tile_off_value));
2637 PNANOVDB_DEREF(level) = 3u;
2638 }
2639 else
2640 {
2641 pnanovdb_upper_handle_t child = pnanovdb_root_get_child(grid_type, buf, root, tile);
2642 PNANOVDB_DEREF(acc).upper = child;
2643 PNANOVDB_DEREF(acc).key = PNANOVDB_DEREF(ijk);
2644 ret = pnanovdb_upper_get_value_address_and_level_and_cache(grid_type, buf, child, ijk, acc, level);
2645 }
2646 return ret;
2647}
2648
2649PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_value_address_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
2650{
2651 pnanovdb_uint32_t level;
2652 return pnanovdb_root_get_value_address_and_level_and_cache(grid_type, buf, root, ijk, acc, PNANOVDB_REF(level));
2653}
2654
2655PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_readaccessor_get_value_address_and_level(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_uint32_t) level)
2656{
2657 int dirty = pnanovdb_readaccessor_computedirty(acc, ijk);
2658
2659 pnanovdb_address_t value_address;
2660 if (pnanovdb_readaccessor_iscached0(acc, dirty))
2661 {
2662 value_address = pnanovdb_leaf_get_value_address_and_cache(grid_type, buf, PNANOVDB_DEREF(acc).leaf, ijk, acc);
2663 PNANOVDB_DEREF(level) = 0u;
2664 }
2665 else if (pnanovdb_readaccessor_iscached1(acc, dirty))
2666 {
2667 value_address = pnanovdb_lower_get_value_address_and_level_and_cache(grid_type, buf, PNANOVDB_DEREF(acc).lower, ijk, acc, level);
2668 }
2669 else if (pnanovdb_readaccessor_iscached2(acc, dirty))
2670 {
2671 value_address = pnanovdb_upper_get_value_address_and_level_and_cache(grid_type, buf, PNANOVDB_DEREF(acc).upper, ijk, acc, level);
2672 }
2673 else
2674 {
2675 value_address = pnanovdb_root_get_value_address_and_level_and_cache(grid_type, buf, PNANOVDB_DEREF(acc).root, ijk, acc, level);
2676 }
2677 return value_address;
2678}
2679
2680PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_readaccessor_get_value_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_IN(pnanovdb_coord_t) ijk)
2681{
2682 pnanovdb_uint32_t level;
2683 return pnanovdb_readaccessor_get_value_address_and_level(grid_type, buf, acc, ijk, PNANOVDB_REF(level));
2684}
2685
2686PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_readaccessor_get_value_address_bit(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_uint32_t) bit_index)
2687{
2688 pnanovdb_uint32_t level;
2689 pnanovdb_address_t address = pnanovdb_readaccessor_get_value_address_and_level(grid_type, buf, acc, ijk, PNANOVDB_REF(level));
2690 PNANOVDB_DEREF(bit_index) = level == 0u ? pnanovdb_int32_as_uint32(PNANOVDB_DEREF(ijk).x & 7) : 0u;
2691 return address;
2692}
2693
2694// ------------------------------------------------ ReadAccessor GetDim -----------------------------------------------------------
2695
2696PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_leaf_get_dim_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
2697{
2698 return 1u;
2699}
2700
2701PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_lower_get_dim_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t lower, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
2702{
2703 pnanovdb_uint32_t n = pnanovdb_lower_coord_to_offset(ijk);
2704 pnanovdb_uint32_t ret;
2705 if (pnanovdb_lower_get_child_mask(buf, lower, n))
2706 {
2707 pnanovdb_leaf_handle_t child = pnanovdb_lower_get_child(grid_type, buf, lower, n);
2708 PNANOVDB_DEREF(acc).leaf = child;
2709 PNANOVDB_DEREF(acc).key = PNANOVDB_DEREF(ijk);
2710 ret = pnanovdb_leaf_get_dim_and_cache(grid_type, buf, child, ijk, acc);
2711 }
2712 else
2713 {
2714 ret = (1u << (3u)); // node 0 dim
2715 }
2716 return ret;
2717}
2718
2719PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_upper_get_dim_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t upper, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
2720{
2721 pnanovdb_uint32_t n = pnanovdb_upper_coord_to_offset(ijk);
2722 pnanovdb_uint32_t ret;
2723 if (pnanovdb_upper_get_child_mask(buf, upper, n))
2724 {
2725 pnanovdb_lower_handle_t child = pnanovdb_upper_get_child(grid_type, buf, upper, n);
2726 PNANOVDB_DEREF(acc).lower = child;
2727 PNANOVDB_DEREF(acc).key = PNANOVDB_DEREF(ijk);
2728 ret = pnanovdb_lower_get_dim_and_cache(grid_type, buf, child, ijk, acc);
2729 }
2730 else
2731 {
2732 ret = (1u << (4u + 3u)); // node 1 dim
2733 }
2734 return ret;
2735}
2736
2737PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_root_get_dim_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
2738{
2739 pnanovdb_root_tile_handle_t tile = pnanovdb_root_find_tile(grid_type, buf, root, ijk);
2740 pnanovdb_uint32_t ret;
2741 if (pnanovdb_address_is_null(tile.address))
2742 {
2743 ret = 1u << (5u + 4u + 3u); // background, node 2 dim
2744 }
2745 else if (pnanovdb_int64_is_zero(pnanovdb_root_tile_get_child(buf, tile)))
2746 {
2747 ret = 1u << (5u + 4u + 3u); // tile value, node 2 dim
2748 }
2749 else
2750 {
2751 pnanovdb_upper_handle_t child = pnanovdb_root_get_child(grid_type, buf, root, tile);
2752 PNANOVDB_DEREF(acc).upper = child;
2753 PNANOVDB_DEREF(acc).key = PNANOVDB_DEREF(ijk);
2754 ret = pnanovdb_upper_get_dim_and_cache(grid_type, buf, child, ijk, acc);
2755 }
2756 return ret;
2757}
2758
2759PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_readaccessor_get_dim(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_IN(pnanovdb_coord_t) ijk)
2760{
2761 int dirty = pnanovdb_readaccessor_computedirty(acc, ijk);
2762
2763 pnanovdb_uint32_t dim;
2764 if (pnanovdb_readaccessor_iscached0(acc, dirty))
2765 {
2766 dim = pnanovdb_leaf_get_dim_and_cache(grid_type, buf, PNANOVDB_DEREF(acc).leaf, ijk, acc);
2767 }
2768 else if (pnanovdb_readaccessor_iscached1(acc, dirty))
2769 {
2770 dim = pnanovdb_lower_get_dim_and_cache(grid_type, buf, PNANOVDB_DEREF(acc).lower, ijk, acc);
2771 }
2772 else if (pnanovdb_readaccessor_iscached2(acc, dirty))
2773 {
2774 dim = pnanovdb_upper_get_dim_and_cache(grid_type, buf, PNANOVDB_DEREF(acc).upper, ijk, acc);
2775 }
2776 else
2777 {
2778 dim = pnanovdb_root_get_dim_and_cache(grid_type, buf, PNANOVDB_DEREF(acc).root, ijk, acc);
2779 }
2780 return dim;
2781}
2782
2783// ------------------------------------------------ ReadAccessor IsActive -----------------------------------------------------------
2784
2785PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_leaf_is_active_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
2786{
2787 pnanovdb_uint32_t n = pnanovdb_leaf_coord_to_offset(ijk);
2788 return pnanovdb_leaf_get_value_mask(buf, leaf, n);
2789}
2790
2791PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_lower_is_active_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t lower, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
2792{
2793 pnanovdb_uint32_t n = pnanovdb_lower_coord_to_offset(ijk);
2794 pnanovdb_bool_t is_active;
2795 if (pnanovdb_lower_get_child_mask(buf, lower, n))
2796 {
2797 pnanovdb_leaf_handle_t child = pnanovdb_lower_get_child(grid_type, buf, lower, n);
2798 PNANOVDB_DEREF(acc).leaf = child;
2799 PNANOVDB_DEREF(acc).key = PNANOVDB_DEREF(ijk);
2800 is_active = pnanovdb_leaf_is_active_and_cache(grid_type, buf, child, ijk, acc);
2801 }
2802 else
2803 {
2804 is_active = pnanovdb_lower_get_value_mask(buf, lower, n);
2805 }
2806 return is_active;
2807}
2808
2809PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_upper_is_active_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t upper, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
2810{
2811 pnanovdb_uint32_t n = pnanovdb_upper_coord_to_offset(ijk);
2812 pnanovdb_bool_t is_active;
2813 if (pnanovdb_upper_get_child_mask(buf, upper, n))
2814 {
2815 pnanovdb_lower_handle_t child = pnanovdb_upper_get_child(grid_type, buf, upper, n);
2816 PNANOVDB_DEREF(acc).lower = child;
2817 PNANOVDB_DEREF(acc).key = PNANOVDB_DEREF(ijk);
2818 is_active = pnanovdb_lower_is_active_and_cache(grid_type, buf, child, ijk, acc);
2819 }
2820 else
2821 {
2822 is_active = pnanovdb_upper_get_value_mask(buf, upper, n);
2823 }
2824 return is_active;
2825}
2826
2827PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_root_is_active_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
2828{
2829 pnanovdb_root_tile_handle_t tile = pnanovdb_root_find_tile(grid_type, buf, root, ijk);
2830 pnanovdb_bool_t is_active;
2831 if (pnanovdb_address_is_null(tile.address))
2832 {
2833 is_active = PNANOVDB_FALSE; // background
2834 }
2835 else if (pnanovdb_int64_is_zero(pnanovdb_root_tile_get_child(buf, tile)))
2836 {
2837 pnanovdb_uint32_t state = pnanovdb_root_tile_get_state(buf, tile);
2838 is_active = state != 0u; // tile value
2839 }
2840 else
2841 {
2842 pnanovdb_upper_handle_t child = pnanovdb_root_get_child(grid_type, buf, root, tile);
2843 PNANOVDB_DEREF(acc).upper = child;
2844 PNANOVDB_DEREF(acc).key = PNANOVDB_DEREF(ijk);
2845 is_active = pnanovdb_upper_is_active_and_cache(grid_type, buf, child, ijk, acc);
2846 }
2847 return is_active;
2848}
2849
2850PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_readaccessor_is_active(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_IN(pnanovdb_coord_t) ijk)
2851{
2852 int dirty = pnanovdb_readaccessor_computedirty(acc, ijk);
2853
2854 pnanovdb_bool_t is_active;
2855 if (pnanovdb_readaccessor_iscached0(acc, dirty))
2856 {
2857 is_active = pnanovdb_leaf_is_active_and_cache(grid_type, buf, PNANOVDB_DEREF(acc).leaf, ijk, acc);
2858 }
2859 else if (pnanovdb_readaccessor_iscached1(acc, dirty))
2860 {
2861 is_active = pnanovdb_lower_is_active_and_cache(grid_type, buf, PNANOVDB_DEREF(acc).lower, ijk, acc);
2862 }
2863 else if (pnanovdb_readaccessor_iscached2(acc, dirty))
2864 {
2865 is_active = pnanovdb_upper_is_active_and_cache(grid_type, buf, PNANOVDB_DEREF(acc).upper, ijk, acc);
2866 }
2867 else
2868 {
2869 is_active = pnanovdb_root_is_active_and_cache(grid_type, buf, PNANOVDB_DEREF(acc).root, ijk, acc);
2870 }
2871 return is_active;
2872}
2873
2874// ------------------------------------------------ Map Transforms -----------------------------------------------------------
2875
2876PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_map_apply(pnanovdb_buf_t buf, pnanovdb_map_handle_t map, PNANOVDB_IN(pnanovdb_vec3_t) src)
2877{
2878 pnanovdb_vec3_t dst;
2879 float sx = PNANOVDB_DEREF(src).x;
2880 float sy = PNANOVDB_DEREF(src).y;
2881 float sz = PNANOVDB_DEREF(src).z;
2882 dst.x = sx * pnanovdb_map_get_matf(buf, map, 0) + sy * pnanovdb_map_get_matf(buf, map, 1) + sz * pnanovdb_map_get_matf(buf, map, 2) + pnanovdb_map_get_vecf(buf, map, 0);
2883 dst.y = sx * pnanovdb_map_get_matf(buf, map, 3) + sy * pnanovdb_map_get_matf(buf, map, 4) + sz * pnanovdb_map_get_matf(buf, map, 5) + pnanovdb_map_get_vecf(buf, map, 1);
2884 dst.z = sx * pnanovdb_map_get_matf(buf, map, 6) + sy * pnanovdb_map_get_matf(buf, map, 7) + sz * pnanovdb_map_get_matf(buf, map, 8) + pnanovdb_map_get_vecf(buf, map, 2);
2885 return dst;
2886}
2887
2888PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_map_apply_inverse(pnanovdb_buf_t buf, pnanovdb_map_handle_t map, PNANOVDB_IN(pnanovdb_vec3_t) src)
2889{
2890 pnanovdb_vec3_t dst;
2891 float sx = PNANOVDB_DEREF(src).x - pnanovdb_map_get_vecf(buf, map, 0);
2892 float sy = PNANOVDB_DEREF(src).y - pnanovdb_map_get_vecf(buf, map, 1);
2893 float sz = PNANOVDB_DEREF(src).z - pnanovdb_map_get_vecf(buf, map, 2);
2894 dst.x = sx * pnanovdb_map_get_invmatf(buf, map, 0) + sy * pnanovdb_map_get_invmatf(buf, map, 1) + sz * pnanovdb_map_get_invmatf(buf, map, 2);
2895 dst.y = sx * pnanovdb_map_get_invmatf(buf, map, 3) + sy * pnanovdb_map_get_invmatf(buf, map, 4) + sz * pnanovdb_map_get_invmatf(buf, map, 5);
2896 dst.z = sx * pnanovdb_map_get_invmatf(buf, map, 6) + sy * pnanovdb_map_get_invmatf(buf, map, 7) + sz * pnanovdb_map_get_invmatf(buf, map, 8);
2897 return dst;
2898}
2899
2900PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_map_apply_jacobi(pnanovdb_buf_t buf, pnanovdb_map_handle_t map, PNANOVDB_IN(pnanovdb_vec3_t) src)
2901{
2902 pnanovdb_vec3_t dst;
2903 float sx = PNANOVDB_DEREF(src).x;
2904 float sy = PNANOVDB_DEREF(src).y;
2905 float sz = PNANOVDB_DEREF(src).z;
2906 dst.x = sx * pnanovdb_map_get_matf(buf, map, 0) + sy * pnanovdb_map_get_matf(buf, map, 1) + sz * pnanovdb_map_get_matf(buf, map, 2);
2907 dst.y = sx * pnanovdb_map_get_matf(buf, map, 3) + sy * pnanovdb_map_get_matf(buf, map, 4) + sz * pnanovdb_map_get_matf(buf, map, 5);
2908 dst.z = sx * pnanovdb_map_get_matf(buf, map, 6) + sy * pnanovdb_map_get_matf(buf, map, 7) + sz * pnanovdb_map_get_matf(buf, map, 8);
2909 return dst;
2910}
2911
2912PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_map_apply_inverse_jacobi(pnanovdb_buf_t buf, pnanovdb_map_handle_t map, PNANOVDB_IN(pnanovdb_vec3_t) src)
2913{
2914 pnanovdb_vec3_t dst;
2915 float sx = PNANOVDB_DEREF(src).x;
2916 float sy = PNANOVDB_DEREF(src).y;
2917 float sz = PNANOVDB_DEREF(src).z;
2918 dst.x = sx * pnanovdb_map_get_invmatf(buf, map, 0) + sy * pnanovdb_map_get_invmatf(buf, map, 1) + sz * pnanovdb_map_get_invmatf(buf, map, 2);
2919 dst.y = sx * pnanovdb_map_get_invmatf(buf, map, 3) + sy * pnanovdb_map_get_invmatf(buf, map, 4) + sz * pnanovdb_map_get_invmatf(buf, map, 5);
2920 dst.z = sx * pnanovdb_map_get_invmatf(buf, map, 6) + sy * pnanovdb_map_get_invmatf(buf, map, 7) + sz * pnanovdb_map_get_invmatf(buf, map, 8);
2921 return dst;
2922}
2923
2924PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_grid_world_to_indexf(pnanovdb_buf_t buf, pnanovdb_grid_handle_t grid, PNANOVDB_IN(pnanovdb_vec3_t) src)
2925{
2926 pnanovdb_map_handle_t map = pnanovdb_grid_get_map(buf, grid);
2927 return pnanovdb_map_apply_inverse(buf, map, src);
2928}
2929
2930PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_grid_index_to_worldf(pnanovdb_buf_t buf, pnanovdb_grid_handle_t grid, PNANOVDB_IN(pnanovdb_vec3_t) src)
2931{
2932 pnanovdb_map_handle_t map = pnanovdb_grid_get_map(buf, grid);
2933 return pnanovdb_map_apply(buf, map, src);
2934}
2935
2936PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_grid_world_to_index_dirf(pnanovdb_buf_t buf, pnanovdb_grid_handle_t grid, PNANOVDB_IN(pnanovdb_vec3_t) src)
2937{
2938 pnanovdb_map_handle_t map = pnanovdb_grid_get_map(buf, grid);
2939 return pnanovdb_map_apply_inverse_jacobi(buf, map, src);
2940}
2941
2942PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_grid_index_to_world_dirf(pnanovdb_buf_t buf, pnanovdb_grid_handle_t grid, PNANOVDB_IN(pnanovdb_vec3_t) src)
2943{
2944 pnanovdb_map_handle_t map = pnanovdb_grid_get_map(buf, grid);
2945 return pnanovdb_map_apply_jacobi(buf, map, src);
2946}
2947
2948// ------------------------------------------------ DitherLUT -----------------------------------------------------------
2949
2950// This table was generated with
2951/**************
2952
2953 static constexpr inline uint32
2954 SYSwang_inthash(uint32 key)
2955{
2956 // From http://www.concentric.net/~Ttwang/tech/inthash.htm
2957 key += ~(key << 16);
2958 key ^= (key >> 5);
2959 key += (key << 3);
2960 key ^= (key >> 13);
2961 key += ~(key << 9);
2962 key ^= (key >> 17);
2963 return key;
2964}
2965
2966 static void
2967 ut_initDitherR(float *pattern, float offset,
2968 int x, int y, int z, int res, int goalres)
2969{
2970 // These offsets are designed to maximize the difference between
2971 // dither values in nearby voxels within a given 2x2x2 cell, without
2972 // producing axis-aligned artifacts. The are organized in row-major
2973 // order.
2974 static const float theDitherOffset[] = {0,4,6,2,5,1,3,7};
2975 static const float theScale = 0.125F;
2976 int key = (((z << res) + y) << res) + x;
2977
2978 if (res == goalres)
2979 {
2980 pattern[key] = offset;
2981 return;
2982 }
2983
2984 // Randomly flip (on each axis) the dithering patterns used by the
2985 // subcells. This key is xor'd with the subcell index below before
2986 // looking up in the dither offset list.
2987 key = SYSwang_inthash(key) & 7;
2988
2989 x <<= 1;
2990 y <<= 1;
2991 z <<= 1;
2992
2993 offset *= theScale;
2994 for (int i = 0; i < 8; i++)
2995 ut_initDitherR(pattern, offset+theDitherOffset[i ^ key]*theScale,
2996 x+(i&1), y+((i&2)>>1), z+((i&4)>>2), res+1, goalres);
2997}
2998
2999// This is a compact algorithm that accomplishes essentially the same thing
3000// as ut_initDither() above. We should eventually switch to use this and
3001// clean the dead code.
3002 static fpreal32 *
3003 ut_initDitherRecursive(int goalres)
3004{
3005 const int nfloat = 1 << (goalres*3);
3006 float *pattern = new float[nfloat];
3007 ut_initDitherR(pattern, 1.0F, 0, 0, 0, 0, goalres);
3008
3009 // This has built an even spacing from 1/nfloat to 1.0.
3010 // however, our dither pattern should be 1/(nfloat+1) to nfloat/(nfloat+1)
3011 // So we do a correction here. Note that the earlier calculations are
3012 // done with powers of 2 so are exact, so it does make sense to delay
3013 // the renormalization to this pass.
3014 float correctionterm = nfloat / (nfloat+1.0F);
3015 for (int i = 0; i < nfloat; i++)
3016 pattern[i] *= correctionterm;
3017 return pattern;
3018}
3019
3020 theDitherMatrix = ut_initDitherRecursive(3);
3021
3022 for (int i = 0; i < 512/8; i ++)
3023 {
3024 for (int j = 0; j < 8; j ++)
3025 std::cout << theDitherMatrix[i*8+j] << "f, ";
3026 std::cout << std::endl;
3027 }
3028
3029 **************/
3030
3031PNANOVDB_STATIC_CONST float pnanovdb_dither_lut[512] =
3032{
3033 0.14425f, 0.643275f, 0.830409f, 0.331384f, 0.105263f, 0.604289f, 0.167641f, 0.666667f,
3034 0.892788f, 0.393762f, 0.0818713f, 0.580897f, 0.853801f, 0.354776f, 0.916179f, 0.417154f,
3035 0.612086f, 0.11306f, 0.79922f, 0.300195f, 0.510721f, 0.0116959f, 0.947368f, 0.448343f,
3036 0.362573f, 0.861598f, 0.0506823f, 0.549708f, 0.261209f, 0.760234f, 0.19883f, 0.697856f,
3037 0.140351f, 0.639376f, 0.576998f, 0.0779727f, 0.522417f, 0.0233918f, 0.460039f, 0.959064f,
3038 0.888889f, 0.389864f, 0.327485f, 0.826511f, 0.272904f, 0.77193f, 0.709552f, 0.210526f,
3039 0.483431f, 0.982456f, 0.296296f, 0.795322f, 0.116959f, 0.615984f, 0.0545809f, 0.553606f,
3040 0.732943f, 0.233918f, 0.545809f, 0.0467836f, 0.865497f, 0.366472f, 0.803119f, 0.304094f,
3041 0.518519f, 0.0194932f, 0.45614f, 0.955166f, 0.729045f, 0.230019f, 0.54191f, 0.042885f,
3042 0.269006f, 0.768031f, 0.705653f, 0.206628f, 0.479532f, 0.978558f, 0.292398f, 0.791423f,
3043 0.237817f, 0.736842f, 0.424951f, 0.923977f, 0.136452f, 0.635478f, 0.323587f, 0.822612f,
3044 0.986355f, 0.487329f, 0.674464f, 0.175439f, 0.88499f, 0.385965f, 0.573099f, 0.0740741f,
3045 0.51462f, 0.0155945f, 0.202729f, 0.701754f, 0.148148f, 0.647174f, 0.834308f, 0.335283f,
3046 0.265107f, 0.764133f, 0.951267f, 0.452242f, 0.896686f, 0.397661f, 0.08577f, 0.584795f,
3047 0.8577f, 0.358674f, 0.920078f, 0.421053f, 0.740741f, 0.241715f, 0.678363f, 0.179337f,
3048 0.109162f, 0.608187f, 0.17154f, 0.670565f, 0.491228f, 0.990253f, 0.42885f, 0.927875f,
3049 0.0662768f, 0.565302f, 0.62768f, 0.128655f, 0.183236f, 0.682261f, 0.744639f, 0.245614f,
3050 0.814815f, 0.315789f, 0.378168f, 0.877193f, 0.931774f, 0.432749f, 0.495127f, 0.994152f,
3051 0.0350877f, 0.534113f, 0.97076f, 0.471735f, 0.214425f, 0.71345f, 0.526316f, 0.0272904f,
3052 0.783626f, 0.2846f, 0.222222f, 0.721248f, 0.962963f, 0.463938f, 0.276803f, 0.775828f,
3053 0.966862f, 0.467836f, 0.405458f, 0.904483f, 0.0701754f, 0.569201f, 0.881092f, 0.382066f,
3054 0.218324f, 0.717349f, 0.654971f, 0.155945f, 0.818713f, 0.319688f, 0.132554f, 0.631579f,
3055 0.0623782f, 0.561404f, 0.748538f, 0.249513f, 0.912281f, 0.413255f, 0.974659f, 0.475634f,
3056 0.810916f, 0.311891f, 0.499025f, 0.998051f, 0.163743f, 0.662768f, 0.226121f, 0.725146f,
3057 0.690058f, 0.191033f, 0.00389864f, 0.502924f, 0.557505f, 0.0584795f, 0.120858f, 0.619883f,
3058 0.440546f, 0.939571f, 0.752437f, 0.253411f, 0.307992f, 0.807018f, 0.869396f, 0.37037f,
3059 0.658869f, 0.159844f, 0.346979f, 0.846004f, 0.588694f, 0.0896686f, 0.152047f, 0.651072f,
3060 0.409357f, 0.908382f, 0.596491f, 0.0974659f, 0.339181f, 0.838207f, 0.900585f, 0.401559f,
3061 0.34308f, 0.842105f, 0.779727f, 0.280702f, 0.693957f, 0.194932f, 0.25731f, 0.756335f,
3062 0.592593f, 0.0935673f, 0.0311891f, 0.530214f, 0.444444f, 0.94347f, 0.506823f, 0.00779727f,
3063 0.68616f, 0.187135f, 0.124756f, 0.623782f, 0.288499f, 0.787524f, 0.350877f, 0.849903f,
3064 0.436647f, 0.935673f, 0.873294f, 0.374269f, 0.538012f, 0.0389864f, 0.60039f, 0.101365f,
3065 0.57115f, 0.0721248f, 0.758285f, 0.259259f, 0.719298f, 0.220273f, 0.532164f, 0.0331384f,
3066 0.321637f, 0.820663f, 0.00974659f, 0.508772f, 0.469786f, 0.968811f, 0.282651f, 0.781676f,
3067 0.539961f, 0.0409357f, 0.727096f, 0.22807f, 0.500975f, 0.00194932f, 0.563353f, 0.0643275f,
3068 0.290448f, 0.789474f, 0.477583f, 0.976608f, 0.251462f, 0.750487f, 0.31384f, 0.812865f,
3069 0.94152f, 0.442495f, 0.879142f, 0.380117f, 0.37232f, 0.871345f, 0.309942f, 0.808967f,
3070 0.192982f, 0.692008f, 0.130604f, 0.62963f, 0.621832f, 0.122807f, 0.559454f, 0.0604289f,
3071 0.660819f, 0.161793f, 0.723197f, 0.224172f, 0.403509f, 0.902534f, 0.840156f, 0.341131f,
3072 0.411306f, 0.910331f, 0.473684f, 0.97271f, 0.653021f, 0.153996f, 0.0916179f, 0.590643f,
3073 0.196881f, 0.695906f, 0.384016f, 0.883041f, 0.0955166f, 0.594542f, 0.157895f, 0.65692f,
3074 0.945419f, 0.446394f, 0.633528f, 0.134503f, 0.844055f, 0.345029f, 0.906433f, 0.407407f,
3075 0.165692f, 0.664717f, 0.103314f, 0.602339f, 0.126706f, 0.625731f, 0.189084f, 0.688109f,
3076 0.91423f, 0.415205f, 0.851852f, 0.352827f, 0.875244f, 0.376218f, 0.937622f, 0.438596f,
3077 0.317739f, 0.816764f, 0.255361f, 0.754386f, 0.996101f, 0.497076f, 0.933723f, 0.434698f,
3078 0.567251f, 0.0682261f, 0.504873f, 0.00584795f, 0.247563f, 0.746589f, 0.185185f, 0.684211f,
3079 0.037037f, 0.536062f, 0.0994152f, 0.598441f, 0.777778f, 0.278752f, 0.465887f, 0.964912f,
3080 0.785575f, 0.28655f, 0.847953f, 0.348928f, 0.0292398f, 0.528265f, 0.7154f, 0.216374f,
3081 0.39961f, 0.898636f, 0.961014f, 0.461988f, 0.0487329f, 0.547758f, 0.111111f, 0.610136f,
3082 0.649123f, 0.150097f, 0.212476f, 0.711501f, 0.797271f, 0.298246f, 0.859649f, 0.360624f,
3083 0.118908f, 0.617934f, 0.0565302f, 0.555556f, 0.329435f, 0.82846f, 0.516569f, 0.0175439f,
3084 0.867446f, 0.368421f, 0.805068f, 0.306043f, 0.578947f, 0.079922f, 0.267057f, 0.766082f,
3085 0.270955f, 0.76998f, 0.707602f, 0.208577f, 0.668616f, 0.169591f, 0.606238f, 0.107212f,
3086 0.520468f, 0.0214425f, 0.45809f, 0.957115f, 0.419103f, 0.918129f, 0.356725f, 0.855751f,
3087 0.988304f, 0.489279f, 0.426901f, 0.925926f, 0.450292f, 0.949318f, 0.512671f, 0.0136452f,
3088 0.239766f, 0.738791f, 0.676413f, 0.177388f, 0.699805f, 0.20078f, 0.263158f, 0.762183f,
3089 0.773879f, 0.274854f, 0.337232f, 0.836257f, 0.672515f, 0.173489f, 0.734893f, 0.235867f,
3090 0.0253411f, 0.524366f, 0.586745f, 0.0877193f, 0.423002f, 0.922027f, 0.48538f, 0.984405f,
3091 0.74269f, 0.243665f, 0.680312f, 0.181287f, 0.953216f, 0.454191f, 0.1423f, 0.641326f,
3092 0.493177f, 0.992203f, 0.430799f, 0.929825f, 0.204678f, 0.703704f, 0.890838f, 0.391813f,
3093 0.894737f, 0.395712f, 0.0838207f, 0.582846f, 0.0448343f, 0.54386f, 0.231969f, 0.730994f,
3094 0.146199f, 0.645224f, 0.832359f, 0.333333f, 0.793372f, 0.294347f, 0.980507f, 0.481481f,
3095 0.364522f, 0.863548f, 0.80117f, 0.302144f, 0.824561f, 0.325536f, 0.138402f, 0.637427f,
3096 0.614035f, 0.11501f, 0.0526316f, 0.551657f, 0.0760234f, 0.575049f, 0.88694f, 0.387914f,
3097};
3098
3099PNANOVDB_FORCE_INLINE float pnanovdb_dither_lookup(pnanovdb_bool_t enabled, int offset)
3100{
3101 return enabled ? pnanovdb_dither_lut[offset & 511] : 0.5f;
3102}
3103
3104// ------------------------------------------------ HDDA -----------------------------------------------------------
3105
3106#ifdef PNANOVDB_HDDA
3107
3108// Comment out to disable this explicit round-off check
3109#define PNANOVDB_ENFORCE_FORWARD_STEPPING
3110
3111#define PNANOVDB_HDDA_FLOAT_MAX 1e38f
3112
3113 struct pnanovdb_hdda_t
3114{
3115 pnanovdb_int32_t dim;
3116 float tmin;
3117 float tmax;
3118 pnanovdb_coord_t voxel;
3119 pnanovdb_coord_t step;
3120 pnanovdb_vec3_t delta;
3121 pnanovdb_vec3_t next;
3122};
3123PNANOVDB_STRUCT_TYPEDEF(pnanovdb_hdda_t)
3124
3125PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_hdda_pos_to_ijk(PNANOVDB_IN(pnanovdb_vec3_t) pos)
3126{
3127 pnanovdb_coord_t voxel;
3128 voxel.x = pnanovdb_float_to_int32(pnanovdb_floor(PNANOVDB_DEREF(pos).x));
3129 voxel.y = pnanovdb_float_to_int32(pnanovdb_floor(PNANOVDB_DEREF(pos).y));
3130 voxel.z = pnanovdb_float_to_int32(pnanovdb_floor(PNANOVDB_DEREF(pos).z));
3131 return voxel;
3132}
3133
3134PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_hdda_pos_to_voxel(PNANOVDB_IN(pnanovdb_vec3_t) pos, int dim)
3135{
3136 pnanovdb_coord_t voxel;
3137 voxel.x = pnanovdb_float_to_int32(pnanovdb_floor(PNANOVDB_DEREF(pos).x)) & (~(dim - 1));
3138 voxel.y = pnanovdb_float_to_int32(pnanovdb_floor(PNANOVDB_DEREF(pos).y)) & (~(dim - 1));
3139 voxel.z = pnanovdb_float_to_int32(pnanovdb_floor(PNANOVDB_DEREF(pos).z)) & (~(dim - 1));
3140 return voxel;
3141}
3142
3143PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_hdda_ray_start(PNANOVDB_IN(pnanovdb_vec3_t) origin, float tmin, PNANOVDB_IN(pnanovdb_vec3_t) direction)
3144{
3145 pnanovdb_vec3_t pos = pnanovdb_vec3_add(
3146 pnanovdb_vec3_mul(PNANOVDB_DEREF(direction), pnanovdb_vec3_uniform(tmin)),
3147 PNANOVDB_DEREF(origin)
3148 );
3149 return pos;
3150}
3151
3152PNANOVDB_FORCE_INLINE void pnanovdb_hdda_init(PNANOVDB_INOUT(pnanovdb_hdda_t) hdda, PNANOVDB_IN(pnanovdb_vec3_t) origin, float tmin, PNANOVDB_IN(pnanovdb_vec3_t) direction, float tmax, int dim)
3153{
3154 PNANOVDB_DEREF(hdda).dim = dim;
3155 PNANOVDB_DEREF(hdda).tmin = tmin;
3156 PNANOVDB_DEREF(hdda).tmax = tmax;
3157
3158 pnanovdb_vec3_t pos = pnanovdb_hdda_ray_start(origin, tmin, direction);
3159 pnanovdb_vec3_t dir_inv = pnanovdb_vec3_div(pnanovdb_vec3_uniform(1.f), PNANOVDB_DEREF(direction));
3160
3161 PNANOVDB_DEREF(hdda).voxel = pnanovdb_hdda_pos_to_voxel(PNANOVDB_REF(pos), dim);
3162
3163 // x
3164 if (PNANOVDB_DEREF(direction).x == 0.f)
3165 {
3166 PNANOVDB_DEREF(hdda).next.x = PNANOVDB_HDDA_FLOAT_MAX;
3167 PNANOVDB_DEREF(hdda).step.x = 0;
3168 PNANOVDB_DEREF(hdda).delta.x = 0.f;
3169 }
3170 else if (dir_inv.x > 0.f)
3171 {
3172 PNANOVDB_DEREF(hdda).step.x = 1;
3173 PNANOVDB_DEREF(hdda).next.x = PNANOVDB_DEREF(hdda).tmin + (PNANOVDB_DEREF(hdda).voxel.x + dim - pos.x) * dir_inv.x;
3174 PNANOVDB_DEREF(hdda).delta.x = dir_inv.x;
3175 }
3176 else
3177 {
3178 PNANOVDB_DEREF(hdda).step.x = -1;
3179 PNANOVDB_DEREF(hdda).next.x = PNANOVDB_DEREF(hdda).tmin + (PNANOVDB_DEREF(hdda).voxel.x - pos.x) * dir_inv.x;
3180 PNANOVDB_DEREF(hdda).delta.x = -dir_inv.x;
3181 }
3182
3183 // y
3184 if (PNANOVDB_DEREF(direction).y == 0.f)
3185 {
3186 PNANOVDB_DEREF(hdda).next.y = PNANOVDB_HDDA_FLOAT_MAX;
3187 PNANOVDB_DEREF(hdda).step.y = 0;
3188 PNANOVDB_DEREF(hdda).delta.y = 0.f;
3189 }
3190 else if (dir_inv.y > 0.f)
3191 {
3192 PNANOVDB_DEREF(hdda).step.y = 1;
3193 PNANOVDB_DEREF(hdda).next.y = PNANOVDB_DEREF(hdda).tmin + (PNANOVDB_DEREF(hdda).voxel.y + dim - pos.y) * dir_inv.y;
3194 PNANOVDB_DEREF(hdda).delta.y = dir_inv.y;
3195 }
3196 else
3197 {
3198 PNANOVDB_DEREF(hdda).step.y = -1;
3199 PNANOVDB_DEREF(hdda).next.y = PNANOVDB_DEREF(hdda).tmin + (PNANOVDB_DEREF(hdda).voxel.y - pos.y) * dir_inv.y;
3200 PNANOVDB_DEREF(hdda).delta.y = -dir_inv.y;
3201 }
3202
3203 // z
3204 if (PNANOVDB_DEREF(direction).z == 0.f)
3205 {
3206 PNANOVDB_DEREF(hdda).next.z = PNANOVDB_HDDA_FLOAT_MAX;
3207 PNANOVDB_DEREF(hdda).step.z = 0;
3208 PNANOVDB_DEREF(hdda).delta.z = 0.f;
3209 }
3210 else if (dir_inv.z > 0.f)
3211 {
3212 PNANOVDB_DEREF(hdda).step.z = 1;
3213 PNANOVDB_DEREF(hdda).next.z = PNANOVDB_DEREF(hdda).tmin + (PNANOVDB_DEREF(hdda).voxel.z + dim - pos.z) * dir_inv.z;
3214 PNANOVDB_DEREF(hdda).delta.z = dir_inv.z;
3215 }
3216 else
3217 {
3218 PNANOVDB_DEREF(hdda).step.z = -1;
3219 PNANOVDB_DEREF(hdda).next.z = PNANOVDB_DEREF(hdda).tmin + (PNANOVDB_DEREF(hdda).voxel.z - pos.z) * dir_inv.z;
3220 PNANOVDB_DEREF(hdda).delta.z = -dir_inv.z;
3221 }
3222}
3223
3224PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_hdda_update(PNANOVDB_INOUT(pnanovdb_hdda_t) hdda, PNANOVDB_IN(pnanovdb_vec3_t) origin, PNANOVDB_IN(pnanovdb_vec3_t) direction, int dim)
3225{
3226 if (PNANOVDB_DEREF(hdda).dim == dim)
3227 {
3228 return PNANOVDB_FALSE;
3229 }
3230 PNANOVDB_DEREF(hdda).dim = dim;
3231
3232 pnanovdb_vec3_t pos = pnanovdb_vec3_add(
3233 pnanovdb_vec3_mul(PNANOVDB_DEREF(direction), pnanovdb_vec3_uniform(PNANOVDB_DEREF(hdda).tmin)),
3234 PNANOVDB_DEREF(origin)
3235 );
3236 pnanovdb_vec3_t dir_inv = pnanovdb_vec3_div(pnanovdb_vec3_uniform(1.f), PNANOVDB_DEREF(direction));
3237
3238 PNANOVDB_DEREF(hdda).voxel = pnanovdb_hdda_pos_to_voxel(PNANOVDB_REF(pos), dim);
3239
3240 if (PNANOVDB_DEREF(hdda).step.x != 0)
3241 {
3242 PNANOVDB_DEREF(hdda).next.x = PNANOVDB_DEREF(hdda).tmin + (PNANOVDB_DEREF(hdda).voxel.x - pos.x) * dir_inv.x;
3243 if (PNANOVDB_DEREF(hdda).step.x > 0)
3244 {
3245 PNANOVDB_DEREF(hdda).next.x += dim * dir_inv.x;
3246 }
3247 }
3248 if (PNANOVDB_DEREF(hdda).step.y != 0)
3249 {
3250 PNANOVDB_DEREF(hdda).next.y = PNANOVDB_DEREF(hdda).tmin + (PNANOVDB_DEREF(hdda).voxel.y - pos.y) * dir_inv.y;
3251 if (PNANOVDB_DEREF(hdda).step.y > 0)
3252 {
3253 PNANOVDB_DEREF(hdda).next.y += dim * dir_inv.y;
3254 }
3255 }
3256 if (PNANOVDB_DEREF(hdda).step.z != 0)
3257 {
3258 PNANOVDB_DEREF(hdda).next.z = PNANOVDB_DEREF(hdda).tmin + (PNANOVDB_DEREF(hdda).voxel.z - pos.z) * dir_inv.z;
3259 if (PNANOVDB_DEREF(hdda).step.z > 0)
3260 {
3261 PNANOVDB_DEREF(hdda).next.z += dim * dir_inv.z;
3262 }
3263 }
3264
3265 return PNANOVDB_TRUE;
3266}
3267
3268PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_hdda_step(PNANOVDB_INOUT(pnanovdb_hdda_t) hdda)
3269{
3270 pnanovdb_bool_t ret;
3271 if (PNANOVDB_DEREF(hdda).next.x < PNANOVDB_DEREF(hdda).next.y && PNANOVDB_DEREF(hdda).next.x < PNANOVDB_DEREF(hdda).next.z)
3272 {
3273#ifdef PNANOVDB_ENFORCE_FORWARD_STEPPING
3274 if (PNANOVDB_DEREF(hdda).next.x <= PNANOVDB_DEREF(hdda).tmin)
3275 {
3276 PNANOVDB_DEREF(hdda).next.x += PNANOVDB_DEREF(hdda).tmin - 0.999999f * PNANOVDB_DEREF(hdda).next.x + 1.0e-6f;
3277 }
3278#endif
3279 PNANOVDB_DEREF(hdda).tmin = PNANOVDB_DEREF(hdda).next.x;
3280 PNANOVDB_DEREF(hdda).next.x += PNANOVDB_DEREF(hdda).dim * PNANOVDB_DEREF(hdda).delta.x;
3281 PNANOVDB_DEREF(hdda).voxel.x += PNANOVDB_DEREF(hdda).dim * PNANOVDB_DEREF(hdda).step.x;
3282 ret = PNANOVDB_DEREF(hdda).tmin <= PNANOVDB_DEREF(hdda).tmax;
3283 }
3284 else if (PNANOVDB_DEREF(hdda).next.y < PNANOVDB_DEREF(hdda).next.z)
3285 {
3286#ifdef PNANOVDB_ENFORCE_FORWARD_STEPPING
3287 if (PNANOVDB_DEREF(hdda).next.y <= PNANOVDB_DEREF(hdda).tmin)
3288 {
3289 PNANOVDB_DEREF(hdda).next.y += PNANOVDB_DEREF(hdda).tmin - 0.999999f * PNANOVDB_DEREF(hdda).next.y + 1.0e-6f;
3290 }
3291#endif
3292 PNANOVDB_DEREF(hdda).tmin = PNANOVDB_DEREF(hdda).next.y;
3293 PNANOVDB_DEREF(hdda).next.y += PNANOVDB_DEREF(hdda).dim * PNANOVDB_DEREF(hdda).delta.y;
3294 PNANOVDB_DEREF(hdda).voxel.y += PNANOVDB_DEREF(hdda).dim * PNANOVDB_DEREF(hdda).step.y;
3295 ret = PNANOVDB_DEREF(hdda).tmin <= PNANOVDB_DEREF(hdda).tmax;
3296 }
3297 else
3298 {
3299#ifdef PNANOVDB_ENFORCE_FORWARD_STEPPING
3300 if (PNANOVDB_DEREF(hdda).next.z <= PNANOVDB_DEREF(hdda).tmin)
3301 {
3302 PNANOVDB_DEREF(hdda).next.z += PNANOVDB_DEREF(hdda).tmin - 0.999999f * PNANOVDB_DEREF(hdda).next.z + 1.0e-6f;
3303 }
3304#endif
3305 PNANOVDB_DEREF(hdda).tmin = PNANOVDB_DEREF(hdda).next.z;
3306 PNANOVDB_DEREF(hdda).next.z += PNANOVDB_DEREF(hdda).dim * PNANOVDB_DEREF(hdda).delta.z;
3307 PNANOVDB_DEREF(hdda).voxel.z += PNANOVDB_DEREF(hdda).dim * PNANOVDB_DEREF(hdda).step.z;
3308 ret = PNANOVDB_DEREF(hdda).tmin <= PNANOVDB_DEREF(hdda).tmax;
3309 }
3310 return ret;
3311}
3312
3313PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_hdda_ray_clip(
3314 PNANOVDB_IN(pnanovdb_vec3_t) bbox_min,
3315 PNANOVDB_IN(pnanovdb_vec3_t) bbox_max,
3316 PNANOVDB_IN(pnanovdb_vec3_t) origin, PNANOVDB_INOUT(float) tmin,
3317 PNANOVDB_IN(pnanovdb_vec3_t) direction, PNANOVDB_INOUT(float) tmax
3318)
3319{
3320 pnanovdb_vec3_t dir_inv = pnanovdb_vec3_div(pnanovdb_vec3_uniform(1.f), PNANOVDB_DEREF(direction));
3321 pnanovdb_vec3_t t0 = pnanovdb_vec3_mul(pnanovdb_vec3_sub(PNANOVDB_DEREF(bbox_min), PNANOVDB_DEREF(origin)), dir_inv);
3322 pnanovdb_vec3_t t1 = pnanovdb_vec3_mul(pnanovdb_vec3_sub(PNANOVDB_DEREF(bbox_max), PNANOVDB_DEREF(origin)), dir_inv);
3323 pnanovdb_vec3_t tmin3 = pnanovdb_vec3_min(t0, t1);
3324 pnanovdb_vec3_t tmax3 = pnanovdb_vec3_max(t0, t1);
3325 float tnear = pnanovdb_max(tmin3.x, pnanovdb_max(tmin3.y, tmin3.z));
3326 float tfar = pnanovdb_min(tmax3.x, pnanovdb_min(tmax3.y, tmax3.z));
3327 pnanovdb_bool_t hit = tnear <= tfar;
3328 PNANOVDB_DEREF(tmin) = pnanovdb_max(PNANOVDB_DEREF(tmin), tnear);
3329 PNANOVDB_DEREF(tmax) = pnanovdb_min(PNANOVDB_DEREF(tmax), tfar);
3330 return hit;
3331}
3332
3333PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_hdda_zero_crossing(
3334 pnanovdb_grid_type_t grid_type,
3335 pnanovdb_buf_t buf,
3336 PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc,
3337 PNANOVDB_IN(pnanovdb_vec3_t) origin, float tmin,
3338 PNANOVDB_IN(pnanovdb_vec3_t) direction, float tmax,
3339 PNANOVDB_INOUT(float) thit,
3340 PNANOVDB_INOUT(float) v
3341)
3342{
3343 pnanovdb_coord_t bbox_min = pnanovdb_root_get_bbox_min(buf, PNANOVDB_DEREF(acc).root);
3344 pnanovdb_coord_t bbox_max = pnanovdb_root_get_bbox_max(buf, PNANOVDB_DEREF(acc).root);
3345 pnanovdb_vec3_t bbox_minf = pnanovdb_coord_to_vec3(bbox_min);
3346 pnanovdb_vec3_t bbox_maxf = pnanovdb_coord_to_vec3(pnanovdb_coord_add(bbox_max, pnanovdb_coord_uniform(1)));
3347
3348 pnanovdb_bool_t hit = pnanovdb_hdda_ray_clip(PNANOVDB_REF(bbox_minf), PNANOVDB_REF(bbox_maxf), origin, PNANOVDB_REF(tmin), direction, PNANOVDB_REF(tmax));
3349 if (!hit || tmax > 1.0e20f)
3350 {
3351 return PNANOVDB_FALSE;
3352 }
3353
3354 pnanovdb_vec3_t pos = pnanovdb_hdda_ray_start(origin, tmin, direction);
3355 pnanovdb_coord_t ijk = pnanovdb_hdda_pos_to_ijk(PNANOVDB_REF(pos));
3356
3357 pnanovdb_address_t address = pnanovdb_readaccessor_get_value_address(PNANOVDB_GRID_TYPE_FLOAT, buf, acc, PNANOVDB_REF(ijk));
3358 float v0 = pnanovdb_read_float(buf, address);
3359
3360 pnanovdb_int32_t dim = pnanovdb_uint32_as_int32(pnanovdb_readaccessor_get_dim(PNANOVDB_GRID_TYPE_FLOAT, buf, acc, PNANOVDB_REF(ijk)));
3361 pnanovdb_hdda_t hdda;
3362 pnanovdb_hdda_init(PNANOVDB_REF(hdda), origin, tmin, direction, tmax, dim);
3363 while (pnanovdb_hdda_step(PNANOVDB_REF(hdda)))
3364 {
3365 pnanovdb_vec3_t pos_start = pnanovdb_hdda_ray_start(origin, hdda.tmin + 1.0001f, direction);
3366 ijk = pnanovdb_hdda_pos_to_ijk(PNANOVDB_REF(pos_start));
3367 dim = pnanovdb_uint32_as_int32(pnanovdb_readaccessor_get_dim(PNANOVDB_GRID_TYPE_FLOAT, buf, acc, PNANOVDB_REF(ijk)));
3368 pnanovdb_hdda_update(PNANOVDB_REF(hdda), origin, direction, dim);
3369 if (hdda.dim > 1 || !pnanovdb_readaccessor_is_active(grid_type, buf, acc, PNANOVDB_REF(ijk)))
3370 {
3371 continue;
3372 }
3373 while (pnanovdb_hdda_step(PNANOVDB_REF(hdda)) && pnanovdb_readaccessor_is_active(grid_type, buf, acc, PNANOVDB_REF(hdda.voxel)))
3374 {
3375 ijk = hdda.voxel;
3376 pnanovdb_address_t address = pnanovdb_readaccessor_get_value_address(PNANOVDB_GRID_TYPE_FLOAT, buf, acc, PNANOVDB_REF(ijk));
3377 PNANOVDB_DEREF(v) = pnanovdb_read_float(buf, address);
3378 if (PNANOVDB_DEREF(v) * v0 < 0.f)
3379 {
3380 PNANOVDB_DEREF(thit) = hdda.tmin;
3381 return PNANOVDB_TRUE;
3382 }
3383 }
3384 }
3385 return PNANOVDB_FALSE;
3386}
3387
3388#endif
3389
3390#endif // end of NANOVDB_PNANOVDB_H_HAS_BEEN_INCLUDED
pnanovdb_version_get_minor
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_version_get_minor(pnanovdb_uint32_t version)
Definition PNanoVDB.h:1226
PNANOVDB_GRID_OFF_VERSION
#define PNANOVDB_GRID_OFF_VERSION
Definition PNanoVDB.h:1112
pnanovdb_readaccessor_get_value_address_and_level
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_readaccessor_get_value_address_and_level(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_uint32_t) level)
Definition PNanoVDB.h:2655
pnanovdb_gridblindmetadata_get_semantic
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_gridblindmetadata_get_semantic(pnanovdb_buf_t buf, pnanovdb_gridblindmetadata_handle_t p)
Definition PNanoVDB.h:1268
pnanovdb_root_get_value_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_value_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:2348
PNANOVDB_UPPER_OFF_VALUE_MASK
#define PNANOVDB_UPPER_OFF_VALUE_MASK
Definition PNanoVDB.h:1477
pnanovdb_map_get_matf
PNANOVDB_FORCE_INLINE float pnanovdb_map_get_matf(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index)
Definition PNanoVDB.h:1035
PNANOVDB_TREE_OFF_NODE_COUNT_LOWER
#define PNANOVDB_TREE_OFF_NODE_COUNT_LOWER
Definition PNanoVDB.h:1306
PNANOVDB_GRIDBLINDMETADATA_OFF_VALUE_COUNT
#define PNANOVDB_GRIDBLINDMETADATA_OFF_VALUE_COUNT
Definition PNanoVDB.h:1252
pnanovdb_gridblindmetadata_get_data_offset
PNANOVDB_FORCE_INLINE pnanovdb_int64_t pnanovdb_gridblindmetadata_get_data_offset(pnanovdb_buf_t buf, pnanovdb_gridblindmetadata_handle_t p)
Definition PNanoVDB.h:1259
pnanovdb_dither_lut
PNANOVDB_STATIC_CONST float pnanovdb_dither_lut[512]
Definition PNanoVDB.h:3031
pnanovdb_gridblindmetadata_get_value_size
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_gridblindmetadata_get_value_size(pnanovdb_buf_t buf, pnanovdb_gridblindmetadata_handle_t p)
Definition PNanoVDB.h:1265
pnanovdb_root_tile_get_state
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_root_tile_get_state(pnanovdb_buf_t buf, pnanovdb_root_tile_handle_t p)
Definition PNanoVDB.h:1443
pnanovdb_root_get_tile_count
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_root_get_tile_count(pnanovdb_buf_t buf, pnanovdb_root_handle_t p)
Definition PNanoVDB.h:1405
pnanovdb_grid_type_minmax_strides_bits
PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_minmax_strides_bits[27]
Definition PNanoVDB.h:1001
PNANOVDB_TREE_OFF_TILE_COUNT_LEAF
#define PNANOVDB_TREE_OFF_TILE_COUNT_LEAF
Definition PNanoVDB.h:1308
pnanovdb_read_coord
PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_read_coord(pnanovdb_buf_t buf, pnanovdb_address_t address)
Definition PNanoVDB.h:816
PNANOVDB_UPPER_OFF_FLAGS
#define PNANOVDB_UPPER_OFF_FLAGS
Definition PNanoVDB.h:1476
PNANOVDB_GRID_TYPE_FLOAT
#define PNANOVDB_GRID_TYPE_FLOAT
Definition PNanoVDB.h:940
pnanovdb_map_get_invmatf
PNANOVDB_FORCE_INLINE float pnanovdb_map_get_invmatf(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index)
Definition PNanoVDB.h:1038
pnanovdb_dither_lookup
PNANOVDB_FORCE_INLINE float pnanovdb_dither_lookup(pnanovdb_bool_t enabled, int offset)
Definition PNanoVDB.h:3099
pnanovdb_uint64_dec
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_uint64_dec(pnanovdb_uint64_t a)
Definition PNanoVDB.h:639
pnanovdb_leaf_indexmask_get_ave_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_indexmask_get_ave_index(pnanovdb_buf_t buf, pnanovdb_address_t ave_address)
Definition PNanoVDB.h:1897
pnanovdb_leaf_indexmask_get_dev_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_indexmask_get_dev_index(pnanovdb_buf_t buf, pnanovdb_address_t dev_address)
Definition PNanoVDB.h:1901
pnanovdb_leaf_index_get_max_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_index_get_max_index(pnanovdb_buf_t buf, pnanovdb_address_t max_address)
Definition PNanoVDB.h:1861
pnanovdb_root_onindex_get_value_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_root_onindex_get_value_index(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk, pnanovdb_uint32_t level)
Definition PNanoVDB.h:2432
pnanovdb_grid_set_blind_metadata_offset
PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_blind_metadata_offset(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint64_t blind_metadata_offset)
Definition PNanoVDB.h:1210
pnanovdb_gridblindmetadata_get_data_type
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_gridblindmetadata_get_data_type(pnanovdb_buf_t buf, pnanovdb_gridblindmetadata_handle_t p)
Definition PNanoVDB.h:1274
pnanovdb_root_get_stddev_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_stddev_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root)
Definition PNanoVDB.h:2314
pnanovdb_lower_get_value_mask
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_lower_get_value_mask(pnanovdb_buf_t buf, pnanovdb_lower_handle_t p, pnanovdb_uint32_t bit_index)
Definition PNanoVDB.h:1544
PNANOVDB_GRID_OFF_BLIND_METADATA_OFFSET
#define PNANOVDB_GRID_OFF_BLIND_METADATA_OFFSET
Definition PNanoVDB.h:1123
PNANOVDB_MAP_OFF_MATF
#define PNANOVDB_MAP_OFF_MATF
Definition PNanoVDB.h:1026
pnanovdb_upper_get_flags
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_upper_get_flags(pnanovdb_buf_t buf, pnanovdb_upper_handle_t p)
Definition PNanoVDB.h:1486
pnanovdb_leaf_coord_to_offset
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_leaf_coord_to_offset(PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:1765
PNANOVDB_ROOT_OFF_BBOX_MIN
#define PNANOVDB_ROOT_OFF_BBOX_MIN
Definition PNanoVDB.h:1395
pnanovdb_lower_get_stddev_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_stddev_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t node)
Definition PNanoVDB.h:2164
pnanovdb_leaf_onindexmask_get_value_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindexmask_get_value_index(pnanovdb_buf_t buf, pnanovdb_address_t value_address, PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:2055
pnanovdb_root_tile_get_value_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_tile_get_value_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_tile_handle_t root_tile)
Definition PNanoVDB.h:2320
pnanovdb_grid_set_flags
PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_flags(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t flags)
Definition PNanoVDB.h:1183
pnanovdb_upper_is_active_and_cache
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_upper_is_active_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t upper, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
Definition PNanoVDB.h:2809
pnanovdb_uint64_bit_mask
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_uint64_bit_mask(pnanovdb_uint32_t bit_idx)
Definition PNanoVDB.h:649
pnanovdb_gridblindmetadata_get_name
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_gridblindmetadata_get_name(pnanovdb_buf_t buf, pnanovdb_gridblindmetadata_handle_t p, pnanovdb_uint32_t index)
Definition PNanoVDB.h:1277
pnanovdb_root_is_active_and_cache
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_root_is_active_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
Definition PNanoVDB.h:2827
PNANOVDB_ROOT_TILE_OFF_CHILD
#define PNANOVDB_ROOT_TILE_OFF_CHILD
Definition PNanoVDB.h:1434
pnanovdb_tree_set_node_count_lower
PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_node_count_lower(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint32_t node_count_lower)
Definition PNanoVDB.h:1362
pnanovdb_uint64_to_uint32_lsr
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_uint64_to_uint32_lsr(pnanovdb_uint64_t a, pnanovdb_uint32_t b)
Definition PNanoVDB.h:644
pnanovdb_lower_get_value_address_and_level_and_cache
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_value_address_and_level_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t lower, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_INOUT(pnanovdb_uint32_t) level)
Definition PNanoVDB.h:2568
pnanovdb_grid_set_grid_size
PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_grid_size(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint64_t grid_size)
Definition PNanoVDB.h:1192
PNANOVDB_GRID_OFF_GRID_COUNT
#define PNANOVDB_GRID_OFF_GRID_COUNT
Definition PNanoVDB.h:1115
pnanovdb_grid_get_grid_class
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_grid_get_grid_class(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p)
Definition PNanoVDB.h:1161
pnanovdb_tree_get_node_offset_lower
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_tree_get_node_offset_lower(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p)
Definition PNanoVDB.h:1316
pnanovdb_grid_set_checksum
PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_checksum(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint64_t checksum)
Definition PNanoVDB.h:1177
pnanovdb_lower_get_value_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_value_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t lower, PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:2207
pnanovdb_uint64_any_bit
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_uint64_any_bit(pnanovdb_uint64_t a)
Definition PNanoVDB.h:659
PNANOVDB_LEAF_OFF_VALUE_MASK
#define PNANOVDB_LEAF_OFF_VALUE_MASK
Definition PNanoVDB.h:1584
pnanovdb_lower_get_bbox_max
PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_lower_get_bbox_max(pnanovdb_buf_t buf, pnanovdb_lower_handle_t p)
Definition PNanoVDB.h:1538
pnanovdb_tree_get_tile_count_lower
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_tree_get_tile_count_lower(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p)
Definition PNanoVDB.h:1337
pnanovdb_read_vec3u8
PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_read_vec3u8(pnanovdb_buf_t buf, pnanovdb_address_t address)
Definition PNanoVDB.h:852
pnanovdb_tree_set_node_offset_leaf
PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_node_offset_leaf(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint64_t node_offset_leaf)
Definition PNanoVDB.h:1347
pnanovdb_leaf_set_bbox_min
PNANOVDB_FORCE_INLINE void pnanovdb_leaf_set_bbox_min(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t p, PNANOVDB_IN(pnanovdb_coord_t) bbox_min)
Definition PNanoVDB.h:1601
pnanovdb_leaf_pointindex_get_point_count
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_pointindex_get_point_count(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
Definition PNanoVDB.h:2090
pnanovdb_lower_get_value_address_and_cache
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_value_address_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t lower, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
Definition PNanoVDB.h:2588
pnanovdb_read_bit
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_read_bit(pnanovdb_buf_t buf, pnanovdb_address_t address, pnanovdb_uint32_t bit_offset)
Definition PNanoVDB.h:862
pnanovdb_root_get_bbox_max
PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_root_get_bbox_max(pnanovdb_buf_t buf, pnanovdb_root_handle_t p)
Definition PNanoVDB.h:1402
pnanovdb_root_get_value_address_and_level
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_value_address_and_level(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_uint32_t) level)
Definition PNanoVDB.h:2326
pnanovdb_write_float
PNANOVDB_FORCE_INLINE void pnanovdb_write_float(pnanovdb_buf_t buf, pnanovdb_address_t address, float value)
Definition PNanoVDB.h:908
pnanovdb_leaf_pointindex_set_on
PNANOVDB_FORCE_INLINE void pnanovdb_leaf_pointindex_set_on(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t i)
Definition PNanoVDB.h:2122
pnanovdb_leaf_get_value_mask
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_leaf_get_value_mask(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t p, pnanovdb_uint32_t bit_index)
Definition PNanoVDB.h:1596
PNANOVDB_GRIDBLINDMETADATA_OFF_VALUE_SIZE
#define PNANOVDB_GRIDBLINDMETADATA_OFF_VALUE_SIZE
Definition PNanoVDB.h:1253
pnanovdb_grid_set_blind_metadata_count
PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_blind_metadata_count(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t metadata_count)
Definition PNanoVDB.h:1213
pnanovdb_root_set_tile_count
PNANOVDB_FORCE_INLINE void pnanovdb_root_set_tile_count(pnanovdb_buf_t buf, pnanovdb_root_handle_t p, pnanovdb_uint32_t tile_count)
Definition PNanoVDB.h:1415
PNANOVDB_MAP_OFF_VECD
#define PNANOVDB_MAP_OFF_VECD
Definition PNanoVDB.h:1032
pnanovdb_lower_get_value_address_and_level
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_value_address_and_level(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t lower, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_uint32_t) level)
Definition PNanoVDB.h:2189
pnanovdb_tree_set_voxel_count
PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_voxel_count(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint64_t voxel_count)
Definition PNanoVDB.h:1377
PNANOVDB_ROOT_OFF_TABLE_SIZE
#define PNANOVDB_ROOT_OFF_TABLE_SIZE
Definition PNanoVDB.h:1397
pnanovdb_leaf_get_bbox_min
PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_leaf_get_bbox_min(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t p)
Definition PNanoVDB.h:1590
PNANOVDB_LEAF_OFF_BBOX_DIF_AND_FLAGS
#define PNANOVDB_LEAF_OFF_BBOX_DIF_AND_FLAGS
Definition PNanoVDB.h:1583
pnanovdb_uint64_offset
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_uint64_offset(pnanovdb_uint64_t a, pnanovdb_uint32_t b)
Definition PNanoVDB.h:634
pnanovdb_tree_set_tile_count_leaf
PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_tile_count_leaf(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint32_t tile_count_leaf)
Definition PNanoVDB.h:1368
pnanovdb_gridblindmetadata_get_value_count
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_gridblindmetadata_get_value_count(pnanovdb_buf_t buf, pnanovdb_gridblindmetadata_handle_t p)
Definition PNanoVDB.h:1262
pnanovdb_grid_get_gridblindmetadata
PNANOVDB_FORCE_INLINE pnanovdb_gridblindmetadata_handle_t pnanovdb_grid_get_gridblindmetadata(pnanovdb_buf_t buf, pnanovdb_grid_handle_t grid, pnanovdb_uint32_t index)
Definition PNanoVDB.h:1675
pnanovdb_root_get_dim_and_cache
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_root_get_dim_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
Definition PNanoVDB.h:2737
pnanovdb_upper_get_bbox_max
PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_upper_get_bbox_max(pnanovdb_buf_t buf, pnanovdb_upper_handle_t p)
Definition PNanoVDB.h:1483
PNANOVDB_LOWER_OFF_FLAGS
#define PNANOVDB_LOWER_OFF_FLAGS
Definition PNanoVDB.h:1531
pnanovdb_grid_get_version
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_grid_get_version(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p)
Definition PNanoVDB.h:1132
pnanovdb_readaccessor_get_value_address_bit
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_readaccessor_get_value_address_bit(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_uint32_t) bit_index)
Definition PNanoVDB.h:2686
pnanovdb_map_get_taperf
PNANOVDB_FORCE_INLINE float pnanovdb_map_get_taperf(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index)
Definition PNanoVDB.h:1044
pnanovdb_leaf_get_dim_and_cache
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_leaf_get_dim_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
Definition PNanoVDB.h:2696
pnanovdb_leaf_onindexmask_get_max_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindexmask_get_max_index(pnanovdb_buf_t buf, pnanovdb_address_t max_address)
Definition PNanoVDB.h:2043
pnanovdb_grid_set_version
PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_version(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t version)
Definition PNanoVDB.h:1180
pnanovdb_map_set_taperd
PNANOVDB_FORCE_INLINE void pnanovdb_map_set_taperd(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index, double taperd)
Definition PNanoVDB.h:1081
pnanovdb_tree_get_node_offset_root
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_tree_get_node_offset_root(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p)
Definition PNanoVDB.h:1322
pnanovdb_tree_get_node_offset_leaf
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_tree_get_node_offset_leaf(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p)
Definition PNanoVDB.h:1313
pnanovdb_uint64_and
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_uint64_and(pnanovdb_uint64_t a, pnanovdb_uint64_t b)
Definition PNanoVDB.h:654
pnanovdb_lower_get_min_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_min_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t node)
Definition PNanoVDB.h:2146
pnanovdb_map_apply
PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_map_apply(pnanovdb_buf_t buf, pnanovdb_map_handle_t map, PNANOVDB_IN(pnanovdb_vec3_t) src)
Definition PNanoVDB.h:2876
pnanovdb_leaf_onindex_get_ave_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindex_get_ave_index(pnanovdb_buf_t buf, pnanovdb_address_t ave_address)
Definition PNanoVDB.h:1978
pnanovdb_leaf_onindex_get_last_offset
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindex_get_last_offset(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
Definition PNanoVDB.h:1944
pnanovdb_upper_get_stddev_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_stddev_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t node)
Definition PNanoVDB.h:2240
PNANOVDB_GRID_TYPE_ONINDEX
#define PNANOVDB_GRID_TYPE_ONINDEX
Definition PNanoVDB.h:959
pnanovdb_uint32_countbits
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_uint32_countbits(pnanovdb_uint32_t value)
Definition PNanoVDB.h:554
pnanovdb_grid_world_to_index_dirf
PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_grid_world_to_index_dirf(pnanovdb_buf_t buf, pnanovdb_grid_handle_t grid, PNANOVDB_IN(pnanovdb_vec3_t) src)
Definition PNanoVDB.h:2936
pnanovdb_lower_get_table_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_table_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t node, pnanovdb_uint32_t n)
Definition PNanoVDB.h:2170
pnanovdb_leaf_indexmask_get_value_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_indexmask_get_value_index(pnanovdb_buf_t buf, pnanovdb_address_t value_address, PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:1905
pnanovdb_leaf_pointindex_get_last
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_pointindex_get_last(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t i)
Definition PNanoVDB.h:2099
pnanovdb_write_double
PNANOVDB_FORCE_INLINE void pnanovdb_write_double(pnanovdb_buf_t buf, pnanovdb_address_t address, double value)
Definition PNanoVDB.h:912
pnanovdb_lower_get_flags
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_lower_get_flags(pnanovdb_buf_t buf, pnanovdb_lower_handle_t p)
Definition PNanoVDB.h:1541
pnanovdb_grid_index_to_worldf
PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_grid_index_to_worldf(pnanovdb_buf_t buf, pnanovdb_grid_handle_t grid, PNANOVDB_IN(pnanovdb_vec3_t) src)
Definition PNanoVDB.h:2930
pnanovdb_upper_get_value_mask
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_upper_get_value_mask(pnanovdb_buf_t buf, pnanovdb_upper_handle_t p, pnanovdb_uint32_t bit_index)
Definition PNanoVDB.h:1489
pnanovdb_tree_set_tile_count_lower
PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_tile_count_lower(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint32_t tile_count_lower)
Definition PNanoVDB.h:1371
pnanovdb_leaf_onindexmask_get_min_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindexmask_get_min_index(pnanovdb_buf_t buf, pnanovdb_address_t min_address)
Definition PNanoVDB.h:2039
pnanovdb_grid_type_minmax_aligns_bits
PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_minmax_aligns_bits[27]
Definition PNanoVDB.h:1003
pnanovdb_map_set_invmatd
PNANOVDB_FORCE_INLINE void pnanovdb_map_set_invmatd(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index, double invmatd)
Definition PNanoVDB.h:1075
pnanovdb_root_get_child
PNANOVDB_FORCE_INLINE pnanovdb_upper_handle_t pnanovdb_root_get_child(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, pnanovdb_root_tile_handle_t tile)
Definition PNanoVDB.h:1722
pnanovdb_uint64_countbits
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_uint64_countbits(pnanovdb_uint64_t value)
Definition PNanoVDB.h:574
PNANOVDB_GRID_OFF_GRID_INDEX
#define PNANOVDB_GRID_OFF_GRID_INDEX
Definition PNanoVDB.h:1114
pnanovdb_grid_get_blind_metadata_count
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_grid_get_blind_metadata_count(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p)
Definition PNanoVDB.h:1170
pnanovdb_lower_coord_to_offset
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_lower_coord_to_offset(PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:2139
pnanovdb_leaf_pointindex_set_value
PNANOVDB_FORCE_INLINE void pnanovdb_leaf_pointindex_set_value(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t i, pnanovdb_uint32_t value)
Definition PNanoVDB.h:2131
PNANOVDB_UPPER_OFF_BBOX_MIN
#define PNANOVDB_UPPER_OFF_BBOX_MIN
Definition PNanoVDB.h:1474
pnanovdb_lower_get_table_child
PNANOVDB_FORCE_INLINE pnanovdb_int64_t pnanovdb_lower_get_table_child(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t node, pnanovdb_uint32_t n)
Definition PNanoVDB.h:2176
PNANOVDB_GRID_OFF_MAP
#define PNANOVDB_GRID_OFF_MAP
Definition PNanoVDB.h:1118
PNANOVDB_LOWER_OFF_BBOX_MIN
#define PNANOVDB_LOWER_OFF_BBOX_MIN
Definition PNanoVDB.h:1529
pnanovdb_root_tile_set_child
PNANOVDB_FORCE_INLINE void pnanovdb_root_tile_set_child(pnanovdb_buf_t buf, pnanovdb_root_tile_handle_t p, pnanovdb_int64_t child)
Definition PNanoVDB.h:1450
pnanovdb_tree_set_node_offset_root
PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_node_offset_root(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint64_t node_offset_root)
Definition PNanoVDB.h:1356
pnanovdb_grid_type_stat_strides_bits
PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_stat_strides_bits[27]
Definition PNanoVDB.h:1005
pnanovdb_leaf_fp16_read_float
PNANOVDB_FORCE_INLINE float pnanovdb_leaf_fp16_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:1836
pnanovdb_grid_set_grid_type
PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_grid_type(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t grid_type)
Definition PNanoVDB.h:1207
pnanovdb_readaccessor_iscached2
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_readaccessor_iscached2(PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, int dirty)
Definition PNanoVDB.h:2547
PNANOVDB_GRIDBLINDMETADATA_OFF_SEMANTIC
#define PNANOVDB_GRIDBLINDMETADATA_OFF_SEMANTIC
Definition PNanoVDB.h:1254
PNANOVDB_GRID_OFF_WORLD_BBOX
#define PNANOVDB_GRID_OFF_WORLD_BBOX
Definition PNanoVDB.h:1119
PNANOVDB_TREE_OFF_NODE_OFFSET_UPPER
#define PNANOVDB_TREE_OFF_NODE_OFFSET_UPPER
Definition PNanoVDB.h:1303
pnanovdb_tree_get_voxel_count
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_tree_get_voxel_count(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p)
Definition PNanoVDB.h:1343
pnanovdb_grid_get_map
PNANOVDB_FORCE_INLINE pnanovdb_map_handle_t pnanovdb_grid_get_map(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p)
Definition PNanoVDB.h:1150
pnanovdb_leaf_get_value_address_and_cache
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_leaf_get_value_address_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
Definition PNanoVDB.h:2562
PNANOVDB_LOWER_OFF_VALUE_MASK
#define PNANOVDB_LOWER_OFF_VALUE_MASK
Definition PNanoVDB.h:1532
pnanovdb_map_get_matd
PNANOVDB_FORCE_INLINE double pnanovdb_map_get_matd(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index)
Definition PNanoVDB.h:1047
pnanovdb_root_get_tile_zero
PNANOVDB_FORCE_INLINE pnanovdb_root_tile_handle_t pnanovdb_root_get_tile_zero(pnanovdb_grid_type_t grid_type, pnanovdb_root_handle_t root)
Definition PNanoVDB.h:1715
pnanovdb_write_int32
PNANOVDB_FORCE_INLINE void pnanovdb_write_int32(pnanovdb_buf_t buf, pnanovdb_address_t address, pnanovdb_int32_t value)
Definition PNanoVDB.h:900
PNANOVDB_ROOT_OFF_BBOX_MAX
#define PNANOVDB_ROOT_OFF_BBOX_MAX
Definition PNanoVDB.h:1396
pnanovdb_write_uint64
PNANOVDB_FORCE_INLINE void pnanovdb_write_uint64(pnanovdb_buf_t buf, pnanovdb_address_t address, pnanovdb_uint64_t value)
Definition PNanoVDB.h:896
PNANOVDB_UPPER_OFF_CHILD_MASK
#define PNANOVDB_UPPER_OFF_CHILD_MASK
Definition PNanoVDB.h:1478
pnanovdb_leaf_onindex_get_max_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindex_get_max_index(pnanovdb_buf_t buf, pnanovdb_address_t max_address)
Definition PNanoVDB.h:1967
pnanovdb_tree_set_tile_count_upper
PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_tile_count_upper(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint32_t tile_count_upper)
Definition PNanoVDB.h:1374
PNANOVDB_MAP_OFF_VECF
#define PNANOVDB_MAP_OFF_VECF
Definition PNanoVDB.h:1028
pnanovdb_lower_set_bbox_max
PNANOVDB_FORCE_INLINE void pnanovdb_lower_set_bbox_max(pnanovdb_buf_t buf, pnanovdb_lower_handle_t p, PNANOVDB_IN(pnanovdb_coord_t) bbox_max)
Definition PNanoVDB.h:1556
PNANOVDB_GRID_TYPE_VEC3U16
#define PNANOVDB_GRID_TYPE_VEC3U16
Definition PNanoVDB.h:964
pnanovdb_root_set_bbox_min
PNANOVDB_FORCE_INLINE void pnanovdb_root_set_bbox_min(pnanovdb_buf_t buf, pnanovdb_root_handle_t p, PNANOVDB_IN(pnanovdb_coord_t) bbox_min)
Definition PNanoVDB.h:1409
pnanovdb_make_version
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_make_version(pnanovdb_uint32_t major, pnanovdb_uint32_t minor, pnanovdb_uint32_t patch_num)
Definition PNanoVDB.h:1217
pnanovdb_upper_get_value_address_and_cache
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_value_address_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t upper, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
Definition PNanoVDB.h:2619
pnanovdb_grid_set_grid_index
PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_grid_index(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t grid_index)
Definition PNanoVDB.h:1186
PNANOVDB_TREE_OFF_VOXEL_COUNT
#define PNANOVDB_TREE_OFF_VOXEL_COUNT
Definition PNanoVDB.h:1311
pnanovdb_write_vec3
PNANOVDB_FORCE_INLINE void pnanovdb_write_vec3(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_vec3_t) value)
Definition PNanoVDB.h:922
pnanovdb_map_set_invmatf
PNANOVDB_FORCE_INLINE void pnanovdb_map_set_invmatf(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index, float invmatf)
Definition PNanoVDB.h:1063
pnanovdb_upper_set_table_child
PNANOVDB_FORCE_INLINE void pnanovdb_upper_set_table_child(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t node, pnanovdb_uint32_t n, pnanovdb_int64_t child)
Definition PNanoVDB.h:2288
pnanovdb_lower_set_table_child
PNANOVDB_FORCE_INLINE void pnanovdb_lower_set_table_child(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t node, pnanovdb_uint32_t n, pnanovdb_int64_t child)
Definition PNanoVDB.h:2594
pnanovdb_map_set_vecf
PNANOVDB_FORCE_INLINE void pnanovdb_map_set_vecf(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index, float vecf)
Definition PNanoVDB.h:1066
pnanovdb_leaf_fp4_read_float
PNANOVDB_FORCE_INLINE float pnanovdb_leaf_fp4_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:1826
pnanovdb_tree_get_tile_count_leaf
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_tree_get_tile_count_leaf(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p)
Definition PNanoVDB.h:1334
pnanovdb_root_get_value_address_and_cache
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_value_address_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
Definition PNanoVDB.h:2649
pnanovdb_upper_get_value_address_and_level
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_value_address_and_level(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t upper, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_uint32_t) level)
Definition PNanoVDB.h:2265
pnanovdb_leaf_pointindex_get_value
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_pointindex_get_value(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t i)
Definition PNanoVDB.h:2104
PNANOVDB_GRID_TYPE_POINTINDEX
#define PNANOVDB_GRID_TYPE_POINTINDEX
Definition PNanoVDB.h:962
PNANOVDB_LEAF_TABLE_NEG_OFF_QUANTUM
#define PNANOVDB_LEAF_TABLE_NEG_OFF_QUANTUM
Definition PNanoVDB.h:1588
pnanovdb_grid_type_table_strides_bits
PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_table_strides_bits[27]
Definition PNanoVDB.h:999
pnanovdb_upper_get_dim_and_cache
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_upper_get_dim_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t upper, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
Definition PNanoVDB.h:2719
pnanovdb_readaccessor_iscached1
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_readaccessor_iscached1(PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, int dirty)
Definition PNanoVDB.h:2537
pnanovdb_read_uint16
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_read_uint16(pnanovdb_buf_t buf, pnanovdb_address_t address)
Definition PNanoVDB.h:833
pnanovdb_leaf_onindexmask_get_dev_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindexmask_get_dev_index(pnanovdb_buf_t buf, pnanovdb_address_t dev_address)
Definition PNanoVDB.h:2051
pnanovdb_upper_get_table_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_table_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t node, pnanovdb_uint32_t n)
Definition PNanoVDB.h:2246
PNANOVDB_MAP_OFF_TAPERF
#define PNANOVDB_MAP_OFF_TAPERF
Definition PNanoVDB.h:1029
PNANOVDB_TREE_OFF_NODE_OFFSET_LEAF
#define PNANOVDB_TREE_OFF_NODE_OFFSET_LEAF
Definition PNanoVDB.h:1301
pnanovdb_root_pointindex_get_point_range
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_root_pointindex_get_point_range(pnanovdb_buf_t buf, pnanovdb_address_t value_address, PNANOVDB_IN(pnanovdb_coord_t) ijk, pnanovdb_uint32_t level, PNANOVDB_INOUT(pnanovdb_uint64_t) range_begin, PNANOVDB_INOUT(pnanovdb_uint64_t) range_end)
Definition PNanoVDB.h:2446
pnanovdb_grid_get_magic
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_grid_get_magic(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p)
Definition PNanoVDB.h:1126
pnanovdb_leaf_fp8_read_float
PNANOVDB_FORCE_INLINE float pnanovdb_leaf_fp8_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:1831
pnanovdb_grid_get_blind_metadata_offset
PNANOVDB_FORCE_INLINE pnanovdb_int64_t pnanovdb_grid_get_blind_metadata_offset(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p)
Definition PNanoVDB.h:1167
pnanovdb_tree_get_node_count_leaf
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_tree_get_node_count_leaf(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p)
Definition PNanoVDB.h:1325
pnanovdb_grid_get_checksum
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_grid_get_checksum(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p)
Definition PNanoVDB.h:1129
pnanovdb_tree_set_node_offset_lower
PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_node_offset_lower(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint64_t node_offset_lower)
Definition PNanoVDB.h:1350
pnanovdb_root_tile_set_key
PNANOVDB_FORCE_INLINE void pnanovdb_root_tile_set_key(pnanovdb_buf_t buf, pnanovdb_root_tile_handle_t p, pnanovdb_uint64_t key)
Definition PNanoVDB.h:1447
pnanovdb_read_uint32
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_read_uint32(pnanovdb_buf_t buf, pnanovdb_address_t address)
Definition PNanoVDB.h:792
PNANOVDB_GRID_OFF_CHECKSUM
#define PNANOVDB_GRID_OFF_CHECKSUM
Definition PNanoVDB.h:1111
PNANOVDB_MAP_OFF_INVMATD
#define PNANOVDB_MAP_OFF_INVMATD
Definition PNanoVDB.h:1031
pnanovdb_tree_set_node_count_leaf
PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_node_count_leaf(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint32_t node_count_leaf)
Definition PNanoVDB.h:1359
PNANOVDB_TREE_OFF_NODE_OFFSET_ROOT
#define PNANOVDB_TREE_OFF_NODE_OFFSET_ROOT
Definition PNanoVDB.h:1304
PNANOVDB_GRIDBLINDMETADATA_OFF_DATA_CLASS
#define PNANOVDB_GRIDBLINDMETADATA_OFF_DATA_CLASS
Definition PNanoVDB.h:1255
pnanovdb_grid_get_grid_index
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_grid_get_grid_index(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p)
Definition PNanoVDB.h:1138
pnanovdb_upper_get_value_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_value_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t upper, PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:2282
PNANOVDB_LEAF_TABLE_NEG_OFF_MINIMUM
#define PNANOVDB_LEAF_TABLE_NEG_OFF_MINIMUM
Definition PNanoVDB.h:1587
pnanovdb_grid_type_leaf_type
PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_leaf_type[27]
Definition PNanoVDB.h:1007
pnanovdb_lower_set_child_mask
PNANOVDB_FORCE_INLINE void pnanovdb_lower_set_child_mask(pnanovdb_buf_t buf, pnanovdb_lower_handle_t p, pnanovdb_uint32_t bit_index, pnanovdb_bool_t value)
Definition PNanoVDB.h:1559
pnanovdb_lower_get_bbox_min
PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_lower_get_bbox_min(pnanovdb_buf_t buf, pnanovdb_lower_handle_t p)
Definition PNanoVDB.h:1535
pnanovdb_version_get_major
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_version_get_major(pnanovdb_uint32_t version)
Definition PNanoVDB.h:1222
pnanovdb_grid_get_gridblindmetadata_value_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_grid_get_gridblindmetadata_value_address(pnanovdb_buf_t buf, pnanovdb_grid_handle_t grid, pnanovdb_uint32_t index)
Definition PNanoVDB.h:1684
pnanovdb_grid_get_grid_name
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_grid_get_grid_name(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t index)
Definition PNanoVDB.h:1147
pnanovdb_tree_get_node_count_upper
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_tree_get_node_count_upper(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p)
Definition PNanoVDB.h:1331
pnanovdb_lower_get_ave_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_ave_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t node)
Definition PNanoVDB.h:2158
PNANOVDB_GRID_OFF_GRID_TYPE
#define PNANOVDB_GRID_OFF_GRID_TYPE
Definition PNanoVDB.h:1122
pnanovdb_root_get_min_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_min_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root)
Definition PNanoVDB.h:2296
pnanovdb_upper_set_child_mask
PNANOVDB_FORCE_INLINE void pnanovdb_upper_set_child_mask(pnanovdb_buf_t buf, pnanovdb_upper_handle_t p, pnanovdb_uint32_t bit_index, pnanovdb_bool_t value)
Definition PNanoVDB.h:1504
PNANOVDB_MAP_OFF_INVMATF
#define PNANOVDB_MAP_OFF_INVMATF
Definition PNanoVDB.h:1027
pnanovdb_root_fp8_read_float
PNANOVDB_FORCE_INLINE float pnanovdb_root_fp8_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk, pnanovdb_uint32_t level)
Definition PNanoVDB.h:2376
pnanovdb_read_int32
PNANOVDB_FORCE_INLINE pnanovdb_int32_t pnanovdb_read_int32(pnanovdb_buf_t buf, pnanovdb_address_t address)
Definition PNanoVDB.h:800
PNANOVDB_GRID_SIZE
#define PNANOVDB_GRID_SIZE
Definition PNanoVDB.h:1108
pnanovdb_leaf_onindex_get_min_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindex_get_min_index(pnanovdb_buf_t buf, pnanovdb_address_t min_address)
Definition PNanoVDB.h:1956
pnanovdb_map_set_taperf
PNANOVDB_FORCE_INLINE void pnanovdb_map_set_taperf(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index, float taperf)
Definition PNanoVDB.h:1069
PNANOVDB_GRIDBLINDMETADATA_OFF_DATA_OFFSET
#define PNANOVDB_GRIDBLINDMETADATA_OFF_DATA_OFFSET
Definition PNanoVDB.h:1251
PNANOVDB_ROOT_TILE_OFF_KEY
#define PNANOVDB_ROOT_TILE_OFF_KEY
Definition PNanoVDB.h:1433
PNANOVDB_TREE_OFF_NODE_OFFSET_LOWER
#define PNANOVDB_TREE_OFF_NODE_OFFSET_LOWER
Definition PNanoVDB.h:1302
pnanovdb_upper_get_value_address_and_level_and_cache
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_value_address_and_level_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t upper, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_INOUT(pnanovdb_uint32_t) level)
Definition PNanoVDB.h:2600
pnanovdb_leaf_is_active_and_cache
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_leaf_is_active_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
Definition PNanoVDB.h:2785
pnanovdb_grid_type_constants
PNANOVDB_STATIC_CONST pnanovdb_grid_type_constants_t pnanovdb_grid_type_constants[27]
Definition PNanoVDB.h:1642
pnanovdb_lower_set_bbox_min
PNANOVDB_FORCE_INLINE void pnanovdb_lower_set_bbox_min(pnanovdb_buf_t buf, pnanovdb_lower_handle_t p, PNANOVDB_IN(pnanovdb_coord_t) bbox_min)
Definition PNanoVDB.h:1553
pnanovdb_tree_get_node_offset_upper
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_tree_get_node_offset_upper(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p)
Definition PNanoVDB.h:1319
pnanovdb_leaf_indexmask_get_mask_bit
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_leaf_indexmask_get_mask_bit(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t n)
Definition PNanoVDB.h:1909
pnanovdb_grid_set_magic
PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_magic(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint64_t magic)
Definition PNanoVDB.h:1174
pnanovdb_readaccessor_is_active
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_readaccessor_is_active(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:2850
PNANOVDB_UPPER_OFF_BBOX_MAX
#define PNANOVDB_UPPER_OFF_BBOX_MAX
Definition PNanoVDB.h:1475
pnanovdb_map_set_vecd
PNANOVDB_FORCE_INLINE void pnanovdb_map_set_vecd(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index, double vecd)
Definition PNanoVDB.h:1078
pnanovdb_lower_get_max_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_lower_get_max_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t node)
Definition PNanoVDB.h:2152
pnanovdb_map_set_matd
PNANOVDB_FORCE_INLINE void pnanovdb_map_set_matd(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index, double matd)
Definition PNanoVDB.h:1072
PNANOVDB_MAP_OFF_MATD
#define PNANOVDB_MAP_OFF_MATD
Definition PNanoVDB.h:1030
PNANOVDB_LOWER_OFF_BBOX_MAX
#define PNANOVDB_LOWER_OFF_BBOX_MAX
Definition PNanoVDB.h:1530
pnanovdb_lower_get_dim_and_cache
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_lower_get_dim_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t lower, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
Definition PNanoVDB.h:2701
pnanovdb_write_uint32
PNANOVDB_FORCE_INLINE void pnanovdb_write_uint32(pnanovdb_buf_t buf, pnanovdb_address_t address, pnanovdb_uint32_t value)
Definition PNanoVDB.h:892
pnanovdb_tree_get_node_count_lower
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_tree_get_node_count_lower(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p)
Definition PNanoVDB.h:1328
pnanovdb_readaccessor_get_dim
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_readaccessor_get_dim(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:2759
pnanovdb_upper_set_bbox_max
PNANOVDB_FORCE_INLINE void pnanovdb_upper_set_bbox_max(pnanovdb_buf_t buf, pnanovdb_upper_handle_t p, PNANOVDB_IN(pnanovdb_coord_t) bbox_max)
Definition PNanoVDB.h:1501
pnanovdb_map_apply_jacobi
PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_map_apply_jacobi(pnanovdb_buf_t buf, pnanovdb_map_handle_t map, PNANOVDB_IN(pnanovdb_vec3_t) src)
Definition PNanoVDB.h:2900
pnanovdb_tree_get_root
PNANOVDB_FORCE_INLINE pnanovdb_root_handle_t pnanovdb_tree_get_root(pnanovdb_buf_t buf, pnanovdb_tree_handle_t tree)
Definition PNanoVDB.h:1699
pnanovdb_grid_set_grid_class
PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_grid_class(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t grid_class)
Definition PNanoVDB.h:1204
PNANOVDB_GRID_OFF_GRID_CLASS
#define PNANOVDB_GRID_OFF_GRID_CLASS
Definition PNanoVDB.h:1121
pnanovdb_read_double
PNANOVDB_FORCE_INLINE double pnanovdb_read_double(pnanovdb_buf_t buf, pnanovdb_address_t address)
Definition PNanoVDB.h:812
PNANOVDB_GRID_TYPE_END
#define PNANOVDB_GRID_TYPE_END
Definition PNanoVDB.h:966
pnanovdb_readaccessor_get_value_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_readaccessor_get_value_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:2680
pnanovdb_root_get_bbox_min
PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_root_get_bbox_min(pnanovdb_buf_t buf, pnanovdb_root_handle_t p)
Definition PNanoVDB.h:1399
pnanovdb_root_fp16_read_float
PNANOVDB_FORCE_INLINE float pnanovdb_root_fp16_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk, pnanovdb_uint32_t level)
Definition PNanoVDB.h:2390
pnanovdb_grid_get_grid_count
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_grid_get_grid_count(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p)
Definition PNanoVDB.h:1141
pnanovdb_leaf_indexmask_get_max_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_indexmask_get_max_index(pnanovdb_buf_t buf, pnanovdb_address_t max_address)
Definition PNanoVDB.h:1893
pnanovdb_grid_set_grid_name
PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_grid_name(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t index, pnanovdb_uint32_t grid_name)
Definition PNanoVDB.h:1195
pnanovdb_grid_type_value_strides_bits
PNANOVDB_STATIC_CONST pnanovdb_uint32_t pnanovdb_grid_type_value_strides_bits[27]
Definition PNanoVDB.h:997
pnanovdb_read_int64
PNANOVDB_FORCE_INLINE pnanovdb_int64_t pnanovdb_read_int64(pnanovdb_buf_t buf, pnanovdb_address_t address)
Definition PNanoVDB.h:808
pnanovdb_map_get_vecd
PNANOVDB_FORCE_INLINE double pnanovdb_map_get_vecd(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index)
Definition PNanoVDB.h:1053
pnanovdb_map_get_invmatd
PNANOVDB_FORCE_INLINE double pnanovdb_map_get_invmatd(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index)
Definition PNanoVDB.h:1050
pnanovdb_root_tile_get_key
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_root_tile_get_key(pnanovdb_buf_t buf, pnanovdb_root_tile_handle_t p)
Definition PNanoVDB.h:1437
pnanovdb_map_apply_inverse_jacobi
PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_map_apply_inverse_jacobi(pnanovdb_buf_t buf, pnanovdb_map_handle_t map, PNANOVDB_IN(pnanovdb_vec3_t) src)
Definition PNanoVDB.h:2912
pnanovdb_root_fpn_read_float
PNANOVDB_FORCE_INLINE float pnanovdb_root_fpn_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk, pnanovdb_uint32_t level)
Definition PNanoVDB.h:2404
pnanovdb_read_vec3
PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_read_vec3(pnanovdb_buf_t buf, pnanovdb_address_t address)
Definition PNanoVDB.h:824
pnanovdb_leaf_onindex_get_value_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindex_get_value_index(pnanovdb_buf_t buf, pnanovdb_address_t value_address, PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:2000
pnanovdb_lower_is_active_and_cache
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_lower_is_active_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t lower, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc)
Definition PNanoVDB.h:2791
pnanovdb_leaf_pointindex_set_value_only
PNANOVDB_FORCE_INLINE void pnanovdb_leaf_pointindex_set_value_only(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t i, pnanovdb_uint32_t value)
Definition PNanoVDB.h:2108
pnanovdb_readaccessor_computedirty
PNANOVDB_FORCE_INLINE int pnanovdb_readaccessor_computedirty(PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:2557
PNANOVDB_GRIDBLINDMETADATA_OFF_NAME
#define PNANOVDB_GRIDBLINDMETADATA_OFF_NAME
Definition PNanoVDB.h:1257
pnanovdb_leaf_onindexmask_get_mask_bit
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_leaf_onindexmask_get_mask_bit(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t n)
Definition PNanoVDB.h:2059
pnanovdb_tree_set_node_count_upper
PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_node_count_upper(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint32_t node_count_upper)
Definition PNanoVDB.h:1365
pnanovdb_lower_get_child_mask
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_lower_get_child_mask(pnanovdb_buf_t buf, pnanovdb_lower_handle_t p, pnanovdb_uint32_t bit_index)
Definition PNanoVDB.h:1548
pnanovdb_root_set_bbox_max
PNANOVDB_FORCE_INLINE void pnanovdb_root_set_bbox_max(pnanovdb_buf_t buf, pnanovdb_root_handle_t p, PNANOVDB_IN(pnanovdb_coord_t) bbox_max)
Definition PNanoVDB.h:1412
pnanovdb_leaf_get_value_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_leaf_get_value_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:1802
PNANOVDB_GRID_OFF_GRID_NAME
#define PNANOVDB_GRID_OFF_GRID_NAME
Definition PNanoVDB.h:1117
pnanovdb_leaf_indexmask_has_stats
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_leaf_indexmask_has_stats(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
Definition PNanoVDB.h:1885
pnanovdb_leaf_index_get_min_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_index_get_min_index(pnanovdb_buf_t buf, pnanovdb_address_t min_address)
Definition PNanoVDB.h:1856
PNANOVDB_TREE_OFF_NODE_COUNT_LEAF
#define PNANOVDB_TREE_OFF_NODE_COUNT_LEAF
Definition PNanoVDB.h:1305
pnanovdb_upper_get_child
PNANOVDB_FORCE_INLINE pnanovdb_lower_handle_t pnanovdb_upper_get_child(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t upper, pnanovdb_uint32_t n)
Definition PNanoVDB.h:2258
pnanovdb_map_get_taperd
PNANOVDB_FORCE_INLINE double pnanovdb_map_get_taperd(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index)
Definition PNanoVDB.h:1056
pnanovdb_upper_get_table_child
PNANOVDB_FORCE_INLINE pnanovdb_int64_t pnanovdb_upper_get_table_child(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t node, pnanovdb_uint32_t n)
Definition PNanoVDB.h:2252
pnanovdb_leaf_get_max_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_leaf_get_max_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t node)
Definition PNanoVDB.h:1778
pnanovdb_leaf_onindex_get_dev_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindex_get_dev_index(pnanovdb_buf_t buf, pnanovdb_address_t dev_address)
Definition PNanoVDB.h:1989
pnanovdb_upper_set_bbox_min
PNANOVDB_FORCE_INLINE void pnanovdb_upper_set_bbox_min(pnanovdb_buf_t buf, pnanovdb_upper_handle_t p, PNANOVDB_IN(pnanovdb_coord_t) bbox_min)
Definition PNanoVDB.h:1498
PNANOVDB_GRID_OFF_VOXEL_SIZE
#define PNANOVDB_GRID_OFF_VOXEL_SIZE
Definition PNanoVDB.h:1120
pnanovdb_grid_world_to_indexf
PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_grid_world_to_indexf(pnanovdb_buf_t buf, pnanovdb_grid_handle_t grid, PNANOVDB_IN(pnanovdb_vec3_t) src)
Definition PNanoVDB.h:2924
pnanovdb_write_coord
PNANOVDB_FORCE_INLINE void pnanovdb_write_coord(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) value)
Definition PNanoVDB.h:916
pnanovdb_read_uint64
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_read_uint64(pnanovdb_buf_t buf, pnanovdb_address_t address)
Definition PNanoVDB.h:796
pnanovdb_gridblindmetadata_get_data_class
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_gridblindmetadata_get_data_class(pnanovdb_buf_t buf, pnanovdb_gridblindmetadata_handle_t p)
Definition PNanoVDB.h:1271
pnanovdb_grid_index_to_world_dirf
PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_grid_index_to_world_dirf(pnanovdb_buf_t buf, pnanovdb_grid_handle_t grid, PNANOVDB_IN(pnanovdb_vec3_t) src)
Definition PNanoVDB.h:2942
pnanovdb_map_apply_inverse
PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_map_apply_inverse(pnanovdb_buf_t buf, pnanovdb_map_handle_t map, PNANOVDB_IN(pnanovdb_vec3_t) src)
Definition PNanoVDB.h:2888
pnanovdb_tree_get_tile_count_upper
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_tree_get_tile_count_upper(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p)
Definition PNanoVDB.h:1340
pnanovdb_upper_get_child_mask
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_upper_get_child_mask(pnanovdb_buf_t buf, pnanovdb_upper_handle_t p, pnanovdb_uint32_t bit_index)
Definition PNanoVDB.h:1493
pnanovdb_leaf_onindex_has_stats
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_leaf_onindex_has_stats(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
Definition PNanoVDB.h:1951
pnanovdb_upper_get_ave_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_ave_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t node)
Definition PNanoVDB.h:2234
PNANOVDB_GRID_OFF_MAGIC
#define PNANOVDB_GRID_OFF_MAGIC
Definition PNanoVDB.h:1110
PNANOVDB_GRIDBLINDMETADATA_OFF_DATA_TYPE
#define PNANOVDB_GRIDBLINDMETADATA_OFF_DATA_TYPE
Definition PNanoVDB.h:1256
pnanovdb_grid_get_grid_size
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_grid_get_grid_size(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p)
Definition PNanoVDB.h:1144
pnanovdb_leaf_get_table_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_leaf_get_table_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t node, pnanovdb_uint32_t n)
Definition PNanoVDB.h:1796
PNANOVDB_LEAF_OFF_BBOX_MIN
#define PNANOVDB_LEAF_OFF_BBOX_MIN
Definition PNanoVDB.h:1582
pnanovdb_grid_set_voxel_size
PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_voxel_size(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t index, double voxel_size)
Definition PNanoVDB.h:1201
pnanovdb_leaf_onindexmask_get_value_count
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_leaf_onindexmask_get_value_count(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
Definition PNanoVDB.h:2027
pnanovdb_upper_get_min_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_min_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t node)
Definition PNanoVDB.h:2222
pnanovdb_root_get_value_address_bit
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_value_address_bit(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_uint32_t) bit_index)
Definition PNanoVDB.h:2354
pnanovdb_lower_get_child
PNANOVDB_FORCE_INLINE pnanovdb_leaf_handle_t pnanovdb_lower_get_child(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_lower_handle_t lower, pnanovdb_uint32_t n)
Definition PNanoVDB.h:2182
pnanovdb_leaf_pointindex_get_offset
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_pointindex_get_offset(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
Definition PNanoVDB.h:2086
pnanovdb_read_uint8
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_read_uint8(pnanovdb_buf_t buf, pnanovdb_address_t address)
Definition PNanoVDB.h:838
pnanovdb_upper_get_bbox_min
PNANOVDB_FORCE_INLINE pnanovdb_coord_t pnanovdb_upper_get_bbox_min(pnanovdb_buf_t buf, pnanovdb_upper_handle_t p)
Definition PNanoVDB.h:1480
pnanovdb_read_vec3u16
PNANOVDB_FORCE_INLINE pnanovdb_vec3_t pnanovdb_read_vec3u16(pnanovdb_buf_t buf, pnanovdb_address_t address)
Definition PNanoVDB.h:843
pnanovdb_read_float
PNANOVDB_FORCE_INLINE float pnanovdb_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address)
Definition PNanoVDB.h:804
pnanovdb_coord_to_key
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_coord_to_key(PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:1729
pnanovdb_map_set_matf
PNANOVDB_FORCE_INLINE void pnanovdb_map_set_matf(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index, float matf)
Definition PNanoVDB.h:1060
pnanovdb_readaccessor_iscached0
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_readaccessor_iscached0(PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, int dirty)
Definition PNanoVDB.h:2527
PNANOVDB_GRID_OFF_BLIND_METADATA_COUNT
#define PNANOVDB_GRID_OFF_BLIND_METADATA_COUNT
Definition PNanoVDB.h:1124
PNANOVDB_LEAF_TABLE_NEG_OFF_BBOX_DIF_AND_FLAGS
#define PNANOVDB_LEAF_TABLE_NEG_OFF_BBOX_DIF_AND_FLAGS
Definition PNanoVDB.h:1586
pnanovdb_leaf_onindexmask_has_stats
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_leaf_onindexmask_has_stats(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
Definition PNanoVDB.h:2035
pnanovdb_leaf_get_bbox_dif_and_flags
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_leaf_get_bbox_dif_and_flags(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t p)
Definition PNanoVDB.h:1593
pnanovdb_root_pointindex_get_point_address_range
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_root_pointindex_get_point_address_range(pnanovdb_buf_t buf, pnanovdb_grid_type_t value_type, pnanovdb_address_t value_address, pnanovdb_address_t blindmetadata_value_address, PNANOVDB_IN(pnanovdb_coord_t) ijk, pnanovdb_uint32_t level, PNANOVDB_INOUT(pnanovdb_address_t) address_begin, PNANOVDB_INOUT(pnanovdb_address_t) address_end)
Definition PNanoVDB.h:2475
PNANOVDB_TREE_OFF_TILE_COUNT_UPPER
#define PNANOVDB_TREE_OFF_TILE_COUNT_UPPER
Definition PNanoVDB.h:1310
pnanovdb_leaf_get_stddev_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_leaf_get_stddev_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t node)
Definition PNanoVDB.h:1790
PNANOVDB_TREE_OFF_TILE_COUNT_LOWER
#define PNANOVDB_TREE_OFF_TILE_COUNT_LOWER
Definition PNanoVDB.h:1309
pnanovdb_leaf_onindexmask_get_last_offset
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindexmask_get_last_offset(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
Definition PNanoVDB.h:2031
pnanovdb_root_get_max_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_max_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root)
Definition PNanoVDB.h:2302
pnanovdb_grid_set_grid_count
PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_grid_count(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t grid_count)
Definition PNanoVDB.h:1189
pnanovdb_grid_get_world_bbox
PNANOVDB_FORCE_INLINE double pnanovdb_grid_get_world_bbox(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t index)
Definition PNanoVDB.h:1155
pnanovdb_root_tile_get_child
PNANOVDB_FORCE_INLINE pnanovdb_int64_t pnanovdb_root_tile_get_child(pnanovdb_buf_t buf, pnanovdb_root_tile_handle_t p)
Definition PNanoVDB.h:1440
pnanovdb_leaf_pointindex_get_first
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_pointindex_get_first(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t i)
Definition PNanoVDB.h:2094
pnanovdb_leaf_get_min_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_leaf_get_min_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t node)
Definition PNanoVDB.h:1772
pnanovdb_root_get_ave_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_ave_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root)
Definition PNanoVDB.h:2308
pnanovdb_write_int64
PNANOVDB_FORCE_INLINE void pnanovdb_write_int64(pnanovdb_buf_t buf, pnanovdb_address_t address, pnanovdb_int64_t value)
Definition PNanoVDB.h:904
PNANOVDB_MAP_OFF_TAPERD
#define PNANOVDB_MAP_OFF_TAPERD
Definition PNanoVDB.h:1033
pnanovdb_upper_get_max_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_upper_get_max_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_upper_handle_t node)
Definition PNanoVDB.h:2228
PNANOVDB_GRID_OFF_GRID_SIZE
#define PNANOVDB_GRID_OFF_GRID_SIZE
Definition PNanoVDB.h:1116
pnanovdb_leaf_indexmask_get_min_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_indexmask_get_min_index(pnanovdb_buf_t buf, pnanovdb_address_t min_address)
Definition PNanoVDB.h:1889
pnanovdb_grid_get_flags
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_grid_get_flags(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p)
Definition PNanoVDB.h:1135
pnanovdb_leaf_index_get_value_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_index_get_value_index(pnanovdb_buf_t buf, pnanovdb_address_t value_address, PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:1876
pnanovdb_leaf_set_bbox_dif_and_flags
PNANOVDB_FORCE_INLINE void pnanovdb_leaf_set_bbox_dif_and_flags(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t p, pnanovdb_uint32_t bbox_dif_and_flags)
Definition PNanoVDB.h:1604
pnanovdb_root_index_get_value_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_root_index_get_value_index(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk, pnanovdb_uint32_t level)
Definition PNanoVDB.h:2418
pnanovdb_grid_get_voxel_size
PNANOVDB_FORCE_INLINE double pnanovdb_grid_get_voxel_size(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t index)
Definition PNanoVDB.h:1158
PNANOVDB_TREE_OFF_NODE_COUNT_UPPER
#define PNANOVDB_TREE_OFF_NODE_COUNT_UPPER
Definition PNanoVDB.h:1307
pnanovdb_root_get_value_address_and_level_and_cache
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_root_get_value_address_and_level_and_cache(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, PNANOVDB_IN(pnanovdb_coord_t) ijk, PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, PNANOVDB_INOUT(pnanovdb_uint32_t) level)
Definition PNanoVDB.h:2625
PNANOVDB_GRID_TYPE_VEC3U8
#define PNANOVDB_GRID_TYPE_VEC3U8
Definition PNanoVDB.h:963
pnanovdb_grid_set_world_bbox
PNANOVDB_FORCE_INLINE void pnanovdb_grid_set_world_bbox(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p, pnanovdb_uint32_t index, double world_bbox)
Definition PNanoVDB.h:1198
PNANOVDB_ROOT_TILE_OFF_STATE
#define PNANOVDB_ROOT_TILE_OFF_STATE
Definition PNanoVDB.h:1435
pnanovdb_tree_set_node_offset_upper
PNANOVDB_FORCE_INLINE void pnanovdb_tree_set_node_offset_upper(pnanovdb_buf_t buf, pnanovdb_tree_handle_t p, pnanovdb_uint64_t node_offset_upper)
Definition PNanoVDB.h:1353
pnanovdb_leaf_onindex_get_value_count
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_leaf_onindex_get_value_count(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
Definition PNanoVDB.h:1936
PNANOVDB_GRIDBLINDMETADATA_SIZE
#define PNANOVDB_GRIDBLINDMETADATA_SIZE
Definition PNanoVDB.h:1249
pnanovdb_leaf_index_has_stats
PNANOVDB_FORCE_INLINE pnanovdb_bool_t pnanovdb_leaf_index_has_stats(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf)
Definition PNanoVDB.h:1851
pnanovdb_grid_get_tree
PNANOVDB_FORCE_INLINE pnanovdb_tree_handle_t pnanovdb_grid_get_tree(pnanovdb_buf_t buf, pnanovdb_grid_handle_t grid)
Definition PNanoVDB.h:1692
pnanovdb_map_get_vecf
PNANOVDB_FORCE_INLINE float pnanovdb_map_get_vecf(pnanovdb_buf_t buf, pnanovdb_map_handle_t p, pnanovdb_uint32_t index)
Definition PNanoVDB.h:1041
pnanovdb_upper_coord_to_offset
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_upper_coord_to_offset(PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:2215
pnanovdb_root_get_tile
PNANOVDB_FORCE_INLINE pnanovdb_root_tile_handle_t pnanovdb_root_get_tile(pnanovdb_grid_type_t grid_type, pnanovdb_root_handle_t root, pnanovdb_uint32_t n)
Definition PNanoVDB.h:1707
pnanovdb_root_tile_set_state
PNANOVDB_FORCE_INLINE void pnanovdb_root_tile_set_state(pnanovdb_buf_t buf, pnanovdb_root_tile_handle_t p, pnanovdb_uint32_t state)
Definition PNanoVDB.h:1453
pnanovdb_leaf_index_get_ave_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_index_get_ave_index(pnanovdb_buf_t buf, pnanovdb_address_t ave_address)
Definition PNanoVDB.h:1866
pnanovdb_leaf_onindexmask_set_mask_bit
PNANOVDB_FORCE_INLINE void pnanovdb_leaf_onindexmask_set_mask_bit(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t n, pnanovdb_bool_t v)
Definition PNanoVDB.h:2067
pnanovdb_grid_get_grid_type
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_grid_get_grid_type(pnanovdb_buf_t buf, pnanovdb_grid_handle_t p)
Definition PNanoVDB.h:1164
pnanovdb_leaf_indexmask_set_mask_bit
PNANOVDB_FORCE_INLINE void pnanovdb_leaf_indexmask_set_mask_bit(pnanovdb_buf_t buf, pnanovdb_leaf_handle_t leaf, pnanovdb_uint32_t n, pnanovdb_bool_t v)
Definition PNanoVDB.h:1917
pnanovdb_leaf_index_get_dev_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_index_get_dev_index(pnanovdb_buf_t buf, pnanovdb_address_t dev_address)
Definition PNanoVDB.h:1871
pnanovdb_readaccessor_init
PNANOVDB_FORCE_INLINE void pnanovdb_readaccessor_init(PNANOVDB_INOUT(pnanovdb_readaccessor_t) acc, pnanovdb_root_handle_t root)
Definition PNanoVDB.h:2516
pnanovdb_leaf_fp_read_float
PNANOVDB_FORCE_INLINE float pnanovdb_leaf_fp_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk, pnanovdb_uint32_t value_log_bits)
Definition PNanoVDB.h:1810
pnanovdb_leaf_get_ave_address
PNANOVDB_FORCE_INLINE pnanovdb_address_t pnanovdb_leaf_get_ave_address(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_leaf_handle_t node)
Definition PNanoVDB.h:1784
pnanovdb_leaf_onindexmask_get_ave_index
PNANOVDB_FORCE_INLINE pnanovdb_uint64_t pnanovdb_leaf_onindexmask_get_ave_index(pnanovdb_buf_t buf, pnanovdb_address_t ave_address)
Definition PNanoVDB.h:2047
pnanovdb_leaf_fpn_read_float
PNANOVDB_FORCE_INLINE float pnanovdb_leaf_fpn_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:1841
pnanovdb_version_get_patch
PNANOVDB_FORCE_INLINE pnanovdb_uint32_t pnanovdb_version_get_patch(pnanovdb_uint32_t version)
Definition PNanoVDB.h:1230
PNANOVDB_LOWER_OFF_CHILD_MASK
#define PNANOVDB_LOWER_OFF_CHILD_MASK
Definition PNanoVDB.h:1533
PNANOVDB_GRID_OFF_FLAGS
#define PNANOVDB_GRID_OFF_FLAGS
Definition PNanoVDB.h:1113
pnanovdb_root_find_tile
PNANOVDB_FORCE_INLINE pnanovdb_root_tile_handle_t pnanovdb_root_find_tile(pnanovdb_grid_type_t grid_type, pnanovdb_buf_t buf, pnanovdb_root_handle_t root, PNANOVDB_IN(pnanovdb_coord_t) ijk)
Definition PNanoVDB.h:1746
pnanovdb_root_fp4_read_float
PNANOVDB_FORCE_INLINE float pnanovdb_root_fp4_read_float(pnanovdb_buf_t buf, pnanovdb_address_t address, PNANOVDB_IN(pnanovdb_coord_t) ijk, pnanovdb_uint32_t level)
Definition PNanoVDB.h:2362
openvdb::v12_1::tools::composite::max
const std::enable_if<!VecTraits< T >::IsVec, T >::type & max(const T &a, const T &b)
Definition Composite.h:110
openvdb::v12_1::tools::composite::min
const std::enable_if<!VecTraits< T >::IsVec, T >::type & min(const T &a, const T &b)
Definition Composite.h:106
pnanovdb_grid_handle_t
Definition PNanoVDB.h:1105
pnanovdb_grid_handle_t::address
pnanovdb_address_t address
Definition PNanoVDB.h:1105
pnanovdb_grid_t
Definition PNanoVDB.h:1086
pnanovdb_grid_t::magic
pnanovdb_uint64_t magic
Definition PNanoVDB.h:1087
pnanovdb_grid_t::grid_class
pnanovdb_uint32_t grid_class
Definition PNanoVDB.h:1098
pnanovdb_grid_t::voxel_size
double voxel_size[3]
Definition PNanoVDB.h:1097
pnanovdb_grid_t::grid_index
pnanovdb_uint32_t grid_index
Definition PNanoVDB.h:1091
pnanovdb_grid_t::grid_size
pnanovdb_uint64_t grid_size
Definition PNanoVDB.h:1093
pnanovdb_grid_t::grid_type
pnanovdb_uint32_t grid_type
Definition PNanoVDB.h:1099
pnanovdb_grid_t::version
pnanovdb_uint32_t version
Definition PNanoVDB.h:1089
pnanovdb_grid_t::pad
pnanovdb_uint32_t pad[5]
Definition PNanoVDB.h:1102
pnanovdb_grid_t::blind_metadata_offset
pnanovdb_int64_t blind_metadata_offset
Definition PNanoVDB.h:1100
pnanovdb_grid_t::world_bbox
double world_bbox[6]
Definition PNanoVDB.h:1096
pnanovdb_grid_t::flags
pnanovdb_uint32_t flags
Definition PNanoVDB.h:1090
pnanovdb_grid_t::blind_metadata_count
pnanovdb_uint32_t blind_metadata_count
Definition PNanoVDB.h:1101
pnanovdb_grid_t::checksum
pnanovdb_uint64_t checksum
Definition PNanoVDB.h:1088
pnanovdb_grid_t::map
pnanovdb_map_t map
Definition PNanoVDB.h:1095
pnanovdb_grid_t::grid_count
pnanovdb_uint32_t grid_count
Definition PNanoVDB.h:1092
pnanovdb_grid_t::grid_name
pnanovdb_uint32_t grid_name[256/4]
Definition PNanoVDB.h:1094
pnanovdb_grid_type_constants_t
Definition PNanoVDB.h:1609
pnanovdb_grid_type_constants_t::leaf_off_stddev
pnanovdb_uint32_t leaf_off_stddev
Definition PNanoVDB.h:1635
pnanovdb_grid_type_constants_t::leaf_off_ave
pnanovdb_uint32_t leaf_off_ave
Definition PNanoVDB.h:1634
pnanovdb_grid_type_constants_t::upper_off_min
pnanovdb_uint32_t upper_off_min
Definition PNanoVDB.h:1620
pnanovdb_grid_type_constants_t::leaf_size
pnanovdb_uint32_t leaf_size
Definition PNanoVDB.h:1637
pnanovdb_grid_type_constants_t::root_size
pnanovdb_uint32_t root_size
Definition PNanoVDB.h:1615
pnanovdb_grid_type_constants_t::leaf_off_table
pnanovdb_uint32_t leaf_off_table
Definition PNanoVDB.h:1636
pnanovdb_grid_type_constants_t::upper_off_max
pnanovdb_uint32_t upper_off_max
Definition PNanoVDB.h:1621
pnanovdb_grid_type_constants_t::upper_off_ave
pnanovdb_uint32_t upper_off_ave
Definition PNanoVDB.h:1622
pnanovdb_grid_type_constants_t::table_stride
pnanovdb_uint32_t table_stride
Definition PNanoVDB.h:1617
pnanovdb_grid_type_constants_t::upper_off_table
pnanovdb_uint32_t upper_off_table
Definition PNanoVDB.h:1624
pnanovdb_grid_type_constants_t::root_tile_size
pnanovdb_uint32_t root_tile_size
Definition PNanoVDB.h:1619
pnanovdb_grid_type_constants_t::leaf_off_min
pnanovdb_uint32_t leaf_off_min
Definition PNanoVDB.h:1632
pnanovdb_grid_type_constants_t::lower_size
pnanovdb_uint32_t lower_size
Definition PNanoVDB.h:1631
pnanovdb_grid_type_constants_t::lower_off_min
pnanovdb_uint32_t lower_off_min
Definition PNanoVDB.h:1626
pnanovdb_grid_type_constants_t::upper_size
pnanovdb_uint32_t upper_size
Definition PNanoVDB.h:1625
pnanovdb_grid_type_constants_t::value_stride_bits
pnanovdb_uint32_t value_stride_bits
Definition PNanoVDB.h:1616
pnanovdb_grid_type_constants_t::root_off_min
pnanovdb_uint32_t root_off_min
Definition PNanoVDB.h:1611
pnanovdb_grid_type_constants_t::root_tile_off_value
pnanovdb_uint32_t root_tile_off_value
Definition PNanoVDB.h:1618
pnanovdb_grid_type_constants_t::root_off_ave
pnanovdb_uint32_t root_off_ave
Definition PNanoVDB.h:1613
pnanovdb_grid_type_constants_t::lower_off_stddev
pnanovdb_uint32_t lower_off_stddev
Definition PNanoVDB.h:1629
pnanovdb_grid_type_constants_t::root_off_stddev
pnanovdb_uint32_t root_off_stddev
Definition PNanoVDB.h:1614
pnanovdb_grid_type_constants_t::root_off_background
pnanovdb_uint32_t root_off_background
Definition PNanoVDB.h:1610
pnanovdb_grid_type_constants_t::root_off_max
pnanovdb_uint32_t root_off_max
Definition PNanoVDB.h:1612
pnanovdb_grid_type_constants_t::lower_off_table
pnanovdb_uint32_t lower_off_table
Definition PNanoVDB.h:1630
pnanovdb_grid_type_constants_t::lower_off_max
pnanovdb_uint32_t lower_off_max
Definition PNanoVDB.h:1627
pnanovdb_grid_type_constants_t::leaf_off_max
pnanovdb_uint32_t leaf_off_max
Definition PNanoVDB.h:1633
pnanovdb_grid_type_constants_t::upper_off_stddev
pnanovdb_uint32_t upper_off_stddev
Definition PNanoVDB.h:1623
pnanovdb_grid_type_constants_t::lower_off_ave
pnanovdb_uint32_t lower_off_ave
Definition PNanoVDB.h:1628
pnanovdb_gridblindmetadata_handle_t
Definition PNanoVDB.h:1246
pnanovdb_gridblindmetadata_handle_t::address
pnanovdb_address_t address
Definition PNanoVDB.h:1246
pnanovdb_gridblindmetadata_t
Definition PNanoVDB.h:1236
pnanovdb_gridblindmetadata_t::data_offset
pnanovdb_int64_t data_offset
Definition PNanoVDB.h:1237
pnanovdb_gridblindmetadata_t::value_count
pnanovdb_uint64_t value_count
Definition PNanoVDB.h:1238
pnanovdb_gridblindmetadata_t::name
pnanovdb_uint32_t name[256/4]
Definition PNanoVDB.h:1243
pnanovdb_gridblindmetadata_t::value_size
pnanovdb_uint32_t value_size
Definition PNanoVDB.h:1239
pnanovdb_gridblindmetadata_t::data_type
pnanovdb_uint32_t data_type
Definition PNanoVDB.h:1242
pnanovdb_gridblindmetadata_t::data_class
pnanovdb_uint32_t data_class
Definition PNanoVDB.h:1241
pnanovdb_gridblindmetadata_t::semantic
pnanovdb_uint32_t semantic
Definition PNanoVDB.h:1240
pnanovdb_leaf_handle_t
Definition PNanoVDB.h:1576
pnanovdb_leaf_handle_t::address
pnanovdb_address_t address
Definition PNanoVDB.h:1576
pnanovdb_leaf_t
Definition PNanoVDB.h:1568
pnanovdb_leaf_t::value_mask
pnanovdb_uint32_t value_mask[16]
Definition PNanoVDB.h:1571
pnanovdb_leaf_t::bbox_dif_and_flags
pnanovdb_uint32_t bbox_dif_and_flags
Definition PNanoVDB.h:1570
pnanovdb_leaf_t::bbox_min
pnanovdb_coord_t bbox_min
Definition PNanoVDB.h:1569
pnanovdb_lower_handle_t
Definition PNanoVDB.h:1523
pnanovdb_lower_handle_t::address
pnanovdb_address_t address
Definition PNanoVDB.h:1523
pnanovdb_lower_t
Definition PNanoVDB.h:1513
pnanovdb_lower_t::child_mask
pnanovdb_uint32_t child_mask[128]
Definition PNanoVDB.h:1518
pnanovdb_lower_t::flags
pnanovdb_uint64_t flags
Definition PNanoVDB.h:1516
pnanovdb_lower_t::value_mask
pnanovdb_uint32_t value_mask[128]
Definition PNanoVDB.h:1517
pnanovdb_lower_t::bbox_max
pnanovdb_coord_t bbox_max
Definition PNanoVDB.h:1515
pnanovdb_lower_t::bbox_min
pnanovdb_coord_t bbox_min
Definition PNanoVDB.h:1514
pnanovdb_map_handle_t
Definition PNanoVDB.h:1021
pnanovdb_map_handle_t::address
pnanovdb_address_t address
Definition PNanoVDB.h:1021
pnanovdb_map_t
Definition PNanoVDB.h:1010
pnanovdb_map_t::matd
double matd[9]
Definition PNanoVDB.h:1015
pnanovdb_map_t::vecd
double vecd[3]
Definition PNanoVDB.h:1017
pnanovdb_map_t::taperf
float taperf
Definition PNanoVDB.h:1014
pnanovdb_map_t::invmatd
double invmatd[9]
Definition PNanoVDB.h:1016
pnanovdb_map_t::matf
float matf[9]
Definition PNanoVDB.h:1011
pnanovdb_map_t::taperd
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Definition PNanoVDB.h:1018
pnanovdb_map_t::invmatf
float invmatf[9]
Definition PNanoVDB.h:1012
pnanovdb_map_t::vecf
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Definition PNanoVDB.h:1013
pnanovdb_readaccessor_t
Definition PNanoVDB.h:2507
pnanovdb_readaccessor_t::upper
pnanovdb_upper_handle_t upper
Definition PNanoVDB.h:2511
pnanovdb_readaccessor_t::root
pnanovdb_root_handle_t root
Definition PNanoVDB.h:2512
pnanovdb_readaccessor_t::key
pnanovdb_coord_t key
Definition PNanoVDB.h:2508
pnanovdb_readaccessor_t::lower
pnanovdb_lower_handle_t lower
Definition PNanoVDB.h:2510
pnanovdb_readaccessor_t::leaf
pnanovdb_leaf_handle_t leaf
Definition PNanoVDB.h:2509
pnanovdb_root_handle_t
Definition PNanoVDB.h:1390
pnanovdb_root_handle_t::address
pnanovdb_address_t address
Definition PNanoVDB.h:1390
pnanovdb_root_t
Definition PNanoVDB.h:1382
pnanovdb_root_t::table_size
pnanovdb_uint32_t table_size
Definition PNanoVDB.h:1385
pnanovdb_root_t::bbox_max
pnanovdb_coord_t bbox_max
Definition PNanoVDB.h:1384
pnanovdb_root_t::pad1
pnanovdb_uint32_t pad1
Definition PNanoVDB.h:1386
pnanovdb_root_t::bbox_min
pnanovdb_coord_t bbox_min
Definition PNanoVDB.h:1383
pnanovdb_root_tile_handle_t
Definition PNanoVDB.h:1428
pnanovdb_root_tile_handle_t::address
pnanovdb_address_t address
Definition PNanoVDB.h:1428
pnanovdb_root_tile_t
Definition PNanoVDB.h:1420
pnanovdb_root_tile_t::key
pnanovdb_uint64_t key
Definition PNanoVDB.h:1421
pnanovdb_root_tile_t::state
pnanovdb_uint32_t state
Definition PNanoVDB.h:1423
pnanovdb_root_tile_t::child
pnanovdb_int64_t child
Definition PNanoVDB.h:1422
pnanovdb_root_tile_t::pad1
pnanovdb_uint32_t pad1
Definition PNanoVDB.h:1424
pnanovdb_tree_handle_t
Definition PNanoVDB.h:1296
pnanovdb_tree_handle_t::address
pnanovdb_address_t address
Definition PNanoVDB.h:1296
pnanovdb_tree_t
Definition PNanoVDB.h:1282
pnanovdb_tree_t::node_count_leaf
pnanovdb_uint32_t node_count_leaf
Definition PNanoVDB.h:1287
pnanovdb_tree_t::tile_count_lower
pnanovdb_uint32_t tile_count_lower
Definition PNanoVDB.h:1291
pnanovdb_tree_t::node_offset_upper
pnanovdb_uint64_t node_offset_upper
Definition PNanoVDB.h:1285
pnanovdb_tree_t::tile_count_leaf
pnanovdb_uint32_t tile_count_leaf
Definition PNanoVDB.h:1290
pnanovdb_tree_t::node_offset_root
pnanovdb_uint64_t node_offset_root
Definition PNanoVDB.h:1286
pnanovdb_tree_t::node_offset_leaf
pnanovdb_uint64_t node_offset_leaf
Definition PNanoVDB.h:1283
pnanovdb_tree_t::voxel_count
pnanovdb_uint64_t voxel_count
Definition PNanoVDB.h:1293
pnanovdb_tree_t::tile_count_upper
pnanovdb_uint32_t tile_count_upper
Definition PNanoVDB.h:1292
pnanovdb_tree_t::node_offset_lower
pnanovdb_uint64_t node_offset_lower
Definition PNanoVDB.h:1284
pnanovdb_tree_t::node_count_upper
pnanovdb_uint32_t node_count_upper
Definition PNanoVDB.h:1289
pnanovdb_tree_t::node_count_lower
pnanovdb_uint32_t node_count_lower
Definition PNanoVDB.h:1288
pnanovdb_upper_handle_t
Definition PNanoVDB.h:1468
pnanovdb_upper_handle_t::address
pnanovdb_address_t address
Definition PNanoVDB.h:1468
pnanovdb_upper_t
Definition PNanoVDB.h:1458
pnanovdb_upper_t::flags
pnanovdb_uint64_t flags
Definition PNanoVDB.h:1461
pnanovdb_upper_t::value_mask
pnanovdb_uint32_t value_mask[1024]
Definition PNanoVDB.h:1462
pnanovdb_upper_t::bbox_max
pnanovdb_coord_t bbox_max
Definition PNanoVDB.h:1460
pnanovdb_upper_t::child_mask
pnanovdb_uint32_t child_mask[1024]
Definition PNanoVDB.h:1463
pnanovdb_upper_t::bbox_min
pnanovdb_coord_t bbox_min
Definition PNanoVDB.h:1459