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types.h
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1//
2// Copyright 2015 Pixar
3//
4// Licensed under the Apache License, Version 2.0 (the "Apache License")
5// with the following modification; you may not use this file except in
6// compliance with the Apache License and the following modification to it:
7// Section 6. Trademarks. is deleted and replaced with:
8//
9// 6. Trademarks. This License does not grant permission to use the trade
10// names, trademarks, service marks, or product names of the Licensor
11// and its affiliates, except as required to comply with Section 4(c) of
12// the License and to reproduce the content of the NOTICE file.
13//
14// You may obtain a copy of the Apache License at
15//
16// http://www.apache.org/licenses/LICENSE-2.0
17//
18// Unless required by applicable law or agreed to in writing, software
19// distributed under the Apache License with the above modification is
20// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
21// KIND, either express or implied. See the Apache License for the specific
22// language governing permissions and limitations under the Apache License.
23//
24
25#ifndef OPENSUBDIV3_OSD_TYPES_H
26#define OPENSUBDIV3_OSD_TYPES_H
27
28#include "../version.h"
29#include "../far/patchTable.h"
30
31#include <algorithm>
32
33 namespace OpenSubdiv {
34 namespace OPENSUBDIV_VERSION {
35
36 namespace Osd {
37
42 struct PatchCoord {
43 // 5-ints struct.
44
53 PatchCoord(Far::PatchTable::PatchHandle handleArg, float sArg, float tArg) :
54 handle(handleArg), s(sArg), t(tArg) { }
55
56 PatchCoord() : s(0), t(0) {
57 handle.arrayIndex = 0;
58 handle.patchIndex = 0;
59 handle.vertIndex = 0;
60 }
61
62 Far::PatchTable::PatchHandle handle;
63 float s, t;
64};
65
66 struct PatchArray {
67 // 4-ints struct.
68 PatchArray(Far::PatchDescriptor desc_in,
69 int numPatches_in, int indexBase_in, int primitiveIdBase_in) :
70 regDesc(desc_in), desc(desc_in),
71 numPatches(numPatches_in), indexBase(indexBase_in),
72 stride(desc_in.GetNumControlVertices()),
73 primitiveIdBase(primitiveIdBase_in) {}
74
75 PatchArray(Far::PatchDescriptor regDesc_in, Far::PatchDescriptor irregDesc_in,
76 int numPatches_in, int indexBase_in, int primitiveIdBase_in) :
77 regDesc(regDesc_in), desc(irregDesc_in),
78 numPatches(numPatches_in), indexBase(indexBase_in),
79 stride(std::max(regDesc_in.GetNumControlVertices(),
80 irregDesc_in.GetNumControlVertices())),
81 primitiveIdBase(primitiveIdBase_in) {}
82
83 Far::PatchDescriptor const &GetDescriptor() const {
84 return desc;
85 }
86 Far::PatchDescriptor const &GetDescriptorRegular() const {
87 return regDesc;
88 }
89 Far::PatchDescriptor const &GetDescriptorIrregular() const {
90 return desc;
91 }
92
93 int GetPatchType() const {
94 return desc.GetType();
95 }
96 int GetPatchTypeRegular() const {
97 return regDesc.GetType();
98 }
99 int GetPatchTypeIrregular() const {
100 return desc.GetType();
101 }
102
103 int GetNumPatches() const {
104 return numPatches;
105 }
106 int GetIndexBase() const {
107 return indexBase;
108 }
109 int GetStride() const {
110 return stride;
111 }
112 int GetPrimitiveIdBase() const {
113 return primitiveIdBase;
114 }
115
116 // Separate regular and irregular patch descriptors for cases where the
117 // array is mixed -- both will be equal if only a single type specified
118 Far::PatchDescriptor regDesc;
119 Far::PatchDescriptor desc;
120
121 int numPatches;
122 int indexBase; // an offset within the index buffer
123 int stride; // stride in buffer between patches
124 int primitiveIdBase; // an offset within the patch param buffer
125};
126
127 struct PatchParam : public Far::PatchParam {
128 // int3 struct.
129 float sharpness;
130};
131
132 typedef std::vector<PatchArray> PatchArrayVector;
133 typedef std::vector<PatchParam> PatchParamVector;
134
135} // end namespace Osd
136
137} // end namespace OPENSUBDIV_VERSION
138 using namespace OPENSUBDIV_VERSION;
139
140} // end namespace OpenSubdiv
141
142
143#endif // OPENSUBDIV3_OSD_TYPES_H
patchTable.h
OpenSubdiv
Definition limits.h:32
OpenSubdiv::OPENSUBDIV_VERSION
Definition limits.h:33
OpenSubdiv::OPENSUBDIV_VERSION::Osd
Definition bufferDescriptor.h:34
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchParamVector
std::vector< PatchParam > PatchParamVector
Definition types.h:133
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArrayVector
std::vector< PatchArray > PatchArrayVector
Definition types.h:132
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchDescriptor
Describes the type of a patch.
Definition patchDescriptor.h:44
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchParam
Patch parameterization.
Definition patchParam.h:152
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchTable::PatchHandle
Handle that can be used as unique patch identifier within PatchTable.
Definition patchTable.h:60
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchCoord::handle
Far::PatchTable::PatchHandle handle
patch handle
Definition types.h:62
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchCoord::PatchCoord
PatchCoord()
Definition types.h:56
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchCoord::s
float s
Definition types.h:63
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchCoord::PatchCoord
PatchCoord(Far::PatchTable::PatchHandle handleArg, float sArg, float tArg)
Constructor.
Definition types.h:53
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchCoord::t
float t
parametric location on patch
Definition types.h:63
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::regDesc
Far::PatchDescriptor regDesc
Definition types.h:118
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::stride
int stride
Definition types.h:123
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::GetPrimitiveIdBase
int GetPrimitiveIdBase() const
Definition types.h:112
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::GetDescriptorIrregular
Far::PatchDescriptor const & GetDescriptorIrregular() const
Definition types.h:89
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::GetPatchTypeIrregular
int GetPatchTypeIrregular() const
Definition types.h:99
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::primitiveIdBase
int primitiveIdBase
Definition types.h:124
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::GetDescriptorRegular
Far::PatchDescriptor const & GetDescriptorRegular() const
Definition types.h:86
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::indexBase
int indexBase
Definition types.h:122
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::numPatches
int numPatches
Definition types.h:121
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::GetPatchTypeRegular
int GetPatchTypeRegular() const
Definition types.h:96
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::PatchArray
PatchArray(Far::PatchDescriptor desc_in, int numPatches_in, int indexBase_in, int primitiveIdBase_in)
Definition types.h:68
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::GetStride
int GetStride() const
Definition types.h:109
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::GetDescriptor
Far::PatchDescriptor const & GetDescriptor() const
Definition types.h:83
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::desc
Far::PatchDescriptor desc
Definition types.h:119
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::GetIndexBase
int GetIndexBase() const
Definition types.h:106
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::PatchArray
PatchArray(Far::PatchDescriptor regDesc_in, Far::PatchDescriptor irregDesc_in, int numPatches_in, int indexBase_in, int primitiveIdBase_in)
Definition types.h:75
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::GetNumPatches
int GetNumPatches() const
Definition types.h:103
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchArray::GetPatchType
int GetPatchType() const
Definition types.h:93
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchParam
Definition types.h:127
OpenSubdiv::OPENSUBDIV_VERSION::Osd::PatchParam::sharpness
float sharpness
Definition types.h:129