glLegacyGregoryPatchTable.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_GL_LEGACY_GREGORY_PATCH_TABLE_H
26 #define OPENSUBDIV3_OSD_GL_LEGACY_GREGORY_PATCH_TABLE_H
27
28 #include "../version.h"
29
30 #include "../far/patchTable.h"
31 #include "../osd/nonCopyable.h"
32 #include "../osd/opengl.h"
33
34 namespace OpenSubdiv {
35 namespace OPENSUBDIV_VERSION {
36
37 namespace Osd {
38
39 class GLLegacyGregoryPatchTable
40 : private NonCopyable<GLLegacyGregoryPatchTable> {
41 public:
42 ~GLLegacyGregoryPatchTable();
43
44 static GLLegacyGregoryPatchTable *Create(Far::PatchTable const *patchTable);
45
46 void UpdateVertexBuffer(GLuint vbo);
47
48 GLuint GetVertexTextureBuffer() const {
49 return _vertexTextureBuffer;
50 }
51
52 GLuint GetVertexValenceTextureBuffer() const {
53 return _vertexValenceTextureBuffer;
54 }
55
56 GLuint GetQuadOffsetsTextureBuffer() const {
57 return _quadOffsetsTextureBuffer;
58 }
59
60 GLuint GetQuadOffsetsBase(Far::PatchDescriptor::Type type) {
61 if (type == Far::PatchDescriptor::GREGORY_BOUNDARY) {
62 return _quadOffsetsBase[1];
63 }
64 return _quadOffsetsBase[0];
65 }
66
67 protected:
68 GLLegacyGregoryPatchTable();
69
70 private:
71 GLuint _vertexTextureBuffer;
72 GLuint _vertexValenceTextureBuffer;
73 GLuint _quadOffsetsTextureBuffer;
74 GLuint _quadOffsetsBase[2]; // gregory, boundaryGregory
75 };
76
77
78
79 } // end namespace Osd
80
81 } // end namespace OPENSUBDIV_VERSION
82 using namespace OPENSUBDIV_VERSION;
83
84 } // end namespace OpenSubdiv
85
86 #endif // OPENSUBDIV3_OSD_GL_LEGACY_GREGORY_PATCH_TABLE_H
OpenSubdiv::OPENSUBDIV_VERSION::Osd::GLLegacyGregoryPatchTable::UpdateVertexBuffer
void UpdateVertexBuffer(GLuint vbo)
OpenSubdiv::OPENSUBDIV_VERSION::Osd::NonCopyable
Definition: nonCopyable.h:34
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchTable
Container for arrays of parametric patches.
Definition: patchTable.h:55
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchDescriptor::GREGORY_BOUNDARY
Definition: patchDescriptor.h:67
OpenSubdiv::OPENSUBDIV_VERSION::Osd::GLLegacyGregoryPatchTable::~GLLegacyGregoryPatchTable
~GLLegacyGregoryPatchTable()
OpenSubdiv::OPENSUBDIV_VERSION::Osd::GLLegacyGregoryPatchTable::GLLegacyGregoryPatchTable
GLLegacyGregoryPatchTable()
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchDescriptor::Type
Type
Definition: patchDescriptor.h:54
OpenSubdiv::OPENSUBDIV_VERSION::Osd::GLLegacyGregoryPatchTable::GetVertexValenceTextureBuffer
GLuint GetVertexValenceTextureBuffer() const
Definition: glLegacyGregoryPatchTable.h:52
OpenSubdiv::OPENSUBDIV_VERSION::Osd::GLLegacyGregoryPatchTable
Definition: glLegacyGregoryPatchTable.h:39
OpenSubdiv::OPENSUBDIV_VERSION::Osd::GLLegacyGregoryPatchTable::GetQuadOffsetsTextureBuffer
GLuint GetQuadOffsetsTextureBuffer() const
Definition: glLegacyGregoryPatchTable.h:56
OpenSubdiv::OPENSUBDIV_VERSION::Osd::GLLegacyGregoryPatchTable::GetVertexTextureBuffer
GLuint GetVertexTextureBuffer() const
Definition: glLegacyGregoryPatchTable.h:48
OpenSubdiv::OPENSUBDIV_VERSION::Osd::GLLegacyGregoryPatchTable::Create
static GLLegacyGregoryPatchTable * Create(Far::PatchTable const *patchTable)
OpenSubdiv
Definition: error.h:30
OpenSubdiv::OPENSUBDIV_VERSION::Osd::GLLegacyGregoryPatchTable::GetQuadOffsetsBase
GLuint GetQuadOffsetsBase(Far::PatchDescriptor::Type type)
Definition: glLegacyGregoryPatchTable.h:60