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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
Definition limits.h:32
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchDescriptor::Type
Type
Definition patchDescriptor.h:48
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchDescriptor::GREGORY_BOUNDARY
@ GREGORY_BOUNDARY
Definition patchDescriptor.h:61
OpenSubdiv::OPENSUBDIV_VERSION::Far::PatchTable
Container for arrays of parametric patches.
Definition patchTable.h:55
OpenSubdiv::OPENSUBDIV_VERSION::Osd::GLLegacyGregoryPatchTable
Definition glLegacyGregoryPatchTable.h:40
OpenSubdiv::OPENSUBDIV_VERSION::Osd::GLLegacyGregoryPatchTable::GetVertexValenceTextureBuffer
GLuint GetVertexValenceTextureBuffer() const
Definition glLegacyGregoryPatchTable.h:52
OpenSubdiv::OPENSUBDIV_VERSION::Osd::GLLegacyGregoryPatchTable::GetQuadOffsetsTextureBuffer
GLuint GetQuadOffsetsTextureBuffer() const
Definition glLegacyGregoryPatchTable.h:56
OpenSubdiv::OPENSUBDIV_VERSION::Osd::GLLegacyGregoryPatchTable::~GLLegacyGregoryPatchTable
~GLLegacyGregoryPatchTable()
OpenSubdiv::OPENSUBDIV_VERSION::Osd::GLLegacyGregoryPatchTable::GLLegacyGregoryPatchTable
GLLegacyGregoryPatchTable()
OpenSubdiv::OPENSUBDIV_VERSION::Osd::GLLegacyGregoryPatchTable::UpdateVertexBuffer
void UpdateVertexBuffer(GLuint vbo)
OpenSubdiv::OPENSUBDIV_VERSION::Osd::GLLegacyGregoryPatchTable::GetQuadOffsetsBase
GLuint GetQuadOffsetsBase(Far::PatchDescriptor::Type type)
Definition glLegacyGregoryPatchTable.h:60
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)