mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
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87 lines
2.5 KiB
C++
87 lines
2.5 KiB
C++
//
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// Copyright 2015 Pixar
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//
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// Licensed under the Apache License, Version 2.0 (the "Apache License")
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// with the following modification; you may not use this file except in
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// compliance with the Apache License and the following modification to it:
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// Section 6. Trademarks. is deleted and replaced with:
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//
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// 6. Trademarks. This License does not grant permission to use the trade
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// names, trademarks, service marks, or product names of the Licensor
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// and its affiliates, except as required to comply with Section 4(c) of
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// the License and to reproduce the content of the NOTICE file.
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//
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// You may obtain a copy of the Apache License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the Apache License with the above modification is
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// distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the Apache License for the specific
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// language governing permissions and limitations under the Apache License.
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//
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#ifndef OPENSUBDIV3_OSD_GL_LEGACY_GREGORY_PATCH_TABLE_H
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#define OPENSUBDIV3_OSD_GL_LEGACY_GREGORY_PATCH_TABLE_H
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#include "../version.h"
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#include "../far/patchTable.h"
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#include "../osd/nonCopyable.h"
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#include "../osd/opengl.h"
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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namespace Osd {
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class GLLegacyGregoryPatchTable
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: private NonCopyable<GLLegacyGregoryPatchTable> {
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public:
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~GLLegacyGregoryPatchTable();
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static GLLegacyGregoryPatchTable *Create(Far::PatchTable const *patchTable);
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void UpdateVertexBuffer(GLuint vbo);
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GLuint GetVertexTextureBuffer() const {
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return _vertexTextureBuffer;
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}
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GLuint GetVertexValenceTextureBuffer() const {
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return _vertexValenceTextureBuffer;
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}
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GLuint GetQuadOffsetsTextureBuffer() const {
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return _quadOffsetsTextureBuffer;
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}
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GLuint GetQuadOffsetsBase(Far::PatchDescriptor::Type type) {
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if (type == Far::PatchDescriptor::GREGORY_BOUNDARY) {
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return _quadOffsetsBase[1];
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}
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return _quadOffsetsBase[0];
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}
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protected:
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GLLegacyGregoryPatchTable();
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private:
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GLuint _vertexTextureBuffer;
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GLuint _vertexValenceTextureBuffer;
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GLuint _quadOffsetsTextureBuffer;
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GLuint _quadOffsetsBase[2]; // gregory, boundaryGregory
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};
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} // end namespace Osd
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} // end namespace OPENSUBDIV_VERSION
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using namespace OPENSUBDIV_VERSION;
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} // end namespace OpenSubdiv
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#endif // OPENSUBDIV3_OSD_GL_LEGACY_GREGORY_PATCH_TABLE_H
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