mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
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147 lines
4.5 KiB
C++
147 lines
4.5 KiB
C++
//
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// Copyright 2013 Pixar
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License
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// and the following modification to it: Section 6 Trademarks.
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// deleted and replaced with:
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//
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// 6. Trademarks. This License does not grant permission to use the
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// trade names, trademarks, service marks, or product names of the
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// Licensor and its affiliates, except as required for reproducing
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// the content of the NOTICE file.
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//
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// You may obtain a copy of the 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,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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// either express or implied. See the License for the specific
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// language governing permissions and limitations under the
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// License.
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//
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#ifndef OSD_GLSL_COMPUTE_KERNEL_BUNDLE_H
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#define OSD_GLSL_COMPUTE_KERNEL_BUNDLE_H
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#include "../version.h"
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#include "../far/subdivisionTables.h"
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#include "../osd/nonCopyable.h"
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#include "../osd/vertex.h"
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#include "../osd/vertexDescriptor.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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class OsdGLSLComputeKernelBundle : OsdNonCopyable<OsdGLSLComputeKernelBundle> {
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public:
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OsdGLSLComputeKernelBundle();
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~OsdGLSLComputeKernelBundle();
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bool Compile(int numVertexElements, int numVaryingElements);
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void ApplyBilinearFaceVerticesKernel(
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int vertexOffset, int tableOffset, int start, int end);
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void ApplyBilinearEdgeVerticesKernel(
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int vertexOffset, int tableOffset, int start, int end);
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void ApplyBilinearVertexVerticesKernel(
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int vertexOffset, int tableOffset, int start, int end);
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void ApplyCatmarkFaceVerticesKernel(
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int vertexOffset, int tableOffset, int start, int end);
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void ApplyCatmarkEdgeVerticesKernel(
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int vertexOffset, int tableOffset, int start, int end);
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void ApplyCatmarkVertexVerticesKernelB(
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int vertexOffset, int tableOffset, int start, int end);
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void ApplyCatmarkVertexVerticesKernelA(
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int vertexOffset, int tableOffset, int start, int end, bool pass);
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void ApplyLoopEdgeVerticesKernel(
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int vertexOffset, int tableOffset, int start, int end);
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void ApplyLoopVertexVerticesKernelB(
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int vertexOffset, int tableOffset, int start, int end);
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void ApplyLoopVertexVerticesKernelA(
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int vertexOffset, int tableOffset, int start, int end, bool pass);
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void ApplyEditAdd(int primvarOffset, int primvarWidth,
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int vertexOffset, int tableOffset, int start, int end);
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void UseProgram() const;
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GLuint GetTableUniformLocation(int tableIndex) const {
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return _tableUniforms[tableIndex];
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}
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struct Match {
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/// Constructor
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Match(int numVertexElements, int numVaryingElements)
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: vdesc(numVertexElements, numVaryingElements) {
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}
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bool operator() (OsdGLSLComputeKernelBundle const *kernel) {
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return vdesc == kernel->_vdesc;
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}
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OsdVertexDescriptor vdesc;
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};
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friend struct Match;
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protected:
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void dispatchCompute(int vertexOffset, int tableOffset, int start, int end) const;
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GLuint _program;
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// uniform locations for compute
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GLuint _tableUniforms[FarSubdivisionTables<OsdVertex>::TABLE_TYPES_COUNT];
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GLuint _uniformVertexPass;
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GLuint _uniformVertexOffset;
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GLuint _uniformTableOffset;
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GLuint _uniformIndexStart;
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GLuint _uniformIndexEnd;
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// uniform locations for vertex edit
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GLuint _uniformEditPrimVarOffset;
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GLuint _uniformEditPrimVarWidth;
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GLuint _subComputeFace; // general face-vertex kernel (all schemes)
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GLuint _subComputeEdge; // edge-vertex kernel (catmark + loop schemes)
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GLuint _subComputeBilinearEdge; // edge-vertex kernel (bilinear scheme)
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GLuint _subComputeVertex; // vertex-vertex kernel (bilinear scheme)
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GLuint _subComputeVertexA; // vertex-vertex kernel A (catmark + loop schemes)
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GLuint _subComputeCatmarkVertexB; // vertex-vertex kernel B (catmark scheme)
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GLuint _subComputeLoopVertexB; // vertex-vertex kernel B (loop scheme)
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GLuint _subEditAdd; // hedit kernel (add)
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int _workGroupSize;
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OsdVertexDescriptor _vdesc;
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};
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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 // OSD_GLSL_COMPUTE_KERNEL_BUNDLE_H
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