mirror of
https://github.com/PixarAnimationStudios/OpenSubdiv
synced 2025-01-09 16:20:10 +00:00
143 lines
4.2 KiB
C++
143 lines
4.2 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_GL_DRAW_REGISTRY_H
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#define OSD_GL_DRAW_REGISTRY_H
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#include "../version.h"
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#include "../far/mesh.h"
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#include "../osd/drawRegistry.h"
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#include "../osd/vertex.h"
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#include "../osd/opengl.h"
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#include <map>
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namespace OpenSubdiv {
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namespace OPENSUBDIV_VERSION {
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struct OsdGLDrawConfig : public OsdDrawConfig {
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OsdGLDrawConfig() :
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program(0),
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primitiveIdBaseUniform(-1),
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gregoryQuadOffsetBaseUniform(-1) {}
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virtual ~OsdGLDrawConfig();
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GLuint program;
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GLint primitiveIdBaseUniform;
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GLint gregoryQuadOffsetBaseUniform;
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};
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struct OsdGLDrawSourceConfig : public OsdDrawSourceConfig {
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OsdDrawShaderSource commonShader;
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OsdDrawShaderSource vertexShader;
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OsdDrawShaderSource tessControlShader;
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OsdDrawShaderSource tessEvalShader;
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OsdDrawShaderSource geometryShader;
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OsdDrawShaderSource fragmentShader;
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};
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////////////////////////////////////////////////////////////
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class OsdGLDrawRegistryBase {
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public:
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typedef OsdDrawContext::PatchDescriptor DescType;
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typedef OsdGLDrawConfig ConfigType;
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typedef OsdGLDrawSourceConfig SourceConfigType;
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virtual ~OsdGLDrawRegistryBase();
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protected:
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virtual ConfigType * _NewDrawConfig() { return new ConfigType(); }
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virtual ConfigType *
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_CreateDrawConfig(DescType const & desc,
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SourceConfigType const * sconfig);
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virtual SourceConfigType * _NewDrawSourceConfig() { return new SourceConfigType(); }
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virtual SourceConfigType *
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_CreateDrawSourceConfig(DescType const & desc);
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};
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template <class DESC_TYPE = OsdDrawContext::PatchDescriptor,
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class CONFIG_TYPE = OsdGLDrawConfig,
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class SOURCE_CONFIG_TYPE = OsdGLDrawSourceConfig >
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class OsdGLDrawRegistry : public OsdGLDrawRegistryBase {
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public:
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typedef OsdGLDrawRegistryBase BaseRegistry;
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typedef DESC_TYPE DescType;
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typedef CONFIG_TYPE ConfigType;
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typedef SOURCE_CONFIG_TYPE SourceConfigType;
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typedef std::map<DescType, ConfigType *> ConfigMap;
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public:
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virtual ~OsdGLDrawRegistry() {
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Reset();
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}
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void Reset() {
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for (typename ConfigMap::iterator
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i = _configMap.begin(); i != _configMap.end(); ++i) {
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delete i->second;
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}
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_configMap.clear();
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}
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// fetch shader config
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ConfigType *
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GetDrawConfig(DescType const & desc) {
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typename ConfigMap::iterator it = _configMap.find(desc);
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if (it != _configMap.end()) {
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return it->second;
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} else {
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ConfigType * config =
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_CreateDrawConfig(desc, _CreateDrawSourceConfig(desc));
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_configMap[desc] = config;
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return config;
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}
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}
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protected:
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virtual ConfigType * _NewDrawConfig() { return new ConfigType(); }
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virtual ConfigType *
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_CreateDrawConfig(DescType const & desc,
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SourceConfigType const * sconfig) { return NULL; }
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virtual SourceConfigType * _NewDrawSourceConfig() { return new SourceConfigType(); }
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virtual SourceConfigType *
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_CreateDrawSourceConfig(DescType const & desc) { return NULL; }
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private:
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ConfigMap _configMap;
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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_GL_DRAW_REGISTRY_H */
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