63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
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*
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* This library is open source and may be redistributed and/or modified under
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* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
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* (at your option) any later version. The full license is in LICENSE file
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* included with this distribution, and on the openscenegraph.org website.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* OpenSceneGraph Public License for more details.
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*/
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#ifndef OSG_SHADERCOMPOSER
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#define OSG_SHADERCOMPOSER 1
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#include <osg/Object>
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#include <osg/StateAttribute>
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#include <osg/Program>
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namespace osg {
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// forward declare osg::State
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class State;
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typedef std::vector<osg::ShaderComponent*> ShaderComponents;
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class OSG_EXPORT ShaderComposer : public osg::Object
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{
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public:
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ShaderComposer();
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ShaderComposer(const ShaderComposer& sa,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
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META_Object(osg, ShaderComposer)
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virtual osg::Program* getOrCreateProgram(const ShaderComponents& shaderComponents);
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typedef std::vector< const osg::Shader* > Shaders;
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virtual osg::Shader* composeMain(const Shaders& shaders);
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virtual void addShaderToProgram(Program* program, const Shaders& shaders);
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/// kept for backward compatibility
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void releaseGLObjects(osg::State* state) { static_cast<const ShaderComposer*>(this)->releaseGLObjects(state); }
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virtual void releaseGLObjects(osg::State* state) const;
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protected:
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virtual ~ShaderComposer();
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typedef std::map< ShaderComponents, ref_ptr<Program> > ProgramMap;
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ProgramMap _programMap;
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typedef std::map< Shaders, ref_ptr<Shader> > ShaderMainMap;
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ShaderMainMap _shaderMainMap;
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};
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}
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#endif
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