ShaderComposer
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSG_SHADERCOMPOSER
#define OSG_SHADERCOMPOSER 1
#include <osg/Object>
#include <osg/StateAttribute>
#include <osg/Program>
namespace osg {
// forward declare osg::State
class State;
typedef std::vector<osg::ShaderComponent*> ShaderComponents;
class OSG_EXPORT ShaderComposer : public osg::Object
{
public:
ShaderComposer();
ShaderComposer(const ShaderComposer& sa,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
META_Object(osg, ShaderComposer);
virtual osg::Program* getOrCreateProgram(const ShaderComponents& shaderComponents);
typedef std::vector< const osg::Shader* > Shaders;
virtual osg::Shader* composeMain(const Shaders& shaders);
virtual void addShaderToProgram(Program* program, const Shaders& shaders);
virtual void releaseGLObjects(osg::State* state) const;
protected:
virtual ~ShaderComposer();
typedef std::map< ShaderComponents, ref_ptr<Program> > ProgramMap;
ProgramMap _programMap;
typedef std::map< Shaders, ref_ptr<Shader> > ShaderMainMap;
ShaderMainMap _shaderMainMap;
};
}
#endif
Object
StateAttribute
osg::CopyOp
Definition CopyOp:41
osg::CopyOp::SHALLOW_COPY
@ SHALLOW_COPY
Definition CopyOp:47
osg::Object
Definition Object:61
osg::Program
Definition osg/Program:52
osg::ShaderComposer::Shaders
std::vector< const osg::Shader * > Shaders
Definition ShaderComposer:39
osg::ShaderComposer::~ShaderComposer
virtual ~ShaderComposer()
osg::ShaderComposer::ShaderComposer
ShaderComposer()
osg::ShaderComposer::composeMain
virtual osg::Shader * composeMain(const Shaders &shaders)
osg::ShaderComposer::_shaderMainMap
ShaderMainMap _shaderMainMap
Definition ShaderComposer:54
osg::ShaderComposer::META_Object
META_Object(osg, ShaderComposer)
osg::ShaderComposer::_programMap
ProgramMap _programMap
Definition ShaderComposer:51
osg::ShaderComposer::getOrCreateProgram
virtual osg::Program * getOrCreateProgram(const ShaderComponents &shaderComponents)
osg::ShaderComposer::ShaderComposer
ShaderComposer(const ShaderComposer &sa, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
osg::ShaderComposer::addShaderToProgram
virtual void addShaderToProgram(Program *program, const Shaders &shaders)
osg::ShaderComposer::ProgramMap
std::map< ShaderComponents, ref_ptr< Program > > ProgramMap
Definition ShaderComposer:50
osg::ShaderComposer::ShaderMainMap
std::map< Shaders, ref_ptr< Shader > > ShaderMainMap
Definition ShaderComposer:53
osg::ShaderComposer::releaseGLObjects
virtual void releaseGLObjects(osg::State *state) const
osg::Shader
Definition Shader:89
osg::State
Definition State:80
osg
Definition AlphaFunc:19
osg::ShaderComponents
std::vector< osg::ShaderComponent * > ShaderComponents
Definition ShaderComposer:26
OSG_EXPORT
#define OSG_EXPORT
Definition osg/Export:39
Program