OpenSceneGraph/include/osg/ShaderAttribute
Robert Osfield 46b221a832 Added compile/release and resize of GL objects to ShaderAttribute.
Removed the StateAttribute::compose() method.

Fixed the default type value in ShaderAttribute
2010-07-06 12:19:26 +00:00

76 lines
2.6 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2004 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_SHADERATTRIBUTE
#define OSG_SHADERATTRIBUTE 1
#include <osg/StateAttribute>
#include <osg/Shader>
#include <osg/Uniform>
namespace osg {
class OSG_EXPORT ShaderAttribute : public StateAttribute
{
public :
ShaderAttribute();
/** Copy constructor using CopyOp to manage deep vs shallow copy. */
ShaderAttribute(const ShaderAttribute& sa,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
META_Object(osg, ShaderAttribute);
/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs. */
virtual int compare(const StateAttribute& sa) const;
void setType(Type type);
virtual Type getType() const { return _type; }
unsigned int addShader(Shader* shader) { return _shaderComponent->addShader(shader); }
void removeShader(unsigned int i) { _shaderComponent->removeShader(i); }
unsigned int getNumShaders() const { return _shaderComponent->getNumShaders(); }
Shader* getShader(unsigned int i) { return _shaderComponent->getShader(i); }
const Shader* getShader(unsigned int i) const { return _shaderComponent->getShader(i); }
unsigned int addUniform(Uniform* uniform);
void removeUniform(unsigned int i);
unsigned int getNumUniforms() const { return _uniforms.size(); }
Uniform* getUniform(unsigned int i) { return _uniforms[i].get(); }
const Uniform* getUniform(unsigned int i) const { return _uniforms[i].get(); }
virtual bool getModeUsage(StateAttribute::ModeUsage& usage) const;
virtual void apply(State& state) const;
virtual void compileGLObjects(State& state) const;
virtual void resizeGLObjectBuffers(unsigned int maxSize);
virtual void releaseGLObjects(State* state=0) const;
protected :
virtual ~ShaderAttribute();
typedef std::vector< osg::ref_ptr<osg::Uniform> > Uniforms;
Type _type;
Uniforms _uniforms;
};
}
#endif