OpenSceneGraph/include/osgUtil/RenderToTextureStage
Robert Osfield ee8f7bb756 Added post draw callback to osg::CameraNode/osgUtil::RenderToTextureStage.
Added support for Texture1D, 2D, 3D and TextureRectangle into osgUtil::RenderToTextureStage.
2005-07-24 20:31:21 +00:00

97 lines
3.7 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2005 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 OSGUTIL_RENDERTOTEXTURESTAGE
#define OSGUTIL_RENDERTOTEXTURESTAGE 1
#include <osg/Texture>
#include <osg/FrameBufferObject>
#include <osg/CameraNode>
#include <osgUtil/RenderStage>
namespace osgUtil {
/**
* RenderStage which copies the final image to an attached texture or image.
* Generally used as a pre-rendering stage.
*/
class OSGUTIL_EXPORT RenderToTextureStage : public RenderStage
{
public:
RenderToTextureStage();
virtual osg::Object* cloneType() const { return new RenderToTextureStage(); }
virtual osg::Object* clone(const osg::CopyOp&) const { return new RenderToTextureStage(); } // note only implements a clone of type.
virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const RenderToTextureStage*>(obj)!=0L; }
virtual const char* libraryName() const { return "osgUtil"; }
virtual const char* className() const { return "RenderToTextureStage"; }
virtual void reset();
void setCameraNode(const osg::CameraNode* camera) { _camera = camera; }
const osg::CameraNode* getCameraNode() const { return _camera; }
void setTexture(osg::Texture* texture, unsigned int level = 0, unsigned int face=0) { _texture = texture; _level = level; _face = face; }
osg::Texture* getTexture() { return _texture.get(); }
void setImage(osg::Image* image) { _image = image; }
osg::Image* getImage() { return _image.get(); }
void setImageReadPixelFormat(GLenum format) { _imageReadPixelFormat = format; }
GLenum getImageReadPixelFormat() const { return _imageReadPixelFormat; }
void setImageReadPixelDataType(GLenum type) { _imageReadPixelDataType = type; }
GLenum getImageReadPixelDataType() const { return _imageReadPixelDataType; }
void setFrameBufferObject(osg::FrameBufferObject* fbo) { _fbo = fbo; }
osg::FrameBufferObject* getFrameBufferObject() { return _fbo.get(); }
const osg::FrameBufferObject* getFrameBufferObject() const { return _fbo.get(); }
void setGraphicsContext(osg::GraphicsContext* context) { _graphicsContext = context; }
osg::GraphicsContext* getGraphicsContext() { return _graphicsContext.get(); }
const osg::GraphicsContext* getGraphicsContext() const { return _graphicsContext.get(); }
virtual void draw(osg::State& state,RenderLeaf*& previous);
public:
protected:
virtual ~RenderToTextureStage();
const osg::CameraNode* _camera;
osg::ref_ptr<osg::Texture> _texture;
unsigned int _level;
unsigned int _face;
osg::ref_ptr<osg::Image> _image;
GLenum _imageReadPixelFormat;
GLenum _imageReadPixelDataType;
osg::ref_ptr<osg::FrameBufferObject> _fbo;
osg::ref_ptr<osg::GraphicsContext> _graphicsContext;
};
}
#endif