728b8c9301
allow customization of what format/data type to read such as reading from the depth buffer etc.
75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2003 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 OSGUTIL_RENDERTOTEXTURESTAGE
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#define OSGUTIL_RENDERTOTEXTURESTAGE 1
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#include <osg/Texture2D>
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#include <osgUtil/RenderStage>
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namespace osgUtil {
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/**
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* RenderStage which copies the final image to an attached texture or image.
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* Generally used as a pre-rendering stage.
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*/
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class OSGUTIL_EXPORT RenderToTextureStage : public RenderStage
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{
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public:
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RenderToTextureStage();
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virtual osg::Object* cloneType() const { return new RenderToTextureStage(); }
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virtual osg::Object* clone(const osg::CopyOp&) const { return new RenderToTextureStage(); } // note only implements a clone of type.
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virtual bool isSameKindAs(const osg::Object* obj) const { return dynamic_cast<const RenderToTextureStage*>(obj)!=0L; }
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virtual const char* libraryName() const { return "osgUtil"; }
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virtual const char* className() const { return "RenderToTextureStage"; }
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virtual void reset();
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void setTexture(osg::Texture2D* texture) { _texture = texture; }
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osg::Texture2D* getTexture() { return _texture.get(); }
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void setImage(osg::Image* image) { _image = image; }
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osg::Image* getImage() { return _image.get(); }
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void setImageReadPixelFormat(GLenum format) { _imageReadPixelFormat = format; }
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GLenum getImageReadPixelFormat() const { return _imageReadPixelFormat; }
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void setImageReadPixelDataType(GLenum type) { _imageReadPixelDataType = type; }
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GLenum getImageReadPixelDataType() const { return _imageReadPixelDataType; }
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virtual void draw(osg::State& state,RenderLeaf*& previous);
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public:
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protected:
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virtual ~RenderToTextureStage();
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osg::ref_ptr<osg::Texture2D> _texture;
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osg::ref_ptr<osg::Image> _image;
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GLenum _imageReadPixelFormat;
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GLenum _imageReadPixelDataType;
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};
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}
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#endif
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