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From Michael Platings and Paul Palumbo, multi-sample FBO support

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This commit is contained in:
Robert Osfield
2008-06-18 14:09:11 +00:00
parent 7bef1bd16a
commit 90ea0bd95f
6 changed files with 439 additions and 79 deletions
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23
include/osgUtil/RenderStage
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@@ -138,11 +138,28 @@ class OSGUTIL_EXPORT RenderStage : public RenderBin
void setImageReadPixelDataType(GLenum type) { _imageReadPixelDataType = type; }
GLenum getImageReadPixelDataType() const { return _imageReadPixelDataType; }
/** Set a framebuffer object to render into. It is permissible for the
* framebuffer object to be multisampled, in which case you should also
* set a resolve framebuffer object - see setMultisampleResolveFramebufferObject(). */
void setFrameBufferObject(osg::FrameBufferObject* fbo) { _fbo = fbo; }
osg::FrameBufferObject* getFrameBufferObject() { return _fbo.get(); }
const osg::FrameBufferObject* getFrameBufferObject() const { return _fbo.get(); }
/** Sets the destination framebuffer object for glBlitFramebufferEXT to
* resolve a multisampled framebuffer object after the RenderStage is
* drawn. The resolve framebuffer object must not be multisampled. The
* resolve framebuffer object is only necessary if the primary framebuffer
* object is multisampled, if not then leave it set to null. */
void setMultisampleResolveFramebufferObject(osg::FrameBufferObject* fbo);
osg::FrameBufferObject* getMultisampleResolveFramebufferObject() { return _resolveFbo.get(); }
const osg::FrameBufferObject* getMultisampleResolveFramebufferObject() const { return _resolveFbo.get(); }
/** Set whether the framebuffer object should be unbound after
* rendering. By default this is set to true. Set it to false if the
* unbinding is not required. */
void setDisableFboAfterRender(bool disable) {_disableFboAfterRender = disable;}
bool getDisableFboAfterRender() const {return _disableFboAfterRender;}
void setGraphicsContext(osg::GraphicsContext* context) { _graphicsContext = context; }
osg::GraphicsContext* getGraphicsContext() { return _graphicsContext.get(); }
const osg::GraphicsContext* getGraphicsContext() const { return _graphicsContext.get(); }
@@ -247,7 +264,9 @@ class OSGUTIL_EXPORT RenderStage : public RenderBin
std::map< osg::Camera::BufferComponent, Attachment> _bufferAttachmentMap;
osg::ref_ptr<osg::FrameBufferObject> _fbo;
osg::ref_ptr<osg::FrameBufferObject> _resolveFbo;
osg::ref_ptr<osg::GraphicsContext> _graphicsContext;
bool _disableFboAfterRender;
mutable osg::Matrix _inheritedPositionalStateContainerMatrix;
mutable osg::ref_ptr<PositionalStateContainer> _inheritedPositionalStateContainer;