michael@0: 
michael@0: /*
michael@0:  * Copyright 2012 Google Inc.
michael@0:  *
michael@0:  * Use of this source code is governed by a BSD-style license that can be
michael@0:  * found in the LICENSE file.
michael@0:  */
michael@0: 
michael@0: #ifndef GrFrameBufferObj_DEFINED
michael@0: #define GrFrameBufferObj_DEFINED
michael@0: 
michael@0: #include "GrFakeRefObj.h"
michael@0: class GrFBBindableObj;
michael@0: 
michael@0: ////////////////////////////////////////////////////////////////////////////////
michael@0: // TODO: when a framebuffer obj is bound the GL_SAMPLES query must return 0
michael@0: // TODO: GL_STENCIL_BITS must also be redirected to the framebuffer
michael@0: class GrFrameBufferObj : public GrFakeRefObj {
michael@0:     GR_DEFINE_CREATOR(GrFrameBufferObj);
michael@0: 
michael@0: public:
michael@0:     GrFrameBufferObj()
michael@0:         : GrFakeRefObj()
michael@0:         , fBound(false)
michael@0:         , fColorBuffer(NULL)
michael@0:         , fDepthBuffer(NULL)
michael@0:         , fStencilBuffer(NULL) {
michael@0:     }
michael@0: 
michael@0:     virtual ~GrFrameBufferObj() {
michael@0:         fColorBuffer = NULL;
michael@0:         fDepthBuffer = NULL;
michael@0:         fStencilBuffer = NULL;
michael@0:     }
michael@0: 
michael@0:     void setBound()         { fBound = true; }
michael@0:     void resetBound()       { fBound = false; }
michael@0:     bool getBound() const   { return fBound; }
michael@0: 
michael@0:     void setColor(GrFBBindableObj *buffer);
michael@0:     GrFBBindableObj *getColor()       { return fColorBuffer; }
michael@0: 
michael@0:     void setDepth(GrFBBindableObj *buffer);
michael@0:     GrFBBindableObj *getDepth()       { return fDepthBuffer; }
michael@0: 
michael@0:     void setStencil(GrFBBindableObj *buffer);
michael@0:     GrFBBindableObj *getStencil()     { return fStencilBuffer; }
michael@0: 
michael@0:     virtual void deleteAction() SK_OVERRIDE {
michael@0: 
michael@0:         setColor(NULL);
michael@0:         setDepth(NULL);
michael@0:         setStencil(NULL);
michael@0: 
michael@0:         this->INHERITED::deleteAction();
michael@0:     }
michael@0: 
michael@0: protected:
michael@0: private:
michael@0:     bool fBound;        // is this frame buffer currently bound via "glBindFramebuffer"?
michael@0:     GrFBBindableObj * fColorBuffer;
michael@0:     GrFBBindableObj * fDepthBuffer;
michael@0:     GrFBBindableObj * fStencilBuffer;
michael@0: 
michael@0:     typedef GrFakeRefObj INHERITED;
michael@0: };
michael@0: 
michael@0: #endif // GrFrameBufferObj_DEFINED