michael@0: //
michael@0: // Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved.
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: // Framebuffer.h: Defines the gl::Framebuffer class. Implements GL framebuffer
michael@0: // objects and related functionality. [OpenGL ES 2.0.24] section 4.4 page 105.
michael@0: 
michael@0: #ifndef LIBGLESV2_FRAMEBUFFER_H_
michael@0: #define LIBGLESV2_FRAMEBUFFER_H_
michael@0: 
michael@0: #include "common/angleutils.h"
michael@0: #include "common/RefCountObject.h"
michael@0: #include "Constants.h"
michael@0: 
michael@0: namespace rx
michael@0: {
michael@0: class Renderer;
michael@0: }
michael@0: 
michael@0: namespace gl
michael@0: {
michael@0: class Renderbuffer;
michael@0: class Colorbuffer;
michael@0: class Depthbuffer;
michael@0: class Stencilbuffer;
michael@0: class DepthStencilbuffer;
michael@0: 
michael@0: class Framebuffer
michael@0: {
michael@0:   public:
michael@0:     explicit Framebuffer(rx::Renderer *renderer);
michael@0: 
michael@0:     virtual ~Framebuffer();
michael@0: 
michael@0:     void setColorbuffer(unsigned int colorAttachment, GLenum type, GLuint colorbuffer);
michael@0:     void setDepthbuffer(GLenum type, GLuint depthbuffer);
michael@0:     void setStencilbuffer(GLenum type, GLuint stencilbuffer);
michael@0: 
michael@0:     void detachTexture(GLuint texture);
michael@0:     void detachRenderbuffer(GLuint renderbuffer);
michael@0: 
michael@0:     unsigned int getRenderTargetSerial(unsigned int colorAttachment) const;
michael@0:     unsigned int getDepthbufferSerial() const;
michael@0:     unsigned int getStencilbufferSerial() const;
michael@0: 
michael@0:     Renderbuffer *getColorbuffer(unsigned int colorAttachment) const;
michael@0:     Renderbuffer *getDepthbuffer() const;
michael@0:     Renderbuffer *getStencilbuffer() const;
michael@0:     Renderbuffer *getDepthOrStencilbuffer() const;
michael@0:     Renderbuffer *getReadColorbuffer() const;
michael@0:     GLenum getReadColorbufferType() const;
michael@0:     Renderbuffer *getFirstColorbuffer() const;
michael@0: 
michael@0:     GLenum getColorbufferType(unsigned int colorAttachment) const;
michael@0:     GLenum getDepthbufferType() const;
michael@0:     GLenum getStencilbufferType() const;
michael@0: 
michael@0:     GLuint getColorbufferHandle(unsigned int colorAttachment) const;
michael@0:     GLuint getDepthbufferHandle() const;
michael@0:     GLuint getStencilbufferHandle() const;
michael@0: 
michael@0:     GLenum getDrawBufferState(unsigned int colorAttachment) const;
michael@0:     void setDrawBufferState(unsigned int colorAttachment, GLenum drawBuffer);
michael@0: 
michael@0:     bool isEnabledColorAttachment(unsigned int colorAttachment) const;
michael@0:     bool hasEnabledColorAttachment() const;
michael@0:     bool hasStencil() const;
michael@0:     int getSamples() const;
michael@0:     bool usingExtendedDrawBuffers() const;
michael@0: 
michael@0:     virtual GLenum completeness() const;
michael@0: 
michael@0:   protected:
michael@0:     GLenum mColorbufferTypes[IMPLEMENTATION_MAX_DRAW_BUFFERS];
michael@0:     BindingPointer<Renderbuffer> mColorbufferPointers[IMPLEMENTATION_MAX_DRAW_BUFFERS];
michael@0:     GLenum mDrawBufferStates[IMPLEMENTATION_MAX_DRAW_BUFFERS];
michael@0:     GLenum mReadBufferState;
michael@0: 
michael@0:     GLenum mDepthbufferType;
michael@0:     BindingPointer<Renderbuffer> mDepthbufferPointer;
michael@0: 
michael@0:     GLenum mStencilbufferType;
michael@0:     BindingPointer<Renderbuffer> mStencilbufferPointer;
michael@0: 
michael@0:     rx::Renderer *mRenderer;
michael@0: 
michael@0:   private:
michael@0:     DISALLOW_COPY_AND_ASSIGN(Framebuffer);
michael@0: 
michael@0:     Renderbuffer *lookupRenderbuffer(GLenum type, GLuint handle) const;
michael@0: };
michael@0: 
michael@0: class DefaultFramebuffer : public Framebuffer
michael@0: {
michael@0:   public:
michael@0:     DefaultFramebuffer(rx::Renderer *Renderer, Colorbuffer *colorbuffer, DepthStencilbuffer *depthStencil);
michael@0: 
michael@0:     virtual GLenum completeness() const;
michael@0: 
michael@0:   private:
michael@0:     DISALLOW_COPY_AND_ASSIGN(DefaultFramebuffer);
michael@0: };
michael@0: 
michael@0: }
michael@0: 
michael@0: #endif   // LIBGLESV2_FRAMEBUFFER_H_