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      1 //
      2 // Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved.
      3 // Use of this source code is governed by a BSD-style license that can be
      4 // found in the LICENSE file.
      5 //
      6 
      7 // Framebuffer.h: Defines the gl::Framebuffer class. Implements GL framebuffer
      8 // objects and related functionality. [OpenGL ES 2.0.24] section 4.4 page 105.
      9 
     10 #ifndef LIBGLESV2_FRAMEBUFFER_H_
     11 #define LIBGLESV2_FRAMEBUFFER_H_
     12 
     13 #define GL_APICALL
     14 #include <GLES2/gl2.h>
     15 #include <d3d9.h>
     16 
     17 #include "common/angleutils.h"
     18 #include "libGLESv2/RefCountObject.h"
     19 
     20 namespace gl
     21 {
     22 class Renderbuffer;
     23 class Colorbuffer;
     24 class Depthbuffer;
     25 class Stencilbuffer;
     26 class DepthStencilbuffer;
     27 
     28 class Framebuffer
     29 {
     30   public:
     31     Framebuffer();
     32 
     33     virtual ~Framebuffer();
     34 
     35     void setColorbuffer(GLenum type, GLuint colorbuffer);
     36     void setDepthbuffer(GLenum type, GLuint depthbuffer);
     37     void setStencilbuffer(GLenum type, GLuint stencilbuffer);
     38 
     39     void detachTexture(GLuint texture);
     40     void detachRenderbuffer(GLuint renderbuffer);
     41 
     42     IDirect3DSurface9 *getRenderTarget();
     43     IDirect3DSurface9 *getDepthStencil();
     44 
     45     unsigned int getRenderTargetSerial();
     46     unsigned int getDepthbufferSerial();
     47     unsigned int getStencilbufferSerial();
     48 
     49     Colorbuffer *getColorbuffer();
     50     DepthStencilbuffer *getDepthbuffer();
     51     DepthStencilbuffer *getStencilbuffer();
     52 
     53     GLenum getColorbufferType();
     54     GLenum getDepthbufferType();
     55     GLenum getStencilbufferType();
     56 
     57     GLuint getColorbufferHandle();
     58     GLuint getDepthbufferHandle();
     59     GLuint getStencilbufferHandle();
     60 
     61     bool hasStencil();
     62     bool isMultisample();
     63     int getSamples();
     64 
     65     virtual GLenum completeness();
     66 
     67   protected:
     68     GLenum mColorbufferType;
     69     BindingPointer<Renderbuffer> mColorbufferPointer;
     70 
     71     GLenum mDepthbufferType;
     72     BindingPointer<Renderbuffer> mDepthbufferPointer;
     73 
     74     GLenum mStencilbufferType;
     75     BindingPointer<Renderbuffer> mStencilbufferPointer;
     76 
     77   private:
     78     DISALLOW_COPY_AND_ASSIGN(Framebuffer);
     79 
     80     Renderbuffer *lookupRenderbuffer(GLenum type, GLuint handle) const;
     81 };
     82 
     83 class DefaultFramebuffer : public Framebuffer
     84 {
     85   public:
     86     DefaultFramebuffer(Colorbuffer *color, DepthStencilbuffer *depthStencil);
     87 
     88     virtual GLenum completeness();
     89 
     90   private:
     91     DISALLOW_COPY_AND_ASSIGN(DefaultFramebuffer);
     92 };
     93 
     94 }
     95 
     96 #endif   // LIBGLESV2_FRAMEBUFFER_H_
     97