1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/angle/src/libGLESv2/Framebuffer.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,108 @@
1.4 +//
1.5 +// Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved.
1.6 +// Use of this source code is governed by a BSD-style license that can be
1.7 +// found in the LICENSE file.
1.8 +//
1.9 +
1.10 +// Framebuffer.h: Defines the gl::Framebuffer class. Implements GL framebuffer
1.11 +// objects and related functionality. [OpenGL ES 2.0.24] section 4.4 page 105.
1.12 +
1.13 +#ifndef LIBGLESV2_FRAMEBUFFER_H_
1.14 +#define LIBGLESV2_FRAMEBUFFER_H_
1.15 +
1.16 +#include "common/angleutils.h"
1.17 +#include "common/RefCountObject.h"
1.18 +#include "Constants.h"
1.19 +
1.20 +namespace rx
1.21 +{
1.22 +class Renderer;
1.23 +}
1.24 +
1.25 +namespace gl
1.26 +{
1.27 +class Renderbuffer;
1.28 +class Colorbuffer;
1.29 +class Depthbuffer;
1.30 +class Stencilbuffer;
1.31 +class DepthStencilbuffer;
1.32 +
1.33 +class Framebuffer
1.34 +{
1.35 + public:
1.36 + explicit Framebuffer(rx::Renderer *renderer);
1.37 +
1.38 + virtual ~Framebuffer();
1.39 +
1.40 + void setColorbuffer(unsigned int colorAttachment, GLenum type, GLuint colorbuffer);
1.41 + void setDepthbuffer(GLenum type, GLuint depthbuffer);
1.42 + void setStencilbuffer(GLenum type, GLuint stencilbuffer);
1.43 +
1.44 + void detachTexture(GLuint texture);
1.45 + void detachRenderbuffer(GLuint renderbuffer);
1.46 +
1.47 + unsigned int getRenderTargetSerial(unsigned int colorAttachment) const;
1.48 + unsigned int getDepthbufferSerial() const;
1.49 + unsigned int getStencilbufferSerial() const;
1.50 +
1.51 + Renderbuffer *getColorbuffer(unsigned int colorAttachment) const;
1.52 + Renderbuffer *getDepthbuffer() const;
1.53 + Renderbuffer *getStencilbuffer() const;
1.54 + Renderbuffer *getDepthOrStencilbuffer() const;
1.55 + Renderbuffer *getReadColorbuffer() const;
1.56 + GLenum getReadColorbufferType() const;
1.57 + Renderbuffer *getFirstColorbuffer() const;
1.58 +
1.59 + GLenum getColorbufferType(unsigned int colorAttachment) const;
1.60 + GLenum getDepthbufferType() const;
1.61 + GLenum getStencilbufferType() const;
1.62 +
1.63 + GLuint getColorbufferHandle(unsigned int colorAttachment) const;
1.64 + GLuint getDepthbufferHandle() const;
1.65 + GLuint getStencilbufferHandle() const;
1.66 +
1.67 + GLenum getDrawBufferState(unsigned int colorAttachment) const;
1.68 + void setDrawBufferState(unsigned int colorAttachment, GLenum drawBuffer);
1.69 +
1.70 + bool isEnabledColorAttachment(unsigned int colorAttachment) const;
1.71 + bool hasEnabledColorAttachment() const;
1.72 + bool hasStencil() const;
1.73 + int getSamples() const;
1.74 + bool usingExtendedDrawBuffers() const;
1.75 +
1.76 + virtual GLenum completeness() const;
1.77 +
1.78 + protected:
1.79 + GLenum mColorbufferTypes[IMPLEMENTATION_MAX_DRAW_BUFFERS];
1.80 + BindingPointer<Renderbuffer> mColorbufferPointers[IMPLEMENTATION_MAX_DRAW_BUFFERS];
1.81 + GLenum mDrawBufferStates[IMPLEMENTATION_MAX_DRAW_BUFFERS];
1.82 + GLenum mReadBufferState;
1.83 +
1.84 + GLenum mDepthbufferType;
1.85 + BindingPointer<Renderbuffer> mDepthbufferPointer;
1.86 +
1.87 + GLenum mStencilbufferType;
1.88 + BindingPointer<Renderbuffer> mStencilbufferPointer;
1.89 +
1.90 + rx::Renderer *mRenderer;
1.91 +
1.92 + private:
1.93 + DISALLOW_COPY_AND_ASSIGN(Framebuffer);
1.94 +
1.95 + Renderbuffer *lookupRenderbuffer(GLenum type, GLuint handle) const;
1.96 +};
1.97 +
1.98 +class DefaultFramebuffer : public Framebuffer
1.99 +{
1.100 + public:
1.101 + DefaultFramebuffer(rx::Renderer *Renderer, Colorbuffer *colorbuffer, DepthStencilbuffer *depthStencil);
1.102 +
1.103 + virtual GLenum completeness() const;
1.104 +
1.105 + private:
1.106 + DISALLOW_COPY_AND_ASSIGN(DefaultFramebuffer);
1.107 +};
1.108 +
1.109 +}
1.110 +
1.111 +#endif // LIBGLESV2_FRAMEBUFFER_H_
