| // |
| // Copyright (c) 2002-2013 The ANGLE Project Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| // |
| |
| // Framebuffer.h: Defines the gl::Framebuffer class. Implements GL framebuffer |
| // objects and related functionality. [OpenGL ES 2.0.24] section 4.4 page 105. |
| |
| #ifndef LIBGLESV2_FRAMEBUFFER_H_ |
| #define LIBGLESV2_FRAMEBUFFER_H_ |
| |
| #include "common/angleutils.h" |
| #include "common/RefCountObject.h" |
| #include "constants.h" |
| |
| namespace rx |
| { |
| class Renderer; |
| } |
| |
| namespace gl |
| { |
| class Renderbuffer; |
| class Colorbuffer; |
| class Depthbuffer; |
| class Stencilbuffer; |
| class DepthStencilbuffer; |
| |
| class Framebuffer |
| { |
| public: |
| explicit Framebuffer(rx::Renderer *renderer); |
| |
| virtual ~Framebuffer(); |
| |
| void setColorbuffer(unsigned int colorAttachment, GLenum type, GLuint colorbuffer); |
| void setDepthbuffer(GLenum type, GLuint depthbuffer); |
| void setStencilbuffer(GLenum type, GLuint stencilbuffer); |
| void setDepthStencilBuffer(GLenum type, GLuint depthStencilBuffer); |
| |
| void detachTexture(GLuint texture); |
| void detachRenderbuffer(GLuint renderbuffer); |
| |
| unsigned int getRenderTargetSerial(unsigned int colorAttachment) const; |
| unsigned int getDepthbufferSerial() const; |
| unsigned int getStencilbufferSerial() const; |
| |
| Renderbuffer *getColorbuffer(unsigned int colorAttachment) const; |
| Renderbuffer *getDepthbuffer() const; |
| Renderbuffer *getStencilbuffer() const; |
| Renderbuffer *getDepthOrStencilbuffer() const; |
| Renderbuffer *getReadColorbuffer() const; |
| GLenum getReadColorbufferType() const; |
| Renderbuffer *getFirstColorbuffer() const; |
| |
| GLenum getColorbufferType(unsigned int colorAttachment) const; |
| GLenum getDepthbufferType() const; |
| GLenum getStencilbufferType() const; |
| GLenum getDepthStencilbufferType() const; |
| |
| GLuint getColorbufferHandle(unsigned int colorAttachment) const; |
| GLuint getDepthbufferHandle() const; |
| GLuint getStencilbufferHandle() const; |
| GLenum getDepthStencilbufferHandle() const; |
| |
| GLenum getColorbufferMipLevel(unsigned int colorAttachment) const; |
| GLenum getDepthbufferMipLevel() const; |
| GLenum getStencilbufferMipLevel() const; |
| GLenum getDepthStencilbufferMipLevel() const; |
| |
| GLenum getColorbufferLayer(unsigned int colorAttachment) const; |
| GLenum getDepthbufferLayer() const; |
| GLenum getStencilbufferLayer() const; |
| GLenum getDepthStencilbufferLayer() const; |
| |
| GLenum getDrawBufferState(unsigned int colorAttachment) const; |
| void setDrawBufferState(unsigned int colorAttachment, GLenum drawBuffer); |
| |
| bool isEnabledColorAttachment(unsigned int colorAttachment) const; |
| bool hasEnabledColorAttachment() const; |
| bool hasStencil() const; |
| int getSamples() const; |
| bool usingExtendedDrawBuffers() const; |
| |
| virtual GLenum completeness() const; |
| |
| protected: |
| FramebufferTextureBindingPointer<Renderbuffer> mColorbuffers[IMPLEMENTATION_MAX_DRAW_BUFFERS]; |
| GLenum mDrawBufferStates[IMPLEMENTATION_MAX_DRAW_BUFFERS]; |
| GLenum mReadBufferState; |
| |
| FramebufferTextureBindingPointer<Renderbuffer> mDepthbuffer; |
| FramebufferTextureBindingPointer<Renderbuffer> mStencilbuffer; |
| |
| rx::Renderer *mRenderer; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Framebuffer); |
| |
| Renderbuffer *lookupRenderbuffer(GLenum type, GLuint handle) const; |
| }; |
| |
| class DefaultFramebuffer : public Framebuffer |
| { |
| public: |
| DefaultFramebuffer(rx::Renderer *Renderer, Colorbuffer *colorbuffer, DepthStencilbuffer *depthStencil); |
| |
| virtual GLenum completeness() const; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(DefaultFramebuffer); |
| }; |
| |
| } |
| |
| #endif // LIBGLESV2_FRAMEBUFFER_H_ |