| // |
| // 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 "libGLESv2/Error.h" |
| |
| #include "common/angleutils.h" |
| #include "common/RefCountObject.h" |
| #include "Constants.h" |
| |
| #include <vector> |
| |
| namespace rx |
| { |
| class RenderbufferImpl; |
| struct Workarounds; |
| class DefaultAttachmentImpl; |
| } |
| |
| namespace gl |
| { |
| class FramebufferAttachment; |
| class Texture; |
| class Renderbuffer; |
| struct ImageIndex; |
| struct Caps; |
| struct Extensions; |
| class TextureCapsMap; |
| struct Data; |
| |
| typedef std::vector<FramebufferAttachment *> ColorbufferInfo; |
| |
| class Framebuffer |
| { |
| public: |
| Framebuffer(GLuint id); |
| virtual ~Framebuffer(); |
| |
| GLuint id() const { return mId; } |
| |
| void setTextureAttachment(GLenum attachment, Texture *texture, const ImageIndex &imageIndex); |
| void setRenderbufferAttachment(GLenum attachment, Renderbuffer *renderbuffer); |
| void setNULLAttachment(GLenum attachment); |
| |
| void detachTexture(GLuint texture); |
| void detachRenderbuffer(GLuint renderbuffer); |
| |
| FramebufferAttachment *getColorbuffer(unsigned int colorAttachment) const; |
| FramebufferAttachment *getDepthbuffer() const; |
| FramebufferAttachment *getStencilbuffer() const; |
| FramebufferAttachment *getDepthStencilBuffer() const; |
| FramebufferAttachment *getDepthOrStencilbuffer() const; |
| FramebufferAttachment *getReadColorbuffer() const; |
| GLenum getReadColorbufferType() const; |
| FramebufferAttachment *getFirstColorbuffer() const; |
| |
| virtual FramebufferAttachment *getAttachment(GLenum attachment) 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 gl::Data &data) const; |
| bool usingExtendedDrawBuffers() const; |
| |
| virtual GLenum completeness(const gl::Data &data) const; |
| bool hasValidDepthStencil() const; |
| |
| Error invalidate(const Caps &caps, GLsizei numAttachments, const GLenum *attachments); |
| Error invalidateSub(GLsizei numAttachments, const GLenum *attachments, GLint x, GLint y, GLsizei width, GLsizei height); |
| |
| // Use this method to retrieve the color buffer map when doing rendering. |
| // It will apply a workaround for poor shader performance on some systems |
| // by compacting the list to skip NULL values. |
| ColorbufferInfo getColorbuffersForRender(const rx::Workarounds &workarounds) const; |
| |
| protected: |
| GLuint mId; |
| |
| FramebufferAttachment *mColorbuffers[IMPLEMENTATION_MAX_DRAW_BUFFERS]; |
| GLenum mDrawBufferStates[IMPLEMENTATION_MAX_DRAW_BUFFERS]; |
| GLenum mReadBufferState; |
| |
| FramebufferAttachment *mDepthbuffer; |
| FramebufferAttachment *mStencilbuffer; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Framebuffer); |
| |
| void setAttachment(GLenum attachment, FramebufferAttachment *attachmentObj); |
| }; |
| |
| class DefaultFramebuffer : public Framebuffer |
| { |
| public: |
| DefaultFramebuffer(rx::DefaultAttachmentImpl *colorAttachment, rx::DefaultAttachmentImpl *depthAttachment, |
| rx::DefaultAttachmentImpl *stencilAttachment); |
| |
| GLenum completeness(const gl::Data &data) const override; |
| virtual FramebufferAttachment *getAttachment(GLenum attachment) const; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(DefaultFramebuffer); |
| }; |
| |
| } |
| |
| namespace rx |
| { |
| class RenderTarget; |
| |
| // TODO: place this in FramebufferD3D.h |
| gl::Error GetAttachmentRenderTarget(gl::FramebufferAttachment *attachment, RenderTarget **outRT); |
| unsigned int GetAttachmentSerial(gl::FramebufferAttachment *attachment); |
| |
| } |
| |
| #endif // LIBGLESV2_FRAMEBUFFER_H_ |