| // |
| // 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 LIBANGLE_FRAMEBUFFER_H_ |
| #define LIBANGLE_FRAMEBUFFER_H_ |
| |
| #include <vector> |
| |
| #include "common/angleutils.h" |
| #include "libANGLE/Constants.h" |
| #include "libANGLE/Error.h" |
| #include "libANGLE/RefCountObject.h" |
| |
| namespace rx |
| { |
| class DefaultAttachmentImpl; |
| class ImplFactory; |
| class FramebufferImpl; |
| class RenderbufferImpl; |
| struct Workarounds; |
| } |
| |
| namespace egl |
| { |
| class Surface; |
| } |
| |
| namespace gl |
| { |
| class FramebufferAttachment; |
| class Renderbuffer; |
| class State; |
| class Texture; |
| class TextureCapsMap; |
| struct Caps; |
| struct Data; |
| struct Extensions; |
| struct ImageIndex; |
| struct Rectangle; |
| |
| typedef std::vector<FramebufferAttachment *> AttachmentList; |
| |
| class Framebuffer |
| { |
| public: |
| |
| class Data final |
| { |
| public: |
| explicit Data(const Caps &caps); |
| ~Data(); |
| |
| FramebufferAttachment *getReadAttachment() const; |
| FramebufferAttachment *getFirstColorAttachment() const; |
| FramebufferAttachment *getDepthOrStencilAttachment() const; |
| |
| AttachmentList mColorAttachments; |
| FramebufferAttachment *mDepthAttachment; |
| FramebufferAttachment *mStencilAttachment; |
| |
| std::vector<GLenum> mDrawBufferStates; |
| GLenum mReadBufferState; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Data); |
| }; |
| |
| Framebuffer(const Caps &caps, rx::ImplFactory *factory, GLuint id); |
| virtual ~Framebuffer(); |
| |
| const rx::FramebufferImpl *getImplementation() const { return mImpl; } |
| rx::FramebufferImpl *getImplementation() { return mImpl; } |
| |
| 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; |
| |
| FramebufferAttachment *getAttachment(GLenum attachment) const; |
| |
| GLenum getDrawBufferState(unsigned int colorAttachment) const; |
| void setDrawBuffers(size_t count, const GLenum *buffers); |
| |
| GLenum getReadBufferState() const; |
| void setReadBuffer(GLenum buffer); |
| |
| bool isEnabledColorAttachment(unsigned int colorAttachment) const; |
| bool hasEnabledColorAttachment() const; |
| bool hasStencil() const; |
| int getSamples(const gl::Data &data) const; |
| bool usingExtendedDrawBuffers() const; |
| |
| GLenum checkStatus(const gl::Data &data) const; |
| bool hasValidDepthStencil() const; |
| |
| Error invalidate(size_t count, const GLenum *attachments); |
| Error invalidateSub(size_t count, const GLenum *attachments, const gl::Rectangle &area); |
| |
| Error clear(const State &state, GLbitfield mask); |
| Error clearBufferfv(const State &state, GLenum buffer, GLint drawbuffer, const GLfloat *values); |
| Error clearBufferuiv(const State &state, GLenum buffer, GLint drawbuffer, const GLuint *values); |
| Error clearBufferiv(const State &state, GLenum buffer, GLint drawbuffer, const GLint *values); |
| Error clearBufferfi(const State &state, GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil); |
| |
| GLenum getImplementationColorReadFormat() const; |
| GLenum getImplementationColorReadType() const; |
| Error readPixels(const gl::State &state, const gl::Rectangle &area, GLenum format, GLenum type, GLvoid *pixels) const; |
| |
| Error blit(const gl::State &state, const gl::Rectangle &sourceArea, const gl::Rectangle &destArea, |
| GLbitfield mask, GLenum filter, const gl::Framebuffer *sourceFramebuffer); |
| |
| protected: |
| void setAttachment(GLenum attachment, FramebufferAttachment *attachmentObj); |
| void detachResourceById(GLenum resourceType, GLuint resourceId); |
| |
| Data mData; |
| rx::FramebufferImpl *mImpl; |
| GLuint mId; |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Framebuffer); |
| }; |
| |
| class DefaultFramebuffer : public Framebuffer |
| { |
| public: |
| DefaultFramebuffer(const gl::Caps &caps, rx::ImplFactory *factory, egl::Surface *surface); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(DefaultFramebuffer); |
| }; |
| |
| } |
| |
| #endif // LIBANGLE_FRAMEBUFFER_H_ |