kc3-lang/angle/src/libANGLE/Framebuffer.h

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• Hash : 48115b6f
  Author :
  Date : 2015-03-16T10:46:57
  

  Use rx::ImplFactory in Framebuffer init.
  
  BUG=angleproject:942
  
  Change-Id: Idf14a4e42148b379b64b129ab649a9222cf1fb52
  Reviewed-on: https://chromium-review.googlesource.com/258902
  Tested-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/Framebuffer.h

• //
  // 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_
  

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