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

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• Hash : 1bf40bfe
  Author :
  Date : 2015-08-12T15:52:04
  

  Revert "Make the default framebuffer owned by Surface"
  
  This reverts commit 87e63a9982803b5e4c12afa9a40ff0e2b04a7369.
  
  Speculative revert to fix the webgl cts on Windows D3D9 and the
  unittests on Linux.
  
  BUG=
  
  Change-Id: I488f4e0b2dc67270eed45f1c10bfba1d13c98739
  Reviewed-on: https://chromium-review.googlesource.com/293350
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  Tested-by: Corentin Wallez <cwallez@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/FramebufferAttachment.h"
  #include "libANGLE/RefCountObject.h"
  
  namespace rx
  {
  class ImplFactory;
  class FramebufferImpl;
  class RenderbufferImpl;
  }
  
  namespace egl
  {
  class Surface;
  }
  
  namespace gl
  {
  class Context;
  class Renderbuffer;
  class State;
  class Texture;
  class TextureCapsMap;
  struct Caps;
  struct Data;
  struct Extensions;
  struct ImageIndex;
  struct Rectangle;
  
  class Framebuffer
  {
    public:
  
      class Data final : angle::NonCopyable
      {
        public:
          explicit Data(const Caps &caps);
          ~Data();
  
          const FramebufferAttachment *getReadAttachment() const;
          const FramebufferAttachment *getFirstColorAttachment() const;
          const FramebufferAttachment *getDepthOrStencilAttachment() const;
          const FramebufferAttachment *getColorAttachment(unsigned int colorAttachment) const;
          const FramebufferAttachment *getDepthAttachment() const;
          const FramebufferAttachment *getStencilAttachment() const;
          const FramebufferAttachment *getDepthStencilAttachment() const;
  
          const std::vector<GLenum> &getDrawBufferStates() const { return mDrawBufferStates; }
          const std::vector<FramebufferAttachment> &getColorAttachments() const { return mColorAttachments; }
  
        private:
          friend class Framebuffer;
  
          std::vector<FramebufferAttachment> mColorAttachments;
          FramebufferAttachment mDepthAttachment;
          FramebufferAttachment mStencilAttachment;
  
          std::vector<GLenum> mDrawBufferStates;
          GLenum mReadBufferState;
      };
  
      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 setAttachment(GLenum type,
                         GLenum binding,
                         const ImageIndex &textureIndex,
                         FramebufferAttachmentObject *resource);
      void resetAttachment(GLenum binding);
  
      void detachTexture(GLuint texture);
      void detachRenderbuffer(GLuint renderbuffer);
  
      const FramebufferAttachment *getColorbuffer(unsigned int colorAttachment) const;
      const FramebufferAttachment *getDepthbuffer() const;
      const FramebufferAttachment *getStencilbuffer() const;
      const FramebufferAttachment *getDepthStencilBuffer() const;
      const FramebufferAttachment *getDepthOrStencilbuffer() const;
      const FramebufferAttachment *getReadColorbuffer() const;
      GLenum getReadColorbufferType() const;
      const FramebufferAttachment *getFirstColorbuffer() const;
  
      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 discard(size_t count, const GLenum *attachments);
      Error invalidate(size_t count, const GLenum *attachments);
      Error invalidateSub(size_t count, const GLenum *attachments, const gl::Rectangle &area);
  
      Error clear(Context *context, GLbitfield mask);
      Error clearBufferfv(Context *context, GLenum buffer, GLint drawbuffer, const GLfloat *values);
      Error clearBufferuiv(Context *context, GLenum buffer, GLint drawbuffer, const GLuint *values);
      Error clearBufferiv(Context *context, GLenum buffer, GLint drawbuffer, const GLint *values);
      Error clearBufferfi(Context *context,
                          GLenum buffer,
                          GLint drawbuffer,
                          GLfloat depth,
                          GLint stencil);
  
      GLenum getImplementationColorReadFormat() const;
      GLenum getImplementationColorReadType() const;
      Error readPixels(Context *context,
                       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 detachResourceById(GLenum resourceType, GLuint resourceId);
  
      Data mData;
      rx::FramebufferImpl *mImpl;
      GLuint mId;
  };
  
  }
  
  #endif   // LIBANGLE_FRAMEBUFFER_H_
  

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