kc3-lang/angle/src/libANGLE/renderer/d3d/FramebufferD3D.h

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• Hash : d4874cb3
  Author :
  Date : 2020-06-25T10:49:32
  

  Reformat Framebuffer::readPixels
  
  Reformat Framebuffer::readPixels and its overriding methods
  to the following method signature
  
  angle::Result readPixels(const Context *context,
                           const Rectangle &area,
                           GLenum format,
                           GLenum type,
                           const PixelPackState &pack,
                           Buffer *packBuffer
                           void *pixels);
  
  This will allow capture replay tool to use its own PixelPackState
  to read pixels from framebuffer without having to set the global states
  
  Bug: angleproject:4787
  Change-Id: Idc64179d8e8f6b5163ef0747f239cd5172a2491b
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2267417
  Commit-Queue: Manh Nguyen <nguyenmh@google.com>
  Reviewed-by: Cody Northrop <cnorthrop@google.com>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/d3d/FramebufferD3D.h

• //
  // Copyright 2014 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.
  //
  
  // FramebufferD3D.h: Defines the DefaultAttachmentD3D and FramebufferD3D classes.
  
  #ifndef LIBANGLE_RENDERER_D3D_FRAMBUFFERD3D_H_
  #define LIBANGLE_RENDERER_D3D_FRAMBUFFERD3D_H_
  
  #include <cstdint>
  #include <vector>
  
  #include "common/Color.h"
  #include "common/Optional.h"
  #include "libANGLE/angletypes.h"
  #include "libANGLE/renderer/FramebufferImpl.h"
  
  namespace gl
  {
  class FramebufferAttachment;
  struct PixelPackState;
  
  typedef std::vector<const FramebufferAttachment *> AttachmentList;
  }  // namespace gl
  
  namespace rx
  {
  class RendererD3D;
  class RenderTargetD3D;
  
  struct ClearParameters
  {
      ClearParameters();
      ClearParameters(const ClearParameters &other);
  
      gl::DrawBufferMask clearColor;
      gl::ColorF colorF;
      gl::ColorI colorI;
      gl::ColorUI colorUI;
      GLenum colorType;
      gl::BlendStateExt::ColorMaskStorage::Type colorMask;
  
      bool clearDepth;
      float depthValue;
  
      bool clearStencil;
      GLint stencilValue;
      GLuint stencilWriteMask;
  
      bool scissorEnabled;
      gl::Rectangle scissor;
  };
  
  class FramebufferD3D : public FramebufferImpl
  {
    public:
      FramebufferD3D(const gl::FramebufferState &data, RendererD3D *renderer);
      ~FramebufferD3D() override;
  
      angle::Result clear(const gl::Context *context, GLbitfield mask) override;
      angle::Result clearBufferfv(const gl::Context *context,
                                  GLenum buffer,
                                  GLint drawbuffer,
                                  const GLfloat *values) override;
      angle::Result clearBufferuiv(const gl::Context *context,
                                   GLenum buffer,
                                   GLint drawbuffer,
                                   const GLuint *values) override;
      angle::Result clearBufferiv(const gl::Context *context,
                                  GLenum buffer,
                                  GLint drawbuffer,
                                  const GLint *values) override;
      angle::Result clearBufferfi(const gl::Context *context,
                                  GLenum buffer,
                                  GLint drawbuffer,
                                  GLfloat depth,
                                  GLint stencil) override;
  
      angle::Result readPixels(const gl::Context *context,
                               const gl::Rectangle &area,
                               GLenum format,
                               GLenum type,
                               const gl::PixelPackState &pack,
                               gl::Buffer *packBuffer,
                               void *pixels) override;
  
      angle::Result blit(const gl::Context *context,
                         const gl::Rectangle &sourceArea,
                         const gl::Rectangle &destArea,
                         GLbitfield mask,
                         GLenum filter) override;
  
      bool checkStatus(const gl::Context *context) const override;
  
      angle::Result syncState(const gl::Context *context,
                              GLenum binding,
                              const gl::Framebuffer::DirtyBits &dirtyBits) override;
  
      const gl::AttachmentList &getColorAttachmentsForRender(const gl::Context *context);
  
      const gl::DrawBufferMask getLastColorAttachmentsForRenderMask() const
      {
          return mColorAttachmentsForRenderMask;
      }
  
      void destroy(const gl::Context *context) override;
  
    private:
      virtual angle::Result clearImpl(const gl::Context *context,
                                      const ClearParameters &clearParams) = 0;
  
      virtual angle::Result readPixelsImpl(const gl::Context *context,
                                           const gl::Rectangle &area,
                                           GLenum format,
                                           GLenum type,
                                           size_t outputPitch,
                                           const gl::PixelPackState &pack,
                                           gl::Buffer *packBuffer,
                                           uint8_t *pixels) = 0;
  
      virtual angle::Result blitImpl(const gl::Context *context,
                                     const gl::Rectangle &sourceArea,
                                     const gl::Rectangle &destArea,
                                     const gl::Rectangle *scissor,
                                     bool blitRenderTarget,
                                     bool blitDepth,
                                     bool blitStencil,
                                     GLenum filter,
                                     const gl::Framebuffer *sourceFramebuffer) = 0;
  
      RendererD3D *mRenderer;
      Optional<gl::AttachmentList> mColorAttachmentsForRender;
      gl::DrawBufferMask mCurrentActiveProgramOutputs;
      gl::DrawBufferMask mColorAttachmentsForRenderMask;
  
      gl::FramebufferAttachment mDummyAttachment;
  };
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_D3D_FRAMBUFFERD3D_H_
  

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