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

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  Commit

• Author : Austin Kinross
  Date : 2015-05-05 13:35:47
  Hash : 08332634
  Message : Implement EXT_discard_framebuffer in D3D11 renderer Change-Id: I52bcf0cfb1aa123e085a35730fdefb006b617c3c Reviewed-on: https://chromium-review.googlesource.com/269232 Tested-by: Austin Kinross <aukinros@microsoft.com> Reviewed-by: Geoff Lang <geofflang@chromium.org>

• 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 <vector>
  #include <cstdint>
  
  #include "libANGLE/angletypes.h"
  #include "libANGLE/renderer/FramebufferImpl.h"
  
  namespace gl
  {
  class FramebufferAttachment;
  struct PixelPackState;
  
  typedef std::vector<const FramebufferAttachment *> AttachmentList;
  
  }
  
  namespace rx
  {
  class RenderTargetD3D;
  class RendererD3D;
  
  struct ClearParameters
  {
      bool clearColor[gl::IMPLEMENTATION_MAX_DRAW_BUFFERS];
      gl::ColorF colorFClearValue;
      gl::ColorI colorIClearValue;
      gl::ColorUI colorUIClearValue;
      GLenum colorClearType;
      bool colorMaskRed;
      bool colorMaskGreen;
      bool colorMaskBlue;
      bool colorMaskAlpha;
  
      bool clearDepth;
      float depthClearValue;
  
      bool clearStencil;
      GLint stencilClearValue;
      GLuint stencilWriteMask;
  
      bool scissorEnabled;
      gl::Rectangle scissor;
  };
  
  class FramebufferD3D : public FramebufferImpl
  {
    public:
      FramebufferD3D(const gl::Framebuffer::Data &data, RendererD3D *renderer);
      virtual ~FramebufferD3D();
  
      void onUpdateColorAttachment(size_t index) override;
      void onUpdateDepthAttachment() override;
      void onUpdateStencilAttachment() override;
      void onUpdateDepthStencilAttachment() override;
  
      void setDrawBuffers(size_t count, const GLenum *buffers) override;
      void setReadBuffer(GLenum buffer) override;
  
      gl::Error clear(const gl::Data &data, GLbitfield mask) override;
      gl::Error clearBufferfv(const gl::State &state, GLenum buffer, GLint drawbuffer, const GLfloat *values) override;
      gl::Error clearBufferuiv(const gl::State &state, GLenum buffer, GLint drawbuffer, const GLuint *values) override;
      gl::Error clearBufferiv(const gl::State &state, GLenum buffer, GLint drawbuffer, const GLint *values) override;
      gl::Error clearBufferfi(const gl::State &state, GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil) override;
  
      GLenum getImplementationColorReadFormat() const override;
      GLenum getImplementationColorReadType() const override;
      gl::Error readPixels(const gl::State &state, const gl::Rectangle &area, GLenum format, GLenum type, GLvoid *pixels) const override;
  
      gl::Error blit(const gl::State &state, const gl::Rectangle &sourceArea, const gl::Rectangle &destArea,
                     GLbitfield mask, GLenum filter, const gl::Framebuffer *sourceFramebuffer) override;
  
      GLenum checkStatus() const override;
  
      const gl::AttachmentList &getColorAttachmentsForRender(const Workarounds &workarounds) const;
  
    protected:
      // Cache variable
      mutable gl::AttachmentList mColorAttachmentsForRender;
      mutable bool mInvalidateColorAttachmentCache;
  
    private:
      RendererD3D *const mRenderer;
  
      virtual gl::Error clear(const gl::State &state, const ClearParameters &clearParams) = 0;
  
      virtual gl::Error readPixels(const gl::Rectangle &area, GLenum format, GLenum type, size_t outputPitch,
                                   const gl::PixelPackState &pack, uint8_t *pixels) const = 0;
  
      virtual gl::Error blit(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;
  
      virtual GLenum getRenderTargetImplementationFormat(RenderTargetD3D *renderTarget) const = 0;
  };
  
  unsigned int GetAttachmentSerial(const gl::FramebufferAttachment *attachment);
  
  }
  
  #endif // LIBANGLE_RENDERER_D3D_FRAMBUFFERD3D_H_