kc3-lang/angle/src/libGLESv2/renderer/Clear11.h

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• Hash : da507fea
  Author :
  Date : 2013-08-20T12:01:42
  

  Refactored the ClearParameters type and moved Renderer11's clear logic into a Clear11 helper class.
  
  TRAC #23475
  
  Author: Geoff Lang
  Signed-off-by: Jamie Madill
  Signed-off-by: Shannon Woods
  

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• src/libGLESv2/renderer/Clear11.h

• //
  // Copyright (c) 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.
  //
  
  // Clear11.h: Framebuffer clear utility class.
  
  #ifndef LIBGLESV2_RENDERER_CLEAR11_H_
  #define LIBGLESV2_RENDERER_CLEAR11_H_
  
  #include "libGLESv2/angletypes.h"
  
  namespace gl
  {
  class Framebuffer;
  }
  
  namespace rx
  {
  class Renderer11;
  
  class Clear11
  {
    public:
      explicit Clear11(Renderer11 *renderer);
      ~Clear11();
  
      // Clears the framebuffer with the supplied clear parameters, assumes that the framebuffer is currently applied.
      void clearFramebuffer(const gl::ClearParameters &clearParams, gl::Framebuffer *frameBuffer);
  
    private:
      Renderer11 *mRenderer;
  
      struct ClearBlendInfo
      {
          bool maskRed;
          bool maskGreen;
          bool maskBlue;
          bool maskAlpha;
      };
      typedef bool (*ClearBlendInfoComparisonFunction)(const ClearBlendInfo&, const ClearBlendInfo &);
      typedef std::map<ClearBlendInfo, ID3D11BlendState*, ClearBlendInfoComparisonFunction> ClearBlendStateMap;
      ClearBlendStateMap mClearBlendStates;
  
      ID3D11BlendState *getBlendState(const gl::ClearParameters &clearParams);
  
      struct ClearShader
      {
          ID3D11InputLayout *inputLayout;
          ID3D11VertexShader *vertexShader;
          ID3D11PixelShader *pixelShader;
      };
      ClearShader mFloatClearShader;
      ClearShader mUintClearShader;
      ClearShader mIntClearShader;
  
      template <unsigned int vsSize, unsigned int psSize>
      static ClearShader CreateClearShader(ID3D11Device *device, DXGI_FORMAT colorType, const BYTE (&vsByteCode)[vsSize], const BYTE (&psByteCode)[psSize]);
  
      struct ClearDepthStencilInfo
      {
          bool clearDepth;
          bool clearStencil;
          UINT8 stencilWriteMask;
      };
      typedef bool (*ClearDepthStencilInfoComparisonFunction)(const ClearDepthStencilInfo&, const ClearDepthStencilInfo &);
      typedef std::map<ClearDepthStencilInfo, ID3D11DepthStencilState*, ClearDepthStencilInfoComparisonFunction> ClearDepthStencilStateMap;
      ClearDepthStencilStateMap mClearDepthStencilStates;
  
      ID3D11DepthStencilState *getDepthStencilState(const gl::ClearParameters &clearParams);
  
      ID3D11Buffer *mVertexBuffer;
      ID3D11RasterizerState *mRasterizerState;
  };
  
  }
  
  #endif // LIBGLESV2_RENDERER_CLEAR11_H_
  

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