kc3-lang/angle/src/libGLESv2/renderer/Blit11.h

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• Hash : 975af378
  Author :
  Date : 2013-06-12T11:19:22
  

  Blit11 can now blit depth stencils.
  
  TRAC #23321
  
  Signed-off-by: Jamie Madill
  Signed-off-by: Shannon Woods
  Author: Geoff Lang
  

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• src/libGLESv2/renderer/Blit11.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.
  //
  
  // Blit11.cpp: Texture copy utility class.
  
  #ifndef LIBGLESV2_BLIT11_H_
  #define LIBGLESV2_BLIT11_H_
  
  #include "common/angleutils.h"
  #include "libGLESv2/angletypes.h"
  
  namespace rx
  {
  class Renderer11;
  
  enum Filter
  {
      Point,
      Linear,
  };
  
  class Blit11
  {
    public:
      explicit Blit11(Renderer11 *renderer);
      ~Blit11();
  
      bool copyTexture(ID3D11ShaderResourceView *source, const gl::Box &sourceArea, const gl::Extents &sourceSize,
                       ID3D11RenderTargetView *dest, const gl::Box &destArea, const gl::Extents &destSize,
                       GLenum destFormat, GLenum filter);
  
      bool copyStencil(ID3D11Resource *source, unsigned int sourceSubresource, const gl::Box &sourceArea, const gl::Extents &sourceSize,
                       ID3D11Resource *dest, unsigned int destSubresource, const gl::Box &destArea, const gl::Extents &destSize);
  
      bool copyDepth(ID3D11ShaderResourceView *source, const gl::Box &sourceArea, const gl::Extents &sourceSize,
                     ID3D11DepthStencilView *dest, const gl::Box &destArea, const gl::Extents &destSize);
  
      bool copyDepthStencil(ID3D11Resource *source, unsigned int sourceSubresource, const gl::Box &sourceArea, const gl::Extents &sourceSize,
                            ID3D11Resource *dest, unsigned int destSubresource, const gl::Box &destArea, const gl::Extents &destSize);
  
    private:
      rx::Renderer11 *mRenderer;
  
      struct BlitParameters
      {
          GLenum mDestinationFormat;
          bool mSignedInteger;
          bool m3DBlit;
      };
  
      bool copyDepthStencil(ID3D11Resource *source, unsigned int sourceSubresource, const gl::Box &sourceArea, const gl::Extents &sourceSize,
                            ID3D11Resource *dest, unsigned int destSubresource, const gl::Box &destArea, const gl::Extents &destSize,
                            bool stencilOnly);
  
      static bool compareBlitParameters(const BlitParameters &a, const BlitParameters &b);
  
      typedef void (*WriteVertexFunction)(const gl::Box &sourceArea, const gl::Extents &sourceSize,
                                          const gl::Box &destArea, const gl::Extents &destSize,
                                          void *outVertices, unsigned int *outStride, unsigned int *outVertexCount,
                                          D3D11_PRIMITIVE_TOPOLOGY *outTopology);
  
      struct BlitShader
      {
          WriteVertexFunction mVertexWriteFunction;
          ID3D11InputLayout *mInputLayout;
          ID3D11VertexShader *mVertexShader;
          ID3D11GeometryShader *mGeometryShader;
          ID3D11PixelShader *mPixelShader;
      };
  
      typedef bool (*BlitParametersComparisonFunction)(const BlitParameters&, const BlitParameters &);
      typedef std::map<BlitParameters, BlitShader, BlitParametersComparisonFunction> BlitShaderMap;
      BlitShaderMap mShaderMap;
  
      void add2DShaderToMap(GLenum destFormat, bool signedInteger, ID3D11PixelShader *ps);
      void add3DShaderToMap(GLenum destFormat, bool signedInteger, ID3D11PixelShader *ps);
  
      void buildShaderMap();
      void clearShaderMap();
  
      ID3D11Buffer *mVertexBuffer;
      ID3D11SamplerState *mPointSampler;
      ID3D11SamplerState *mLinearSampler;
      ID3D11RasterizerState *mRasterizerState;
      ID3D11DepthStencilState *mDepthStencilState;
  
      ID3D11InputLayout *mQuad2DIL;
      ID3D11VertexShader *mQuad2DVS;
      ID3D11PixelShader *mDepthPS;
  
      ID3D11InputLayout *mQuad3DIL;
      ID3D11VertexShader *mQuad3DVS;
      ID3D11GeometryShader *mQuad3DGS;
  
      DISALLOW_COPY_AND_ASSIGN(Blit11);
  };
  }
  
  #endif   // LIBGLESV2_BLIT11_H_
  

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