kc3-lang/angle/src/libANGLE/renderer/d3d/d3d11/texture_format_table.h

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• Hash : 1a4523f3
  Author :
  Date : 2016-03-18T15:33:55
  

  Avoid copying of texture format info structures
  
  Use const pointers to the statically allocated structures instead of
  copying them in TextureStorage11. This avoids the cost of copying and
  saves a little bit of memory.
  
  BUG=angleproject:1244
  TEST=angle_end2end_tests
  
  Change-Id: Ib59fddd68ba9bc53e491d55683416c0661f26e0e
  Reviewed-on: https://chromium-review.googlesource.com/333930
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Commit-Queue: Olli Etuaho <oetuaho@nvidia.com>
  

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• src/libANGLE/renderer/d3d/d3d11/texture_format_table.h

• //
  // Copyright 2015 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.
  //
  // texture_format_table:
  //   Queries for full textureFormat information based on internalFormat
  //
  
  #ifndef LIBANGLE_RENDERER_D3D_D3D11_TEXTUREFORMATTABLE_H_
  #define LIBANGLE_RENDERER_D3D_D3D11_TEXTUREFORMATTABLE_H_
  
  #include <map>
  
  #include "common/angleutils.h"
  #include "common/platform.h"
  #include "libANGLE/renderer/d3d/formatutilsD3D.h"
  #include "libANGLE/renderer/d3d/d3d11/texture_format_table_autogen.h"
  
  namespace rx
  {
  
  struct Renderer11DeviceCaps;
  
  namespace d3d11
  {
  
  struct LoadImageFunctionInfo
  {
      LoadImageFunctionInfo() : loadFunction(nullptr), requiresConversion(false) {}
      LoadImageFunctionInfo(LoadImageFunction loadFunction, bool requiresConversion)
          : loadFunction(loadFunction), requiresConversion(requiresConversion)
      {
      }
  
      LoadImageFunction loadFunction;
      bool requiresConversion;
  };
  
  struct ANGLEFormatSet
  {
      ANGLEFormatSet();
      ANGLEFormatSet(ANGLEFormat format,
                     GLenum glInternalFormat,
                     DXGI_FORMAT texFormat,
                     DXGI_FORMAT srvFormat,
                     DXGI_FORMAT rtvFormat,
                     DXGI_FORMAT dsvFormat,
                     DXGI_FORMAT blitSRVFormat,
                     ANGLEFormat swizzleFormat,
                     MipGenerationFunction mipGenerationFunction,
                     ColorReadFunction colorReadFunction);
      ANGLEFormatSet(const ANGLEFormatSet &) = default;
      ANGLEFormatSet &operator=(const ANGLEFormatSet &) = default;
  
      ANGLEFormat format;
  
      // The closest matching GL internal format for the DXGI formats this format uses. Note that this
      // may be a different internal format than the one this ANGLE format is used for.
      GLenum glInternalFormat;
  
      DXGI_FORMAT texFormat;
      DXGI_FORMAT srvFormat;
      DXGI_FORMAT rtvFormat;
      DXGI_FORMAT dsvFormat;
  
      DXGI_FORMAT blitSRVFormat;
  
      ANGLEFormat swizzleFormat;
  
      MipGenerationFunction mipGenerationFunction;
      ColorReadFunction colorReadFunction;
  };
  
  struct TextureFormat : public angle::NonCopyable
  {
      TextureFormat(GLenum internalFormat,
                    const ANGLEFormat angleFormat,
                    InitializeTextureDataFunction internalFormatInitializer);
  
      const ANGLEFormatSet *formatSet;
      const ANGLEFormatSet *swizzleFormatSet;
  
      InitializeTextureDataFunction dataInitializerFunction;
      typedef std::map<GLenum, LoadImageFunctionInfo> LoadFunctionMap;
  
      LoadFunctionMap loadFunctions;
  };
  
  const ANGLEFormatSet &GetANGLEFormatSet(ANGLEFormat angleFormat);
  
  const TextureFormat &GetTextureFormatInfo(GLenum internalformat,
                                            const Renderer11DeviceCaps &renderer11DeviceCaps);
  
  }  // namespace d3d11
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_D3D_D3D11_TEXTUREFORMATTABLE_H_
  

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