kc3-lang/angle/src/libANGLE/renderer/Format.h

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• Hash : 30712068
  Author :
  Date : 2016-08-09T11:10:36
  

  Move fast copy functions into angle::Format.
  
  These tables were duplicated in D3D11 and D3D9, and would have to be
  further duplicated into Vulkan.
  
  BUG=angleproject:1455
  
  Change-Id: Ice1b81417d7b14f933b61861c4a9997c260ef72e
  Reviewed-on: https://chromium-review.googlesource.com/367690
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/Format.h

• //
  // Copyright 2016 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.
  //
  // Format:
  //   A universal description of typed GPU storage. Across multiple
  //   renderer back-ends, there are common formats and some distinct
  //   permutations, this enum encapsulates them all. Formats apply to
  //   textures, but could also apply to any typed data.
  
  #ifndef LIBANGLE_RENDERER_FORMAT_H_
  #define LIBANGLE_RENDERER_FORMAT_H_
  
  #include "libANGLE/formatutils.h"
  #include "libANGLE/renderer/renderer_utils.h"
  
  namespace angle
  {
  
  struct Format final : angle::NonCopyable
  {
      enum class ID;
  
      Format(ID id,
             GLenum glFormat,
             GLenum fboFormat,
             rx::MipGenerationFunction mipGen,
             rx::ColorReadFunction colorRead);
  
      static const Format &Get(ID id);
  
      ID id;
  
      // The closest matching GL internal format for the storage this format uses. Note that this
      // may be a different internal format than the one this ANGLE format is used for.
      GLenum glInternalFormat;
  
      // The format we should report to the GL layer when querying implementation formats from a FBO.
      // This might not be the same as the glInternalFormat, since some DXGI formats don't have
      // matching GL format enums, like BGRA4, BGR5A1 and B5G6R6.
      GLenum fboImplementationInternalFormat;
  
      rx::MipGenerationFunction mipGenerationFunction;
      rx::ColorReadFunction colorReadFunction;
  
      // A map from a gl::FormatType to a fast pixel copy function for this format.
      rx::FastCopyFunctionMap fastCopyFunctions;
  };
  
  }  // namespace angle
  
  #include "libANGLE/renderer/Format_ID_autogen.inl"
  
  #endif  // LIBANGLE_RENDERER_FORMAT_H_
  

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