kc3-lang/angle/src/libANGLE/renderer/d3d/d3d11/formatutils11.h

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• Hash : 4d3a0f60
  Author :
  Date : 2020-09-11T12:36:05
  

  GN: Componentize D3D format tables.
  
  These tables are used by both the GL and D3D11 back-ends. Also moves
  them to renderer_utils to be in a shared place.
  
  Bug: angleproject:3943
  Change-Id: I1f5d79842396a87e795547fa03c6855d6f9c5e9a
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2405805
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Jonah Ryan-Davis <jonahr@google.com>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/d3d/d3d11/formatutils11.h

• //
  // Copyright 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.
  //
  
  // formatutils11.h: Queries for GL image formats and their translations to D3D11
  // formats.
  
  #ifndef LIBANGLE_RENDERER_D3D_D3D11_FORMATUTILS11_H_
  #define LIBANGLE_RENDERER_D3D_D3D11_FORMATUTILS11_H_
  
  #include <map>
  
  #include "common/platform.h"
  #include "libANGLE/angletypes.h"
  #include "libANGLE/formatutils.h"
  #include "libANGLE/renderer/copyvertex.h"
  #include "libANGLE/renderer/d3d/formatutilsD3D.h"
  #include "libANGLE/renderer/dxgi_format_map.h"
  #include "libANGLE/renderer/renderer_utils.h"
  
  namespace rx
  {
  struct Renderer11DeviceCaps;
  
  namespace d3d11
  {
  
  // A texture might be stored as DXGI_FORMAT_R16_TYPELESS but store integer components,
  // which are accessed through an DXGI_FORMAT_R16_SINT view. It's easy to write code which queries
  // information about the wrong format. Therefore, use of this should be avoided where possible.
  
  bool SupportsMipGen(DXGI_FORMAT dxgiFormat, D3D_FEATURE_LEVEL featureLevel);
  
  struct DXGIFormatSize
  {
      DXGIFormatSize(GLuint pixelBits, GLuint blockWidth, GLuint blockHeight);
  
      GLuint pixelBytes;
      GLuint blockWidth;
      GLuint blockHeight;
  };
  const DXGIFormatSize &GetDXGIFormatSizeInfo(DXGI_FORMAT format);
  
  struct VertexFormat : private angle::NonCopyable
  {
      constexpr VertexFormat();
      constexpr VertexFormat(VertexConversionType conversionType,
                             DXGI_FORMAT nativeFormat,
                             VertexCopyFunction copyFunction);
  
      VertexConversionType conversionType;
      DXGI_FORMAT nativeFormat;
      VertexCopyFunction copyFunction;
  };
  
  const VertexFormat &GetVertexFormatInfo(angle::FormatID vertexFormatID,
                                          D3D_FEATURE_LEVEL featureLevel);
  }  // namespace d3d11
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_D3D_D3D11_FORMATUTILS11_H_
  

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