kc3-lang/angle/src/libANGLE/renderer/d3d_format.cpp

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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_format.cpp

• //
  // Copyright 2020 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.
  //
  // d3d_format: Describes a D3D9 format. Used by the D3D9 and GL back-ends.
  
  #include "libANGLE/renderer/d3d_format.h"
  
  using namespace angle;
  
  namespace rx
  {
  namespace d3d9
  {
  namespace
  {
  constexpr D3DFORMAT D3DFMT_INTZ = ((D3DFORMAT)(MAKEFOURCC('I', 'N', 'T', 'Z')));
  constexpr D3DFORMAT D3DFMT_NULL = ((D3DFORMAT)(MAKEFOURCC('N', 'U', 'L', 'L')));
  }  // anonymous namespace
  
  D3DFormat::D3DFormat()
      : pixelBytes(0),
        blockWidth(0),
        blockHeight(0),
        redBits(0),
        greenBits(0),
        blueBits(0),
        alphaBits(0),
        luminanceBits(0),
        depthBits(0),
        stencilBits(0),
        formatID(angle::FormatID::NONE)
  {}
  
  D3DFormat::D3DFormat(GLuint bits,
                       GLuint blockWidth,
                       GLuint blockHeight,
                       GLuint redBits,
                       GLuint greenBits,
                       GLuint blueBits,
                       GLuint alphaBits,
                       GLuint lumBits,
                       GLuint depthBits,
                       GLuint stencilBits,
                       FormatID formatID)
      : pixelBytes(bits / 8),
        blockWidth(blockWidth),
        blockHeight(blockHeight),
        redBits(redBits),
        greenBits(greenBits),
        blueBits(blueBits),
        alphaBits(alphaBits),
        luminanceBits(lumBits),
        depthBits(depthBits),
        stencilBits(stencilBits),
        formatID(formatID)
  {}
  
  const D3DFormat &GetD3DFormatInfo(D3DFORMAT format)
  {
      if (format == D3DFMT_NULL)
      {
          static const D3DFormat info(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, FormatID::NONE);
          return info;
      }
  
      if (format == D3DFMT_INTZ)
      {
          static const D3DFormat info(32, 1, 1, 0, 0, 0, 0, 0, 24, 8, FormatID::D24_UNORM_S8_UINT);
          return info;
      }
  
      switch (format)
      {
          case D3DFMT_UNKNOWN:
          {
              static const D3DFormat info(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, FormatID::NONE);
              return info;
          }
  
          case D3DFMT_L8:
          {
              static const D3DFormat info(8, 1, 1, 0, 0, 0, 0, 8, 0, 0, FormatID::L8_UNORM);
              return info;
          }
          case D3DFMT_A8:
          {
              static const D3DFormat info(8, 1, 1, 0, 0, 0, 8, 0, 0, 0, FormatID::A8_UNORM);
              return info;
          }
          case D3DFMT_A8L8:
          {
              static const D3DFormat info(16, 1, 1, 0, 0, 0, 8, 8, 0, 0, FormatID::L8A8_UNORM);
              return info;
          }
  
          case D3DFMT_A4R4G4B4:
          {
              static const D3DFormat info(16, 1, 1, 4, 4, 4, 4, 0, 0, 0, FormatID::B4G4R4A4_UNORM);
              return info;
          }
          case D3DFMT_A1R5G5B5:
          {
              static const D3DFormat info(16, 1, 1, 5, 5, 5, 1, 0, 0, 0, FormatID::B5G5R5A1_UNORM);
              return info;
          }
          case D3DFMT_R5G6B5:
          {
              static const D3DFormat info(16, 1, 1, 5, 6, 5, 0, 0, 0, 0, FormatID::R5G6B5_UNORM);
              return info;
          }
          case D3DFMT_X8R8G8B8:
          {
              static const D3DFormat info(32, 1, 1, 8, 8, 8, 0, 0, 0, 0, FormatID::B8G8R8X8_UNORM);
              return info;
          }
          case D3DFMT_A8R8G8B8:
          {
              static const D3DFormat info(32, 1, 1, 8, 8, 8, 8, 0, 0, 0, FormatID::B8G8R8A8_UNORM);
              return info;
          }
  
          case D3DFMT_R16F:
          {
              static const D3DFormat info(16, 1, 1, 16, 0, 0, 0, 0, 0, 0, FormatID::R16_FLOAT);
              return info;
          }
          case D3DFMT_G16R16F:
          {
              static const D3DFormat info(32, 1, 1, 16, 16, 0, 0, 0, 0, 0, FormatID::R16G16_FLOAT);
              return info;
          }
          case D3DFMT_A16B16G16R16F:
          {
              static const D3DFormat info(64, 1, 1, 16, 16, 16, 16, 0, 0, 0,
                                          FormatID::R16G16B16A16_FLOAT);
              return info;
          }
          case D3DFMT_R32F:
          {
              static const D3DFormat info(32, 1, 1, 32, 0, 0, 0, 0, 0, 0, FormatID::R32_FLOAT);
              return info;
          }
          case D3DFMT_G32R32F:
          {
              static const D3DFormat info(64, 1, 1, 32, 32, 0, 0, 0, 0, 0, FormatID::R32G32_FLOAT);
              return info;
          }
          case D3DFMT_A32B32G32R32F:
          {
              static const D3DFormat info(128, 1, 1, 32, 32, 32, 32, 0, 0, 0,
                                          FormatID::R32G32B32A32_FLOAT);
              return info;
          }
  
          case D3DFMT_D16:
          {
              static const D3DFormat info(16, 1, 1, 0, 0, 0, 0, 0, 16, 0, FormatID::D16_UNORM);
              return info;
          }
          case D3DFMT_D24S8:
          {
              static const D3DFormat info(32, 1, 1, 0, 0, 0, 0, 0, 24, 8,
                                          FormatID::D24_UNORM_S8_UINT);
              return info;
          }
          case D3DFMT_D24X8:
          {
              static const D3DFormat info(32, 1, 1, 0, 0, 0, 0, 0, 24, 0, FormatID::D16_UNORM);
              return info;
          }
          case D3DFMT_D32:
          {
              static const D3DFormat info(32, 1, 1, 0, 0, 0, 0, 0, 32, 0, FormatID::D32_UNORM);
              return info;
          }
  
          case D3DFMT_DXT1:
          {
              static const D3DFormat info(64, 4, 4, 0, 0, 0, 0, 0, 0, 0,
                                          FormatID::BC1_RGBA_UNORM_BLOCK);
              return info;
          }
          case D3DFMT_DXT3:
          {
              static const D3DFormat info(128, 4, 4, 0, 0, 0, 0, 0, 0, 0,
                                          FormatID::BC2_RGBA_UNORM_BLOCK);
              return info;
          }
          case D3DFMT_DXT5:
          {
              static const D3DFormat info(128, 4, 4, 0, 0, 0, 0, 0, 0, 0,
                                          FormatID::BC3_RGBA_UNORM_BLOCK);
              return info;
          }
  
          default:
          {
              static const D3DFormat defaultInfo;
              return defaultInfo;
          }
      }
  }
  }  // namespace d3d9
  }  // namespace rx
  

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