kc3-lang/angle/src/libANGLE/renderer/angle_format_data.json

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• Hash : 3ecaa283
  Author :
  Date : 2020-05-22T13:52:41
  

  Fix validation of PVRTC compressed texture sizes.
  
  The PVRTC format, as pointed out by Le Hoang Quyen and Geoff Lang,
  uses 4x4 or 8x4 blocks, but due to sampling from adjacent blocks,
  requires a minimum size of 2x2 blocks per the OpenGL extension:
  https://www.khronos.org/registry/OpenGL/extensions/IMG/IMG_texture_compression_pvrtc.txt
  . Thanks to Quyen and Geoff for pointing out the intricacies.
  
  Add a helper function to formatutils.cpp which returns the minimum
  number of blocks (width and height) for a given compressed texture
  format, and incorporate this into the compressed texture size
  computation.
  
  This patch makes WebKit on ANGLE pass WebGL's PVRTC compressed texture
  test on iOS hardware.
  
  Bug: angleproject:4652
  No-Presubmit: True
  Change-Id: I1046a091321b7948d712d16686ee0cb8795b8c99
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2213676
  Commit-Queue: Kenneth Russell <kbr@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/angle_format_data.json

• {
    "B5G6R5_UNORM": {
      "fboImplementationInternalFormat": "GL_RGB565"
    },
    "B5G5R5A1_UNORM": {
      "fboImplementationInternalFormat": "GL_RGB5_A1",
      "channelStruct": "A1R5G5B5"
    },
    "B8G8R8X8_UNORM": {
      "glInternalFormat": "GL_BGRA8_EXT",
      "channelStruct": "B8G8R8X8"
    },
    "R9G9B9E5_SHAREDEXP": {
      "componentType":  "float",
      "channelStruct":  "R9G9B9E5"
    },
    "B4G4R4A4_UNORM": {
      "fboImplementationInternalFormat": "GL_RGBA4",
      "channelStruct":  "A4R4G4B4"
    },
    "R8G8B8A8_UNORM_SRGB": {
      "channelStruct":  "R8G8B8A8SRGB"
    },
    "R8G8B8A8_TYPELESS": {
      "glInternalFormat": "GL_RGBA8"
    },
    "R8G8B8A8_TYPELESS_SRGB": {
      "glInternalFormat": "GL_SRGB8_ALPHA8"
    },
    "B8G8R8A8_TYPELESS": {
      "glInternalFormat": "GL_BGRA8_EXT"
    },
    "B8G8R8A8_TYPELESS_SRGB": {
      "glInternalFormat": "GL_BGRA8_SRGB_ANGLEX"
    },
    "ASTC_4x4_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_4x4_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_5x4_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_5x4_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_5x5_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_5x5_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_6x5_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_6x5_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_6x6_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_6x6_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_8x5_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_8x5_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_8x6_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_8x6_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_8x8_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_8x8_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_10x5_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_10x5_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_10x6_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_10x6_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_10x8_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_10x8_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_10x10_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_10x10_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_12x10_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_12x10_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_12x12_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_12x12_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_3x3x3_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_4x3x3_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_4x4x3_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_4x4x4_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_5x4x4_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_5x5x4_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_5x5x5_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_6x5x5_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_6x6x5_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_6x6x6_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_3x3x3_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_4x3x3_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_4x4x3_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_4x4x4_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_5x4x4_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_5x5x4_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_5x5x5_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_6x5x5_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_6x6x5_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ASTC_6x6x6_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "BC1_RGB_UNORM_BLOCK": {
      "blockPixelBytes": "8"
    },
    "BC1_RGBA_UNORM_BLOCK": {
      "blockPixelBytes": "8"
    },
    "BC1_RGBA_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "8"
    },
    "BC1_RGB_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "8"
    },
    "BC2_RGBA_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "BC2_RGBA_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "BC3_RGBA_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "BC3_RGBA_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "BC4_RED_UNORM_BLOCK": {
      "blockPixelBytes": "8"
    },
    "BC4_RED_SNORM_BLOCK": {
      "blockPixelBytes": "8"
    },
    "BC5_RG_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "BC5_RG_SNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "BPTC_SRGB_ALPHA_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "BPTC_RGB_SIGNED_FLOAT_BLOCK": {
      "blockPixelBytes": "16"
    },
    "BPTC_RGB_UNSIGNED_FLOAT_BLOCK": {
      "blockPixelBytes": "16"
    },
    "BPTC_RGBA_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "EAC_R11_SNORM_BLOCK": {
      "blockPixelBytes": "8"
    },
    "EAC_R11_UNORM_BLOCK": {
      "blockPixelBytes": "8"
    },
    "EAC_R11G11_SNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "EAC_R11G11_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ETC1_R8G8B8_UNORM_BLOCK": {
      "blockPixelBytes": "8"
    },
    "ETC1_LOSSY_DECODE_R8G8B8_UNORM_BLOCK": {
      "blockPixelBytes": "8"
    },
    "ETC2_R8G8B8_SRGB_BLOCK": {
      "blockPixelBytes": "8"
    },
    "ETC2_R8G8B8_UNORM_BLOCK": {
      "blockPixelBytes": "8"
    },
    "ETC2_R8G8B8A1_SRGB_BLOCK": {
      "blockPixelBytes": "8"
    },
    "ETC2_R8G8B8A1_UNORM_BLOCK": {
      "blockPixelBytes": "8"
    },
    "ETC2_R8G8B8A8_UNORM_BLOCK": {
      "blockPixelBytes": "16"
    },
    "ETC2_R8G8B8A8_SRGB_BLOCK": {
      "blockPixelBytes": "16"
    },
    "PVRTC1_RGB_4BPP_UNORM_BLOCK": {
      "blockPixelBytes": "8"
    },
    "PVRTC1_RGB_2BPP_UNORM_BLOCK": {
      "blockPixelBytes": "8"
    },
    "PVRTC1_RGBA_4BPP_UNORM_BLOCK": {
      "blockPixelBytes": "8"
    },
    "PVRTC1_RGBA_2BPP_UNORM_BLOCK": {
      "blockPixelBytes": "8"
    },
    "PVRTC1_RGB_2BPP_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "8"
    },
    "PVRTC1_RGB_4BPP_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "8"
    },
    "PVRTC1_RGBA_2BPP_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "8"
    },
    "PVRTC1_RGBA_4BPP_UNORM_SRGB_BLOCK": {
      "blockPixelBytes": "8"
    }
  }
  

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