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Rich Geldreich
2021-04-13 00:29:01 -04:00
parent 5f98685bb9
commit ee610c914e
1 changed files with 25 additions and 25 deletions
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50
transcoder/basisu_transcoder.h
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@@ -78,38 +78,38 @@ namespace basist
// Punch-through alpha is relatively easy to support, but full alpha is harder. This format is only here for completeness so opaque-only is fine for now.
// See the BASISU_USE_ORIGINAL_3DFX_FXT1_ENCODING macro in basisu_transcoder_internal.h.
cTFPVRTC2_4_RGB = 18, // Opaque-only, almost BC1 quality, much faster to transcode and supports arbitrary texture dimensions (unlike PVRTC1 RGB).
cTFPVRTC2_4_RGBA = 19, // Opaque+alpha, slower to encode than cTFPVRTC2_4_RGB. Premultiplied alpha is highly recommended, otherwise the color channel can leak into the alpha channel on transparent blocks.
cTFPVRTC2_4_RGB = 18, // Opaque-only, almost BC1 quality, much faster to transcode and supports arbitrary texture dimensions (unlike PVRTC1 RGB).
cTFPVRTC2_4_RGBA = 19, // Opaque+alpha, slower to encode than cTFPVRTC2_4_RGB. Premultiplied alpha is highly recommended, otherwise the color channel can leak into the alpha channel on transparent blocks.
cTFETC2_EAC_R11 = 20, // R only (ETC2 EAC R11 unsigned)
cTFETC2_EAC_RG11 = 21, // RG only (ETC2 EAC RG11 unsigned), R=opaque.r, G=alpha - for tangent space normal maps
cTFETC2_EAC_R11 = 20, // R only (ETC2 EAC R11 unsigned)
cTFETC2_EAC_RG11 = 21, // RG only (ETC2 EAC RG11 unsigned), R=opaque.r, G=alpha - for tangent space normal maps
// Uncompressed (raw pixel) formats
cTFRGBA32 = 13, // 32bpp RGBA image stored in raster (not block) order in memory, R is first byte, A is last byte.
cTFRGB565 = 14, // 16bpp RGB image stored in raster (not block) order in memory, R at bit position 11
cTFBGR565 = 15, // 16bpp RGB image stored in raster (not block) order in memory, R at bit position 0
cTFRGBA4444 = 16, // 16bpp RGBA image stored in raster (not block) order in memory, R at bit position 12, A at bit position 0
// Uncompressed (raw pixel) formats
cTFRGBA32 = 13, // 32bpp RGBA image stored in raster (not block) order in memory, R is first byte, A is last byte.
cTFRGB565 = 14, // 16bpp RGB image stored in raster (not block) order in memory, R at bit position 11
cTFBGR565 = 15, // 16bpp RGB image stored in raster (not block) order in memory, R at bit position 0
cTFRGBA4444 = 16, // 16bpp RGBA image stored in raster (not block) order in memory, R at bit position 12, A at bit position 0
cTFTotalTextureFormats = 22,
cTFTotalTextureFormats = 22,
// Old enums for compatibility with code compiled against previous versions
cTFETC1 = cTFETC1_RGB,
cTFETC2 = cTFETC2_RGBA,
cTFBC1 = cTFBC1_RGB,
cTFBC3 = cTFBC3_RGBA,
cTFBC4 = cTFBC4_R,
cTFBC5 = cTFBC5_RG,
// Old enums for compatibility with code compiled against previous versions
cTFETC1 = cTFETC1_RGB,
cTFETC2 = cTFETC2_RGBA,
cTFBC1 = cTFBC1_RGB,
cTFBC3 = cTFBC3_RGBA,
cTFBC4 = cTFBC4_R,
cTFBC5 = cTFBC5_RG,
// Previously, the caller had some control over which BC7 mode the transcoder output. We've simplified this due to UASTC, which supports numerous modes.
cTFBC7_M6_RGB = cTFBC7_RGBA, // Opaque only, RGB or alpha if cDecodeFlagsTranscodeAlphaDataToOpaqueFormats flag is specified. Highest quality of all the non-ETC1 formats.
cTFBC7_M5_RGBA = cTFBC7_RGBA, // Opaque+alpha, alpha channel will be opaque for opaque .basis files
cTFBC7_M6_OPAQUE_ONLY = cTFBC7_RGBA,
cTFBC7_M5 = cTFBC7_RGBA,
cTFBC7_ALT = 7,
// Previously, the caller had some control over which BC7 mode the transcoder output. We've simplified this due to UASTC, which supports numerous modes.
cTFBC7_M6_RGB = cTFBC7_RGBA, // Opaque only, RGB or alpha if cDecodeFlagsTranscodeAlphaDataToOpaqueFormats flag is specified. Highest quality of all the non-ETC1 formats.
cTFBC7_M5_RGBA = cTFBC7_RGBA, // Opaque+alpha, alpha channel will be opaque for opaque .basis files
cTFBC7_M6_OPAQUE_ONLY = cTFBC7_RGBA,
cTFBC7_M5 = cTFBC7_RGBA,
cTFBC7_ALT = 7,
cTFASTC_4x4 = cTFASTC_4x4_RGBA,
cTFASTC_4x4 = cTFASTC_4x4_RGBA,
cTFATC_RGBA_INTERPOLATED_ALPHA = cTFATC_RGBA,
cTFATC_RGBA_INTERPOLATED_ALPHA = cTFATC_RGBA,
};
// For compressed texture formats, this returns the # of bytes per block. For uncompressed, it returns the # of bytes per pixel.