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Implement BC5/DXN2 (#996)

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- Used by Kirby Star Allies.
This commit is contained in:
Khangaroo 2018-08-09 12:57:13 -04:00 • committed by bunnei
parent 5c908c0373
commit 5cb6eceecf
3 changed files with 45 additions and 33 deletions
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3
src/video_core/textures/decoders.cpp
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@ -54,6 +54,7 @@ u32 BytesPerPixel(TextureFormat format) {
return 8;
case TextureFormat::DXT23:
case TextureFormat::DXT45:
case TextureFormat::DXN2:
case TextureFormat::BC7U:
// In this case a 'pixel' actually refers to a 4x4 tile.
return 16;
@ -113,6 +114,7 @@ std::vector<u8> UnswizzleTexture(VAddr address, TextureFormat format, u32 width,
case TextureFormat::DXT23:
case TextureFormat::DXT45:
case TextureFormat::DXN1:
case TextureFormat::DXN2:
case TextureFormat::BC7U:
// In the DXT and DXN formats, each 4x4 tile is swizzled instead of just individual pixel
// values.
@ -179,6 +181,7 @@ std::vector<u8> DecodeTexture(const std::vector<u8>& texture_data, TextureFormat
case TextureFormat::DXT23:
case TextureFormat::DXT45:
case TextureFormat::DXN1:
case TextureFormat::DXN2:
case TextureFormat::BC7U:
case TextureFormat::ASTC_2D_4X4:
case TextureFormat::A8R8G8B8: