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[D3D12] YUV texture formats

This commit is contained in:
Triang3l 2019-07-21 15:38:25 +03:00
parent 7648e45661
commit 3f968c3760
1 changed files with 21 additions and 10 deletions
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29
src/xenia/gpu/d3d12/texture_cache.cc
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@ -146,11 +146,16 @@ const TextureCache::HostFormat TextureCache::host_formats_[64] = {
LoadMode::kUnknown, DXGI_FORMAT_R8G8_UNORM, ResolveTileMode::k16bpp,
false},
// k_Cr_Y1_Cb_Y0_REP
{DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, LoadMode::kUnknown,
{DXGI_FORMAT_G8R8_G8B8_UNORM, DXGI_FORMAT_G8R8_G8B8_UNORM, LoadMode::k32bpb,
DXGI_FORMAT_UNKNOWN, LoadMode::kUnknown, DXGI_FORMAT_UNKNOWN,
LoadMode::kUnknown, DXGI_FORMAT_UNKNOWN, ResolveTileMode::kUnknown, false},
// k_Y1_Cr_Y0_Cb_REP
{DXGI_FORMAT_UNKNOWN, DXGI_FORMAT_UNKNOWN, LoadMode::kUnknown,
// Used for videos in NBA 2K9. Red and blue must be flipped.
// TODO(Triang3l): D3DFMT_G8R8_G8B8 is DXGI_FORMAT_R8G8_B8G8_UNORM * 255.0f,
// watch out for num_format int, division in shaders, etc., in NBA 2K9 it
// works as is. Also need to decompress if the size is uneven, but should be
// a very rare case.
{DXGI_FORMAT_R8G8_B8G8_UNORM, DXGI_FORMAT_R8G8_B8G8_UNORM, LoadMode::k32bpb,
DXGI_FORMAT_UNKNOWN, LoadMode::kUnknown, DXGI_FORMAT_UNKNOWN,
LoadMode::kUnknown, DXGI_FORMAT_UNKNOWN, ResolveTileMode::kUnknown, false},
// k_16_16_EDRAM
@ -1727,12 +1732,14 @@ void TextureCache::BindingInfoFromFetchConstant(
if (swizzle_out != nullptr) {
uint32_t swizzle = fetch.swizzle;
const uint32_t swizzle_constant_mask = 4 | (4 << 3) | (4 << 6) | (4 << 9);
uint32_t swizzle_constant = swizzle & swizzle_constant_mask;
uint32_t swizzle_not_constant = swizzle_constant ^ swizzle_constant_mask;
// 0b000 or 0b111 mask for 0 or 1 swizzles.
uint32_t swizzle_constant = swizzle & 0b100100100100;
swizzle_constant |= (swizzle_constant >> 1) | (swizzle_constant >> 2);
// 0b000 or 0b111 mask for RGBA swizzles.
uint32_t swizzle_not_constant = swizzle_constant ^ 0b111111111111;
// Get rid of 6 and 7 values (to prevent device losses if the game has
// something broken) the quick and dirty way - by changing them to 4 and 5.
swizzle &= ~(swizzle_constant >> 1);
swizzle &= 0b101101101101 | swizzle_not_constant;
// Remap the swizzle according to the texture format. k_1_5_5_5, k_5_6_5 and
// k_4_4_4_4 already have red and blue swapped in the load shader for
// simplicity.
@ -1740,16 +1747,20 @@ void TextureCache::BindingInfoFromFetchConstant(
// Green bits of the texture used for blue, and blue bits used for green.
// Swap 001 and 010 (XOR 011 if either 001 or 010).
uint32_t swizzle_green_or_blue =
((swizzle & 0b001001001001) ^ ((swizzle >> 1) & 0b001001001001)) &
(swizzle & 0b001001001001) ^ ((swizzle >> 1) & 0b001001001001);
swizzle ^= (swizzle_green_or_blue | (swizzle_green_or_blue << 1)) &
swizzle_not_constant;
swizzle ^= swizzle_green_or_blue | (swizzle_green_or_blue << 1);
} else if (format == TextureFormat::k_Cr_Y1_Cb_Y0_REP ||
format == TextureFormat::k_Y1_Cr_Y0_Cb_REP) {
// Swap red and blue.
swizzle ^= ((~swizzle & 0b001001001001) << 1) & swizzle_not_constant;
} else if (host_formats_[uint32_t(format)].replicate_component) {
// Replicate the only component of single-component textures, which are
// emulated with red formats (including DXT3A, which uses R8 rather than
// DXT3 because the resulting size is the same, but there's no 4x4
// alignment requirement). If not 0.0 or 1.0 (if the high bit isn't set),
// make 0 (red).
swizzle &= ~((swizzle_not_constant >> 1) | (swizzle_not_constant >> 2));
swizzle &= swizzle_constant;
}
*swizzle_out = swizzle;
}