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GPU: Allow using a configurable block height when unswizzling textures.

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Subv
2018-04-15 19:53:15 -05:00
parent db5f2bfa7e
commit 6b63aaa5b4
4 changed files with 23 additions and 7 deletions
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9
src/video_core/textures/decoders.cpp
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@ -56,23 +56,22 @@ u32 BytesPerPixel(TextureFormat format) {
}
}
std::vector<u8> UnswizzleTexture(VAddr address, TextureFormat format, u32 width, u32 height) {
std::vector<u8> UnswizzleTexture(VAddr address, TextureFormat format, u32 width, u32 height,
u32 block_height) {
u8* data = Memory::GetPointer(address);
u32 bytes_per_pixel = BytesPerPixel(format);
static constexpr u32 DefaultBlockHeight = 16;
std::vector<u8> unswizzled_data(width * height * bytes_per_pixel);
switch (format) {
case TextureFormat::DXT1:
// In the DXT1 format, each 4x4 tile is swizzled instead of just individual pixel values.
CopySwizzledData(width / 4, height / 4, bytes_per_pixel, bytes_per_pixel, data,
unswizzled_data.data(), true, DefaultBlockHeight);
unswizzled_data.data(), true, block_height);
break;
case TextureFormat::A8R8G8B8:
CopySwizzledData(width, height, bytes_per_pixel, bytes_per_pixel, data,
unswizzled_data.data(), true, DefaultBlockHeight);
unswizzled_data.data(), true, block_height);
break;
default:
UNIMPLEMENTED_MSG("Format not implemented");