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[D3D12] DXT1 untiling

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Triang3l
2018-08-06 20:10:53 +03:00
parent 265d6eb9df
commit cfd3821b83
10 changed files with 625 additions and 103 deletions
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38
src/xenia/gpu/d3d12/shaders/texture_load_64bpb.cs.hlsl Normal file
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#include "texture_copy.hlsli"
[numthreads(8, 32, 1)]
void main(uint3 xe_thread_id : SV_DispatchThreadID) {
// 1 thread = 4 uint2 blocks.
uint3 block_index = xe_thread_id;
block_index.x <<= 2u;
[branch] if (any(block_index >= xe_texture_copy_size)) {
return;
}
uint3 block_index_guest = block_index + xe_texture_copy_guest_mip_offset;
uint4 block_offsets_guest;
[branch] if (xe_texture_copy_guest_pitch == XeTextureCopyGuestPitchTiled) {
[branch] if (xe_texture_copy_is_3d) {
block_offsets_guest = XeTextureTiledOffset3D(
block_index_guest, xe_texture_copy_size.xy, 3u);
} else {
block_offsets_guest = XeTextureTiledOffset2D(
block_index_guest.xy, xe_texture_copy_size.x, 3u);
}
} else {
block_offsets_guest = uint4(0u, 8u, 16u, 24u) + XeTextureGuestLinearOffset(
block_index_guest, xe_texture_copy_size.y, xe_texture_copy_guest_pitch,
8u);
}
block_offsets_guest += xe_texture_copy_guest_base;
uint4 blocks_01 = uint4(xe_texture_copy_source.Load2(block_offsets_guest.x),
xe_texture_copy_source.Load2(block_offsets_guest.y));
uint4 blocks_23 = uint4(xe_texture_copy_source.Load2(block_offsets_guest.z),
xe_texture_copy_source.Load2(block_offsets_guest.w));
blocks_01 = XeByteSwap(blocks_01, xe_texture_copy_endianness);
blocks_23 = XeByteSwap(blocks_23, xe_texture_copy_endianness);
uint block_offset_host = XeTextureHostLinearOffset(
block_index, xe_texture_copy_size.y, xe_texture_copy_host_pitch, 8u) +
xe_texture_copy_host_base;
xe_texture_copy_dest.Store4(block_offset_host, blocks_01);
xe_texture_copy_dest.Store4(block_offset_host + 16u, blocks_23);
}