Files
Xenia-Canary/src/xenia/gpu/d3d12/shaders/texture_load_16bpb.cs.hlsl
2018-08-15 16:27:13 +03:00

26 lines
1.1 KiB
HLSL

#include "texture_copy.hlsli"
[numthreads(8, 32, 1)]
void main(uint3 xe_thread_id : SV_DispatchThreadID) {
// 1 thread = 4 ushort blocks.
uint3 block_index = xe_thread_id;
block_index.x <<= 2u;
[branch] if (any(block_index >= xe_texture_copy_size_blocks)) {
return;
}
uint4 block_offsets_guest =
XeTextureCopyGuestBlockOffsets(block_index, 2u, 1u);
uint4 dword_offsets_guest = block_offsets_guest & ~3u;
uint4 blocks = uint4(xe_texture_copy_source.Load(dword_offsets_guest.x),
xe_texture_copy_source.Load(dword_offsets_guest.y),
xe_texture_copy_source.Load(dword_offsets_guest.z),
xe_texture_copy_source.Load(dword_offsets_guest.w));
blocks = (blocks >> ((block_offsets_guest & 2u) << 3u)) & 0xFFFFu;
blocks = XeByteSwap16(blocks, xe_texture_copy_endianness);
uint block_offset_host = XeTextureHostLinearOffset(
block_index, xe_texture_copy_size_blocks.y, xe_texture_copy_host_pitch,
2u) + xe_texture_copy_host_base;
xe_texture_copy_dest.Store2(block_offset_host,
blocks.xz | (blocks.yw << 16u));
}