Files
Xenia-Canary/src/xenia/gpu/shaders/texture_load_8bpb.cs.hlsl

26 lines
998 B
HLSL

#include "texture_load.hlsli"
Buffer<uint2> xe_texture_load_source : register(t0);
RWBuffer<uint4> xe_texture_load_dest : register(u0);
[numthreads(2, 32, 1)]
void main(uint3 xe_thread_id : SV_DispatchThreadID) {
// 1 thread = 16 blocks.
uint3 block_index = xe_thread_id << uint3(4, 0, 0);
[branch] if (any(block_index >= xe_texture_load_size_blocks)) {
return;
}
int block_offset_host =
(XeTextureHostLinearOffset(int3(block_index),
xe_texture_load_size_blocks.y,
xe_texture_load_host_pitch, 1u) +
xe_texture_load_host_base) >> 4;
int block_offset_guest =
XeTextureLoadGuestBlockOffset(int3(block_index), 1u, 0u) >> 3;
// Odd 8 blocks = even 8 blocks + 64 bytes when tiled.
xe_texture_load_dest[block_offset_host] = uint4(
xe_texture_load_source[block_offset_guest],
xe_texture_load_source[block_offset_guest +
(XeTextureLoadIsTiled() ? 8 : 1)]);
}