Files
Xenia-Canary/src/xenia/gpu/d3d12/shaders/resolve_fast_64bpp_4xmsaa.cs.hlsl

34 lines
1.4 KiB
HLSL

#include "endian.hlsli"
#include "resolve.hlsli"
RWBuffer<uint4> xe_resolve_dest : register(u0);
Buffer<uint2> xe_resolve_source : register(t0);
[numthreads(8, 8, 1)]
void main(uint3 xe_thread_id : SV_DispatchThreadID) {
// 1 thread = 4 pixels.
uint2 pixel_index = xe_thread_id.xy << uint2(2u, 0u);
// Group height is the same as resolve granularity, Y overflow check not
// needed.
[branch] if (pixel_index.x >= XeResolveSize().x) {
return;
}
uint source_address_int2s =
XeEdramOffsetInts(pixel_index + XeResolveOffset(),
XeResolveEdramBaseTiles(), XeResolveEdramPitchTiles(),
kXenosMsaaSamples_4X, false, 1u,
XeResolveFirstSampleIndex())
>> 1u;
uint4 pixels_01, pixels_23;
pixels_01.xy = xe_resolve_source[source_address_int2s];
pixels_01.zw = xe_resolve_source[source_address_int2s + 2u];
pixels_23.xy = xe_resolve_source[source_address_int2s + 4u];
pixels_23.zw = xe_resolve_source[source_address_int2s + 6u];
XeResolveSwap4PixelsRedBlue64bpp(pixels_01, pixels_23);
uint endian = XeResolveDestEndian128();
uint dest_address = XeResolveDestPixelAddress(pixel_index, 3u) >> 4u;
xe_resolve_dest[dest_address] = XeEndianSwap64(pixels_01, endian);
// Odd 2 pixels = even 2 pixels + 32 bytes when tiled.
xe_resolve_dest[dest_address + 2u] = XeEndianSwap64(pixels_23, endian);
}