Files
Xenia-Canary/src/xenia/gpu/d3d12/shaders/resolve_fast_32bpp_4xmsaa.cs.hlsl

43 lines
1.9 KiB
HLSL

#include "endian.hlsli"
#include "resolve.hlsli"
RWBuffer<uint4> xe_resolve_dest : register(u0);
Buffer<uint4> xe_resolve_source : register(t0);
[numthreads(8, 8, 1)]
void main(uint3 xe_thread_id : SV_DispatchThreadID) {
// 1 thread = 8 pixels.
uint2 pixel_index = xe_thread_id.xy << uint2(3u, 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_int4s =
XeEdramOffsetInts(pixel_index + XeResolveOffset(),
XeResolveEdramBaseTiles(), XeResolveEdramPitchTiles(),
kXenosMsaaSamples_4X, XeResolveEdramIsDepth(), 0u,
XeResolveFirstSampleIndex())
>> 2u;
uint4 pixels_0123, pixels_4567;
uint sample_select = XeResolveSampleSelect();
[branch] if (sample_select != kXenosCopySampleSelect_2 &&
sample_select != kXenosCopySampleSelect_3) {
pixels_0123.xy = xe_resolve_source[source_address_int4s].xz;
pixels_0123.zw = xe_resolve_source[source_address_int4s + 1u].xz;
pixels_4567.xy = xe_resolve_source[source_address_int4s + 2u].xz;
pixels_4567.zw = xe_resolve_source[source_address_int4s + 3u].xz;
} else {
pixels_0123.xy = xe_resolve_source[source_address_int4s].yw;
pixels_0123.zw = xe_resolve_source[source_address_int4s + 1u].yw;
pixels_4567.xy = xe_resolve_source[source_address_int4s + 2u].yw;
pixels_4567.zw = xe_resolve_source[source_address_int4s + 3u].yw;
}
XeResolveSwap8PixelsRedBlue32bpp(pixels_0123, pixels_4567);
uint endian = XeResolveDestEndian128();
uint dest_address = XeResolveDestPixelAddress(pixel_index, 2u) >> 4u;
xe_resolve_dest[dest_address] = XeEndianSwap32(pixels_0123, endian);
// Odd 4 pixels = even 4 pixels + 32 bytes when tiled.
xe_resolve_dest[dest_address + 2u] = XeEndianSwap32(pixels_4567, endian);
}