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ValarDebugCS.hlsl
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127 lines (107 loc) · 4.1 KB
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// Copyright (C) 2022 Intel Corporation
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom
// the Software is furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES
// OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
// OR OTHER DEALINGS IN THE SOFTWARE.
#define VRS_RootSig \
"RootFlags(0), " \
"RootConstants(b0, num32BitConstants=6), " \
"DescriptorTable(UAV(u0, numDescriptors = 2))," \
enum ShadingRates
{
SHADING_RATE_1X1 = 0x0,
SHADING_RATE_1X2 = 0x1,
SHADING_RATE_2X1 = 0x4,
SHADING_RATE_2X2 = 0x5,
SHADING_RATE_2X4 = 0x6,
SHADING_RATE_4X2 = 0x9,
SHADING_RATE_4X4 = 0xa,
};
cbuffer CB0 : register(b0) {
uint NativeWidth;
uint NativeHeight;
uint UpscaledWidth;
uint UpscaledHeight;
uint ShadingRateTileSize;
bool DrawGrid;
}
RWTexture2D<uint> VRSShadingRateBuffer : register(u0);
uint GetShadingRate(int2 st) { return VRSShadingRateBuffer[st]; }
RWTexture2D<float4> ColorBuffer : register(u1);
void SetColor(int2 st, float4 rgb) { ColorBuffer[st] = rgb; }
bool IsTileEdge(uint2 PixelCoord)
{
bool isTileEdge = false;
if (PixelCoord.x % ShadingRateTileSize == 0)
isTileEdge = true;
else if (PixelCoord.y % ShadingRateTileSize == 0)
isTileEdge = true;
return isTileEdge;
}
bool IsIndicatorPosition(uint2 PixelCoord, uint TileSize)
{
return ((PixelCoord.x % TileSize == 4 && PixelCoord.y % TileSize == 4) ||
(PixelCoord.x % TileSize == 4 && PixelCoord.y % TileSize == 3) ||
(PixelCoord.x % TileSize == 3 && PixelCoord.y % TileSize == 4) ||
(PixelCoord.x % TileSize == 3 && PixelCoord.y % TileSize == 3));
}
[numthreads(1, 1, 1)]
[RootSignature(VRS_RootSig)]
void main(uint3 Gid : SV_GroupID, uint GI : SV_GroupIndex, uint3 GTid : SV_GroupThreadID, uint3 DTid : SV_DispatchThreadID)
{
float2 upscaleRatio = float2(
(float)NativeWidth / (float)UpscaledWidth,
(float)NativeHeight / (float)UpscaledHeight);
float2 scaledPixelCoord = float2(
(float)DTid.x * upscaleRatio.x,
(float)DTid.y * upscaleRatio.y);
uint2 vrsBufferCoord = uint2(
(uint)((float)scaledPixelCoord.x / (float)ShadingRateTileSize),
(uint)((float)scaledPixelCoord.y / (float)ShadingRateTileSize));
uint rate = GetShadingRate(vrsBufferCoord);
if (DrawGrid && IsTileEdge(scaledPixelCoord))
{
SetColor(DTid.xy, float4(0, 0, 0, 1));
return;
}
switch (rate)
{
case SHADING_RATE_1X1:
break;
case SHADING_RATE_1X2:
if (IsIndicatorPosition(scaledPixelCoord, ShadingRateTileSize))
SetColor(DTid.xy, float4(1, 1, 1, 1));
else
SetColor(DTid.xy, float4(0, 0, 1, 1));
break;
case SHADING_RATE_2X1:
SetColor(DTid.xy, float4(0, 0, 1, 1));
break;
case SHADING_RATE_2X2:
SetColor(DTid.xy, float4(0, 1, 0, 1));
break;
case SHADING_RATE_2X4:
if (IsIndicatorPosition(scaledPixelCoord, ShadingRateTileSize))
SetColor(DTid.xy, float4(1, 1, 1, 1));
else
SetColor(DTid.xy, float4(1, 0, 0, 1));
break;
case SHADING_RATE_4X2:
SetColor(DTid.xy, float4(1, 0, 0, 1));
break;
case SHADING_RATE_4X4:
SetColor(DTid.xy, float4(1, 0, 1, 1));
break;
}
}