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Fix edge sampling in sharpen shader (#1245)

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Fix edge sampling in sharpen shader.
This commit is contained in:
Stanislav Denisov
2025-10-18 08:31:11 +02:00
committed by GitHub
parent 787d0afaa7
commit ede31fdd69
1 changed files with 7 additions and 5 deletions
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WickedEngine/shaders/sharpenCS.hlsl
+7 -5
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@@ -10,11 +10,13 @@ RWTexture2D<float4> output : register(u0);
[numthreads(POSTPROCESS_BLOCKSIZE, POSTPROCESS_BLOCKSIZE, 1)]
void main(uint3 DTid : SV_DispatchThreadID)
{
float4 center = input[DTid.xy + int2(0, 0)];
float4 top = input[DTid.xy + int2(0, -1)];
float4 left = input[DTid.xy + int2(-1, 0)];
float4 right = input[DTid.xy + int2(1, 0)];
float4 bottom = input[DTid.xy + int2(0, 1)];
const float2 uv = (DTid.xy + 0.5f) * postprocess.resolution_rcp;
float4 center = input.SampleLevel(sampler_linear_clamp, uv, 0);
float4 top = input.SampleLevel(sampler_linear_clamp, uv + float2(0, -1) * postprocess.resolution_rcp, 0);
float4 left = input.SampleLevel(sampler_linear_clamp, uv + float2(-1, 0) * postprocess.resolution_rcp, 0);
float4 right = input.SampleLevel(sampler_linear_clamp, uv + float2(1, 0) * postprocess.resolution_rcp, 0);
float4 bottom = input.SampleLevel(sampler_linear_clamp, uv + float2(0, 1) * postprocess.resolution_rcp, 0);
output[DTid.xy] = center + (4 * center - top - bottom - left - right) * postprocess.params0[0];
}