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Added slang shaders for additional compute samples

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Sascha Willems 2025-05-19 19:51:43 +02:00
parent 80ff4a41d2
commit 829118736f
8 changed files with 460 additions and 2 deletions
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43
shaders/slang/computeshader/sharpen.slang Normal file
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/* Copyright (c) 2025, Sascha Willems
*
* SPDX-License-Identifier: MIT
*
*/
import shared;
[shader("compute")]
[numthreads(16, 16, 1)]
void computeMain(uint3 GlobalInvocationID : SV_DispatchThreadID)
{
float r[9];
float g[9];
float b[9];
// Fetch neighbouring texels
int n = -1;
for (int i=-1; i<2; ++i)
{
for(int j=-1; j<2; ++j)
{
n++;
float3 rgb = inputImage[uint2(GlobalInvocationID.x + i, GlobalInvocationID.y + j)].rgb;
r[n] = rgb.r;
g[n] = rgb.g;
b[n] = rgb.b;
}
}
float kernel[9];
kernel[0] = -1.0; kernel[1] = -1.0; kernel[2] = -1.0;
kernel[3] = -1.0; kernel[4] = 9.0; kernel[5] = -1.0;
kernel[6] = -1.0; kernel[7] = -1.0; kernel[8] = -1.0;
float4 res = float4(
conv(kernel, r, 1.0, 0.0),
conv(kernel, g, 1.0, 0.0),
conv(kernel, b, 1.0, 0.0),
1.0);
resultImage[int2(GlobalInvocationID.xy)] = res;
}