Turanszki Janos
28 lines
913 B
HLSL
28 lines
913 B
HLSL
#include "globals.hlsli"
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#include "ShaderInterop_Postprocess.h"
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// This will cut out bright parts (>1) and also downsample 4x
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TEXTURE2D(input, float4, TEXSLOT_ONDEMAND0);
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RWTEXTURE2D(output, float4, 0);
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[numthreads(POSTPROCESS_BLOCKSIZE, POSTPROCESS_BLOCKSIZE, 1)]
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void main(uint3 DTid : SV_DispatchThreadID)
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{
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const float2 uv = DTid.xy + 0.5f;
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float3 color = 0;
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color += input.SampleLevel(sampler_linear_clamp, (uv + float2(-1, -1)) * xPPResolution_rcp, 0).rgb;
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color += input.SampleLevel(sampler_linear_clamp, (uv + float2(1, -1)) * xPPResolution_rcp, 0).rgb;
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color += input.SampleLevel(sampler_linear_clamp, (uv + float2(-1, 1)) * xPPResolution_rcp, 0).rgb;
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color += input.SampleLevel(sampler_linear_clamp, (uv + float2(1, 1)) * xPPResolution_rcp, 0).rgb;
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color /= 4.0f;
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const float bloomThreshold = xPPParams0.x;
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color = max(0, color - bloomThreshold);
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output[DTid.xy] = float4(color, 1);
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} |