37 lines
1.5 KiB
GLSL
37 lines
1.5 KiB
GLSL
void main()
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{
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float4 c_center = Sample();
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float4 bloom_sum = float4(0.0, 0.0, 0.0, 0.0);
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float2 pos = GetCoordinates() + float2(0.3, 0.3) * GetInvResolution();
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float2 radius1 = 1.3 * GetInvResolution();
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bloom_sum += SampleLocation(pos + float2(-1.5, -1.5) * radius1);
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bloom_sum += SampleLocation(pos + float2(-2.5, 0.0) * radius1);
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bloom_sum += SampleLocation(pos + float2(-1.5, 1.5) * radius1);
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bloom_sum += SampleLocation(pos + float2(0.0, 2.5) * radius1);
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bloom_sum += SampleLocation(pos + float2(1.5, 1.5) * radius1);
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bloom_sum += SampleLocation(pos + float2(2.5, 0.0) * radius1);
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bloom_sum += SampleLocation(pos + float2(1.5, -1.5) * radius1);
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bloom_sum += SampleLocation(pos + float2(0.0, -2.5) * radius1);
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float2 radius2 = 4.6 * GetInvResolution();
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bloom_sum += SampleLocation(pos + float2(-1.5, -1.5) * radius2);
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bloom_sum += SampleLocation(pos + float2(-2.5, 0.0) * radius2);
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bloom_sum += SampleLocation(pos + float2(-1.5, 1.5) * radius2);
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bloom_sum += SampleLocation(pos + float2(0.0, 2.5) * radius2);
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bloom_sum += SampleLocation(pos + float2(1.5, 1.5) * radius2);
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bloom_sum += SampleLocation(pos + float2(2.5, 0.0) * radius2);
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bloom_sum += SampleLocation(pos + float2(1.5, -1.5) * radius2);
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bloom_sum += SampleLocation(pos + float2(0.0, -2.5) * radius2);
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bloom_sum *= 0.07;
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bloom_sum -= float4(0.3, 0.3, 0.3, 0.3);
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bloom_sum = max(bloom_sum, float4(0.0, 0.0, 0.0, 0.0));
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float2 vpos = (GetCoordinates() - float2(0.5, 0.5)) * 2.0;
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float dist = (dot(vpos, vpos));
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dist = 1.0 - 0.4*dist;
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SetOutput((c_center * 0.7 + bloom_sum) * dist);
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}
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