Last change
on this file since 12373 was
12115,
checked in by wiesep, 6 years ago
|
Changed folder structure, deletet some unused files and cleaned up code
|
File size:
766 bytes
|
Rev | Line | |
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[12115] | 1 | //------------------------------- |
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| 2 | //BlurV_ps20.hlsl |
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| 3 | // Vertical Gaussian-Blur pass |
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| 4 | //------------------------------- |
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| 5 | |
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| 6 | sampler Blur0: register(s0); |
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| 7 | // Simple blur filter |
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| 8 | |
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| 9 | //We use the Normal-gauss distribution formula |
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| 10 | //f(x) being the formula, we used f(0.5)-f(-0.5); f(1.5)-f(0.5)... |
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| 11 | static const float samples[11] = |
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| 12 | {//stddev=2.0 |
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| 13 | 0.01222447, |
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| 14 | 0.02783468, |
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| 15 | 0.06559061, |
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| 16 | 0.12097757, |
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| 17 | 0.17466632, |
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| 18 | |
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| 19 | 0.19741265, |
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| 20 | |
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| 21 | 0.17466632, |
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| 22 | 0.12097757, |
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| 23 | 0.06559061, |
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| 24 | 0.02783468, |
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| 25 | 0.01222447 |
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| 26 | }; |
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| 27 | |
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| 28 | static const float2 pos[11] = |
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| 29 | { |
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| 30 | 0, -5, |
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| 31 | 0, -4, |
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| 32 | 0, -3, |
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| 33 | 0, -2, |
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| 34 | 0, -1, |
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| 35 | 0, 0, |
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| 36 | 0, 1, |
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| 37 | 0, 2, |
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| 38 | 0, 3, |
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| 39 | 0, 4, |
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| 40 | 0, 5 |
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| 41 | }; |
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| 42 | |
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| 43 | float4 main(float2 texCoord: TEXCOORD0) : COLOR |
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| 44 | { |
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| 45 | float4 sum = 0; |
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| 46 | for (int i = 0; i < 11; i++) |
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| 47 | { |
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| 48 | sum += tex2D(Blur0, texCoord + pos[i]*0.01) * samples[i]; |
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| 49 | } |
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| 50 | return sum; |
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| 51 | } |
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