Last change
on this file since 12302 was
12115,
checked in by wiesep, 6 years ago
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Changed folder structure, deletet some unused files and cleaned up code
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File size:
766 bytes
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Line | |
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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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