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Last change
on this file since 12397 was
7708,
checked in by dafrick, 14 years ago
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Merging cleanup branch. You will need to update your data repository as well as your local copy of the code.
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-
Property svn:eol-style set to
native
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File size:
945 bytes
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| Line | |
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| 1 | sampler RT : register(s0); |
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| 2 | |
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| 3 | float4 Tiling_ps(float4 inPos : POSITION, |
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| 4 | float2 iTexCoord : TEXCOORD0, |
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| 5 | uniform half NumTiles, |
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| 6 | uniform half Threshhold) : COLOR |
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| 7 | { |
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| 8 | |
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| 9 | |
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| 10 | half3 EdgeColor = {0.7, 0.7, 0.7}; |
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| 11 | |
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| 12 | half size = 1.0/NumTiles; |
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| 13 | half2 Pbase = iTexCoord - fmod(iTexCoord, size.xx); |
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| 14 | half2 PCenter = Pbase + (size/2.0).xx; |
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| 15 | half2 st = (iTexCoord - Pbase)/size; |
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| 16 | half4 c1 = (half4)0; |
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| 17 | half4 c2 = (half4)0; |
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| 18 | half4 invOff = half4((1-EdgeColor),1); |
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| 19 | if (st.x > st.y) { c1 = invOff; } |
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| 20 | half threshholdB = 1.0 - Threshhold; |
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| 21 | if (st.x > threshholdB) { c2 = c1; } |
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| 22 | if (st.y > threshholdB) { c2 = c1; } |
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| 23 | half4 cBottom = c2; |
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| 24 | c1 = (half4)0; |
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| 25 | c2 = (half4)0; |
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| 26 | if (st.x > st.y) { c1 = invOff; } |
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| 27 | if (st.x < Threshhold) { c2 = c1; } |
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| 28 | if (st.y < Threshhold) { c2 = c1; } |
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| 29 | half4 cTop = c2; |
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| 30 | half4 tileColor = tex2D(RT, PCenter); |
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| 31 | half4 result = tileColor + cTop - cBottom; |
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| 32 | return result; |
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| 33 | } |
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