source:
code/branches/skybox/Media/materials/programs/SharpenEdgesFP.cg
@
2117
Last change on this file since 2117 was 390, checked in by landauf, 17 years ago | |
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File size: 392 bytes |
Rev | Line | |
---|---|---|
[390] | 1 | sampler RT: register(s0); |
2 | ||
3 | float4 sharpenEdges_fp(float2 iTexCoord: TEXCOORD0, uniform float2 vTexelSize) : COLOR | |
4 | { | |
5 | ||
6 | float2 usedTexelED[8] = { | |
7 | -1, -1, | |
8 | 0, -1, | |
9 | 1, -1, | |
10 | -1, 0, | |
11 | 1, 0, | |
12 | -1, 1, | |
13 | 0, 1, | |
14 | 1, 1, | |
15 | }; | |
16 | ||
17 | float4 cAvgColor= 9 * tex2D (RT, iTexCoord); | |
18 | ||
19 | for(int t=0; t<8; t++) | |
20 | cAvgColor -= tex2D(RT, iTexCoord + vTexelSize * usedTexelED[t]); | |
21 | ||
22 | return cAvgColor; | |
23 | } |
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