source:
data/branches/Shader_HS18/programs/Example/GLSL150/PosterizeFP.glsl
@
12083
Last change on this file since 12083 was 12083, checked in by wiesep, 6 years ago | |
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File size: 365 bytes |
Rev | Line | |
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[12083] | 1 | #version 150 |
2 | ||
3 | uniform sampler2D RT; | |
4 | in vec2 oUv0; | |
5 | out vec4 fragColour; | |
6 | ||
7 | void main() | |
8 | { | |
9 | float nColors = 8.0; | |
10 | float gamma = 0.6; | |
11 | ||
12 | vec4 texCol = vec4(texture(RT, oUv0)); | |
13 | vec3 tc = texCol.xyz; | |
14 | tc = pow(tc, vec3(gamma)); | |
15 | tc = tc * nColors; | |
16 | tc = floor(tc); | |
17 | tc = tc / nColors; | |
18 | tc = pow(tc, vec3(1.0/gamma)); | |
19 | fragColour = vec4(tc, texCol.w); | |
20 | } |
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