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view sdr/test.p.glsl @ 40:9e8fb79fd959

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converted to xcode 4 created xcodebuild makefile
author John Tsiombikas <nuclear@member.fsf.org>
date Sun, 19 Feb 2012 17:25:41 +0200
parents b39d8607f4bb
children
line source
1 #ifdef GL_ES
2 precision mediump float;
3 #endif
4
5 uniform sampler2D tex;
6
7 varying vec3 vpos;
8 varying vec4 var_color;
9 varying vec2 var_texcoord;
10
11 void main()
12 {
13 vec4 fog_color = vec4(0.6, 0.6, 0.6, 1.0);
14
15 float fog = exp(-(0.2 * -vpos.z));
16
17 vec4 texel = texture2D(tex, var_texcoord);
18 texel.w = 1.0;
19
20 vec4 col = var_color * texel;
21 gl_FragColor = mix(fog_color, col, fog);
22 }