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- precision highp float;
- varying vec2 tc;
- attribute vec4 p;
- void main(){
- gl_Position=p;
- tc=vec2(0.5,0.5/8.0)*p.xy+vec2(0.5,6.5/8.0);
-
- }
- precision highp float;
- varying vec2 tc;
- uniform sampler2D tex;
- uniform float b;
- void main() {
-
- vec4 s = texture2D(tex,tc);
- gl_FragColor.xyz = s.xyz*(b*s.w);
-
- }
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