26 lines
504 B
Forth
26 lines
504 B
Forth
|
#version 100
|
||
|
|
||
|
precision mediump float;
|
||
|
|
||
|
varying vec2 fragTexCoord;
|
||
|
|
||
|
uniform sampler2D texture0;
|
||
|
uniform vec4 tintColor;
|
||
|
|
||
|
// NOTE: Add here your custom variables
|
||
|
|
||
|
float gamma = 0.6;
|
||
|
float numColors = 8.0;
|
||
|
|
||
|
void main()
|
||
|
{
|
||
|
vec3 color = texture2D(texture0, fragTexCoord.xy).rgb;
|
||
|
|
||
|
color = pow(color, vec3(gamma, gamma, gamma));
|
||
|
color = color*numColors;
|
||
|
color = floor(color);
|
||
|
color = color/numColors;
|
||
|
color = pow(color, vec3(1.0/gamma));
|
||
|
|
||
|
gl_FragColor = vec4(color, 1.0);
|
||
|
}
|