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10 lines
247 B
GLSL

uniform sampler2D texture;
uniform float pixel_threshold;
void main()
{
float factor = 1.0 / (pixel_threshold + 0.001);
vec2 pos = floor(gl_TexCoord[0].xy * factor + 0.5) / factor;
gl_FragColor = texture2D(texture, pos) * gl_Color;
}