Pixel-Composer/shaders/sh_2d_light/sh_2d_light.fsh
2022-01-13 11:24:03 +07:00

25 lines
469 B
GLSL

//
// Simple passthrough fragment shader
//
varying vec4 v_vColour;
uniform vec3 color;
uniform float intensity;
uniform float band;
uniform float atten;
void main() {
float bright = dot(v_vColour.rgb, vec3(0.2126, 0.7152, 0.0722));
if(atten == 0.)
bright = bright * bright * intensity;
else if(atten == 1.)
bright = bright * intensity;
if(band > 0.) {
bright = ceil(bright * band) / band;
}
vec4 col = vec4(color, bright);
gl_FragColor = col;
}