Files
vb01/blur.frag
2021-10-19 19:06:41 +03:00

23 lines
572 B
GLSL

#version 330 core
in vec2 texCoords;
out vec4 FragColor;
uniform bool horizontal;
uniform sampler2D tex;
void main(){
int amount = 5;
float weight[5] = float[] (0.227027, 0.1945946, 0.1216216, 0.054054,0.016216);
vec2 texel = 1.0 / textureSize(tex, 0);
vec3 c = texture(tex, texCoords).rgb * weight[0];
for(int i = 1; i < amount; i++){
vec2 offset = vec2(horizontal ? texel.x : 0, horizontal ? 0 : texel.y);
c += texture(tex, texCoords + offset * i).rgb * weight[i];
c += texture(tex, texCoords - offset * i).rgb * weight[i];
}
FragColor = vec4(c, 1);
}