stk-code_catmod/data/shaders/lensblend.frag

27 lines
570 B
GLSL

/*
Lens flare blend
based on bloomblend.frag
author: samuncle
*/
uniform sampler2D tex_128;
uniform sampler2D tex_256;
uniform sampler2D tex_512;
out vec4 FragColor;
void main()
{
vec2 uv = gl_FragCoord.xy / u_screen;
vec4 col = .125 * texture(tex_128, uv);
col += .25 * texture(tex_256, uv);
col += .5 * texture(tex_512, uv);
// Blue color for lens flare
/*col *= 0.5;
float final = max(col.r,max(col.g,col.b));
final = final * 2;
vec3 blue = vec3(final * 0.1, final * 0.2, final);*/
FragColor = vec4(col.rgb, 1.);
}