light_world.lua/lib/shaders/postshaders/contrast.lua
2016-04-30 09:37:28 -04:00

8 lines
189 B
Lua

return [[//
vec4 effect(vec4 color, Image texture, vec2 texture_coords, vec2 pixel_coords) {
vec3 col = Texel(texture, texture_coords).rgb * 2.0;
col *= col;
return vec4(col, 1.0);
}
]]