github.com/cybriq/giocore@v0.0.7-0.20210703034601-cfb9cb5f3900/gpu/shaders/material.frag (about)

     1  #version 310 es
     2  
     3  // SPDX-License-Identifier: Unlicense OR MIT
     4  
     5  precision mediump float;
     6  
     7  layout(binding = 0) uniform sampler2D tex;
     8  
     9  layout(location = 0) in vec2 vUV;
    10  
    11  layout(location = 0) out vec4 fragColor;
    12  
    13  vec3 RGBtosRGB(vec3 rgb) {
    14  	bvec3 cutoff = greaterThanEqual(rgb, vec3(0.0031308));
    15  	vec3 below = vec3(12.92)*rgb;
    16  	vec3 above = vec3(1.055)*pow(rgb, vec3(0.41666)) - vec3(0.055);
    17  	return mix(below, above, cutoff);
    18  }
    19  
    20  void main() {
    21  	vec4 texel = texture(tex, vUV);
    22  	texel.rgb = RGBtosRGB(texel.rgb);
    23  	fragColor = texel;
    24  }