22 lines
438 B
GLSL
22 lines
438 B
GLSL
#version 330 core
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uniform sampler2DRect colorSampler;
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uniform float exposition;
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uniform float gamma;
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layout(location = 0)out vec4 outColor;
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void main(void) {
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ivec2 pos = ivec2(gl_FragCoord.xy);
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vec3 color = texelFetch(colorSampler, pos).xyz;
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// Exposure tone mapping
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vec3 mapped = vec3(1.0) - exp(-color * 1);
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// Gamma correction
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mapped = pow(mapped, vec3(1.0 / gamma));
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outColor = vec4(mapped, 1.0);
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}
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