23 lines
542 B
GLSL
23 lines
542 B
GLSL
#ifndef EV_GLSL_SRGB_OPS_H
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#define EV_GLSL_SRGB_OPS_H
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vec4 LinearToSRGB(vec4 linearRGB)
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{
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bvec4 cutoff = lessThan(linearRGB, vec4(0.0031308));
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vec4 higher = vec4(1.055)*pow(linearRGB, vec4(1.0/2.4)) - vec4(0.055);
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vec4 lower = linearRGB * vec4(12.92);
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return mix(higher, lower, cutoff);
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}
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vec4 SRGBToLinear(vec4 sRGB)
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{
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bvec4 cutoff = lessThan(sRGB, vec4(0.04045));
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vec4 higher = pow((sRGB + vec4(0.055))/vec4(1.055), vec4(2.4));
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vec4 lower = sRGB/vec4(12.92);
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return mix(higher, lower, cutoff);
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}
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#endif
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