playcanvas/build/playcanvas.prf/src/scene/shader-lib/chunks-wgsl/common/frag/gamma.js

PlayCanvas WebGL game engine

var gammaPS = '\n\n#include "decodePS"\n\n#if (GAMMA == SRGB)\n\n    fn gammaCorrectInput(color: f32) -> f32 {\n        return decodeGammaFloat(color);\n    }\n\n    fn gammaCorrectInputVec3(color: vec3f) -> vec3f {\n        return decodeGammaVec3(color);\n    }\n\n    fn gammaCorrectInputVec4(color: vec4f) -> vec4f {\n        return vec4f(decodeGammaVec3(color.xyz), color.w);\n    }\n\n    fn gammaCorrectOutput(color: vec3f) -> vec3f {\n        return pow(color + 0.0000001, vec3f(1.0 / 2.2));\n    }\n\n#else // NONE\n\n    fn gammaCorrectInput(color: f32) -> f32 {\n        return color;\n    }\n\n    fn gammaCorrectInputVec3(color: vec3f) -> vec3f {\n        return color;\n    }\n\n    fn gammaCorrectInputVec4(color: vec4f) -> vec4f {\n        return color;\n    }\n\n    fn gammaCorrectOutput(color: vec3f) -> vec3f {\n        return color;\n    }\n\n#endif\n';

export { gammaPS as default };