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2024-04-16 23:03:54 +08:00
commit 54580cc1b2
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// Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
vec3 unpackNormal(vec4 nmap) {
return nmap.xyz * 2.0 - 1.0;
}
vec3 unpackRGBE(vec4 rgbe) {
return rgbe.rgb * pow(2.0, rgbe.a * 255.0 - 128.0);
}