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Merge pull request #54197 from clayjohn/GLES3-irradiance-map

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Fudge irradiance map lookup to avoid precision issues
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Rémi Verschelde 2021-10-29 14:11:53 +02:00 committed by GitHub
commit ecedc7df0b
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drivers/gles3/shaders/scene.glsl
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@ -1938,7 +1938,7 @@ FRAGMENT_SHADER_CODE
norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz); norm = normalize((radiance_inverse_xform * vec4(norm, 0.0)).xyz);
norm.xy /= 1.0 + abs(norm.z); norm.xy /= 1.0 + abs(norm.z);
norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25); norm.xy = norm.xy * vec2(0.5, 0.25) + vec2(0.5, 0.25);
if (norm.z > 0.0) { if (norm.z > 0.0001) {
norm.y = 0.5 - norm.y + 0.5; norm.y = 0.5 - norm.y + 0.5;
} }