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Merge pull request #79624 from mandryskowski/patch-1

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Revert the change of the limit for interpolation of F0 for dielectrics and metals for Screen Space Reflections
This commit is contained in:
Yuri Sizov 2023-07-21 17:54:50 +02:00
parent 7573a458be 33e46aac13
commit 1e856b61ae
1 changed files with 3 additions and 1 deletions
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servers/rendering/renderer_rd/shaders/effects/screen_space_reflection.glsl
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@ -263,7 +263,9 @@ void main() {
// Schlick term.
float metallic = texelFetch(source_metallic, ssC << 1, 0).w;
float f0 = mix(0.04, 0.37, metallic); // The default value of R0 is 0.04 and the maximum value is considered to be Germanium with R0 value of 0.37
// F0 is the reflectance of normally incident light (perpendicular to the surface).
// Dielectric materials have a widely accepted default value of 0.04. We assume that metals reflect all light, so their F0 is 1.0.
float f0 = mix(0.04, 1.0, metallic);
float m = clamp(1.0 - dot(normal, -view_dir), 0.0, 1.0);
float m2 = m * m;
m = m2 * m2 * m; // pow(m,5)