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authorRĂ©mi Verschelde <rverschelde@gmail.com>2020-10-19 23:50:49 +0200
committerGitHub <noreply@github.com>2020-10-19 23:50:49 +0200
commit7d4921db1acb81a03e49321e289bdc9d7a79249d (patch)
tree29d6dbc10c65eae5efcc1d12d659bf066154cf62 /servers/rendering/rasterizer_rd
parentcf3a4cb09132f151a046da3ae827f7c9fbcbf69c (diff)
parentffc4151f29b21d7e11bb6d1b14171b466bcbe752 (diff)
Merge pull request #42915 from Yetizone/negative_lights_behavior
tonemap.glsl: Ensure color parameter of tonemap_reinhard() is positive
Diffstat (limited to 'servers/rendering/rasterizer_rd')
-rw-r--r--servers/rendering/rasterizer_rd/shaders/tonemap.glsl4
1 files changed, 4 insertions, 0 deletions
diff --git a/servers/rendering/rasterizer_rd/shaders/tonemap.glsl b/servers/rendering/rasterizer_rd/shaders/tonemap.glsl
index 2a13db4cd1..ee66de4192 100644
--- a/servers/rendering/rasterizer_rd/shaders/tonemap.glsl
+++ b/servers/rendering/rasterizer_rd/shaders/tonemap.glsl
@@ -157,6 +157,10 @@ vec3 tonemap_aces(vec3 color, float white) {
}
vec3 tonemap_reinhard(vec3 color, float white) {
+ // Ensure color values are positive.
+ // They can be negative in the case of negative lights, which leads to undesired behavior.
+ color = max(vec3(0.0), color);
+
return (white * color + color) / (color * white + white);
}