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authorRĂ©mi Verschelde <remi@verschelde.fr>2021-08-10 09:56:11 +0200
committerGitHub <noreply@github.com>2021-08-10 09:56:11 +0200
commit51b4df72a7d67b442cbb1a2db1610853895971de (patch)
tree130868ac3ba6df4398312916edf97e32cefaf863 /servers/rendering
parent56f17d925f774b3a80fdb2bc57c512e4bba063cb (diff)
parent57451f132ff5bf9481961d34d4d7ad4965a355e8 (diff)
Merge pull request #51436 from Calinou/tonemap-clamp-negative-colors
Clamp negative colors regardless of the tonemapper to avoid artifacts
Diffstat (limited to 'servers/rendering')
-rw-r--r--servers/rendering/renderer_rd/shaders/tonemap.glsl10
1 files changed, 4 insertions, 6 deletions
diff --git a/servers/rendering/renderer_rd/shaders/tonemap.glsl b/servers/rendering/renderer_rd/shaders/tonemap.glsl
index f028195a74..3c685c25b9 100644
--- a/servers/rendering/renderer_rd/shaders/tonemap.glsl
+++ b/servers/rendering/renderer_rd/shaders/tonemap.glsl
@@ -184,10 +184,6 @@ 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);
}
@@ -211,7 +207,7 @@ vec3 apply_tonemapping(vec3 color, float white) { // inputs are LINEAR, always o
return tonemap_reinhard(color, white);
} else if (params.tonemapper == TONEMAPPER_FILMIC) {
return tonemap_filmic(color, white);
- } else { //aces
+ } else { // TONEMAPPER_ACES
return tonemap_aces(color, white);
}
}
@@ -405,7 +401,9 @@ void main() {
color += screen_space_dither(gl_FragCoord.xy);
}
- color = apply_tonemapping(color, params.white);
+ // Ensure color values passed to tonemappers are positive.
+ // They can be negative in the case of negative lights, which leads to undesired behavior.
+ color = apply_tonemapping(max(vec3(0.0), color), params.white);
color = linear_to_srgb(color); // regular linear -> SRGB conversion