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-rw-r--r--indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl2
1 files changed, 1 insertions, 1 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl b/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl
index ee425f97fc..c8afacf9bb 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/luminanceF.glsl
@@ -47,6 +47,6 @@ void main()
tc.y -= 0.1; // HACK - nudge exposure sample down a little bit to favor ground over sky
vec3 c = texture(diffuseRect, tc).rgb + texture(emissiveRect, tc).rgb;
float L = lum(c);
- frag_color = vec4(L);
+ frag_color = vec4(max(L, 0.0));
}