NORSPEC-293 fix sRGB to linear conversion to not scrooge the darks

1 files changed, 5 insertions, 0 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
index 1f5cab6cd5..6f11e8427c 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/softenLightF.glsl
@@ -86,6 +86,11 @@ vec3 srgb_to_linear(vec3 cs)
     cl = {
         {  ((cs + 0.055)/1.055)^2.4,   cs >  0.04045*/
 
+	vec3 low_range = cs / vec3(12.92);
+
+	if (((cs.r + cs.g + cs.b) / 3) <= 0.04045)
+		return low_range;
+
 	return pow((cs+vec3(0.055))/vec3(1.055), vec3(2.4));
 }