From eda11a25a465dd87b187f63da661f2ce02925deb Mon Sep 17 00:00:00 2001
From: Geenz <geenz@geenzo.com>
Date: Fri, 11 Jan 2013 06:37:21 -0500
Subject: Initial (largely complete) gamma correct rendering implementation.

---
 .../app_settings/shaders/class2/windlight/atmosphericsVarsF.glsl  | 4 ++--
 .../app_settings/shaders/class2/windlight/atmosphericsVarsV.glsl  | 8 +++++---
 2 files changed, 7 insertions(+), 5 deletions(-)

(limited to 'indra/newview/app_settings/shaders/class2/windlight')

diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsF.glsl
index 765b0927c3..dd7de9f123 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsF.glsl
@@ -27,7 +27,7 @@
 VARYING vec3 vary_SunlitColor;
 VARYING vec3 vary_AdditiveColor;
 VARYING vec3 vary_AtmosAttenuation;
-
+uniform float global_gamma;
 vec3 getSunlitColor()
 {
 	return vec3(0,0,0);
@@ -38,7 +38,7 @@ vec3 getAmblitColor()
 }
 vec3 getAdditiveColor()
 {
-	return vary_AdditiveColor;
+	return pow(vary_AdditiveColor, vec3(global_gamma)) * global_gamma;
 }
 vec3 getAtmosAttenuation()
 {
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsV.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsV.glsl
index 99dbee15ee..61f3088648 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsV.glsl
@@ -33,18 +33,20 @@ vec3 sunlit_color;
 vec3 amblit_color;
 vec3 position_eye;
 
+uniform float global_gamma;
+
 vec3 getSunlitColor()
 {
-	return sunlit_color;
+	return pow(sunlit_color, vec3(global_gamma)) * global_gamma;
 }
 vec3 getAmblitColor()
 {
-	return amblit_color;
+	return pow(amblit_color, vec3(global_gamma)) * global_gamma;
 }
 
 vec3 getAdditiveColor()
 {
-	return additive_color;
+	return pow(additive_color, vec3(global_gamma)) * global_gamma;
 }
 vec3 getAtmosAttenuation()
 {
-- 
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