SH-2592 PROGRESS -- (OS X Lion) Graphics issues with Atmospheric Shaders enabled on Intel HD 3000, 10.7.2

Refactored WindLight estate settings to use float uniforms in the shaders that
only need it, rather than vec4's for everything.

1 files changed, 4 insertions, 5 deletions

diff --git a/indra/newview/llwlparammanager.h b/indra/newview/llwlparammanager.h
index bc984b9126..72422500fc 100644
--- a/indra/newview/llwlparammanager.h
+++ b/indra/newview/llwlparammanager.h
@@ -102,9 +102,8 @@ struct WLFloatControl {
 	{
 	}
 
-	inline WLFloatControl & operator = (LLVector4 const & val) {
-		x = val.mV[0];
-
+	inline WLFloatControl & operator = (F32 val) {
+		x = val;
 		return *this;
 	}
 
@@ -340,10 +339,10 @@ public:
 	
 	/// Atmospherics
 	WLColorControl mBlueHorizon;
-	WLColorControl mHazeDensity;
+	WLFloatControl mHazeDensity;
 	WLColorControl mBlueDensity;
 	WLFloatControl mDensityMult;
-	WLColorControl mHazeHorizon;
+	WLFloatControl mHazeHorizon;
 	WLFloatControl mMaxAlt;
 
 	/// Lighting