SH-2244 Fix for artifacts with L&S enabled when using core profile.

2 files changed, 4 insertions, 4 deletions

diff --git a/indra/newview/app_settings/shaders/class3/deferred/giF.glsl b/indra/newview/app_settings/shaders/class3/deferred/giF.glsl
index dad62a074a..39975f8249 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/giF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/giF.glsl
@@ -156,7 +156,7 @@ vec3 giAmbient(vec3 pos, vec3 norm)
 						if (spec.a > 0.0)
 						{
 							float sa = dot(ha,lnorm);
-							da = texture2D(lightFunc, vec2(sa, spec.a)).a;
+							da = texture2D(lightFunc, vec2(sa, spec.a)).r;
 						}
 						else
 						{
@@ -171,7 +171,7 @@ vec3 giAmbient(vec3 pos, vec3 norm)
 							if (c_spec.a > 0.0)
 							{
 								float sa = dot(ha, gi_norm);
-								da = dist_atten*texture2D(lightFunc, vec2(sa, c_spec.a)).a;
+								da = dist_atten*texture2D(lightFunc, vec2(sa, c_spec.a)).r;
 							}
 							else
 							{
diff --git a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
index cc6d080344..338d289ab0 100644
--- a/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
+++ b/indra/newview/app_settings/shaders/class3/deferred/softenLightF.glsl
@@ -295,7 +295,7 @@ void main()
 	{
 		vec4 spec = texture2DRect(specularRect, vary_fragcoord.xy);
 	
-		da = texture2D(lightFunc, vec2(da, 0.0)).a;
+		da = texture2D(lightFunc, vec2(da, 0.0)).r;
 		
 		vec2 scol_ambocc = texture2DRect(lightMap, vary_fragcoord.xy).rg;
 		float scol = max(scol_ambocc.r, diffuse.a); 
@@ -314,7 +314,7 @@ void main()
 			//
 			vec3 refnormpersp = normalize(reflect(pos.xyz, norm.xyz));
 			float sa = dot(refnormpersp, vary_light.xyz);
-			vec3 dumbshiny = vary_SunlitColor*scol*texture2D(lightFunc, vec2(sa, spec.a)).a;
+			vec3 dumbshiny = vary_SunlitColor*scol*texture2D(lightFunc, vec2(sa, spec.a)).r;
 		
 			// add the two types of shiny together
 			vec3 spec_contrib = dumbshiny * spec.rgb;