STORM-2080: correct fitted mesh rendering on some ATI cards

1 files changed, 6 insertions, 0 deletions

diff --git a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
index a4f54dff70..5264d6e1b4 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/blurLightF.glsl
@@ -132,5 +132,11 @@ void main()
 	col.y *= col.y;
 	
 	frag_color = col;
+
+#ifdef IS_AMD_CARD
+	// If it's AMD make sure the GLSL compiler sees the arrays referenced once by static index. Otherwise it seems to optimise the storage awawy which leads to unfun crashes and artifacts.
+	vec3 dummy1 = kern[0];
+	vec3 dummy2 = kern[3];
+#endif
 }