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

2 files changed, 15 insertions, 0 deletions

diff --git a/indra/newview/app_settings/shaders/class1/avatar/avatarSkinV.glsl b/indra/newview/app_settings/shaders/class1/avatar/avatarSkinV.glsl
index bc63d07d72..767fad016c 100755
--- a/indra/newview/app_settings/shaders/class1/avatar/avatarSkinV.glsl
+++ b/indra/newview/app_settings/shaders/class1/avatar/avatarSkinV.glsl
@@ -40,4 +40,10 @@ mat4 getSkinnedTransform()
 	ret[3] = vec4(0,0,0,1);
 
 	return ret;
+
+#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.
+	vec4 dummy1 = matrixPalette[0];
+	vec4 dummy2 = matrixPalette[44];
+#endif
 }
diff --git a/indra/newview/app_settings/shaders/class1/avatar/objectSkinV.glsl b/indra/newview/app_settings/shaders/class1/avatar/objectSkinV.glsl
index 57129c3bd1..6cd38d8ef5 100755
--- a/indra/newview/app_settings/shaders/class1/avatar/objectSkinV.glsl
+++ b/indra/newview/app_settings/shaders/class1/avatar/objectSkinV.glsl
@@ -63,5 +63,14 @@ mat4 getObjectSkinnedTransform()
 	ret[3] = vec4(trans, 1.0);
 				
 	return ret;
+
+#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.
+   mat3 dummy1 = matrixPalette[0];
+   vec3 dummy2 = translationPalette[0];
+   mat3 dummy3 = matrixPalette[51];
+   vec3 dummy4 = translationPalette[51];
+#endif
+
 }