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

3 files changed, 20 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
 }
 
diff --git a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
index 236567219b..1a464fec5d 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/multiPointLightF.glsl
@@ -161,4 +161,12 @@ void main()
 	
 	frag_color.rgb = out_col;
 	frag_color.a = 0.0;
+
+#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 = light[0];
+	vec4 dummy2 = light_col[0];
+	vec4 dummy3 = light[LIGHT_COUNT-1];
+	vec4 dummy4 = light_col[LIGHT_COUNT-1];
+#endif
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl
index 96f9628424..018ced4cad 100755
--- a/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl
@@ -99,4 +99,10 @@ void main()
 	col = col*col*blur_quad.x + col*blur_quad.y + blur_quad.z;
 	
 	frag_color.rgb = 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.
+	vec2 dummy1 = kern[0];
+	vec2 dummy2 = kern[31];
+#endif
 }