1 files changed, 69 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class3/deferred/postgiF.glsl b/indra/newview/app_settings/shaders/class3/deferred/postgiF.glsl
new file mode 100644
index 0000000000..901b60af59
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class3/deferred/postgiF.glsl
@@ -0,0 +1,69 @@
+/** 
+ * @file postgiF.glsl
+ *
+ * Copyright (c) 2007-$CurrentYear$, Linden Research, Inc.
+ * $License$
+ */
+
+#extension GL_ARB_texture_rectangle : enable
+
+uniform sampler2DRect depthMap;
+uniform sampler2DRect normalMap;
+uniform sampler2DRect giLightMap;
+uniform sampler2D	noiseMap;
+uniform sampler2D	giMip;
+uniform sampler2DRect edgeMap;
+
+
+uniform vec2 delta;
+uniform float kern_scale;
+uniform float gi_edge_weight;
+uniform float gi_blur_brightness;
+
+varying vec2 vary_fragcoord;
+
+void main() 
+{
+	vec2 dlt = kern_scale*delta;
+	float defined_weight = 0.0; 
+	vec3 col = vec3(0.0); 
+	
+	float e = 1.0;
+	
+	for (int i = 1; i < 8; i++)
+	{
+		vec2 tc = vary_fragcoord.xy + float(i) * dlt;
+		
+		e = max(e, 0.0);
+		float wght = e;
+		
+	   	col += texture2DRect(giLightMap, tc).rgb*wght;
+		defined_weight += wght;
+				
+		e *= e;
+		e -=(texture2DRect(edgeMap, tc.xy-dlt*0.25).a+
+			texture2DRect(edgeMap, tc.xy+dlt*0.25).a)*gi_edge_weight;
+	}
+
+	e = 1.0;
+	
+	for (int i = 1; i < 8; i++)
+	{
+		vec2 tc = vary_fragcoord.xy - float(i) * dlt;
+		
+		e = max(e,0.0);
+		float wght = e;
+		
+	   	col += texture2DRect(giLightMap, tc).rgb*wght;
+		defined_weight += wght;
+	
+		e *= e;
+		e -= (texture2DRect(edgeMap, tc.xy-dlt*0.25).a+
+			texture2DRect(edgeMap, tc.xy+dlt*0.25).a)*gi_edge_weight;
+		
+	}
+	
+	col /= max(defined_weight, 0.01);
+
+	gl_FragColor.rgb = col * gi_blur_brightness;
+}