1 files changed, 99 insertions, 0 deletions
diff --git a/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl b/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl
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+++ b/indra/newview/app_settings/shaders/class1/deferred/postgiF.glsl
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+/** 
+ * @file postgiF.glsl
+ *
+ * $LicenseInfo:firstyear=2007&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2007, Linden Research, Inc.
+ * 
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ * 
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ * 
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
+ * $/LicenseInfo$
+ */
+
+/*[EXTRA_CODE_HERE]*/
+
+ #ifdef DEFINE_GL_FRAGCOLOR
+out vec4 frag_color;
+#else
+#define frag_color gl_FragColor
+#endif
+ 
+uniform sampler2D depthMap;
+uniform sampler2D normalMap;
+uniform sampler2D giLightMap;
+uniform sampler2D	noiseMap;
+
+uniform vec2 kern[32];
+uniform float dist_factor;
+uniform float blur_size;
+uniform vec2 delta;
+uniform int kern_length;
+uniform float kern_scale;
+uniform vec3 blur_quad;
+
+VARYING vec2 vary_fragcoord;
+
+uniform mat4 inv_proj;
+uniform vec2 screen_res;
+
+vec4 getPosition(vec2 pos_screen);
+
+void main() 
+{
+	vec3 norm = texture2D(normalMap, vary_fragcoord.xy).xyz;
+	norm = vec3((norm.xy-0.5)*2.0,norm.z); // unpack norm
+	vec3 pos = getPosition(vary_fragcoord.xy).xyz;
+	
+	vec3 ccol = texture2D(giLightMap, vary_fragcoord.xy).rgb;
+	vec2 dlt = kern_scale * delta/(1.0+norm.xy*norm.xy);
+	dlt /= max(-pos.z*dist_factor, 1.0);
+	float defined_weight = kern[0].x;
+	vec3 col = vec3(0.0);
+	
+	for (int i = 0; i < kern_length; i++)
+	{
+		vec2 tc = vary_fragcoord.xy + kern[i].y*dlt;
+		vec3 sampNorm = texture2D(normalMap, tc.xy).xyz;
+		sampNorm = vec3((sampNorm.xy-0.5)*2.0,sampNorm.z); // unpack norm
+	    
+		float d = dot(norm.xyz, sampNorm);
+		
+		if (d > 0.8)
+		{
+			vec3 samppos = getPosition(tc.xy).xyz;
+			samppos -= pos;
+			if (dot(samppos,samppos) < -0.05*pos.z)
+			{
+	    		col += texture2D(giLightMap, tc).rgb*kern[i].x;
+				defined_weight += kern[i].x;
+			}
+		}
+	}
+
+	col /= defined_weight;
+	
+	//col = ccol;
+	
+	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
+}