v-r to drano merge conflicts wip

9 files changed, 347 insertions, 300 deletions

diff --git a/indra/newview/app_settings/cmd_line.xml b/indra/newview/app_settings/cmd_line.xml
index 15434f2b8f..be79f91919 100644
--- a/indra/newview/app_settings/cmd_line.xml
+++ b/indra/newview/app_settings/cmd_line.xml
@@ -1,45 +1,101 @@
 <?xml version="1.0"?>
 <llsd>
   <map>
-    <key>help</key>
+    <!-- Please insert new keys in alphabetical order. -->
+    <key>analyzeperformance</key>
     <map>
       <key>desc</key>
-      <string>display this help message</string>
+      <string>When used in conjunction with logperformance, analyzes result of log against baseline.</string>
+      <key>map-to</key>
+      <string>AnalyzePerformance</string>
+    </map>
 
-      <key>short</key>
-      <string>h</string>
+    <key>autologin</key>
+    <map>
+      <key>desc</key>
+      <string>log in as last saved user</string>
+      <key>map-to</key>
+      <string>AutoLogin</string>
     </map>
 
-    <key>port</key>
+    <key>channel</key>
     <map>
       <key>count</key>
       <integer>1</integer>
-      <key>map-to</key>
-      <string>UserConnectionPort</string>
+      <!-- Special case. Not mapped to a setting. -->
     </map>
 
-    <key>drop</key>
+    <key>console</key>
     <map>
       <key>count</key>
       <integer>1</integer>
       <key>map-to</key>
-      <string>PacketDropPercentage</string>
+      <string>ShowConsoleWindow</string>
     </map>
 
-    <key>inbw</key>
+    <key>cooperative</key>
     <map>
+      <key>desc</key>
+      <string>Yield some idle time to local host.</string>
       <key>count</key>
       <integer>1</integer>
       <key>map-to</key>
-      <string>InBandwidth</string>
+      <string>YieldTime</string>
     </map>
 
-    <key>outbw</key>
+    <key>crashonstartup</key>
+    <map>
+      <key>desc</key>
+      <string>Crashes on startup. For QA use.</string>
+      <key>map-to</key>
+      <string>CrashOnStartup</string>
+    </map>
+
+    <key>debugsession</key>
+    <map>
+      <key>desc</key>
+      <string>Run as if RenderDebugGL is TRUE, but log errors until end of session.</string>
+      <key>map-to</key>
+      <string>DebugSession</string>
+    </map>
+
+    <key>debugviews</key>
+    <map>
+      <key>map-to</key>
+      <string>DebugViews</string>
+    </map>
+
+    <key>disablecrashlogger</key>
+    <map>
+      <key>desc</key>
+      <string>Disables the crash logger and lets the OS handle crashes</string>
+      <key>map-to</key>
+      <string>DisableCrashLogger</string>
+    </map>
+
+    <key>drop</key>
     <map>
       <key>count</key>
       <integer>1</integer>
       <key>map-to</key>
-      <string>OutBandwidth</string>
+      <string>PacketDropPercentage</string>
+    </map>
+
+    <key>god</key>
+    <map>
+      <key>desc</key>
+      <string>Log in a god if you have god access.</string>
+      <key>map-to</key>
+      <string>ConnectAsGod</string>
+    </map>
+
+    <key>graphicslevel</key>
+    <map>
+      <key>desc</key>
+      <string>Set the detail level. 
+0 - low, 1 - medium, 2 - high, 3 - ultra</string>
+      <key>count</key>
+      <integer>1</integer>
     </map>
 
     <key>grid</key>
@@ -52,16 +108,13 @@
       <string>CmdLineGridChoice</string>
     </map>
 
-    <key>loginuri</key>
+    <key>help</key>
     <map>
       <key>desc</key>
-      <string>login server and CGI script to use</string>
-      <key>count</key>
-      <integer>1</integer>
-      <key>compose</key>
-      <boolean>true</boolean>
-      <key>map-to</key>
-      <string>CmdLineLoginURI</string>
+      <string>display this help message</string>
+
+      <key>short</key>
+      <string>h</string>
     </map>
 
     <key>helperuri</key>
@@ -74,44 +127,73 @@
       <string>CmdLineHelperURI</string>
     </map>
 
-    <key>debugviews</key>
+    <key>ignorepixeldepth</key>
     <map>
+      <key>desc</key>
+      <string>Ignore pixel depth settings.</string>
       <key>map-to</key>
-      <string>DebugViews</string>
+      <string>IgnorePixelDepth</string>
     </map>
 
-    <key>skin</key>
+    <key>inbw</key>
+    <map>
+      <key>count</key>
+      <integer>1</integer>
+      <key>map-to</key>
+      <string>InBandwidth</string>
+    </map>
+
+    <key>leap</key>
     <map>
       <key>desc</key>
-      <string>ui/branding skin folder to use</string>
+      <string>command line to run an LLSD Event API Plugin</string>
       <key>count</key>
       <integer>1</integer>
+      <!-- you can specify multiple such plugins -->
+      <key>compose</key>
+      <boolean>true</boolean>
       <key>map-to</key>
-      <string>SkinFolder</string>
+      <string>LeapCommand</string>
     </map>
 
-    <key>autologin</key>
+    <key>logfile</key>
+    <map>
+      <key>count</key>
+      <integer>1</integer>
+      <key>map-to</key>
+      <string>UserLogFile</string>
+    </map>
+    
+    <key>login</key>
     <map>
       <key>desc</key>
-      <string>log in as last saved user</string>
+      <string>3 tokens: first, last and password</string>
+      <key>count</key>
+      <integer>3</integer>
       <key>map-to</key>
-      <string>AutoLogin</string>
+      <string>UserLoginInfo</string>
     </map>
 
-    <key>quitafter</key>
+    <key>loginpage</key>
     <map>
+      <key>desc</key>
+      <string>Login authentication page to use.</string>
       <key>count</key>
       <integer>1</integer>
       <key>map-to</key>
-      <string>QuitAfterSeconds</string>
+      <string>LoginPage</string>
     </map>
 
-    <key>logperformance</key>
+    <key>loginuri</key>
     <map>
       <key>desc</key>
-      <string>Log performance metrics for benchmarking</string>
+      <string>login server and CGI script to use</string>
+      <key>count</key>
+      <integer>1</integer>
+      <key>compose</key>
+      <boolean>true</boolean>
       <key>map-to</key>
-      <string>LogPerformance</string>
+      <string>CmdLineLoginURI</string>
     </map>
 
     <key>logmetrics</key>
@@ -123,29 +205,35 @@
       <key>map-to</key>
       <string>LogMetrics</string>
     </map>
-    
-    <key>analyzeperformance</key>
+
+    <key>logperformance</key>
     <map>
       <key>desc</key>
-      <string>When used in conjunction with logperformance, analyzes result of log against baseline.</string>
+      <string>Log performance metrics for benchmarking</string>
       <key>map-to</key>
-      <string>AnalyzePerformance</string>
+      <string>LogPerformance</string>
     </map>
 
-    <key>debugsession</key>
+    <key>multiple</key>		  
     <map>
       <key>desc</key>
-      <string>Run as if RenderDebugGL is TRUE, but log errors until end of session.</string>
+      <string>Allow multiple viewers.</string>
       <key>map-to</key>
-      <string>DebugSession</string>
+      <string>AllowMultipleViewers</string>
     </map>
 
-    <key>replaysession</key>
+    <key>noaudio</key>
+    <map>
+      <key>map-to</key>
+      <string>NoAudio</string>
+    </map>
+
+    <key>noinvlib</key>
     <map>
       <key>desc</key>
-      <string>After login, replay last recorded session and quit.</string>
+      <string>Do not request the inventory library.</string>
       <key>map-to</key>
-      <string>ReplaySession</string>
+      <string>NoInventoryLibrary</string>
     </map>
 
     <key>nonotifications</key>
@@ -156,22 +244,10 @@
       <string>IgnoreAllNotifications</string>      
     </map>    
 
-    <key>rotate</key>
-    <map>
-      <key>map-to</key>
-      <string>RotateRight</string>
-    </map>
-
-    <key>noaudio</key>
-    <map>
-      <key>map-to</key>
-      <string>NoAudio</string>
-    </map>
-
-    <key>nosound</key>
+    <key>nopreload</key>
     <map>
       <key>map-to</key>
-      <string>NoAudio</string>
+      <string>NoPreload</string>
     </map>
 
     <key>noprobe</key>
@@ -186,151 +262,134 @@
       <string>NoQuickTime</string>
     </map>
 
-    <key>nopreload</key>
+    <key>nosound</key>
     <map>
       <key>map-to</key>
-      <string>NoPreload</string>
+      <string>NoAudio</string>
     </map>
 
-    <key>purge</key>
+    <key>no-verify-ssl-cert</key>
     <map>
-      <key>desc</key>
-      <string>Delete files in the cache.</string>
       <key>map-to</key>
-      <string>PurgeCacheOnNextStartup</string>
+      <string>NoVerifySSLCert</string>
     </map>
 
-    <key>noinvlib</key>
+    <key>novoice</key>
     <map>
       <key>desc</key>
-      <string>Do not request the inventory library.</string>
+      <string>Disable voice.</string>
       <key>map-to</key>
-      <string>NoInventoryLibrary</string>
+      <string>CmdLineDisableVoice</string>
     </map>
 
-    <key>logfile</key>
+    <key>outbw</key>
     <map>
       <key>count</key>
       <integer>1</integer>
       <key>map-to</key>
-      <string>UserLogFile</string>
+      <string>OutBandwidth</string>
     </map>
 
-    <key>graphicslevel</key>
+    <key>port</key>
     <map>
-      <key>desc</key>
-      <string>Set the detail level. 
-0 - low, 1 - medium, 2 - high, 3 - ultra</string>
       <key>count</key>
       <integer>1</integer>
+      <key>map-to</key>
+      <string>UserConnectionPort</string>
     </map>
 
-    <key>setdefault</key>
+    <key>purge</key>
     <map>
       <key>desc</key>
-      <string>specify the value of a particular configuration variable which can be overridden by settings.xml.</string>
-      <key>count</key>
-      <integer>2</integer>
-      <!-- Special case. Mapped to settings procedurally. -->
+      <string>Delete files in the cache.</string>
+      <key>map-to</key>
+      <string>PurgeCacheOnNextStartup</string>
     </map>
 
-    <key>set</key>
+    <key>qa</key>
     <map>
       <key>desc</key>
-      <string>specify the value of a particular configuration variable that overrides all other settings.</string>
-      <key>count</key>
-      <integer>2</integer>
-      <key>compose</key>
-      <boolean>true</boolean>
-      <!-- Special case. Mapped to settings procedurally. -->
+      <string>Activated debugging menu in Advanced Settings.</string>
+      <key>map-to</key>
+      <string>QAMode</string>
     </map>
 
-    <key>settings</key>
+    <key>quitafter</key>
     <map>
-      <key>desc</key>
-      <string>Specify the filename of a configuration file.</string>
       <key>count</key>
       <integer>1</integer>
-      <!-- Special case. Mapped to settings procedurally. -->
+      <key>map-to</key>
+      <string>QuitAfterSeconds</string>
     </map>
-
-    <key>sessionsettings</key>
+    
+    <key>replaysession</key>
     <map>
       <key>desc</key>
-      <string>Specify the filename of a configuration file that contains temporary per-session configuration overrides.</string>
-      <key>count</key>
-      <integer>1</integer>
-      <!-- Special case. Mapped to settings procedurally. -->
+      <string>After login, replay last recorded session and quit.</string>
+      <key>map-to</key>
+      <string>ReplaySession</string>
     </map>
 
-    <key>usersessionsettings</key>
-    <map>
-      <key>desc</key>
-      <string>Specify the filename of a configuration file that contains temporary per-session configuration user overrides.</string>
-      <key>count</key>
-      <integer>1</integer>
-      <!-- Special case. Mapped to settings procedurally. -->
-    </map>
-    
-    <key>login</key>
+    <key>rotate</key>
     <map>
-      <key>desc</key>
-      <string>3 tokens: first, last and password</string>
-      <key>count</key>
-      <integer>3</integer>
       <key>map-to</key>
-      <string>UserLoginInfo</string>
+      <string>RotateRight</string>
     </map>
 
-    <key>god</key>
+    <key>safe</key>
     <map>
       <key>desc</key>
-      <string>Log in a god if you have god access.</string>
+      <string>Reset preferences, run in safe mode.</string>
       <key>map-to</key>
-      <string>ConnectAsGod</string>
+      <string>SafeMode</string>
     </map>
 
-    <key>console</key>
+    <key>sessionsettings</key>
     <map>
+      <key>desc</key>
+      <string>Specify the filename of a configuration file that contains temporary per-session configuration overrides.</string>
       <key>count</key>
       <integer>1</integer>
-      <key>map-to</key>
-      <string>ShowConsoleWindow</string>
+      <!-- Special case. Mapped to settings procedurally. -->
     </map>
 
-    <key>safe</key>
+    <key>set</key>
     <map>
       <key>desc</key>
-      <string>Reset preferences, run in safe mode.</string>
-      <key>map-to</key>
-      <string>SafeMode</string>
+      <string>specify the value of a particular configuration variable that overrides all other settings.</string>
+      <key>count</key>
+      <integer>2</integer>
+      <key>compose</key>
+      <boolean>true</boolean>
+      <!-- Special case. Mapped to settings procedurally. -->
     </map>
 
-    <key>multiple</key>		  
+    <key>setdefault</key>
     <map>
       <key>desc</key>
-      <string>Allow multiple viewers.</string>
-      <key>map-to</key>
-      <string>AllowMultipleViewers</string>
+      <string>specify the value of a particular configuration variable which can be overridden by settings.xml.</string>
+      <key>count</key>
+      <integer>2</integer>
+      <!-- Special case. Mapped to settings procedurally. -->
     </map>
 
-    <key>novoice</key>
+    <key>settings</key>
     <map>
       <key>desc</key>
-      <string>Disable voice.</string>
-      <key>map-to</key>
-      <string>CmdLineDisableVoice</string>
+      <string>Specify the filename of a configuration file.</string>
+      <key>count</key>
+      <integer>1</integer>
+      <!-- Special case. Mapped to settings procedurally. -->
     </map>
 
-    <key>url</key>
+    <key>skin</key>
     <map>
       <key>desc</key>
-      <string>Startup location</string>            
+      <string>ui/branding skin folder to use</string>
       <key>count</key>
       <integer>1</integer>
-      <key>last_option</key>
-      <boolean>true</boolean>
-      <!-- Special case. Not mapped to a setting. -->
+      <key>map-to</key>
+      <string>SkinFolder</string>
     </map>
 
     <key>slurl</key>
@@ -346,69 +405,24 @@
       <!-- Special case. Not mapped to a setting. -->
     </map>
 
-    <key>ignorepixeldepth</key>
-    <map>
-      <key>desc</key>
-      <string>Ignore pixel depth settings.</string>
-      <key>map-to</key>
-      <string>IgnorePixelDepth</string>
-    </map>
-
-    <key>cooperative</key>
+    <key>url</key>
     <map>
       <key>desc</key>
-      <string>Yield some idle time to local host.</string>
-      <key>count</key>
-      <integer>1</integer>
-      <key>map-to</key>
-      <string>YieldTime</string>
-    </map>
-
-    <key>no-verify-ssl-cert</key>
-    <map>
-      <key>map-to</key>
-      <string>NoVerifySSLCert</string>
-    </map>
-
-    <key>channel</key>
-    <map>
+      <string>Startup location</string>            
       <key>count</key>
       <integer>1</integer>
+      <key>last_option</key>
+      <boolean>true</boolean>
       <!-- Special case. Not mapped to a setting. -->
     </map>
 
-    <key>loginpage</key>
+    <key>usersessionsettings</key>
     <map>
       <key>desc</key>
-      <string>Login authentication page to use.</string>
+      <string>Specify the filename of a configuration file that contains temporary per-session configuration user overrides.</string>
       <key>count</key>
       <integer>1</integer>
-      <key>map-to</key>
-      <string>LoginPage</string>
-    </map>
-
-    <key>qa</key>
-    <map>
-      <key>desc</key>
-      <string>Activated debugging menu in Advanced Settings.</string>
-      <key>map-to</key>
-      <string>QAMode</string>
-    </map>
-
-    <key>crashonstartup</key>
-    <map>
-      <key>desc</key>
-      <string>Crashes on startup. For QA use.</string>
-      <key>map-to</key>
-      <string>CrashOnStartup</string>
-    </map>
-
-    <key>disablecrashlogger</key>
-    <map>
-      <key>desc</key>
-      <string>Disables the crash logger and lets the OS handle crashes</string>
-      <key>map-to</key>
-      <string>DisableCrashLogger</string>
+      <!-- Special case. Mapped to settings procedurally. -->
     </map>
   </map>
 </llsd>
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 1911943842..adfe6361db 100755
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -4601,6 +4601,17 @@
       <key>Value</key>
       <integer>0</integer>
     </map>
+    <key>LeapCommand</key>
+    <map>
+      <key>Comment</key>
+      <string>Zero or more command lines to run LLSD Event API Plugin programs.</string>
+      <key>Persist</key>
+      <integer>0</integer>
+      <key>Type</key>
+      <string>LLSD</string>
+      <key>Value</key>
+      <array />
+    </map>
     <key>LSLFindCaseInsensitivity</key>
         <map>
         <key>Comment</key>
@@ -7164,7 +7175,7 @@
     <key>QAModeEventHostPort</key>
     <map>
       <key>Comment</key>
-      <string>Port on which lleventhost should listen</string>
+      <string>DEPRECATED: Port on which lleventhost should listen</string>
       <key>Persist</key>
       <integer>0</integer>
       <key>Type</key>
@@ -7642,6 +7653,17 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
+  <key>RenderCompressTextures</key>
+  <map>
+    <key>Comment</key>
+    <string>Enable texture compression on OpenGL 3.0 and later implementations (EXPERIMENTAL, requires restart)</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>Boolean</string>
+    <key>Value</key>
+    <integer>0</integer>
+  </map>
     <key>RenderPerformanceTest</key>
     <map>
       <key>Comment</key>
@@ -9134,28 +9156,19 @@
     <key>Value</key>
     <integer>0</integer>
   </map>
-    <key>RenderUseShaderLOD</key>
-    <map>
-      <key>Comment</key>
-      <string>Whether we want to have different shaders for LOD</string>
-      <key>Persist</key>
-      <integer>1</integer>
-      <key>Type</key>
-      <string>Boolean</string>
-      <key>Value</key>
-      <integer>1</integer>
-    </map>
-    <key>RenderUseShaderNearParticles</key>
-    <map>
-      <key>Comment</key>
-      <string>Whether we want to use shaders on near particles</string>
-      <key>Persist</key>
-      <integer>1</integer>
-      <key>Type</key>
-      <string>Boolean</string>
-      <key>Value</key>
-      <integer>0</integer>
-    </map>
+    
+  <key>RenderAutoHideSurfaceAreaLimit</key>
+  <map>
+    <key>Comment</key>
+    <string>Maximum surface area of a set of proximal objects inworld before automatically hiding geometry to prevent system overload.</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>F32</string>
+    <key>Value</key>
+    <integer>0</integer>
+  </map>
+
     <key>RenderVBOEnable</key>
     <map>
       <key>Comment</key>
diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl
index cf8cf8364a..bced4a5577 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskF.glsl
@@ -29,11 +29,11 @@ out vec4 frag_color;
 #define frag_color gl_FragColor
 #endif
 
-uniform float minimum_alpha;
-
 uniform sampler2D diffuseMap;
 
-VARYING vec4 post_pos;
+VARYING float pos_zd2;
+VARYING float pos_w;
+VARYING float target_pos_x;
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
@@ -41,12 +41,20 @@ void main()
 {
 	float alpha = diffuseLookup(vary_texcoord0.xy).a * vertex_color.a;
 
-	if (alpha < minimum_alpha)
+	if (alpha < 0.05) // treat as totally transparent
 	{
 		discard;
 	}
 
+	if (alpha < 0.88) // treat as semi-transparent
+	{
+	  if (fract(0.5*floor(target_pos_x / pos_w )) < 0.25)
+	  {
+	    discard;
+	  }
+	}
+
 	frag_color = vec4(1,1,1,1);
 	
-	gl_FragDepth = max(post_pos.z/post_pos.w*0.5+0.5, 0.0);
+	gl_FragDepth = max(pos_zd2/pos_w+0.5, 0.0);
 }
diff --git a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskV.glsl b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskV.glsl
index 7d3b06c56e..c1f2d90712 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/shadowAlphaMaskV.glsl
@@ -25,12 +25,15 @@
 
 uniform mat4 texture_matrix0;
 uniform mat4 modelview_projection_matrix;
+uniform float shadow_target_width;
 
 ATTRIBUTE vec3 position;
 ATTRIBUTE vec4 diffuse_color;
 ATTRIBUTE vec2 texcoord0;
 
-VARYING vec4 post_pos;
+VARYING float pos_zd2;
+VARYING float pos_w;
+VARYING float target_pos_x;
 VARYING vec4 vertex_color;
 VARYING vec2 vary_texcoord0;
 
@@ -39,8 +42,11 @@ void passTextureIndex();
 void main()
 {
 	//transform vertex
-	vec4 pos = modelview_projection_matrix*vec4(position.xyz, 1.0);
-	post_pos = pos;
+	vec4 pre_pos = vec4(position.xyz, 1.0);
+	vec4 pos = modelview_projection_matrix * pre_pos;
+	target_pos_x = 0.5 * (shadow_target_width - 1.0) * pos.x;
+	pos_w = pos.w;
+	pos_zd2 = pos.z * 0.5;
 	
 	gl_Position = vec4(pos.x, pos.y, pos.w*0.5, pos.w);
 	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
index 08f6ec63fe..8db4cb58cf 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaF.glsl
@@ -58,20 +58,22 @@ uniform float shadow_bias;
 
 uniform mat4 inv_proj;
 
-float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
+float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc)
 {
 	stc.xyz /= stc.w;
 	stc.z += shadow_bias;
+
+	stc.x = floor(stc.x + fract(stc.y*12345)); // add some chaotic jitter to X sample pos according to Y to disguise the snapping going on here
 	
 	float cs = shadow2DRect(shadowMap, stc.xyz).x;
 	float shadow = cs;
 
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(scl, scl, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(scl, -scl, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-scl, scl, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-scl, -scl, 0.0)).x, cs);
-			
-	return shadow/5.0;
+        shadow += shadow2DRect(shadowMap, stc.xyz+vec3(2.0, 1.5, 0.0)).x;
+        shadow += shadow2DRect(shadowMap, stc.xyz+vec3(1.0, -1.5, 0.0)).x;
+        shadow += shadow2DRect(shadowMap, stc.xyz+vec3(-1.0, 1.5, 0.0)).x;
+        shadow += shadow2DRect(shadowMap, stc.xyz+vec3(-2.0, -1.5, 0.0)).x;
+                        
+        return shadow*0.2;
 }
 
 
@@ -101,7 +103,7 @@ void main()
 
 			float w = 1.0;
 			w -= max(spos.z-far_split.z, 0.0)/transition_domain.z;
-			shadow += pcfShadow(shadowMap3, lpos, 0.25)*w;
+			shadow += pcfShadow(shadowMap3, lpos)*w;
 			weight += w;
 			shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
 		}
@@ -114,7 +116,7 @@ void main()
 			float w = 1.0;
 			w -= max(spos.z-far_split.y, 0.0)/transition_domain.y;
 			w -= max(near_split.z-spos.z, 0.0)/transition_domain.z;
-			shadow += pcfShadow(shadowMap2, lpos, 0.75)*w;
+			shadow += pcfShadow(shadowMap2, lpos)*w;
 			weight += w;
 		}
 
@@ -126,7 +128,7 @@ void main()
 			float w = 1.0;
 			w -= max(spos.z-far_split.x, 0.0)/transition_domain.x;
 			w -= max(near_split.y-spos.z, 0.0)/transition_domain.y;
-			shadow += pcfShadow(shadowMap1, lpos, 0.75)*w;
+			shadow += pcfShadow(shadowMap1, lpos)*w;
 			weight += w;
 		}
 
@@ -138,7 +140,7 @@ void main()
 			float w = 1.0;
 			w -= max(near_split.x-spos.z, 0.0)/transition_domain.x;
 				
-			shadow += pcfShadow(shadowMap0, lpos, 1.0)*w;
+			shadow += pcfShadow(shadowMap0, lpos)*w;
 			weight += w;
 		}
 		
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedF.glsl
index aae6a070e2..33958a5010 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedF.glsl
@@ -71,20 +71,22 @@ vec4 getPosition(vec2 pos_screen)
 	return pos;
 }
 
-float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
+float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc)
 {
 	stc.xyz /= stc.w;
 	stc.z += shadow_bias;
+
+	stc.x = floor(stc.x + fract(stc.y*12345)); // add some chaotic jitter to X sample pos according to Y to disguise the snapping going on here
 	
 	float cs = shadow2DRect(shadowMap, stc.xyz).x;
 	float shadow = cs;
 
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(scl, scl, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(scl, -scl, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-scl, scl, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-scl, -scl, 0.0)).x, cs);
-			
-	return shadow/5.0;
+        shadow += shadow2DRect(shadowMap, stc.xyz+vec3(2.0, 1.5, 0.0)).x;
+        shadow += shadow2DRect(shadowMap, stc.xyz+vec3(1.0, -1.5, 0.0)).x;
+        shadow += shadow2DRect(shadowMap, stc.xyz+vec3(-1.0, 1.5, 0.0)).x;
+        shadow += shadow2DRect(shadowMap, stc.xyz+vec3(-2.0, -1.5, 0.0)).x;
+                        
+        return shadow*0.2;
 }
 
 
@@ -114,7 +116,7 @@ void main()
 
 			float w = 1.0;
 			w -= max(spos.z-far_split.z, 0.0)/transition_domain.z;
-			shadow += pcfShadow(shadowMap3, lpos, 0.25)*w;
+			shadow += pcfShadow(shadowMap3, lpos)*w;
 			weight += w;
 			shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
 		}
@@ -127,7 +129,7 @@ void main()
 			float w = 1.0;
 			w -= max(spos.z-far_split.y, 0.0)/transition_domain.y;
 			w -= max(near_split.z-spos.z, 0.0)/transition_domain.z;
-			shadow += pcfShadow(shadowMap2, lpos, 0.75)*w;
+			shadow += pcfShadow(shadowMap2, lpos)*w;
 			weight += w;
 		}
 
@@ -139,7 +141,7 @@ void main()
 			float w = 1.0;
 			w -= max(spos.z-far_split.x, 0.0)/transition_domain.x;
 			w -= max(near_split.y-spos.z, 0.0)/transition_domain.y;
-			shadow += pcfShadow(shadowMap1, lpos, 0.75)*w;
+			shadow += pcfShadow(shadowMap1, lpos)*w;
 			weight += w;
 		}
 
@@ -151,7 +153,7 @@ void main()
 			float w = 1.0;
 			w -= max(near_split.x-spos.z, 0.0)/transition_domain.x;
 				
-			shadow += pcfShadow(shadowMap0, lpos, 1.0)*w;
+			shadow += pcfShadow(shadowMap0, lpos)*w;
 			weight += w;
 		}
 		
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedNoColorF.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedNoColorF.glsl
index 931577359e..ba6f3ace53 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedNoColorF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaNonIndexedNoColorF.glsl
@@ -70,20 +70,22 @@ vec4 getPosition(vec2 pos_screen)
 	return pos;
 }
 
-float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
+float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc)
 {
 	stc.xyz /= stc.w;
 	stc.z += shadow_bias;
+
+	stc.x = floor(stc.x + fract(stc.y*12345)); // add some chaotic jitter to X sample pos according to Y to disguise the snapping going on here
 	
 	float cs = shadow2DRect(shadowMap, stc.xyz).x;
 	float shadow = cs;
 
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(scl, scl, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(scl, -scl, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-scl, scl, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-scl, -scl, 0.0)).x, cs);
-			
-	return shadow/5.0;
+        shadow += shadow2DRect(shadowMap, stc.xyz+vec3(2.0, 1.5, 0.0)).x;
+        shadow += shadow2DRect(shadowMap, stc.xyz+vec3(1.0, -1.5, 0.0)).x;
+        shadow += shadow2DRect(shadowMap, stc.xyz+vec3(-1.0, 1.5, 0.0)).x;
+        shadow += shadow2DRect(shadowMap, stc.xyz+vec3(-2.0, -1.5, 0.0)).x;
+                        
+        return shadow*0.2;
 }
 
 
@@ -113,7 +115,7 @@ void main()
 
 			float w = 1.0;
 			w -= max(spos.z-far_split.z, 0.0)/transition_domain.z;
-			shadow += pcfShadow(shadowMap3, lpos, 0.25)*w;
+			shadow += pcfShadow(shadowMap3, lpos)*w;
 			weight += w;
 			shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
 		}
@@ -126,7 +128,7 @@ void main()
 			float w = 1.0;
 			w -= max(spos.z-far_split.y, 0.0)/transition_domain.y;
 			w -= max(near_split.z-spos.z, 0.0)/transition_domain.z;
-			shadow += pcfShadow(shadowMap2, lpos, 0.75)*w;
+			shadow += pcfShadow(shadowMap2, lpos)*w;
 			weight += w;
 		}
 
@@ -138,7 +140,7 @@ void main()
 			float w = 1.0;
 			w -= max(spos.z-far_split.x, 0.0)/transition_domain.x;
 			w -= max(near_split.y-spos.z, 0.0)/transition_domain.y;
-			shadow += pcfShadow(shadowMap1, lpos, 0.75)*w;
+			shadow += pcfShadow(shadowMap1, lpos)*w;
 			weight += w;
 		}
 
@@ -150,7 +152,7 @@ void main()
 			float w = 1.0;
 			w -= max(near_split.x-spos.z, 0.0)/transition_domain.x;
 				
-			shadow += pcfShadow(shadowMap0, lpos, 1.0)*w;
+			shadow += pcfShadow(shadowMap0, lpos)*w;
 			weight += w;
 		}
 		
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
index 8c4ccf9cb3..db3d760359 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightF.glsl
@@ -78,42 +78,42 @@ vec4 getPosition(vec2 pos_screen)
 	return pos;
 }
 
-float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
+float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
 {
 	stc.xyz /= stc.w;
 	stc.z += shadow_bias*scl;
-	
+
+	stc.x = floor(stc.x + fract(pos_screen.y*0.666666666)); // add some jitter to X sample pos according to Y to disguise the snapping going on here
+
 	float cs = shadow2DRect(shadowMap, stc.xyz).x;
 	float shadow = cs;
 
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, 1.5, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, -1.5, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, 1.5, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, -1.5, 0.0)).x, cs);
+	shadow += shadow2DRect(shadowMap, stc.xyz+vec3(2.0, 1.5, 0.0)).x;
+	shadow += shadow2DRect(shadowMap, stc.xyz+vec3(1.0, -1.5, 0.0)).x;
+	shadow += shadow2DRect(shadowMap, stc.xyz+vec3(-2.0, 1.5, 0.0)).x;
+	shadow += shadow2DRect(shadowMap, stc.xyz+vec3(-1.0, -1.5, 0.0)).x;
 			
-	return shadow/5.0;
-	
-	//return shadow;
+        return shadow*0.2;
 }
 
-float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl)
+float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
 {
 	stc.xyz /= stc.w;
 	stc.z += spot_shadow_bias*scl;
+	stc.x = floor(proj_shadow_res.x * stc.x + fract(pos_screen.y*0.666666666)) / proj_shadow_res.x; // snap
 	
 	float cs = shadow2D(shadowMap, stc.xyz).x;
 	float shadow = cs;
 
-	vec2 off = 1.5/proj_shadow_res;
+	vec2 off = 1.0/proj_shadow_res;
+	off.y *= 1.5;
 	
-	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, off.y, 0.0)).x, cs);
-	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x, cs);
-	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x, cs);
-	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, -off.y, 0.0)).x, cs);
-				
-	return shadow/5.0;
-	
-	//return shadow;
+	shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x*2.0, off.y, 0.0)).x;
+	shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x;
+	shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x;
+	shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x*2.0, -off.y, 0.0)).x;
+
+        return shadow*0.2;
 }
 
 void main() 
@@ -166,7 +166,7 @@ void main()
 
 				float w = 1.0;
 				w -= max(spos.z-far_split.z, 0.0)/transition_domain.z;
-				shadow += pcfShadow(shadowMap3, lpos, 0.25)*w;
+				shadow += pcfShadow(shadowMap3, lpos, 0.25, pos_screen)*w;
 				weight += w;
 				shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
 			}
@@ -179,7 +179,7 @@ void main()
 				float w = 1.0;
 				w -= max(spos.z-far_split.y, 0.0)/transition_domain.y;
 				w -= max(near_split.z-spos.z, 0.0)/transition_domain.z;
-				shadow += pcfShadow(shadowMap2, lpos, 0.75)*w;
+				shadow += pcfShadow(shadowMap2, lpos, 0.5, pos_screen)*w;
 				weight += w;
 			}
 
@@ -191,7 +191,7 @@ void main()
 				float w = 1.0;
 				w -= max(spos.z-far_split.x, 0.0)/transition_domain.x;
 				w -= max(near_split.y-spos.z, 0.0)/transition_domain.y;
-				shadow += pcfShadow(shadowMap1, lpos, 0.75)*w;
+				shadow += pcfShadow(shadowMap1, lpos, 0.75, pos_screen)*w;
 				weight += w;
 			}
 
@@ -203,7 +203,7 @@ void main()
 				float w = 1.0;
 				w -= max(near_split.x-spos.z, 0.0)/transition_domain.x;
 				
-				shadow += pcfShadow(shadowMap0, lpos, 1.0)*w;
+				shadow += pcfShadow(shadowMap0, lpos, 1.0, pos_screen)*w;
 				weight += w;
 			}
 		
@@ -237,11 +237,11 @@ void main()
 	
 	//spotlight shadow 1
 	vec4 lpos = shadow_matrix[4]*spos;
-	frag_color[2] = pcfShadow(shadowMap4, lpos, 0.8); 
+	frag_color[2] = pcfShadow(shadowMap4, lpos, 0.8, pos_screen); 
 	
 	//spotlight shadow 2
 	lpos = shadow_matrix[5]*spos;
-	frag_color[3] = pcfShadow(shadowMap5, lpos, 0.8); 
+	frag_color[3] = pcfShadow(shadowMap5, lpos, 0.8, pos_screen); 
 
 	//frag_color.rgb = pos.xyz;
 	//frag_color.b = shadow;
diff --git a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
index 02075a7687..dfe108eb01 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/sunLightSSAOF.glsl
@@ -90,7 +90,7 @@ vec2 getKern(int i)
 	kern[5] = vec2(-0.7071, -0.7071) * 0.750*0.750;
 	kern[6] = vec2(-0.7071, 0.7071) * 0.875*0.875;
 	kern[7] = vec2(0.7071, -0.7071) * 1.000*1.000;
-	
+       
 	return kern[i];
 }
 
@@ -139,42 +139,42 @@ float calcAmbientOcclusion(vec4 pos, vec3 norm)
 	return min(ret, 1.0);
 }
 
-float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl)
+float pcfShadow(sampler2DRectShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
 {
 	stc.xyz /= stc.w;
 	stc.z += shadow_bias*scl;
+
+	stc.x = floor(stc.x + fract(pos_screen.y*0.666666666));
 	
 	float cs = shadow2DRect(shadowMap, stc.xyz).x;
 	float shadow = cs;
-
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, 1.5, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(1.5, -1.5, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, 1.5, 0.0)).x, cs);
-	shadow += max(shadow2DRect(shadowMap, stc.xyz+vec3(-1.5, -1.5, 0.0)).x, cs);
-			
-	return shadow/5.0;
 	
-	//return shadow;
+	shadow += shadow2DRect(shadowMap, stc.xyz+vec3(2.0, 1.5, 0.0)).x;
+        shadow += shadow2DRect(shadowMap, stc.xyz+vec3(1.0, -1.5, 0.0)).x;
+        shadow += shadow2DRect(shadowMap, stc.xyz+vec3(-1.0, 1.5, 0.0)).x;
+        shadow += shadow2DRect(shadowMap, stc.xyz+vec3(-2.0, -1.5, 0.0)).x;
+                        
+        return shadow*0.2;
 }
 
-float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl)
+float pcfShadow(sampler2DShadow shadowMap, vec4 stc, float scl, vec2 pos_screen)
 {
 	stc.xyz /= stc.w;
 	stc.z += spot_shadow_bias*scl;
+	stc.x = floor(proj_shadow_res.x * stc.x + fract(pos_screen.y*0.666666666)) / proj_shadow_res.x; // snap
 	
 	float cs = shadow2D(shadowMap, stc.xyz).x;
 	float shadow = cs;
 
-	vec2 off = 1.5/proj_shadow_res;
+	vec2 off = 1.0/proj_shadow_res;
+	off.y *= 1.5;
 	
-	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, off.y, 0.0)).x, cs);
-	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x, cs);
-	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x, cs);
-	shadow += max(shadow2D(shadowMap, stc.xyz+vec3(-off.x, -off.y, 0.0)).x, cs);
-	
-	return shadow/5.0;
-	
-	//return shadow;
+	shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x*2.0, off.y, 0.0)).x;
+	shadow += shadow2D(shadowMap, stc.xyz+vec3(off.x, -off.y, 0.0)).x;
+	shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x, off.y, 0.0)).x;
+	shadow += shadow2D(shadowMap, stc.xyz+vec3(-off.x*2.0, -off.y, 0.0)).x;
+
+        return shadow*0.2;
 }
 
 void main() 
@@ -227,7 +227,7 @@ void main()
 
 				float w = 1.0;
 				w -= max(spos.z-far_split.z, 0.0)/transition_domain.z;
-				shadow += pcfShadow(shadowMap3, lpos, 0.25)*w;
+				shadow += pcfShadow(shadowMap3, lpos, 0.25, pos_screen)*w;
 				weight += w;
 				shadow += max((pos.z+shadow_clip.z)/(shadow_clip.z-shadow_clip.w)*2.0-1.0, 0.0);
 			}
@@ -240,7 +240,7 @@ void main()
 				float w = 1.0;
 				w -= max(spos.z-far_split.y, 0.0)/transition_domain.y;
 				w -= max(near_split.z-spos.z, 0.0)/transition_domain.z;
-				shadow += pcfShadow(shadowMap2, lpos, 0.75)*w;
+				shadow += pcfShadow(shadowMap2, lpos, 0.5, pos_screen)*w;
 				weight += w;
 			}
 
@@ -252,7 +252,7 @@ void main()
 				float w = 1.0;
 				w -= max(spos.z-far_split.x, 0.0)/transition_domain.x;
 				w -= max(near_split.y-spos.z, 0.0)/transition_domain.y;
-				shadow += pcfShadow(shadowMap1, lpos, 0.75)*w;
+				shadow += pcfShadow(shadowMap1, lpos, 0.75, pos_screen)*w;
 				weight += w;
 			}
 
@@ -264,7 +264,7 @@ void main()
 				float w = 1.0;
 				w -= max(near_split.x-spos.z, 0.0)/transition_domain.x;
 				
-				shadow += pcfShadow(shadowMap0, lpos, 1.0)*w;
+				shadow += pcfShadow(shadowMap0, lpos, 1.0, pos_screen)*w;
 				weight += w;
 			}
 		
@@ -298,11 +298,11 @@ void main()
 	
 	//spotlight shadow 1
 	vec4 lpos = shadow_matrix[4]*spos;
-	frag_color[2] = pcfShadow(shadowMap4, lpos, 0.8); 
+	frag_color[2] = pcfShadow(shadowMap4, lpos, 0.8, pos_screen);
 	
 	//spotlight shadow 2
 	lpos = shadow_matrix[5]*spos;
-	frag_color[3] = pcfShadow(shadowMap5, lpos, 0.8); 
+	frag_color[3] = pcfShadow(shadowMap5, lpos, 0.8, pos_screen);
 
 	//frag_color.rgb = pos.xyz;
 	//frag_color.b = shadow;