SH-2507 Shave some unused/redundant varying state and make the max texture index debug setting rebuild shaders to use no flow control when set to 1 or lower

4 files changed, 155 insertions, 29 deletions

diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsF.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsF.glsl
index 08814b49d8..e8e56e12c1 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsF.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsF.glsl
@@ -24,25 +24,17 @@
  */
  
 
-
-VARYING vec3 vary_PositionEye;
-
 VARYING vec3 vary_SunlitColor;
-VARYING vec3 vary_AmblitColor;
 VARYING vec3 vary_AdditiveColor;
-VARYING vec3 vary_AtmosAttenuation;
+VARYING float vary_AtmosAttenuation;
 
-vec3 getPositionEye()
-{
-	return vary_PositionEye;
-}
 vec3 getSunlitColor()
 {
-	return vary_SunlitColor;
+	return vec3(0,0,0);
 }
 vec3 getAmblitColor()
 {
-	return vary_AmblitColor;
+	return vec3(0,0,0);
 }
 vec3 getAdditiveColor()
 {
@@ -50,5 +42,5 @@ vec3 getAdditiveColor()
 }
 vec3 getAtmosAttenuation()
 {
-	return vary_AtmosAttenuation;
+	return vec3(vary_AtmosAttenuation);
 }
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsV.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsV.glsl
index 514f009add..01605e5b25 100644
--- a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsV.glsl
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsV.glsl
@@ -24,49 +24,50 @@
  */
  
 
-
-VARYING vec3 vary_PositionEye;
-
-VARYING vec3 vary_SunlitColor;
-VARYING vec3 vary_AmblitColor;
 VARYING vec3 vary_AdditiveColor;
-VARYING vec3 vary_AtmosAttenuation;
+VARYING float vary_AtmosAttenuation;
+
+vec3 atmos_attenuation;
+vec3 sunlit_color;
+vec3 amblit_color;
+vec3 position_eye;
 
-vec3 getPositionEye()
-{
-	return vary_PositionEye;
-}
 vec3 getSunlitColor()
 {
-	return vary_SunlitColor;
+	return sunlit_color;
 }
 vec3 getAmblitColor()
 {
-	return vary_AmblitColor;
+	return amblit_color;
 }
+
 vec3 getAdditiveColor()
 {
 	return vary_AdditiveColor;
 }
 vec3 getAtmosAttenuation()
 {
-	return vary_AtmosAttenuation;
+	return atmos_attenuation;
 }
 
+vec3 getPositionEye()
+{
+	return position_eye;
+}
 
 void setPositionEye(vec3 v)
 {
-	vary_PositionEye = v;
+	position_eye = v;
 }
 
 void setSunlitColor(vec3 v)
 {
-	vary_SunlitColor = v;
+	sunlit_color  = v;
 }
 
 void setAmblitColor(vec3 v)
 {
-	vary_AmblitColor = v;
+	amblit_color = v;
 }
 
 void setAdditiveColor(vec3 v)
@@ -76,5 +77,6 @@ void setAdditiveColor(vec3 v)
 
 void setAtmosAttenuation(vec3 v)
 {
-	vary_AtmosAttenuation = v;
+	atmos_attenuation = v;
+	vary_AtmosAttenuation = v.r;
 }
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsWaterF.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsWaterF.glsl
new file mode 100644
index 0000000000..23046f990d
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsWaterF.glsl
@@ -0,0 +1,51 @@
+/** 
+ * @file atmosphericVarsWaterF.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
+ * $/LicenseInfo$
+ */
+ 
+VARYING vec3 vary_PositionEye;
+VARYING vec3 vary_SunlitColor;
+VARYING vec3 vary_AdditiveColor;
+VARYING float vary_AtmosAttenuation;
+
+vec3 getSunlitColor()
+{
+	return vec3(0,0,0);
+}
+vec3 getAmblitColor()
+{
+	return vec3(0,0,0);
+}
+vec3 getAdditiveColor()
+{
+	return vary_AdditiveColor;
+}
+vec3 getAtmosAttenuation()
+{
+	return vec3(vary_AtmosAttenuation);
+}
+vec3 getPositionEye()
+{
+	return vary_PositionEye;
+}
+
diff --git a/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsWaterV.glsl b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsWaterV.glsl
new file mode 100644
index 0000000000..279c4dd981
--- /dev/null
+++ b/indra/newview/app_settings/shaders/class2/windlight/atmosphericsVarsWaterV.glsl
@@ -0,0 +1,81 @@
+/** 
+ * @file atmosphericVarsWaterV.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
+ * $/LicenseInfo$
+ */
+ 
+VARYING vec3 vary_PositionEye;
+VARYING vec3 vary_AdditiveColor;
+VARYING float vary_AtmosAttenuation;
+
+vec3 atmos_attenuation;
+vec3 sunlit_color;
+vec3 amblit_color;
+
+vec3 getSunlitColor()
+{
+	return sunlit_color;
+}
+vec3 getAmblitColor()
+{
+	return amblit_color;
+}
+
+vec3 getAdditiveColor()
+{
+	return vary_AdditiveColor;
+}
+vec3 getAtmosAttenuation()
+{
+	return atmos_attenuation;
+}
+
+vec3 getPositionEye()
+{
+	return vary_PositionEye;
+}
+
+void setPositionEye(vec3 v)
+{
+	vary_PositionEye = v;
+}
+
+void setSunlitColor(vec3 v)
+{
+	sunlit_color  = v;
+}
+
+void setAmblitColor(vec3 v)
+{
+	amblit_color = v;
+}
+
+void setAdditiveColor(vec3 v)
+{
+	vary_AdditiveColor = v;
+}
+
+void setAtmosAttenuation(vec3 v)
+{
+	atmos_attenuation = v;
+	vary_AtmosAttenuation = v.r;
+}