Merged in euclid-wip-SL12594 (pull request #3)

SL-12594, Remove ability to de-select Basic Shaders (ie disable Fixed Function rendering)

Approved-by: Bradley Payne <vir@lindenlab.com>
Approved-by: Michael Pohoreski <ptolemy@lindenlab.com>

24 files changed, 257 insertions, 371 deletions

diff --git a/indra/newview/app_settings/high_graphics.xml b/indra/newview/app_settings/high_graphics.xml
index c38b3fcda4..662f7e39dd 100644
--- a/indra/newview/app_settings/high_graphics.xml
+++ b/indra/newview/app_settings/high_graphics.xml
@@ -33,8 +33,6 @@
 	<!--Default for now-->
 	<RenderVolumeLODFactor value="1.125"/>
 	<!--NO SHADERS-->
-	<VertexShaderEnable value="TRUE"/>
-	<!--NO SHADERS-->
 	<WindLightUseAtmosShaders value="TRUE"/>
 	<!--Deferred Shading-->
 	<RenderDeferred value="FALSE"/>
diff --git a/indra/newview/app_settings/low_graphics.xml b/indra/newview/app_settings/low_graphics.xml
index df3f67a5a1..0ee8e7a059 100644
--- a/indra/newview/app_settings/low_graphics.xml
+++ b/indra/newview/app_settings/low_graphics.xml
@@ -33,8 +33,6 @@
 	<!--Default for now-->
 	<RenderVolumeLODFactor value="1.125"/>
 	<!--NO SHADERS-->
-	<VertexShaderEnable value="FALSE"/>
-	<!--NO SHADERS-->
 	<WindLightUseAtmosShaders value="FALSE"/>
 	<!--No Deferred Shading-->
 	<RenderDeferred value="FALSE"/>
diff --git a/indra/newview/app_settings/mid_graphics.xml b/indra/newview/app_settings/mid_graphics.xml
index a10c02b79f..c89e060307 100644
--- a/indra/newview/app_settings/mid_graphics.xml
+++ b/indra/newview/app_settings/mid_graphics.xml
@@ -33,8 +33,6 @@
 	<!--Default for now-->
 	<RenderVolumeLODFactor value="1.125"/>
 	<!--NO SHADERS-->
-	<VertexShaderEnable value="TRUE"/>
-	<!--NO SHADERS-->
 	<WindLightUseAtmosShaders value="FALSE"/>
 	<!--No Deferred Shading-->
 	<RenderDeferred value="FALSE"/>
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 05722bd8c1..0cb9ee3ace 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -14259,6 +14259,7 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
+    <!-- SL-12594 removes fixed function rendering
     <key>VertexShaderEnable</key>
     <map>
       <key>Comment</key>
@@ -14270,6 +14271,7 @@
       <key>Value</key>
       <integer>0</integer>
     </map>
+    <-->
     <key>VivoxAutoPostCrashDumps</key>
     <map>
       <key>Comment</key>
diff --git a/indra/newview/app_settings/ultra_graphics.xml b/indra/newview/app_settings/ultra_graphics.xml
index 3e7fccbd5f..eb2cd356d9 100644
--- a/indra/newview/app_settings/ultra_graphics.xml
+++ b/indra/newview/app_settings/ultra_graphics.xml
@@ -34,8 +34,6 @@
 	<!--Default for now-->
 	<RenderVolumeLODFactor value="2.0"/>
 	<!--NO SHADERS-->
-	<VertexShaderEnable value="TRUE"/>
-	<!--NO SHADERS-->
 	<WindLightUseAtmosShaders value="TRUE"/>
 	<!--Deferred Shading-->
 	<RenderDeferred value="TRUE"/>
diff --git a/indra/newview/llfloaterpreference.cpp b/indra/newview/llfloaterpreference.cpp
index 5cfdc466ef..093753c967 100644
--- a/indra/newview/llfloaterpreference.cpp
+++ b/indra/newview/llfloaterpreference.cpp
@@ -407,7 +407,7 @@ LLFloaterPreference::LLFloaterPreference(const LLSD& key)
 	mCommitCallbackRegistrar.add("Pref.HardwareDefaults",		boost::bind(&LLFloaterPreference::setHardwareDefaults, this));
 	mCommitCallbackRegistrar.add("Pref.AvatarImpostorsEnable",	boost::bind(&LLFloaterPreference::onAvatarImpostorsEnable, this));
 	mCommitCallbackRegistrar.add("Pref.UpdateIndirectMaxComplexity",	boost::bind(&LLFloaterPreference::updateMaxComplexity, this));
-	mCommitCallbackRegistrar.add("Pref.VertexShaderEnable",		boost::bind(&LLFloaterPreference::onVertexShaderEnable, this));
+    mCommitCallbackRegistrar.add("Pref.RenderOptionUpdate",     boost::bind(&LLFloaterPreference::onRenderOptionEnable, this));
 	mCommitCallbackRegistrar.add("Pref.WindowedMod",			boost::bind(&LLFloaterPreference::onCommitWindowedMode, this));
 	mCommitCallbackRegistrar.add("Pref.UpdateSliderText",		boost::bind(&LLFloaterPreference::refreshUI,this));
 	mCommitCallbackRegistrar.add("Pref.QualityPerformance",		boost::bind(&LLFloaterPreference::onChangeQuality, this, _2));
@@ -866,12 +866,12 @@ void LLFloaterPreference::onOpen(const LLSD& key)
 	}
 }
 
-void LLFloaterPreference::onVertexShaderEnable()
+void LLFloaterPreference::onRenderOptionEnable()
 {
 	refreshEnabledGraphics();
 }
 
-void LLFloaterPreferenceGraphicsAdvanced::onVertexShaderEnable()
+void LLFloaterPreferenceGraphicsAdvanced::onRenderOptionEnable()
 {
 	LLFloaterPreference* instance = LLFloaterReg::findTypedInstance<LLFloaterPreference>("preferences");
 	if (instance)
@@ -1305,20 +1305,19 @@ void LLFloaterPreference::refreshEnabledState()
 	LLCheckBoxCtrl* ctrl_deferred = getChild<LLCheckBoxCtrl>("UseLightShaders");
 
 	// if vertex shaders off, disable all shader related products
-	if (!LLFeatureManager::getInstance()->isFeatureAvailable("VertexShaderEnable") ||
-		!LLFeatureManager::getInstance()->isFeatureAvailable("WindLightUseAtmosShaders"))
+	if (!LLFeatureManager::getInstance()->isFeatureAvailable("WindLightUseAtmosShaders"))
 	{
 		ctrl_wind_light->setEnabled(FALSE);
 		ctrl_wind_light->setValue(FALSE);
 	}
 	else
 	{
-		ctrl_wind_light->setEnabled(gSavedSettings.getBOOL("VertexShaderEnable"));
+		ctrl_wind_light->setEnabled(TRUE);
 	}
 
 	//Deferred/SSAO/Shadows
 	BOOL bumpshiny = gGLManager.mHasCubeMap && LLCubeMap::sUseCubeMaps && LLFeatureManager::getInstance()->isFeatureAvailable("RenderObjectBump") && gSavedSettings.getBOOL("RenderObjectBump");
-	BOOL shaders = gSavedSettings.getBOOL("WindLightUseAtmosShaders") && gSavedSettings.getBOOL("VertexShaderEnable");
+	BOOL shaders = gSavedSettings.getBOOL("WindLightUseAtmosShaders");
 	BOOL enabled = LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred") &&
 						bumpshiny &&
 						shaders && 
@@ -1340,9 +1339,7 @@ void LLFloaterPreferenceGraphicsAdvanced::refreshEnabledState()
 	LLTextBox* reflections_text = getChild<LLTextBox>("ReflectionsText");
 
 	// Reflections
-	BOOL reflections = gSavedSettings.getBOOL("VertexShaderEnable") 
-		&& gGLManager.mHasCubeMap
-		&& LLCubeMap::sUseCubeMaps;
+    BOOL reflections = gGLManager.mHasCubeMap && LLCubeMap::sUseCubeMaps;
 	ctrl_reflections->setEnabled(reflections);
 	reflections_text->setEnabled(reflections);
 	
@@ -1366,59 +1363,41 @@ void LLFloaterPreferenceGraphicsAdvanced::refreshEnabledState()
 
 	ctrl_avatar_vp->setEnabled(avatar_vp_enabled);
 	
-	if (gSavedSettings.getBOOL("VertexShaderEnable") == FALSE || 
-		gSavedSettings.getBOOL("RenderAvatarVP") == FALSE)
-	{
-		ctrl_avatar_cloth->setEnabled(FALSE);
-	} 
-	else
-	{
-		ctrl_avatar_cloth->setEnabled(TRUE);
-	}
-	
-	// Vertex Shaders
-	// Global Shader Enable
-	LLCheckBoxCtrl* ctrl_shader_enable   = getChild<LLCheckBoxCtrl>("BasicShaders");
-	LLSliderCtrl* terrain_detail = getChild<LLSliderCtrl>("TerrainDetail");   // can be linked with control var
-	LLTextBox* terrain_text = getChild<LLTextBox>("TerrainDetailText");
+    if (gSavedSettings.getBOOL("RenderAvatarVP") == FALSE)
+    {
+        ctrl_avatar_cloth->setEnabled(FALSE);
+    } 
+    else
+    {
+        ctrl_avatar_cloth->setEnabled(TRUE);
+    }
 
-	ctrl_shader_enable->setEnabled(LLFeatureManager::getInstance()->isFeatureAvailable("VertexShaderEnable"));
-	
-	BOOL shaders = ctrl_shader_enable->get();
-	if (shaders)
-	{
-		terrain_detail->setEnabled(FALSE);
-		terrain_text->setEnabled(FALSE);
-	}
-	else
-	{
-		terrain_detail->setEnabled(TRUE);
-		terrain_text->setEnabled(TRUE);
-	}
-	
-	// WindLight
-	LLCheckBoxCtrl* ctrl_wind_light = getChild<LLCheckBoxCtrl>("WindLightUseAtmosShaders");
-	LLSliderCtrl* sky = getChild<LLSliderCtrl>("SkyMeshDetail");
-	LLTextBox* sky_text = getChild<LLTextBox>("SkyMeshDetailText");
+    // Vertex Shaders, Global Shader Enable
+    // SL-12594 Basic shaders are always enabled. DJH TODO clean up now-orphaned state handling code
+    LLSliderCtrl* terrain_detail = getChild<LLSliderCtrl>("TerrainDetail");   // can be linked with control var
+    LLTextBox* terrain_text = getChild<LLTextBox>("TerrainDetailText");
 
-	// *HACK just checks to see if we can use shaders... 
-	// maybe some cards that use shaders, but don't support windlight
-	ctrl_wind_light->setEnabled(ctrl_shader_enable->getEnabled() && shaders);
+    terrain_detail->setEnabled(FALSE);
+    terrain_text->setEnabled(FALSE);
 
-	sky->setEnabled(ctrl_wind_light->get() && shaders);
-	sky_text->setEnabled(ctrl_wind_light->get() && shaders);
+    // WindLight
+    LLCheckBoxCtrl* ctrl_wind_light = getChild<LLCheckBoxCtrl>("WindLightUseAtmosShaders");
+    LLSliderCtrl* sky = getChild<LLSliderCtrl>("SkyMeshDetail");
+    LLTextBox* sky_text = getChild<LLTextBox>("SkyMeshDetailText");
+    ctrl_wind_light->setEnabled(TRUE);
+    sky->setEnabled(TRUE);
+    sky_text->setEnabled(TRUE);
 
-	//Deferred/SSAO/Shadows
-	LLCheckBoxCtrl* ctrl_deferred = getChild<LLCheckBoxCtrl>("UseLightShaders");
-	
-	BOOL enabled = LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred") &&
-						((bumpshiny_ctrl && bumpshiny_ctrl->get()) ? TRUE : FALSE) &&
-						shaders && 
-						gGLManager.mHasFramebufferObject &&
-						gSavedSettings.getBOOL("RenderAvatarVP") &&
-						(ctrl_wind_light->get()) ? TRUE : FALSE;
+    //Deferred/SSAO/Shadows
+    LLCheckBoxCtrl* ctrl_deferred = getChild<LLCheckBoxCtrl>("UseLightShaders");
+    
+    BOOL enabled = LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred") &&
+                        ((bumpshiny_ctrl && bumpshiny_ctrl->get()) ? TRUE : FALSE) &&
+                        gGLManager.mHasFramebufferObject &&
+                        gSavedSettings.getBOOL("RenderAvatarVP") &&
+                        (ctrl_wind_light->get()) ? TRUE : FALSE;
 
-	ctrl_deferred->setEnabled(enabled);
+    ctrl_deferred->setEnabled(enabled);
 
 	LLCheckBoxCtrl* ctrl_ssao = getChild<LLCheckBoxCtrl>("UseSSAO");
 	LLCheckBoxCtrl* ctrl_dof = getChild<LLCheckBoxCtrl>("UseDoF");
@@ -1516,7 +1495,6 @@ void LLFloaterPreferenceGraphicsAdvanced::disableUnavailableSettings()
 	LLTextBox* reflections_text = getChild<LLTextBox>("ReflectionsText");
 	LLCheckBoxCtrl* ctrl_avatar_vp     = getChild<LLCheckBoxCtrl>("AvatarVertexProgram");
 	LLCheckBoxCtrl* ctrl_avatar_cloth  = getChild<LLCheckBoxCtrl>("AvatarCloth");
-	LLCheckBoxCtrl* ctrl_shader_enable = getChild<LLCheckBoxCtrl>("BasicShaders");
 	LLCheckBoxCtrl* ctrl_wind_light    = getChild<LLCheckBoxCtrl>("WindLightUseAtmosShaders");
 	LLCheckBoxCtrl* ctrl_deferred = getChild<LLCheckBoxCtrl>("UseLightShaders");
 	LLComboBox* ctrl_shadows = getChild<LLComboBox>("ShadowDetail");
@@ -1526,42 +1504,6 @@ void LLFloaterPreferenceGraphicsAdvanced::disableUnavailableSettings()
 	LLSliderCtrl* sky = getChild<LLSliderCtrl>("SkyMeshDetail");
 	LLTextBox* sky_text = getChild<LLTextBox>("SkyMeshDetailText");
 
-	// if vertex shaders off, disable all shader related products
-	if (!LLFeatureManager::getInstance()->isFeatureAvailable("VertexShaderEnable"))
-	{
-		ctrl_shader_enable->setEnabled(FALSE);
-		ctrl_shader_enable->setValue(FALSE);
-		
-		ctrl_wind_light->setEnabled(FALSE);
-		ctrl_wind_light->setValue(FALSE);
-
-		sky->setEnabled(FALSE);
-		sky_text->setEnabled(FALSE);
-
-		ctrl_reflections->setEnabled(FALSE);
-		ctrl_reflections->setValue(0);
-		reflections_text->setEnabled(FALSE);
-		
-		ctrl_avatar_vp->setEnabled(FALSE);
-		ctrl_avatar_vp->setValue(FALSE);
-		
-		ctrl_avatar_cloth->setEnabled(FALSE);
-		ctrl_avatar_cloth->setValue(FALSE);
-
-		ctrl_shadows->setEnabled(FALSE);
-		ctrl_shadows->setValue(0);
-		shadows_text->setEnabled(FALSE);
-		
-		ctrl_ssao->setEnabled(FALSE);
-		ctrl_ssao->setValue(FALSE);
-
-		ctrl_dof->setEnabled(FALSE);
-		ctrl_dof->setValue(FALSE);
-
-		ctrl_deferred->setEnabled(FALSE);
-		ctrl_deferred->setValue(FALSE);
-	}
-	
 	// disabled windlight
 	if (!LLFeatureManager::getInstance()->isFeatureAvailable("WindLightUseAtmosShaders"))
 	{
@@ -2928,7 +2870,7 @@ void LLPanelPreferenceGraphics::setHardwareDefaults()
 LLFloaterPreferenceGraphicsAdvanced::LLFloaterPreferenceGraphicsAdvanced(const LLSD& key)
 	: LLFloater(key)
 {
-	mCommitCallbackRegistrar.add("Pref.VertexShaderEnable",		boost::bind(&LLFloaterPreferenceGraphicsAdvanced::onVertexShaderEnable, this));
+    mCommitCallbackRegistrar.add("Pref.RenderOptionUpdate",            boost::bind(&LLFloaterPreferenceGraphicsAdvanced::onRenderOptionEnable, this));
 	mCommitCallbackRegistrar.add("Pref.UpdateIndirectMaxNonImpostors", boost::bind(&LLFloaterPreferenceGraphicsAdvanced::updateMaxNonImpostors,this));
 	mCommitCallbackRegistrar.add("Pref.UpdateIndirectMaxComplexity",   boost::bind(&LLFloaterPreferenceGraphicsAdvanced::updateMaxComplexity,this));
 }
diff --git a/indra/newview/llfloaterpreference.h b/indra/newview/llfloaterpreference.h
index 42f1de4a5d..a0f43bd884 100644
--- a/indra/newview/llfloaterpreference.h
+++ b/indra/newview/llfloaterpreference.h
@@ -122,8 +122,8 @@ protected:
 	// callback for defaults
 	void setHardwareDefaults();
 	void setRecommended();
-	// callback for when client turns on shaders
-	void onVertexShaderEnable();
+	// callback for when client modifies a render option
+    void onRenderOptionEnable();
 	// callback for when client turns on impostors
 	void onAvatarImpostorsEnable();
 
@@ -313,8 +313,8 @@ class LLFloaterPreferenceGraphicsAdvanced : public LLFloater
 	static void setIndirectMaxNonImpostors();
 	static void setIndirectMaxArc();
 	void refresh();
-	// callback for when client turns on shaders
-	void onVertexShaderEnable();
+	// callback for when client modifies a render option
+	void onRenderOptionEnable();
     void onAdvancedAtmosphericsEnable();
 	LOG_CLASS(LLFloaterPreferenceGraphicsAdvanced);
 };
diff --git a/indra/newview/llviewercontrol.cpp b/indra/newview/llviewercontrol.cpp
index e2da4f63fb..c65431d6f6 100644
--- a/indra/newview/llviewercontrol.cpp
+++ b/indra/newview/llviewercontrol.cpp
@@ -622,7 +622,6 @@ void settings_setup_listeners()
 	gSavedSettings.getControl("RenderMaxTextureIndex")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _2));
 	gSavedSettings.getControl("RenderUseTriStrips")->getSignal()->connect(boost::bind(&handleResetVertexBuffersChanged, _2));
 	gSavedSettings.getControl("RenderAvatarVP")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _2));
-	gSavedSettings.getControl("VertexShaderEnable")->getSignal()->connect(boost::bind(&handleSetShaderChanged, _2));
 	gSavedSettings.getControl("RenderUIBuffer")->getSignal()->connect(boost::bind(&handleWindowResized, _2));
 	gSavedSettings.getControl("RenderDepthOfField")->getSignal()->connect(boost::bind(&handleReleaseGLBufferChanged, _2));
 	gSavedSettings.getControl("RenderFSAASamples")->getSignal()->connect(boost::bind(&handleReleaseGLBufferChanged, _2));
diff --git a/indra/newview/llviewershadermgr.cpp b/indra/newview/llviewershadermgr.cpp
index 5628f257c5..f6f4ac54d4 100644
--- a/indra/newview/llviewershadermgr.cpp
+++ b/indra/newview/llviewershadermgr.cpp
@@ -414,14 +414,6 @@ void LLViewerShaderMgr::setShaders()
 
     reentrance = true;
 
-    if (LLRender::sGLCoreProfile)
-    {  
-        if (!gSavedSettings.getBOOL("VertexShaderEnable"))
-        { //vertex shaders MUST be enabled to use core profile
-            gSavedSettings.setBOOL("VertexShaderEnable", TRUE);
-        }
-    }
-    
     //setup preprocessor definitions
     LLShaderMgr::instance()->mDefinitions["NUM_TEX_UNITS"] = llformat("%d", gGLManager.mNumTextureImageUnits);
     
@@ -432,17 +424,9 @@ void LLViewerShaderMgr::setShaders()
     initAttribsAndUniforms();
     gPipeline.releaseGLBuffers();
 
-    if (gSavedSettings.getBOOL("VertexShaderEnable"))
-    {
-        LLPipeline::sWaterReflections = gGLManager.mHasCubeMap;
-        LLPipeline::sRenderGlow = gSavedSettings.getBOOL("RenderGlow"); 
-        LLPipeline::updateRenderDeferred();
-    }
-    else
-    {
-        LLPipeline::sRenderGlow = FALSE;
-        LLPipeline::sWaterReflections = FALSE;
-    }
+    LLPipeline::sWaterReflections = gGLManager.mHasCubeMap;
+    LLPipeline::sRenderGlow = gSavedSettings.getBOOL("RenderGlow"); 
+    LLPipeline::updateRenderDeferred();
     
     //hack to reset buffers that change behavior with shaders
     gPipeline.resetVertexBuffers();
@@ -467,283 +451,267 @@ void LLViewerShaderMgr::setShaders()
 
     LLGLSLShader::sNoFixedFunction = false;
     LLVertexBuffer::unbind();
-    if (LLFeatureManager::getInstance()->isFeatureAvailable("VertexShaderEnable") 
-        && (gGLManager.mGLSLVersionMajor > 1 || gGLManager.mGLSLVersionMinor >= 10)
-        && gSavedSettings.getBOOL("VertexShaderEnable"))
+
+    llassert((gGLManager.mGLSLVersionMajor > 1 || gGLManager.mGLSLVersionMinor >= 10));
+
+    bool canRenderDeferred       = LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred");
+    bool hasWindLightShaders     = LLFeatureManager::getInstance()->isFeatureAvailable("WindLightUseAtmosShaders");
+    S32 shadow_detail            = gSavedSettings.getS32("RenderShadowDetail");
+    bool useRenderDeferred       = canRenderDeferred && gSavedSettings.getBOOL("RenderDeferred") && gSavedSettings.getBOOL("RenderAvatarVP");
+    bool doingWindLight          = hasWindLightShaders && gSavedSettings.getBOOL("WindLightUseAtmosShaders");
+
+    //using shaders, disable fixed function
+    LLGLSLShader::sNoFixedFunction = true;
+
+    S32 light_class = 3;
+    S32 interface_class = 2;
+    S32 env_class = 2;
+    S32 obj_class = 2;
+    S32 effect_class = 2;
+    S32 wl_class = 1;
+    S32 water_class = 2;
+    S32 deferred_class = 0;
+    S32 transform_class = gGLManager.mHasTransformFeedback ? 1 : 0;
+
+    static LLCachedControl<bool> use_transform_feedback(gSavedSettings, "RenderUseTransformFeedback", false);
+    if (!use_transform_feedback)
     {
-        bool canRenderDeferred       = LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred");
-        bool hasWindLightShaders     = LLFeatureManager::getInstance()->isFeatureAvailable("WindLightUseAtmosShaders");
-        S32 shadow_detail            = gSavedSettings.getS32("RenderShadowDetail");
-        bool useRenderDeferred       = canRenderDeferred && gSavedSettings.getBOOL("RenderDeferred") && gSavedSettings.getBOOL("RenderAvatarVP");
-        bool doingWindLight          = hasWindLightShaders && gSavedSettings.getBOOL("WindLightUseAtmosShaders");
-
-        //using shaders, disable fixed function
-        LLGLSLShader::sNoFixedFunction = true;
-
-        S32 light_class = 3;
-        S32 interface_class = 2;
-        S32 env_class = 2;
-        S32 obj_class = 2;
-        S32 effect_class = 2;
-        S32 wl_class = 1;
-        S32 water_class = 2;
-        S32 deferred_class = 0;
-        S32 transform_class = gGLManager.mHasTransformFeedback ? 1 : 0;
-
-        static LLCachedControl<bool> use_transform_feedback(gSavedSettings, "RenderUseTransformFeedback", false);
-        if (!use_transform_feedback)
-        {
-            transform_class = 0;
-        }
+        transform_class = 0;
+    }
 
-        if (useRenderDeferred)
-        {
-            //shadows
-            switch (shadow_detail)
-            {                
-                case 1:
-                    deferred_class = 2; // PCF shadows
-                break; 
-
-                case 2:
-                    deferred_class = 2; // PCF shadows
-                break; 
-
-                case 0: 
-                default:
-                    deferred_class = 1; // no shadows
-                break; 
-            }
+    if (useRenderDeferred)
+    {
+        //shadows
+        switch (shadow_detail)
+        {                
+            case 1:
+                deferred_class = 2; // PCF shadows
+            break; 
+
+            case 2:
+                deferred_class = 2; // PCF shadows
+            break; 
+
+            case 0: 
+            default:
+                deferred_class = 1; // no shadows
+            break; 
         }
+    }
 
-        if (doingWindLight)
-        {
-            // user has disabled WindLight in their settings, downgrade
-            // windlight shaders to stub versions.
-            wl_class = 2;
-        }
-        else
-        {
-            light_class = 2;
-        }
+    if (doingWindLight)
+    {
+        // user has disabled WindLight in their settings, downgrade
+        // windlight shaders to stub versions.
+        wl_class = 2;
+    }
+    else
+    {
+        light_class = 2;
+    }
 
-        // Trigger a full rebuild of the fallback skybox / cubemap if we've toggled windlight shaders
-        if (!wl_class || (mShaderLevel[SHADER_WINDLIGHT] != wl_class && gSky.mVOSkyp.notNull()))
-        {
-            gSky.mVOSkyp->forceSkyUpdate();
-        }
+    // Trigger a full rebuild of the fallback skybox / cubemap if we've toggled windlight shaders
+    if (!wl_class || (mShaderLevel[SHADER_WINDLIGHT] != wl_class && gSky.mVOSkyp.notNull()))
+    {
+        gSky.mVOSkyp->forceSkyUpdate();
+    }
+
+    // Load lighting shaders
+    mShaderLevel[SHADER_LIGHTING] = light_class;
+    mShaderLevel[SHADER_INTERFACE] = interface_class;
+    mShaderLevel[SHADER_ENVIRONMENT] = env_class;
+    mShaderLevel[SHADER_WATER] = water_class;
+    mShaderLevel[SHADER_OBJECT] = obj_class;
+    mShaderLevel[SHADER_EFFECT] = effect_class;
+    mShaderLevel[SHADER_WINDLIGHT] = wl_class;
+    mShaderLevel[SHADER_DEFERRED] = deferred_class;
+    mShaderLevel[SHADER_TRANSFORM] = transform_class;
+
+    BOOL loaded = loadBasicShaders();
+    if (loaded)
+    {
+        LL_INFOS() << "Loaded basic shaders." << LL_ENDL;
+    }
+    else
+    {
+        LL_WARNS() << "Failed to load basic shaders." << LL_ENDL;
+        llassert(loaded);
+    }
+
+    if (loaded)
+    {
+        gPipeline.mVertexShadersEnabled = TRUE;
+        gPipeline.mVertexShadersLoaded = 1;
+
+        // Load all shaders to set max levels
+        loaded = loadShadersEnvironment();
 
-        // Load lighting shaders
-        mShaderLevel[SHADER_LIGHTING] = light_class;
-        mShaderLevel[SHADER_INTERFACE] = interface_class;
-        mShaderLevel[SHADER_ENVIRONMENT] = env_class;
-        mShaderLevel[SHADER_WATER] = water_class;
-        mShaderLevel[SHADER_OBJECT] = obj_class;
-        mShaderLevel[SHADER_EFFECT] = effect_class;
-        mShaderLevel[SHADER_WINDLIGHT] = wl_class;
-        mShaderLevel[SHADER_DEFERRED] = deferred_class;
-        mShaderLevel[SHADER_TRANSFORM] = transform_class;
-
-        BOOL loaded = loadBasicShaders();
         if (loaded)
         {
-            LL_INFOS() << "Loaded basic shaders." << LL_ENDL;
+            LL_INFOS() << "Loaded environment shaders." << LL_ENDL;
         }
         else
         {
-            LL_WARNS() << "Failed to load basic shaders." << LL_ENDL;
+            LL_WARNS() << "Failed to load environment shaders." << LL_ENDL;
             llassert(loaded);
         }
 
         if (loaded)
         {
-            gPipeline.mVertexShadersEnabled = TRUE;
-            gPipeline.mVertexShadersLoaded = 1;
-
-            // Load all shaders to set max levels
-            loaded = loadShadersEnvironment();
-
+            loaded = loadShadersWater();
             if (loaded)
             {
-                LL_INFOS() << "Loaded environment shaders." << LL_ENDL;
+                LL_INFOS() << "Loaded water shaders." << LL_ENDL;
             }
             else
             {
-                LL_WARNS() << "Failed to load environment shaders." << LL_ENDL;
+                LL_WARNS() << "Failed to load water shaders." << LL_ENDL;
                 llassert(loaded);
             }
+        }
 
+        if (loaded)
+        {
+            loaded = loadShadersWindLight();
             if (loaded)
             {
-                loaded = loadShadersWater();
-                if (loaded)
-                {
-                    LL_INFOS() << "Loaded water shaders." << LL_ENDL;
-                }
-                else
-                {
-                    LL_WARNS() << "Failed to load water shaders." << LL_ENDL;
-                    llassert(loaded);
-                }
+                LL_INFOS() << "Loaded windlight shaders." << LL_ENDL;
             }
-
-            if (loaded)
+            else
             {
-                loaded = loadShadersWindLight();
-                if (loaded)
-                {
-                    LL_INFOS() << "Loaded windlight shaders." << LL_ENDL;
-                }
-                else
-                {
-                    LL_WARNS() << "Failed to load windlight shaders." << LL_ENDL;
-                    llassert(loaded);
-                }
+                LL_WARNS() << "Failed to load windlight shaders." << LL_ENDL;
+                llassert(loaded);
             }
+        }
 
+        if (loaded)
+        {
+            loaded = loadShadersEffects();
             if (loaded)
             {
-                loaded = loadShadersEffects();
-                if (loaded)
-                {
-                    LL_INFOS() << "Loaded effects shaders." << LL_ENDL;
-                }
-                else
-                {
-                    LL_WARNS() << "Failed to load effects shaders." << LL_ENDL;
-                    llassert(loaded);
-                }
+                LL_INFOS() << "Loaded effects shaders." << LL_ENDL;
             }
-
-            if (loaded)
+            else
             {
-                loaded = loadShadersInterface();
-                if (loaded)
-                {
-                    LL_INFOS() << "Loaded interface shaders." << LL_ENDL;
-                }
-                else
-                {
-                    LL_WARNS() << "Failed to load interface shaders." << LL_ENDL;
-                    llassert(loaded);
-                }
+                LL_WARNS() << "Failed to load effects shaders." << LL_ENDL;
+                llassert(loaded);
             }
+        }
 
+        if (loaded)
+        {
+            loaded = loadShadersInterface();
             if (loaded)
-
             {
-                loaded = loadTransformShaders();
-                if (loaded)
-                {
-                    LL_INFOS() << "Loaded transform shaders." << LL_ENDL;
-                }
-                else
-                {
-                    LL_WARNS() << "Failed to load transform shaders." << LL_ENDL;
-                    llassert(loaded);
-                }
+                LL_INFOS() << "Loaded interface shaders." << LL_ENDL;
+            }
+            else
+            {
+                LL_WARNS() << "Failed to load interface shaders." << LL_ENDL;
+                llassert(loaded);
             }
+        }
+
+        if (loaded)
 
+        {
+            loaded = loadTransformShaders();
             if (loaded)
             {
-                // Load max avatar shaders to set the max level
-                mShaderLevel[SHADER_AVATAR] = 3;
-                mMaxAvatarShaderLevel = 3;
+                LL_INFOS() << "Loaded transform shaders." << LL_ENDL;
+            }
+            else
+            {
+                LL_WARNS() << "Failed to load transform shaders." << LL_ENDL;
+                llassert(loaded);
+            }
+        }
+
+        if (loaded)
+        {
+            // Load max avatar shaders to set the max level
+            mShaderLevel[SHADER_AVATAR] = 3;
+            mMaxAvatarShaderLevel = 3;
                 
-                if (gSavedSettings.getBOOL("RenderAvatarVP") && loadShadersObject())
-                { //hardware skinning is enabled and rigged attachment shaders loaded correctly
-                    BOOL avatar_cloth = gSavedSettings.getBOOL("RenderAvatarCloth");
+            if (gSavedSettings.getBOOL("RenderAvatarVP") && loadShadersObject())
+            { //hardware skinning is enabled and rigged attachment shaders loaded correctly
+                BOOL avatar_cloth = gSavedSettings.getBOOL("RenderAvatarCloth");
 
-                    // cloth is a class3 shader
-                    S32 avatar_class = avatar_cloth ? 3 : 1;
+                // cloth is a class3 shader
+                S32 avatar_class = avatar_cloth ? 3 : 1;
                 
-                    // Set the actual level
-                    mShaderLevel[SHADER_AVATAR] = avatar_class;
+                // Set the actual level
+                mShaderLevel[SHADER_AVATAR] = avatar_class;
 
-                    loaded = loadShadersAvatar();
-                    llassert(loaded);
+                loaded = loadShadersAvatar();
+                llassert(loaded);
 
-                    if (mShaderLevel[SHADER_AVATAR] != avatar_class)
+                if (mShaderLevel[SHADER_AVATAR] != avatar_class)
+                {
+                    if (mShaderLevel[SHADER_AVATAR] == 0)
                     {
-                        if (mShaderLevel[SHADER_AVATAR] == 0)
-                        {
-                            gSavedSettings.setBOOL("RenderAvatarVP", FALSE);
-                        }
-                        if(llmax(mShaderLevel[SHADER_AVATAR]-1,0) >= 3)
-                        {
-                            avatar_cloth = true;
-                        }
-                        else
-                        {
-                            avatar_cloth = false;
-                        }
-                        gSavedSettings.setBOOL("RenderAvatarCloth", avatar_cloth);
+                        gSavedSettings.setBOOL("RenderAvatarVP", FALSE);
                     }
-                }
-                else
-                { //hardware skinning not possible, neither is deferred rendering
-                    mShaderLevel[SHADER_AVATAR] = 0;
-                    mShaderLevel[SHADER_DEFERRED] = 0;
-
-                    if (gSavedSettings.getBOOL("RenderAvatarVP"))
+                    if(llmax(mShaderLevel[SHADER_AVATAR]-1,0) >= 3)
                     {
-                        gSavedSettings.setBOOL("RenderDeferred", FALSE);
-                        gSavedSettings.setBOOL("RenderAvatarCloth", FALSE);
-                        gSavedSettings.setBOOL("RenderAvatarVP", FALSE);
+                        avatar_cloth = true;
                     }
-
-                    loadShadersAvatar(); // unloads
-
-                    loaded = loadShadersObject();
-                    llassert(loaded);
+                    else
+                    {
+                        avatar_cloth = false;
+                    }
+                    gSavedSettings.setBOOL("RenderAvatarCloth", avatar_cloth);
                 }
             }
+            else
+            { //hardware skinning not possible, neither is deferred rendering
+                mShaderLevel[SHADER_AVATAR] = 0;
+                mShaderLevel[SHADER_DEFERRED] = 0;
 
-            if (!loaded)
-            { //some shader absolutely could not load, try to fall back to a simpler setting
-                if (gSavedSettings.getBOOL("WindLightUseAtmosShaders"))
-                { //disable windlight and try again
-                    gSavedSettings.setBOOL("WindLightUseAtmosShaders", FALSE);
-                    LL_WARNS() << "Falling back to no windlight shaders." << LL_ENDL;
-                    reentrance = false;
-                    setShaders();
-                    return;
+                if (gSavedSettings.getBOOL("RenderAvatarVP"))
+                {
+                    gSavedSettings.setBOOL("RenderDeferred", FALSE);
+                    gSavedSettings.setBOOL("RenderAvatarCloth", FALSE);
+                    gSavedSettings.setBOOL("RenderAvatarVP", FALSE);
                 }
 
-                if (gSavedSettings.getBOOL("VertexShaderEnable"))
-                { //disable shaders outright and try again
-                    gSavedSettings.setBOOL("VertexShaderEnable", FALSE);
-                    LL_WARNS() << "Falling back to no vertex shaders." << LL_ENDL;
-                    reentrance = false;
-                    setShaders();
-                    return;
-                }
-            }       
+                loadShadersAvatar(); // unloads
 
-            llassert(loaded);
+                loaded = loadShadersObject();
+                llassert(loaded);
+            }
+        }
 
-            if (loaded && !loadShadersDeferred())
-            { //everything else succeeded but deferred failed, disable deferred and try again
-                gSavedSettings.setBOOL("RenderDeferred", FALSE);
-                LL_WARNS() << "Falling back to no deferred shaders." << LL_ENDL;
+        if (!loaded)
+        { //some shader absolutely could not load, try to fall back to a simpler setting
+            if (gSavedSettings.getBOOL("WindLightUseAtmosShaders"))
+            { //disable windlight and try again
+                gSavedSettings.setBOOL("WindLightUseAtmosShaders", FALSE);
+                LL_WARNS() << "Falling back to no windlight shaders." << LL_ENDL;
                 reentrance = false;
                 setShaders();
                 return;
             }
-        }
-        else
-        {
-            LLGLSLShader::sNoFixedFunction = false;
-            gPipeline.mVertexShadersEnabled = FALSE;
-            gPipeline.mVertexShadersLoaded = 0;
-            mShaderLevel[SHADER_LIGHTING] = 0;
-            mShaderLevel[SHADER_INTERFACE] = 0;
-            mShaderLevel[SHADER_ENVIRONMENT] = 0;
-            mShaderLevel[SHADER_WATER] = 0;
-            mShaderLevel[SHADER_OBJECT] = 0;
-            mShaderLevel[SHADER_EFFECT] = 0;
-            mShaderLevel[SHADER_WINDLIGHT] = 0;
-            mShaderLevel[SHADER_AVATAR] = 0;
+
+            if (gSavedSettings.getBOOL("VertexShaderEnable"))
+            { //disable shaders outright and try again
+                gSavedSettings.setBOOL("VertexShaderEnable", FALSE);
+                LL_WARNS() << "Falling back to no vertex shaders." << LL_ENDL;
+                reentrance = false;
+                setShaders();
+                return;
+            }
+        }       
+
+        llassert(loaded);
+
+        if (loaded && !loadShadersDeferred())
+        { //everything else succeeded but deferred failed, disable deferred and try again
+            gSavedSettings.setBOOL("RenderDeferred", FALSE);
+            LL_WARNS() << "Falling back to no deferred shaders." << LL_ENDL;
+            reentrance = false;
+            setShaders();
+            return;
         }
     }
     else
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 0395bf1a71..d6ff9bd548 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -133,7 +133,6 @@ bool gShiftFrame = false;
 
 //cached settings
 bool LLPipeline::RenderAvatarVP;
-bool LLPipeline::VertexShaderEnable;
 bool LLPipeline::WindLightUseAtmosShaders;
 bool LLPipeline::RenderDeferred;
 F32 LLPipeline::RenderDeferredSunWash;
@@ -531,7 +530,6 @@ void LLPipeline::init()
 	connectRefreshCachedSettingsSafe("RenderAvatarMaxNonImpostors");
 	connectRefreshCachedSettingsSafe("RenderDelayVBUpdate");
 	connectRefreshCachedSettingsSafe("UseOcclusion");
-	connectRefreshCachedSettingsSafe("VertexShaderEnable");
 	connectRefreshCachedSettingsSafe("RenderAvatarVP");
 	connectRefreshCachedSettingsSafe("WindLightUseAtmosShaders");
 	connectRefreshCachedSettingsSafe("RenderDeferred");
@@ -1057,7 +1055,6 @@ void LLPipeline::updateRenderDeferred()
 					 LLRenderTarget::sUseFBO &&
 					 LLFeatureManager::getInstance()->isFeatureAvailable("RenderDeferred") &&	 
 					 LLPipeline::sRenderBump &&
-					 VertexShaderEnable && 
 					 RenderAvatarVP &&
 					 WindLightUseAtmosShaders)) &&
 					!gUseWireframe;
@@ -1086,7 +1083,6 @@ void LLPipeline::refreshCachedSettings()
 			&& gSavedSettings.getBOOL("UseOcclusion") 
 			&& gGLManager.mHasOcclusionQuery) ? 2 : 0;
 	
-	VertexShaderEnable = gSavedSettings.getBOOL("VertexShaderEnable");
 	RenderAvatarVP = gSavedSettings.getBOOL("RenderAvatarVP");
 	WindLightUseAtmosShaders = gSavedSettings.getBOOL("WindLightUseAtmosShaders");
 	RenderDeferred = gSavedSettings.getBOOL("RenderDeferred");
@@ -1407,12 +1403,9 @@ void LLPipeline::restoreGL()
 
 bool LLPipeline::canUseVertexShaders()
 {
-	static const std::string vertex_shader_enable_feature_string = "VertexShaderEnable";
-
 	if (sDisableShaders ||
 		!gGLManager.mHasVertexShader ||
 		!gGLManager.mHasFragmentShader ||
-		!LLFeatureManager::getInstance()->isFeatureAvailable(vertex_shader_enable_feature_string) ||
 		(assertInitialized() && mVertexShadersLoaded != 1) )
 	{
 		return false;
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index e75a09d753..68ce3fe88d 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -880,7 +880,6 @@ public:
 
 	//cached settings
 	static bool WindLightUseAtmosShaders;
-	static bool VertexShaderEnable;
 	static bool RenderAvatarVP;
 	static bool RenderDeferred;
 	static F32 RenderDeferredSunWash;
diff --git a/indra/newview/skins/default/xui/da/panel_preferences_graphics1.xml b/indra/newview/skins/default/xui/da/panel_preferences_graphics1.xml
index e494b2b755..c7770eb81b 100644
--- a/indra/newview/skins/default/xui/da/panel_preferences_graphics1.xml
+++ b/indra/newview/skins/default/xui/da/panel_preferences_graphics1.xml
@@ -29,7 +29,6 @@
 		<check_box initial_value="true" label="Gennemsigtig vand" name="TransparentWater"/>
 		<check_box initial_value="true" label="Glatte flader og skin" name="BumpShiny"/>
 		<check_box initial_value="true" label="Lokale lys" name="LocalLights"/>
-		<check_box initial_value="true" label="Basale flader" name="BasicShaders" tool_tip="Ved at slå dette valg fra, kan det forhindres at visse grafikkort drivere crasher."/>
 		<check_box initial_value="true" label="Atmosfæriske flader" name="WindLightUseAtmosShaders"/>
 		<check_box initial_value="true" label="Lys og skygger" name="UseLightShaders"/>
 		<check_box initial_value="true" label="&quot;Ambient Occlusion&quot;" name="UseSSAO"/>
diff --git a/indra/newview/skins/default/xui/de/floater_preferences_graphics_advanced.xml b/indra/newview/skins/default/xui/de/floater_preferences_graphics_advanced.xml
index 41e8dc5ef4..cd514f5afd 100644
--- a/indra/newview/skins/default/xui/de/floater_preferences_graphics_advanced.xml
+++ b/indra/newview/skins/default/xui/de/floater_preferences_graphics_advanced.xml
@@ -82,7 +82,6 @@
 	<check_box initial_value="true" label="Transparentes Wasser" name="TransparentWater"/>
 	<check_box initial_value="true" label="Bumpmapping und Glanz" name="BumpShiny"/>
 	<check_box initial_value="true" label="Lokale Lichtquellen" name="LocalLights"/>
-	<check_box initial_value="true" label="Einfache Shader" name="BasicShaders" tool_tip="Deaktivieren Sie diese Option, wenn der Grafikkartentreiber Abstürze verursacht"/>
 	<slider label="Terraindetails:" name="TerrainDetail"/>
 	<text name="TerrainDetailText">
 		Niedrig
diff --git a/indra/newview/skins/default/xui/en/floater_preferences_graphics_advanced.xml b/indra/newview/skins/default/xui/en/floater_preferences_graphics_advanced.xml
index 70bf3f7c14..e93568a87e 100644
--- a/indra/newview/skins/default/xui/en/floater_preferences_graphics_advanced.xml
+++ b/indra/newview/skins/default/xui/en/floater_preferences_graphics_advanced.xml
@@ -609,7 +609,7 @@
     top_delta="16"
     width="300">
     <check_box.commit_callback
-      function="Pref.VertexShaderEnable" />
+      function="Pref.RenderOptionUpdate" />
   </check_box>
 
   <check_box
@@ -623,6 +623,7 @@
     top_delta="16"
     width="300" />
 
+  <!-- SL-12594, basic shaders always enabled, no fixed-function GL 
   <check_box
     control_name="VertexShaderEnable"
     height="16"
@@ -637,7 +638,8 @@
     <check_box.commit_callback
       function="Pref.VertexShaderEnable" />
   </check_box>
-
+  -->
+    
   <slider
     control_name="RenderTerrainDetail"
     follows="left|top"
@@ -683,7 +685,7 @@
     top_delta="16"
     width="280">
     <check_box.commit_callback
-      function="Pref.VertexShaderEnable" />
+      function="Pref.RenderOptionUpdate" />
   </check_box>
 
   <check_box
@@ -751,7 +753,7 @@
     top_delta="16"
     width="280">
     <check_box.commit_callback
-      function="Pref.VertexShaderEnable" />
+      function="Pref.RenderOptionUpdate" />
   </check_box>
 
   <slider
@@ -800,7 +802,7 @@
     top_delta="16"
     width="260">
     <check_box.commit_callback
-      function="Pref.VertexShaderEnable" />
+      function="Pref.RenderOptionUpdate" />
   </check_box>
 
   <check_box
@@ -814,7 +816,7 @@
     top_delta="16"
     width="240">
     <check_box.commit_callback
-      function="Pref.VertexShaderEnable" />
+      function="Pref.RenderOptionUpdate" />
   </check_box>
 
   <check_box
@@ -828,7 +830,7 @@
     top_delta="16"
     width="240">
     <check_box.commit_callback
-      function="Pref.VertexShaderEnable" />
+      function="Pref.RenderOptionUpdate" />
   </check_box>
 
   <!--
diff --git a/indra/newview/skins/default/xui/en/panel_preferences_graphics1.xml b/indra/newview/skins/default/xui/en/panel_preferences_graphics1.xml
index 4692a226d9..4d9152e9a5 100644
--- a/indra/newview/skins/default/xui/en/panel_preferences_graphics1.xml
+++ b/indra/newview/skins/default/xui/en/panel_preferences_graphics1.xml
@@ -242,7 +242,7 @@
     top_delta="24"
     width="280">
     <check_box.commit_callback
-      function="Pref.VertexShaderEnable" />
+      function="Pref.RenderOptionUpdate" />
   </check_box>
 
   <check_box
@@ -256,7 +256,7 @@
     top_delta="24"
     width="256">
     <check_box.commit_callback
-      function="Pref.VertexShaderEnable" />
+      function="Pref.RenderOptionUpdate" />
   </check_box>
   
   <slider
diff --git a/indra/newview/skins/default/xui/es/floater_preferences_graphics_advanced.xml b/indra/newview/skins/default/xui/es/floater_preferences_graphics_advanced.xml
index b8d5824fb7..2bcec020b2 100644
--- a/indra/newview/skins/default/xui/es/floater_preferences_graphics_advanced.xml
+++ b/indra/newview/skins/default/xui/es/floater_preferences_graphics_advanced.xml
@@ -82,7 +82,6 @@
 	<check_box initial_value="true" label="Agua transparente" name="TransparentWater"/>
 	<check_box initial_value="true" label="Efecto de relieve y brillo" name="BumpShiny"/>
 	<check_box initial_value="true" label="Puntos de luz locales" name="LocalLights"/>
-	<check_box initial_value="true" label="Shaders básicos" name="BasicShaders" tool_tip="Desactivar esta opción puede evitar que se bloqueen los controladores de algunas tarjetas gráficas"/>
 	<slider label="Nivel de detalle del terreno:" name="TerrainDetail"/>
 	<text name="TerrainDetailText">
 		Bajo
diff --git a/indra/newview/skins/default/xui/fr/floater_preferences_graphics_advanced.xml b/indra/newview/skins/default/xui/fr/floater_preferences_graphics_advanced.xml
index fd47254934..42af9c526d 100644
--- a/indra/newview/skins/default/xui/fr/floater_preferences_graphics_advanced.xml
+++ b/indra/newview/skins/default/xui/fr/floater_preferences_graphics_advanced.xml
@@ -82,7 +82,6 @@
 	<check_box initial_value="true" label="Eau transparente" name="TransparentWater"/>
 	<check_box initial_value="true" label="Placage de relief et brillance" name="BumpShiny"/>
 	<check_box initial_value="true" label="Lumières locales" name="LocalLights"/>
-	<check_box initial_value="true" label="Effets de base" name="BasicShaders" tool_tip="La désactivation de cette option peut éviter le plantage de certains pilotes de cartes graphiques"/>
 	<slider label="Rendu du terrain :" name="TerrainDetail"/>
 	<text name="TerrainDetailText">
 		Faible
diff --git a/indra/newview/skins/default/xui/it/floater_preferences_graphics_advanced.xml b/indra/newview/skins/default/xui/it/floater_preferences_graphics_advanced.xml
index 3773ef3711..53f9ebc6fd 100644
--- a/indra/newview/skins/default/xui/it/floater_preferences_graphics_advanced.xml
+++ b/indra/newview/skins/default/xui/it/floater_preferences_graphics_advanced.xml
@@ -82,7 +82,6 @@
 	<check_box initial_value="true" label="Acqua trasparente" name="TransparentWater"/>
 	<check_box initial_value="true" label="Mappatura urti e brillantezza" name="BumpShiny"/>
 	<check_box initial_value="true" label="Luci locali" name="LocalLights"/>
-	<check_box initial_value="true" label="Shader di base" name="BasicShaders" tool_tip="Se si disattiva questa opzione, si possono evitare interruzioni nei driver di alcune schede grafiche"/>
 	<slider label="Dettagli terreno:" name="TerrainDetail"/>
 	<text name="TerrainDetailText">
 		Basso
diff --git a/indra/newview/skins/default/xui/ja/floater_preferences_graphics_advanced.xml b/indra/newview/skins/default/xui/ja/floater_preferences_graphics_advanced.xml
index c28afa4c98..8ba537faa2 100644
--- a/indra/newview/skins/default/xui/ja/floater_preferences_graphics_advanced.xml
+++ b/indra/newview/skins/default/xui/ja/floater_preferences_graphics_advanced.xml
@@ -82,7 +82,6 @@
 	<check_box initial_value="true" label="透明な水" name="TransparentWater"/>
 	<check_box initial_value="true" label="バンプマッピングと光沢" name="BumpShiny"/>
 	<check_box initial_value="true" label="近くの光" name="LocalLights"/>
-	<check_box initial_value="true" label="基本シェーダー" name="BasicShaders" tool_tip="このオプションを無効にすると、グラフィックカードのドライバの種類によっては、クラッシュするのを防ぎます。"/>
 	<slider label="地形詳細：" name="TerrainDetail"/>
 	<text name="TerrainDetailText">
 		低
diff --git a/indra/newview/skins/default/xui/pl/panel_preferences_graphics1.xml b/indra/newview/skins/default/xui/pl/panel_preferences_graphics1.xml
index 738805d800..e8c400dbd1 100644
--- a/indra/newview/skins/default/xui/pl/panel_preferences_graphics1.xml
+++ b/indra/newview/skins/default/xui/pl/panel_preferences_graphics1.xml
@@ -28,7 +28,6 @@
 		<check_box label="Przezroczysta woda" name="TransparentWater" />
 		<check_box label="Mapping wypukłości i połysk" name="BumpShiny" />
 		<check_box label="Lokalne światła" name="LocalLights" />
-		<check_box label="Podstawowe shadery" name="BasicShaders" tool_tip="Wyłączenie tej opcji może naprawić błędy niektórych sterowników graficznych" />
 		<check_box label="Shadery atmosfery" name="WindLightUseAtmosShaders" />
 		<check_box label="Zaawansowane oświetlenie" name="UseLightShaders" />
 		<check_box label="Okluzja otoczenia" name="UseSSAO" />
diff --git a/indra/newview/skins/default/xui/pt/floater_preferences_graphics_advanced.xml b/indra/newview/skins/default/xui/pt/floater_preferences_graphics_advanced.xml
index c5039267ca..bbe36e3e03 100644
--- a/indra/newview/skins/default/xui/pt/floater_preferences_graphics_advanced.xml
+++ b/indra/newview/skins/default/xui/pt/floater_preferences_graphics_advanced.xml
@@ -82,7 +82,6 @@
 	<check_box initial_value="true" label="Água transparente" name="TransparentWater"/>
 	<check_box initial_value="true" label="Mapeamento de relevo e brilho" name="BumpShiny"/>
 	<check_box initial_value="true" label="Luzes locais" name="LocalLights"/>
-	<check_box initial_value="true" label="Sombreamento simples" name="BasicShaders" tool_tip="Desativar essa opção pode evitar o travamento de alguns drivers de placas gráficas"/>
 	<slider label="Detalhes do terreno:" name="TerrainDetail"/>
 	<text name="TerrainDetailText">
 		Baixo
diff --git a/indra/newview/skins/default/xui/ru/floater_preferences_graphics_advanced.xml b/indra/newview/skins/default/xui/ru/floater_preferences_graphics_advanced.xml
index fc6b6a173e..84e1ff15a0 100644
--- a/indra/newview/skins/default/xui/ru/floater_preferences_graphics_advanced.xml
+++ b/indra/newview/skins/default/xui/ru/floater_preferences_graphics_advanced.xml
@@ -82,7 +82,6 @@
 	<check_box initial_value="true" label="Прозрачность воды" name="TransparentWater"/>
 	<check_box initial_value="true" label="Рельефность и сияние" name="BumpShiny"/>
 	<check_box initial_value="true" label="Локальный свет" name="LocalLights"/>
-	<check_box initial_value="true" label="Базовые шейдеры" name="BasicShaders" tool_tip="Отключение этого параметра может предотвратить зависание некоторых видеокарт"/>
 	<slider label="Ландшафт:" name="TerrainDetail"/>
 	<text name="TerrainDetailText">
 		Низкая
diff --git a/indra/newview/skins/default/xui/tr/floater_preferences_graphics_advanced.xml b/indra/newview/skins/default/xui/tr/floater_preferences_graphics_advanced.xml
index 01ada1354c..c5ca997336 100644
--- a/indra/newview/skins/default/xui/tr/floater_preferences_graphics_advanced.xml
+++ b/indra/newview/skins/default/xui/tr/floater_preferences_graphics_advanced.xml
@@ -82,7 +82,6 @@
 	<check_box initial_value="true" label="Saydam Su" name="TransparentWater"/>
 	<check_box initial_value="true" label="Tümsek eşleme ve parlaklık" name="BumpShiny"/>
 	<check_box initial_value="true" label="Yerel Işıklar" name="LocalLights"/>
-	<check_box initial_value="true" label="Temel gölgeleyiciler" name="BasicShaders" tool_tip="Bu seçeneğin devre dışı bırakılması bazı grafik kartlarının sürücülerinin kilitlenmesini önleyebilir"/>
 	<slider label="Yüzey Ayrıntısı:" name="TerrainDetail"/>
 	<text name="TerrainDetailText">
 		Düşük
diff --git a/indra/newview/skins/default/xui/zh/floater_preferences_graphics_advanced.xml b/indra/newview/skins/default/xui/zh/floater_preferences_graphics_advanced.xml
index 7b127acd71..58314efeed 100644
--- a/indra/newview/skins/default/xui/zh/floater_preferences_graphics_advanced.xml
+++ b/indra/newview/skins/default/xui/zh/floater_preferences_graphics_advanced.xml
@@ -82,7 +82,6 @@
 	<check_box initial_value="true" label="清澈透明的水" name="TransparentWater"/>
 	<check_box initial_value="true" label="凹凸映射與光澤效果" name="BumpShiny"/>
 	<check_box initial_value="true" label="本地光線" name="LocalLights"/>
-	<check_box initial_value="true" label="基本著色" name="BasicShaders" tool_tip="關閉此一選項可能避免部分顯示卡驅動程式損毀當機"/>
 	<slider label="地形細節：" name="TerrainDetail"/>
 	<text name="TerrainDetailText">
 		低