SH-2570 Don't minimize viewer when reloading shaders (revert hack that didn't...

SH-2570 Don't minimize viewer when reloading shaders (revert hack that didn't work) and pause shader loading until after all feature masks have been applied when switching detail levels

indra/newview/llfeaturemanager.cpp

@@ -51,6 +51,7 @@
 #include "llcontrol.h"
 #include "llboost.h"
 #include "llweb.h"
+#include "llviewershadermgr.h"
 
 #if LL_WINDOWS
 #include "lldxhardware.h"
@@ -662,8 +663,10 @@ void LLFeatureManager::applyFeatures(bool skipFeatures)
 
 void LLFeatureManager::setGraphicsLevel(S32 level, bool skipFeatures)
 {
-	applyBaseMasks();
+	LLViewerShaderMgr::sSkipReload = true;
 
+	applyBaseMasks();
+	
 	switch (level)
 	{
 		case 0:
@@ -684,6 +687,9 @@ void LLFeatureManager::setGraphicsLevel(S32 level, bool skipFeatures)
 	}
 
 	applyFeatures(skipFeatures);
+
+	LLViewerShaderMgr::sSkipReload = false;
+	LLViewerShaderMgr::instance()->setShaders();
 }
 
 void LLFeatureManager::applyBaseMasks()

indra/newview/llviewershadermgr.cpp

@@ -59,6 +59,7 @@ using std::make_pair;
 using std::string;
 
 BOOL				LLViewerShaderMgr::sInitialized = FALSE;
+bool				LLViewerShaderMgr::sSkipReload = false;
 
 LLVector4			gShinyOrigin;
 
@@ -350,7 +351,7 @@ void LLViewerShaderMgr::setShaders()
 	//setShaders might be called redundantly by gSavedSettings, so return on reentrance
 	static bool reentrance = false;
 	
-	if (!gPipeline.mInitialized || !sInitialized || reentrance)
+	if (!gPipeline.mInitialized || !sInitialized || reentrance || sSkipReload)
 	{
 		return;
 	}
@@ -401,9 +402,6 @@ void LLViewerShaderMgr::setShaders()
 	if (gViewerWindow)
 	{
 		gViewerWindow->setCursor(UI_CURSOR_WAIT);
-		//VICIOUS HACK -- some drivers will time out if we don't redraw the window within 2 seconds, and this operation can take awhile
-		//minimizing tells the driver we won't be updating the window for a bit
-		gViewerWindow->getWindow()->minimize();
 	}
 
 	// Lighting

indra/newview/llviewershadermgr.h

@@ -33,6 +33,7 @@ class LLViewerShaderMgr: public LLShaderMgr
 {
 public:
 	static BOOL sInitialized;
+	static bool sSkipReload;
 
 	LLViewerShaderMgr();
 	/* virtual */ ~LLViewerShaderMgr();