Cocoa Port: Synchronously force a framebuffer fetch on startup to guarantee that all display windows will appear black.

desmume/src/frontend/cocoa/cocoa_GPU.h

@@ -78,6 +78,7 @@ typedef std::map<CGDirectDisplayID, int64_t> DisplayLinkFlushTimeLimitMap;
 - (void) displayLinkStartUsingID:(CGDirectDisplayID)displayID;
 - (void) displayLinkListUpdate;
 
+- (void) fetchSynchronousAtIndex:(uint8_t)index;
 - (void) signalFetchAtIndex:(uint8_t)index;
 - (void) runFetchLoop;
 

desmume/src/frontend/cocoa/cocoa_GPU.mm

@@ -196,8 +196,6 @@ public:
 	GPU->SetWillAutoResolveToCustomBuffer(false);
 #endif
 	
-	[self clearWithColor:0x8000];
-	
 	return self;
 }
 
@@ -1197,6 +1195,11 @@ public:
 	pthread_mutex_unlock(&_mutexDisplayLinkLists);
 }
 
+- (void) fetchSynchronousAtIndex:(uint8_t)index
+{
+	GPUFetchObject->FetchFromBufferIndex(index);
+}
+
 - (void) signalFetchAtIndex:(uint8_t)index
 {
 	pthread_mutex_lock(&_mutexFetchExecute);

desmume/src/frontend/cocoa/userinterface/EmuControllerDelegate.mm

@@ -2254,7 +2254,7 @@
 	[[cdsCore cdsGPU] setRender3DFragmentSamplingHack:[[NSUserDefaults standardUserDefaults] boolForKey:@"Render3D_FragmentSamplingHack"]];
 	[[cdsCore cdsGPU] setGpuScale:(NSUInteger)[[NSUserDefaults standardUserDefaults] integerForKey:@"Render3D_ScalingFactor"]];
 	[[cdsCore cdsGPU] setGpuColorFormat:(NSUInteger)[[NSUserDefaults standardUserDefaults] integerForKey:@"Render3D_ColorFormat"]];
-	[[[cdsCore cdsGPU] sharedData] signalFetchAtIndex:0];
+	[[[cdsCore cdsGPU] sharedData] fetchSynchronousAtIndex:0];
 	
 	// Set the stylus options per user preferences.
 	[[cdsCore cdsController] setStylusPressure:[[NSUserDefaults standardUserDefaults] integerForKey:@"Emulation_StylusPressure"]];