From 04e06869d9de0836c9e97102e5e9cdea987592cd Mon Sep 17 00:00:00 2001
From: rogerman <rogerman@users.sf.net>
Date: Thu, 3 Mar 2016 01:27:23 +0000
Subject: [PATCH] GPU: - Fix bug where the background would blink in The Wizard
 of Oz: Beyond the Yellow Brick Road when frameskip is enabled. (Regression
 from r5368).

---
 desmume/src/GPU.cpp | 75 ---------------------------------------------
 desmume/src/GPU.h   |  1 -
 2 files changed, 76 deletions(-)

diff --git a/desmume/src/GPU.cpp b/desmume/src/GPU.cpp
index e7758be83..f63689a16 100644
--- a/desmume/src/GPU.cpp
+++ b/desmume/src/GPU.cpp
@@ -4451,81 +4451,6 @@ void GPUEngineA::RenderLine(const u16 l)
 	}
 }
 
-void GPUEngineA::UpdatePropertiesWithoutRender(const u16 l)
-{
-	GPUEngineBase::UpdatePropertiesWithoutRender(l);
-	
-	// Update display capture properties
-	const IOREG_DISPCAPCNT &DISPCAPCNT = this->_IORegisterMap->DISPCAPCNT;
-	const u8 vramWriteBlock = DISPCAPCNT.VRAMWriteBlock;
-	
-	if ((DISPCAPCNT.CaptureEnable != 0) && (vramConfiguration.banks[vramWriteBlock].purpose == VramConfiguration::LCDC) && (l < this->_dispCapCnt.capy))
-	{
-		const IOREG_DISPCNT &DISPCNT = this->_IORegisterMap->DISPCNT;
-		const u8 vramReadBlock = DISPCNT.VRAM_Block;
-		const size_t writeLineIndexWithOffset = (DISPCAPCNT.VRAMWriteOffset * 64) + l;
-		const size_t readLineIndexWithOffset = (this->_dispCapCnt.readOffset * 64) + l;
-		bool newCaptureLineNativeState = true;
-		
-		switch (DISPCAPCNT.CaptureSrc)
-		{
-			case 0: // Capture source is SourceA
-			{
-				switch (DISPCAPCNT.SrcA)
-				{
-					case 0:
-						newCaptureLineNativeState = !this->isCustomRenderingNeeded;
-						break;
-						
-					case 1:
-						newCaptureLineNativeState = this->WillRender3DLayer() && CurrentRenderer->IsFramebufferNativeSize();
-						break;
-				}
-				break;
-			}
-				
-			case 1: // Capture source is SourceB
-			{
-				switch (DISPCAPCNT.SrcB)
-				{
-					case 0: // Capture VRAM
-						newCaptureLineNativeState = this->isLineCaptureNative[vramReadBlock][readLineIndexWithOffset];
-						break;
-						
-					case 1: // Capture FIFO
-						newCaptureLineNativeState = true;
-						break;
-				}
-				break;
-			}
-				
-			default: // Capture source is SourceA+B blended
-			{
-				if ( (DISPCAPCNT.SrcB == 0) && !this->isLineCaptureNative[vramReadBlock][readLineIndexWithOffset] )
-				{
-					newCaptureLineNativeState = false;
-				}
-				else
-				{
-					newCaptureLineNativeState = !this->isCustomRenderingNeeded;
-				}
-				break;
-			}
-		}
-		
-		if (this->isLineCaptureNative[vramWriteBlock][writeLineIndexWithOffset] && !newCaptureLineNativeState)
-		{
-			this->isLineCaptureNative[vramWriteBlock][writeLineIndexWithOffset] = false;
-			this->nativeLineCaptureCount[vramWriteBlock]--;
-		}
-		else if (!this->isLineCaptureNative[vramWriteBlock][writeLineIndexWithOffset] && newCaptureLineNativeState)
-		{
-			this->isLineCaptureNative[vramWriteBlock][writeLineIndexWithOffset] = true;
-			this->nativeLineCaptureCount[vramWriteBlock]++;
-		}
-	}
-}
-
 u16* GPUEngineA::_RenderLine_Layers(const u16 l)
 {
 	const NDSDisplayInfo &dispInfo = GPU->GetDisplayInfo();
diff --git a/desmume/src/GPU.h b/desmume/src/GPU.h
index 2ecb35740..dcc5202fd 100644
--- a/desmume/src/GPU.h
+++ b/desmume/src/GPU.h
@@ -1423,7 +1423,6 @@ public:
 	bool WillCapture3DLayerDirect();
 	bool VerifyVRAMLineDidChange(const size_t blockID, const size_t l);
 	
-	void UpdatePropertiesWithoutRender(const u16 l);
 	void FramebufferPostprocess();
 	
 	virtual void Reset();