From 148349a00aa9348cfd51580527d09999815ffbe6 Mon Sep 17 00:00:00 2001
From: Sergey Lipskiy <gonetz@ngs.ru>
Date: Sat, 5 Dec 2015 21:46:07 +0600
Subject: [PATCH] Fix FrameBufferToRDRAM::_prepareCopy

Wrong buffer could be used when several buffers copied per frame
---
 src/FrameBuffer.cpp | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/FrameBuffer.cpp b/src/FrameBuffer.cpp
index 31a645be..1162bcee 100644
--- a/src/FrameBuffer.cpp
+++ b/src/FrameBuffer.cpp
@@ -1045,13 +1045,14 @@ void FrameBufferToRDRAM::Destroy() {
 bool FrameBufferToRDRAM::_prepareCopy(u32 _address)
 {
 	const u32 curFrame = video().getBuffersSwapCount();
-	if (m_frameCount == curFrame)
+	FrameBuffer * pBuffer = frameBufferList().findBuffer(_address);
+	if (m_frameCount == curFrame && pBuffer == m_pCurFrameBuffer)
 		return true;
 
 	if (VI.width == 0 || frameBufferList().getCurrent() == NULL)
 		return false;
 
-	m_pCurFrameBuffer = frameBufferList().findBuffer(_address);
+	m_pCurFrameBuffer = pBuffer;
 	if (m_pCurFrameBuffer == NULL || m_pCurFrameBuffer->m_isOBScreen)
 		return false;