Do not remove auxilary color buffers on interlaced mode switch.

Fixed removal of color buffers with pokemon portraits in Pokemon Stadium 2.

FrameBuffer.cpp

@@ -422,6 +422,18 @@ void FrameBufferList::removeBuffer(u32 _address )
 		}
 }
 
+void FrameBufferList::removeBuffers(u32 _width, u32 _height)
+{
+	m_pCurrent = NULL;
+	for (FrameBuffers::iterator iter = m_list.begin(); iter != m_list.end(); ++iter) {
+		while (iter->m_width == _width && iter->m_height == _height) {
+			iter = m_list.erase(iter);
+			if (iter == m_list.end())
+				return;
+		}
+	}
+}
+
 void FrameBufferList::attachDepthBuffer()
 {
 	if (m_pCurrent == NULL)

FrameBuffer.h

@@ -50,6 +50,7 @@ public:
 	void destroy();
 	void saveBuffer(u32 _address, u16 _format, u16 _size, u16 _width, u16 _height, bool _cfb);
 	void removeBuffer(u32 _address);
+	void removeBuffers(u32 _width, u32 _height);
 	void attachDepthBuffer();
 	FrameBuffer * findBuffer(u32 _startAddress);
 	FrameBuffer * findTmpBuffer(u32 _address);

VI.cpp

@@ -67,10 +67,10 @@ void VI_UpdateSize()
 //	const int divot = ((*REG.VI_STATUS) >> 4) & 1;
 
 	if (config.frameBufferEmulation.enable && (interlacedPrev != VI.interlaced || widthPrev != VI.width || heightPrev != VI.height)) {
-		frameBufferList().destroy();
+		frameBufferList().removeBuffers(widthPrev, heightPrev);
+		frameBufferList().removeBuffers(VI.width, VI.height);
 		depthBufferList().destroy();
 		depthBufferList().init();
-		frameBufferList().init();
 	}
 
 	VI.rwidth = VI.width != 0 ? 1.0f / VI.width : 0.0f;