diff --git a/src/BufferCopy/ColorBufferToRDRAM.cpp b/src/BufferCopy/ColorBufferToRDRAM.cpp
index 1102b82f..bfe0e1fc 100644
--- a/src/BufferCopy/ColorBufferToRDRAM.cpp
+++ b/src/BufferCopy/ColorBufferToRDRAM.cpp
@@ -320,16 +320,16 @@ void ColorBufferToRDRAM::_copy(u32 _startAddress, u32 _endAddress, bool _sync)
 	if (m_pCurFrameBuffer->m_size == G_IM_SIZ_32b) {
 		u32 *ptr_src = (u32*)pPixels;
 		u32 *ptr_dst = (u32*)(RDRAM + _startAddress);
-		writeToRdram<u32, u32>(ptr_src, ptr_dst, &ColorBufferToRDRAM::_RGBAtoRGBA32, 0, 0, width, height, numPixels, _startAddress, m_pCurFrameBuffer->m_startAddress, m_pCurFrameBuffer->m_size);
+		writeToRdram<u32, u32>(ptr_src, ptr_dst, &ColorBufferToRDRAM::_RGBAtoRGBA32, valueTester<u32, 0>, 0, width, height, numPixels, _startAddress, m_pCurFrameBuffer->m_startAddress, m_pCurFrameBuffer->m_size);
 	} else if (m_pCurFrameBuffer->m_size == G_IM_SIZ_16b) {
 		u32 *ptr_src = (u32*)pPixels;
 		u16 *ptr_dst = (u16*)(RDRAM + _startAddress);
 		m_blueNoiseIdx++;
-		writeToRdram<u32, u16>(ptr_src, ptr_dst, &ColorBufferToRDRAM::_RGBAtoRGBA16, 0, 1, width, height, numPixels, _startAddress, m_pCurFrameBuffer->m_startAddress, m_pCurFrameBuffer->m_size);
+		writeToRdram<u32, u16>(ptr_src, ptr_dst, &ColorBufferToRDRAM::_RGBAtoRGBA16, valueTester<u32, 0>, 1, width, height, numPixels, _startAddress, m_pCurFrameBuffer->m_startAddress, m_pCurFrameBuffer->m_size);
 	} else if (m_pCurFrameBuffer->m_size == G_IM_SIZ_8b) {
 		u8 *ptr_src = (u8*)pPixels;
 		u8 *ptr_dst = RDRAM + _startAddress;
-		writeToRdram<u8, u8>(ptr_src, ptr_dst, &ColorBufferToRDRAM::_RGBAtoR8, 0, 3, width, height, numPixels, _startAddress, m_pCurFrameBuffer->m_startAddress, m_pCurFrameBuffer->m_size);
+		writeToRdram<u8, u8>(ptr_src, ptr_dst, &ColorBufferToRDRAM::_RGBAtoR8, dummyTester<u8>, 3, width, height, numPixels, _startAddress, m_pCurFrameBuffer->m_startAddress, m_pCurFrameBuffer->m_size);
 	}
 
 	m_pCurFrameBuffer->m_copiedToRdram = true;
diff --git a/src/BufferCopy/DepthBufferToRDRAM.cpp b/src/BufferCopy/DepthBufferToRDRAM.cpp
index 9defc6e0..8cf3913d 100644
--- a/src/BufferCopy/DepthBufferToRDRAM.cpp
+++ b/src/BufferCopy/DepthBufferToRDRAM.cpp
@@ -255,7 +255,7 @@ bool DepthBufferToRDRAM::_copy(u32 _startAddress, u32 _endAddress)
 	writeToRdram<f32, u16>(srcBuf.data(),
 						   ptr_dst,
 						   &DepthBufferToRDRAM::_FloatToUInt16,
-						   2.0f,
+						   dummyTester<f32>,
 						   1,
 						   width,
 						   height,
diff --git a/src/BufferCopy/WriteToRDRAM.h b/src/BufferCopy/WriteToRDRAM.h
index 8e9d2487..745218c2 100644
--- a/src/BufferCopy/WriteToRDRAM.h
+++ b/src/BufferCopy/WriteToRDRAM.h
@@ -4,8 +4,29 @@
 
 #include "../Types.h"
 
+template <typename T, T testValue>
+bool valueTester(T _c)
+{
+	return _c != testValue;
+}
+
+template <typename T>
+bool dummyTester(T _c)
+{
+	return true;
+}
+
 template <typename TSrc, typename TDst>
-void writeToRdram(TSrc* _src, TDst* _dst, TDst(*converter)(TSrc _c, u32 x, u32 y), TSrc _testValue, u32 _xor, u32 _width, u32 _height, u32 _numPixels, u32 _startAddress, u32 _bufferAddress, u32 _bufferSize)
+void writeToRdram(TSrc* _src, TDst* _dst,
+	TDst(*converter)(TSrc _c, u32 x, u32 y),
+	bool(*tester)(TSrc _c),
+	u32 _xor,
+	u32 _width,
+	u32 _height,
+	u32 _numPixels,
+	u32 _startAddress,
+	u32 _bufferAddress,
+	u32 _bufferSize)
 {
 	u32 chunkStart = ((_startAddress - _bufferAddress) >> (_bufferSize - 1)) % _width;
 	if (chunkStart % 2 != 0) {
@@ -20,7 +41,7 @@ void writeToRdram(TSrc* _src, TDst* _dst, TDst(*converter)(TSrc _c, u32 x, u32 y
 	if (chunkStart > 0) {
 		for (u32 x = chunkStart; x < _width; ++x) {
 			c = _src[x];
-			if (c != _testValue)
+			if (tester(c))
 				_dst[numStored ^ _xor] = converter(c, x, y);
 			++numStored;
 		}
@@ -32,7 +53,7 @@ void writeToRdram(TSrc* _src, TDst* _dst, TDst(*converter)(TSrc _c, u32 x, u32 y
 	for (; y < _height; ++y) {
 		for (u32 x = 0; x < _width && numStored < _numPixels; ++x) {
 			c = _src[x + y *_width];
-			if (c != _testValue)
+			if (tester(c))
 				_dst[(x + dsty*_width) ^ _xor] = converter(c, x, y);
 			++numStored;
 		}