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-rw-r--r--common/scaler.cpp9
1 files changed, 5 insertions, 4 deletions
diff --git a/common/scaler.cpp b/common/scaler.cpp
index d78a52de3b..b767036cd5 100644
--- a/common/scaler.cpp
+++ b/common/scaler.cpp
@@ -697,19 +697,20 @@ int stretch200To240(uint8 *buf, uint32 pitch, int width, int height, int srcX, i
for (y = maxDstY; y >= srcY; y--) {
uint8 *srcPtr = buf + srcX * 2 + (aspect2Real(y) + off) * pitch;
- if (srcPtr == dstPtr)
- break;
-
#if 0
// Don't use bilinear filtering, rather just duplicate pixel lines:
// a little bit faster, but looks ugly
+ if (srcPtr == dstPtr)
+ break;
+
memcpy(dstPtr, srcPtr, width * 2);
#else
// Bilinear filter
switch (y % 6) {
case 0:
case 5:
- memcpy(dstPtr, srcPtr, width * 2);
+ if (srcPtr != dstPtr)
+ memcpy(dstPtr, srcPtr, width * 2);
break;
case 1:
case 4: