[Scummvm-cvs-logs] SF.net SVN: scummvm:[50424] scummvm/trunk/engines/sci/graphics/screen.cpp
fingolfin at users.sourceforge.net
fingolfin at users.sourceforge.net
Mon Jun 28 13:21:07 CEST 2010
Revision: 50424
http://scummvm.svn.sourceforge.net/scummvm/?rev=50424&view=rev
Author: fingolfin
Date: 2010-06-28 11:21:07 +0000 (Mon, 28 Jun 2010)
Log Message:
-----------
SCI: Optimized GfxScreen::scale2x a bit
Modified Paths:
--------------
scummvm/trunk/engines/sci/graphics/screen.cpp
Modified: scummvm/trunk/engines/sci/graphics/screen.cpp
===================================================================
--- scummvm/trunk/engines/sci/graphics/screen.cpp 2010-06-28 11:20:51 UTC (rev 50423)
+++ scummvm/trunk/engines/sci/graphics/screen.cpp 2010-06-28 11:21:07 UTC (rev 50424)
@@ -594,18 +594,19 @@
}
void GfxScreen::scale2x(const byte *src, byte *dst, int16 srcWidth, int16 srcHeight) {
- int newWidth = srcWidth * 2;
+ const int newWidth = srcWidth * 2;
const byte *srcPtr = src;
for (int y = 0; y < srcHeight; y++) {
for (int x = 0; x < srcWidth; x++) {
- int destOffset = y * 2 * newWidth + x * 2;
- dst[destOffset] = *srcPtr;
- dst[destOffset + 1] = *srcPtr;
- dst[destOffset + newWidth] = *srcPtr;
- dst[destOffset + newWidth + 1] = *srcPtr;
- srcPtr++;
+ const byte color = *srcPtr++;
+ dst[0] = color;
+ dst[1] = color;
+ dst[newWidth] = color;
+ dst[newWidth + 1] = color;
+ dst += 2;
}
+ dst += srcWidth;
}
}
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