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Use the faster memset() in Surface::fillRect() for 16bit modes when possible.

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svn-id: r48756
This commit is contained in:
Andre Heider 2010-04-20 20:22:33 +00:00
parent 2242ee33ac
commit 74c0db4548
1 changed files with 13 additions and 6 deletions
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19
graphics/surface.cpp
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@ -135,23 +135,30 @@ void Surface::fillRect(Common::Rect r, uint32 color) {
return;
int width = r.width();
int lineLen = width;
int height = r.height();
// int i;
bool useMemset = true;
if (bytesPerPixel == 1) {
if (bytesPerPixel == 2) {
lineLen *= 2;
if ((uint16)color != ((color & 0xff) | (color & 0xff) << 8))
useMemset = false;
} else if (bytesPerPixel != 1) {
error("Surface::fillRect: bytesPerPixel must be 1 or 2");
}
if (useMemset) {
byte *ptr = (byte *)getBasePtr(r.left, r.top);
while (height--) {
memset(ptr, (byte)color, width);
memset(ptr, (byte)color, lineLen);
ptr += pitch;
}
} else if (bytesPerPixel == 2) {
} else {
uint16 *ptr = (uint16 *)getBasePtr(r.left, r.top);
while (height--) {
Common::set_to(ptr, ptr + width, (uint16)color);
ptr += pitch/2;
}
} else {
error("Surface::fillRect: bytesPerPixel must be 1 or 2");
}
}