all repos — mgba @ 17ccb35c33c80580d0e2043413bd045e4d201ab1

mGBA Game Boy Advance Emulator

Small, trivial optimizations in GBAVideoSoftwareRendererDrawScanline
Jeffrey Pfau jeffrey@endrift.com
Thu, 24 Oct 2013 00:54:51 -0700
commit

17ccb35c33c80580d0e2043413bd045e4d201ab1

parent

6eafbc6331623f3c246f7ce6b5fef4c7e6189794

1 files changed, 4 insertions(+), 2 deletions(-)

jump to
M src/gba/renderers/video-software.c → src/gba/renderers/video-software.c 
@@ -372,7 +372,8 @@ backdrop |= softwareRenderer->normalPalette[0];
 		} else {
 			backdrop |= softwareRenderer->variantPalette[0];
 		}
-		for (; x < softwareRenderer->windows[w].endX; ++x) {
+		int end = softwareRenderer->windows[w].endX;
+		for (; x < end; ++x) {
 			softwareRenderer->row[x] = backdrop;
 		}
 	}

@@ -388,7 +389,8 @@ backdrop |= softwareRenderer->normalPalette[0];
 			} else {
 				backdrop |= softwareRenderer->variantPalette[0];
 			}
-			for (; x < softwareRenderer->windows[w].endX; ++x) {
+			int end = softwareRenderer->windows[w].endX;
+			for (; x < end; ++x) {
 				uint32_t color = softwareRenderer->row[x];
 				if (color & FLAG_TARGET_1 && !(color & FLAG_FINALIZED)) {
 					softwareRenderer->row[x] = _mix(softwareRenderer->bldb, backdrop, softwareRenderer->blda, color);