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Partially unroll video clearing loop

This commit is contained in:
Jeffrey Pfau 2014-01-21 22:37:08 -08:00
parent 52808da265
commit f08e466fce
1 changed files with 4 additions and 1 deletions
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5
src/gba/renderers/video-software.c
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@ -356,8 +356,11 @@ static void GBAVideoSoftwareRendererDrawScanline(struct GBAVideoRenderer* render
}
int x;
for (x = 0; x < VIDEO_HORIZONTAL_PIXELS; ++x) {
for (x = 0; x < VIDEO_HORIZONTAL_PIXELS; x += 4) {
softwareRenderer->spriteLayer[x] = FLAG_UNWRITTEN;
softwareRenderer->spriteLayer[x + 1] = FLAG_UNWRITTEN;
softwareRenderer->spriteLayer[x + 2] = FLAG_UNWRITTEN;
softwareRenderer->spriteLayer[x + 3] = FLAG_UNWRITTEN;
}
softwareRenderer->windows[0].endX = VIDEO_HORIZONTAL_PIXELS;