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Implement OBJWIN for OBJs

This commit is contained in:
Jeffrey Pfau 2014-02-01 16:58:55 -08:00
parent d09004cf01
commit cc53b06cae
1 changed files with 21 additions and 5 deletions
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26
src/gba/renderers/video-software.c
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@ -1545,11 +1545,27 @@ static void _postprocessSprite(struct GBAVideoSoftwareRenderer* renderer, unsign
int x;
uint32_t* pixel = renderer->row;
uint32_t flags = FLAG_TARGET_2 * renderer->target2Obj;
for (x = 0; x < VIDEO_HORIZONTAL_PIXELS; ++x, ++pixel) {
uint32_t color = renderer->spriteLayer[x] & ~FLAG_OBJWIN;
uint32_t current = *pixel;
if ((color & FLAG_UNWRITTEN) != FLAG_UNWRITTEN && (color & FLAG_PRIORITY) >> OFFSET_PRIORITY == priority) {
_compositeBlendObjwin(renderer, pixel, color | flags, current);
int objwinSlowPath = renderer->dispcnt.objwinEnable;
int objwinDisable = 0;
if (objwinSlowPath) {
objwinDisable = !renderer->objwin.objEnable;
}
if (objwinSlowPath && objwinDisable) {
for (x = 0; x < VIDEO_HORIZONTAL_PIXELS; ++x, ++pixel) {
uint32_t color = renderer->spriteLayer[x] & ~FLAG_OBJWIN;
uint32_t current = *pixel;
if ((color & FLAG_UNWRITTEN) != FLAG_UNWRITTEN && !(current & FLAG_OBJWIN) && (color & FLAG_PRIORITY) >> OFFSET_PRIORITY == priority) {
_compositeBlendObjwin(renderer, pixel, color | flags, current);
}
}
} else {
for (x = 0; x < VIDEO_HORIZONTAL_PIXELS; ++x, ++pixel) {
uint32_t color = renderer->spriteLayer[x] & ~FLAG_OBJWIN;
uint32_t current = *pixel;
if ((color & FLAG_UNWRITTEN) != FLAG_UNWRITTEN && (color & FLAG_PRIORITY) >> OFFSET_PRIORITY == priority) {
_compositeBlendNoObjwin(renderer, pixel, color | flags, current);
}
}
}
}