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GBA Video: Minor sprite optimization

This commit is contained in:
Jeffrey Pfau 2016-10-22 23:40:01 -07:00
parent 0c665cf5a3
commit d77793231d
1 changed files with 2 additions and 2 deletions
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4
src/gba/renderers/software-obj.c
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@ -65,7 +65,7 @@
}
#define SPRITE_XBASE_16(localX) unsigned xBase = (localX & ~0x7) * 4 + ((localX >> 1) & 2);
#define SPRITE_YBASE_16(localY) unsigned yBase = (localY & ~0x7) * (GBARegisterDISPCNTIsObjCharacterMapping(renderer->dispcnt) ? width >> 1 : 0x80) + (localY & 0x7) * 4;
#define SPRITE_YBASE_16(localY) unsigned yBase = (localY & ~0x7) * stride + (localY & 0x7) * 4;
#define SPRITE_DRAW_PIXEL_16_NORMAL(localX) \
LOAD_16(tileData, ((yBase + charBase + xBase) & 0x7FFE), vramBase); \
@ -181,7 +181,7 @@ int GBAVideoSoftwareRendererPreprocessSprite(struct GBAVideoSoftwareRenderer* re
}
int inY = y - (int) GBAObjAttributesAGetY(sprite->a);
int stride = GBARegisterDISPCNTIsObjCharacterMapping(renderer->dispcnt) ? width : 0x80;
int stride = GBARegisterDISPCNTIsObjCharacterMapping(renderer->dispcnt) ? (width >> !GBAObjAttributesAIs256Color(sprite->a)) : 0x80;
uint32_t current;
if (GBAObjAttributesAIsTransformed(sprite->a)) {