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Optimize palette access

This commit is contained in:
Jeffrey Pfau 2013-11-04 22:43:20 -08:00
parent 7d688ceb5a
commit 2c826e208c
1 changed files with 10 additions and 5 deletions
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15
src/gba/renderers/video-software.c
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@ -637,10 +637,10 @@ static void _composite(struct GBAVideoSoftwareRenderer* renderer, uint32_t* pixe
current = *pixel; \
if (pixelData && !(current & FLAG_FINALIZED)) { \
if (!objwinSlowPath) { \
_composite(renderer, pixel, palette[pixelData | paletteData] | flags, current); \
_composite(renderer, pixel, palette[pixelData] | flags, current); \
} else if (objwinForceEnable || !(current & FLAG_OBJWIN) == objwinOnly) { \
color_t* currentPalette = (current & FLAG_OBJWIN) ? objwinPalette : palette; \
_composite(renderer, pixel, currentPalette[pixelData | paletteData] | flags, current); \
unsigned color = (current & FLAG_OBJWIN) ? objwinPalette[paletteData | pixelData] : palette[pixelData]; \
_composite(renderer, pixel, color | flags, current); \
} \
} \
tileData >>= 4;
@ -734,10 +734,11 @@ static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, stru
uint32_t screenBase;
uint32_t charBase;
int variant = background->target1 && renderer->currentWindow.blendEnable && (renderer->blendEffect == BLEND_BRIGHTEN || renderer->blendEffect == BLEND_DARKEN);
color_t* palette = renderer->normalPalette;
color_t* mainPalette = renderer->normalPalette;
if (variant) {
palette = renderer->variantPalette;
mainPalette = renderer->variantPalette;
}
color_t* palette = mainPalette;
PREPARE_OBJWIN;
int outX = renderer->start;
@ -756,6 +757,7 @@ static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, stru
int end = outX + 0x8 - mod8;
if (!background->multipalette) {
paletteData = GBA_TEXT_MAP_PALETTE(mapData) << 4;
palette = &mainPalette[paletteData];
charBase = ((background->charBase + (GBA_TEXT_MAP_TILE(mapData) << 5)) >> 2) + localY;
tileData = ((uint32_t*)renderer->d.vram)[charBase];
if (!GBA_TEXT_MAP_HFLIP(mapData)) {
@ -804,6 +806,7 @@ static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, stru
charBase = ((background->charBase + (GBA_TEXT_MAP_TILE(mapData) << 5)) >> 2) + localY;
tileData = ((uint32_t*)renderer->d.vram)[charBase];
paletteData = GBA_TEXT_MAP_PALETTE(mapData) << 4;
palette = &mainPalette[paletteData];
if (!GBA_TEXT_MAP_HFLIP(mapData)) {
outX = renderer->end - mod8;
if (outX < 0) {
@ -865,6 +868,7 @@ static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, stru
for (x = 0; x < 8; ++x) {
if (!mosaicWait) {
paletteData = GBA_TEXT_MAP_PALETTE(mapData) << 4;
palette = &mainPalette[paletteData];
tileData = ((uint32_t*)renderer->d.vram)[charBase];
if (!GBA_TEXT_MAP_HFLIP(mapData)) {
tileData >>= x * 4;
@ -897,6 +901,7 @@ static void _drawBackgroundMode0(struct GBAVideoSoftwareRenderer* renderer, stru
for (; tileX < tileEnd; ++tileX) {
BACKGROUND_TEXT_SELECT_CHARACTER;
paletteData = GBA_TEXT_MAP_PALETTE(mapData) << 4;
palette = &mainPalette[paletteData];
charBase = ((background->charBase + (GBA_TEXT_MAP_TILE(mapData) << 5)) >> 2) + localY;
tileData = ((uint32_t*)renderer->d.vram)[charBase];
if (tileData) {