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Core: Fix "macro" tile dynamic sizing

This commit is contained in:
Vicki Pfau 2017-09-23 18:12:44 -07:00
parent 229d138dac
commit f27be6e5f2
4 changed files with 11 additions and 15 deletions
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4
include/mgba/core/map-cache.h
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@ -21,8 +21,8 @@ DECL_BITS(mMapCacheSystemInfo, PaletteBPP, 0, 2);
DECL_BITS(mMapCacheSystemInfo, PaletteCount, 2, 4);
DECL_BITS(mMapCacheSystemInfo, TilesWide, 8, 4);
DECL_BITS(mMapCacheSystemInfo, TilesHigh, 12, 4);
DECL_BITS(mMapCacheSystemInfo, MaxTiles, 16, 13);
DECL_BITS(mMapCacheSystemInfo, MapAlign, 29, 2);
DECL_BITS(mMapCacheSystemInfo, MacroTileSize, 16, 7);
DECL_BITS(mMapCacheSystemInfo, MapAlign, 23, 2);
DECL_BITFIELD(mMapCacheEntryFlags, uint16_t);
DECL_BITS(mMapCacheEntryFlags, PaletteId, 0, 4);

12
src/core/map-cache.c
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@ -117,14 +117,14 @@ static inline void _cleanTile(struct mMapCache* cache, const color_t* tile, colo
static inline size_t _tileId(struct mMapCache* cache, unsigned x, unsigned y) {
int tilesWide = mMapCacheSystemInfoGetTilesWide(cache->sysConfig);
int tilesHigh = mMapCacheSystemInfoGetTilesHigh(cache->sysConfig);
int stride = tilesHigh < 5 ? (1 << tilesHigh) : 32;
int stride = 1 << mMapCacheSystemInfoGetMacroTileSize(cache->sysConfig);
x &= (1 << tilesWide) - 1;
y &= (1 << tilesHigh) - 1;
unsigned xMajor = x & ~0x1F;
unsigned yMajor = y >> 5;
x &= 0x1F;
y &= 0x1F;
yMajor <<= tilesHigh;
unsigned xMajor = x & ~(stride - 1);
unsigned yMajor = y >> mMapCacheSystemInfoGetMacroTileSize(cache->sysConfig);
x &= stride - 1;
y &= stride - 1;
yMajor <<= tilesWide;
y += xMajor + yMajor;
return stride * y + x;
}

6
src/gb/renderers/cache-set.c
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@ -117,11 +117,7 @@ void GBVideoCacheWriteVideoRegister(struct mCacheSet* cache, uint16_t address, u
}
map->tileStart = tileStart;
window->tileStart = tileStart;
if (sysconfig) {
sysconfig = mMapCacheSystemInfoSetMaxTiles(sysconfig, 896);
} else {
sysconfig = mMapCacheSystemInfoSetMaxTiles(sysconfig, 384);
}
sysconfig = mMapCacheSystemInfoSetMacroTileSize(sysconfig, 5);
sysconfig = mMapCacheSystemInfoSetPaletteBPP(sysconfig, 1);
sysconfig = mMapCacheSystemInfoSetMapAlign(sysconfig, 0);
sysconfig = mMapCacheSystemInfoSetTilesHigh(sysconfig, 5);

4
src/gba/renderers/cache-set.c
View File

@ -114,7 +114,7 @@ static void GBAVideoCacheWriteBGCNT(struct mCacheSet* cache, size_t bg, uint16_t
if (map->mapParser == mapParser0) {
sysconfig = mMapCacheSystemInfoSetPaletteBPP(sysconfig, 2 + p);
sysconfig = mMapCacheSystemInfoSetPaletteCount(sysconfig, 4 * !p);
sysconfig = mMapCacheSystemInfoSetMaxTiles(sysconfig, 1024);
sysconfig = mMapCacheSystemInfoSetMacroTileSize(sysconfig, 5);
sysconfig = mMapCacheSystemInfoSetMapAlign(sysconfig, 1);
tilesWide = 5;
tilesHigh = 5;
@ -128,7 +128,7 @@ static void GBAVideoCacheWriteBGCNT(struct mCacheSet* cache, size_t bg, uint16_t
} else if (map->mapParser == mapParser2) {
sysconfig = mMapCacheSystemInfoSetPaletteBPP(sysconfig, 3);
sysconfig = mMapCacheSystemInfoSetPaletteCount(sysconfig, 0);
sysconfig = mMapCacheSystemInfoSetMaxTiles(sysconfig, 256);
sysconfig = mMapCacheSystemInfoSetMacroTileSize(sysconfig, 4 + size);
sysconfig = mMapCacheSystemInfoSetMapAlign(sysconfig, 0);
tilesHigh = 4 + size;