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64 lines
2 KiB
C
64 lines
2 KiB
C
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/* Copyright (c) 2013-2016 Jeffrey Pfau
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef M_TILE_CACHE_H
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#define M_TILE_CACHE_H
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#include <mgba-util/common.h>
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CXX_GUARD_START
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#include <mgba/core/interface.h>
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DECL_BITFIELD(mTileCacheConfiguration, uint32_t);
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DECL_BIT(mTileCacheConfiguration, ShouldStore, 0);
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DECL_BITFIELD(mTileCacheSystemInfo, uint32_t);
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DECL_BITS(mTileCacheSystemInfo, PaletteBPP, 0, 2);
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DECL_BITS(mTileCacheSystemInfo, PaletteCount, 2, 4);
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DECL_BITS(mTileCacheSystemInfo, MaxTiles, 16, 13);
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struct mTileCacheEntry {
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uint32_t paletteVersion;
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uint32_t vramVersion;
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uint8_t vramClean;
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uint8_t paletteId;
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uint16_t padding;
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};
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struct mTileCache {
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color_t* cache;
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struct mTileCacheEntry* status;
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uint32_t* globalPaletteVersion;
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uint32_t tileBase;
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uint32_t paletteBase;
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unsigned entriesPerTile;
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unsigned bpp;
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uint16_t* vram;
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color_t* palette;
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color_t temporaryTile[64];
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mTileCacheConfiguration config;
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mTileCacheSystemInfo sysConfig;
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};
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void mTileCacheInit(struct mTileCache* cache);
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void mTileCacheDeinit(struct mTileCache* cache);
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void mTileCacheConfigure(struct mTileCache* cache, mTileCacheConfiguration config);
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void mTileCacheConfigureSystem(struct mTileCache* cache, mTileCacheSystemInfo config, uint32_t tileBase, uint32_t paletteBase);
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void mTileCacheWriteVRAM(struct mTileCache* cache, uint32_t address);
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void mTileCacheWritePalette(struct mTileCache* cache, uint32_t entry, color_t color);
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const color_t* mTileCacheGetTile(struct mTileCache* cache, unsigned tileId, unsigned paletteId);
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const color_t* mTileCacheGetTileIfDirty(struct mTileCache* cache, struct mTileCacheEntry* entry, unsigned tileId, unsigned paletteId);
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const color_t* mTileCacheGetPalette(struct mTileCache* cache, unsigned paletteId);
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const uint16_t* mTileCacheGetVRAM(struct mTileCache* cache, unsigned tileId);
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CXX_GUARD_END
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#endif
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