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65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
/* Copyright (c) 2013-2019 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_BITMAP_CACHE_H
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#define M_BITMAP_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(mBitmapCacheConfiguration, uint32_t);
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DECL_BIT(mBitmapCacheConfiguration, ShouldStore, 0);
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DECL_BITFIELD(mBitmapCacheSystemInfo, uint32_t);
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DECL_BITS(mBitmapCacheSystemInfo, EntryBPP, 0, 3);
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DECL_BIT(mBitmapCacheSystemInfo, UsesPalette, 3);
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DECL_BITS(mBitmapCacheSystemInfo, Width, 4, 10);
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DECL_BITS(mBitmapCacheSystemInfo, Height, 14, 10);
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DECL_BITS(mBitmapCacheSystemInfo, Buffers, 24, 2);
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struct mBitmapCacheEntry {
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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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};
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struct mBitmapCache {
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color_t* cache;
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struct mBitmapCacheEntry* status;
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uint32_t globalPaletteVersion;
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uint8_t* vram;
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color_t* palette;
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uint32_t bitsSize;
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uint32_t bitsStart[2];
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uint32_t stride;
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uint8_t buffer;
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mBitmapCacheConfiguration config;
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mBitmapCacheSystemInfo sysConfig;
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void* context;
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};
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void mBitmapCacheInit(struct mBitmapCache* cache);
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void mBitmapCacheDeinit(struct mBitmapCache* cache);
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void mBitmapCacheConfigure(struct mBitmapCache* cache, mBitmapCacheConfiguration config);
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void mBitmapCacheConfigureSystem(struct mBitmapCache* cache, mBitmapCacheSystemInfo config);
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void mBitmapCacheWriteVRAM(struct mBitmapCache* cache, uint32_t address);
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void mBitmapCacheWritePalette(struct mBitmapCache* cache, uint32_t entry, color_t color);
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void mBitmapCacheCleanRow(struct mBitmapCache* cache, struct mBitmapCacheEntry* entry, unsigned y);
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bool mBitmapCacheCheckRow(struct mBitmapCache* cache, const struct mBitmapCacheEntry* entry, unsigned y);
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const color_t* mBitmapCacheGetRow(struct mBitmapCache* cache, unsigned y);
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CXX_GUARD_END
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#endif
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