mirror of https://github.com/mgba-emu/mgba.git
GBA Video: Add missing files
This commit is contained in:
Jeffrey Pfau
parent
c7f6c499c3
commit
f388d65f5f
|
|
@ -0,0 +1,149 @@
|
|||
/* Copyright (c) 2013-2016 Jeffrey Pfau
|
||||
*
|
||||
* This Source Code Form is subject to the terms of the Mozilla Public
|
||||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
#include "tile-cache.h"
|
||||
|
||||
#include "gba/video.h"
|
||||
#include "util/memory.h"
|
||||
|
||||
#define CACHE_SIZE (8 * 8 * 2 * 1024 * 3 * 16)
|
||||
|
||||
void GBAVideoTileCacheInit(struct GBAVideoTileCache* cache) {
|
||||
// TODO: Reconfigurable cache for space savings
|
||||
cache->cache = anonymousMemoryMap(CACHE_SIZE);
|
||||
memset(cache->status, 0, sizeof(cache->status));
|
||||
memset(cache->globalPaletteVersion, 0, sizeof(cache->globalPaletteVersion));
|
||||
memset(cache->globalPalette256Version, 0, sizeof(cache->globalPalette256Version));
|
||||
}
|
||||
|
||||
void GBAVideoTileCacheDeinit(struct GBAVideoTileCache* cache) {
|
||||
mappedMemoryFree(cache->cache, CACHE_SIZE);
|
||||
cache->cache = NULL;
|
||||
}
|
||||
|
||||
void GBAVideoTileCacheAssociate(struct GBAVideoTileCache* cache, struct GBAVideo* video) {
|
||||
cache->vram = video->vram;
|
||||
cache->palette = video->palette;
|
||||
video->renderer->cache = cache;
|
||||
}
|
||||
|
||||
void GBAVideoTileCacheWriteVRAM(struct GBAVideoTileCache* cache, uint32_t address) {
|
||||
cache->status[address >> 5].vramClean = 0;
|
||||
}
|
||||
|
||||
void GBAVideoTileCacheWritePalette(struct GBAVideoTileCache* cache, uint32_t address) {
|
||||
++cache->globalPaletteVersion[address >> 5];
|
||||
++cache->globalPalette256Version[address >> 9];
|
||||
}
|
||||
|
||||
static void _regenerateTile16(struct GBAVideoTileCache* cache, unsigned tileId, unsigned paletteId) {
|
||||
uint16_t* tile = &cache->cache[tileId << 6];
|
||||
uint32_t* start = (uint32_t*) &cache->vram[tileId << 4];
|
||||
paletteId <<= 4;
|
||||
uint16_t* palette = &cache->palette[paletteId];
|
||||
int i;
|
||||
for (i = 0; i < 8; ++i) {
|
||||
uint32_t line = *start;
|
||||
++start;
|
||||
int pixel;
|
||||
pixel = line & 0xF;
|
||||
tile[0] = pixel ? palette[pixel] | 0x8000 : palette[pixel] & 0x7FFF;
|
||||
pixel = (line >> 4) & 0xF;
|
||||
tile[1] = pixel ? palette[pixel] | 0x8000 : palette[pixel] & 0x7FFF;
|
||||
pixel = (line >> 8) & 0xF;
|
||||
tile[2] = pixel ? palette[pixel] | 0x8000 : palette[pixel] & 0x7FFF;
|
||||
pixel = (line >> 12) & 0xF;
|
||||
tile[3] = pixel ? palette[pixel] | 0x8000 : palette[pixel] & 0x7FFF;
|
||||
pixel = (line >> 16) & 0xF;
|
||||
tile[4] = pixel ? palette[pixel] | 0x8000 : palette[pixel] & 0x7FFF;
|
||||
pixel = (line >> 20) & 0xF;
|
||||
tile[5] = pixel ? palette[pixel] | 0x8000 : palette[pixel] & 0x7FFF;
|
||||
pixel = (line >> 24) & 0xF;
|
||||
tile[6] = pixel ? palette[pixel] | 0x8000 : palette[pixel] & 0x7FFF;
|
||||
pixel = (line >> 28) & 0xF;
|
||||
tile[7] = pixel ? palette[pixel] | 0x8000 : palette[pixel] & 0x7FFF;
|
||||
tile += 8;
|
||||
}
|
||||
}
|
||||
|
||||
static void _regenerateTile256(struct GBAVideoTileCache* cache, unsigned tileId, unsigned paletteId) {
|
||||
uint16_t* tile = &cache->cache[tileId << 6];
|
||||
uint32_t* start = (uint32_t*) &cache->vram[tileId << 5];
|
||||
paletteId <<= 8;
|
||||
uint16_t* palette = &cache->palette[paletteId];
|
||||
int i;
|
||||
for (i = 0; i < 8; ++i) {
|
||||
uint32_t line = *start;
|
||||
++start;
|
||||
int pixel;
|
||||
pixel = line & 0xFF;
|
||||
tile[0] = pixel ? palette[pixel] | 0x8000 : palette[pixel] & 0x7FFF;
|
||||
pixel = (line >> 8) & 0xFF;
|
||||
tile[1] = pixel ? palette[pixel] | 0x8000 : palette[pixel] & 0x7FFF;
|
||||
pixel = (line >> 16) & 0xFF;
|
||||
tile[2] = pixel ? palette[pixel] | 0x8000 : palette[pixel] & 0x7FFF;
|
||||
pixel = (line >> 24) & 0xFF;
|
||||
tile[3] = pixel ? palette[pixel] | 0x8000 : palette[pixel] & 0x7FFF;
|
||||
|
||||
line = *start;
|
||||
++start;
|
||||
pixel = line & 0xFF;
|
||||
tile[4] = pixel ? palette[pixel] | 0x8000 : palette[pixel] & 0x7FFF;
|
||||
pixel = (line >> 8) & 0xFF;
|
||||
tile[5] = pixel ? palette[pixel] | 0x8000 : palette[pixel] & 0x7FFF;
|
||||
pixel = (line >> 16) & 0xFF;
|
||||
tile[6] = pixel ? palette[pixel] | 0x8000 : palette[pixel] & 0x7FFF;
|
||||
pixel = (line >> 24) & 0xFF;
|
||||
tile[7] = pixel ? palette[pixel] | 0x8000 : palette[pixel] & 0x7FFF;
|
||||
tile += 8;
|
||||
}
|
||||
}
|
||||
|
||||
const uint16_t* GBAVideoTileCacheGetTile16(struct GBAVideoTileCache* cache, unsigned tileId, unsigned paletteId) {
|
||||
struct GBAVideoTileCacheEntry* status = &cache->status[tileId];
|
||||
if (!status->vramClean || status->palette256 || status->paletteVersion[paletteId & 0xF] != cache->globalPaletteVersion[paletteId]) {
|
||||
_regenerateTile16(cache, tileId, paletteId);
|
||||
status->paletteVersion[paletteId & 0xF] = cache->globalPaletteVersion[paletteId];
|
||||
status->palette256 = 0;
|
||||
status->vramClean = 1;
|
||||
}
|
||||
return &cache->cache[tileId << 6];
|
||||
}
|
||||
|
||||
const uint16_t* GBAVideoTileCacheGetTile16IfDirty(struct GBAVideoTileCache* cache, unsigned tileId, unsigned paletteId) {
|
||||
struct GBAVideoTileCacheEntry* status = &cache->status[tileId];
|
||||
if (!status->vramClean || status->palette256 || status->paletteVersion[paletteId & 0xF] != cache->globalPaletteVersion[paletteId]) {
|
||||
_regenerateTile16(cache, tileId, paletteId);
|
||||
status->paletteVersion[paletteId & 0xF] = cache->globalPaletteVersion[paletteId];
|
||||
status->palette256 = 0;
|
||||
status->vramClean = 1;
|
||||
return &cache->cache[tileId << 6];
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
const uint16_t* GBAVideoTileCacheGetTile256(struct GBAVideoTileCache* cache, unsigned tileId, unsigned paletteId) {
|
||||
struct GBAVideoTileCacheEntry* status = &cache->status[tileId];
|
||||
if (!status->vramClean || !status->palette256 || status->paletteVersion[0] != cache->globalPalette256Version[paletteId]) {
|
||||
_regenerateTile256(cache, tileId, paletteId);
|
||||
status->paletteVersion[0] = cache->globalPalette256Version[paletteId];
|
||||
status->palette256 = 1;
|
||||
status->vramClean = 1;
|
||||
}
|
||||
return &cache->cache[tileId << 6];
|
||||
}
|
||||
|
||||
const uint16_t* GBAVideoTileCacheGetTile256IfDirty(struct GBAVideoTileCache* cache, unsigned tileId, unsigned paletteId) {
|
||||
struct GBAVideoTileCacheEntry* status = &cache->status[tileId];
|
||||
if (!status->vramClean || !status->palette256 || status->paletteVersion[0] != cache->globalPalette256Version[paletteId]) {
|
||||
_regenerateTile256(cache, tileId, paletteId);
|
||||
status->paletteVersion[0] = cache->globalPalette256Version[paletteId];
|
||||
status->palette256 = 1;
|
||||
status->vramClean = 1;
|
||||
return &cache->cache[tileId << 6];
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
|
@ -0,0 +1,37 @@
|
|||
/* Copyright (c) 2013-2015 Jeffrey Pfau
|
||||
*
|
||||
* This Source Code Form is subject to the terms of the Mozilla Public
|
||||
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||||
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||||
#ifndef GBA_TILE_CACHE_H
|
||||
#define GBA_TILE_CACHE_H
|
||||
|
||||
#include "util/common.h"
|
||||
|
||||
struct GBAVideo;
|
||||
|
||||
struct GBAVideoTileCache {
|
||||
uint16_t* cache;
|
||||
struct GBAVideoTileCacheEntry {
|
||||
uint32_t paletteVersion[16];
|
||||
uint8_t vramClean;
|
||||
uint8_t palette256;
|
||||
} status[1024 * 3];
|
||||
uint32_t globalPaletteVersion[32];
|
||||
uint32_t globalPalette256Version[2];
|
||||
|
||||
uint16_t* vram;
|
||||
uint16_t* palette;
|
||||
};
|
||||
|
||||
void GBAVideoTileCacheInit(struct GBAVideoTileCache* cache);
|
||||
void GBAVideoTileCacheDeinit(struct GBAVideoTileCache* cache);
|
||||
void GBAVideoTileCacheAssociate(struct GBAVideoTileCache* cache, struct GBAVideo* video);
|
||||
void GBAVideoTileCacheWriteVRAM(struct GBAVideoTileCache* cache, uint32_t address);
|
||||
void GBAVideoTileCacheWritePalette(struct GBAVideoTileCache* cache, uint32_t address);
|
||||
const uint16_t* GBAVideoTileCacheGetTile16(struct GBAVideoTileCache* cache, unsigned tileId, unsigned paletteId);
|
||||
const uint16_t* GBAVideoTileCacheGetTile16IfDirty(struct GBAVideoTileCache* cache, unsigned tileId, unsigned paletteId);
|
||||
const uint16_t* GBAVideoTileCacheGetTile256(struct GBAVideoTileCache* cache, unsigned tileId, unsigned paletteId);
|
||||
const uint16_t* GBAVideoTileCacheGetTile256IfDirty(struct GBAVideoTileCache* cache, unsigned tileId, unsigned paletteId);
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue