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GBA Video: mVL bounds checking

This commit is contained in:
Vicki Pfau 2017-04-18 03:42:37 -07:00
parent 5b6bf9eb64
commit caf59d726f
1 changed files with 15 additions and 7 deletions
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22
src/gba/renderers/proxy.c
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@ -130,19 +130,27 @@ static bool _parsePacket(struct mVideoLogger* logger, const struct mVideoLoggerD
proxyRenderer->backend->writeVideoRegister(proxyRenderer->backend, item->address, item->value);
break;
case DIRTY_PALETTE:
logger->palette[item->address >> 1] = item->value;
proxyRenderer->backend->writePalette(proxyRenderer->backend, item->address, item->value);
if (item->address < SIZE_PALETTE_RAM) {
logger->palette[item->address >> 1] = item->value;
proxyRenderer->backend->writePalette(proxyRenderer->backend, item->address, item->value);
}
break;
case DIRTY_OAM:
logger->oam[item->address] = item->value;
proxyRenderer->backend->writeOAM(proxyRenderer->backend, item->address);
if (item->address < SIZE_PALETTE_RAM) {
logger->oam[item->address] = item->value;
proxyRenderer->backend->writeOAM(proxyRenderer->backend, item->address);
}
break;
case DIRTY_VRAM:
logger->readData(logger, &logger->vram[item->address >> 1], 0x1000, true);
proxyRenderer->backend->writeVRAM(proxyRenderer->backend, item->address);
if (item->address + 0x1000 <= SIZE_VRAM) {
logger->readData(logger, &logger->vram[item->address >> 1], 0x1000, true);
proxyRenderer->backend->writeVRAM(proxyRenderer->backend, item->address);
}
break;
case DIRTY_SCANLINE:
proxyRenderer->backend->drawScanline(proxyRenderer->backend, item->address);
if (item->address < VIDEO_VERTICAL_PIXELS) {
proxyRenderer->backend->drawScanline(proxyRenderer->backend, item->address);
}
break;
case DIRTY_FRAME:
proxyRenderer->backend->finishFrame(proxyRenderer->backend);