bool TransferQueue::tryUpdateQueueWithBitmap(const TileRenderInfo* renderInfo,
const SkBitmap& bitmap)
{
// This lock need to cover the full update since it is possible that queue
// will be cleaned up in the middle of this update without the lock.
// The Surface Texture will not block us since the readyForUpdate will check
// availability of the slots in the queue first.
android::Mutex::Autolock lock(m_transferQueueItemLocks);
bool ready = readyForUpdate();
TextureUploadType currentUploadType = m_currentUploadType;
if (!ready) {
ALOGV("Quit bitmap update: not ready! for tile x y %d %d",
renderInfo->x, renderInfo->y);
return false;
}
if (currentUploadType == GpuUpload) {
// a) Dequeue the Surface Texture and write into the buffer
if (!m_ANW.get()) {
ALOGV("ERROR: ANW is null");
return false;
}
if (!GLUtils::updateSharedSurfaceTextureWithBitmap(m_ANW.get(), bitmap))
return false;
}
// b) After update the Surface Texture, now udpate the transfer queue info.
addItemInTransferQueue(renderInfo, currentUploadType, &bitmap);
ALOGV("Bitmap updated x, y %d %d, baseTile %p",
renderInfo->x, renderInfo->y, renderInfo->baseTile);
return true;
}
bool TransferQueue::tryUpdateQueueWithBitmap(const TileRenderInfo* renderInfo,
int x, int y, const SkBitmap& bitmap)
{
m_transferQueueItemLocks.lock();
bool ready = readyForUpdate();
TextureUploadType currentUploadType = m_currentUploadType;
m_transferQueueItemLocks.unlock();
if (!ready) {
XLOG("Quit bitmap update: not ready! for tile x y %d %d",
renderInfo->x, renderInfo->y);
return false;
}
if (currentUploadType == GpuUpload) {
// a) Dequeue the Surface Texture and write into the buffer
if (!m_ANW.get()) {
XLOG("ERROR: ANW is null");
return false;
}
ANativeWindow_Buffer buffer;
if (ANativeWindow_lock(m_ANW.get(), &buffer, 0))
return false;
uint8_t* img = (uint8_t*)buffer.bits;
int row, col;
int bpp = 4; // Now we only deal with RGBA8888 format.
int width = TilesManager::instance()->tileWidth();
int height = TilesManager::instance()->tileHeight();
if (!x && !y && bitmap.width() == width && bitmap.height() == height) {
bitmap.lockPixels();
uint8_t* bitmapOrigin = static_cast<uint8_t*>(bitmap.getPixels());
if (buffer.stride != bitmap.width())
// Copied line by line since we need to handle the offsets and stride.
for (row = 0 ; row < bitmap.height(); row ++) {
uint8_t* dst = &(img[buffer.stride * row * bpp]);
uint8_t* src = &(bitmapOrigin[bitmap.width() * row * bpp]);
memcpy(dst, src, bpp * bitmap.width());
}
else
memcpy(img, bitmapOrigin, bpp * bitmap.width() * bitmap.height());
bitmap.unlockPixels();
} else {
// TODO: implement the partial invalidate here!
XLOG("ERROR: don't expect to get here yet before we support partial inval");
}
ANativeWindow_unlockAndPost(m_ANW.get());
}
m_transferQueueItemLocks.lock();
// b) After update the Surface Texture, now udpate the transfer queue info.
addItemInTransferQueue(renderInfo, currentUploadType, &bitmap);
m_transferQueueItemLocks.unlock();
XLOG("Bitmap updated x, y %d %d, baseTile %p",
renderInfo->x, renderInfo->y, renderInfo->baseTile);
return true;
}