already_AddRefed<TextureClient>
TextureClientRecycleAllocator::CreateOrRecycle(ITextureClientAllocationHelper& aHelper)
{
// TextureAllocationFlags is actually used only by ContentClient.
// This class does not handle ContentClient's TextureClient allocation.
MOZ_ASSERT(aHelper.mAllocationFlags == TextureAllocationFlags::ALLOC_DEFAULT ||
aHelper.mAllocationFlags == TextureAllocationFlags::ALLOC_DISALLOW_BUFFERTEXTURECLIENT ||
aHelper.mAllocationFlags == TextureAllocationFlags::ALLOC_FOR_OUT_OF_BAND_CONTENT ||
aHelper.mAllocationFlags == TextureAllocationFlags::ALLOC_MANUAL_SYNCHRONIZATION);
MOZ_ASSERT(aHelper.mTextureFlags & TextureFlags::RECYCLE);
RefPtr<TextureClientHolder> textureHolder;
{
MutexAutoLock lock(mLock);
if (mIsDestroyed) {
return nullptr;
}
if (!mPooledClients.empty()) {
textureHolder = mPooledClients.top();
mPooledClients.pop();
// If a pooled TextureClient is not compatible, release it.
if (!aHelper.IsCompatible(textureHolder->GetTextureClient())) {
// Release TextureClient.
RefPtr<Runnable> task = new TextureClientReleaseTask(textureHolder->GetTextureClient());
textureHolder->ClearTextureClient();
textureHolder = nullptr;
mSurfaceAllocator->GetMessageLoop()->PostTask(task.forget());
} else {
textureHolder->GetTextureClient()->RecycleTexture(aHelper.mTextureFlags);
}
}
}
if (!textureHolder) {
// Allocate new TextureClient
RefPtr<TextureClient> texture = aHelper.Allocate(mSurfaceAllocator);
if (!texture) {
return nullptr;
}
textureHolder = new TextureClientHolder(texture);
}
{
MutexAutoLock lock(mLock);
MOZ_ASSERT(mInUseClients.find(textureHolder->GetTextureClient()) == mInUseClients.end());
// Register TextureClient
mInUseClients[textureHolder->GetTextureClient()] = textureHolder;
}
RefPtr<TextureClient> client(textureHolder->GetTextureClient());
// Make sure the texture holds a reference to us, and ask it to call RecycleTextureClient when its
// ref count drops to 1.
client->SetRecycleAllocator(this);
return client.forget();
}
already_AddRefed<TextureClient>
TextureClientRecycleAllocator::CreateOrRecycle(ITextureClientAllocationHelper& aHelper)
{
MOZ_ASSERT(aHelper.mTextureFlags & TextureFlags::RECYCLE);
RefPtr<TextureClientHolder> textureHolder;
{
MutexAutoLock lock(mLock);
if (mIsDestroyed) {
return nullptr;
}
if (!mPooledClients.empty()) {
textureHolder = mPooledClients.top();
mPooledClients.pop();
// If the texture's allocator is not open or a pooled TextureClient is
// not compatible, release it.
if (!textureHolder->GetTextureClient()->GetAllocator()->IPCOpen() ||
!aHelper.IsCompatible(textureHolder->GetTextureClient())) {
// Release TextureClient.
RefPtr<Runnable> task = new TextureClientReleaseTask(textureHolder->GetTextureClient());
textureHolder->ClearTextureClient();
textureHolder = nullptr;
mSurfaceAllocator->GetTextureForwarder()->GetMessageLoop()->PostTask(task.forget());
} else {
textureHolder->GetTextureClient()->RecycleTexture(aHelper.mTextureFlags);
}
}
}
if (!textureHolder) {
// Allocate new TextureClient
RefPtr<TextureClient> texture = aHelper.Allocate(mSurfaceAllocator);
if (!texture) {
return nullptr;
}
textureHolder = new TextureClientHolder(texture);
}
{
MutexAutoLock lock(mLock);
MOZ_ASSERT(mInUseClients.find(textureHolder->GetTextureClient()) == mInUseClients.end());
// Register TextureClient
mInUseClients[textureHolder->GetTextureClient()] = textureHolder;
}
RefPtr<TextureClient> client(textureHolder->GetTextureClient());
// Make sure the texture holds a reference to us, and ask it to call RecycleTextureClient when its
// ref count drops to 1.
client->SetRecycleAllocator(this);
return client.forget();
}
