already_AddRefed<TextureClient>
TextureClientPool::GetTextureClient()
{
// Try to fetch a client from the pool
RefPtr<TextureClient> textureClient;
// We initially allocate mInitialPoolSize for our pool. If we run
// out of TextureClients, we allocate additional TextureClients to try and keep around
// mPoolUnusedSize
if (!mTextureClients.size()) {
AllocateTextureClient();
}
if (!mTextureClients.size()) {
// All our allocations failed, return nullptr
return nullptr;
}
mOutstandingClients++;
textureClient = mTextureClients.top();
mTextureClients.pop();
#ifdef GFX_DEBUG_TRACK_CLIENTS_IN_POOL
if (textureClient) {
textureClient->mPoolTracker = this;
}
DebugOnly<bool> ok = TestClientPool("fetch", textureClient, this);
MOZ_ASSERT(ok);
#endif
TCP_LOG("TexturePool %p giving %p from pool; size %u outstanding %u\n",
this, textureClient.get(), mTextureClients.size(), mOutstandingClients);
return textureClient.forget();
}
void
TextureClientPool::ReturnTextureClient(TextureClient *aClient)
{
if (!aClient) {
return;
}
#ifdef GFX_DEBUG_TRACK_CLIENTS_IN_POOL
DebugOnly<bool> ok = TestClientPool("return", aClient, this);
MOZ_ASSERT(ok);
#endif
// Add the client to the pool:
MOZ_ASSERT(mOutstandingClients > mTextureClientsDeferred.size());
mOutstandingClients--;
mTextureClients.push(aClient);
// Shrink down if we're beyond our maximum size
ShrinkToMaximumSize();
// Kick off the pool shrinking timer if there are still more unused texture
// clients than our desired minimum cache size.
if (mTextureClients.size() > sMinCacheSize) {
mTimer->InitWithFuncCallback(ShrinkCallback, this, mShrinkTimeoutMsec,
nsITimer::TYPE_ONE_SHOT);
}
}
void
TextureClientPool::ReturnTextureClientDeferred(TextureClient *aClient)
{
if (!aClient) {
return;
}
#ifdef GFX_DEBUG_TRACK_CLIENTS_IN_POOL
DebugOnly<bool> ok = TestClientPool("defer", aClient, this);
MOZ_ASSERT(ok);
#endif
mTextureClientsDeferred.push(aClient);
ShrinkToMaximumSize();
}
void
TextureClientPool::ReturnTextureClientDeferred(TextureClient *aClient)
{
if (!aClient) {
return;
}
#ifdef GFX_DEBUG_TRACK_CLIENTS_IN_POOL
DebugOnly<bool> ok = TestClientPool("defer", aClient, this);
MOZ_ASSERT(ok);
#endif
mTextureClientsDeferred.push(aClient);
TCP_LOG("TexturePool %p had client %p defer-returned, size %u outstanding %u\n",
this, aClient, mTextureClientsDeferred.size(), mOutstandingClients);
ShrinkToMaximumSize();
}
void
TextureClientPool::ReturnTextureClientDeferred(TextureClient* aClient)
{
if (!aClient || mDestroyed) {
return;
}
MOZ_ASSERT(aClient->GetReadLock());
#ifdef GFX_DEBUG_TRACK_CLIENTS_IN_POOL
DebugOnly<bool> ok = TestClientPool("defer", aClient, this);
MOZ_ASSERT(ok);
#endif
mTextureClientsDeferred.push_back(aClient);
TCP_LOG("TexturePool %p had client %p defer-returned, size %u outstanding %u\n",
this, aClient, mTextureClientsDeferred.size(), mOutstandingClients);
ResetTimers();
}
void
TextureClientPool::ReturnTextureClient(TextureClient *aClient)
{
if (!aClient || mDestroyed) {
return;
}
#ifdef GFX_DEBUG_TRACK_CLIENTS_IN_POOL
DebugOnly<bool> ok = TestClientPool("return", aClient, this);
MOZ_ASSERT(ok);
#endif
// Add the client to the pool:
MOZ_ASSERT(mOutstandingClients > mTextureClientsDeferred.size());
mOutstandingClients--;
mTextureClients.push(aClient);
TCP_LOG("TexturePool %p had client %p returned; size %u outstanding %u\n",
this, aClient, mTextureClients.size(), mOutstandingClients);
ResetTimers();
}
TemporaryRef<TextureClient>
TextureClientPool::GetTextureClient()
{
// Try to fetch a client from the pool
RefPtr<TextureClient> textureClient;
if (mTextureClients.size()) {
mOutstandingClients++;
textureClient = mTextureClients.top();
mTextureClients.pop();
#ifdef GFX_DEBUG_TRACK_CLIENTS_IN_POOL
DebugOnly<bool> ok = TestClientPool("fetch", textureClient, this);
MOZ_ASSERT(ok);
#endif
TCP_LOG("TexturePool %p giving %p from pool; size %u outstanding %u\n",
this, textureClient.get(), mTextureClients.size(), mOutstandingClients);
return textureClient;
}
// We're increasing the number of outstanding TextureClients without reusing a
// client, we may need to free a deferred-return TextureClient.
ShrinkToMaximumSize();
// No unused clients in the pool, create one
if (gfxPrefs::ForceShmemTiles()) {
// gfx::BackendType::NONE means use the content backend
textureClient = TextureClient::CreateForRawBufferAccess(mSurfaceAllocator,
mFormat, mSize, gfx::BackendType::NONE,
TextureFlags::IMMEDIATE_UPLOAD, ALLOC_DEFAULT);
} else {
textureClient = TextureClient::CreateForDrawing(mSurfaceAllocator,
mFormat, mSize, gfx::BackendType::NONE, TextureFlags::IMMEDIATE_UPLOAD);
}
mOutstandingClients++;
#ifdef GFX_DEBUG_TRACK_CLIENTS_IN_POOL
if (textureClient) {
textureClient->mPoolTracker = this;
}
#endif
TCP_LOG("TexturePool %p giving new %p; size %u outstanding %u\n",
this, textureClient.get(), mTextureClients.size(), mOutstandingClients);
return textureClient;
}