TextureClient*
CairoImage::GetTextureClient(CompositableClient *aClient)
{
if (!aClient) {
return nullptr;
}
CompositableForwarder* forwarder = aClient->GetForwarder();
RefPtr<TextureClient> textureClient = mTextureClients.Get(forwarder->GetSerial());
if (textureClient) {
return textureClient;
}
RefPtr<SourceSurface> surface = GetAsSourceSurface();
MOZ_ASSERT(surface);
if (!surface) {
return nullptr;
}
// gfx::BackendType::NONE means default to content backend
textureClient = aClient->CreateTextureClientForDrawing(surface->GetFormat(),
surface->GetSize(),
gfx::BackendType::NONE,
TextureFlags::DEFAULT);
if (!textureClient) {
return nullptr;
}
MOZ_ASSERT(textureClient->CanExposeDrawTarget());
if (!textureClient->Lock(OpenMode::OPEN_WRITE_ONLY)) {
return nullptr;
}
TextureClientAutoUnlock autoUnolck(textureClient);
{
// We must not keep a reference to the DrawTarget after it has been unlocked.
DrawTarget* dt = textureClient->BorrowDrawTarget();
if (!dt) {
return nullptr;
}
dt->CopySurface(surface, IntRect(IntPoint(), surface->GetSize()), IntPoint());
}
mTextureClients.Put(forwarder->GetSerial(), textureClient);
return textureClient;
}
TextureClient*
CairoImage::GetTextureClient(CompositableClient *aClient)
{
if (!aClient) {
return nullptr;
}
CompositableForwarder* forwarder = aClient->GetForwarder();
RefPtr<TextureClient> textureClient = mTextureClients.Get(forwarder->GetSerial());
if (textureClient) {
return textureClient;
}
RefPtr<SourceSurface> surface = GetAsSourceSurface();
MOZ_ASSERT(surface);
if (!surface) {
return nullptr;
}
// XXX windows' TextureClients do not hold ISurfaceAllocator,
// recycler does not work on windows.
#ifndef XP_WIN
// XXX only gonk ensure when TextureClient is recycled,
// TextureHost is not used by CompositableHost.
#ifdef MOZ_WIDGET_GONK
RefPtr<TextureClientRecycleAllocator> recycler =
aClient->GetTextureClientRecycler();
if (recycler) {
textureClient =
recycler->CreateOrRecycleForDrawing(surface->GetFormat(),
surface->GetSize(),
gfx::BackendType::NONE,
aClient->GetTextureFlags());
}
#endif
#endif
if (!textureClient) {
// gfx::BackendType::NONE means default to content backend
textureClient = aClient->CreateTextureClientForDrawing(surface->GetFormat(),
surface->GetSize(),
gfx::BackendType::NONE,
TextureFlags::DEFAULT);
}
if (!textureClient) {
return nullptr;
}
MOZ_ASSERT(textureClient->CanExposeDrawTarget());
if (!textureClient->Lock(OpenMode::OPEN_WRITE_ONLY)) {
return nullptr;
}
TextureClientAutoUnlock autoUnolck(textureClient);
{
// We must not keep a reference to the DrawTarget after it has been unlocked.
DrawTarget* dt = textureClient->BorrowDrawTarget();
if (!dt) {
return nullptr;
}
dt->CopySurface(surface, IntRect(IntPoint(), surface->GetSize()), IntPoint());
}
mTextureClients.Put(forwarder->GetSerial(), textureClient);
return textureClient;
}