TextureClientD3D11::~TextureClientD3D11()
{
if (mActor) {
if (mTexture) {
KeepUntilFullDeallocation(MakeUnique<TKeepAlive<ID3D10Texture2D>>(mTexture10));
} else if (mTexture10) {
KeepUntilFullDeallocation(MakeUnique<TKeepAlive<ID3D11Texture2D>>(mTexture));
}
}
#ifdef DEBUG
// An Azure DrawTarget needs to be locked when it gets nullptr'ed as this is
// when it calls EndDraw. This EndDraw should not execute anything so it
// shouldn't -really- need the lock but the debug layer chokes on this.
if (mDrawTarget) {
MOZ_ASSERT(!mIsLocked);
MOZ_ASSERT(mTexture || mTexture10);
MOZ_ASSERT(mDrawTarget->refCount() == 1);
if (mTexture) {
LockD3DTexture(mTexture.get());
} else {
LockD3DTexture(mTexture10.get());
}
mDrawTarget = nullptr;
if (mTexture) {
UnlockD3DTexture(mTexture.get());
} else {
UnlockD3DTexture(mTexture10.get());
}
}
#endif
}
void
TextureClientD3D11::Unlock()
{
MOZ_ASSERT(mIsLocked, "Unlocked called while the texture is not locked!");
if (!mIsLocked) {
return;
}
if (mDrawTarget) {
// see the comment on TextureClient::BorrowDrawTarget.
// This DrawTarget is internal to the TextureClient and is only exposed to the
// outside world between Lock() and Unlock(). This assertion checks that no outside
// reference remains by the time Unlock() is called.
MOZ_ASSERT(mDrawTarget->refCount() == 1);
mDrawTarget->Flush();
}
if (mReadbackSink && mTexture10) {
ID3D10Device* device = gfxWindowsPlatform::GetPlatform()->GetD3D10Device();
D3D10_TEXTURE2D_DESC desc;
mTexture10->GetDesc(&desc);
desc.BindFlags = 0;
desc.Usage = D3D10_USAGE_STAGING;
desc.CPUAccessFlags = D3D10_CPU_ACCESS_READ;
desc.MiscFlags = 0;
RefPtr<ID3D10Texture2D> tex;
HRESULT hr = device->CreateTexture2D(&desc, nullptr, byRef(tex));
if (FAILED(hr)) {
gfxCriticalError(CriticalLog::DefaultOptions(Factory::ReasonableSurfaceSize(mSize))) << "[D3D11] CreateTexture2D failure " << mSize << " Code: " << gfx::hexa(hr);
return;
}
if (SUCCEEDED(hr)) {
device->CopyResource(tex, mTexture10);
gfxWindowsPlatform::GetPlatform()->GetReadbackManager()->PostTask(tex, mReadbackSink);
} else {
mReadbackSink->ProcessReadback(nullptr);
}
}
// The DrawTarget is created only once, and is only usable between calls
// to Lock and Unlock.
if (mTexture) {
UnlockD3DTexture(mTexture.get());
} else {
UnlockD3DTexture(mTexture10.get());
}
mIsLocked = false;
}
void
DXGITextureHostD3D11::Unlock()
{
MOZ_ASSERT(mIsLocked);
UnlockD3DTexture(mTextureSource->GetD3D11Texture());
mIsLocked = false;
}
TextureClientD3D11::~TextureClientD3D11()
{
#ifdef DEBUG
// An Azure DrawTarget needs to be locked when it gets nullptr'ed as this is
// when it calls EndDraw. This EndDraw should not execute anything so it
// shouldn't -really- need the lock but the debug layer chokes on this.
if (mDrawTarget) {
MOZ_ASSERT(!mIsLocked);
MOZ_ASSERT(mTexture || mTexture10);
MOZ_ASSERT(mDrawTarget->refCount() == 1);
if (mTexture) {
LockD3DTexture(mTexture.get());
} else {
LockD3DTexture(mTexture10.get());
}
mDrawTarget = nullptr;
if (mTexture) {
UnlockD3DTexture(mTexture.get());
} else {
UnlockD3DTexture(mTexture10.get());
}
}
#endif
}
