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
}
bool
TextureClientD3D11::Lock(OpenMode aMode)
{
if (!IsAllocated()) {
return false;
}
MOZ_ASSERT(!mIsLocked, "The Texture is already locked!");
if (mTexture) {
MOZ_ASSERT(!mTexture10);
mIsLocked = LockD3DTexture(mTexture.get());
} else {
MOZ_ASSERT(!mTexture);
mIsLocked = LockD3DTexture(mTexture10.get());
}
if (!mIsLocked) {
return false;
}
if (NS_IsMainThread()) {
// Make sure that successful write-lock means we will have a DrawTarget to
// write into.
if (aMode & OpenMode::OPEN_WRITE) {
mDrawTarget = BorrowDrawTarget();
if (!mDrawTarget) {
Unlock();
return false;
}
}
if (mNeedsClear) {
mDrawTarget = BorrowDrawTarget();
if (!mDrawTarget) {
Unlock();
return false;
}
mDrawTarget->ClearRect(Rect(0, 0, GetSize().width, GetSize().height));
mNeedsClear = false;
}
if (mNeedsClearWhite) {
mDrawTarget = BorrowDrawTarget();
if (!mDrawTarget) {
Unlock();
return false;
}
mDrawTarget->FillRect(Rect(0, 0, GetSize().width, GetSize().height), ColorPattern(Color(1.0, 1.0, 1.0, 1.0)));
mNeedsClearWhite = false;
}
}
return true;
}
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
}
bool
DXGITextureHostD3D11::Lock()
{
if (!GetDevice()) {
NS_WARNING("trying to lock a TextureHost without a D3D device");
return false;
}
if (!mTextureSource) {
if (!mTexture && !OpenSharedHandle()) {
return false;
}
mTextureSource = new DataTextureSourceD3D11(mFormat, mCompositor, mTexture);
}
mIsLocked = LockD3DTexture(mTextureSource->GetD3D11Texture());
return mIsLocked;
}
