bool
DeprecatedTextureClientD3D11::EnsureAllocated(gfx::IntSize aSize,
gfxContentType aType)
{
D3D10_TEXTURE2D_DESC desc;
if (mTexture) {
mTexture->GetDesc(&desc);
if (desc.Width == aSize.width && desc.Height == aSize.height) {
return true;
}
mTexture = nullptr;
mSurface = nullptr;
ClearDT();
}
mSize = aSize;
ID3D10Device* device = gfxWindowsPlatform::GetPlatform()->GetD3D10Device();
CD3D10_TEXTURE2D_DESC newDesc(DXGI_FORMAT_B8G8R8A8_UNORM,
aSize.width, aSize.height, 1, 1,
D3D10_BIND_RENDER_TARGET | D3D10_BIND_SHADER_RESOURCE);
newDesc.MiscFlags = D3D10_RESOURCE_MISC_SHARED_KEYEDMUTEX;
HRESULT hr = device->CreateTexture2D(&newDesc, nullptr, byRef(mTexture));
if (FAILED(hr)) {
LOGD3D11("Error creating texture for client!");
return false;
}
RefPtr<IDXGIResource> resource;
mTexture->QueryInterface((IDXGIResource**)byRef(resource));
HANDLE sharedHandle;
hr = resource->GetSharedHandle(&sharedHandle);
if (FAILED(hr)) {
LOGD3D11("Error getting shared handle for texture.");
return false;
}
mDescriptor = SurfaceDescriptorD3D10((WindowsHandle)sharedHandle,
aType == GFX_CONTENT_COLOR_ALPHA);
mContentType = aType;
return true;
}
void
DeprecatedTextureClientD3D11::SetDescriptor(const SurfaceDescriptor& aDescriptor)
{
if (aDescriptor.type() == SurfaceDescriptor::Tnull_t) {
EnsureAllocated(mSize, mContentType);
return;
}
mDescriptor = aDescriptor;
mSurface = nullptr;
ClearDT();
if (aDescriptor.type() == SurfaceDescriptor::T__None) {
return;
}
MOZ_ASSERT(aDescriptor.type() == SurfaceDescriptor::TSurfaceDescriptorD3D10);
ID3D10Device* device = gfxWindowsPlatform::GetPlatform()->GetD3D10Device();
device->OpenSharedResource((HANDLE)aDescriptor.get_SurfaceDescriptorD3D10().handle(),
__uuidof(ID3D10Texture2D),
(void**)(ID3D10Texture2D**)byRef(mTexture));
}
DeprecatedTextureClientD3D11::~DeprecatedTextureClientD3D11()
{
mDescriptor = SurfaceDescriptor();
ClearDT();
}
