Method OpenShared

trinityal/dx11/Tr2TextureALDx11.cpp:473–528

}

ALResult Tr2TextureAL::OpenShared( uintptr_t handle, Tr2GpuUsage::Type gpuUsage, Tr2PrimaryRenderContextAL& renderContext )
{
	Destroy();

	if( !renderContext.IsValid() )
	{
		return E_FAIL;
	}

	CCP_AL_LOG( "Opening shared texture %lld", uint64_t( handle ) );

	CComPtr<ID3D11Texture2D> resource;
	auto hr = renderContext.m_d3dDevice11->OpenSharedResource( reinterpret_cast<HANDLE>( handle ), __uuidof( ID3D11Texture2D ), reinterpret_cast<void**>( &resource.p ) );
	if( FAILED( hr ) )
	{
		CCP_AL_LOG( "Failed to open shared texture %lld", uint64_t( handle ) );
	}

	FORWARD_HR( hr );

	if( !resource )
	{
		return E_FAIL;
	}

	D3D11_TEXTURE2D_DESC dxDesc;
	resource->GetDesc( &dxDesc );
	Tr2RenderContextEnum::PixelFormat fmt;
	bool createSrgb = true;
	if( IsTypeless( Tr2RenderContextEnum::PixelFormat( dxDesc.Format ) ) )
	{
		fmt = FromTypeless( Tr2RenderContextEnum::PixelFormat( dxDesc.Format ) );
	}
	else
	{
		fmt = Tr2RenderContextEnum::PixelFormat( dxDesc.Format );
		createSrgb = false;
	}
	Tr2BitmapDimensions desc( Tr2RenderContextEnum::TEX_TYPE_2D, fmt, dxDesc.Width, dxDesc.Height, 1, dxDesc.MipLevels );

	CCP_AL_LOG( "Creating views for the shared texture %lld, GPU usage is %d", uint64_t( handle ), int( gpuUsage ) );

	hr = CreateViews( resource, desc, Tr2MsaaDesc(), gpuUsage, Tr2CpuUsage::NONE, createSrgb, renderContext );
	if( FAILED( hr ) )
	{
		CCP_AL_LOG( "Failed to create views for the shared texture %lld, GPU usage is %d", uint64_t( handle ), int( gpuUsage ) );
	}
	FORWARD_HR( hr );

	m_desc = desc;
	m_msaa = Tr2MsaaDesc();
	m_gpuUsage = gpuUsage;
	m_cpuUsage = Tr2CpuUsage::NONE;
	m_texture = resource;
	return S_OK;
}

ALResult Tr2TextureAL::CreateViews(