void BasicShapes::CreateVertexBuffer(
_In_ unsigned int numVertices,
_In_ BasicVertex *vertexData,
_Out_ ID3D11Buffer **vertexBuffer
)
{
*vertexBuffer = nullptr;
Microsoft::WRL::ComPtr<ID3D11Buffer> vertexBufferInternal;
D3D11_BUFFER_DESC VertexBufferDesc;
VertexBufferDesc.ByteWidth = sizeof(BasicVertex) * numVertices;
VertexBufferDesc.Usage = D3D11_USAGE_DEFAULT;
VertexBufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER;
VertexBufferDesc.CPUAccessFlags = 0;
VertexBufferDesc.MiscFlags = 0;
VertexBufferDesc.StructureByteStride = 0;
D3D11_SUBRESOURCE_DATA VertexBufferData;
VertexBufferData.pSysMem = vertexData;
VertexBufferData.SysMemPitch = 0;
VertexBufferData.SysMemSlicePitch = 0;
DX::ThrowIfFailed(
m_d3dDevice->CreateBuffer(
&VertexBufferDesc,
&VertexBufferData,
&vertexBufferInternal
)
);
*vertexBuffer = vertexBufferInternal.Detach();
}
void BasicShapes::CreateIndexBuffer(
_In_ unsigned int numIndices,
_In_ unsigned short *indexData,
_Out_ ID3D11Buffer **indexBuffer
)
{
*indexBuffer = nullptr;
Microsoft::WRL::ComPtr<ID3D11Buffer> indexBufferInternal;
D3D11_BUFFER_DESC IndexBufferDesc;
IndexBufferDesc.ByteWidth = sizeof(unsigned short) * numIndices;
IndexBufferDesc.Usage = D3D11_USAGE_DEFAULT;
IndexBufferDesc.BindFlags = D3D11_BIND_INDEX_BUFFER;
IndexBufferDesc.CPUAccessFlags = 0;
IndexBufferDesc.MiscFlags = 0;
IndexBufferDesc.StructureByteStride = 0;
D3D11_SUBRESOURCE_DATA IndexBufferData;
IndexBufferData.pSysMem = indexData;
IndexBufferData.SysMemPitch = 0;
IndexBufferData.SysMemSlicePitch = 0;
DX::ThrowIfFailed(
m_d3dDevice->CreateBuffer(
&IndexBufferDesc,
&IndexBufferData,
&indexBufferInternal
)
);
*indexBuffer = indexBufferInternal.Detach();
}
// Initialize the DirectX resources required to run.
void Graphics::Initialize(void)
{
ASSERT(s_SwapChain1 == nullptr, "Graphics has already been initialized");
Microsoft::WRL::ComPtr<ID3D12Device> pDevice;
#if _DEBUG
Microsoft::WRL::ComPtr<ID3D12Debug> debugInterface;
if (SUCCEEDED(D3D12GetDebugInterface(MY_IID_PPV_ARGS(&debugInterface))))
debugInterface->EnableDebugLayer();
else
Utility::Print("WARNING: Unable to enable D3D12 debug validation layer\n");
#endif
// Obtain the DXGI factory
Microsoft::WRL::ComPtr<IDXGIFactory4> dxgiFactory;
ASSERT_SUCCEEDED(CreateDXGIFactory2(0, MY_IID_PPV_ARGS(&dxgiFactory)));
// Create the D3D graphics device
Microsoft::WRL::ComPtr<IDXGIAdapter1> pAdapter;
static const bool bUseWarpDriver = false;
if (!bUseWarpDriver)
{
for (uint32_t Idx = 0; DXGI_ERROR_NOT_FOUND != dxgiFactory->EnumAdapters1(Idx, &pAdapter); ++Idx)
{
DXGI_ADAPTER_DESC1 desc;
pAdapter->GetDesc1(&desc);
if (desc.Flags & DXGI_ADAPTER_FLAG_SOFTWARE)
continue;
if (SUCCEEDED(D3D12CreateDevice(pAdapter.Get(), D3D_FEATURE_LEVEL_12_0, MY_IID_PPV_ARGS(&pDevice))))
{
pAdapter->GetDesc1(&desc);
Utility::Printf(L"D3D12-capable hardware found: %s (%u MB)\n", desc.Description, desc.DedicatedVideoMemory >> 20);
g_Device = pDevice.Detach();
break;
}
}
}
////////////////////////////////////////////////////////////////////////////////////
// ObjectiveC Interop
////////////////////////////////////////////////////////////////////////////////////
UIKIT_XAML_EXPORT void XamlCreateProgressRing(IInspectable** created) {
Microsoft::WRL::ComPtr<IInspectable> inspectable = InspectableFromObject(ref new UIKit::Xaml::ProgressRing());
*created = inspectable.Detach();
}