// Load the rendering pipeline dependencies.
void D3D12HelloWindow::LoadPipeline()
{
#if defined(_DEBUG)
// Enable the D3D12 debug layer.
{
ComPtr<ID3D12Debug> debugController;
if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&debugController))))
{
debugController->EnableDebugLayer();
}
}
#endif
ComPtr<IDXGIFactory4> factory;
ThrowIfFailed(CreateDXGIFactory1(IID_PPV_ARGS(&factory)));
if (m_useWarpDevice)
{
ComPtr<IDXGIAdapter> warpAdapter;
ThrowIfFailed(factory->EnumWarpAdapter(IID_PPV_ARGS(&warpAdapter)));
ThrowIfFailed(D3D12CreateDevice(
warpAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
else
{
ComPtr<IDXGIAdapter1> hardwareAdapter;
GetHardwareAdapter(factory.Get(), &hardwareAdapter);
ThrowIfFailed(D3D12CreateDevice(
hardwareAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
// Describe and create the command queue.
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
ThrowIfFailed(m_device->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&m_commandQueue)));
// Describe and create the swap chain.
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {};
swapChainDesc.BufferCount = FrameCount;
swapChainDesc.Width = m_width;
swapChainDesc.Height = m_height;
swapChainDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.SampleDesc.Count = 1;
ComPtr<IDXGISwapChain1> swapChain;
ThrowIfFailed(factory->CreateSwapChainForHwnd(
m_commandQueue.Get(), // Swap chain needs the queue so that it can force a flush on it.
Win32Application::GetHwnd(),
&swapChainDesc,
nullptr,
nullptr,
&swapChain
));
// This sample does not support fullscreen transitions.
ThrowIfFailed(factory->MakeWindowAssociation(Win32Application::GetHwnd(), DXGI_MWA_NO_ALT_ENTER));
ThrowIfFailed(swapChain.As(&m_swapChain));
m_frameIndex = m_swapChain->GetCurrentBackBufferIndex();
// Create descriptor heaps.
{
// Describe and create a render target view (RTV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC rtvHeapDesc = {};
rtvHeapDesc.NumDescriptors = FrameCount;
rtvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
rtvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&rtvHeapDesc, IID_PPV_ARGS(&m_rtvHeap)));
m_rtvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
}
// Create frame resources.
{
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeap->GetCPUDescriptorHandleForHeapStart());
// Create a RTV for each frame.
for (UINT n = 0; n < FrameCount; n++)
{
ThrowIfFailed(m_swapChain->GetBuffer(n, IID_PPV_ARGS(&m_renderTargets[n])));
m_device->CreateRenderTargetView(m_renderTargets[n].Get(), nullptr, rtvHandle);
rtvHandle.Offset(1, m_rtvDescriptorSize);
}
}
ThrowIfFailed(m_device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&m_commandAllocator)));
}
// Load the rendering pipeline dependencies.
void D3D12HDR::LoadPipeline()
{
#if defined(_DEBUG)
// Enable the debug layer (requires the Graphics Tools "optional feature").
// NOTE: Enabling the debug layer after device creation will invalidate the active device.
{
ComPtr<ID3D12Debug> debugController;
if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&debugController))))
{
debugController->EnableDebugLayer();
// Enable additional debug layers.
m_dxgiFactoryFlags |= DXGI_CREATE_FACTORY_DEBUG;
}
}
#endif
ThrowIfFailed(CreateDXGIFactory2(m_dxgiFactoryFlags, IID_PPV_ARGS(&m_dxgiFactory)));
if (m_useWarpDevice)
{
ComPtr<IDXGIAdapter> warpAdapter;
ThrowIfFailed(m_dxgiFactory->EnumWarpAdapter(IID_PPV_ARGS(&warpAdapter)));
ThrowIfFailed(D3D12CreateDevice(
warpAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
else
{
ComPtr<IDXGIAdapter1> hardwareAdapter;
GetHardwareAdapter(m_dxgiFactory.Get(), &hardwareAdapter);
ThrowIfFailed(D3D12CreateDevice(
hardwareAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
// Describe and create the command queue.
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
ThrowIfFailed(m_device->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&m_commandQueue)));
NAME_D3D12_OBJECT(m_commandQueue);
// Describe and create the swap chain.
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {};
swapChainDesc.BufferCount = FrameCount;
swapChainDesc.Width = m_width;
swapChainDesc.Height = m_height;
swapChainDesc.Format = m_swapChainFormats[m_currentSwapChainBitDepth];
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.SampleDesc.Count = 1;
// It is recommended to always use the tearing flag when it is available.
swapChainDesc.Flags = m_tearingSupport ? DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING : 0;
ComPtr<IDXGISwapChain1> swapChain;
ThrowIfFailed(m_dxgiFactory->CreateSwapChainForHwnd(
m_commandQueue.Get(), // Swap chain needs the queue so that it can force a flush on it.
Win32Application::GetHwnd(),
&swapChainDesc,
nullptr,
nullptr,
&swapChain
));
if (m_tearingSupport)
{
// When tearing support is enabled we will handle ALT+Enter key presses in the
// window message loop rather than let DXGI handle it by calling SetFullscreenState.
m_dxgiFactory->MakeWindowAssociation(Win32Application::GetHwnd(), DXGI_MWA_NO_ALT_ENTER);
}
ThrowIfFailed(swapChain.As(&m_swapChain));
// Check display HDR support and initialize ST.2084 support to match the display's support.
CheckDisplayHDRSupport();
m_enableST2084 = m_hdrSupport;
EnsureSwapChainColorSpace(m_currentSwapChainBitDepth, m_enableST2084);
SetHDRMetaData(HDRMetaDataPool[m_hdrMetaDataPoolIdx][0], HDRMetaDataPool[m_hdrMetaDataPoolIdx][1], HDRMetaDataPool[m_hdrMetaDataPoolIdx][2], HDRMetaDataPool[m_hdrMetaDataPoolIdx][3]);
m_frameIndex = m_swapChain->GetCurrentBackBufferIndex();
// Create descriptor heaps.
{
// Describe and create a render target view (RTV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC rtvHeapDesc = {};
rtvHeapDesc.NumDescriptors = FrameCount + 2; // A descriptor for each frame + 2 intermediate render targets.
rtvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
rtvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&rtvHeapDesc, IID_PPV_ARGS(&m_rtvHeap)));
// Describe and create a shader resource view (SRV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC srvHeapDesc = {};
srvHeapDesc.NumDescriptors = 2; // A descriptor for each of the 2 intermediate render targets.
srvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
srvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&srvHeapDesc, IID_PPV_ARGS(&m_srvHeap)));
m_rtvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
m_srvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
}
// Create a command allocator for each frame.
for (UINT n = 0; n < FrameCount; n++)
{
ThrowIfFailed(m_device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&m_commandAllocators[n])));
}
}
// Load the rendering pipeline dependencies.
void D3D12DynamicIndexing::LoadPipeline()
{
#if defined(_DEBUG)
// Enable the D3D12 debug layer.
{
ComPtr<ID3D12Debug> debugController;
if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&debugController))))
{
debugController->EnableDebugLayer();
}
}
#endif
ComPtr<IDXGIFactory4> factory;
ThrowIfFailed(CreateDXGIFactory1(IID_PPV_ARGS(&factory)));
if (m_useWarpDevice)
{
ComPtr<IDXGIAdapter> warpAdapter;
ThrowIfFailed(factory->EnumWarpAdapter(IID_PPV_ARGS(&warpAdapter)));
ThrowIfFailed(D3D12CreateDevice(
warpAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
else
{
ComPtr<IDXGIAdapter1> hardwareAdapter;
GetHardwareAdapter(factory.Get(), &hardwareAdapter);
ThrowIfFailed(D3D12CreateDevice(
hardwareAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
// Describe and create the command queue.
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
ThrowIfFailed(m_device->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&m_commandQueue)));
NAME_D3D12_OBJECT(m_commandQueue);
// Describe and create the swap chain.
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {};
swapChainDesc.BufferCount = FrameCount;
swapChainDesc.Width = m_width;
swapChainDesc.Height = m_height;
swapChainDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.SampleDesc.Count = 1;
ComPtr<IDXGISwapChain1> swapChain;
ThrowIfFailed(factory->CreateSwapChainForHwnd(
m_commandQueue.Get(), // Swap chain needs the queue so that it can force a flush on it.
Win32Application::GetHwnd(),
&swapChainDesc,
nullptr,
nullptr,
&swapChain
));
// This sample does not support fullscreen transitions.
ThrowIfFailed(factory->MakeWindowAssociation(Win32Application::GetHwnd(), DXGI_MWA_NO_ALT_ENTER));
ThrowIfFailed(swapChain.As(&m_swapChain));
m_frameIndex = m_swapChain->GetCurrentBackBufferIndex();
// Create descriptor heaps.
{
// Describe and create a render target view (RTV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC rtvHeapDesc = {};
rtvHeapDesc.NumDescriptors = FrameCount;
rtvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
rtvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&rtvHeapDesc, IID_PPV_ARGS(&m_rtvHeap)));
// Describe and create a depth stencil view (DSV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC dsvHeapDesc = {};
dsvHeapDesc.NumDescriptors = 1;
dsvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_DSV;
dsvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&dsvHeapDesc, IID_PPV_ARGS(&m_dsvHeap)));
// Describe and create a shader resource view (SRV) and constant
// buffer view (CBV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC cbvSrvHeapDesc = {};
cbvSrvHeapDesc.NumDescriptors =
FrameCount * CityRowCount * CityColumnCount + // FrameCount frames * CityRowCount * CityColumnCount.
CityMaterialCount + 1; // CityMaterialCount + 1 for the SRVs.
cbvSrvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
cbvSrvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&cbvSrvHeapDesc, IID_PPV_ARGS(&m_cbvSrvHeap)));
NAME_D3D12_OBJECT(m_cbvSrvHeap);
// Describe and create a sampler descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC samplerHeapDesc = {};
samplerHeapDesc.NumDescriptors = 1;
samplerHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER;
samplerHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&samplerHeapDesc, IID_PPV_ARGS(&m_samplerHeap)));
m_rtvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
m_cbvSrvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
}
ThrowIfFailed(m_device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&m_commandAllocator)));
}
// Load the rendering pipeline dependencies.
void D3D12Multithreading::LoadPipeline()
{
#if defined(_DEBUG)
// Enable the D3D12 debug layer.
{
ComPtr<ID3D12Debug> debugController;
if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&debugController))))
{
debugController->EnableDebugLayer();
}
}
#endif
ComPtr<IDXGIFactory4> factory;
ThrowIfFailed(CreateDXGIFactory1(IID_PPV_ARGS(&factory)));
if (m_useWarpDevice)
{
ComPtr<IDXGIAdapter> warpAdapter;
ThrowIfFailed(factory->EnumWarpAdapter(IID_PPV_ARGS(&warpAdapter)));
ThrowIfFailed(D3D12CreateDevice(
warpAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
else
{
ComPtr<IDXGIAdapter1> hardwareAdapter;
GetHardwareAdapter(factory.Get(), &hardwareAdapter);
ThrowIfFailed(D3D12CreateDevice(
hardwareAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
// Describe and create the command queue.
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
ThrowIfFailed(m_device->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&m_commandQueue)));
NAME_D3D12_OBJECT(m_commandQueue);
// Describe and create the swap chain.
DXGI_SWAP_CHAIN_DESC swapChainDesc = {};
swapChainDesc.BufferCount = FrameCount;
swapChainDesc.BufferDesc.Width = m_width;
swapChainDesc.BufferDesc.Height = m_height;
swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.OutputWindow = Win32Application::GetHwnd();
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.Windowed = TRUE;
ComPtr<IDXGISwapChain> swapChain;
ThrowIfFailed(factory->CreateSwapChain(
m_commandQueue.Get(), // Swap chain needs the queue so that it can force a flush on it.
&swapChainDesc,
&swapChain
));
ThrowIfFailed(swapChain.As(&m_swapChain));
// This sample does not support fullscreen transitions.
ThrowIfFailed(factory->MakeWindowAssociation(Win32Application::GetHwnd(), DXGI_MWA_NO_ALT_ENTER));
m_frameIndex = m_swapChain->GetCurrentBackBufferIndex();
// Create descriptor heaps.
{
// Describe and create a render target view (RTV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC rtvHeapDesc = {};
rtvHeapDesc.NumDescriptors = FrameCount;
rtvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
rtvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&rtvHeapDesc, IID_PPV_ARGS(&m_rtvHeap)));
// Describe and create a depth stencil view (DSV) descriptor heap.
// Each frame has its own depth stencils (to write shadows onto)
// and then there is one for the scene itself.
D3D12_DESCRIPTOR_HEAP_DESC dsvHeapDesc = {};
dsvHeapDesc.NumDescriptors = 1 + FrameCount * 1;
dsvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_DSV;
dsvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&dsvHeapDesc, IID_PPV_ARGS(&m_dsvHeap)));
// Describe and create a shader resource view (SRV) and constant
// buffer view (CBV) descriptor heap. Heap layout: null views,
// object diffuse + normal textures views, frame 1's shadow buffer,
// frame 1's 2x constant buffer, frame 2's shadow buffer, frame 2's
// 2x constant buffers, etc...
const UINT nullSrvCount = 2; // Null descriptors are needed for out of bounds behavior reads.
const UINT cbvCount = FrameCount * 2;
const UINT srvCount = _countof(SampleAssets::Textures) + (FrameCount * 1);
D3D12_DESCRIPTOR_HEAP_DESC cbvSrvHeapDesc = {};
cbvSrvHeapDesc.NumDescriptors = nullSrvCount + cbvCount + srvCount;
cbvSrvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
cbvSrvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&cbvSrvHeapDesc, IID_PPV_ARGS(&m_cbvSrvHeap)));
NAME_D3D12_OBJECT(m_cbvSrvHeap);
// Describe and create a sampler descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC samplerHeapDesc = {};
samplerHeapDesc.NumDescriptors = 2; // One clamp and one wrap sampler.
samplerHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER;
samplerHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&samplerHeapDesc, IID_PPV_ARGS(&m_samplerHeap)));
NAME_D3D12_OBJECT(m_samplerHeap);
m_rtvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
}
ThrowIfFailed(m_device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&m_commandAllocator)));
}
// Load the rendering pipeline dependencies.
void D3D12Fullscreen::LoadPipeline()
{
#if defined(_DEBUG)
// Enable the D3D12 debug layer.
{
ComPtr<ID3D12Debug> debugController;
if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&debugController))))
{
debugController->EnableDebugLayer();
}
}
#endif
ComPtr<IDXGIFactory4> factory;
ThrowIfFailed(CreateDXGIFactory1(IID_PPV_ARGS(&factory)));
if (m_useWarpDevice)
{
ComPtr<IDXGIAdapter> warpAdapter;
ThrowIfFailed(factory->EnumWarpAdapter(IID_PPV_ARGS(&warpAdapter)));
ThrowIfFailed(D3D12CreateDevice(
warpAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
else
{
ComPtr<IDXGIAdapter1> hardwareAdapter;
GetHardwareAdapter(factory.Get(), &hardwareAdapter);
ThrowIfFailed(D3D12CreateDevice(
hardwareAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
// Describe and create the command queue.
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
ThrowIfFailed(m_device->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&m_commandQueue)));
NAME_D3D12_OBJECT(m_commandQueue);
// Describe and create the swap chain.
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {};
swapChainDesc.BufferCount = FrameCount;
swapChainDesc.Width = m_width;
swapChainDesc.Height = m_height;
swapChainDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.SampleDesc.Count = 1;
// It is recommended to always use the tearing flag when it is available.
swapChainDesc.Flags = m_tearingSupport ? DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING : 0;
ComPtr<IDXGISwapChain1> swapChain;
ThrowIfFailed(factory->CreateSwapChainForHwnd(
m_commandQueue.Get(), // Swap chain needs the queue so that it can force a flush on it.
Win32Application::GetHwnd(),
&swapChainDesc,
nullptr,
nullptr,
&swapChain
));
if (m_tearingSupport)
{
// When tearing support is enabled we will handle ALT+Enter key presses in the
// window message loop rather than let DXGI handle it by calling SetFullscreenState.
factory->MakeWindowAssociation(Win32Application::GetHwnd(), DXGI_MWA_NO_ALT_ENTER);
}
ThrowIfFailed(swapChain.As(&m_swapChain));
m_frameIndex = m_swapChain->GetCurrentBackBufferIndex();
// Create descriptor heaps.
{
// Describe and create a render target view (RTV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC rtvHeapDesc = {};
rtvHeapDesc.NumDescriptors = FrameCount;
rtvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
rtvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&rtvHeapDesc, IID_PPV_ARGS(&m_rtvHeap)));
// Describe and create a constant buffer view (CBV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC cbvHeapDesc = {};
cbvHeapDesc.NumDescriptors = FrameCount;
cbvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
cbvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&cbvHeapDesc, IID_PPV_ARGS(&m_cbvHeap)));
m_rtvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
m_cbvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
}
// Create a command allocator for each frame.
for (UINT n = 0; n < FrameCount; n++)
{
ThrowIfFailed(m_device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&m_commandAllocators[n])));
}
}
// Load the rendering pipeline dependencies.
void D3D12PredicationQueries::LoadPipeline()
{
UINT dxgiFactoryFlags = 0;
#if defined(_DEBUG)
// Enable the debug layer (requires the Graphics Tools "optional feature").
// NOTE: Enabling the debug layer after device creation will invalidate the active device.
{
ComPtr<ID3D12Debug> debugController;
if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&debugController))))
{
debugController->EnableDebugLayer();
// Enable additional debug layers.
dxgiFactoryFlags |= DXGI_CREATE_FACTORY_DEBUG;
}
}
#endif
ComPtr<IDXGIFactory4> factory;
ThrowIfFailed(CreateDXGIFactory2(dxgiFactoryFlags, IID_PPV_ARGS(&factory)));
if (m_useWarpDevice)
{
ComPtr<IDXGIAdapter> warpAdapter;
ThrowIfFailed(factory->EnumWarpAdapter(IID_PPV_ARGS(&warpAdapter)));
ThrowIfFailed(D3D12CreateDevice(
warpAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
else
{
ComPtr<IDXGIAdapter1> hardwareAdapter;
GetHardwareAdapter(factory.Get(), &hardwareAdapter);
ThrowIfFailed(D3D12CreateDevice(
hardwareAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
// Describe and create the command queue.
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
ThrowIfFailed(m_device->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&m_commandQueue)));
NAME_D3D12_OBJECT(m_commandQueue);
// Describe and create the swap chain.
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {};
swapChainDesc.BufferCount = FrameCount;
swapChainDesc.Width = m_width;
swapChainDesc.Height = m_height;
swapChainDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.SampleDesc.Count = 1;
ComPtr<IDXGISwapChain1> swapChain;
ThrowIfFailed(factory->CreateSwapChainForHwnd(
m_commandQueue.Get(), // Swap chain needs the queue so that it can force a flush on it.
Win32Application::GetHwnd(),
&swapChainDesc,
nullptr,
nullptr,
&swapChain
));
// This sample does not support fullscreen transitions.
ThrowIfFailed(factory->MakeWindowAssociation(Win32Application::GetHwnd(), DXGI_MWA_NO_ALT_ENTER));
ThrowIfFailed(swapChain.As(&m_swapChain));
m_frameIndex = m_swapChain->GetCurrentBackBufferIndex();
// Create descriptor heaps.
{
// Describe and create a render target view (RTV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC rtvHeapDesc = {};
rtvHeapDesc.NumDescriptors = FrameCount;
rtvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
rtvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&rtvHeapDesc, IID_PPV_ARGS(&m_rtvHeap)));
// Describe and create a depth stencil view (DSV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC dsvHeapDesc = {};
dsvHeapDesc.NumDescriptors = 1;
dsvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_DSV;
dsvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&dsvHeapDesc, IID_PPV_ARGS(&m_dsvHeap)));
// Describe and create a constant buffer view (CBV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC cbvHeapDesc = {};
cbvHeapDesc.NumDescriptors = CbvCountPerFrame * FrameCount;
cbvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
cbvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&cbvHeapDesc, IID_PPV_ARGS(&m_cbvHeap)));
NAME_D3D12_OBJECT(m_cbvHeap);
// Describe and create a heap for occlusion queries.
D3D12_QUERY_HEAP_DESC queryHeapDesc = {};
queryHeapDesc.Count = 1;
queryHeapDesc.Type = D3D12_QUERY_HEAP_TYPE_OCCLUSION;
ThrowIfFailed(m_device->CreateQueryHeap(&queryHeapDesc, IID_PPV_ARGS(&m_queryHeap)));
m_rtvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
m_cbvSrvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
}
// Create frame resources.
{
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeap->GetCPUDescriptorHandleForHeapStart());
// Create a RTV and a command allocator for each frame.
for (UINT n = 0; n < FrameCount; n++)
{
ThrowIfFailed(m_swapChain->GetBuffer(n, IID_PPV_ARGS(&m_renderTargets[n])));
m_device->CreateRenderTargetView(m_renderTargets[n].Get(), nullptr, rtvHandle);
rtvHandle.Offset(1, m_rtvDescriptorSize);
NAME_D3D12_OBJECT_INDEXED(m_renderTargets, n);
ThrowIfFailed(m_device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&m_commandAllocators[n])));
}
}
}
// Load the rendering pipeline dependencies.
void D3D12PipelineStateCache::LoadPipeline()
{
#if defined(_DEBUG)
// Enable the D3D12 debug layer.
{
ComPtr<ID3D12Debug> debugController;
if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&debugController))))
{
debugController->EnableDebugLayer();
}
}
#endif
ComPtr<IDXGIFactory4> factory;
ThrowIfFailed(CreateDXGIFactory1(IID_PPV_ARGS(&factory)));
if (m_useWarpDevice)
{
ComPtr<IDXGIAdapter> warpAdapter;
ThrowIfFailed(factory->EnumWarpAdapter(IID_PPV_ARGS(&warpAdapter)));
ThrowIfFailed(D3D12CreateDevice(
warpAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
else
{
ComPtr<IDXGIAdapter1> hardwareAdapter;
GetHardwareAdapter(factory.Get(), &hardwareAdapter);
ThrowIfFailed(D3D12CreateDevice(
hardwareAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
// Describe and create the command queue.
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
ThrowIfFailed(m_device->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&m_commandQueue)));
NAME_D3D12_OBJECT(m_commandQueue);
// Describe and create the swap chain.
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {};
swapChainDesc.BufferCount = FrameCount;
swapChainDesc.Width = m_width;
swapChainDesc.Height = m_height;
swapChainDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT;
ComPtr<IDXGISwapChain1> swapChain;
ThrowIfFailed(factory->CreateSwapChainForCoreWindow(
m_commandQueue.Get(), // Swap chain needs the queue so that it can force a flush on it.
reinterpret_cast<IUnknown*>(Windows::UI::Core::CoreWindow::GetForCurrentThread()),
&swapChainDesc,
nullptr,
&swapChain
));
ThrowIfFailed(swapChain.As(&m_swapChain));
m_frameIndex = m_swapChain->GetCurrentBackBufferIndex();
m_swapChainEvent = m_swapChain->GetFrameLatencyWaitableObject();
// Create descriptor heaps.
{
// Describe and create a render target view (RTV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC rtvHeapDesc = {};
rtvHeapDesc.NumDescriptors = FrameCount + 1; // A descriptor for each frame + 1 intermediate render target.
rtvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
rtvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&rtvHeapDesc, IID_PPV_ARGS(&m_rtvHeap)));
// Describe and create a shader resource view (SRV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC srvHeapDesc = {};
srvHeapDesc.NumDescriptors = 1;
srvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
srvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&srvHeapDesc, IID_PPV_ARGS(&m_srvHeap)));
NAME_D3D12_OBJECT(m_srvHeap);
m_rtvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
m_srvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
}
// Create frame resources.
{
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeap->GetCPUDescriptorHandleForHeapStart());
// Create RTVs and a command allocator for each frame.
for (UINT n = 0; n < FrameCount; n++)
{
ThrowIfFailed(m_swapChain->GetBuffer(n, IID_PPV_ARGS(&m_renderTargets[n])));
m_device->CreateRenderTargetView(m_renderTargets[n].Get(), nullptr, rtvHandle);
rtvHandle.Offset(1, m_rtvDescriptorSize);
NAME_D3D12_OBJECT_INDEXED(m_renderTargets, n);
ThrowIfFailed(m_device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&m_commandAllocators[n])));
}
D3D12_RESOURCE_DESC renderTargetDesc = m_renderTargets[0]->GetDesc();
D3D12_CLEAR_VALUE clearValue = {};
memcpy(clearValue.Color, IntermediateClearColor, sizeof(IntermediateClearColor));
clearValue.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
// Create an intermediate render target that is the same dimensions as the swap chain.
ThrowIfFailed(m_device->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT),
D3D12_HEAP_FLAG_NONE,
&renderTargetDesc,
D3D12_RESOURCE_STATE_RENDER_TARGET,
&clearValue,
IID_PPV_ARGS(&m_intermediateRenderTarget)));
NAME_D3D12_OBJECT(m_intermediateRenderTarget);
m_device->CreateRenderTargetView(m_intermediateRenderTarget.Get(), nullptr, rtvHandle);
rtvHandle.Offset(1, m_rtvDescriptorSize);
// Create a SRV of the intermediate render target.
D3D12_SHADER_RESOURCE_VIEW_DESC srvDesc = {};
srvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
srvDesc.Format = renderTargetDesc.Format;
srvDesc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2D;
srvDesc.Texture2D.MipLevels = 1;
CD3DX12_CPU_DESCRIPTOR_HANDLE srvHandle(m_srvHeap->GetCPUDescriptorHandleForHeapStart());
m_device->CreateShaderResourceView(m_intermediateRenderTarget.Get(), &srvDesc, srvHandle);
}
}
// Load the rendering pipeline dependencies.
void D3D1211on12::LoadPipeline()
{
UINT d3d11DeviceFlags = D3D11_CREATE_DEVICE_BGRA_SUPPORT;
D2D1_FACTORY_OPTIONS d2dFactoryOptions = {};
#if defined(_DEBUG)
// Enable the D2D debug layer.
d2dFactoryOptions.debugLevel = D2D1_DEBUG_LEVEL_INFORMATION;
// Enable the D3D11 debug layer.
d3d11DeviceFlags |= D3D11_CREATE_DEVICE_DEBUG;
// Enable the D3D12 debug layer.
{
ComPtr<ID3D12Debug> debugController;
if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&debugController))))
{
debugController->EnableDebugLayer();
}
}
#endif
ComPtr<IDXGIFactory4> factory;
ThrowIfFailed(CreateDXGIFactory1(IID_PPV_ARGS(&factory)));
if (m_useWarpDevice)
{
ComPtr<IDXGIAdapter> warpAdapter;
ThrowIfFailed(factory->EnumWarpAdapter(IID_PPV_ARGS(&warpAdapter)));
ThrowIfFailed(D3D12CreateDevice(
warpAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_d3d12Device)
));
}
else
{
ComPtr<IDXGIAdapter1> hardwareAdapter;
GetHardwareAdapter(factory.Get(), &hardwareAdapter);
ThrowIfFailed(D3D12CreateDevice(
hardwareAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_d3d12Device)
));
}
// Describe and create the command queue.
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
ThrowIfFailed(m_d3d12Device->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&m_commandQueue)));
NAME_D3D12_OBJECT(m_commandQueue);
// Describe the swap chain.
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {};
swapChainDesc.BufferCount = FrameCount;
swapChainDesc.Width = m_width;
swapChainDesc.Height = m_height;
swapChainDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.SampleDesc.Count = 1;
ComPtr<IDXGISwapChain1> swapChain;
ThrowIfFailed(factory->CreateSwapChainForCoreWindow(
m_commandQueue.Get(), // Swap chain needs the queue so that it can force a flush on it.
reinterpret_cast<IUnknown*>(Windows::UI::Core::CoreWindow::GetForCurrentThread()),
&swapChainDesc,
nullptr,
&swapChain
));
ThrowIfFailed(swapChain.As(&m_swapChain));
m_frameIndex = m_swapChain->GetCurrentBackBufferIndex();
// Create an 11 device wrapped around the 12 device and share
// 12's command queue.
ComPtr<ID3D11Device> d3d11Device;
ThrowIfFailed(D3D11On12CreateDevice(
m_d3d12Device.Get(),
d3d11DeviceFlags,
nullptr,
0,
reinterpret_cast<IUnknown**>(m_commandQueue.GetAddressOf()),
1,
0,
&d3d11Device,
&m_d3d11DeviceContext,
nullptr
));
// Query the 11On12 device from the 11 device.
ThrowIfFailed(d3d11Device.As(&m_d3d11On12Device));
// Create D2D/DWrite components.
{
D2D1_DEVICE_CONTEXT_OPTIONS deviceOptions = D2D1_DEVICE_CONTEXT_OPTIONS_NONE;
ThrowIfFailed(D2D1CreateFactory(D2D1_FACTORY_TYPE_SINGLE_THREADED, __uuidof(ID2D1Factory3), &d2dFactoryOptions, &m_d2dFactory));
ComPtr<IDXGIDevice> dxgiDevice;
ThrowIfFailed(m_d3d11On12Device.As(&dxgiDevice));
ThrowIfFailed(m_d2dFactory->CreateDevice(dxgiDevice.Get(), &m_d2dDevice));
ThrowIfFailed(m_d2dDevice->CreateDeviceContext(deviceOptions, &m_d2dDeviceContext));
ThrowIfFailed(DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(IDWriteFactory), &m_dWriteFactory));
}
// Query the desktop's dpi settings, which will be used to create
// D2D's render targets.
float dpiX;
float dpiY;
m_d2dFactory->GetDesktopDpi(&dpiX, &dpiY);
D2D1_BITMAP_PROPERTIES1 bitmapProperties = D2D1::BitmapProperties1(
D2D1_BITMAP_OPTIONS_TARGET | D2D1_BITMAP_OPTIONS_CANNOT_DRAW,
D2D1::PixelFormat(DXGI_FORMAT_UNKNOWN, D2D1_ALPHA_MODE_PREMULTIPLIED),
dpiX,
dpiY
);
// Create descriptor heaps.
{
// Describe and create a render target view (RTV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC rtvHeapDesc = {};
rtvHeapDesc.NumDescriptors = FrameCount;
rtvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
rtvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_d3d12Device->CreateDescriptorHeap(&rtvHeapDesc, IID_PPV_ARGS(&m_rtvHeap)));
m_rtvDescriptorSize = m_d3d12Device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
}
// Create frame resources.
{
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeap->GetCPUDescriptorHandleForHeapStart());
// Create a RTV, D2D render target, and a command allocator for each frame.
for (UINT n = 0; n < FrameCount; n++)
{
ThrowIfFailed(m_swapChain->GetBuffer(n, IID_PPV_ARGS(&m_renderTargets[n])));
m_d3d12Device->CreateRenderTargetView(m_renderTargets[n].Get(), nullptr, rtvHandle);
WCHAR name[25];
if (swprintf_s(name, L"m_renderTargets[%u]", n) > 0)
{
SetName(m_renderTargets[n].Get(), name);
}
// Create a wrapped 11On12 resource of this back buffer. Since we are
// rendering all D3D12 content first and then all D2D content, we specify
// the In resource state as RENDER_TARGET - because D3D12 will have last
// used it in this state - and the Out resource state as PRESENT. When
// ReleaseWrappedResources() is called on the 11On12 device, the resource
// will be transitioned to the PRESENT state.
D3D11_RESOURCE_FLAGS d3d11Flags = { D3D11_BIND_RENDER_TARGET };
ThrowIfFailed(m_d3d11On12Device->CreateWrappedResource(
m_renderTargets[n].Get(),
&d3d11Flags,
D3D12_RESOURCE_STATE_RENDER_TARGET,
D3D12_RESOURCE_STATE_PRESENT,
IID_PPV_ARGS(&m_wrappedBackBuffers[n])
));
// Create a render target for D2D to draw directly to this back buffer.
ComPtr<IDXGISurface> surface;
ThrowIfFailed(m_wrappedBackBuffers[n].As(&surface));
ThrowIfFailed(m_d2dDeviceContext->CreateBitmapFromDxgiSurface(
surface.Get(),
&bitmapProperties,
&m_d2dRenderTargets[n]
));
rtvHandle.Offset(1, m_rtvDescriptorSize);
ThrowIfFailed(m_d3d12Device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&m_commandAllocators[n])));
}
}
}
// Load the rendering pipeline dependencies.
void D3D12HelloConstBuffers::LoadPipeline()
{
#if defined(_DEBUG)
// Enable the D3D12 debug layer.
{
ComPtr<ID3D12Debug> debugController;
if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&debugController))))
{
debugController->EnableDebugLayer();
}
}
#endif
ComPtr<IDXGIFactory4> factory;
ThrowIfFailed(CreateDXGIFactory1(IID_PPV_ARGS(&factory)));
if (m_useWarpDevice)
{
ComPtr<IDXGIAdapter> warpAdapter;
ThrowIfFailed(factory->EnumWarpAdapter(IID_PPV_ARGS(&warpAdapter)));
ThrowIfFailed(D3D12CreateDevice(
warpAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
else
{
ComPtr<IDXGIAdapter1> hardwareAdapter;
GetHardwareAdapter(factory.Get(), &hardwareAdapter);
ThrowIfFailed(D3D12CreateDevice(
hardwareAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
// Describe and create the command queue.
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
ThrowIfFailed(m_device->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&m_commandQueue)));
// Describe and create the swap chain.
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {};
swapChainDesc.BufferCount = FrameCount;
swapChainDesc.Width = m_width;
swapChainDesc.Height = m_height;
swapChainDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.SampleDesc.Count = 1;
ComPtr<IDXGISwapChain1> swapChain;
ThrowIfFailed(factory->CreateSwapChainForCoreWindow(
m_commandQueue.Get(), // Swap chain needs the queue so that it can force a flush on it.
reinterpret_cast<IUnknown*>(Windows::UI::Core::CoreWindow::GetForCurrentThread()),
&swapChainDesc,
nullptr,
&swapChain
));
ThrowIfFailed(swapChain.As(&m_swapChain));
m_frameIndex = m_swapChain->GetCurrentBackBufferIndex();
// Create descriptor heaps.
{
// Describe and create a render target view (RTV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC rtvHeapDesc = {};
rtvHeapDesc.NumDescriptors = FrameCount;
rtvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
rtvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&rtvHeapDesc, IID_PPV_ARGS(&m_rtvHeap)));
m_rtvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
// Describe and create a constant buffer view (CBV) descriptor heap.
// Flags indicate that this descriptor heap can be bound to the pipeline
// and that descriptors contained in it can be referenced by a root table.
D3D12_DESCRIPTOR_HEAP_DESC cbvHeapDesc = {};
cbvHeapDesc.NumDescriptors = 1;
cbvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
cbvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
ThrowIfFailed(m_device->CreateDescriptorHeap(&cbvHeapDesc, IID_PPV_ARGS(&m_cbvHeap)));
}
// Create frame resources.
{
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeap->GetCPUDescriptorHandleForHeapStart());
// Create a RTV for each frame.
for (UINT n = 0; n < FrameCount; n++)
{
ThrowIfFailed(m_swapChain->GetBuffer(n, IID_PPV_ARGS(&m_renderTargets[n])));
m_device->CreateRenderTargetView(m_renderTargets[n].Get(), nullptr, rtvHandle);
rtvHandle.Offset(1, m_rtvDescriptorSize);
}
}
ThrowIfFailed(m_device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&m_commandAllocator)));
}
// Load the rendering pipeline dependencies.
void D3D12Fullscreen::LoadPipeline()
{
UINT dxgiFactoryFlags = 0;
#if defined(_DEBUG)
// Enable the debug layer (requires the Graphics Tools "optional feature").
// NOTE: Enabling the debug layer after device creation will invalidate the active device.
{
ComPtr<ID3D12Debug> debugController;
if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&debugController))))
{
debugController->EnableDebugLayer();
// Enable additional debug layers.
dxgiFactoryFlags |= DXGI_CREATE_FACTORY_DEBUG;
}
}
#endif
ComPtr<IDXGIFactory4> factory;
ThrowIfFailed(CreateDXGIFactory2(dxgiFactoryFlags, IID_PPV_ARGS(&factory)));
if (m_useWarpDevice)
{
ComPtr<IDXGIAdapter> warpAdapter;
ThrowIfFailed(factory->EnumWarpAdapter(IID_PPV_ARGS(&warpAdapter)));
ThrowIfFailed(D3D12CreateDevice(
warpAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
else
{
ComPtr<IDXGIAdapter1> hardwareAdapter;
GetHardwareAdapter(factory.Get(), &hardwareAdapter);
ThrowIfFailed(D3D12CreateDevice(
hardwareAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
// Describe and create the command queue.
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
ThrowIfFailed(m_device->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&m_commandQueue)));
NAME_D3D12_OBJECT(m_commandQueue);
// Describe and create the swap chain.
// The resolution of the swap chain buffers will match the resolution of the window, enabling the
// app to enter iFlip when in fullscreen mode. We will also keep a separate buffer that is not part
// of the swap chain as an intermediate render target, whose resolution will control the rendering
// resolution of the scene.
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {};
swapChainDesc.BufferCount = FrameCount;
swapChainDesc.Width = m_width;
swapChainDesc.Height = m_height;
swapChainDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.SampleDesc.Count = 1;
// It is recommended to always use the tearing flag when it is available.
swapChainDesc.Flags = m_tearingSupport ? DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING : 0;
ComPtr<IDXGISwapChain1> swapChain;
ThrowIfFailed(factory->CreateSwapChainForHwnd(
m_commandQueue.Get(), // Swap chain needs the queue so that it can force a flush on it.
Win32Application::GetHwnd(),
&swapChainDesc,
nullptr,
nullptr,
&swapChain
));
if (m_tearingSupport)
{
// When tearing support is enabled we will handle ALT+Enter key presses in the
// window message loop rather than let DXGI handle it by calling SetFullscreenState.
factory->MakeWindowAssociation(Win32Application::GetHwnd(), DXGI_MWA_NO_ALT_ENTER);
}
ThrowIfFailed(swapChain.As(&m_swapChain));
m_frameIndex = m_swapChain->GetCurrentBackBufferIndex();
// Create descriptor heaps.
{
// Describe and create a render target view (RTV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC rtvHeapDesc = {};
rtvHeapDesc.NumDescriptors = FrameCount + 1; // + 1 for the intermediate render target.
rtvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
rtvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&rtvHeapDesc, IID_PPV_ARGS(&m_rtvHeap)));
// Describe and create a constant buffer view (CBV) and shader resource view (SRV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC cbvSrvHeapDesc = {};
cbvSrvHeapDesc.NumDescriptors = FrameCount + 1; // One CBV per frame and one SRV for the intermediate render target.
cbvSrvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
cbvSrvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&cbvSrvHeapDesc, IID_PPV_ARGS(&m_cbvSrvHeap)));
m_rtvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
m_cbvSrvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
}
// Create command allocators for each frame.
for (UINT n = 0; n < FrameCount; n++)
{
ThrowIfFailed(m_device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&m_sceneCommandAllocators[n])));
ThrowIfFailed(m_device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&m_postCommandAllocators[n])));
}
}
// Load the rendering pipeline dependencies.
HRESULT VolumetricAnimation::LoadPipeline()
{
HRESULT hr;
// [TODO]: Move to project independent framework
#ifdef _DEBUG
// Enable the D3D12 debug layer.
ComPtr<ID3D12Debug> debugController;
if ( SUCCEEDED( D3D12GetDebugInterface( IID_PPV_ARGS( &debugController ) ) ) )
{
debugController->EnableDebugLayer();
}else
PRINTWARN(L"Unable to enable D3D12 debug validation layer.")
#endif
ComPtr<IDXGIFactory4> factory;
VRET( CreateDXGIFactory1( IID_PPV_ARGS( &factory ) ) );
if ( m_useWarpDevice )
{
ComPtr<IDXGIAdapter> warpAdapter;
VRET( factory->EnumWarpAdapter( IID_PPV_ARGS( &warpAdapter ) ) );
VRET( D3D12CreateDevice( warpAdapter.Get(), D3D_FEATURE_LEVEL_11_0, IID_PPV_ARGS( &m_device ) ) );
}
else
{
ComPtr<IDXGIAdapter1> hardwareAdapter;
GetHardwareAdapter( factory.Get(), &hardwareAdapter );
VRET( D3D12CreateDevice( hardwareAdapter.Get(), D3D_FEATURE_LEVEL_11_0, IID_PPV_ARGS( &m_device ) ) );
}
// [TODO]: Move to project independent framework
// Check Direct3D 12 feature hardware support (more usage refer Direct3D 12 sdk Capability Querying)
D3D12_FEATURE_DATA_D3D12_OPTIONS options;
m_device->CheckFeatureSupport( D3D12_FEATURE_D3D12_OPTIONS, &options, sizeof( options ) );
switch ( options.ResourceBindingTier )
{
case D3D12_RESOURCE_BINDING_TIER_1:
PRINTWARN( L"Tier 1 is supported." );
break;
case D3D12_RESOURCE_BINDING_TIER_2:
PRINTWARN( L"Tier 1 and 2 are supported." );
break;
case D3D12_RESOURCE_BINDING_TIER_3:
PRINTWARN( L"Tier 1, 2 and 3 are supported." );
break;
default:
break;
}
// Describe and create the graphics command queue.
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
VRET( m_device->CreateCommandQueue( &queueDesc, IID_PPV_ARGS( &m_graphicCmdQueue ) ) );
DXDebugName( m_graphicCmdQueue );
// Describe and create the compute command queue;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_COMPUTE;
VRET( m_device->CreateCommandQueue( &queueDesc, IID_PPV_ARGS( &m_computeCmdQueue ) ) );
DXDebugName( m_computeCmdQueue );
// Describe and create the swap chain.
DXGI_SWAP_CHAIN_DESC swapChainDesc = {};
swapChainDesc.BufferCount = FrameCount;
swapChainDesc.BufferDesc.Width = m_width;
swapChainDesc.BufferDesc.Height = m_height;
swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R16G16B16A16_FLOAT;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.OutputWindow = m_hwnd;
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.Windowed = TRUE;
ComPtr<IDXGISwapChain> swapChain;
// Swap chain needs the queue so that it can force a flush on it.
VRET( factory->CreateSwapChain( m_graphicCmdQueue.Get(), &swapChainDesc, &swapChain ) );
VRET( swapChain.As( &m_swapChain ) );
DXDebugName( m_swapChain );
// This sample does not support fullscreen transitions.
VRET( factory->MakeWindowAssociation( m_hwnd, DXGI_MWA_NO_ALT_ENTER ) );
m_frameIndex = m_swapChain->GetCurrentBackBufferIndex();
// Create descriptor heaps.
{
// Describe and create a render target view (RTV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC rtvHeapDesc = {};
rtvHeapDesc.NumDescriptors = FrameCount;
rtvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
rtvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
VRET( m_device->CreateDescriptorHeap( &rtvHeapDesc, IID_PPV_ARGS( &m_rtvHeap ) ) );
DXDebugName( m_rtvHeap );
m_rtvDescriptorSize = m_device->GetDescriptorHandleIncrementSize( D3D12_DESCRIPTOR_HEAP_TYPE_RTV );
// Describe and create a shader resource view (SRV) and constant buffer view (CBV) descriptor heap.
// Flags indicate that this descriptor heap can be bound to the pipeline
// and that descriptors contained in it can be reference by a root table
D3D12_DESCRIPTOR_HEAP_DESC cbvsrvuavHeapDesc = {};
cbvsrvuavHeapDesc.NumDescriptors = 3; // One for SRV two for CBV (gfx and compute)
cbvsrvuavHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
cbvsrvuavHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
VRET( m_device->CreateDescriptorHeap( &cbvsrvuavHeapDesc, IID_PPV_ARGS( &m_cbvsrvuavHeap ) ) );
DXDebugName( m_cbvsrvuavHeap );
m_cbvsrvuavDescriptorSize = m_device->GetDescriptorHandleIncrementSize( D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV );
// Describe and create a depth stencil view (DSV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC dsvHeapDesc = {};
dsvHeapDesc.NumDescriptors = 1;
dsvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_DSV;
dsvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
VRET( m_device->CreateDescriptorHeap( &dsvHeapDesc, IID_PPV_ARGS( &m_dsvHeap ) ) );
DXDebugName( m_dsvHeap );
}
VRET( m_device->CreateCommandAllocator( D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS( &m_graphicCmdAllocator ) ) );
DXDebugName( m_graphicCmdAllocator );
VRET( m_device->CreateCommandAllocator( D3D12_COMMAND_LIST_TYPE_COMPUTE, IID_PPV_ARGS( &m_computeCmdAllocator ) ) );
DXDebugName( m_computeCmdAllocator );
return S_OK;
}
// Load the rendering pipeline dependencies.
void D3D12PredicationQueries::LoadPipeline()
{
#ifdef _DEBUG
// Enable the D3D12 debug layer.
{
ComPtr<ID3D12Debug> debugController;
if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&debugController))))
{
debugController->EnableDebugLayer();
}
}
#endif
ComPtr<IDXGIFactory4> factory;
ThrowIfFailed(CreateDXGIFactory1(IID_PPV_ARGS(&factory)));
if (m_useWarpDevice)
{
ComPtr<IDXGIAdapter> warpAdapter;
ThrowIfFailed(factory->EnumWarpAdapter(IID_PPV_ARGS(&warpAdapter)));
ThrowIfFailed(D3D12CreateDevice(
warpAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
else
{
ComPtr<IDXGIAdapter1> hardwareAdapter;
GetHardwareAdapter(factory.Get(), &hardwareAdapter);
ThrowIfFailed(D3D12CreateDevice(
hardwareAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
// Describe and create the command queue.
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
ThrowIfFailed(m_device->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&m_commandQueue)));
// Describe and create the swap chain.
DXGI_SWAP_CHAIN_DESC swapChainDesc = {};
swapChainDesc.BufferCount = FrameCount;
swapChainDesc.BufferDesc.Width = m_width;
swapChainDesc.BufferDesc.Height = m_height;
swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.OutputWindow = m_hwnd;
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.Windowed = TRUE;
ComPtr<IDXGISwapChain> swapChain;
ThrowIfFailed(factory->CreateSwapChain(
m_commandQueue.Get(), // Swap chain needs the queue so that it can force a flush on it.
&swapChainDesc,
&swapChain
));
ThrowIfFailed(swapChain.As(&m_swapChain));
m_frameIndex = m_swapChain->GetCurrentBackBufferIndex();
// Create descriptor heaps.
{
// Describe and create a render target view (RTV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC rtvHeapDesc = {};
rtvHeapDesc.NumDescriptors = FrameCount;
rtvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
rtvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&rtvHeapDesc, IID_PPV_ARGS(&m_rtvHeap)));
// Describe and create a depth stencil view (DSV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC dsvHeapDesc = {};
dsvHeapDesc.NumDescriptors = 1;
dsvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_DSV;
dsvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&dsvHeapDesc, IID_PPV_ARGS(&m_dsvHeap)));
// Describe and create a constant buffer view (CBV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC cbvHeapDesc = {};
cbvHeapDesc.NumDescriptors = CbvCountPerFrame * FrameCount;
cbvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
cbvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&cbvHeapDesc, IID_PPV_ARGS(&m_cbvHeap)));
// Describe and create a heap for occlusion queries.
D3D12_QUERY_HEAP_DESC queryHeapDesc = {};
queryHeapDesc.Count = 1;
queryHeapDesc.Type = D3D12_QUERY_HEAP_TYPE_OCCLUSION;
ThrowIfFailed(m_device->CreateQueryHeap(&queryHeapDesc, IID_PPV_ARGS(&m_queryHeap)));
m_rtvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
m_cbvSrvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
}
// Create frame resources.
{
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeap->GetCPUDescriptorHandleForHeapStart());
// Create a RTV and a command allocator for each frame.
for (UINT n = 0; n < FrameCount; n++)
{
ThrowIfFailed(m_swapChain->GetBuffer(n, IID_PPV_ARGS(&m_renderTargets[n])));
m_device->CreateRenderTargetView(m_renderTargets[n].Get(), nullptr, rtvHandle);
rtvHandle.Offset(1, m_rtvDescriptorSize);
ThrowIfFailed(m_device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&m_commandAllocators[n])));
}
}
}
// Load the rendering pipeline dependencies.
void DX12ClothSimulation::LoadPipeline()
{
#ifdef _DEBUG
// Enable the D3D12 debug layer.
{
ComPtr<ID3D12Debug> debugController;
if ( SUCCEEDED( D3D12GetDebugInterface( IID_PPV_ARGS( &debugController ) ) ) )
{
debugController->EnableDebugLayer();
}
}
#endif
ComPtr<IDXGIFactory4> factory;
ThrowIfFailed( CreateDXGIFactory1( IID_PPV_ARGS( &factory ) ) );
if ( m_useWarpDevice )
{
ComPtr<IDXGIAdapter> warpAdapter;
ThrowIfFailed( factory->EnumWarpAdapter( IID_PPV_ARGS( &warpAdapter ) ) );
ThrowIfFailed( D3D12CreateDevice(
warpAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS( &m_device )
) );
}
else
{
ComPtr<IDXGIAdapter1> hardwareAdapter;
GetHardwareAdapter( factory.Get(), &hardwareAdapter );
ThrowIfFailed( D3D12CreateDevice(
hardwareAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS( &m_device )
) );
}
// Describe and create the command queue.
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
ThrowIfFailed( m_device->CreateCommandQueue( &queueDesc, IID_PPV_ARGS( &m_commandQueue ) ) );
// Describe and create the swap chain.
DXGI_SWAP_CHAIN_DESC swapChainDesc = {};
swapChainDesc.BufferCount = FrameCount;
swapChainDesc.BufferDesc.Width = m_width;
swapChainDesc.BufferDesc.Height = m_height;
swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.OutputWindow = m_hwnd;
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.Windowed = TRUE;
ComPtr<IDXGISwapChain> swapChain;
ThrowIfFailed( factory->CreateSwapChain(
m_commandQueue.Get(), // Swap chain needs the queue so that it can force a flush on it.
&swapChainDesc,
&swapChain
) );
ThrowIfFailed( swapChain.As( &m_swapChain ) );
m_frameIndex = m_swapChain->GetCurrentBackBufferIndex();
// Create descriptor heaps.
{
// Describe and create a render target view (RTV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC rtvHeapDesc = {};
rtvHeapDesc.NumDescriptors = FrameCount;
rtvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
rtvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed( m_device->CreateDescriptorHeap( &rtvHeapDesc, IID_PPV_ARGS( &m_rtvHeap ) ) );
m_rtvDescriptorSize = m_device->GetDescriptorHandleIncrementSize( D3D12_DESCRIPTOR_HEAP_TYPE_RTV );
}
// Create a command allocator for each frame.
for ( UINT n = 0; n < FrameCount; n++ )
{
ThrowIfFailed( m_device->CreateCommandAllocator( D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS( &m_commandAllocators[n] ) ) );
}
}