//--------------------------------------------------------------------------
void D3D12RenderWindow::Init(D3D12Renderer& kRenderer) noexcept
{
if ((!m_kNode.is_attach()) && m_spTargetWindow)
{
D3D12_COMMAND_QUEUE_DESC kQueueDesc = {};
kQueueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
kQueueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
VE_ASSERT_GE(kRenderer.m_pkDevice->CreateCommandQueue(&kQueueDesc, IID_PPV_ARGS(&m_pkCommandQueue)), S_OK);
DXGI_SWAP_CHAIN_DESC kSwapChainDesc = {};
kSwapChainDesc.BufferCount = D3D12Renderer::FRAME_COUNT;
kSwapChainDesc.BufferDesc.Width = m_spTargetWindow->GetWidth();
kSwapChainDesc.BufferDesc.Height = m_spTargetWindow->GetHeight();
kSwapChainDesc.BufferDesc.Format = DXGI_FORMAT_R10G10B10A2_UNORM;
kSwapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
kSwapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
kSwapChainDesc.OutputWindow = (HWND)(m_spTargetWindow->GetNativeHandle());
kSwapChainDesc.SampleDesc.Count = 1;
kSwapChainDesc.Windowed = TRUE;
IDXGISwapChain* pkSwapChain;
VE_ASSERT_GE(kRenderer.m_pkDXGIFactory->CreateSwapChain(m_pkCommandQueue, &kSwapChainDesc, &pkSwapChain), S_OK);
VE_ASSERT_GE(pkSwapChain->QueryInterface(IID_PPV_ARGS(&m_pkSwapChain)), S_OK);
VE_SAFE_RELEASE(pkSwapChain);
VE_ASSERT(m_pkCommandQueue && m_pkSwapChain);
for (uint32_t i(0); i < D3D12Renderer::FRAME_COUNT; ++i)
{
FrameCache& kFrame = m_akFrameCache[i];
VE_ASSERT_GE(m_pkSwapChain->GetBuffer(i, IID_PPV_ARGS(&kFrame.m_pkBufferResource)), S_OK);
kFrame.m_hHandle.ptr = kRenderer.m_kRTVHeap.GetCPUStart().ptr + kRenderer.m_kRTVHeap.Alloc();
kRenderer.m_pkDevice->CreateRenderTargetView(
kFrame.m_pkBufferResource, nullptr, kFrame.m_hHandle);
VE_ASSERT_GE(kRenderer.m_pkDevice->CreateCommandAllocator(
D3D12_COMMAND_LIST_TYPE_DIRECT,
IID_PPV_ARGS(&kFrame.m_pkDirectAllocator)), S_OK);
VE_ASSERT_GE(kRenderer.m_pkDevice->CreateCommandAllocator(
D3D12_COMMAND_LIST_TYPE_BUNDLE,
IID_PPV_ARGS(&kFrame.m_pkBundleAllocator)), S_OK);
kFrame.m_u64FenceValue = 0;
VE_ASSERT_GE(kRenderer.m_pkDevice->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT,
kFrame.m_pkDirectAllocator, nullptr, IID_PPV_ARGS(&kFrame.m_pkTestList)), S_OK);
VE_ASSERT_GE(kFrame.m_pkTestList->Close(), S_OK);
}
m_u64FenceValue = 0;
VE_ASSERT_GE(kRenderer.m_pkDevice->CreateFence(m_u64FenceValue++,
D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(&m_pkFence)), S_OK);
m_kFenceEvent = CreateEventEx(nullptr, FALSE, FALSE, EVENT_ALL_ACCESS);
VE_ASSERT(m_kFenceEvent);
const uint64_t u64FenceToWaitFor = m_u64FenceValue++;
VE_ASSERT_GE(m_pkCommandQueue->Signal(m_pkFence, u64FenceToWaitFor), S_OK);
VE_ASSERT_GE(m_pkFence->SetEventOnCompletion(u64FenceToWaitFor, m_kFenceEvent), S_OK);
WaitForSingleObject(m_kFenceEvent, INFINITE);
m_u32FramePtr = m_pkSwapChain->GetCurrentBackBufferIndex();
m_u64FrameIndex = 0;
m_spTargetWindow->Show();
kRenderer.m_kRenderWindowList.attach_back(m_kNode);
}
}
std::shared_ptr<IDXGISwapChain3> CreateSwapChain( ID3D12Device * device, ID3D12CommandQueue * commandQueue, const HWND* hWnd, DXGI_SWAP_CHAIN_DESC* swapChainDesc)
{
IDXGISwapChain* swapChain;
IDXGISwapChain3* swapChain3;
DXGI_SWAP_CHAIN_DESC defaultDesc = {};
if (!swapChainDesc)
{
defaultDesc.BufferCount = 2;
defaultDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
defaultDesc.BufferDesc.Width = 1200;
defaultDesc.BufferDesc.Height = 900;
defaultDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
defaultDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
defaultDesc.OutputWindow = *hWnd;
defaultDesc.SampleDesc.Count = 1;
defaultDesc.Windowed = TRUE;
swapChainDesc = &defaultDesc;
}
DirectX::ThrowIfFailed(CreateFactory()->CreateSwapChain(
commandQueue,
swapChainDesc,
&swapChain
));
swapChain->QueryInterface(IID_PPV_ARGS(&swapChain3));
swapChain->Release();
return std::shared_ptr<IDXGISwapChain3>(swapChain3, ReleaseIUnknown);
}
void SwapChain::Initialize(HWND outputWindow)
{
Shutdown();
// We'll just use the first output for fullscreen
DX12::Adapter->EnumOutputs(0, &output);
if(format == DXGI_FORMAT_R8G8B8A8_UNORM_SRGB)
noSRGBFormat = DXGI_FORMAT_R8G8B8A8_UNORM;
else if(format == DXGI_FORMAT_B8G8R8A8_UNORM_SRGB)
noSRGBFormat = DXGI_FORMAT_B8G8R8A8_UNORM;
else
noSRGBFormat = format;
DXGI_SWAP_CHAIN_DESC swapChainDesc = {};
swapChainDesc.BufferCount = uint32(NumBackBuffers);
swapChainDesc.BufferDesc.Width = width;
swapChainDesc.BufferDesc.Height = height;
swapChainDesc.BufferDesc.Format = noSRGBFormat;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.OutputWindow = outputWindow;
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.Windowed = TRUE;
swapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG_ALLOW_MODE_SWITCH |
DXGI_SWAP_CHAIN_FLAG_ALLOW_TEARING |
DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT;
IDXGISwapChain* tempSwapChain = nullptr;
DXCall(DX12::Factory->CreateSwapChain(DX12::GfxQueue, &swapChainDesc, &tempSwapChain));
DXCall(tempSwapChain->QueryInterface(IID_PPV_ARGS(&swapChain)));
DX12::Release(tempSwapChain);
backBufferIdx = swapChain->GetCurrentBackBufferIndex();
waitableObject = swapChain->GetFrameLatencyWaitableObject();
AfterReset();
}
HRESULT STDMETHODCALLTYPE CDXGISwapChainDWM::QueryInterface(REFIID riid, void **ppvObj)
{
return m_pSwapChain->QueryInterface(riid, ppvObj);
}
HRESULT DXManager::CreateSwapChain()
{
HRESULT hr = S_FALSE;
DXGI_SWAP_CHAIN_DESC swapChainDesc;
ZeroMemory(&swapChainDesc, sizeof(swapChainDesc));
// Set the swap chain to use double buffering.
swapChainDesc.BufferCount = 2;
// Set the height and width of the back buffers in the swap chain.
swapChainDesc.BufferDesc.Height = m_WindowHeight;
swapChainDesc.BufferDesc.Width = m_WindowWidth;
// Set a regular 32-bit surface for the back buffers.
swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
// Set the usage of the back buffers to be render target outputs.
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
// Set the swap effect to discard the previous buffer contents after swapping.
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
// Set the handle for the window to render to.
swapChainDesc.OutputWindow = m_hWnd;
// Set to full screen or windowed mode.
if (m_FullScreen)
swapChainDesc.Windowed = false;
else
swapChainDesc.Windowed = true;
// Set the refresh rate of the back buffer.
if (m_VSYNC)
{
swapChainDesc.BufferDesc.RefreshRate.Numerator = m_Numerator;
swapChainDesc.BufferDesc.RefreshRate.Denominator = m_Denominator;
}
else
{
swapChainDesc.BufferDesc.RefreshRate.Numerator = 0;
swapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
}
// Turn multisampling off.
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.SampleDesc.Quality = 0;
// Set the scan line ordering and scaling to unspecified.
swapChainDesc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
swapChainDesc.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
// Don't set the advanced flags.
swapChainDesc.Flags = 0;
IDXGISwapChain* swapChain;
ZeroMemory(&swapChain, sizeof(IDXGISwapChain));
hr = m_Factory->CreateSwapChain(m_CommandQueue, &swapChainDesc, &swapChain);
if (FAILED(hr))
return hr;
hr = swapChain->QueryInterface(__uuidof(IDXGISwapChain3), (void**)&m_SwapChain);
if (FAILED(hr))
return hr;
D3D12_DESCRIPTOR_HEAP_DESC renderTargetViewHeapDesc;
ZeroMemory(&renderTargetViewHeapDesc, sizeof(D3D12_DESCRIPTOR_HEAP_DESC));
renderTargetViewHeapDesc.NumDescriptors = 2;
renderTargetViewHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
renderTargetViewHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
hr = m_Device->CreateDescriptorHeap(&renderTargetViewHeapDesc, __uuidof(ID3D12DescriptorHeap), (void**)&m_RenderTargetViewHeap);
if (FAILED(hr))
return hr;
D3D12_CPU_DESCRIPTOR_HANDLE renderTargetViewHandle;
ZeroMemory(&renderTargetViewHandle, sizeof(D3D12_CPU_DESCRIPTOR_HANDLE));
renderTargetViewHandle = m_RenderTargetViewHeap->GetCPUDescriptorHandleForHeapStart();
unsigned int renderTargetViewDescriptorSize = 0;
renderTargetViewDescriptorSize = m_Device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
hr = m_SwapChain->GetBuffer(0, __uuidof(ID3D12Resource), (void**)&m_BackBufferRenderTarget[0]);
if (FAILED(hr))
return hr;
m_Device->CreateRenderTargetView(m_BackBufferRenderTarget[0], NULL, renderTargetViewHandle);
renderTargetViewHandle.ptr += renderTargetViewDescriptorSize;
hr = m_SwapChain->GetBuffer(1, __uuidof(ID3D12Resource), (void**)&m_BackBufferRenderTarget[1]);
if (FAILED(hr))
return hr;
m_Device->CreateRenderTargetView(m_BackBufferRenderTarget[1], NULL, renderTargetViewHandle);
m_BufferIndex = m_SwapChain->GetCurrentBackBufferIndex();
swapChain->Release();
return hr;
}
void GraphicsDevice::Init(u32 screenWidth, u32 screenHeight)
{
#define GRAPHICSINIT_ON_FAILED(failCondition, errorMessage, ...) \
do { \
if(failCondition) \
{ \
Assertf(false, errorMessage, __VA_ARGS__); \
return; \
} \
} while(0)
HRESULT hr;
#if RECON_DEBUG
ID3D12Debug* debugInterface;
hr = D3D12GetDebugInterface(__uuidof(ID3D12Debug), (void**)&debugInterface);
if(Verifyf(SUCCEEDED(hr), "Failed To Create Graphics Debug Interface! Error Code: '%d'", hr))
{
debugInterface->EnableDebugLayer();
}
#endif // RECON_DEBUG
hr = D3D12CreateDevice(nullptr, D3D_FEATURE_LEVEL_11_0, __uuidof(ID3D12Device), (void**)&m_pDevice);
GRAPHICSINIT_ON_FAILED(FAILED(hr), "Failed To Create D3D12 Device! Error Code: '%d'", hr);
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
hr = m_pDevice->CreateCommandQueue(&queueDesc, __uuidof(ID3D12CommandQueue), (void**)&m_pCommandQueue);
GRAPHICSINIT_ON_FAILED(FAILED(hr), "Failed To Create D3D12 Command Queue! Error Code: '%d'", hr);
// NOTE: rasterTek does a bunch of extra stuff here before creating the swap chain
// to potentially help performance? But the Directx 12 Samples don't do this.
// may want to investigate in the future
IDXGIFactory4* pFactory = nullptr;
hr = CreateDXGIFactory1(__uuidof(IDXGIFactory4), (void**)&pFactory);
GRAPHICSINIT_ON_FAILED(FAILED(hr), "Failed To Create DXGI Factory! Error Code: '%d'", hr);
HWND hWnd = ((AppWindow_Windows*)AppEntryPoint::GetWindow())->GetWindowHandle();
DXGI_SWAP_CHAIN_DESC swapChainDesc = {};
swapChainDesc.BufferCount = ms_FrameCount;
swapChainDesc.BufferDesc.Width = screenWidth;
swapChainDesc.BufferDesc.Height = screenHeight;
swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.OutputWindow = hWnd;
swapChainDesc.Windowed = TRUE;
// Multisampling
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.SampleDesc.Quality = 0;
// Flags
swapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT;
IDXGISwapChain* pSwapChain = nullptr;
hr = pFactory->CreateSwapChain(m_pCommandQueue, &swapChainDesc, &pSwapChain);
GRAPHICSINIT_ON_FAILED(FAILED(hr), "Failed To Create Swap Chain! Error Code: '%d'", hr);
hr = pSwapChain->QueryInterface(__uuidof(IDXGISwapChain3), (void**)&m_pSwapChain);
GRAPHICSINIT_ON_FAILED(FAILED(hr), "Failed To Create Swap Chain 3! Error Code: '%d'", hr);
// We're done with the factory
pFactory->Release();
pFactory = nullptr;
m_FrameIndex = m_pSwapChain->GetCurrentBackBufferIndex();
D3D12_DESCRIPTOR_HEAP_DESC rtvHeapDesc = {};
rtvHeapDesc.NumDescriptors = ms_FrameCount;
rtvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
rtvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
hr = m_pDevice->CreateDescriptorHeap(&rtvHeapDesc, __uuidof(ID3D12DescriptorHeap), (void**)&m_pRTVHeap);
GRAPHICSINIT_ON_FAILED(FAILED(hr), "Failed To Create RTV Descriptor Heap! Error Code: '%d'", hr);
D3D12_CPU_DESCRIPTOR_HANDLE rtvHandle = m_pRTVHeap->GetCPUDescriptorHandleForHeapStart();
u32 rtvHeapIncSize = m_pDevice->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
for(int i = 0; i < ms_FrameCount; ++i)
{
hr = m_pSwapChain->GetBuffer(i, __uuidof(ID3D12Resource), (void**)&m_pRenderTargets[i]);
GRAPHICSINIT_ON_FAILED(FAILED(hr), "Failed To Get RTV (%d) From Swap Chain! Error Code: '%d'", i, hr);
m_pDevice->CreateRenderTargetView(m_pRenderTargets[i], nullptr, rtvHandle);
rtvHandle.ptr += rtvHeapIncSize;
hr = m_pDevice->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, __uuidof(ID3D12CommandAllocator), (void**)&m_pCommandAllocators[i]);
GRAPHICSINIT_ON_FAILED(FAILED(hr), "Failed To Create GPU Command Allocator! Error Code: '%d'", i, hr);
}
// Will want to move this to another class once multithreaded rendering is supported
hr = m_pDevice->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, m_pCommandAllocators[0], nullptr, __uuidof(ID3D12GraphicsCommandList), (void**)&m_pGraphicsCommandList);
GRAPHICSINIT_ON_FAILED(FAILED(hr), "Failed To Create GPU Command Allocator! Error Code: '%d'", hr);
hr = m_pGraphicsCommandList->Close();
GRAPHICSINIT_ON_FAILED(FAILED(hr), "Failed To Close Graphics Command List! Error Code: '%d'", hr);
hr = m_pDevice->CreateFence(0, D3D12_FENCE_FLAG_NONE, __uuidof(ID3D12Fence), (void**)&m_pRenderFence);
GRAPHICSINIT_ON_FAILED(FAILED(hr), "Failed To Create Render Fence! Error Code: '%d'", hr);
m_pRenderFenceEvent = CreateEvent(nullptr, false, false, nullptr);
GRAPHICSINIT_ON_FAILED(m_pRenderFenceEvent == nullptr, "Failed To Create Render Fence Event! Error Code: '%d'", GetLastError());
#undef GRAPHICSINIT_ON_FAILED
}
bool D3DClass::Initialize(int screenHeight, int screenWidth, HWND hwnd, bool vsync, bool fullscreen)
{
D3D_FEATURE_LEVEL featureLevel;
HRESULT result;
D3D12_COMMAND_QUEUE_DESC commandQueueDesc;
IDXGIFactory4* factory;
IDXGIAdapter* adapter;
IDXGIOutput* adapterOutput;
unsigned int numModes, i, numerator, denominator, renderTargetViewDescriptorSize;
unsigned long long stringLength;
DXGI_MODE_DESC* displayModeList;
DXGI_ADAPTER_DESC adapterDesc;
DXGI_SWAP_CHAIN_DESC swapChainDesc;
IDXGISwapChain* swapChain;
D3D12_DESCRIPTOR_HEAP_DESC renderTargetViewHeapDesc;
D3D12_CPU_DESCRIPTOR_HANDLE renderTargetViewHandle;
// Store the vsync setting.
m_vsync_enabled = vsync;
// Set the feature level to DirectX 12.1 to enable using all the DirectX 12 features.
// Note: Not all cards support full DirectX 12, this feature level may need to be reduced on some cards to 12.0.
featureLevel = D3D_FEATURE_LEVEL_11_0;
// Create the Direct3D 12 device.
result = D3D12CreateDevice(NULL, featureLevel, __uuidof(ID3D12Device), (void**)&m_device);
if (FAILED(result))
{
MessageBox(hwnd, L"Could not create a DirectX 12.1 device. The default video card does not support DirectX 12.1.", L"DirectX Device Failure", MB_OK);
return false;
}
// Initialize the description of the command queue.
ZeroMemory(&commandQueueDesc, sizeof(commandQueueDesc));
// Set up the description of the command queue.
commandQueueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
commandQueueDesc.Priority = D3D12_COMMAND_QUEUE_PRIORITY_NORMAL;
commandQueueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
commandQueueDesc.NodeMask = 0;
// Create the command queue.
m_device->CreateCommandQueue(&commandQueueDesc, __uuidof(ID3D12CommandQueue), (void**)&m_commandQueue);
// Create a DirectX graphics interface factory.
CreateDXGIFactory1(__uuidof(IDXGIFactory4), (void**)&factory);
// Use the factory to create an adapter for the primary graphics interface (video card).
factory->EnumAdapters(0, &adapter);
// Enumerate the primary adapter output (monitor).
adapter->EnumOutputs(0, &adapterOutput);
// Get the number of modes that fit the DXGI_FORMAT_R8G8B8A8_UNORM display format for the adapter output (monitor).
adapterOutput->GetDisplayModeList(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_ENUM_MODES_INTERLACED, &numModes, NULL);
// Create a list to hold all the possible display modes for this monitor/video card combination.
displayModeList = new DXGI_MODE_DESC[numModes];
// Now fill the display mode list structures.
adapterOutput->GetDisplayModeList(DXGI_FORMAT_R8G8B8A8_UNORM, DXGI_ENUM_MODES_INTERLACED, &numModes, displayModeList);
// Now go through all the display modes and find the one that matches the screen height and width.
// When a match is found store the numerator and denominator of the refresh rate for that monitor.
for (i = 0; i<numModes; i++)
{
if (displayModeList[i].Height == (unsigned int)screenHeight)
{
if (displayModeList[i].Width == (unsigned int)screenWidth)
{
numerator = displayModeList[i].RefreshRate.Numerator;
denominator = displayModeList[i].RefreshRate.Denominator;
}
}
}
// Get the adapter (video card) description.
adapter->GetDesc(&adapterDesc);
// Store the dedicated video card memory in megabytes.
m_videoCardMemory = (int)(adapterDesc.DedicatedVideoMemory / 1024 / 1024);
// Convert the name of the video card to a character array and store it.
wcstombs_s(&stringLength, m_videoCardDescription, 128, adapterDesc.Description, 128);
// Release the display mode list.
delete[] displayModeList;
displayModeList = nullptr;
// Release the adapter output.
adapterOutput->Release();
adapterOutput = nullptr;
// Release the adapter.
adapter->Release();
adapter = nullptr;
// Initialize the swap chain description.
ZeroMemory(&swapChainDesc, sizeof(swapChainDesc));
// Set the swap chain to use double buffering.
swapChainDesc.BufferCount = 2;
// Set the height and width of the back buffers in the swap chain.
swapChainDesc.BufferDesc.Height = screenHeight;
swapChainDesc.BufferDesc.Width = screenWidth;
// Set a regular 32-bit surface for the back buffers.
swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
// Set the usage of the back buffers to be render target outputs.
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
// Set the swap effect to discard the previous buffer contents after swapping.
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
// Set the handle for the window to render to.
swapChainDesc.OutputWindow = hwnd;
// Set to full screen or windowed mode.
swapChainDesc.Windowed = !fullscreen;
// Set the refresh rate of the back buffer.
if (m_vsync_enabled)
{
swapChainDesc.BufferDesc.RefreshRate.Numerator = numerator;
swapChainDesc.BufferDesc.RefreshRate.Denominator = denominator;
}
else
{
swapChainDesc.BufferDesc.RefreshRate.Numerator = 0;
swapChainDesc.BufferDesc.RefreshRate.Denominator = 1;
}
// Turn multisampling off.
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.SampleDesc.Quality = 0;
// Set the scan line ordering and scaling to unspecified.
swapChainDesc.BufferDesc.ScanlineOrdering = DXGI_MODE_SCANLINE_ORDER_UNSPECIFIED;
swapChainDesc.BufferDesc.Scaling = DXGI_MODE_SCALING_UNSPECIFIED;
// Don't set the advanced flags.
swapChainDesc.Flags = 0;
// Finally create the swap chain using the swap chain description.
factory->CreateSwapChain(m_commandQueue, &swapChainDesc, &swapChain);
// Next upgrade the IDXGISwapChain to a IDXGISwapChain3 interface and store it in a private member variable named m_swapChain.
// This will allow us to use the newer functionality such as getting the current back buffer index.
swapChain->QueryInterface(__uuidof(IDXGISwapChain3), (void**)&m_swapChain);
// Clear pointer to original swap chain interface since we are using version 3 instead (m_swapChain).
swapChain = nullptr;
// Release the factory now that the swap chain has been created.
factory->Release();
factory = nullptr;
// Initialize the render target view heap description for the two back buffers.
ZeroMemory(&renderTargetViewHeapDesc, sizeof(renderTargetViewHeapDesc));
// Set the number of descriptors to two for our two back buffers. Also set the heap tyupe to render target views.
renderTargetViewHeapDesc.NumDescriptors = 2;
renderTargetViewHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
renderTargetViewHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
// Create the render target view heap for the back buffers.
m_device->CreateDescriptorHeap(&renderTargetViewHeapDesc, __uuidof(ID3D12DescriptorHeap), (void**)&m_renderTargetViewHeap);
// Get a handle to the starting memory location in the render target view heap to identify where the render target views will be located for the two back buffers.
renderTargetViewHandle = m_renderTargetViewHeap->GetCPUDescriptorHandleForHeapStart();
// Get the size of the memory location for the render target view descriptors.
renderTargetViewDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
// Get a pointer to the first back buffer from the swap chain.
m_swapChain->GetBuffer(0, __uuidof(ID3D12Resource), (void**)&m_backBufferRenderTarget[0]);
// Create a render target view for the first back buffer.
m_device->CreateRenderTargetView(m_backBufferRenderTarget[0], NULL, renderTargetViewHandle);
// Increment the view handle to the next descriptor location in the render target view heap.
renderTargetViewHandle.ptr += renderTargetViewDescriptorSize;
// Get a pointer to the second back buffer from the swap chain.
m_swapChain->GetBuffer(1, __uuidof(ID3D12Resource), (void**)&m_backBufferRenderTarget[1]);
// Create a render target view for the second back buffer.
m_device->CreateRenderTargetView(m_backBufferRenderTarget[1], NULL, renderTargetViewHandle);
// Finally get the initial index to which buffer is the current back buffer.
m_bufferIndex = m_swapChain->GetCurrentBackBufferIndex();
// Create a command allocator.
m_device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, __uuidof(ID3D12CommandAllocator), (void**)&m_commandAllocator);
// Create a fence for GPU synchronization.
m_device->CreateFence(0, D3D12_FENCE_FLAG_NONE, __uuidof(ID3D12Fence), (void**)&m_fence);
// Create an event object for the fence.
m_fenceEvent = CreateEvent(nullptr, false, false, nullptr);
// Initialize the starting fence value.
m_fenceValue = 1;
CD3DX12_ROOT_SIGNATURE_DESC rootSignatureDesc;
rootSignatureDesc.Init(0, nullptr, 0, nullptr, D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT);
ID3DBlob* signature;
ID3DBlob* error;
D3D12SerializeRootSignature(
&rootSignatureDesc,
D3D_ROOT_SIGNATURE_VERSION_1,
&signature,
&error);
m_device->CreateRootSignature(
0,
signature->GetBufferPointer(),
signature->GetBufferSize(),
IID_PPV_ARGS(&m_rootSignature));
//Create pipeline state, load and compiler shaders.
//Note here to change D3DCOMPILE_DEBUG | D3DCOMPILE_SKIP_OPTIMIZATION for debug
UINT compileFlags = D3DCOMPILE_DEBUG | D3DCOMPILE_SKIP_OPTIMIZATION;
D3DReadFileToBlob(L"DefaultVS.cso", &m_vertexShader);
D3DReadFileToBlob(L"DefaultHS.cso", &m_hullShader);
D3DReadFileToBlob(L"DefaultDS.cso", &m_domainShader);
D3DReadFileToBlob(L"DefaultPS.cso", &m_pixelShader);
std::array<D3D12_INPUT_ELEMENT_DESC, 2> inputElementDescs =
{
D3D12_INPUT_ELEMENT_DESC{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
D3D12_INPUT_ELEMENT_DESC{ "COLOR", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 12, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 }
};
D3D12_GRAPHICS_PIPELINE_STATE_DESC pipelineDesc = {};
pipelineDesc.InputLayout = { inputElementDescs.data() , (UINT)inputElementDescs.size() };
pipelineDesc.pRootSignature = m_rootSignature;
pipelineDesc.VS = { m_vertexShader->GetBufferPointer(), m_vertexShader->GetBufferSize() };
pipelineDesc.PS = { m_pixelShader->GetBufferPointer(), m_pixelShader->GetBufferSize() };
pipelineDesc.HS = { m_hullShader->GetBufferPointer(), m_hullShader->GetBufferSize() };
pipelineDesc.DS = { m_domainShader->GetBufferPointer(), m_domainShader->GetBufferSize() };
pipelineDesc.RasterizerState = CD3DX12_RASTERIZER_DESC(D3D12_DEFAULT_WIREFRAME);
pipelineDesc.BlendState = CD3DX12_BLEND_DESC(D3D12_DEFAULT);
pipelineDesc.DepthStencilState.DepthEnable = false;
pipelineDesc.DepthStencilState.StencilEnable = false;
pipelineDesc.SampleMask = UINT_MAX;
pipelineDesc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_PATCH;
pipelineDesc.NumRenderTargets = 1;
pipelineDesc.RTVFormats[0] = DXGI_FORMAT_B8G8R8A8_UNORM;
pipelineDesc.SampleDesc.Count = 1;
m_device->CreateGraphicsPipelineState(&pipelineDesc, IID_PPV_ARGS(&m_pipelineState));
// Create a basic command list.
m_device->CreateCommandList(
0,
D3D12_COMMAND_LIST_TYPE_DIRECT,
m_commandAllocator,
m_pipelineState,
IID_PPV_ARGS(&m_commandList));
// Initially we need to close the command list during initialization as it is created in a recording state.
m_commandList->Close();
Vertex triangleVertices[] =
{
{ { 0.0f, 0.5f, 0.f }, { 1.f, 0.f, 0.f, 1.f } },
{ { 0.5f, -0.5f, 0.f },{ 0.f, 1.f, 0.f, 1.f } },
{ { -0.5f, -0.5f, 0.f },{ 0.f, 0.f, 1.f, 1.f } },
};
const UINT vertexBufferSize = sizeof(triangleVertices);
m_device->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer(vertexBufferSize),
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(&m_vertexBuffer));
UINT8* pVertexDataBegin;
CD3DX12_RANGE readRange(0, 0);
m_vertexBuffer->Map(0, &readRange, reinterpret_cast<void**>(&pVertexDataBegin));
memcpy(pVertexDataBegin, triangleVertices, vertexBufferSize);
m_vertexBuffer->Unmap(0, nullptr);
m_vertexBufferView.BufferLocation = m_vertexBuffer->GetGPUVirtualAddress();
m_vertexBufferView.StrideInBytes = sizeof(Vertex);
m_vertexBufferView.SizeInBytes = vertexBufferSize;
m_viewport.Height = screenHeight;
m_viewport.Width = screenWidth;
m_viewport.MaxDepth = 1000.f;
m_viewport.MinDepth = 0.1f;
m_viewport.TopLeftX = 0.f;
m_viewport.TopLeftY = 0.f;
m_scissorRect.left = 0;
m_scissorRect.right = screenWidth;
m_scissorRect.top = 0;
m_scissorRect.bottom = screenHeight;
unsigned long long fenceToWaitFor = m_fenceValue;
m_commandQueue->Signal(m_fence, fenceToWaitFor);
m_fenceValue++;
// Wait until the GPU is done rendering.
if (m_fence->GetCompletedValue() < fenceToWaitFor)
{
m_fence->SetEventOnCompletion(fenceToWaitFor, m_fenceEvent);
WaitForSingleObject(m_fenceEvent, INFINITE);
}
return true;
}
//--------------------------------------------------------------------------
void VeRenderWindowD3D12::Init(VeRendererD3D12& kRenderer) noexcept
{
if ((!m_kNode.is_attach()) && m_spTargetWindow)
{
D3D12_COMMAND_QUEUE_DESC kQueueDesc = {};
kQueueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
kQueueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
if (FAILED(kRenderer.m_pkDevice->CreateCommandQueue(&kQueueDesc,
IID_PPV_ARGS(&m_pkCommandQueue))))
{
VE_SAFE_RELEASE(m_pkCommandQueue);
VE_SAFE_RELEASE(m_pkSwapChain);
return;
}
DXGI_SWAP_CHAIN_DESC kSwapChainDesc = {};
kSwapChainDesc.BufferCount = VeRendererD3D12::FRAME_COUNT;
kSwapChainDesc.BufferDesc.Width = m_spTargetWindow->GetWidth();
kSwapChainDesc.BufferDesc.Height = m_spTargetWindow->GetHeight();
kSwapChainDesc.BufferDesc.Format = DXGI_FORMAT_R10G10B10A2_UNORM;
kSwapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
kSwapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
kSwapChainDesc.OutputWindow = m_spTargetWindow->GetWMInfo().win.window;
kSwapChainDesc.SampleDesc.Count = 1;
kSwapChainDesc.Windowed = TRUE;
IDXGISwapChain* pkSwapChain;
if (FAILED(kRenderer.m_pkDXGIFactory->CreateSwapChain(m_pkCommandQueue,
&kSwapChainDesc, &pkSwapChain)))
{
VE_SAFE_RELEASE(m_pkCommandQueue);
VE_SAFE_RELEASE(pkSwapChain);
return;
}
if (FAILED(pkSwapChain->QueryInterface(IID_PPV_ARGS(&m_pkSwapChain))))
{
VE_SAFE_RELEASE(m_pkCommandQueue);
VE_SAFE_RELEASE(pkSwapChain);
VE_SAFE_RELEASE(m_pkSwapChain);
return;
}
else
{
VE_SAFE_RELEASE(pkSwapChain);
}
VE_ASSERT(m_pkCommandQueue && m_pkSwapChain);
for (VeInt32 i(0); i < VeRendererD3D12::FRAME_COUNT; ++i)
{
FrameCache& kFrame = m_akFrameCache[i];
VE_ASSERT_GE(m_pkSwapChain->GetBuffer(i, IID_PPV_ARGS(&kFrame.m_pkBufferResource)), S_OK);
kFrame.m_hHandle.ptr = kRenderer.m_kRTVHeap.GetCPUStart().ptr + kRenderer.m_kRTVHeap.Alloc();
kRenderer.m_pkDevice->CreateRenderTargetView(
kFrame.m_pkBufferResource, nullptr, kFrame.m_hHandle);
VE_ASSERT_GE(kRenderer.m_pkDevice->CreateCommandAllocator(
D3D12_COMMAND_LIST_TYPE_DIRECT,
IID_PPV_ARGS(&kFrame.m_pkDirectAllocator)), S_OK);
VE_ASSERT_GE(kRenderer.m_pkDevice->CreateCommandAllocator(
D3D12_COMMAND_LIST_TYPE_BUNDLE,
IID_PPV_ARGS(&kFrame.m_pkBundleAllocator)), S_OK);
kFrame.m_u64FenceValue = 0;
}
m_u64FenceValue = 0;
VE_ASSERT_GE(kRenderer.m_pkDevice->CreateFence(m_u64FenceValue++,
D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(&m_pkFence)), S_OK);
m_kFenceEvent = CreateEventEx(nullptr, FALSE, FALSE, EVENT_ALL_ACCESS);
VE_ASSERT(m_kFenceEvent);
const VeUInt64 u64FenceToWaitFor = m_u64FenceValue++;
VE_ASSERT_GE(m_pkCommandQueue->Signal(m_pkFence, u64FenceToWaitFor), S_OK);
VE_ASSERT_GE(m_pkFence->SetEventOnCompletion(u64FenceToWaitFor, m_kFenceEvent), S_OK);
WaitForSingleObject(m_kFenceEvent, INFINITE);
m_u32FrameIndex = m_pkSwapChain->GetCurrentBackBufferIndex();
kRenderer.m_kRenderWindowList.attach_back(m_kNode);
}
m_kViewport.TopLeftX = 0;
m_kViewport.TopLeftY = 0;
m_kViewport.Width = m_spTargetWindow->GetWidth();
m_kViewport.Height = m_spTargetWindow->GetHeight();
m_kViewport.MinDepth = 0.0f;
m_kViewport.MaxDepth = 1.0f;
m_kScissorRect.left = 0;
m_kScissorRect.right = m_spTargetWindow->GetWidth();
m_kScissorRect.top = 0;
m_kScissorRect.bottom = m_spTargetWindow->GetHeight();
{
m_vertexBufferView.BufferLocation = kRenderer.m_kRenderBufferList.get_tail_node()->m_Content->m_pkResource->GetGPUVirtualAddress();
m_vertexBufferView.StrideInBytes = sizeof(VE_FLOAT3);
m_vertexBufferView.SizeInBytes = kRenderer.m_kRenderBufferList.get_head_node()->m_Content->GetSize();
}
}
