void Window::initializeD3D()
{
f = createFence();
ID3D12Device *dev = device();
if (FAILED(dev->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, commandAllocator(), Q_NULLPTR, IID_PPV_ARGS(&commandList)))) {
qWarning("Failed to create command list");
return;
}
commandList->Close();
}
/// Overriden in derived class to initialize the graphics required for a render loop. The render loop acts as a message pump to the user clients.
/// \return True if success, false if failure
bool DX12Player::InitializeGraphics()
{
ID3D12Device* graphicsDevice = nullptr;
UINT frameCount = 2;
// Initialize all pipeline components necessary to render a frame.
/// Invoking these calls will allow the DXGI/DX12Server plugins to be injected into our player application.
// @TODO: In the future, the following commands will invoked by loaded a capture file,
// initializing, and executing all captured calls. Spinning on the target frame will beat
// the DX12Server's message loop, allowing communicate with GPUPerfServer.
IDXGIFactory4* factory = nullptr;
ThrowIfFailed(CreateDXGIFactory1(IID_PPV_ARGS(&factory)));
ThrowIfFailed(D3D12CreateDevice(nullptr, D3D_FEATURE_LEVEL_11_0, IID_PPV_ARGS(&graphicsDevice)));
// 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;
ID3D12CommandQueue* commandQueue = nullptr;
ThrowIfFailed(graphicsDevice->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&commandQueue)));
// Describe and create the swap chain.
DXGI_SWAP_CHAIN_DESC swapChainDesc = {};
swapChainDesc.BufferCount = frameCount;
swapChainDesc.BufferDesc.Width = m_pPlayerWindow->GetWindowWidth();
swapChainDesc.BufferDesc.Height = m_pPlayerWindow->GetWindowHeight();
swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
// The window handle must be set before being used here.
swapChainDesc.OutputWindow = m_pPlayerWindow->GetWindowHandle();
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.Windowed = TRUE;
HRESULT res = factory->CreateSwapChain(commandQueue, &swapChainDesc, (IDXGISwapChain**)&m_swapchain);
ThrowIfFailed(res);
if (res != S_OK)
{
return false;
}
else
{
return true;
}
}
ID3D12Resource* RenderAPI_D3D12::GetUploadResource(UINT64 size)
{
if (s_D3D12Upload)
{
D3D12_RESOURCE_DESC desc = s_D3D12Upload->GetDesc();
if (desc.Width == size)
return s_D3D12Upload;
else
s_D3D12Upload->Release();
}
// Texture upload buffer
D3D12_HEAP_PROPERTIES heapProps = {};
heapProps.Type = D3D12_HEAP_TYPE_UPLOAD;
heapProps.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
heapProps.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
heapProps.CreationNodeMask = kNodeMask;
heapProps.VisibleNodeMask = kNodeMask;
D3D12_RESOURCE_DESC heapDesc = {};
heapDesc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
heapDesc.Alignment = 0;
heapDesc.Width = size;
heapDesc.Height = 1;
heapDesc.DepthOrArraySize = 1;
heapDesc.MipLevels = 1;
heapDesc.Format = DXGI_FORMAT_UNKNOWN;
heapDesc.SampleDesc.Count = 1;
heapDesc.SampleDesc.Quality = 0;
heapDesc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
heapDesc.Flags = D3D12_RESOURCE_FLAG_NONE;
ID3D12Device* device = s_D3D12->GetDevice();
HRESULT hr = device->CreateCommittedResource(
&heapProps,
D3D12_HEAP_FLAG_NONE,
&heapDesc,
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(&s_D3D12Upload));
if (FAILED(hr))
{
OutputDebugStringA("Failed to CreateCommittedResource.\n");
}
return s_D3D12Upload;
}
void RenderAPI_D3D12::CreateResources()
{
ID3D12Device* device = s_D3D12->GetDevice();
HRESULT hr = E_FAIL;
// Command list
hr = device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&s_D3D12CmdAlloc));
if (FAILED(hr)) OutputDebugStringA("Failed to CreateCommandAllocator.\n");
hr = device->CreateCommandList(kNodeMask, D3D12_COMMAND_LIST_TYPE_DIRECT, s_D3D12CmdAlloc, nullptr, IID_PPV_ARGS(&s_D3D12CmdList));
if (FAILED(hr)) OutputDebugStringA("Failed to CreateCommandList.\n");
s_D3D12CmdList->Close();
// Fence
s_D3D12FenceValue = 0;
s_D3D12Event = CreateEvent(nullptr, FALSE, FALSE, nullptr);
}
int BaseBuffer::Initialize(ID3D12Device& device, const GfxBufferDesc& desc)
{
D3D12_HEAP_PROPERTIES heapProperties = {};
heapProperties.Type = GetDx12HeapType(desc.m_heapType);
heapProperties.CPUPageProperty = D3D12_CPU_PAGE_PROPERTY_UNKNOWN;
heapProperties.MemoryPoolPreference = D3D12_MEMORY_POOL_UNKNOWN;
heapProperties.CreationNodeMask = 1;
heapProperties.VisibleNodeMask = 1;
D3D12_RESOURCE_DESC resourceDesc = {};
resourceDesc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
resourceDesc.Alignment = 0;
resourceDesc.Width = desc.m_bufferSizeInByte;
resourceDesc.Height = 1;
resourceDesc.DepthOrArraySize = 1;
resourceDesc.MipLevels = 1;
resourceDesc.Format = DXGI_FORMAT_UNKNOWN;
resourceDesc.SampleDesc.Count = 1;
resourceDesc.SampleDesc.Quality = 0;
resourceDesc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
resourceDesc.Flags = GetDx12ResourceFlags(desc.m_resourceFlags);
D3D12_RESOURCE_STATES resourceState = GetDx12ResourceStates(desc.m_resourceStates);
HRESULT hr = device.CreateCommittedResource(
&heapProperties,
D3D12_HEAP_FLAG_NONE,
&resourceDesc,
resourceState,
nullptr,
IID_PPV_ARGS(&m_resource));
if(FAILED(hr))
{
SI_ASSERT(0, "error device.CreateCommittedResource", _com_error(hr).ErrorMessage());
return -1;
}
m_bufferSizeInByte = desc.m_bufferSizeInByte;
m_location = m_resource->GetGPUVirtualAddress();
if(desc.m_name)
{
wchar_t wName[64];
wName[0] = 0;
size_t num = 0;
errno_t ret = mbstowcs_s(&num, wName, desc.m_name, ArraySize(wName));
if(ret == 0)
{
m_resource->SetName(wName);
}
}
return 0;
}
//---------------------------------------------------------------------------//
void TextureSamplerDX12::create(const ObjectName& rName, const TextureSamplerDesc& someProperties)
{
myProperties = someProperties;
D3D12_SAMPLER_DESC desc;
desc.AddressU = locResolveAddressMode(someProperties.addressModeX);
desc.AddressU = locResolveAddressMode(someProperties.addressModeY);
desc.AddressW = locResolveAddressMode(someProperties.addressModeZ);
for (uint32 i = 0u; i < 4u; ++i)
desc.BorderColor[i] = someProperties.borderColor[i];
desc.ComparisonFunc = Adapter::toNativeType(someProperties.comparisonFunc);
desc.Filter = locResolveFilterMode(someProperties.minFiltering, someProperties.magFiltering);
desc.MaxAnisotropy = someProperties.fMaxAnisotropy;
desc.MaxLOD = someProperties.fMaxLod;
desc.MinLOD = someProperties.fMinLod;
desc.MipLODBias = someProperties.fLodBias;
myDescriptor = RenderCoreDX12::AllocateDescriptor(D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER);
ID3D12Device* device = RenderCoreDX12::GetDevice();
device->CreateSampler(&desc, myDescriptor.myCpuHandle);
}
int WINAPI WinMain(HINSTANCE, HINSTANCE, LPSTR, int)
{
MSG msg;
ZeroMemory(&msg, sizeof msg);
ID3D12Device* dev = nullptr;
#ifdef NDEBUG
try
#endif
{
g_mainWindowHandle = setupWindow(WINDOW_WIDTH, WINDOW_HEIGHT);
ShowWindow(g_mainWindowHandle, SW_SHOW);
UpdateWindow(g_mainWindowHandle);
D3D d3d(WINDOW_WIDTH, WINDOW_HEIGHT, g_mainWindowHandle);
dev = d3d.GetDevice();
while (msg.message != WM_QUIT) {
BOOL r = PeekMessage(&msg, nullptr, 0, 0, PM_REMOVE);
if (r == 0) {
d3d.Draw();
}
else {
DispatchMessage(&msg);
}
}
}
#ifdef NDEBUG
catch (std::exception &e) {
MessageBoxA(g_mainWindowHandle, e.what(), "Exception occuured.", MB_ICONSTOP);
}
#endif
if (dev)
dev->Release();
return static_cast<int>(msg.wParam);
}
void RenderAPI_D3D12::EndModifyTexture(void* textureHandle, int textureWidth, int textureHeight, int rowPitch, void* dataPtr)
{
ID3D12Device* device = s_D3D12->GetDevice();
const UINT64 kDataSize = textureWidth * textureHeight * 4;
ID3D12Resource* upload = GetUploadResource(kDataSize);
upload->Unmap(0, NULL);
ID3D12Resource* resource = (ID3D12Resource*)textureHandle;
D3D12_RESOURCE_DESC desc = resource->GetDesc();
assert(desc.Width == textureWidth);
assert(desc.Height == textureHeight);
D3D12_TEXTURE_COPY_LOCATION srcLoc = {};
srcLoc.pResource = upload;
srcLoc.Type = D3D12_TEXTURE_COPY_TYPE_PLACED_FOOTPRINT;
device->GetCopyableFootprints(&desc, 0, 1, 0, &srcLoc.PlacedFootprint, nullptr, nullptr, nullptr);
D3D12_TEXTURE_COPY_LOCATION dstLoc = {};
dstLoc.pResource = resource;
dstLoc.Type = D3D12_TEXTURE_COPY_TYPE_SUBRESOURCE_INDEX;
dstLoc.SubresourceIndex = 0;
// We inform Unity that we expect this resource to be in D3D12_RESOURCE_STATE_COPY_DEST state,
// and because we do not barrier it ourselves, we tell Unity that no changes are done on our command list.
UnityGraphicsD3D12ResourceState resourceState = {};
resourceState.resource = resource;
resourceState.expected = D3D12_RESOURCE_STATE_COPY_DEST;
resourceState.current = D3D12_RESOURCE_STATE_COPY_DEST;
// Queue data upload
s_D3D12CmdList->CopyTextureRegion(&dstLoc, 0, 0, 0, &srcLoc, nullptr);
// Execute the command list
s_D3D12CmdList->Close();
s_D3D12FenceValue = s_D3D12->ExecuteCommandList(s_D3D12CmdList, 1, &resourceState);
}
void Draw()
{
mFrameCount++;
int cmdIndex = mFrameCount % MaxFrameLatency;
auto* cmdQueue = mCmdQueue.Get();
auto* cmdList = mCmdList.Get();
// Wait untill next queue be freed
if (mFrameCount > MaxFrameLatency)
{
mFence->SetEventOnCompletion(mFrameCount - MaxFrameLatency, mFenceEveneHandle);
DWORD wait = WaitForSingleObject(mFenceEveneHandle, 10000);
if (wait != WAIT_OBJECT_0)
throw runtime_error("Failed WaitForSingleObject().");
CHK(mCmdAlloc[cmdIndex]->Reset());
}
CHK(cmdList->Reset(mCmdAlloc[cmdIndex].Get(), nullptr));
// Upload constant buffer
{
static float rot = 0.0f;
rot += 1.0f;
if (rot >= 360.0f) rot = 0.0f;
XMMATRIX worldMat, viewMat, projMat;
worldMat = XMMatrixRotationY(XMConvertToRadians(rot));
viewMat = XMMatrixLookAtLH({ 0, 1, -1.5f }, { 0, 0.5f, 0 }, { 0, 1, 0 });
projMat = XMMatrixPerspectiveFovLH(45, (float)mBufferWidth / mBufferHeight, 0.01f, 50.0f);
auto mvpMat = XMMatrixTranspose(worldMat * viewMat * projMat);
auto worldTransMat = XMMatrixTranspose(worldMat);
// mCBUploadPtr is Write-Combine memory
// Shift offset to guarantee that the pointer has not referred by executing command list.
char* ptr = reinterpret_cast<char*>(mCBUploadPtr) + CB_SIZE * cmdIndex;
memcpy_s(ptr, 64, &mvpMat, 64);
memcpy_s(ptr + 64, 64, &worldTransMat, 64);
}
// Get current RTV descriptor
auto descHandleRtvStep = mDev->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
D3D12_CPU_DESCRIPTOR_HANDLE descHandleRtv = mDescHeapRtv->GetCPUDescriptorHandleForHeapStart();
descHandleRtv.ptr += ((mFrameCount - 1) % BUFFER_COUNT) * descHandleRtvStep;
// Get current swap chain
ID3D12Resource* d3dBuffer = mD3DBuffer[(mFrameCount - 1) % BUFFER_COUNT].Get();
// Get DSV
auto descHandleDsv = mDescHeapDsv->GetCPUDescriptorHandleForHeapStart();
// Barrier Present -> RenderTarget
setResourceBarrier(mCmdList.Get(), d3dBuffer, D3D12_RESOURCE_STATE_PRESENT, D3D12_RESOURCE_STATE_RENDER_TARGET);
// Viewport & Scissor
D3D12_VIEWPORT viewport = {};
viewport.Width = (float)mBufferWidth;
viewport.Height = (float)mBufferHeight;
viewport.MinDepth = 0.0f;
viewport.MaxDepth = 1.0f;
cmdList->RSSetViewports(1, &viewport);
D3D12_RECT scissor = {};
scissor.right = (LONG)mBufferWidth;
scissor.bottom = (LONG)mBufferHeight;
cmdList->RSSetScissorRects(1, &scissor);
// Clear DepthTexture
mCmdList->ClearDepthStencilView(descHandleDsv, D3D12_CLEAR_FLAG_DEPTH, 1.0f, 0, 0, nullptr);
// Clear
{
float clearColor[4] = { 0.1f, 0.2f, 0.3f, 1.0f };
mCmdList->ClearRenderTargetView(descHandleRtv, clearColor, 0, nullptr);
}
mCmdList->OMSetRenderTargets(1, &descHandleRtv, true, &descHandleDsv);
// Draw
cmdList->SetGraphicsRootSignature(mRootSignature.Get());
ID3D12DescriptorHeap* descHeaps[] = { mDescHeapCbvSrvUav[cmdIndex].Get() };
cmdList->SetDescriptorHeaps(ARRAYSIZE(descHeaps), descHeaps);
{
cmdList->SetGraphicsRootDescriptorTable(0, mDescHeapCbvSrvUav[cmdIndex]->GetGPUDescriptorHandleForHeapStart());
cmdList->SetPipelineState(mPso.Get());
cmdList->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
cmdList->IASetVertexBuffers(0, 1, &mVBView);
cmdList->IASetIndexBuffer(&mIBView);
cmdList->DrawIndexedInstanced(mIndexCount, 1, 0, 0, 0);
}
// Barrier RenderTarget -> Present
//setResourceBarrier(mCmdList.Get(), d3dBuffer, D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_PRESENT);
// Exec
CHK(cmdList->Close());
ID3D12CommandList* const cmdLists = cmdList;
//cmdQueue->ExecuteCommandLists(1, &cmdLists);
CHK(cmdQueue->Signal(mFence.Get(), mFrameCount));
// Acquire RTV for D3D11
ID3D11Resource* backBuffer11 = mBackBuffer11Tex[(mFrameCount - 1) % BUFFER_COUNT].Get();
mDev11on12->AcquireWrappedResources(&backBuffer11, 1);
// Draw
auto* rtv11 = mBackBuffer11Rtv[(mFrameCount - 1) % BUFFER_COUNT].Get();
float color11[4] = {0.4f, 0.2f, 0.1f, 1.0f};
mDevCont11->ClearRenderTargetView(rtv11, color11);
// Release RTV for D3D11
mDev11on12->ReleaseWrappedResources(&backBuffer11, 1);
// Present
CHK(mSwapChain->Present(1, 0));
}
D3D(int width, int height, HWND hWnd)
: mBufferWidth(width), mBufferHeight(height), mDev(nullptr)
{
{
#if _DEBUG
CHK(CreateDXGIFactory2(DXGI_CREATE_FACTORY_DEBUG, IID_PPV_ARGS(mDxgiFactory.ReleaseAndGetAddressOf())));
#else
CHK(CreateDXGIFactory2(0, IID_PPV_ARGS(mDxgiFactory.ReleaseAndGetAddressOf())));
#endif /* _DEBUG */
}
#if _DEBUG
ID3D12Debug* debug = nullptr;
D3D12GetDebugInterface(IID_PPV_ARGS(&debug));
if (debug)
{
debug->EnableDebugLayer();
debug->Release();
debug = nullptr;
}
#endif /* _DEBUG */
ID3D12Device* dev;
CHK(D3D12CreateDevice(
nullptr,
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&dev)));
mDev = dev;
CHK(mDev->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(mCmdAlloc.ReleaseAndGetAddressOf())));
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
CHK(mDev->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(mCmdQueue.ReleaseAndGetAddressOf())));
DXGI_SWAP_CHAIN_DESC1 scDesc = {};
scDesc.Width = width;
scDesc.Height = height;
scDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
scDesc.SampleDesc.Count = 1;
scDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
scDesc.BufferCount = BUFFER_COUNT;
scDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
CHK(mDxgiFactory->CreateSwapChainForHwnd(mCmdQueue.Get(), hWnd, &scDesc, nullptr, nullptr, mSwapChain.ReleaseAndGetAddressOf()));
CHK(mDev->CreateCommandList(
0,
D3D12_COMMAND_LIST_TYPE_DIRECT,
mCmdAlloc.Get(),
nullptr,
IID_PPV_ARGS(mCmdList.ReleaseAndGetAddressOf())));
CHK(mDev->CreateFence(0, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(mFence.ReleaseAndGetAddressOf())));
mFenceEveneHandle = CreateEvent(nullptr, FALSE, FALSE, nullptr);
for (int i = 0; i < BUFFER_COUNT; i++)
{
CHK(mSwapChain->GetBuffer(i, IID_PPV_ARGS(mD3DBuffer[i].ReleaseAndGetAddressOf())));
mD3DBuffer[i]->SetName(L"SwapChain_Buffer");
}
{
D3D12_DESCRIPTOR_HEAP_DESC desc = {};
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
desc.NumDescriptors = 10;
desc.NodeMask = 0;
CHK(mDev->CreateDescriptorHeap(&desc, IID_PPV_ARGS(mDescHeapRtv.ReleaseAndGetAddressOf())));
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
desc.NumDescriptors = 100;
desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
desc.NodeMask = 0;
CHK(mDev->CreateDescriptorHeap(&desc, IID_PPV_ARGS(mDescHeapCbvSrvUav.ReleaseAndGetAddressOf())));
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER;
desc.NumDescriptors = 10;
desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
desc.NodeMask = 0;
CHK(mDev->CreateDescriptorHeap(&desc, IID_PPV_ARGS(mDescHeapSampler.ReleaseAndGetAddressOf())));
}
auto rtvStep = mDev->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
for (auto i = 0u; i < BUFFER_COUNT; i++)
{
auto d = mDescHeapRtv->GetCPUDescriptorHandleForHeapStart();
d.ptr += i * rtvStep;
mDev->CreateRenderTargetView(mD3DBuffer[i].Get(), nullptr, d);
}
{
CD3DX12_DESCRIPTOR_RANGE descRange1[2], descRange2[1];
descRange1[0].Init(D3D12_DESCRIPTOR_RANGE_TYPE_SRV, 1, 0, 0, 4294967295U);
descRange1[1].Init(D3D12_DESCRIPTOR_RANGE_TYPE_CBV, 1, 0, 0, -1);
descRange2[0].Init(D3D12_DESCRIPTOR_RANGE_TYPE_SAMPLER, 1, 0, 0, 4294967295U);
CD3DX12_ROOT_PARAMETER rootParam[2];
rootParam[0].InitAsDescriptorTable(ARRAYSIZE(descRange1), descRange1);
rootParam[1].InitAsDescriptorTable(ARRAYSIZE(descRange2), descRange2);
ID3D10Blob *sig, *info;
auto rootSigDesc = D3D12_ROOT_SIGNATURE_DESC();
rootSigDesc.NumParameters = 2;
rootSigDesc.NumStaticSamplers = 0;
rootSigDesc.pParameters = rootParam;
rootSigDesc.pStaticSamplers = nullptr;
CHK(D3D12SerializeRootSignature(&rootSigDesc, D3D_ROOT_SIGNATURE_VERSION_1, &sig, &info));
mDev->CreateRootSignature(
0,
sig->GetBufferPointer(),
sig->GetBufferSize(),
IID_PPV_ARGS(mRootSignature.ReleaseAndGetAddressOf()));
sig->Release();
}
ID3D10Blob *vs, *ps;
{
ID3D10Blob *info;
UINT flag = 0;
#if _DEBUG
flag |= D3DCOMPILE_DEBUG;
#endif /* _DEBUG */
CHK(D3DCompileFromFile(L"ConstantBuffer.hlsl", nullptr, nullptr, "VSMain", "vs_5_0", flag, 0, &vs, &info));
CHK(D3DCompileFromFile(L"ConstantBuffer.hlsl", nullptr, nullptr, "PSMain", "ps_5_0", flag, 0, &ps, &info));
}
D3D12_GRAPHICS_PIPELINE_STATE_DESC psoDesc = {};
psoDesc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE;
psoDesc.InputLayout.NumElements = 0;
psoDesc.pRootSignature = mRootSignature.Get();
psoDesc.VS.pShaderBytecode = vs->GetBufferPointer();
psoDesc.VS.BytecodeLength = vs->GetBufferSize();
psoDesc.PS.pShaderBytecode = ps->GetBufferPointer();
psoDesc.PS.BytecodeLength = ps->GetBufferSize();
psoDesc.RasterizerState = CD3DX12_RASTERIZER_DESC(CCCD3DX12_DEFAULT());
psoDesc.BlendState = CD3DX12_BLEND_DESC(CCCD3DX12_DEFAULT());
psoDesc.DepthStencilState.DepthEnable = false;
psoDesc.DepthStencilState.StencilEnable = false;
psoDesc.SampleMask = UINT_MAX;
psoDesc.NumRenderTargets = 1;
psoDesc.RTVFormats[0] = DXGI_FORMAT_R8G8B8A8_UNORM;
psoDesc.SampleDesc.Count = 1;
CHK(mDev->CreateGraphicsPipelineState(&psoDesc, IID_PPV_ARGS(mPso.ReleaseAndGetAddressOf())));
vs->Release();
ps->Release();
{
// Read DDS file
vector<char> texData(4 * 256 * 256);
ifstream ifs("d3d12.dds", ios::binary);
if (!ifs)
throw runtime_error("Texture not found.");
ifs.seekg(128, ios::beg); // Skip DDS header
ifs.read(texData.data(), texData.size());
D3D12_RESOURCE_DESC resourceDesc = CD3DX12_RESOURCE_DESC::Tex2D(
DXGI_FORMAT_B8G8R8A8_UNORM, 256, 256, 1, 1, 1, 0, D3D12_RESOURCE_FLAG_NONE,
D3D12_TEXTURE_LAYOUT_UNKNOWN, 0);
CHK(mDev->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE,
//&CD3D12_RESOURCE_DESC::Buffer(texData.size()),
&resourceDesc,
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(mTex.ReleaseAndGetAddressOf())));
mTex->SetName(L"Texure");
D3D12_BOX box = {};
box.right = 256;
box.bottom = 256;
box.back = 1;
CHK(mTex->WriteToSubresource(0, &box, texData.data(), 4 * 256, 4 * 256 * 256));
}
D3D12_SHADER_RESOURCE_VIEW_DESC srvDesc = {};
srvDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
srvDesc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2D;
srvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
srvDesc.Texture2D.MipLevels = 1;
srvDesc.Texture2D.MostDetailedMip = 0; // No MIP
srvDesc.Texture2D.PlaneSlice = 0;
srvDesc.Texture2D.ResourceMinLODClamp = 0.0f;
mDev->CreateShaderResourceView(mTex.Get(), &srvDesc, mDescHeapCbvSrvUav->GetCPUDescriptorHandleForHeapStart());
D3D12_SAMPLER_DESC samplerDesc;
samplerDesc.Filter = D3D12_FILTER_MIN_MAG_MIP_LINEAR;
samplerDesc.AddressU = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
samplerDesc.AddressV = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
samplerDesc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
samplerDesc.MinLOD = -FLT_MAX;
samplerDesc.MaxLOD = FLT_MAX;
samplerDesc.MipLODBias = 0;
samplerDesc.MaxAnisotropy = 0;
samplerDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_NEVER;
mDev->CreateSampler(&samplerDesc, mDescHeapSampler->GetCPUDescriptorHandleForHeapStart());
CHK(mDev->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer(D3D12_CONSTANT_BUFFER_DATA_PLACEMENT_ALIGNMENT),
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(mCB.ReleaseAndGetAddressOf())));
mCB->SetName(L"ConstantBuffer");
D3D12_CONSTANT_BUFFER_VIEW_DESC cbvDesc = {};
cbvDesc.BufferLocation = mCB->GetGPUVirtualAddress();
cbvDesc.SizeInBytes = D3D12_CONSTANT_BUFFER_DATA_PLACEMENT_ALIGNMENT; // must be a multiple of 256
auto cbvSrvUavDescHandle = mDescHeapCbvSrvUav->GetCPUDescriptorHandleForHeapStart();
auto cbvSrvUavStep = mDev->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
cbvSrvUavDescHandle.ptr += cbvSrvUavStep;
mDev->CreateConstantBufferView(
&cbvDesc,
cbvSrvUavDescHandle);
CHK(mCB->Map(0, nullptr, reinterpret_cast<void**>(&mCBUploadPtr)));
}
void Draw()
{
mFrameCount++;
// Upload constant buffer
{
static float mul = 1.0f;
mul -= 0.01f;
if (mul <= 0.0f) mul = 1.0f;
// mCBUploadPtr is Write-Combine memory
*reinterpret_cast<float*>(mCBUploadPtr) = mul;
}
// Get current RTV descriptor
auto descHandleRtvStep = mDev->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
D3D12_CPU_DESCRIPTOR_HANDLE descHandleRtv = mDescHeapRtv->GetCPUDescriptorHandleForHeapStart();
descHandleRtv.ptr += ((mFrameCount - 1) % BUFFER_COUNT) * descHandleRtvStep;
// Get current swap chain
ID3D12Resource* d3dBuffer = mD3DBuffer[(mFrameCount - 1) % BUFFER_COUNT].Get();
// Barrier Present -> RenderTarget
setResourceBarrier(mCmdList.Get(), d3dBuffer, D3D12_RESOURCE_STATE_PRESENT, D3D12_RESOURCE_STATE_RENDER_TARGET);
// Viewport & Scissor
D3D12_VIEWPORT viewport = {};
viewport.Width = (float)mBufferWidth;
viewport.Height = (float)mBufferHeight;
mCmdList->RSSetViewports(1, &viewport);
D3D12_RECT scissor = {};
scissor.right = (LONG)mBufferWidth;
scissor.bottom = (LONG)mBufferHeight;
mCmdList->RSSetScissorRects(1, &scissor);
// Clear
{
auto saturate = [](float a) { return a < 0 ? 0 : a > 1 ? 1 : a; };
float clearColor[4];
static float h = 0.0f;
h += 0.02f;
if (h >= 1) h = 0.0f;
clearColor[0] = saturate(std::abs(h * 6.0f - 3.0f) - 1.0f);
clearColor[1] = saturate(2.0f - std::abs(h * 6.0f - 2.0f));
clearColor[2] = saturate(2.0f - std::abs(h * 6.0f - 4.0f));
mCmdList->ClearRenderTargetView(descHandleRtv, clearColor, 0, nullptr);
}
mCmdList->OMSetRenderTargets(1, &descHandleRtv, true, nullptr);
// Draw
{
mCmdList->SetGraphicsRootSignature(mRootSignature.Get());
ID3D12DescriptorHeap* descHeaps[] = { mDescHeapCbvSrvUav.Get(), mDescHeapSampler.Get() };
mCmdList->SetDescriptorHeaps(ARRAYSIZE(descHeaps), descHeaps);
mCmdList->SetGraphicsRootDescriptorTable(0, mDescHeapCbvSrvUav->GetGPUDescriptorHandleForHeapStart());
mCmdList->SetGraphicsRootDescriptorTable(1, mDescHeapSampler->GetGPUDescriptorHandleForHeapStart());
mCmdList->SetPipelineState(mPso.Get());
mCmdList->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
mCmdList->DrawInstanced(4, 1, 0, 0);
}
// Barrier RenderTarget -> Present
setResourceBarrier(mCmdList.Get(), d3dBuffer, D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_PRESENT);
// Exec
CHK(mCmdList->Close());
ID3D12CommandList* const cmdList = mCmdList.Get();
mCmdQueue->ExecuteCommandLists(1, &cmdList);
// Present
CHK(mSwapChain->Present(1, 0));
// Set queue flushed event
CHK(mFence->SetEventOnCompletion(mFrameCount, mFenceEveneHandle));
// Wait for queue flushed
// This code would occur CPU stall!
CHK(mCmdQueue->Signal(mFence.Get(), mFrameCount));
DWORD wait = WaitForSingleObject(mFenceEveneHandle, 10000);
if (wait != WAIT_OBJECT_0)
throw runtime_error("Failed WaitForSingleObject().");
CHK(mCmdAlloc->Reset());
CHK(mCmdList->Reset(mCmdAlloc.Get(), nullptr));
}
D3D(int width, int height, HWND hWnd)
: mBufferWidth(width), mBufferHeight(height), mDev(nullptr)
{
{
#if _DEBUG
CHK(CreateDXGIFactory2(DXGI_CREATE_FACTORY_DEBUG, IID_PPV_ARGS(mDxgiFactory.ReleaseAndGetAddressOf())));
#else
CHK(CreateDXGIFactory2(0, IID_PPV_ARGS(mDxgiFactory.ReleaseAndGetAddressOf())));
#endif /* _DEBUG */
}
#if _DEBUG
ID3D12Debug* debug = nullptr;
D3D12GetDebugInterface(IID_PPV_ARGS(&debug));
if (debug)
{
debug->EnableDebugLayer();
debug->Release();
debug = nullptr;
}
#endif /* _DEBUG */
ID3D12Device* dev;
CHK(D3D12CreateDevice(
nullptr,
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&dev)));
mDev = dev;
CHK(mDev->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(mCmdAlloc.ReleaseAndGetAddressOf())));
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
CHK(mDev->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(mCmdQueue.ReleaseAndGetAddressOf())));
DXGI_SWAP_CHAIN_DESC1 scDesc = {};
scDesc.Width = width;
scDesc.Height = height;
scDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
scDesc.SampleDesc.Count = 1;
scDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
scDesc.BufferCount = BUFFER_COUNT;
scDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
CHK(mDxgiFactory->CreateSwapChainForHwnd(mCmdQueue.Get(), hWnd, &scDesc, nullptr, nullptr, mSwapChain.ReleaseAndGetAddressOf()));
CHK(mDev->CreateCommandList(
0,
D3D12_COMMAND_LIST_TYPE_DIRECT,
mCmdAlloc.Get(),
nullptr,
IID_PPV_ARGS(mCmdList.ReleaseAndGetAddressOf())));
CHK(mDev->CreateFence(0, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(mFence.ReleaseAndGetAddressOf())));
mFenceEveneHandle = CreateEvent(nullptr, FALSE, FALSE, nullptr);
for (int i = 0; i < BUFFER_COUNT; i++)
{
CHK(mSwapChain->GetBuffer(i, IID_PPV_ARGS(mD3DBuffer[i].ReleaseAndGetAddressOf())));
mD3DBuffer[i]->SetName(L"SwapChain_Buffer");
}
{
D3D12_DESCRIPTOR_HEAP_DESC desc = {};
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
desc.NumDescriptors = 10;
//desc.Flags = D3D12_DESCRIPTOR_HEAP_SHADER_VISIBLE;
desc.NodeMask = 0;
CHK(mDev->CreateDescriptorHeap(&desc, IID_PPV_ARGS(mDescHeapRtv.ReleaseAndGetAddressOf())));
}
auto rtvStep = mDev->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
for (auto i = 0u; i < BUFFER_COUNT; i++)
{
auto d = mDescHeapRtv->GetCPUDescriptorHandleForHeapStart();
d.ptr += i * rtvStep;
mDev->CreateRenderTargetView(mD3DBuffer[i].Get(), nullptr, d);
}
{
ID3D10Blob *sig, *info;
auto rootSigDesc = D3D12_ROOT_SIGNATURE_DESC();
rootSigDesc.Flags = D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT;
CHK(D3D12SerializeRootSignature(&rootSigDesc, D3D_ROOT_SIGNATURE_VERSION_1, &sig, &info));
mDev->CreateRootSignature(
0,
sig->GetBufferPointer(),
sig->GetBufferSize(),
IID_PPV_ARGS(mRootSignature.ReleaseAndGetAddressOf()));
sig->Release();
}
ID3D10Blob *vs, *ps;
{
ID3D10Blob *info;
UINT flag = 0;
#if _DEBUG
flag |= D3DCOMPILE_DEBUG;
#endif /* _DEBUG */
CHK(D3DCompileFromFile(L"Default.hlsl", nullptr, nullptr, "VSMain", "vs_5_0", flag, 0, &vs, &info));
CHK(D3DCompileFromFile(L"Default.hlsl", nullptr, nullptr, "PSMain", "ps_5_0", flag, 0, &ps, &info));
}
D3D12_INPUT_ELEMENT_DESC inputLayout[] = {
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 }
};
D3D12_GRAPHICS_PIPELINE_STATE_DESC psoDesc = {};
psoDesc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE;
psoDesc.InputLayout.NumElements = 1;
psoDesc.InputLayout.pInputElementDescs = inputLayout;
psoDesc.IBStripCutValue = D3D12_INDEX_BUFFER_STRIP_CUT_VALUE_DISABLED;
psoDesc.pRootSignature = mRootSignature.Get();
psoDesc.VS.pShaderBytecode = vs->GetBufferPointer();
psoDesc.VS.BytecodeLength = vs->GetBufferSize();
psoDesc.PS.pShaderBytecode = ps->GetBufferPointer();
psoDesc.PS.BytecodeLength = ps->GetBufferSize();
psoDesc.RasterizerState = CD3DX12_RASTERIZER_DESC(D3DX12_DEFAULT);
psoDesc.BlendState = CD3DX12_BLEND_DESC(D3DX12_DEFAULT);
psoDesc.DepthStencilState.DepthEnable = false;
psoDesc.DepthStencilState.StencilEnable = false;
psoDesc.SampleMask = UINT_MAX;
psoDesc.NumRenderTargets = 1;
psoDesc.RTVFormats[0] = DXGI_FORMAT_R8G8B8A8_UNORM;
psoDesc.SampleDesc.Count = 1;
CHK(mDev->CreateGraphicsPipelineState(&psoDesc, IID_PPV_ARGS(mPso.ReleaseAndGetAddressOf())));
vs->Release();
ps->Release();
struct float3 {
float f[3];
};
float3 vbData[4] = {
{ -0.7f, 0.7f, 0.0f },
{ 0.7f, 0.7f, 0.0f },
{ -0.7f, -0.7f, 0.0f },
{ 0.7f, -0.7f, 0.0f }
};
unsigned short ibData[6] = { 0, 1, 2, 2, 1, 3 };
CHK(mDev->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer(sizeof(vbData) + sizeof(ibData)),
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(mVB.ReleaseAndGetAddressOf())));
mVB->SetName(L"VertexBuffer");
char* vbUploadPtr = nullptr;
CHK(mVB->Map(0, nullptr, reinterpret_cast<void**>(&vbUploadPtr)));
memcpy_s(vbUploadPtr, sizeof(vbData), vbData, sizeof(vbData));
memcpy_s(vbUploadPtr + sizeof(vbData), sizeof(ibData), ibData, sizeof(ibData));
mVB->Unmap(0, nullptr);
mVBView.BufferLocation = mVB->GetGPUVirtualAddress();
mVBView.StrideInBytes = sizeof(float3);
mVBView.SizeInBytes = sizeof(vbData);
mIBView.BufferLocation = mVB->GetGPUVirtualAddress() + sizeof(vbData);
mIBView.Format = DXGI_FORMAT_R16_UINT;
mIBView.SizeInBytes = sizeof(ibData);
}
D3D(int width, int height, HWND hWnd)
: mBufferWidth(width), mBufferHeight(height), mDev(nullptr)
{
{
#if _DEBUG
CHK(CreateDXGIFactory2(DXGI_CREATE_FACTORY_DEBUG, IID_PPV_ARGS(mDxgiFactory.ReleaseAndGetAddressOf())));
#else
CHK(CreateDXGIFactory2(0, IID_PPV_ARGS(mDxgiFactory.ReleaseAndGetAddressOf())));
#endif /* _DEBUG */
}
#if _DEBUG
ID3D12Debug* debug = nullptr;
D3D12GetDebugInterface(IID_PPV_ARGS(&debug));
if (debug)
{
debug->EnableDebugLayer();
debug->Release();
debug = nullptr;
}
#endif /* _DEBUG */
ID3D12Device* dev;
CHK(D3D12CreateDevice(
nullptr,
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&dev)));
mDev = dev;
CHK(mDev->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(mCmdAlloc.ReleaseAndGetAddressOf())));
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
CHK(mDev->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(mCmdQueue.ReleaseAndGetAddressOf())));
DXGI_SWAP_CHAIN_DESC1 scDesc = {};
scDesc.Width = width;
scDesc.Height = height;
scDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
scDesc.SampleDesc.Count = 1;
scDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
scDesc.BufferCount = BUFFER_COUNT;
scDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
CHK(mDxgiFactory->CreateSwapChainForHwnd(mCmdQueue.Get(), hWnd, &scDesc, nullptr, nullptr, mSwapChain.ReleaseAndGetAddressOf()));
CHK(mDev->CreateCommandList(
0,
D3D12_COMMAND_LIST_TYPE_DIRECT,
mCmdAlloc.Get(),
nullptr,
IID_PPV_ARGS(mCmdList.ReleaseAndGetAddressOf())));
CHK(mDev->CreateFence(0, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(mFence.ReleaseAndGetAddressOf())));
mFenceEveneHandle = CreateEvent(nullptr, FALSE, FALSE, nullptr);
for (int i = 0; i < BUFFER_COUNT; i++)
{
CHK(mSwapChain->GetBuffer(i, IID_PPV_ARGS(mD3DBuffer[i].ReleaseAndGetAddressOf())));
mD3DBuffer[i]->SetName(L"SwapChain_Buffer");
}
{
D3D12_DESCRIPTOR_HEAP_DESC desc = {};
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
desc.NumDescriptors = 10;
desc.NodeMask = 0;
CHK(mDev->CreateDescriptorHeap(&desc, IID_PPV_ARGS(mDescHeapRtv.ReleaseAndGetAddressOf())));
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_DSV;
desc.NumDescriptors = 10;
desc.NodeMask = 0;
CHK(mDev->CreateDescriptorHeap(&desc, IID_PPV_ARGS(mDescHeapDsv.ReleaseAndGetAddressOf())));
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
desc.NumDescriptors = 100;
desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
desc.NodeMask = 0;
CHK(mDev->CreateDescriptorHeap(&desc, IID_PPV_ARGS(mDescHeapCbvSrvUav.ReleaseAndGetAddressOf())));
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER;
desc.NumDescriptors = 10;
desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
desc.NodeMask = 0;
CHK(mDev->CreateDescriptorHeap(&desc, IID_PPV_ARGS(mDescHeapSampler.ReleaseAndGetAddressOf())));
}
auto rtvStep = mDev->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
for (auto i = 0u; i < BUFFER_COUNT; i++)
{
auto d = mDescHeapRtv->GetCPUDescriptorHandleForHeapStart();
d.ptr += i * rtvStep;
mDev->CreateRenderTargetView(mD3DBuffer[i].Get(), nullptr, d);
}
{
CD3DX12_DESCRIPTOR_RANGE descRange1, descRange2;
descRange1.Init(D3D12_DESCRIPTOR_RANGE_TYPE_SRV, 1, 0);
descRange2.Init(D3D12_DESCRIPTOR_RANGE_TYPE_SAMPLER, 1, 0);
CD3DX12_ROOT_PARAMETER rootParam[2];
rootParam[0].InitAsDescriptorTable(1, &descRange1);
rootParam[1].InitAsDescriptorTable(1, &descRange2);
ID3D10Blob *sig, *info;
auto rootSigDesc = D3D12_ROOT_SIGNATURE_DESC();
rootSigDesc.NumParameters = 2;
rootSigDesc.NumStaticSamplers = 0;
rootSigDesc.pParameters = rootParam;
rootSigDesc.pStaticSamplers = nullptr;
rootSigDesc.Flags = D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT;
CHK(D3D12SerializeRootSignature(&rootSigDesc, D3D_ROOT_SIGNATURE_VERSION_1, &sig, &info));
mDev->CreateRootSignature(
0,
sig->GetBufferPointer(),
sig->GetBufferSize(),
IID_PPV_ARGS(mRootSignature.ReleaseAndGetAddressOf()));
sig->Release();
}
ID3D10Blob *vs, *ps, *vsDrawDepth, *psDrawDepth;
{
ID3D10Blob *info;
UINT flag = 0;
#if _DEBUG
flag |= D3DCOMPILE_DEBUG;
#endif /* _DEBUG */
CHK(D3DCompileFromFile(L"DepthBuffer.hlsl", nullptr, nullptr, "VSMain", "vs_5_0", flag, 0, &vs, &info));
CHK(D3DCompileFromFile(L"DepthBuffer.hlsl", nullptr, nullptr, "PSMain", "ps_5_0", flag, 0, &ps, &info));
CHK(D3DCompileFromFile(L"DepthBuffer.hlsl", nullptr, nullptr, "VSDrawDepth", "vs_5_0", flag, 0, &vsDrawDepth, &info));
CHK(D3DCompileFromFile(L"DepthBuffer.hlsl", nullptr, nullptr, "PSDrawDepth", "ps_5_0", flag, 0, &psDrawDepth, &info));
}
D3D12_INPUT_ELEMENT_DESC inputLayout[] = {
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 }
};
D3D12_GRAPHICS_PIPELINE_STATE_DESC psoDesc = {};
psoDesc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE;
psoDesc.InputLayout.NumElements = 1;
psoDesc.InputLayout.pInputElementDescs = inputLayout;
psoDesc.IBStripCutValue = D3D12_INDEX_BUFFER_STRIP_CUT_VALUE_DISABLED;
psoDesc.pRootSignature = mRootSignature.Get();
psoDesc.VS.pShaderBytecode = vs->GetBufferPointer();
psoDesc.VS.BytecodeLength = vs->GetBufferSize();
psoDesc.PS.pShaderBytecode = ps->GetBufferPointer();
psoDesc.PS.BytecodeLength = ps->GetBufferSize();
psoDesc.RasterizerState = CD3DX12_RASTERIZER_DESC(CCCD3DX12_DEFAULT());
psoDesc.BlendState = CD3DX12_BLEND_DESC(CCCD3DX12_DEFAULT());
psoDesc.DepthStencilState.DepthEnable = true;
psoDesc.DepthStencilState.DepthFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL;
psoDesc.DepthStencilState.DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ALL;
psoDesc.DSVFormat = DXGI_FORMAT_D32_FLOAT;
psoDesc.DepthStencilState.StencilEnable = false;
psoDesc.SampleMask = UINT_MAX;
psoDesc.NumRenderTargets = 0;
psoDesc.SampleDesc.Count = 1;
CHK(mDev->CreateGraphicsPipelineState(&psoDesc, IID_PPV_ARGS(mPso.ReleaseAndGetAddressOf())));
vs->Release();
ps->Release();
psoDesc.InputLayout.NumElements = 0;
psoDesc.VS.pShaderBytecode = vsDrawDepth->GetBufferPointer();
psoDesc.VS.BytecodeLength = vsDrawDepth->GetBufferSize();
psoDesc.PS.pShaderBytecode = psDrawDepth->GetBufferPointer();
psoDesc.PS.BytecodeLength = psDrawDepth->GetBufferSize();
psoDesc.DepthStencilState.DepthEnable = false;
psoDesc.NumRenderTargets = 1;
psoDesc.RTVFormats[0] = DXGI_FORMAT_R8G8B8A8_UNORM;
CHK(mDev->CreateGraphicsPipelineState(&psoDesc, IID_PPV_ARGS(mPsoDrawDepth.ReleaseAndGetAddressOf())));
vsDrawDepth->Release();
psDrawDepth->Release();
struct float3 {
float f[3];
};
float3 vbData[4] = {
{ -0.7f, 0.7f, 0.9f },
{ 0.7f, 0.7f, 0.6f },
{ -0.7f, -0.7f, 0.3f },
{ 0.7f, -0.7f, 0.0f }
};
unsigned short ibData[6] = { 0, 1, 2, 2, 1, 3 };
CHK(mDev->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer(sizeof(vbData) + sizeof(ibData)),
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(mVB.ReleaseAndGetAddressOf())));
mVB->SetName(L"VertexBuffer");
char* vbUploadPtr = nullptr;
CHK(mVB->Map(0, nullptr, reinterpret_cast<void**>(&vbUploadPtr)));
memcpy_s(vbUploadPtr, sizeof(vbData), vbData, sizeof(vbData));
memcpy_s(vbUploadPtr + sizeof(vbData), sizeof(ibData), ibData, sizeof(ibData));
mVB->Unmap(0, nullptr);
mVBView.BufferLocation = mVB->GetGPUVirtualAddress();
mVBView.StrideInBytes = sizeof(float3);
mVBView.SizeInBytes = sizeof(vbData);
mIBView.BufferLocation = mVB->GetGPUVirtualAddress() + sizeof(vbData);
mIBView.Format = DXGI_FORMAT_R16_UINT;
mIBView.SizeInBytes = sizeof(ibData);
auto resourceDesc = CD3DX12_RESOURCE_DESC::Tex2D(
DXGI_FORMAT_R32_TYPELESS, mBufferWidth, mBufferHeight, 1, 1, 1, 0, D3D12_RESOURCE_FLAG_ALLOW_DEPTH_STENCIL,
D3D12_TEXTURE_LAYOUT_UNKNOWN, 0);
D3D12_CLEAR_VALUE dsvClearValue;
dsvClearValue.Format = DXGI_FORMAT_D32_FLOAT;
dsvClearValue.DepthStencil.Depth = 1.0f;
dsvClearValue.DepthStencil.Stencil = 0;
CHK(mDev->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT), // No need to read/write by CPU
D3D12_HEAP_FLAG_NONE,
&resourceDesc,
D3D12_RESOURCE_STATE_DEPTH_READ,
&dsvClearValue,
IID_PPV_ARGS(mDB.ReleaseAndGetAddressOf())));
mDB->SetName(L"DepthTexture");
D3D12_DEPTH_STENCIL_VIEW_DESC dsvDesc = {};
dsvDesc.ViewDimension = D3D12_DSV_DIMENSION_TEXTURE2D;
dsvDesc.Format = DXGI_FORMAT_D32_FLOAT;
dsvDesc.Texture2D.MipSlice = 0;
dsvDesc.Flags = D3D12_DSV_FLAG_NONE;
mDev->CreateDepthStencilView(mDB.Get(), &dsvDesc, mDescHeapDsv->GetCPUDescriptorHandleForHeapStart());
D3D12_SHADER_RESOURCE_VIEW_DESC srvDesc = {};
srvDesc.Format = DXGI_FORMAT_R32_FLOAT;
srvDesc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2D;
srvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
srvDesc.Texture2D.MipLevels = 1;
srvDesc.Texture2D.MostDetailedMip = 0; // No MIP
srvDesc.Texture2D.PlaneSlice = 0;
srvDesc.Texture2D.ResourceMinLODClamp = 0.0f;
mDev->CreateShaderResourceView(mDB.Get(), &srvDesc, mDescHeapCbvSrvUav->GetCPUDescriptorHandleForHeapStart());
D3D12_SAMPLER_DESC samplerDesc;
samplerDesc.Filter = D3D12_FILTER_MIN_MAG_MIP_LINEAR;
samplerDesc.AddressU = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
samplerDesc.AddressV = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
samplerDesc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
samplerDesc.MinLOD = -FLT_MAX;
samplerDesc.MaxLOD = FLT_MAX;
samplerDesc.MipLODBias = 0;
samplerDesc.MaxAnisotropy = 0;
samplerDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_NEVER;
mDev->CreateSampler(&samplerDesc, mDescHeapSampler->GetCPUDescriptorHandleForHeapStart());
}
void Draw()
{
mFrameCount++;
// Get current RTV descriptor
auto descHandleRtvStep = mDev->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
D3D12_CPU_DESCRIPTOR_HANDLE descHandleRtv = mDescHeapRtv->GetCPUDescriptorHandleForHeapStart();
descHandleRtv.ptr += ((mFrameCount - 1) % BUFFER_COUNT) * descHandleRtvStep;
// Get current swap chain
ID3D12Resource* d3dBuffer = mD3DBuffer[(mFrameCount - 1) % BUFFER_COUNT].Get();
// Get DSV
auto descHandleDsv = mDescHeapDsv->GetCPUDescriptorHandleForHeapStart();
// Barrier SwapChain Present -> RenderTarget
setResourceBarrier(mCmdList.Get(), d3dBuffer, D3D12_RESOURCE_STATE_PRESENT, D3D12_RESOURCE_STATE_RENDER_TARGET);
// Barrier DepthTexture PixelShaderResource -> Depth
setResourceBarrier(mCmdList.Get(), mDB.Get(), D3D12_RESOURCE_STATE_DEPTH_READ, D3D12_RESOURCE_STATE_DEPTH_WRITE);
// Viewport & Scissor
D3D12_VIEWPORT viewport = {};
viewport.Width = (float)mBufferWidth;
viewport.Height = (float)mBufferHeight;
viewport.MinDepth = 0.0f;
viewport.MaxDepth = 1.0f;
mCmdList->RSSetViewports(1, &viewport);
D3D12_RECT scissor = {};
scissor.right = (LONG)mBufferWidth;
scissor.bottom = (LONG)mBufferHeight;
mCmdList->RSSetScissorRects(1, &scissor);
// Clear DepthTexture
mCmdList->ClearDepthStencilView(descHandleDsv, D3D12_CLEAR_FLAG_DEPTH, 1.0f, 0, 0, nullptr);
// Clear
{
float clearColor[4] = { 0.1f, 0.2f, 0.3f, 1.0f };
mCmdList->ClearRenderTargetView(descHandleRtv, clearColor, 0, nullptr);
}
// Draw
mCmdList->SetGraphicsRootSignature(mRootSignature.Get());
ID3D12DescriptorHeap* descHeaps[] = { mDescHeapCbvSrvUav.Get(), mDescHeapSampler.Get() };
mCmdList->SetDescriptorHeaps(ARRAYSIZE(descHeaps), descHeaps);
{
mCmdList->SetPipelineState(mPso.Get());
mCmdList->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
mCmdList->IASetVertexBuffers(0, 1, &mVBView);
mCmdList->IASetIndexBuffer(&mIBView);
mCmdList->OMSetRenderTargets(0, nullptr, false, &descHandleDsv);
mCmdList->DrawIndexedInstanced(6, 1, 0, 0, 0);
}
// Barrier DepthTexture Depth -> PixelShaderResource
setResourceBarrier(mCmdList.Get(), mDB.Get(), D3D12_RESOURCE_STATE_DEPTH_WRITE, D3D12_RESOURCE_STATE_DEPTH_READ);
// Draw Depth
{
mCmdList->SetGraphicsRootDescriptorTable(0, mDescHeapCbvSrvUav->GetGPUDescriptorHandleForHeapStart());
mCmdList->SetGraphicsRootDescriptorTable(1, mDescHeapSampler->GetGPUDescriptorHandleForHeapStart());
mCmdList->SetPipelineState(mPsoDrawDepth.Get());
mCmdList->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
mCmdList->IASetVertexBuffers(0, 0, nullptr);
mCmdList->IASetIndexBuffer(nullptr);
mCmdList->OMSetRenderTargets(1, &descHandleRtv, true, nullptr);
mCmdList->DrawInstanced(4, 1, 0, 0);
}
// Barrier RenderTarget -> Present
setResourceBarrier(mCmdList.Get(), d3dBuffer, D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_PRESENT);
// Exec
CHK(mCmdList->Close());
ID3D12CommandList* const cmdList = mCmdList.Get();
mCmdQueue->ExecuteCommandLists(1, &cmdList);
// Present
CHK(mSwapChain->Present(1, 0));
// Set queue flushed event
CHK(mFence->SetEventOnCompletion(mFrameCount, mFenceEveneHandle));
// Wait for queue flushed
// This code would occur CPU stall!
CHK(mCmdQueue->Signal(mFence.Get(), mFrameCount));
DWORD wait = WaitForSingleObject(mFenceEveneHandle, 10000);
if (wait != WAIT_OBJECT_0)
throw runtime_error("Failed WaitForSingleObject().");
CHK(mCmdAlloc->Reset());
CHK(mCmdList->Reset(mCmdAlloc.Get(), nullptr));
}
D3D(int width, int height, HWND hWnd)
: mBufferWidth(width), mBufferHeight(height), mDev(nullptr)
{
{
#if _DEBUG
CHK(CreateDXGIFactory2(DXGI_CREATE_FACTORY_DEBUG, IID_PPV_ARGS(mDxgiFactory.ReleaseAndGetAddressOf())));
#else
CHK(CreateDXGIFactory2(0, IID_PPV_ARGS(mDxgiFactory.ReleaseAndGetAddressOf())));
#endif /* _DEBUG */
}
#if _DEBUG
ID3D12Debug* debug = nullptr;
D3D12GetDebugInterface(IID_PPV_ARGS(&debug));
if (debug)
{
debug->EnableDebugLayer();
debug->Release();
debug = nullptr;
}
#endif /* _DEBUG */
ID3D12Device* dev;
CHK(D3D12CreateDevice(
nullptr,
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&dev)));
mDev = dev;
CHK(mDev->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(mCmdAlloc.ReleaseAndGetAddressOf())));
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
CHK(mDev->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(mCmdQueue.ReleaseAndGetAddressOf())));
DXGI_SWAP_CHAIN_DESC1 scDesc = {};
scDesc.Width = width;
scDesc.Height = height;
scDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
scDesc.SampleDesc.Count = 1;
scDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
scDesc.BufferCount = BUFFER_COUNT;
scDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
CHK(mDxgiFactory->CreateSwapChainForHwnd(mCmdQueue.Get(), hWnd, &scDesc, nullptr, nullptr, mSwapChain.ReleaseAndGetAddressOf()));
CHK(mDev->CreateCommandList(
0,
D3D12_COMMAND_LIST_TYPE_DIRECT,
mCmdAlloc.Get(),
nullptr,
IID_PPV_ARGS(mCmdList.ReleaseAndGetAddressOf())));
CHK(mDev->CreateFence(0, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(mFence.ReleaseAndGetAddressOf())));
mFenceEveneHandle = CreateEvent(nullptr, FALSE, FALSE, nullptr);
for (int i = 0; i < BUFFER_COUNT; i++)
{
CHK(mSwapChain->GetBuffer(i, IID_PPV_ARGS(mD3DBuffer[i].ReleaseAndGetAddressOf())));
mD3DBuffer[i]->SetName(L"SwapChain_Buffer");
}
{
D3D12_DESCRIPTOR_HEAP_DESC desc = {};
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
desc.NumDescriptors = 10;
//desc.Flags = D3D12_DESCRIPTOR_HEAP_SHADER_VISIBLE;
desc.NodeMask = 0;
CHK(mDev->CreateDescriptorHeap(&desc, IID_PPV_ARGS(mDescHeapRtv.ReleaseAndGetAddressOf())));
}
auto rtvStep = mDev->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
for (auto i = 0u; i < BUFFER_COUNT; i++)
{
auto d = mDescHeapRtv->GetCPUDescriptorHandleForHeapStart();
d.ptr += i * rtvStep;
mDev->CreateRenderTargetView(mD3DBuffer[i].Get(), nullptr, d);
}
{
ID3D10Blob *sig, *info;
auto rootSigDesc = D3D12_ROOT_SIGNATURE_DESC();
CHK(D3D12SerializeRootSignature(&rootSigDesc, D3D_ROOT_SIGNATURE_VERSION_1, &sig, &info));
mDev->CreateRootSignature(
0,
sig->GetBufferPointer(),
sig->GetBufferSize(),
IID_PPV_ARGS(mRootSignature.ReleaseAndGetAddressOf()));
sig->Release();
}
ID3D10Blob *vs, *ps;
{
ID3D10Blob *info;
UINT flag = 0;
#if _DEBUG
flag |= D3DCOMPILE_DEBUG;
#endif /* _DEBUG */
CHK(D3DCompileFromFile(L"Shader.hlsl", nullptr, nullptr, "VSMain", "vs_5_0", flag, 0, &vs, &info));
CHK(D3DCompileFromFile(L"Shader.hlsl", nullptr, nullptr, "PSMain", "ps_5_0", flag, 0, &ps, &info));
}
D3D12_GRAPHICS_PIPELINE_STATE_DESC psoDesc = {};
psoDesc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE;
psoDesc.InputLayout.NumElements = 0;
psoDesc.pRootSignature = mRootSignature.Get();
psoDesc.VS.pShaderBytecode = vs->GetBufferPointer();
psoDesc.VS.BytecodeLength = vs->GetBufferSize();
psoDesc.PS.pShaderBytecode = ps->GetBufferPointer();
psoDesc.PS.BytecodeLength = ps->GetBufferSize();
psoDesc.RasterizerState = CD3DX12_RASTERIZER_DESC(D3DX12_DEFAULT);
psoDesc.BlendState = CD3DX12_BLEND_DESC(D3DX12_DEFAULT);
psoDesc.DepthStencilState.DepthEnable = false;
psoDesc.DepthStencilState.StencilEnable = false;
psoDesc.SampleMask = UINT_MAX;
psoDesc.NumRenderTargets = 1;
psoDesc.RTVFormats[0] = DXGI_FORMAT_R8G8B8A8_UNORM;
psoDesc.SampleDesc.Count = 1;
CHK(mDev->CreateGraphicsPipelineState(&psoDesc, IID_PPV_ARGS(mPso.ReleaseAndGetAddressOf())));
vs->Release();
ps->Release();
}
HRESULT STDMETHODCALLTYPE DXGIXAffinityCreateSingleWindowSwapChain(
IDXGISwapChain3* pSwapChain,
CD3DX12AffinityCommandQueue* pQueue,
CD3DX12AffinityDevice* pDevice,
DXGI_SWAP_CHAIN_DESC1* pDesc,
CDXGIAffinitySwapChain** ppSwapChain)
{
CD3DX12AffinityCommandQueue* AffinityQueue = static_cast<CD3DX12AffinityCommandQueue*>(pQueue);
CD3DX12AffinityDevice* AffinityDevice = static_cast<CD3DX12AffinityDevice*>(pDevice);
ID3D12Device* HostDevice = AffinityDevice->GetChildObject(0);
std::vector<CDXGIAffinitySwapChain::SDeviceContext> DeviceContexts;
DeviceContexts.reserve(AffinityDevice->GetDeviceCount());
for (UINT i = 0; i < AffinityDevice->GetDeviceCount(); ++i)
{
DeviceContexts.push_back(CDXGIAffinitySwapChain::SDeviceContext());
CDXGIAffinitySwapChain::SDeviceContext& DeviceContext = DeviceContexts.back();
DeviceContext.mDevice = AffinityDevice->GetChildObject(i);
DeviceContext.mDisplayCommandQueue = AffinityQueue->GetChildObject(i);
// Each device needs a command list and respective command allocator.
// This list will be used for submitting resource barriers and copies from the "dummy" rendertarget.
RETURN_IF_FAILED_WITH_ERROR_LOG(
DeviceContext.mDevice->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&DeviceContext.mDisplayCommandAllocator)),
"Failed to create command allocator during affinity swap chain setup.", AffinityDevice);
RETURN_IF_FAILED_WITH_ERROR_LOG(
DeviceContext.mDevice->CreateCommandList(
0, D3D12_COMMAND_LIST_TYPE_DIRECT, DeviceContext.mDisplayCommandAllocator,
nullptr, IID_PPV_ARGS(&DeviceContext.mDisplayCommandList)),
"Failed to create command list during affinity swap chain setup.", AffinityDevice);
// The device at index 0 is the "host" device, it uses it's own actual render targets
// and presents from this device occur in the usual fashion.
//
// For all devices index 1 and up, we need to create some fences and intermediate buffers
// to facilitate presents.
{
// Create the cross-adapter copy fence, used to control access to the cross-adapter copy buffer
RETURN_IF_FAILED_WITH_ERROR_LOG(
DeviceContext.mDevice->CreateFence(
0,
D3D12_FENCE_FLAG_SHARED | D3D12_FENCE_FLAG_SHARED_CROSS_ADAPTER,
IID_PPV_ARGS(&DeviceContext.mCrossAdapterCopyFence)),
"Failed to create fence during affinity swap chain setup.", AffinityDevice);
std::wstring Name = std::wstring(L"CrossAdapterCopyFence") + std::to_wstring(i);
RETURN_IF_FAILED(DeviceContext.mCrossAdapterCopyFence->SetName(Name.c_str()));
{
HANDLE CrossAdapterCopyFenceSharedHandle = nullptr;
RETURN_IF_FAILED_WITH_ERROR_LOG(
DeviceContext.mDevice->CreateSharedHandle(
DeviceContext.mCrossAdapterCopyFence,
nullptr,
GENERIC_ALL,
Name.c_str(),
&CrossAdapterCopyFenceSharedHandle),
"Failed to create shared handle to cross adapter copy fence during affinity swap chain setup.", AffinityDevice);
RETURN_IF_FAILED_WITH_ERROR_LOG(
HostDevice->OpenSharedHandle(CrossAdapterCopyFenceSharedHandle, IID_PPV_ARGS(&DeviceContext.mCrossAdapterCopyFenceOnHost)),
"Failed to open shared handle to cross adapter copy fence during affinity swap chain setup.", AffinityDevice);
Name = std::wstring(L"CrossAdapterCopyFenceOnHost") + std::to_wstring(i);
RETURN_IF_FAILED(DeviceContext.mCrossAdapterCopyFenceOnHost->SetName(L"CrossAdapterCopyFenceOnHost"));
}
// Create the "dummy" render targets and cross-adapter copy buffers.
// For a swap chain with (n) back buffers, we create (n) render targets and (n) cross-adapter copy buffers.
DeviceContext.mRenderTargets.reserve(pDesc->BufferCount);
DeviceContext.mCrossAdapterCopyBuffers.reserve(pDesc->BufferCount);
RETURN_IF_FAILED(CDXGIAffinitySwapChain::CreateDummyRenderTargetsAndCrossAdapterCopyBuffers(
i,
AffinityDevice,
HostDevice,
DeviceContext,
pDesc->Width,
pDesc->Height,
pDesc->Format,
pDesc->BufferCount
));
}
}
pSwapChain->AddRef();
CDXGIAffinitySwapChain* AffinityChain = new CDXGIAffinitySwapChain(AffinityDevice, AffinityQueue, &pSwapChain, 1);
if (AffinityDevice->GetAffinityMode() == EAffinityMode::LDA)
{
AffinityChain->mMode = EAffinitySwapChainMode::LDA;
}
else
{
AffinityChain->mMode = EAffinitySwapChainMode::SingleWindow;
}
AffinityChain->mDeviceContexts = DeviceContexts;
AffinityChain->mNumBackBuffers = pDesc->BufferCount;
AffinityChain->mHostDevice = HostDevice;
*ppSwapChain = AffinityChain;
return S_OK;
}
GPA_Status GPA_IMP_GetHWInfo(void* pContext, GPA_HWInfo* pHwInfo)
{
GPA_Status result = GPA_STATUS_OK;
if (nullptr == pContext)
{
GPA_LogError("Parameter 'pContext' is NULL.");
result = GPA_STATUS_ERROR_NULL_POINTER;
}
else if (nullptr == pHwInfo)
{
GPA_LogError("Parameter 'pHwInfo' is NULL.");
result = GPA_STATUS_ERROR_NULL_POINTER;
}
else
{
IUnknown* pUnknown = static_cast<IUnknown*>(pContext);
ID3D12GraphicsCommandList* pCommandList = nullptr;
HRESULT hr = pUnknown->QueryInterface(__uuidof(ID3D12GraphicsCommandList), reinterpret_cast<void**>(&pCommandList));
if (S_OK != hr)
{
GPA_LogError("Failed to get command list from context");
result = GPA_STATUS_ERROR_FAILED;
}
else
{
ID3D12Device* pDevice;
hr = pCommandList->GetDevice(__uuidof(ID3D12Device), reinterpret_cast<void**>(&pDevice));
if (S_OK != hr)
{
GPA_LogError("Failed to get device from command list");
result = GPA_STATUS_ERROR_FAILED;
}
else
{
DXGI_ADAPTER_DESC adapterDesc;
result = DX12GetAdapterDesc(pDevice, adapterDesc);
if (GPA_STATUS_OK != result)
{
GPA_LogError("Could not get adapter description, hardware cannot be supported.");
result = GPA_STATUS_ERROR_FAILED;
}
else
{
//get Time stamp frequency
gpa_uint64 freq = 0ull;
if (nullptr == g_pCurrentContext)
{
GPA_LogError("g_pCurrentContext is NULL.");
result = GPA_STATUS_ERROR_NULL_POINTER;
return result;
}
GetCurrentContext()->SetCommandList(pCommandList);
result = GetCurrentContext()->GetTimestampFrequency(freq);
if (GPA_STATUS_OK != result)
{
GPA_LogError("GetTimestampFrequency() failed.");
}
else
{
// For now it is assumed that DX12 MGPU support is exposed to the app
// and the app always opens the device on the correct GPU.
// In case where MGPU support hides the GPU from the app, then
// we will need to use DX12 MGPU extension (and possibly ADL util)
// to get the correct HW info
pHwInfo->SetVendorID(adapterDesc.VendorId);
// TODO: To enable running on WARP driver, fake a Bonaire HW ID if the device is the WARP device
if (0x8c == adapterDesc.DeviceId && AMD_VENDOR_ID == adapterDesc.VendorId)
{
pHwInfo->SetDeviceID(0x665C);
pHwInfo->SetRevisionID(0);
}
else
{
pHwInfo->SetVendorID(adapterDesc.VendorId);
pHwInfo->SetDeviceID(adapterDesc.DeviceId);
pHwInfo->SetRevisionID(adapterDesc.Revision);
}
std::wstring adapterNameW(adapterDesc.Description);
std::string adapterName(adapterNameW.begin(), adapterNameW.end());
pHwInfo->SetDeviceName(adapterName.c_str());
GDT_HW_GENERATION hwGen = GDT_HW_GENERATION_NONE;
if (NVIDIA_VENDOR_ID == adapterDesc.VendorId)
{
hwGen = GDT_HW_GENERATION_NVIDIA;
}
else if (INTEL_VENDOR_ID == adapterDesc.VendorId)
{
hwGen = GDT_HW_GENERATION_INTEL;
}
else if (AMD_VENDOR_ID == adapterDesc.VendorId)
{
AMDTDeviceInfoUtils::Instance()->GetHardwareGeneration(adapterDesc.DeviceId, hwGen);
}
pHwInfo->SetHWGeneration(hwGen);
pHwInfo->SetTimeStampFrequency(freq);
}
}
pDevice->Release();
}
pCommandList->Release();
}
}
return result;
}
GPA_Status GPA_IMP_VerifyHWSupport(void* pContext, GPA_HWInfo* pHwInfo)
{
GPA_Status result = GPA_STATUS_OK;
if ((nullptr == pContext) || (nullptr == pHwInfo))
{
result = GPA_STATUS_ERROR_FAILED;
}
else
{
IUnknown* pUnknown = static_cast<IUnknown*>(pContext);
ID3D12GraphicsCommandList* pCommandList = nullptr;
HRESULT hr = pUnknown->QueryInterface(__uuidof(ID3D12GraphicsCommandList), reinterpret_cast<void**>(&pCommandList));
if (S_OK != hr)
{
GPA_LogError("Failed to get command list from context");
result = GPA_STATUS_ERROR_FAILED;
}
else
{
ID3D12Device* pDevice;
hr = pCommandList->GetDevice(__uuidof(ID3D12Device), reinterpret_cast<void**>(&pDevice));
if (S_OK != hr)
{
GPA_LogError("Failed to get D3D12 device");
result = GPA_STATUS_ERROR_FAILED;
}
else
{
D3D12_FEATURE_DATA_FEATURE_LEVELS featureLevels;
static const D3D_FEATURE_LEVEL requestedFeatureLevels[] =
{
D3D_FEATURE_LEVEL_11_0,
D3D_FEATURE_LEVEL_11_1,
};
featureLevels.NumFeatureLevels =
(sizeof(requestedFeatureLevels) / sizeof(D3D_FEATURE_LEVEL));
featureLevels.pFeatureLevelsRequested = requestedFeatureLevels;
featureLevels.MaxSupportedFeatureLevel = D3D_FEATURE_LEVEL_11_1;
hr = pDevice->CheckFeatureSupport(
D3D12_FEATURE_FEATURE_LEVELS, &featureLevels, sizeof(featureLevels));
if (S_OK != hr)
{
GPA_LogError("Failed to get D3D12 device feature levels");
result = GPA_STATUS_ERROR_FAILED;
}
else
{
if (D3D_FEATURE_LEVEL_11_0 > featureLevels.MaxSupportedFeatureLevel)
{
result = GPA_STATUS_ERROR_HARDWARE_NOT_SUPPORTED;
}
else
{
// TODO Once DX12 performance extension is available, check
// it's possible to create a HW counter
}
}
pDevice->Release();
}
pCommandList->Release();
}
}
return result;
} // end of GPA_IMP_VerifyHwSupport
int BaseGraphicsState::Initialize(ID3D12Device& device, const GfxGraphicsStateDesc& desc)
{
D3D12_INPUT_ELEMENT_DESC elements[32];
SI_ASSERT(desc.m_inputElementCount < ArraySize(elements));
uint32_t elementCont = SI::Min((uint32_t)desc.m_inputElementCount, (uint32_t)ArraySize(elements));
for(uint32_t e=0; e<elementCont; ++e)
{
D3D12_INPUT_ELEMENT_DESC& outElem = elements[e];
const GfxInputElement& inElem = desc.m_inputElements[e];
outElem.SemanticName = inElem.m_semanticsName;
outElem.SemanticIndex = inElem.m_semanticsId;
outElem.Format = SI::GetDx12Format(inElem.m_format);
outElem.InputSlot = inElem.m_inputSlot;
outElem.AlignedByteOffset = inElem.m_alignedByteOffset;
outElem.InputSlotClass = D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA;
outElem.InstanceDataStepRate = 0;
}
const BaseShader* vertexShader = desc.m_vertexShader->GetBaseShader();
const BaseShader* pixelShader = desc.m_pixelShader->GetBaseShader();
D3D12_GRAPHICS_PIPELINE_STATE_DESC psoDesc = {};
psoDesc.InputLayout = { elements, elementCont };
psoDesc.pRootSignature = desc.m_rootSignature->GetBaseRootSignature()->GetComPtrRootSignature().Get();
psoDesc.VS.pShaderBytecode = vertexShader? vertexShader->GetBinary() : nullptr;
psoDesc.VS.BytecodeLength = vertexShader? vertexShader->GetBinarySize() : 0;
psoDesc.PS.pShaderBytecode = pixelShader? pixelShader->GetBinary() : nullptr;
psoDesc.PS.BytecodeLength = pixelShader? pixelShader->GetBinarySize() : 0;
psoDesc.RasterizerState.FillMode = GetDx12FillMode(desc.m_fillMode);
psoDesc.RasterizerState.CullMode = GetDx12CullMode(desc.m_cullMode);
psoDesc.RasterizerState.FrontCounterClockwise = desc.m_frontCounterClockwise? TRUE : FALSE;
psoDesc.RasterizerState.DepthBias = desc.m_depthBias;
psoDesc.RasterizerState.DepthBiasClamp = desc.m_depthBiasClamp;
psoDesc.RasterizerState.SlopeScaledDepthBias = desc.m_slopeScaledDepthBias;
psoDesc.RasterizerState.DepthClipEnable = TRUE;
psoDesc.RasterizerState.MultisampleEnable = FALSE;
psoDesc.RasterizerState.AntialiasedLineEnable = FALSE;
psoDesc.RasterizerState.ForcedSampleCount = 0;
psoDesc.RasterizerState.ConservativeRaster = D3D12_CONSERVATIVE_RASTERIZATION_MODE_OFF;
psoDesc.SampleMask = UINT_MAX;
psoDesc.PrimitiveTopologyType = GetDx12PrimitiveTopologyType(desc.m_primitiveTopologyType);
psoDesc.SampleDesc.Count = 1;
psoDesc.NumRenderTargets = desc.m_renderTargetCount;
psoDesc.BlendState.AlphaToCoverageEnable = FALSE;
psoDesc.BlendState.IndependentBlendEnable = FALSE;
psoDesc.DepthStencilState.DepthEnable = desc.m_depthEnable? TRUE : FALSE;
psoDesc.DepthStencilState.StencilEnable = desc.m_stencilEnable? TRUE : FALSE;
if(psoDesc.DepthStencilState.DepthEnable)
{
psoDesc.DepthStencilState.DepthWriteMask = GetDx12DepthWriteMask(desc.m_depthWriteMask);
psoDesc.DepthStencilState.DepthFunc = GetDx12ComparisonFunc(desc.m_depthFunc);
}
SI_ASSERT(desc.m_renderTargetCount <= D3D12_SIMULTANEOUS_RENDER_TARGET_COUNT);
UINT blendRtCount = psoDesc.BlendState.IndependentBlendEnable? psoDesc.NumRenderTargets : 1;
for (UINT rt = 0; rt<blendRtCount; ++rt)
{
D3D12_RENDER_TARGET_BLEND_DESC& outBlend = psoDesc.BlendState.RenderTarget[rt];
const GfxRenderTargetBlendDesc& inBlend = desc.m_rtvBlend[rt];
outBlend.BlendEnable = inBlend.m_blendEnable? TRUE : FALSE;
outBlend.LogicOpEnable = inBlend.m_logicOpEnable? TRUE : FALSE;
outBlend.SrcBlend = GetDx12Blend(inBlend.m_srcBlend);
outBlend.DestBlend = GetDx12Blend(inBlend.m_destBlend);
outBlend.BlendOp = GetDx12BlendOp(inBlend.m_blendOp);
outBlend.SrcBlendAlpha = GetDx12Blend(inBlend.m_srcBlendAlpha);
outBlend.DestBlendAlpha = GetDx12Blend(inBlend.m_destBlendAlpha);
outBlend.BlendOpAlpha = GetDx12BlendOp(inBlend.m_blendOpAlpha);
outBlend.LogicOp = GetDx12LogicOp(inBlend.m_logicOp);
outBlend.RenderTargetWriteMask = GetDx12RenderTargetWriteMask(inBlend.m_rtWriteMask);
}
for (UINT rt = 0; rt<psoDesc.NumRenderTargets; ++rt)
{
psoDesc.RTVFormats[rt] = GetDx12Format(desc.m_rtvFormats[rt]);
}
psoDesc.DSVFormat = GetDx12Format(desc.m_dsvFormat);
HRESULT hr = device.CreateGraphicsPipelineState(&psoDesc, IID_PPV_ARGS(&m_pipelineState));
if(FAILED(hr))
{
SI_ASSERT(0);
return -1;
}
if(desc.m_name)
{
wchar_t wName[64];
wName[0] = 0;
size_t num = 0;
errno_t ret = mbstowcs_s(&num, wName, desc.m_name, ArraySize(wName));
if(ret == 0)
{
m_pipelineState->SetName(wName);
}
}
return 0;
}
D3D(int width, int height, HWND hWnd)
: mBufferWidth(width), mBufferHeight(height), mDev(nullptr)
{
{
#if _DEBUG
CHK(CreateDXGIFactory2(DXGI_CREATE_FACTORY_DEBUG, IID_PPV_ARGS(mDxgiFactory.ReleaseAndGetAddressOf())));
#else
CHK(CreateDXGIFactory2(0, IID_PPV_ARGS(mDxgiFactory.ReleaseAndGetAddressOf())));
#endif /* _DEBUG */
}
#if _DEBUG
ID3D12Debug* debug = nullptr;
D3D12GetDebugInterface(IID_PPV_ARGS(&debug));
if (debug)
{
debug->EnableDebugLayer();
debug->Release();
debug = nullptr;
}
#endif /* _DEBUG */
ID3D12Device* dev;
CHK(D3D12CreateDevice(
nullptr,
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&dev)));
mDev = dev;
CHK(mDev->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(mCmdAlloc.ReleaseAndGetAddressOf())));
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
CHK(mDev->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(mCmdQueue.ReleaseAndGetAddressOf())));
DXGI_SWAP_CHAIN_DESC1 scDesc = {};
scDesc.Width = width;
scDesc.Height = height;
scDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
scDesc.SampleDesc.Count = 1;
scDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
scDesc.BufferCount = BUFFER_COUNT;
scDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
CHK(mDxgiFactory->CreateSwapChainForHwnd(mCmdQueue.Get(), hWnd, &scDesc, nullptr, nullptr, mSwapChain.ReleaseAndGetAddressOf()));
CHK(mDev->CreateCommandList(
0,
D3D12_COMMAND_LIST_TYPE_DIRECT,
mCmdAlloc.Get(),
nullptr,
IID_PPV_ARGS(mCmdList.ReleaseAndGetAddressOf())));
CHK(mDev->CreateFence(0, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(mFence.ReleaseAndGetAddressOf())));
mFenceEveneHandle = CreateEvent(nullptr, FALSE, FALSE, nullptr);
for (int i = 0; i < BUFFER_COUNT; i++)
{
CHK(mSwapChain->GetBuffer(i, IID_PPV_ARGS(mD3DBuffer[i].ReleaseAndGetAddressOf())));
mD3DBuffer[i]->SetName(L"SwapChain_Buffer");
}
{
D3D12_DESCRIPTOR_HEAP_DESC desc = {};
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
desc.NumDescriptors = 10;
desc.NodeMask = 0;
CHK(mDev->CreateDescriptorHeap(&desc, IID_PPV_ARGS(mDescHeapRtv.ReleaseAndGetAddressOf())));
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_DSV;
desc.NumDescriptors = 10;
desc.NodeMask = 0;
CHK(mDev->CreateDescriptorHeap(&desc, IID_PPV_ARGS(mDescHeapDsv.ReleaseAndGetAddressOf())));
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
desc.NumDescriptors = 100;
desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
desc.NodeMask = 0;
CHK(mDev->CreateDescriptorHeap(&desc, IID_PPV_ARGS(mDescHeapCbvSrvUav.ReleaseAndGetAddressOf())));
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_SAMPLER;
desc.NumDescriptors = 100;
desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
desc.NodeMask = 0;
CHK(mDev->CreateDescriptorHeap(&desc, IID_PPV_ARGS(mDescHeapSampler.ReleaseAndGetAddressOf())));
}
auto rtvStep = mDev->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
for (auto i = 0u; i < BUFFER_COUNT; i++)
{
auto d = mDescHeapRtv->GetCPUDescriptorHandleForHeapStart();
d.ptr += i * rtvStep;
mDev->CreateRenderTargetView(mD3DBuffer[i].Get(), nullptr, d);
}
{
CD3DX12_DESCRIPTOR_RANGE descRange1[2];
descRange1[0].Init(D3D12_DESCRIPTOR_RANGE_TYPE_CBV, 1, 0);
descRange1[1].Init(D3D12_DESCRIPTOR_RANGE_TYPE_SRV, 1, 0);
CD3DX12_DESCRIPTOR_RANGE descRange2[1];
descRange2[0].Init(D3D12_DESCRIPTOR_RANGE_TYPE_SAMPLER, 1, 0);
CD3DX12_ROOT_PARAMETER rootParam[2];
rootParam[0].InitAsDescriptorTable(ARRAYSIZE(descRange1), descRange1);
rootParam[1].InitAsDescriptorTable(ARRAYSIZE(descRange2), descRange2, D3D12_SHADER_VISIBILITY_PIXEL);
ID3D10Blob *sig, *info;
auto rootSigDesc = D3D12_ROOT_SIGNATURE_DESC();
rootSigDesc.NumParameters = ARRAYSIZE(rootParam);
rootSigDesc.NumStaticSamplers = 0;
rootSigDesc.pParameters = rootParam;
rootSigDesc.pStaticSamplers = nullptr;
rootSigDesc.Flags = D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT;
CHK(D3D12SerializeRootSignature(&rootSigDesc, D3D_ROOT_SIGNATURE_VERSION_1, &sig, &info));
mDev->CreateRootSignature(
0,
sig->GetBufferPointer(),
sig->GetBufferSize(),
IID_PPV_ARGS(mRootSignature.ReleaseAndGetAddressOf()));
sig->Release();
}
ID3D10Blob *vs, *ps;
{
ID3D10Blob *info;
UINT flag = 0;
#if _DEBUG
flag |= D3DCOMPILE_DEBUG;
#endif /* _DEBUG */
CHK(D3DCompileFromFile(L"MeshTex.hlsl", nullptr, nullptr, "VSMain", "vs_5_0", flag, 0, &vs, &info));
CHK(D3DCompileFromFile(L"MeshTex.hlsl", nullptr, nullptr, "PSMain", "ps_5_0", flag, 0, &ps, &info));
}
D3D12_INPUT_ELEMENT_DESC inputLayout[] = {
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
{ "NORMAL", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 12, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 24, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
};
D3D12_GRAPHICS_PIPELINE_STATE_DESC psoDesc = {};
psoDesc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE;
psoDesc.InputLayout.NumElements = 3;
psoDesc.InputLayout.pInputElementDescs = inputLayout;
psoDesc.IBStripCutValue = D3D12_INDEX_BUFFER_STRIP_CUT_VALUE_DISABLED;
psoDesc.pRootSignature = mRootSignature.Get();
psoDesc.VS.pShaderBytecode = vs->GetBufferPointer();
psoDesc.VS.BytecodeLength = vs->GetBufferSize();
psoDesc.PS.pShaderBytecode = ps->GetBufferPointer();
psoDesc.PS.BytecodeLength = ps->GetBufferSize();
psoDesc.RasterizerState = CD3DX12_RASTERIZER_DESC(D3DX12_DEFAULT);
psoDesc.BlendState = CD3DX12_BLEND_DESC(D3DX12_DEFAULT);
psoDesc.DepthStencilState.DepthEnable = true;
psoDesc.DepthStencilState.DepthFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL;
psoDesc.DepthStencilState.DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ALL;
psoDesc.DepthStencilState.StencilEnable = false;
psoDesc.SampleMask = UINT_MAX;
psoDesc.NumRenderTargets = 1;
psoDesc.RTVFormats[0] = DXGI_FORMAT_R8G8B8A8_UNORM;
psoDesc.DSVFormat = DXGI_FORMAT_D32_FLOAT;
psoDesc.SampleDesc.Count = 1;
CHK(mDev->CreateGraphicsPipelineState(&psoDesc, IID_PPV_ARGS(mPso.ReleaseAndGetAddressOf())));
vs->Release();
ps->Release();
WaveFrontReader<uint16_t> mesh;
CHK(mesh.Load(L"teapot_tex2.obj"));
mIndexCount = static_cast<UINT>(mesh.indices.size());
mVBIndexOffset = static_cast<UINT>(sizeof(mesh.vertices[0]) * mesh.vertices.size());
UINT IBSize = static_cast<UINT>(sizeof(mesh.indices[0]) * mIndexCount);
void* vbData = mesh.vertices.data();
void* ibData = mesh.indices.data();
CHK(mDev->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer(mVBIndexOffset + IBSize),
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(mVB.ReleaseAndGetAddressOf())));
mVB->SetName(L"VertexBuffer");
char* vbUploadPtr = nullptr;
CHK(mVB->Map(0, nullptr, reinterpret_cast<void**>(&vbUploadPtr)));
memcpy_s(vbUploadPtr, mVBIndexOffset, vbData, mVBIndexOffset);
memcpy_s(vbUploadPtr + mVBIndexOffset, IBSize, ibData, IBSize);
mVB->Unmap(0, nullptr);
mVBView.BufferLocation = mVB->GetGPUVirtualAddress();
mVBView.StrideInBytes = sizeof(mesh.vertices[0]);
mVBView.SizeInBytes = mVBIndexOffset;
mIBView.BufferLocation = mVB->GetGPUVirtualAddress() + mVBIndexOffset;
mIBView.Format = DXGI_FORMAT_R16_UINT;
mIBView.SizeInBytes = IBSize;
auto resourceDesc = CD3DX12_RESOURCE_DESC::Tex2D(
DXGI_FORMAT_R32_TYPELESS, mBufferWidth, mBufferHeight, 1, 1, 1, 0, D3D12_RESOURCE_FLAG_ALLOW_DEPTH_STENCIL,
D3D12_TEXTURE_LAYOUT_UNKNOWN, 0);
D3D12_CLEAR_VALUE dsvClearValue;
dsvClearValue.Format = DXGI_FORMAT_D32_FLOAT;
dsvClearValue.DepthStencil.Depth = 1.0f;
dsvClearValue.DepthStencil.Stencil = 0;
CHK(mDev->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT), // No need to read/write by CPU
D3D12_HEAP_FLAG_NONE,
&resourceDesc,
D3D12_RESOURCE_STATE_DEPTH_WRITE,
&dsvClearValue,
IID_PPV_ARGS(mDB.ReleaseAndGetAddressOf())));
mDB->SetName(L"DepthTexture");
D3D12_DEPTH_STENCIL_VIEW_DESC dsvDesc = {};
dsvDesc.ViewDimension = D3D12_DSV_DIMENSION_TEXTURE2D;
dsvDesc.Format = DXGI_FORMAT_D32_FLOAT;
dsvDesc.Texture2D.MipSlice = 0;
dsvDesc.Flags = D3D12_DSV_FLAG_NONE;
mDev->CreateDepthStencilView(mDB.Get(), &dsvDesc, mDescHeapDsv->GetCPUDescriptorHandleForHeapStart());
CHK(mDev->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer(D3D12_CONSTANT_BUFFER_DATA_PLACEMENT_ALIGNMENT),
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(mCB.ReleaseAndGetAddressOf())));
mCB->SetName(L"ConstantBuffer");
D3D12_CONSTANT_BUFFER_VIEW_DESC cbvDesc = {};
cbvDesc.BufferLocation = mCB->GetGPUVirtualAddress();
cbvDesc.SizeInBytes = D3D12_CONSTANT_BUFFER_DATA_PLACEMENT_ALIGNMENT; // must be a multiple of 256
mDev->CreateConstantBufferView(
&cbvDesc,
mDescHeapCbvSrvUav->GetCPUDescriptorHandleForHeapStart());
CHK(mCB->Map(0, nullptr, reinterpret_cast<void**>(&mCBUploadPtr)));
{
// Read DDS file
vector<char> texData(4 * 256 * 256);
ifstream ifs("cat.dds", ios::binary);
if (!ifs)
throw runtime_error("Texture not found.");
ifs.seekg(128, ios::beg); // Skip DDS header
ifs.read(texData.data(), texData.size());
resourceDesc = CD3DX12_RESOURCE_DESC::Tex2D(
DXGI_FORMAT_B8G8R8A8_UNORM, 256, 256, 1, 1, 1, 0, D3D12_RESOURCE_FLAG_NONE,
D3D12_TEXTURE_LAYOUT_UNKNOWN, 0);
CHK(mDev->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE,
&resourceDesc,
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(mTex.ReleaseAndGetAddressOf())));
mTex->SetName(L"Texure");
D3D12_BOX box = {};
box.right = 256;
box.bottom = 256;
box.back = 1;
CHK(mTex->WriteToSubresource(0, &box, texData.data(), 4 * 256, 4 * 256 * 256));
}
D3D12_SHADER_RESOURCE_VIEW_DESC srvDesc = {};
srvDesc.Format = DXGI_FORMAT_B8G8R8A8_UNORM;
srvDesc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2D;
srvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
srvDesc.Texture2D.MipLevels = 1;
srvDesc.Texture2D.MostDetailedMip = 0; // No MIP
srvDesc.Texture2D.PlaneSlice = 0;
srvDesc.Texture2D.ResourceMinLODClamp = 0.0f;
auto cbvSrcUavDescHandle = mDescHeapCbvSrvUav->GetCPUDescriptorHandleForHeapStart();
auto cbvSrvUavDescStep = mDev->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
cbvSrcUavDescHandle.ptr += cbvSrvUavDescStep;
mDev->CreateShaderResourceView(mTex.Get(), &srvDesc, cbvSrcUavDescHandle);
D3D12_SAMPLER_DESC samplerDesc;
samplerDesc.Filter = D3D12_FILTER_MIN_MAG_MIP_LINEAR;
samplerDesc.AddressU = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
samplerDesc.AddressV = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
samplerDesc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_CLAMP;
samplerDesc.MinLOD = -FLT_MAX;
samplerDesc.MaxLOD = FLT_MAX;
samplerDesc.MipLODBias = 0;
samplerDesc.MaxAnisotropy = 0;
samplerDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_NEVER;
mDev->CreateSampler(&samplerDesc, mDescHeapSampler->GetCPUDescriptorHandleForHeapStart());
}
D3D(int width, int height, HWND hWnd)
: mBufferWidth(width), mBufferHeight(height), mDev(nullptr)
{
{
#if _DEBUG
CHK(CreateDXGIFactory2(DXGI_CREATE_FACTORY_DEBUG, IID_PPV_ARGS(mDxgiFactory.ReleaseAndGetAddressOf())));
#else
CHK(CreateDXGIFactory2(0, IID_PPV_ARGS(mDxgiFactory.ReleaseAndGetAddressOf())));
#endif /* _DEBUG */
}
#if _DEBUG
ID3D12Debug* debug = nullptr;
D3D12GetDebugInterface(IID_PPV_ARGS(&debug));
if (debug)
{
debug->EnableDebugLayer();
debug->Release();
debug = nullptr;
}
#endif /* _DEBUG */
ID3D12Device* dev;
CHK(D3D12CreateDevice(
nullptr,
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&dev)));
mDev = dev;
for (auto& a : mCmdAlloc)
{
CHK(mDev->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(a.ReleaseAndGetAddressOf())));
}
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
CHK(mDev->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(mCmdQueue.ReleaseAndGetAddressOf())));
DXGI_SWAP_CHAIN_DESC1 scDesc = {};
scDesc.Width = width;
scDesc.Height = height;
scDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
scDesc.SampleDesc.Count = 1;
scDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
scDesc.BufferCount = BUFFER_COUNT;
scDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
CHK(mDxgiFactory->CreateSwapChainForHwnd(mCmdQueue.Get(), hWnd, &scDesc, nullptr, nullptr, mSwapChain.ReleaseAndGetAddressOf()));
CHK(mDev->CreateCommandList(
0,
D3D12_COMMAND_LIST_TYPE_DIRECT,
mCmdAlloc[0].Get(),
nullptr,
IID_PPV_ARGS(mCmdList.ReleaseAndGetAddressOf())));
mCmdList->Close();
CHK(mDev->CreateFence(0, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(mFence.ReleaseAndGetAddressOf())));
mFenceEveneHandle = CreateEvent(nullptr, FALSE, FALSE, nullptr);
for (int i = 0; i < BUFFER_COUNT; i++)
{
CHK(mSwapChain->GetBuffer(i, IID_PPV_ARGS(mD3DBuffer[i].ReleaseAndGetAddressOf())));
mD3DBuffer[i]->SetName(L"SwapChain_Buffer");
}
{
D3D12_DESCRIPTOR_HEAP_DESC desc = {};
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
desc.NumDescriptors = 10;
desc.NodeMask = 0;
CHK(mDev->CreateDescriptorHeap(&desc, IID_PPV_ARGS(mDescHeapRtv.ReleaseAndGetAddressOf())));
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_DSV;
desc.NumDescriptors = 10;
desc.NodeMask = 0;
CHK(mDev->CreateDescriptorHeap(&desc, IID_PPV_ARGS(mDescHeapDsv.ReleaseAndGetAddressOf())));
desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
desc.NumDescriptors = 100;
desc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
desc.NodeMask = 0;
for (auto& c : mDescHeapCbvSrvUav)
{
CHK(mDev->CreateDescriptorHeap(&desc, IID_PPV_ARGS(c.ReleaseAndGetAddressOf())));
}
}
auto rtvStep = mDev->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
for (auto i = 0u; i < BUFFER_COUNT; i++)
{
auto d = mDescHeapRtv->GetCPUDescriptorHandleForHeapStart();
d.ptr += i * rtvStep;
mDev->CreateRenderTargetView(mD3DBuffer[i].Get(), nullptr, d);
}
{
CD3DX12_DESCRIPTOR_RANGE descRange1[1];
descRange1[0].Init(D3D12_DESCRIPTOR_RANGE_TYPE_CBV, 1, 0);
CD3DX12_ROOT_PARAMETER rootParam[1];
rootParam[0].InitAsDescriptorTable(ARRAYSIZE(descRange1), descRange1);
ID3D10Blob *sig, *info;
auto rootSigDesc = D3D12_ROOT_SIGNATURE_DESC();
rootSigDesc.NumParameters = 1;
rootSigDesc.NumStaticSamplers = 0;
rootSigDesc.pParameters = rootParam;
rootSigDesc.pStaticSamplers = nullptr;
rootSigDesc.Flags = D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT;
CHK(D3D12SerializeRootSignature(&rootSigDesc, D3D_ROOT_SIGNATURE_VERSION_1, &sig, &info));
mDev->CreateRootSignature(
0,
sig->GetBufferPointer(),
sig->GetBufferSize(),
IID_PPV_ARGS(mRootSignature.ReleaseAndGetAddressOf()));
sig->Release();
}
ID3D10Blob *vs, *ps;
{
ID3D10Blob *info;
UINT flag = 0;
#if _DEBUG
flag |= D3DCOMPILE_DEBUG;
#endif /* _DEBUG */
CHK(D3DCompileFromFile(L"../Mesh/Mesh.hlsl", nullptr, nullptr, "VSMain", "vs_5_0", flag, 0, &vs, &info));
CHK(D3DCompileFromFile(L"../Mesh/Mesh.hlsl", nullptr, nullptr, "PSMain", "ps_5_0", flag, 0, &ps, &info));
}
D3D12_INPUT_ELEMENT_DESC inputLayout[] = {
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
{ "NORMAL", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 12, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
{ "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 24, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 },
};
D3D12_GRAPHICS_PIPELINE_STATE_DESC psoDesc = {};
psoDesc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE;
psoDesc.InputLayout.NumElements = 3;
psoDesc.InputLayout.pInputElementDescs = inputLayout;
psoDesc.IBStripCutValue = D3D12_INDEX_BUFFER_STRIP_CUT_VALUE_DISABLED;
psoDesc.pRootSignature = mRootSignature.Get();
psoDesc.VS.pShaderBytecode = vs->GetBufferPointer();
psoDesc.VS.BytecodeLength = vs->GetBufferSize();
psoDesc.PS.pShaderBytecode = ps->GetBufferPointer();
psoDesc.PS.BytecodeLength = ps->GetBufferSize();
psoDesc.RasterizerState = CD3DX12_RASTERIZER_DESC(D3DX12_DEFAULT);
psoDesc.BlendState = CD3DX12_BLEND_DESC(D3DX12_DEFAULT);
psoDesc.DepthStencilState.DepthEnable = true;
psoDesc.DepthStencilState.DepthFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL;
psoDesc.DepthStencilState.DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ALL;
psoDesc.DepthStencilState.StencilEnable = false;
psoDesc.SampleMask = UINT_MAX;
psoDesc.NumRenderTargets = 1;
psoDesc.RTVFormats[0] = DXGI_FORMAT_R8G8B8A8_UNORM;
psoDesc.DSVFormat = DXGI_FORMAT_D32_FLOAT;
psoDesc.SampleDesc.Count = 1;
CHK(mDev->CreateGraphicsPipelineState(&psoDesc, IID_PPV_ARGS(mPso.ReleaseAndGetAddressOf())));
vs->Release();
ps->Release();
WaveFrontReader<uint16_t> mesh;
CHK(mesh.Load(L"../Mesh/teapot.obj"));
mIndexCount = static_cast<UINT>(mesh.indices.size());
mVBIndexOffset = static_cast<UINT>(sizeof(mesh.vertices[0]) * mesh.vertices.size());
UINT IBSize = static_cast<UINT>(sizeof(mesh.indices[0]) * mIndexCount);
void* vbData = mesh.vertices.data();
void* ibData = mesh.indices.data();
CHK(mDev->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer(mVBIndexOffset + IBSize),
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(mVB.ReleaseAndGetAddressOf())));
mVB->SetName(L"VertexBuffer");
char* vbUploadPtr = nullptr;
CHK(mVB->Map(0, nullptr, reinterpret_cast<void**>(&vbUploadPtr)));
memcpy_s(vbUploadPtr, mVBIndexOffset, vbData, mVBIndexOffset);
memcpy_s(vbUploadPtr + mVBIndexOffset, IBSize, ibData, IBSize);
mVB->Unmap(0, nullptr);
mVBView.BufferLocation = mVB->GetGPUVirtualAddress();
mVBView.StrideInBytes = sizeof(mesh.vertices[0]);
mVBView.SizeInBytes = mVBIndexOffset;
mIBView.BufferLocation = mVB->GetGPUVirtualAddress() + mVBIndexOffset;
mIBView.Format = DXGI_FORMAT_R16_UINT;
mIBView.SizeInBytes = IBSize;
auto resourceDesc = CD3DX12_RESOURCE_DESC::Tex2D(
DXGI_FORMAT_R32_TYPELESS, mBufferWidth, mBufferHeight, 1, 1, 1, 0, D3D12_RESOURCE_FLAG_ALLOW_DEPTH_STENCIL,
D3D12_TEXTURE_LAYOUT_UNKNOWN, 0);
D3D12_CLEAR_VALUE dsvClearValue;
dsvClearValue.Format = DXGI_FORMAT_D32_FLOAT;
dsvClearValue.DepthStencil.Depth = 1.0f;
dsvClearValue.DepthStencil.Stencil = 0;
CHK(mDev->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT), // No need to read/write by CPU
D3D12_HEAP_FLAG_NONE,
&resourceDesc,
D3D12_RESOURCE_STATE_DEPTH_WRITE,
&dsvClearValue,
IID_PPV_ARGS(mDB.ReleaseAndGetAddressOf())));
mDB->SetName(L"DepthTexture");
D3D12_DEPTH_STENCIL_VIEW_DESC dsvDesc = {};
dsvDesc.ViewDimension = D3D12_DSV_DIMENSION_TEXTURE2D;
dsvDesc.Format = DXGI_FORMAT_D32_FLOAT;
dsvDesc.Texture2D.MipSlice = 0;
dsvDesc.Flags = D3D12_DSV_FLAG_NONE;
mDev->CreateDepthStencilView(mDB.Get(), &dsvDesc, mDescHeapDsv->GetCPUDescriptorHandleForHeapStart());
#define CB_SIZE 256
UINT cbSize = CB_SIZE;
assert((cbSize % D3D12_CONSTANT_BUFFER_DATA_PLACEMENT_ALIGNMENT) == 0);
CHK(mDev->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer(cbSize * MaxFrameLatency),
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(mCB.ReleaseAndGetAddressOf())));
mCB->SetName(L"ConstantBuffer");
for (auto i = 0u; i < MaxFrameLatency; ++i)
{
D3D12_CONSTANT_BUFFER_VIEW_DESC cbvDesc = {};
cbvDesc.BufferLocation = mCB->GetGPUVirtualAddress() + i * cbSize;
cbvDesc.SizeInBytes = cbSize;
mDev->CreateConstantBufferView(
&cbvDesc,
mDescHeapCbvSrvUav[i]->GetCPUDescriptorHandleForHeapStart());
}
CHK(mCB->Map(0, nullptr, reinterpret_cast<void**>(&mCBUploadPtr)));
// Create D3D11
UINT flags = D3D11_CREATE_DEVICE_BGRA_SUPPORT;
auto featureLevel = D3D_FEATURE_LEVEL_11_0;
auto cmdQueue = static_cast<IUnknown*>(mCmdQueue.Get());
#if _DEBUG
flags |= D3D11_CREATE_DEVICE_DEBUG;
#endif /* _DEBUG */
CHK(D3D11On12CreateDevice(
static_cast<IUnknown*>(mDev),
flags,
&featureLevel,
1,
&cmdQueue,
1,
0,
mDev11.ReleaseAndGetAddressOf(),
mDevCont11.ReleaseAndGetAddressOf(),
nullptr));
CHK(mDev11.As(&mDev11on12));
D3D11_RESOURCE_FLAGS backBuffer11Flags = {};
backBuffer11Flags.BindFlags = D3D11_BIND_RENDER_TARGET;
for (int i = 0; i < BUFFER_COUNT; i++)
{
CHK(mDev11on12->CreateWrappedResource(
mD3DBuffer[i].Get(),
&backBuffer11Flags,
D3D12_RESOURCE_STATE_RENDER_TARGET,
D3D12_RESOURCE_STATE_RENDER_TARGET,
IID_PPV_ARGS(&mBackBuffer11Tex[i])));
D3D11_TEXTURE2D_DESC texDesc;
mBackBuffer11Tex[i]->GetDesc(&texDesc);
D3D11_RENDER_TARGET_VIEW_DESC rtvDesc;
rtvDesc.ViewDimension = D3D11_RTV_DIMENSION_TEXTURE2D;
rtvDesc.Format = texDesc.Format;
rtvDesc.Texture2D.MipSlice = 0;
CHK(mDev11->CreateRenderTargetView(
mBackBuffer11Tex[i].Get(),
&rtvDesc,
mBackBuffer11Rtv[i].ReleaseAndGetAddressOf()));
}
}
void Draw()
{
mFrameCount++;
// Upload constant buffer
{
static float rot = 0.0f;
rot += 1.0f;
if (rot >= 360.0f) rot = 0.0f;
XMMATRIX worldMat, viewMat, projMat;
worldMat = XMMatrixRotationY(XMConvertToRadians(rot));
viewMat = XMMatrixLookAtLH({ 0, 1, -1.5f }, { 0, 0.5f, 0 }, { 0, 1, 0 });
projMat = XMMatrixPerspectiveFovLH(45, (float)mBufferWidth / mBufferHeight, 0.01f, 50.0f);
auto mvpMat = XMMatrixTranspose(worldMat * viewMat * projMat);
auto worldTransMat = XMMatrixTranspose(worldMat);
// mCBUploadPtr is Write-Combine memory
memcpy_s(mCBUploadPtr, 64, &mvpMat, 64);
memcpy_s(reinterpret_cast<char*>(mCBUploadPtr) + 64, 64, &worldTransMat, 64);
}
// Get current RTV descriptor
auto descHandleRtvStep = mDev->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
D3D12_CPU_DESCRIPTOR_HANDLE descHandleRtv = mDescHeapRtv->GetCPUDescriptorHandleForHeapStart();
descHandleRtv.ptr += ((mFrameCount - 1) % BUFFER_COUNT) * descHandleRtvStep;
// Get current swap chain
ID3D12Resource* d3dBuffer = mD3DBuffer[(mFrameCount - 1) % BUFFER_COUNT].Get();
// Get DSV
auto descHandleDsv = mDescHeapDsv->GetCPUDescriptorHandleForHeapStart();
// Barrier Present -> RenderTarget
setResourceBarrier(mCmdList.Get(), d3dBuffer, D3D12_RESOURCE_STATE_PRESENT, D3D12_RESOURCE_STATE_RENDER_TARGET);
// Viewport & Scissor
D3D12_VIEWPORT viewport = {};
viewport.Width = (float)mBufferWidth;
viewport.Height = (float)mBufferHeight;
viewport.MinDepth = 0.0f;
viewport.MaxDepth = 1.0f;
mCmdList->RSSetViewports(1, &viewport);
D3D12_RECT scissor = {};
scissor.right = (LONG)mBufferWidth;
scissor.bottom = (LONG)mBufferHeight;
mCmdList->RSSetScissorRects(1, &scissor);
// Clear DepthTexture
mCmdList->ClearDepthStencilView(descHandleDsv, D3D12_CLEAR_FLAG_DEPTH, 1.0f, 0, 0, nullptr);
// Clear
{
float clearColor[4] = { 0.1f, 0.2f, 0.3f, 1.0f };
mCmdList->ClearRenderTargetView(descHandleRtv, clearColor, 0, nullptr);
}
mCmdList->OMSetRenderTargets(1, &descHandleRtv, true, &descHandleDsv);
// Draw
mCmdList->SetGraphicsRootSignature(mRootSignature.Get());
ID3D12DescriptorHeap* descHeaps[] = { mDescHeapCbvSrvUav.Get() };
mCmdList->SetDescriptorHeaps(ARRAYSIZE(descHeaps), descHeaps);
{
mCmdList->SetGraphicsRootDescriptorTable(0, mDescHeapCbvSrvUav->GetGPUDescriptorHandleForHeapStart());
mCmdList->SetPipelineState(mPso.Get());
mCmdList->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
mCmdList->IASetVertexBuffers(0, 1, &mVBView);
mCmdList->IASetIndexBuffer(&mIBView);
mCmdList->DrawIndexedInstanced(mIndexCount, 1, 0, 0, 0);
}
// Barrier RenderTarget -> Present
setResourceBarrier(mCmdList.Get(), d3dBuffer, D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_PRESENT);
// Exec
CHK(mCmdList->Close());
ID3D12CommandList* const cmdList = mCmdList.Get();
mCmdQueue->ExecuteCommandLists(1, &cmdList);
// Present
CHK(mSwapChain->Present(1, 0));
// Set queue flushed event
CHK(mFence->SetEventOnCompletion(mFrameCount, mFenceEveneHandle));
// Wait for queue flushed
// This code would occur CPU stall!
CHK(mCmdQueue->Signal(mFence.Get(), mFrameCount));
DWORD wait = WaitForSingleObject(mFenceEveneHandle, 10000);
if (wait != WAIT_OBJECT_0)
throw runtime_error("Failed WaitForSingleObject().");
CHK(mCmdAlloc->Reset());
CHK(mCmdList->Reset(mCmdAlloc.Get(), nullptr));
}