void Cloud::Renderer::DebugRenderer::RecordCommandList(ID3D12GraphicsCommandList* commandList)
{
auto& renderCore = RenderCore::Instance();
std::array<ID3D12DescriptorHeap*, 1> heaps = { renderCore.GetCbvHeap() };
commandList->SetDescriptorHeaps(gsl::narrow_cast<CLuint>(heaps.size()), heaps.data());
commandList->SetGraphicsRootSignature(renderCore.GetRootSignature());
commandList->SetGraphicsRootConstantBufferView(0, renderCore.GetPerSceneConstBuffer().GetCurrentVersionGpuAddress());
commandList->SetGraphicsRootConstantBufferView(1, renderCore.GetPerModelConstBuffer().GetCurrentVersionGpuAddress());
static const auto c_cbvDescriptorSize = renderCore.GetDevice()->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
CD3DX12_GPU_DESCRIPTOR_HANDLE srvHandle(renderCore.GetCbvHeap()->GetGPUDescriptorHandleForHeapStart(), 2, c_cbvDescriptorSize);
commandList->SetGraphicsRootDescriptorTable(3, srvHandle);
commandList->RSSetViewports(1, &renderCore.GetViewPort());
commandList->RSSetScissorRects(1, &renderCore.GetScissorRect());
auto&& rtvHandle = renderCore.GetCurrentBackBuffer();
auto&& dsvHandle = renderCore.GetDepthStencil()->GetDsv();
commandList->OMSetRenderTargets(1, &rtvHandle, FALSE, &dsvHandle);
// clear depth?
RenderBoxes(commandList);
RenderQuads(commandList);
RenderLine2D();
m_boxesToRender = 0;
m_quadsToRender = 0;
m_line2DsToRender = 0;
}
// Fill the command list with all the render commands and dependent state.
void D3D12SmallResources::PopulateCommandList()
{
// Command list allocators can only be reset when the associated
// command lists have finished execution on the GPU; apps should use
// fences to determine GPU execution progress.
ThrowIfFailed(m_commandAllocators[m_frameIndex]->Reset());
// However, when ExecuteCommandList() is called on a particular command
// list, that command list can then be reset at any time and must be before
// re-recording.
ThrowIfFailed(m_commandList->Reset(m_commandAllocators[m_frameIndex].Get(), m_pipelineState.Get()));
// Set necessary state.
m_commandList->SetGraphicsRootSignature(m_rootSignature.Get());
ID3D12DescriptorHeap* ppHeaps[] = { m_srvHeap.Get() };
m_commandList->SetDescriptorHeaps(_countof(ppHeaps), ppHeaps);
m_commandList->RSSetViewports(1, &m_viewport);
m_commandList->RSSetScissorRects(1, &m_scissorRect);
// Indicate that the back buffer will be used as a render target.
m_commandList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(m_renderTargets[m_frameIndex].Get(), D3D12_RESOURCE_STATE_PRESENT, D3D12_RESOURCE_STATE_RENDER_TARGET));
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeap->GetCPUDescriptorHandleForHeapStart(), m_frameIndex, m_rtvDescriptorSize);
m_commandList->OMSetRenderTargets(1, &rtvHandle, FALSE, nullptr);
// Record drawing commands.
const float clearColor[] = { 0.0f, 0.2f, 0.4f, 1.0f };
m_commandList->ClearRenderTargetView(rtvHandle, clearColor, 0, nullptr);
// Draw the grid.
{
m_commandList->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
m_commandList->IASetVertexBuffers(0, 1, &m_vertexBufferView);
// Draw the far quad conditionally based on the result of the occlusion query
// from the previous frame.
PIXBeginEvent(m_commandList.Get(), 0, L"Draw grid");
CD3DX12_GPU_DESCRIPTOR_HANDLE srvHandle(m_srvHeap->GetGPUDescriptorHandleForHeapStart());
for (UINT n = 0; n < TextureCount; n++)
{
m_commandList->SetGraphicsRootDescriptorTable(0, srvHandle);
m_commandList->DrawInstanced(4, 1, n * 4, 0);
srvHandle.Offset(m_srvDescriptorSize);
}
PIXEndEvent(m_commandList.Get());
}
// Indicate that the back buffer will now be used to present.
m_commandList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(m_renderTargets[m_frameIndex].Get(), D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_PRESENT));
ThrowIfFailed(m_commandList->Close());
}
// Load resources that are dependent on the size of the main window.
void D3D12HDR::LoadSizeDependentResources()
{
// Create frame resources.
{
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeap->GetCPUDescriptorHandleForHeapStart());
// Create a RTV for each frame.
for (UINT n = 0; n < FrameCount; n++)
{
ThrowIfFailed(m_swapChain->GetBuffer(n, IID_PPV_ARGS(&m_renderTargets[n])));
m_device->CreateRenderTargetView(m_renderTargets[n].Get(), nullptr, rtvHandle);
rtvHandle.Offset(1, m_rtvDescriptorSize);
NAME_D3D12_OBJECT_INDEXED(m_renderTargets, n);
}
// Create the intermediate render target and an RTV for it.
D3D12_RESOURCE_DESC renderTargetDesc = m_renderTargets[0]->GetDesc();
renderTargetDesc.Format = m_intermediateRenderTargetFormat;
D3D12_CLEAR_VALUE clearValue = {};
clearValue.Format = m_intermediateRenderTargetFormat;
ThrowIfFailed(m_device->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT),
D3D12_HEAP_FLAG_NONE,
&renderTargetDesc,
D3D12_RESOURCE_STATE_RENDER_TARGET,
&clearValue,
IID_PPV_ARGS(&m_intermediateRenderTarget)));
NAME_D3D12_OBJECT(m_intermediateRenderTarget);
m_device->CreateRenderTargetView(m_intermediateRenderTarget.Get(), nullptr, rtvHandle);
rtvHandle.Offset(1, m_rtvDescriptorSize);
CD3DX12_CPU_DESCRIPTOR_HANDLE srvHandle(m_srvHeap->GetCPUDescriptorHandleForHeapStart());
m_device->CreateShaderResourceView(m_intermediateRenderTarget.Get(), nullptr, srvHandle);
srvHandle.Offset(1, m_srvDescriptorSize);
// Create the UI render target and an RTV for it.
renderTargetDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
clearValue.Format = renderTargetDesc.Format;
ThrowIfFailed(m_device->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT),
D3D12_HEAP_FLAG_NONE,
&renderTargetDesc,
D3D12_RESOURCE_STATE_RENDER_TARGET,
&clearValue,
IID_PPV_ARGS(&m_UIRenderTarget)));
NAME_D3D12_OBJECT(m_UIRenderTarget);
m_device->CreateRenderTargetView(m_UIRenderTarget.Get(), nullptr, rtvHandle);
m_device->CreateShaderResourceView(m_UIRenderTarget.Get(), nullptr, srvHandle);
}
m_viewport.Width = static_cast<float>(m_width);
m_viewport.Height = static_cast<float>(m_height);
m_scissorRect.left = 0;
m_scissorRect.top = 0;
m_scissorRect.right = static_cast<LONG>(m_width);
m_scissorRect.bottom = static_cast<LONG>(m_height);
// Update the color space triangle vertices when the command list is back in
// the recording state.
m_updateVertexBuffer = true;
if (m_enableUI)
{
if (!m_uiLayer)
{
m_uiLayer = std::make_shared<UILayer>(this);
}
else
{
m_uiLayer->Resize();
}
}
}
// Fill the command list with all the render commands and dependent state.
void D3D12HeterogeneousMultiadapter::PopulateCommandLists()
{
// Command list to render target the triangles on the primary adapter.
{
const GraphicsAdapter adapter = Primary;
// Command list allocators can only be reset when the associated
// command lists have finished execution on the GPU; apps should use
// fences to determine GPU execution progress.
ThrowIfFailed(m_directCommandAllocators[adapter][m_frameIndex]->Reset());
// However, when ExecuteCommandList() is called on a particular command
// list, that command list can then be reset at any time and must be before
// re-recording.
ThrowIfFailed(m_directCommandLists[adapter]->Reset(m_directCommandAllocators[adapter][m_frameIndex].Get(), m_pipelineState.Get()));
// Get a timestamp at the start of the command list.
const UINT timestampHeapIndex = 2 * m_frameIndex;
m_directCommandLists[adapter]->EndQuery(m_timestampQueryHeaps[adapter].Get(), D3D12_QUERY_TYPE_TIMESTAMP, timestampHeapIndex);
// Set necessary state.
m_directCommandLists[adapter]->SetGraphicsRootSignature(m_rootSignature.Get());
m_directCommandLists[adapter]->RSSetViewports(1, &m_viewport);
m_directCommandLists[adapter]->RSSetScissorRects(1, &m_scissorRect);
// Indicate that the render target will be used as a render target.
m_directCommandLists[adapter]->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(m_renderTargets[adapter][m_frameIndex].Get(), D3D12_RESOURCE_STATE_COPY_SOURCE, D3D12_RESOURCE_STATE_RENDER_TARGET));
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeaps[adapter]->GetCPUDescriptorHandleForHeapStart(), m_frameIndex, m_rtvDescriptorSizes[adapter]);
CD3DX12_CPU_DESCRIPTOR_HANDLE dsvHandle(m_dsvHeap->GetCPUDescriptorHandleForHeapStart());
m_directCommandLists[adapter]->OMSetRenderTargets(1, &rtvHandle, false, &dsvHandle);
// Record commands.
m_directCommandLists[adapter]->ClearRenderTargetView(rtvHandle, ClearColor, 0, nullptr);
m_directCommandLists[adapter]->ClearDepthStencilView(dsvHandle, D3D12_CLEAR_FLAG_DEPTH, 1.0f, 0, 0, nullptr);
// Draw the triangles.
m_directCommandLists[adapter]->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
m_directCommandLists[adapter]->IASetVertexBuffers(0, 1, &m_vertexBufferView);
m_directCommandLists[adapter]->SetGraphicsRootConstantBufferView(1, m_workloadConstantBuffer->GetGPUVirtualAddress() + (m_frameIndex * sizeof(WorkloadConstantBufferData)));
const D3D12_GPU_VIRTUAL_ADDRESS cbVirtualAddress = m_constantBuffer->GetGPUVirtualAddress();
for (UINT n = 0; n < m_triangleCount; n++)
{
const D3D12_GPU_VIRTUAL_ADDRESS cbLocation = cbVirtualAddress + (m_frameIndex * MaxTriangleCount * sizeof(ConstantBufferData)) + (n * sizeof(ConstantBufferData));
m_directCommandLists[adapter]->SetGraphicsRootConstantBufferView(0, cbLocation);
m_directCommandLists[adapter]->DrawInstanced(3, 1, 0, 0);
}
// Indicate that the render target will now be used to copy.
m_directCommandLists[adapter]->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(m_renderTargets[adapter][m_frameIndex].Get(), D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_COPY_SOURCE));
// Get a timestamp at the end of the command list and resolve the query data.
m_directCommandLists[adapter]->EndQuery(m_timestampQueryHeaps[adapter].Get(), D3D12_QUERY_TYPE_TIMESTAMP, timestampHeapIndex + 1);
m_directCommandLists[adapter]->ResolveQueryData(m_timestampQueryHeaps[adapter].Get(), D3D12_QUERY_TYPE_TIMESTAMP, timestampHeapIndex, 2, m_timestampResultBuffers[adapter].Get(), timestampHeapIndex * sizeof(UINT64));
ThrowIfFailed(m_directCommandLists[adapter]->Close());
}
// Command list to copy the render target to the shared heap on the primary adapter.
{
const GraphicsAdapter adapter = Primary;
// Reset the copy command allocator and command list.
ThrowIfFailed(m_copyCommandAllocators[m_frameIndex]->Reset());
ThrowIfFailed(m_copyCommandList->Reset(m_copyCommandAllocators[m_frameIndex].Get(), nullptr));
// Copy the resource to the cross-adapter shared resource
m_copyCommandList->CopyResource(m_crossAdapterResources[adapter][m_frameIndex].Get(), m_renderTargets[adapter][m_frameIndex].Get());
ThrowIfFailed(m_copyCommandList->Close());
}
// Command list to blur the render target and present.
{
const GraphicsAdapter adapter = Secondary;
// Command list allocators can only be reset when the associated
// command lists have finished execution on the GPU; apps should use
// fences to determine GPU execution progress.
ThrowIfFailed(m_directCommandAllocators[adapter][m_frameIndex]->Reset());
// However, when ExecuteCommandList() is called on a particular command
// list, that command list can then be reset at any time and must be before
// re-recording.
ThrowIfFailed(m_directCommandLists[adapter]->Reset(m_directCommandAllocators[adapter][m_frameIndex].Get(), m_blurPipelineStates[0].Get()));
// Get a timestamp at the start of the command list.
const UINT timestampHeapIndex = 2 * m_frameIndex;
m_directCommandLists[adapter]->EndQuery(m_timestampQueryHeaps[adapter].Get(), D3D12_QUERY_TYPE_TIMESTAMP, timestampHeapIndex);
// Set necessary state.
m_directCommandLists[adapter]->SetGraphicsRootSignature(m_blurRootSignature.Get());
ID3D12DescriptorHeap* ppHeaps[] = { m_cbvSrvUavHeap.Get() };
m_directCommandLists[adapter]->SetDescriptorHeaps(_countof(ppHeaps), ppHeaps);
m_directCommandLists[adapter]->RSSetViewports(1, &m_viewport);
m_directCommandLists[adapter]->RSSetScissorRects(1, &m_scissorRect);
// Indicate that the intermediate render target will be used as a render target.
m_directCommandLists[adapter]->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(m_intermediateBlurRenderTarget.Get(), D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE, D3D12_RESOURCE_STATE_RENDER_TARGET));
// Record commands.
m_directCommandLists[adapter]->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
m_directCommandLists[adapter]->IASetVertexBuffers(0, 1, &m_fullscreenQuadVertexBufferView);
m_directCommandLists[adapter]->SetGraphicsRootConstantBufferView(0, m_blurConstantBuffer->GetGPUVirtualAddress());
m_directCommandLists[adapter]->SetGraphicsRootConstantBufferView(2, m_blurWorkloadConstantBuffer->GetGPUVirtualAddress() + (m_frameIndex * sizeof(WorkloadConstantBufferData)));
// Draw the fullscreen quad - Blur pass #1.
{
CD3DX12_GPU_DESCRIPTOR_HANDLE srvHandle(m_cbvSrvUavHeap->GetGPUDescriptorHandleForHeapStart(), m_frameIndex, m_srvDescriptorSizes[adapter]);
m_directCommandLists[adapter]->SetGraphicsRootDescriptorTable(1, srvHandle);
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeaps[adapter]->GetCPUDescriptorHandleForHeapStart(), FrameCount, m_rtvDescriptorSizes[adapter]);
m_directCommandLists[adapter]->OMSetRenderTargets(1, &rtvHandle, false, nullptr);
m_directCommandLists[adapter]->DrawInstanced(4, 1, 0, 0);
}
// Draw the fullscreen quad - Blur pass #2.
{
m_directCommandLists[adapter]->SetPipelineState(m_blurPipelineStates[1].Get());
// Indicate that the intermediate render target will be used as a shader resource.
// Indicate that the back buffer will be used as a render target and the
// intermediate render target will be used as a SRV.
D3D12_RESOURCE_BARRIER barriers[] = {
CD3DX12_RESOURCE_BARRIER::Transition(m_renderTargets[adapter][m_frameIndex].Get(), D3D12_RESOURCE_STATE_PRESENT, D3D12_RESOURCE_STATE_RENDER_TARGET),
CD3DX12_RESOURCE_BARRIER::Transition(m_intermediateBlurRenderTarget.Get(), D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE)
};
m_directCommandLists[adapter]->ResourceBarrier(_countof(barriers), barriers);
CD3DX12_GPU_DESCRIPTOR_HANDLE srvHandle(m_cbvSrvUavHeap->GetGPUDescriptorHandleForHeapStart(), FrameCount, m_srvDescriptorSizes[adapter]);
m_directCommandLists[adapter]->SetGraphicsRootDescriptorTable(1, srvHandle);
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeaps[adapter]->GetCPUDescriptorHandleForHeapStart(), m_frameIndex, m_rtvDescriptorSizes[adapter]);
m_directCommandLists[adapter]->OMSetRenderTargets(1, &rtvHandle, false, nullptr);
m_directCommandLists[adapter]->DrawInstanced(4, 1, 0, 0);
}
// Indicate that the back buffer will now be used to present.
m_directCommandLists[adapter]->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(m_renderTargets[adapter][m_frameIndex].Get(), D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_PRESENT));
// Get a timestamp at the end of the command list and resolve the query data.
m_directCommandLists[adapter]->EndQuery(m_timestampQueryHeaps[adapter].Get(), D3D12_QUERY_TYPE_TIMESTAMP, timestampHeapIndex + 1);
m_directCommandLists[adapter]->ResolveQueryData(m_timestampQueryHeaps[adapter].Get(), D3D12_QUERY_TYPE_TIMESTAMP, timestampHeapIndex, 2, m_timestampResultBuffers[adapter].Get(), timestampHeapIndex * sizeof(UINT64));
ThrowIfFailed(m_directCommandLists[adapter]->Close());
}
}
// Load the rendering pipeline dependencies.
void D3D12HeterogeneousMultiadapter::LoadPipeline()
{
bool debugLayerEnabled = false;
#if defined(_DEBUG)
// Enable the D3D12 debug layer.
{
ComPtr<ID3D12Debug> debugController;
if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&debugController))))
{
debugController->EnableDebugLayer();
debugLayerEnabled = true;
}
}
#endif
ComPtr<IDXGIFactory4> factory;
ThrowIfFailed(CreateDXGIFactory1(IID_PPV_ARGS(&factory)));
ComPtr<IDXGIAdapter1> primaryAdapter;
ComPtr<IDXGIAdapter1> secondaryAdapter;
if (m_useWarpDevice)
{
ThrowIfFailed(factory->EnumWarpAdapter(IID_PPV_ARGS(&primaryAdapter)));
ThrowIfFailed(factory->EnumWarpAdapter(IID_PPV_ARGS(&secondaryAdapter)));
}
else
{
ThrowIfFailed(GetHardwareAdapters(factory.Get(), &primaryAdapter, &secondaryAdapter));
}
IDXGIAdapter1* ppAdapters[] = { primaryAdapter.Get(), secondaryAdapter.Get() };
for (UINT i = 0; i < GraphicsAdaptersCount; i++)
{
ThrowIfFailed(D3D12CreateDevice(ppAdapters[i], D3D_FEATURE_LEVEL_11_0, IID_PPV_ARGS(&m_devices[i])));
ThrowIfFailed(ppAdapters[i]->GetDesc1(&m_adapterDescs[i]));
if (debugLayerEnabled)
{
// Set stable power state for reliable timestamp queries.
ThrowIfFailed(m_devices[i]->SetStablePowerState(TRUE));
}
}
// Describe and create the command queues and get their timestamp frequency.
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
for (UINT i = 0; i < GraphicsAdaptersCount; i++)
{
ThrowIfFailed(m_devices[i]->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&m_directCommandQueues[i])));
ThrowIfFailed(m_directCommandQueues[i]->GetTimestampFrequency(&m_directCommandQueueTimestampFrequencies[i]));
}
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_COPY;
ThrowIfFailed(m_devices[Primary]->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&m_copyCommandQueue)));
// Describe and create the swap chain on the secondary device because that's where we present from.
DXGI_SWAP_CHAIN_DESC swapChainDesc = {};
swapChainDesc.BufferCount = FrameCount;
swapChainDesc.BufferDesc.Width = m_width;
swapChainDesc.BufferDesc.Height = m_height;
swapChainDesc.BufferDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.OutputWindow = Win32Application::GetHwnd();
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.Windowed = TRUE;
ComPtr<IDXGISwapChain> swapChain;
ThrowIfFailed(factory->CreateSwapChain(
m_directCommandQueues[Secondary].Get(), // Swap chain needs the queue so that it can force a flush on it.
&swapChainDesc,
&swapChain
));
ThrowIfFailed(swapChain.As(&m_swapChain));
// This sample does not support fullscreen transitions.
ThrowIfFailed(factory->MakeWindowAssociation(Win32Application::GetHwnd(), DXGI_MWA_NO_ALT_ENTER));
// Create descriptor heaps.
{
// Describe and create a render target view (RTV) descriptor heaps.
for (UINT i = 0; i < GraphicsAdaptersCount; i++)
{
D3D12_DESCRIPTOR_HEAP_DESC rtvHeapDesc = {};
rtvHeapDesc.NumDescriptors = FrameCount;
if (i == Secondary)
{
// Add space for the intermediate render target.
rtvHeapDesc.NumDescriptors++;
}
rtvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
rtvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_devices[i]->CreateDescriptorHeap(&rtvHeapDesc, IID_PPV_ARGS(&m_rtvHeaps[i])));
}
// Describe and create a depth stencil view (DSV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC dsvHeapDesc = {};
dsvHeapDesc.NumDescriptors = 1;
dsvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_DSV;
dsvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_devices[Primary]->CreateDescriptorHeap(&dsvHeapDesc, IID_PPV_ARGS(&m_dsvHeap)));
// Describe and create a shader resource view (SRV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC cbvSrvUavHeapDesc = {};
cbvSrvUavHeapDesc.NumDescriptors = FrameCount + 1; // +1 for the intermediate blur render target.
cbvSrvUavHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
cbvSrvUavHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
ThrowIfFailed(m_devices[Secondary]->CreateDescriptorHeap(&cbvSrvUavHeapDesc, IID_PPV_ARGS(&m_cbvSrvUavHeap)));
for (UINT i = 0; i < GraphicsAdaptersCount; i++)
{
m_rtvDescriptorSizes[i] = m_devices[i]->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
m_srvDescriptorSizes[i] = m_devices[i]->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
}
}
// Create query heaps and result buffers.
{
// Two timestamps for each frame.
const UINT resultCount = 2 * FrameCount;
const UINT resultBufferSize = resultCount * sizeof(UINT64);
D3D12_QUERY_HEAP_DESC timestampHeapDesc = {};
timestampHeapDesc.Type = D3D12_QUERY_HEAP_TYPE_TIMESTAMP;
timestampHeapDesc.Count = resultCount;
for (UINT i = 0; i < GraphicsAdaptersCount; i++)
{
ThrowIfFailed(m_devices[i]->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_READBACK),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer(resultBufferSize),
D3D12_RESOURCE_STATE_COPY_DEST,
nullptr,
IID_PPV_ARGS(&m_timestampResultBuffers[i])));
ThrowIfFailed(m_devices[i]->CreateQueryHeap(×tampHeapDesc, IID_PPV_ARGS(&m_timestampQueryHeaps[i])));
}
}
// Create frame resources.
{
const CD3DX12_CLEAR_VALUE clearValue(swapChainDesc.BufferDesc.Format, ClearColor);
const CD3DX12_RESOURCE_DESC renderTargetDesc = CD3DX12_RESOURCE_DESC::Tex2D(
swapChainDesc.BufferDesc.Format,
swapChainDesc.BufferDesc.Width,
swapChainDesc.BufferDesc.Height,
1u, 1u,
swapChainDesc.SampleDesc.Count,
swapChainDesc.SampleDesc.Quality,
D3D12_RESOURCE_FLAG_ALLOW_RENDER_TARGET,
D3D12_TEXTURE_LAYOUT_UNKNOWN, 0u);
for (UINT i = 0; i < GraphicsAdaptersCount; i++)
{
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeaps[i]->GetCPUDescriptorHandleForHeapStart());
// Create a RTV and a command allocator for each frame.
for (UINT n = 0; n < FrameCount; n++)
{
if (i == Secondary)
{
ThrowIfFailed(m_swapChain->GetBuffer(n, IID_PPV_ARGS(&m_renderTargets[i][n])));
}
else
{
ThrowIfFailed(m_devices[i]->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT),
D3D12_HEAP_FLAG_NONE,
&renderTargetDesc,
D3D12_RESOURCE_STATE_COPY_SOURCE,
&clearValue,
IID_PPV_ARGS(&m_renderTargets[i][n])));
}
m_devices[i]->CreateRenderTargetView(m_renderTargets[i][n].Get(), nullptr, rtvHandle);
rtvHandle.Offset(1, m_rtvDescriptorSizes[i]);
ThrowIfFailed(m_devices[i]->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&m_directCommandAllocators[i][n])));
if (i == Primary)
{
ThrowIfFailed(m_devices[i]->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_COPY, IID_PPV_ARGS(&m_copyCommandAllocators[n])));
}
}
}
// Create cross-adapter shared resources on the primary adapter, and open the shared handles on the secondary adapter.
{
D3D12_RESOURCE_DESC crossAdapterDesc = m_renderTargets[Primary][0]->GetDesc();
crossAdapterDesc.Flags = D3D12_RESOURCE_FLAG_ALLOW_CROSS_ADAPTER;
crossAdapterDesc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
for (UINT n = 0; n < FrameCount; n++)
{
ThrowIfFailed(m_devices[Primary]->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT),
D3D12_HEAP_FLAG_SHARED | D3D12_HEAP_FLAG_SHARED_CROSS_ADAPTER,
&crossAdapterDesc,
D3D12_RESOURCE_STATE_COPY_DEST,
nullptr,
IID_PPV_ARGS(&m_crossAdapterResources[Primary][n])));
HANDLE heapHandle = nullptr;
ThrowIfFailed(m_devices[Primary]->CreateSharedHandle(
m_crossAdapterResources[Primary][n].Get(),
nullptr,
GENERIC_ALL,
nullptr,
&heapHandle));
HRESULT openSharedHandleResult = m_devices[Secondary]->OpenSharedHandle(heapHandle, IID_PPV_ARGS(&m_crossAdapterResources[Secondary][n]));
// We can close the handle after opening the cross-adapter shared resource.
CloseHandle(heapHandle);
ThrowIfFailed(openSharedHandleResult);
}
}
// Create an intermediate render target and view on the secondary adapter.
{
const D3D12_RESOURCE_DESC intermediateRenderTargetDesc = m_renderTargets[Primary][0]->GetDesc();
ThrowIfFailed(m_devices[Secondary]->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT),
D3D12_HEAP_FLAG_NONE,
&intermediateRenderTargetDesc,
D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE,
nullptr,
IID_PPV_ARGS(&m_intermediateBlurRenderTarget)));
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeaps[Secondary]->GetCPUDescriptorHandleForHeapStart(), FrameCount, m_rtvDescriptorSizes[Secondary]);
m_devices[Secondary]->CreateRenderTargetView(m_intermediateBlurRenderTarget.Get(), nullptr, rtvHandle);
}
// Create a SRV for the cross-adapter resources and intermediate render target on the secondary adapter.
{
CD3DX12_CPU_DESCRIPTOR_HANDLE srvHandle(m_cbvSrvUavHeap->GetCPUDescriptorHandleForHeapStart());
for (UINT n = 0; n < FrameCount; n++)
{
m_devices[Secondary]->CreateShaderResourceView(m_crossAdapterResources[Secondary][n].Get(), nullptr, srvHandle);
srvHandle.Offset(m_srvDescriptorSizes[Secondary]);
}
m_devices[Secondary]->CreateShaderResourceView(m_intermediateBlurRenderTarget.Get(), nullptr, srvHandle);
}
}
}
// Load the sample assets.
void D3D12DynamicIndexing::LoadAssets()
{
// Note: ComPtr's are CPU objects but these resources need to stay in scope until
// the command list that references them has finished executing on the GPU.
// We will flush the GPU at the end of this method to ensure the resources are not
// prematurely destroyed.
ComPtr<ID3D12Resource> vertexBufferUploadHeap;
ComPtr<ID3D12Resource> indexBufferUploadHeap;
ComPtr<ID3D12Resource> textureUploadHeap;
ComPtr<ID3D12Resource> materialsUploadHeap;
// Create the root signature.
{
CD3DX12_DESCRIPTOR_RANGE ranges[3];
ranges[0].Init(D3D12_DESCRIPTOR_RANGE_TYPE_SRV, 1 + CityMaterialCount, 0); // Diffuse texture + array of materials.
ranges[1].Init(D3D12_DESCRIPTOR_RANGE_TYPE_SAMPLER, 1, 0);
ranges[2].Init(D3D12_DESCRIPTOR_RANGE_TYPE_CBV, 1, 0);
CD3DX12_ROOT_PARAMETER rootParameters[4];
rootParameters[0].InitAsDescriptorTable(1, &ranges[0], D3D12_SHADER_VISIBILITY_PIXEL);
rootParameters[1].InitAsDescriptorTable(1, &ranges[1], D3D12_SHADER_VISIBILITY_PIXEL);
rootParameters[2].InitAsDescriptorTable(1, &ranges[2], D3D12_SHADER_VISIBILITY_VERTEX);
rootParameters[3].InitAsConstants(1, 0, 0, D3D12_SHADER_VISIBILITY_PIXEL);
CD3DX12_ROOT_SIGNATURE_DESC rootSignatureDesc;
rootSignatureDesc.Init(_countof(rootParameters), rootParameters, 0, nullptr, D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT);
ComPtr<ID3DBlob> signature;
ComPtr<ID3DBlob> error;
ThrowIfFailed(D3D12SerializeRootSignature(&rootSignatureDesc, D3D_ROOT_SIGNATURE_VERSION_1, &signature, &error));
ThrowIfFailed(m_device->CreateRootSignature(0, signature->GetBufferPointer(), signature->GetBufferSize(), IID_PPV_ARGS(&m_rootSignature)));
NAME_D3D12_OBJECT(m_rootSignature);
}
// Create the pipeline state, which includes loading shaders.
{
UINT8* pVertexShaderData;
UINT8* pPixelShaderData;
UINT vertexShaderDataLength;
UINT pixelShaderDataLength;
ThrowIfFailed(ReadDataFromFile(GetAssetFullPath(L"shader_mesh_simple_vert.cso").c_str(), &pVertexShaderData, &vertexShaderDataLength));
ThrowIfFailed(ReadDataFromFile(GetAssetFullPath(L"shader_mesh_dynamic_indexing_pixel.cso").c_str(), &pPixelShaderData, &pixelShaderDataLength));
CD3DX12_RASTERIZER_DESC rasterizerStateDesc(D3D12_DEFAULT);
rasterizerStateDesc.CullMode = D3D12_CULL_MODE_NONE;
// Describe and create the graphics pipeline state object (PSO).
D3D12_GRAPHICS_PIPELINE_STATE_DESC psoDesc = {};
psoDesc.InputLayout = { SampleAssets::StandardVertexDescription, SampleAssets::StandardVertexDescriptionNumElements };
psoDesc.pRootSignature = m_rootSignature.Get();
psoDesc.VS = CD3DX12_SHADER_BYTECODE(pVertexShaderData, vertexShaderDataLength);
psoDesc.PS = CD3DX12_SHADER_BYTECODE(pPixelShaderData, pixelShaderDataLength);
psoDesc.RasterizerState = rasterizerStateDesc;
psoDesc.BlendState = CD3DX12_BLEND_DESC(D3D12_DEFAULT);
psoDesc.DepthStencilState = CD3DX12_DEPTH_STENCIL_DESC(D3D12_DEFAULT);
psoDesc.SampleMask = UINT_MAX;
psoDesc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE;
psoDesc.NumRenderTargets = 1;
psoDesc.RTVFormats[0] = DXGI_FORMAT_R8G8B8A8_UNORM;
psoDesc.DSVFormat = DXGI_FORMAT_D32_FLOAT;
psoDesc.SampleDesc.Count = 1;
ThrowIfFailed(m_device->CreateGraphicsPipelineState(&psoDesc, IID_PPV_ARGS(&m_pipelineState)));
NAME_D3D12_OBJECT(m_pipelineState);
delete pVertexShaderData;
delete pPixelShaderData;
}
ThrowIfFailed(m_device->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, m_commandAllocator.Get(), nullptr, IID_PPV_ARGS(&m_commandList)));
NAME_D3D12_OBJECT(m_commandList);
// Create render target views (RTVs).
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeap->GetCPUDescriptorHandleForHeapStart());
for (UINT i = 0; i < FrameCount; i++)
{
ThrowIfFailed(m_swapChain->GetBuffer(i, IID_PPV_ARGS(&m_renderTargets[i])));
m_device->CreateRenderTargetView(m_renderTargets[i].Get(), nullptr, rtvHandle);
rtvHandle.Offset(1, m_rtvDescriptorSize);
NAME_D3D12_OBJECT_INDEXED(m_renderTargets, i);
}
// Read in mesh data for vertex/index buffers.
UINT8* pMeshData;
UINT meshDataLength;
ThrowIfFailed(ReadDataFromFile(GetAssetFullPath(SampleAssets::DataFileName).c_str(), &pMeshData, &meshDataLength));
// Create the vertex buffer.
{
ThrowIfFailed(m_device->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer(SampleAssets::VertexDataSize),
D3D12_RESOURCE_STATE_COPY_DEST,
nullptr,
IID_PPV_ARGS(&m_vertexBuffer)));
ThrowIfFailed(m_device->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer(SampleAssets::VertexDataSize),
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(&vertexBufferUploadHeap)));
NAME_D3D12_OBJECT(m_vertexBuffer);
// Copy data to the intermediate upload heap and then schedule a copy
// from the upload heap to the vertex buffer.
D3D12_SUBRESOURCE_DATA vertexData = {};
vertexData.pData = pMeshData + SampleAssets::VertexDataOffset;
vertexData.RowPitch = SampleAssets::VertexDataSize;
vertexData.SlicePitch = vertexData.RowPitch;
UpdateSubresources<1>(m_commandList.Get(), m_vertexBuffer.Get(), vertexBufferUploadHeap.Get(), 0, 0, 1, &vertexData);
m_commandList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(m_vertexBuffer.Get(), D3D12_RESOURCE_STATE_COPY_DEST, D3D12_RESOURCE_STATE_VERTEX_AND_CONSTANT_BUFFER));
// Initialize the vertex buffer view.
m_vertexBufferView.BufferLocation = m_vertexBuffer->GetGPUVirtualAddress();
m_vertexBufferView.StrideInBytes = SampleAssets::StandardVertexStride;
m_vertexBufferView.SizeInBytes = SampleAssets::VertexDataSize;
}
// Create the index buffer.
{
ThrowIfFailed(m_device->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer(SampleAssets::IndexDataSize),
D3D12_RESOURCE_STATE_COPY_DEST,
nullptr,
IID_PPV_ARGS(&m_indexBuffer)));
ThrowIfFailed(m_device->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer(SampleAssets::IndexDataSize),
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(&indexBufferUploadHeap)));
NAME_D3D12_OBJECT(m_indexBuffer);
// Copy data to the intermediate upload heap and then schedule a copy
// from the upload heap to the index buffer.
D3D12_SUBRESOURCE_DATA indexData = {};
indexData.pData = pMeshData + SampleAssets::IndexDataOffset;
indexData.RowPitch = SampleAssets::IndexDataSize;
indexData.SlicePitch = indexData.RowPitch;
UpdateSubresources<1>(m_commandList.Get(), m_indexBuffer.Get(), indexBufferUploadHeap.Get(), 0, 0, 1, &indexData);
m_commandList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(m_indexBuffer.Get(), D3D12_RESOURCE_STATE_COPY_DEST, D3D12_RESOURCE_STATE_INDEX_BUFFER));
// Describe the index buffer view.
m_indexBufferView.BufferLocation = m_indexBuffer->GetGPUVirtualAddress();
m_indexBufferView.Format = SampleAssets::StandardIndexFormat;
m_indexBufferView.SizeInBytes = SampleAssets::IndexDataSize;
m_numIndices = SampleAssets::IndexDataSize / 4; // R32_UINT (SampleAssets::StandardIndexFormat) = 4 bytes each.
}
// Create the textures and sampler.
{
// Procedurally generate an array of textures to use as city materials.
{
// All of these materials use the same texture desc.
D3D12_RESOURCE_DESC textureDesc = {};
textureDesc.MipLevels = 1;
textureDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
textureDesc.Width = CityMaterialTextureWidth;
textureDesc.Height = CityMaterialTextureHeight;
textureDesc.Flags = D3D12_RESOURCE_FLAG_NONE;
textureDesc.DepthOrArraySize = 1;
textureDesc.SampleDesc.Count = 1;
textureDesc.SampleDesc.Quality = 0;
textureDesc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE2D;
// The textures evenly span the color rainbow so that each city gets
// a different material.
float materialGradStep = (1.0f / static_cast<float>(CityMaterialCount));
// Generate texture data.
std::vector<std::vector<unsigned char>> cityTextureData;
cityTextureData.resize(CityMaterialCount);
for (UINT i = 0; i < CityMaterialCount; ++i)
{
ThrowIfFailed(m_device->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT),
D3D12_HEAP_FLAG_NONE,
&textureDesc,
D3D12_RESOURCE_STATE_COPY_DEST,
nullptr,
IID_PPV_ARGS(&m_cityMaterialTextures[i])));
NAME_D3D12_OBJECT_INDEXED(m_cityMaterialTextures, i);
// Fill the texture.
float t = i * materialGradStep;
cityTextureData[i].resize(CityMaterialTextureWidth * CityMaterialTextureHeight * CityMaterialTextureChannelCount);
for (int x = 0; x < CityMaterialTextureWidth; ++x)
{
for (int y = 0; y < CityMaterialTextureHeight; ++y)
{
// Compute the appropriate index into the buffer based on the x/y coordinates.
int pixelIndex = (y * CityMaterialTextureChannelCount * CityMaterialTextureWidth) + (x * CityMaterialTextureChannelCount);
// Determine this row's position along the rainbow gradient.
float tPrime = t + ((static_cast<float>(y) / static_cast<float>(CityMaterialTextureHeight)) * materialGradStep);
// Compute the RGB value for this position along the rainbow
// and pack the pixel value.
XMVECTOR hsl = XMVectorSet(tPrime, 0.5f, 0.5f, 1.0f);
XMVECTOR rgb = XMColorHSLToRGB(hsl);
cityTextureData[i][pixelIndex + 0] = static_cast<unsigned char>((255 * XMVectorGetX(rgb)));
cityTextureData[i][pixelIndex + 1] = static_cast<unsigned char>((255 * XMVectorGetY(rgb)));
cityTextureData[i][pixelIndex + 2] = static_cast<unsigned char>((255 * XMVectorGetZ(rgb)));
cityTextureData[i][pixelIndex + 3] = 255;
}
}
}
// Upload texture data to the default heap resources.
{
const UINT subresourceCount = textureDesc.DepthOrArraySize * textureDesc.MipLevels;
const UINT64 uploadBufferStep = GetRequiredIntermediateSize(m_cityMaterialTextures[0].Get(), 0, subresourceCount); // All of our textures are the same size in this case.
const UINT64 uploadBufferSize = uploadBufferStep * CityMaterialCount;
ThrowIfFailed(m_device->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer(uploadBufferSize),
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(&materialsUploadHeap)));
for (int i = 0; i < CityMaterialCount; ++i)
{
// Copy data to the intermediate upload heap and then schedule
// a copy from the upload heap to the appropriate texture.
D3D12_SUBRESOURCE_DATA textureData = {};
textureData.pData = &cityTextureData[i][0];
textureData.RowPitch = static_cast<LONG_PTR>((CityMaterialTextureChannelCount * textureDesc.Width));
textureData.SlicePitch = textureData.RowPitch * textureDesc.Height;
UpdateSubresources(m_commandList.Get(), m_cityMaterialTextures[i].Get(), materialsUploadHeap.Get(), i * uploadBufferStep, 0, subresourceCount, &textureData);
m_commandList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(m_cityMaterialTextures[i].Get(), D3D12_RESOURCE_STATE_COPY_DEST, D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE));
}
}
}
// Load the occcity diffuse texture with baked-in ambient lighting.
// This texture will be blended with a texture from the materials
// array in the pixel shader.
{
D3D12_RESOURCE_DESC textureDesc = {};
textureDesc.MipLevels = SampleAssets::Textures[0].MipLevels;
textureDesc.Format = SampleAssets::Textures[0].Format;
textureDesc.Width = SampleAssets::Textures[0].Width;
textureDesc.Height = SampleAssets::Textures[0].Height;
textureDesc.Flags = D3D12_RESOURCE_FLAG_NONE;
textureDesc.DepthOrArraySize = 1;
textureDesc.SampleDesc.Count = 1;
textureDesc.SampleDesc.Quality = 0;
textureDesc.Dimension = D3D12_RESOURCE_DIMENSION_TEXTURE2D;
ThrowIfFailed(m_device->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT),
D3D12_HEAP_FLAG_NONE,
&textureDesc,
D3D12_RESOURCE_STATE_COPY_DEST,
nullptr,
IID_PPV_ARGS(&m_cityDiffuseTexture)));
const UINT subresourceCount = textureDesc.DepthOrArraySize * textureDesc.MipLevels;
const UINT64 uploadBufferSize = GetRequiredIntermediateSize(m_cityDiffuseTexture.Get(), 0, subresourceCount);
ThrowIfFailed(m_device->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_UPLOAD),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer(uploadBufferSize),
D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,
IID_PPV_ARGS(&textureUploadHeap)));
NAME_D3D12_OBJECT(m_cityDiffuseTexture);
// Copy data to the intermediate upload heap and then schedule
// a copy from the upload heap to the diffuse texture.
D3D12_SUBRESOURCE_DATA textureData = {};
textureData.pData = pMeshData + SampleAssets::Textures[0].Data[0].Offset;
textureData.RowPitch = SampleAssets::Textures[0].Data[0].Pitch;
textureData.SlicePitch = SampleAssets::Textures[0].Data[0].Size;
UpdateSubresources(m_commandList.Get(), m_cityDiffuseTexture.Get(), textureUploadHeap.Get(), 0, 0, subresourceCount, &textureData);
m_commandList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(m_cityDiffuseTexture.Get(), D3D12_RESOURCE_STATE_COPY_DEST, D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE));
}
// Describe and create a sampler.
D3D12_SAMPLER_DESC samplerDesc = {};
samplerDesc.Filter = D3D12_FILTER_MIN_MAG_MIP_LINEAR;
samplerDesc.AddressU = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
samplerDesc.AddressV = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
samplerDesc.AddressW = D3D12_TEXTURE_ADDRESS_MODE_WRAP;
samplerDesc.MinLOD = 0;
samplerDesc.MaxLOD = D3D12_FLOAT32_MAX;
samplerDesc.MipLODBias = 0.0f;
samplerDesc.MaxAnisotropy = 1;
samplerDesc.ComparisonFunc = D3D12_COMPARISON_FUNC_ALWAYS;
m_device->CreateSampler(&samplerDesc, m_samplerHeap->GetCPUDescriptorHandleForHeapStart());
// Create SRV for the city's diffuse texture.
CD3DX12_CPU_DESCRIPTOR_HANDLE srvHandle(m_cbvSrvHeap->GetCPUDescriptorHandleForHeapStart(), 0, m_cbvSrvDescriptorSize);
D3D12_SHADER_RESOURCE_VIEW_DESC diffuseSrvDesc = {};
diffuseSrvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
diffuseSrvDesc.Format = SampleAssets::Textures->Format;
diffuseSrvDesc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2D;
diffuseSrvDesc.Texture2D.MipLevels = 1;
m_device->CreateShaderResourceView(m_cityDiffuseTexture.Get(), &diffuseSrvDesc, srvHandle);
srvHandle.Offset(m_cbvSrvDescriptorSize);
// Create SRVs for each city material.
for (int i = 0; i < CityMaterialCount; ++i)
{
D3D12_SHADER_RESOURCE_VIEW_DESC materialSrvDesc = {};
materialSrvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
materialSrvDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
materialSrvDesc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2D;
materialSrvDesc.Texture2D.MipLevels = 1;
m_device->CreateShaderResourceView(m_cityMaterialTextures[i].Get(), &materialSrvDesc, srvHandle);
srvHandle.Offset(m_cbvSrvDescriptorSize);
}
}
delete pMeshData;
// Create the depth stencil view.
{
D3D12_DEPTH_STENCIL_VIEW_DESC depthStencilDesc = {};
depthStencilDesc.Format = DXGI_FORMAT_D32_FLOAT;
depthStencilDesc.ViewDimension = D3D12_DSV_DIMENSION_TEXTURE2D;
depthStencilDesc.Flags = D3D12_DSV_FLAG_NONE;
D3D12_CLEAR_VALUE depthOptimizedClearValue = {};
depthOptimizedClearValue.Format = DXGI_FORMAT_D32_FLOAT;
depthOptimizedClearValue.DepthStencil.Depth = 1.0f;
depthOptimizedClearValue.DepthStencil.Stencil = 0;
ThrowIfFailed(m_device->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT),
D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Tex2D(DXGI_FORMAT_D32_FLOAT, m_width, m_height, 1, 0, 1, 0, D3D12_RESOURCE_FLAG_ALLOW_DEPTH_STENCIL),
D3D12_RESOURCE_STATE_DEPTH_WRITE,
&depthOptimizedClearValue,
IID_PPV_ARGS(&m_depthStencil)
));
NAME_D3D12_OBJECT(m_depthStencil);
m_device->CreateDepthStencilView(m_depthStencil.Get(), &depthStencilDesc, m_dsvHeap->GetCPUDescriptorHandleForHeapStart());
}
// Close the command list and execute it to begin the initial GPU setup.
ThrowIfFailed(m_commandList->Close());
ID3D12CommandList* ppCommandLists[] = { m_commandList.Get() };
m_commandQueue->ExecuteCommandLists(_countof(ppCommandLists), ppCommandLists);
CreateFrameResources();
// Create synchronization objects and wait until assets have been uploaded to the GPU.
{
ThrowIfFailed(m_device->CreateFence(m_fenceValue, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS(&m_fence)));
m_fenceValue++;
// Create an event handle to use for frame synchronization.
m_fenceEvent = CreateEvent(nullptr, FALSE, FALSE, nullptr);
if (m_fenceEvent == nullptr)
{
ThrowIfFailed(HRESULT_FROM_WIN32(GetLastError()));
}
// Wait for the command list to execute; we are reusing the same command
// list in our main loop but for now, we just want to wait for setup to
// complete before continuing.
// Signal and increment the fence value.
const UINT64 fenceToWaitFor = m_fenceValue;
ThrowIfFailed(m_commandQueue->Signal(m_fence.Get(), fenceToWaitFor));
m_fenceValue++;
// Wait until the fence is completed.
ThrowIfFailed(m_fence->SetEventOnCompletion(fenceToWaitFor, m_fenceEvent));
WaitForSingleObject(m_fenceEvent, INFINITE);
}
}
// Load the rendering pipeline dependencies.
void D3D12PipelineStateCache::LoadPipeline()
{
#if defined(_DEBUG)
// Enable the D3D12 debug layer.
{
ComPtr<ID3D12Debug> debugController;
if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&debugController))))
{
debugController->EnableDebugLayer();
}
}
#endif
ComPtr<IDXGIFactory4> factory;
ThrowIfFailed(CreateDXGIFactory1(IID_PPV_ARGS(&factory)));
if (m_useWarpDevice)
{
ComPtr<IDXGIAdapter> warpAdapter;
ThrowIfFailed(factory->EnumWarpAdapter(IID_PPV_ARGS(&warpAdapter)));
ThrowIfFailed(D3D12CreateDevice(
warpAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
else
{
ComPtr<IDXGIAdapter1> hardwareAdapter;
GetHardwareAdapter(factory.Get(), &hardwareAdapter);
ThrowIfFailed(D3D12CreateDevice(
hardwareAdapter.Get(),
D3D_FEATURE_LEVEL_11_0,
IID_PPV_ARGS(&m_device)
));
}
// Describe and create the command queue.
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
ThrowIfFailed(m_device->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&m_commandQueue)));
NAME_D3D12_OBJECT(m_commandQueue);
// Describe and create the swap chain.
DXGI_SWAP_CHAIN_DESC1 swapChainDesc = {};
swapChainDesc.BufferCount = FrameCount;
swapChainDesc.Width = m_width;
swapChainDesc.Height = m_height;
swapChainDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
swapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
swapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
swapChainDesc.SampleDesc.Count = 1;
swapChainDesc.Flags = DXGI_SWAP_CHAIN_FLAG_FRAME_LATENCY_WAITABLE_OBJECT;
ComPtr<IDXGISwapChain1> swapChain;
ThrowIfFailed(factory->CreateSwapChainForCoreWindow(
m_commandQueue.Get(), // Swap chain needs the queue so that it can force a flush on it.
reinterpret_cast<IUnknown*>(Windows::UI::Core::CoreWindow::GetForCurrentThread()),
&swapChainDesc,
nullptr,
&swapChain
));
ThrowIfFailed(swapChain.As(&m_swapChain));
m_frameIndex = m_swapChain->GetCurrentBackBufferIndex();
m_swapChainEvent = m_swapChain->GetFrameLatencyWaitableObject();
// Create descriptor heaps.
{
// Describe and create a render target view (RTV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC rtvHeapDesc = {};
rtvHeapDesc.NumDescriptors = FrameCount + 1; // A descriptor for each frame + 1 intermediate render target.
rtvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
rtvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_NONE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&rtvHeapDesc, IID_PPV_ARGS(&m_rtvHeap)));
// Describe and create a shader resource view (SRV) descriptor heap.
D3D12_DESCRIPTOR_HEAP_DESC srvHeapDesc = {};
srvHeapDesc.NumDescriptors = 1;
srvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
srvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
ThrowIfFailed(m_device->CreateDescriptorHeap(&srvHeapDesc, IID_PPV_ARGS(&m_srvHeap)));
NAME_D3D12_OBJECT(m_srvHeap);
m_rtvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
m_srvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
}
// Create frame resources.
{
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeap->GetCPUDescriptorHandleForHeapStart());
// Create RTVs and a command allocator for each frame.
for (UINT n = 0; n < FrameCount; n++)
{
ThrowIfFailed(m_swapChain->GetBuffer(n, IID_PPV_ARGS(&m_renderTargets[n])));
m_device->CreateRenderTargetView(m_renderTargets[n].Get(), nullptr, rtvHandle);
rtvHandle.Offset(1, m_rtvDescriptorSize);
NAME_D3D12_OBJECT_INDEXED(m_renderTargets, n);
ThrowIfFailed(m_device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&m_commandAllocators[n])));
}
D3D12_RESOURCE_DESC renderTargetDesc = m_renderTargets[0]->GetDesc();
D3D12_CLEAR_VALUE clearValue = {};
memcpy(clearValue.Color, IntermediateClearColor, sizeof(IntermediateClearColor));
clearValue.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
// Create an intermediate render target that is the same dimensions as the swap chain.
ThrowIfFailed(m_device->CreateCommittedResource(
&CD3DX12_HEAP_PROPERTIES(D3D12_HEAP_TYPE_DEFAULT),
D3D12_HEAP_FLAG_NONE,
&renderTargetDesc,
D3D12_RESOURCE_STATE_RENDER_TARGET,
&clearValue,
IID_PPV_ARGS(&m_intermediateRenderTarget)));
NAME_D3D12_OBJECT(m_intermediateRenderTarget);
m_device->CreateRenderTargetView(m_intermediateRenderTarget.Get(), nullptr, rtvHandle);
rtvHandle.Offset(1, m_rtvDescriptorSize);
// Create a SRV of the intermediate render target.
D3D12_SHADER_RESOURCE_VIEW_DESC srvDesc = {};
srvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
srvDesc.Format = renderTargetDesc.Format;
srvDesc.ViewDimension = D3D12_SRV_DIMENSION_TEXTURE2D;
srvDesc.Texture2D.MipLevels = 1;
CD3DX12_CPU_DESCRIPTOR_HANDLE srvHandle(m_srvHeap->GetCPUDescriptorHandleForHeapStart());
m_device->CreateShaderResourceView(m_intermediateRenderTarget.Get(), &srvDesc, srvHandle);
}
}
// Fill the command list with all the render commands and dependent state.
void D3D12PipelineStateCache::PopulateCommandList()
{
// Command list allocators can only be reset when the associated
// command lists have finished execution on the GPU; apps should use
// fences to determine GPU execution progress.
ThrowIfFailed(m_commandAllocators[m_frameIndex]->Reset());
// However, when ExecuteCommandList() is called on a particular command
// list, that command list can then be reset at any time and must be before
// re-recording.
ThrowIfFailed(m_commandList->Reset(m_commandAllocators[m_frameIndex].Get(), nullptr));
// Set necessary state.
m_commandList->SetGraphicsRootSignature(m_rootSignature.Get());
ID3D12DescriptorHeap* ppHeaps[] = { m_srvHeap.Get() };
m_commandList->SetDescriptorHeaps(_countof(ppHeaps), ppHeaps);
m_commandList->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
m_commandList->RSSetViewports(1, &m_viewport);
m_commandList->RSSetScissorRects(1, &m_scissorRect);
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeap->GetCPUDescriptorHandleForHeapStart(), m_frameIndex, m_rtvDescriptorSize);
CD3DX12_CPU_DESCRIPTOR_HANDLE intermediateRtvHandle(m_rtvHeap->GetCPUDescriptorHandleForHeapStart(), FrameCount, m_rtvDescriptorSize);
CD3DX12_GPU_DESCRIPTOR_HANDLE srvHandle(m_srvHeap->GetGPUDescriptorHandleForHeapStart());
m_commandList->OMSetRenderTargets(1, &intermediateRtvHandle, FALSE, nullptr);
// Record commands.
m_commandList->ClearRenderTargetView(intermediateRtvHandle, IntermediateClearColor, 0, nullptr);
// Draw the scene as normal into the intermediate buffer.
PIXBeginEvent(m_commandList.Get(), 0, L"Draw cube");
{
static float rot = 0.0f;
DrawConstantBuffer* drawCB = (DrawConstantBuffer*)m_dynamicCB.GetMappedMemory(m_drawIndex, m_frameIndex);
drawCB->worldViewProjection = XMMatrixTranspose(XMMatrixRotationY(rot) * XMMatrixRotationX(-rot) * m_camera.GetViewMatrix() * m_projectionMatrix);
rot += 0.01f;
m_commandList->IASetVertexBuffers(0, 1, &m_cubeVbv);
m_commandList->IASetIndexBuffer(&m_cubeIbv);
m_psoLibrary.SetPipelineState(m_device.Get(), m_rootSignature.Get(), m_commandList.Get(), BaseNormal3DRender, m_frameIndex);
m_commandList->SetGraphicsRootConstantBufferView(RootParameterCB, m_dynamicCB.GetGpuVirtualAddress(m_drawIndex, m_frameIndex));
m_commandList->DrawIndexedInstanced(36, 1, 0, 0, 0);
m_drawIndex++;
}
PIXEndEvent(m_commandList.Get());
// Set up the state for a fullscreen quad.
m_commandList->IASetVertexBuffers(0, 1, &m_quadVbv);
m_commandList->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
// Indicate that the back buffer will be used as a render target and the
// intermediate render target will be used as a SRV.
D3D12_RESOURCE_BARRIER barriers[] = {
CD3DX12_RESOURCE_BARRIER::Transition(m_renderTargets[m_frameIndex].Get(), D3D12_RESOURCE_STATE_PRESENT, D3D12_RESOURCE_STATE_RENDER_TARGET),
CD3DX12_RESOURCE_BARRIER::Transition(m_intermediateRenderTarget.Get(), D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE)
};
m_commandList->ResourceBarrier(_countof(barriers), barriers);
m_commandList->SetGraphicsRootDescriptorTable(RootParameterSRV, m_srvHeap->GetGPUDescriptorHandleForHeapStart());
const float black[] = { 0.0f, 0.0f, 0.0f, 0.0f };
m_commandList->ClearRenderTargetView(rtvHandle, black, 0, nullptr);
m_commandList->OMSetRenderTargets(1, &rtvHandle, FALSE, nullptr);
// Draw some quads using the rendered scene with some effect shaders.
PIXBeginEvent(m_commandList.Get(), 0, L"Post-processing");
{
UINT quadCount = 0;
static const UINT quadsX = 3;
static const UINT quadsY = 3;
// Cycle through all of the effects.
for (UINT i = PostBlit; i < EffectPipelineTypeCount; i++)
{
if (m_enabledEffects[i])
{
D3D12_VIEWPORT viewport = {};
viewport.TopLeftX = (quadCount % quadsX) * (m_viewport.Width / quadsX);
viewport.TopLeftY = (quadCount / quadsY) * (m_viewport.Height / quadsY);
viewport.Width = m_viewport.Width / quadsX;
viewport.Height = m_viewport.Height / quadsY;
viewport.MinDepth = 0.0f;
viewport.MaxDepth = 0.0f;
PIXBeginEvent(m_commandList.Get(), 0, g_cEffectNames[i]);
m_commandList->RSSetViewports(1, &viewport);
m_psoLibrary.SetPipelineState(m_device.Get(), m_rootSignature.Get(), m_commandList.Get(), static_cast<EffectPipelineType>(i), m_frameIndex);
m_commandList->DrawInstanced(4, 1, 0, 0);
PIXEndEvent(m_commandList.Get());
}
quadCount++;
}
}
PIXEndEvent(m_commandList.Get());
// Revert resource states back to original values.
barriers[0].Transition.StateBefore = D3D12_RESOURCE_STATE_RENDER_TARGET;
barriers[0].Transition.StateAfter = D3D12_RESOURCE_STATE_PRESENT;
barriers[1].Transition.StateBefore = D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE;
barriers[1].Transition.StateAfter = D3D12_RESOURCE_STATE_RENDER_TARGET;
m_commandList->ResourceBarrier(_countof(barriers), barriers);
ThrowIfFailed(m_commandList->Close());
}
void TextureStore::loadTexture(wstring filename, string id)
{
TextureLoadResult result;
TextureInfo initialTexture; // only use to initialize struct in texture store - do not access this after assignment to store
vector<byte> file_buffer;
initialTexture.id = id;
textures[id] = initialTexture;
TextureInfo *texture = &textures[id];
// find texture file, look in pak file first:
PakEntry *pakFileEntry = nullptr;
pakFileEntry = xapp().findFileInPak(filename.c_str());
// try file system if not found in pak:
initialTexture.filename = filename; // TODO check: field not needed? only in this method? --> remove
if (pakFileEntry == nullptr) {
wstring binFile = xapp().findFile(filename.c_str(), XApp::TEXTURE);
texture->filename = binFile;
//initialTexture.filename = binFile;
xapp().readFile(texture->filename.c_str(), file_buffer, XApp::FileCategory::TEXTURE);
} else {
xapp().readFile(pakFileEntry, file_buffer, XApp::FileCategory::TEXTURE);
}
ID3D12GraphicsCommandList *commandList = this->commandList.Get();
//D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV
// create heap - TODO adjust for one heap for multiple textures
// Describe and create a shader resource view (SRV) heap for the texture.
D3D12_DESCRIPTOR_HEAP_DESC srvHeapDesc = {};
srvHeapDesc.NumDescriptors = 1;
srvHeapDesc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV;
srvHeapDesc.Flags = D3D12_DESCRIPTOR_HEAP_FLAG_SHADER_VISIBLE;
ThrowIfFailed(xapp().device->CreateDescriptorHeap(&srvHeapDesc, IID_PPV_ARGS(&texture->m_srvHeap)));
CD3DX12_CPU_DESCRIPTOR_HANDLE srvHandle(texture->m_srvHeap->GetCPUDescriptorHandleForHeapStart());
//CD3DX12_CPU_DESCRIPTOR_HANDLE(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
CreateDDSTextureFromMemory(
xapp().device.Get(),
&file_buffer[0],
file_buffer.size(),
0,
true,
&texture->texSRV,
srvHandle,
result
);
//CreateDDSTextureFromFile(
// xapp().device.Get(),
// texture->filename.c_str(),
// 0,
// true,
// &texture->texSRV,
// srvHandle,
// result
// );
// upload texture to GPU:
//ID3D12Resource* UploadBuffer;
UINT64 uploadBufferSize = GetRequiredIntermediateSize(texture->texSRV.Get(), 0, result.NumSubresources);
//CommandContext& InitContext = CommandContext::Begin();
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 = 1;
HeapProps.VisibleNodeMask = 1;
D3D12_RESOURCE_DESC BufferDesc;
BufferDesc.Dimension = D3D12_RESOURCE_DIMENSION_BUFFER;
BufferDesc.Alignment = 0;
BufferDesc.Width = uploadBufferSize;
BufferDesc.Height = 1;
BufferDesc.DepthOrArraySize = 1;
BufferDesc.MipLevels = 1;
BufferDesc.Format = DXGI_FORMAT_UNKNOWN;
BufferDesc.SampleDesc.Count = 1;
BufferDesc.SampleDesc.Quality = 0;
BufferDesc.Layout = D3D12_TEXTURE_LAYOUT_ROW_MAJOR;
BufferDesc.Flags = D3D12_RESOURCE_FLAG_NONE;
ThrowIfFailed(xapp().device->CreateCommittedResource(&HeapProps, D3D12_HEAP_FLAG_NONE,
&BufferDesc, D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr, IID_PPV_ARGS(&result.UploadBuffer)));
// copy data to the intermediate upload heap and then schedule a copy from the upload heap to the default texture
//InitContext.TransitionResource(Dest, D3D12_RESOURCE_STATE_COPY_DEST, true);
commandList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(texture->texSRV.Get(), D3D12_RESOURCE_STATE_COMMON, D3D12_RESOURCE_STATE_COPY_DEST));
UpdateSubresources(commandList, texture->texSRV.Get(), result.UploadBuffer, 0, 0, result.NumSubresources, result.initData.get());
commandList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(texture->texSRV.Get(), D3D12_RESOURCE_STATE_COPY_DEST, D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE));
//InitContext.TransitionResource(Dest, D3D12_RESOURCE_STATE_GENERIC_READ, true);
// Execute the command list and wait for it to finish so we can release the upload buffer
//InitContext.CloseAndExecute(true);
//UploadBuffer->Release();
ThrowIfFailed(commandList->Close());
ID3D12CommandList* ppCommandLists[] = { this->commandList.Get() };
xapp().commandQueue->ExecuteCommandLists(_countof(ppCommandLists), ppCommandLists);
// Create synchronization objects and wait until assets have been uploaded to the GPU.
//Sleep(300);
EffectBase::createSyncPoint(updateFrameData, xapp().commandQueue);
EffectBase::waitForSyncPoint(updateFrameData);
//auto &f = frameData[frameIndex];
//createSyncPoint(f, xapp().commandQueue);
//waitForSyncPoint(f);
result.UploadBuffer->Release();
ThrowIfFailed(commandList->Reset(commandAllocator.Get(), pipelineState.Get()));
}
void VolumetricAnimation::PopulateGraphicsCommandList()
{
HRESULT hr;
// Command list allocators can only be reset when the associated
// command lists have finished execution on the GPU; apps should use
// fences to determine GPU execution progress.
V( m_graphicCmdAllocator->Reset() );
// However, when ExecuteCommandList() is called on a particular command
// list, that command list can then be reset at any time and must be before
// re-recording.
V( m_graphicCmdList->Reset( m_graphicCmdAllocator.Get(), m_pipelineState.Get() ) );
XMMATRIX view = m_camera.GetViewMatrix();
XMMATRIX proj = m_camera.GetProjMatrix();
XMMATRIX world = XMMatrixRotationY( static_cast< float >( m_timer.GetTotalSeconds() ) );
m_constantBufferData.wvp = XMMatrixMultiply( view, proj );
//m_constantBufferData.wvp = XMMatrixMultiply( XMMatrixMultiply( world, view ), proj );
XMStoreFloat4( &m_constantBufferData.viewPos, m_camera.GetEyePt() );
memcpy( m_pCbvDataBegin, &m_constantBufferData, sizeof( m_constantBufferData ) );
// Set necessary state.
m_graphicCmdList->SetGraphicsRootSignature( m_graphicsRootSignature.Get() );
ID3D12DescriptorHeap* ppHeaps[] = { m_cbvsrvuavHeap.Get() };
m_graphicCmdList->SetDescriptorHeaps( _countof( ppHeaps ), ppHeaps );
CD3DX12_GPU_DESCRIPTOR_HANDLE cbvHandle( m_cbvsrvuavHeap->GetGPUDescriptorHandleForHeapStart(), RootParameterCBV, m_cbvsrvuavDescriptorSize );
CD3DX12_GPU_DESCRIPTOR_HANDLE srvHandle( m_cbvsrvuavHeap->GetGPUDescriptorHandleForHeapStart(), RootParameterSRV, m_cbvsrvuavDescriptorSize );
m_graphicCmdList->SetGraphicsRootDescriptorTable( RootParameterCBV, cbvHandle );
m_graphicCmdList->SetGraphicsRootDescriptorTable( RootParameterSRV, srvHandle );
m_graphicCmdList->RSSetViewports( 1, &m_viewport );
m_graphicCmdList->RSSetScissorRects( 1, &m_scissorRect );
// Indicate that the back buffer will be used as a render target.
D3D12_RESOURCE_BARRIER resourceBarriersBefore[] = {
CD3DX12_RESOURCE_BARRIER::Transition( m_renderTargets[m_frameIndex].Get(), D3D12_RESOURCE_STATE_PRESENT, D3D12_RESOURCE_STATE_RENDER_TARGET ),
CD3DX12_RESOURCE_BARRIER::Transition( m_volumeBuffer.Get(), D3D12_RESOURCE_STATE_UNORDERED_ACCESS, D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE )
};
m_graphicCmdList->ResourceBarrier( 2, resourceBarriersBefore );
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle( m_rtvHeap->GetCPUDescriptorHandleForHeapStart(), m_frameIndex, m_rtvDescriptorSize );
m_graphicCmdList->OMSetRenderTargets( 1, &rtvHandle, FALSE, &m_dsvHeap->GetCPUDescriptorHandleForHeapStart() );
// Record commands.
const float clearColor[] = { 0.0f, 0.0f, 0.0f, 0.0f };
m_graphicCmdList->ClearRenderTargetView( rtvHandle, clearColor, 0, nullptr );
m_graphicCmdList->ClearDepthStencilView( m_dsvHeap->GetCPUDescriptorHandleForHeapStart(), D3D12_CLEAR_FLAG_DEPTH, 1.0f, 0, 0, nullptr );
m_graphicCmdList->IASetPrimitiveTopology( D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST );
m_graphicCmdList->IASetVertexBuffers( 0, 1, &m_vertexBufferView );
m_graphicCmdList->IASetIndexBuffer( &m_indexBufferView );
m_graphicCmdList->DrawIndexedInstanced( 36, 1, 0, 0, 0 );
// Indicate that the back buffer will now be used to present.
D3D12_RESOURCE_BARRIER resourceBarriersAfter[] = {
CD3DX12_RESOURCE_BARRIER::Transition( m_renderTargets[m_frameIndex].Get(), D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_PRESENT ),
CD3DX12_RESOURCE_BARRIER::Transition( m_volumeBuffer.Get(), D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE, D3D12_RESOURCE_STATE_UNORDERED_ACCESS )
};
m_graphicCmdList->ResourceBarrier( 2, resourceBarriersAfter );
V( m_graphicCmdList->Close() );
}
// Load the assets.
HRESULT VolumetricAnimation::LoadAssets()
{
HRESULT hr;
// Create a root signature consisting of a descriptor table with a CBV SRV and a sampler.
{
CD3DX12_DESCRIPTOR_RANGE ranges[3];
CD3DX12_ROOT_PARAMETER rootParameters[3];
ranges[0].Init( D3D12_DESCRIPTOR_RANGE_TYPE_CBV, 1, 0 );
ranges[1].Init( D3D12_DESCRIPTOR_RANGE_TYPE_SRV, 1, 0 );
ranges[2].Init( D3D12_DESCRIPTOR_RANGE_TYPE_UAV, 1, 0 );
rootParameters[RootParameterCBV].InitAsDescriptorTable( 1, &ranges[0], D3D12_SHADER_VISIBILITY_ALL );
rootParameters[RootParameterSRV].InitAsDescriptorTable( 1, &ranges[1], D3D12_SHADER_VISIBILITY_PIXEL );
rootParameters[RootParameterUAV].InitAsDescriptorTable( 1, &ranges[2], D3D12_SHADER_VISIBILITY_ALL );
D3D12_STATIC_SAMPLER_DESC sampler = {};
sampler.Filter = D3D12_FILTER_MIN_MAG_MIP_POINT;
sampler.AddressU = D3D12_TEXTURE_ADDRESS_MODE_BORDER;
sampler.AddressV = D3D12_TEXTURE_ADDRESS_MODE_BORDER;
sampler.AddressW = D3D12_TEXTURE_ADDRESS_MODE_BORDER;
sampler.MipLODBias = 0;
sampler.MaxAnisotropy = 0;
sampler.ComparisonFunc = D3D12_COMPARISON_FUNC_NEVER;
sampler.BorderColor = D3D12_STATIC_BORDER_COLOR_TRANSPARENT_BLACK;
sampler.MinLOD = 0.0f;
sampler.MaxLOD = D3D12_FLOAT32_MAX;
sampler.ShaderRegister = 0;
sampler.RegisterSpace = 0;
sampler.ShaderVisibility = D3D12_SHADER_VISIBILITY_PIXEL;
// Allow input layout and deny unnecessary access to certain pipeline stages.
D3D12_ROOT_SIGNATURE_FLAGS rootSignatureFlags =
D3D12_ROOT_SIGNATURE_FLAG_ALLOW_INPUT_ASSEMBLER_INPUT_LAYOUT |
D3D12_ROOT_SIGNATURE_FLAG_DENY_HULL_SHADER_ROOT_ACCESS |
D3D12_ROOT_SIGNATURE_FLAG_DENY_DOMAIN_SHADER_ROOT_ACCESS |
D3D12_ROOT_SIGNATURE_FLAG_DENY_GEOMETRY_SHADER_ROOT_ACCESS;
CD3DX12_ROOT_SIGNATURE_DESC rootSignatureDesc;
rootSignatureDesc.Init( _countof(rootParameters), rootParameters, 1, &sampler, rootSignatureFlags );
ComPtr<ID3DBlob> signature;
ComPtr<ID3DBlob> error;
V( D3D12SerializeRootSignature( &rootSignatureDesc, D3D_ROOT_SIGNATURE_VERSION_1, &signature, &error ) );
if ( error ) PRINTERROR( reinterpret_cast< const char* >( error->GetBufferPointer() ) );
VRET( m_device->CreateRootSignature( 0, signature->GetBufferPointer(), signature->GetBufferSize(), IID_PPV_ARGS( &m_graphicsRootSignature ) ) );
DXDebugName( m_graphicsRootSignature );
// Create compute signature. Must change visibility for the SRV.
rootParameters[RootParameterSRV].ShaderVisibility = D3D12_SHADER_VISIBILITY_ALL;
CD3DX12_ROOT_SIGNATURE_DESC computeRootSignatureDesc( _countof( rootParameters ), rootParameters, 0, nullptr );
VRET( D3D12SerializeRootSignature( &computeRootSignatureDesc, D3D_ROOT_SIGNATURE_VERSION_1, &signature, &error ) );
VRET( m_device->CreateRootSignature( 0, signature->GetBufferPointer(), signature->GetBufferSize(), IID_PPV_ARGS( &m_computeRootSignature ) ) );
}
// Create the pipeline state, which includes compiling and loading shaders.
{
ComPtr<ID3DBlob> vertexShader;
ComPtr<ID3DBlob> pixelShader;
ComPtr<ID3DBlob> computeShader;
UINT compileFlags = 0;
VRET( CompileShaderFromFile( GetAssetFullPath( _T( "VolumetricAnimation_shader.hlsl" ) ).c_str(), nullptr, D3D_COMPILE_STANDARD_FILE_INCLUDE, "vsmain", "vs_5_0", compileFlags, 0, &vertexShader ) );
VRET( CompileShaderFromFile( GetAssetFullPath( _T( "VolumetricAnimation_shader.hlsl" ) ).c_str(), nullptr, D3D_COMPILE_STANDARD_FILE_INCLUDE, "psmain", "ps_5_0", compileFlags, 0, &pixelShader ) );
VRET( CompileShaderFromFile( GetAssetFullPath( _T( "VolumetricAnimation_shader.hlsl" ) ).c_str(), nullptr, D3D_COMPILE_STANDARD_FILE_INCLUDE, "csmain", "cs_5_0", compileFlags, 0, &computeShader ) );
// Define the vertex input layout.
D3D12_INPUT_ELEMENT_DESC inputElementDescs[] =
{
{ "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, D3D12_APPEND_ALIGNED_ELEMENT, D3D12_INPUT_CLASSIFICATION_PER_VERTEX_DATA, 0 }
};
CD3DX12_DEPTH_STENCIL_DESC depthStencilDesc( D3D12_DEFAULT );
depthStencilDesc.DepthEnable = true;
depthStencilDesc.DepthWriteMask = D3D12_DEPTH_WRITE_MASK_ALL;
depthStencilDesc.DepthFunc = D3D12_COMPARISON_FUNC_LESS_EQUAL;
depthStencilDesc.StencilEnable = FALSE;
// Describe and create the graphics pipeline state object (PSO).
D3D12_GRAPHICS_PIPELINE_STATE_DESC psoDesc = {};
psoDesc.InputLayout = { inputElementDescs, _countof( inputElementDescs ) };
psoDesc.pRootSignature = m_graphicsRootSignature.Get();
psoDesc.VS = { reinterpret_cast< UINT8* >( vertexShader->GetBufferPointer() ), vertexShader->GetBufferSize() };
psoDesc.PS = { reinterpret_cast< UINT8* >( pixelShader->GetBufferPointer() ), pixelShader->GetBufferSize() };
psoDesc.RasterizerState = CD3DX12_RASTERIZER_DESC( D3D12_DEFAULT );
psoDesc.BlendState = CD3DX12_BLEND_DESC( D3D12_DEFAULT );
psoDesc.DepthStencilState = depthStencilDesc;
psoDesc.SampleMask = UINT_MAX;
psoDesc.PrimitiveTopologyType = D3D12_PRIMITIVE_TOPOLOGY_TYPE_TRIANGLE;
psoDesc.NumRenderTargets = 1;
psoDesc.RTVFormats[0] = DXGI_FORMAT_R8G8B8A8_UNORM;
psoDesc.DSVFormat = DXGI_FORMAT_D32_FLOAT;
psoDesc.SampleDesc.Count = 1;
VRET( m_device->CreateGraphicsPipelineState( &psoDesc, IID_PPV_ARGS( &m_pipelineState ) ) );
DXDebugName( m_pipelineState );
// Describe and create the compute pipeline state object (PSO).
D3D12_COMPUTE_PIPELINE_STATE_DESC computePsoDesc = {};
computePsoDesc.pRootSignature = m_computeRootSignature.Get();
computePsoDesc.CS = { reinterpret_cast< UINT8* >( computeShader->GetBufferPointer() ), computeShader->GetBufferSize() };
VRET( m_device->CreateComputePipelineState( &computePsoDesc, IID_PPV_ARGS( &m_computeState ) ) );
DXDebugName( m_computeState );
}
// Create the compute command list.
VRET( m_device->CreateCommandList( 0, D3D12_COMMAND_LIST_TYPE_COMPUTE, m_computeCmdAllocator.Get(),m_computeState.Get(), IID_PPV_ARGS( &m_computeCmdList ) ) );
DXDebugName( m_computeCmdList );
VRET( m_computeCmdList->Close() );
// Create the graphics command list.
VRET( m_device->CreateCommandList( 0, D3D12_COMMAND_LIST_TYPE_DIRECT, m_graphicCmdAllocator.Get(), m_pipelineState.Get(), IID_PPV_ARGS( &m_graphicCmdList ) ) );
DXDebugName( m_graphicCmdList );
// Note: ComPtr's are CPU objects but this resource needs to stay in scope until
// the command list that references it has finished executing on the GPU.
// We will flush the GPU at the end of this method to ensure the resource is not
// prematurely destroyed.
ComPtr<ID3D12Resource> volumeBufferUploadHeap;
// Create the volumeBuffer.
{
UINT volumeBufferSize = m_volumeDepth*m_volumeHeight*m_volumeWidth * 4 * sizeof( UINT8 );
D3D12_RESOURCE_DESC bufferDesc = CD3DX12_RESOURCE_DESC::Buffer( volumeBufferSize, D3D12_RESOURCE_FLAG_ALLOW_UNORDERED_ACCESS );
D3D12_RESOURCE_DESC uploadBufferDesc = CD3DX12_RESOURCE_DESC::Buffer( volumeBufferSize );
VRET( m_device->CreateCommittedResource(&CD3DX12_HEAP_PROPERTIES( D3D12_HEAP_TYPE_DEFAULT ),D3D12_HEAP_FLAG_NONE,
&bufferDesc,D3D12_RESOURCE_STATE_COPY_DEST,nullptr,IID_PPV_ARGS( &m_volumeBuffer ) ) );
const UINT64 uploadBufferSize = GetRequiredIntermediateSize( m_volumeBuffer.Get(), 0, 1 );
// Create the GPU upload buffer.
VRET( m_device->CreateCommittedResource(&CD3DX12_HEAP_PROPERTIES( D3D12_HEAP_TYPE_UPLOAD ),D3D12_HEAP_FLAG_NONE,
&uploadBufferDesc,D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr,IID_PPV_ARGS( &volumeBufferUploadHeap ) ) );
// Copy data to the intermediate upload heap and then schedule a copy
// from the upload heap to the Texture2D.
UINT8* volumeBuffer = ( UINT8* ) malloc( volumeBufferSize );
memset( volumeBuffer, 64, volumeBufferSize );
//float radius = m_volumeHeight / 2.f;
float a = m_volumeWidth / 2.f;
float b = m_volumeHeight / 2.f;
float c = m_volumeDepth / 2.f;
float radius = sqrt( a*a + b*b + c*c );
for ( UINT z = 0; z < m_volumeDepth; z++ )
for ( UINT y = 0; y < m_volumeHeight; y++ )
for ( UINT x = 0; x < m_volumeWidth; x++ )
{
float _x = x - m_volumeWidth / 2.f;
float _y = y - m_volumeHeight / 2.f;
float _z = z - m_volumeDepth / 2.f;
//float currentRaidus =abs(_x)+abs(_y)+abs(_z);
float currentRaidus = sqrt( _x*_x + _y*_y + _z*_z );
float scale = currentRaidus *3.f / radius;
UINT idx = 4 - (UINT)floor( scale );
UINT interm = ( UINT ) ( 192 * scale +0.5f );
UINT8 col = interm % 192+1;
volumeBuffer[( x + y*m_volumeWidth + z*m_volumeHeight*m_volumeWidth ) * 4 + 0] += col * m_constantBufferData.colVal[idx].x;
volumeBuffer[( x + y*m_volumeWidth + z*m_volumeHeight*m_volumeWidth ) * 4 + 1] += col * m_constantBufferData.colVal[idx].y;
volumeBuffer[( x + y*m_volumeWidth + z*m_volumeHeight*m_volumeWidth ) * 4 + 2] += col * m_constantBufferData.colVal[idx].z;
volumeBuffer[( x + y*m_volumeWidth + z*m_volumeHeight*m_volumeWidth ) * 4 + 3] = m_constantBufferData.colVal[idx].w;
}
D3D12_SUBRESOURCE_DATA volumeBufferData = {};
volumeBufferData.pData = &volumeBuffer[0];
volumeBufferData.RowPitch = volumeBufferSize;
volumeBufferData.SlicePitch = volumeBufferData.RowPitch;
UpdateSubresources( m_graphicCmdList.Get(), m_volumeBuffer.Get(), volumeBufferUploadHeap.Get(), 0, 0, 1, &volumeBufferData );
m_graphicCmdList->ResourceBarrier( 1, &CD3DX12_RESOURCE_BARRIER::Transition( m_volumeBuffer.Get(), D3D12_RESOURCE_STATE_COPY_DEST, D3D12_RESOURCE_STATE_UNORDERED_ACCESS ) );
// Describe and create a SRV for the volumeBuffer.
D3D12_SHADER_RESOURCE_VIEW_DESC srvDesc = {};
srvDesc.Shader4ComponentMapping = D3D12_DEFAULT_SHADER_4_COMPONENT_MAPPING;
srvDesc.Format = DXGI_FORMAT_UNKNOWN;
srvDesc.ViewDimension = D3D12_SRV_DIMENSION_BUFFER;
srvDesc.Buffer.FirstElement = 0;
srvDesc.Buffer.NumElements = m_volumeDepth*m_volumeHeight*m_volumeWidth;
srvDesc.Buffer.StructureByteStride = 4 * sizeof( UINT8 );
srvDesc.Buffer.Flags = D3D12_BUFFER_SRV_FLAG_NONE;
CD3DX12_CPU_DESCRIPTOR_HANDLE srvHandle( m_cbvsrvuavHeap->GetCPUDescriptorHandleForHeapStart(), RootParameterSRV, m_cbvsrvuavDescriptorSize );
m_device->CreateShaderResourceView( m_volumeBuffer.Get(), &srvDesc, srvHandle );
// Describe and create a UAV for the volumeBuffer.
D3D12_UNORDERED_ACCESS_VIEW_DESC uavDesc = {};
uavDesc.Format = DXGI_FORMAT_UNKNOWN;
uavDesc.ViewDimension = D3D12_UAV_DIMENSION_BUFFER;
uavDesc.Buffer.FirstElement = 0;
uavDesc.Buffer.NumElements = m_volumeWidth*m_volumeHeight*m_volumeDepth;
uavDesc.Buffer.StructureByteStride = 4 * sizeof( UINT8 );
uavDesc.Buffer.CounterOffsetInBytes = 0;
uavDesc.Buffer.Flags = D3D12_BUFFER_UAV_FLAG_NONE;
CD3DX12_CPU_DESCRIPTOR_HANDLE uavHandle( m_cbvsrvuavHeap->GetCPUDescriptorHandleForHeapStart(), RootParameterUAV, m_cbvsrvuavDescriptorSize );
m_device->CreateUnorderedAccessView( m_volumeBuffer.Get(), nullptr, &uavDesc, uavHandle );
free( volumeBuffer );
}
// Create the vertex buffer.
// Note: ComPtr's are CPU objects but this resource needs to stay in scope until
// the command list that references it has finished executing on the GPU.
// We will flush the GPU at the end of this method to ensure the resource is not
// prematurely destroyed.
ComPtr<ID3D12Resource> vertexBufferUpload;
{
// Define the geometry for a triangle.
Vertex cubeVertices[] =
{
{ XMFLOAT3( -128.f, -128.f, -128.f ) },
{ XMFLOAT3( -128.f, -128.f, 128.f ) },
{ XMFLOAT3( -128.f, 128.f, -128.f ) },
{ XMFLOAT3( -128.f, 128.f, 128.f ) },
{ XMFLOAT3( 128.f, -128.f, -128.f )},
{ XMFLOAT3( 128.f, -128.f, 128.f )},
{ XMFLOAT3( 128.f, 128.f, -128.f )},
{ XMFLOAT3( 128.f, 128.f, 128.f )},
};
const UINT vertexBufferSize = sizeof( cubeVertices );
VRET( 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( &vertexBufferUpload ) ) );
VRET( m_device->CreateCommittedResource( &CD3DX12_HEAP_PROPERTIES( D3D12_HEAP_TYPE_DEFAULT ), D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer( vertexBufferSize ), D3D12_RESOURCE_STATE_COPY_DEST,
nullptr, IID_PPV_ARGS( &m_vertexBuffer ) ) );
DXDebugName( m_vertexBuffer );
D3D12_SUBRESOURCE_DATA vertexData = {};
vertexData.pData = reinterpret_cast< UINT8* >( cubeVertices );
vertexData.RowPitch = vertexBufferSize;
vertexData.SlicePitch = vertexBufferSize;
UpdateSubresources<1>( m_graphicCmdList.Get(), m_vertexBuffer.Get(), vertexBufferUpload.Get(), 0, 0, 1, &vertexData );
m_graphicCmdList->ResourceBarrier( 1, &CD3DX12_RESOURCE_BARRIER::Transition( m_vertexBuffer.Get(), D3D12_RESOURCE_STATE_COPY_DEST,
D3D12_RESOURCE_STATE_VERTEX_AND_CONSTANT_BUFFER ));
// Initialize the vertex buffer view.
m_vertexBufferView.BufferLocation = m_vertexBuffer->GetGPUVirtualAddress();
m_vertexBufferView.StrideInBytes = sizeof( Vertex );
m_vertexBufferView.SizeInBytes = vertexBufferSize;
}
// Create the index buffer
// Note: ComPtr's are CPU objects but this resource needs to stay in scope until
// the command list that references it has finished executing on the GPU.
// We will flush the GPU at the end of this method to ensure the resource is not
// prematurely destroyed.
ComPtr<ID3D12Resource> indexBufferUpload;
{
uint16_t cubeIndices[] =
{
0,2,1, 1,2,3, 4,5,6, 5,7,6, 0,1,5, 0,5,4, 2,6,7, 2,7,3, 0,4,6, 0,6,2, 1,3,7, 1,7,5,
};
const UINT indexBufferSize = sizeof( cubeIndices );
VRET( m_device->CreateCommittedResource( &CD3DX12_HEAP_PROPERTIES( D3D12_HEAP_TYPE_UPLOAD ), D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer( indexBufferSize ), D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr, IID_PPV_ARGS( &indexBufferUpload ) ) );
VRET( m_device->CreateCommittedResource( &CD3DX12_HEAP_PROPERTIES( D3D12_HEAP_TYPE_DEFAULT ), D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer( indexBufferSize ), D3D12_RESOURCE_STATE_COPY_DEST,
nullptr, IID_PPV_ARGS( &m_indexBuffer ) ) );
DXDebugName( m_indexBuffer );
D3D12_SUBRESOURCE_DATA indexData = {};
indexData.pData = reinterpret_cast< UINT8* >( cubeIndices );
indexData.RowPitch = indexBufferSize;
indexData.SlicePitch = indexBufferSize;
UpdateSubresources<1>( m_graphicCmdList.Get(), m_indexBuffer.Get(), indexBufferUpload.Get(), 0, 0, 1, &indexData );
m_graphicCmdList->ResourceBarrier( 1, &CD3DX12_RESOURCE_BARRIER::Transition( m_indexBuffer.Get(), D3D12_RESOURCE_STATE_COPY_DEST,
D3D12_RESOURCE_STATE_INDEX_BUFFER ) );
m_indexBufferView.BufferLocation = m_indexBuffer->GetGPUVirtualAddress();
m_indexBufferView.SizeInBytes = sizeof( cubeIndices );
m_indexBufferView.Format = DXGI_FORMAT_R16_UINT;
}
// Create the constant buffer
{
VRET( m_device->CreateCommittedResource( &CD3DX12_HEAP_PROPERTIES( D3D12_HEAP_TYPE_UPLOAD ), D3D12_HEAP_FLAG_NONE,
&CD3DX12_RESOURCE_DESC::Buffer( 1024 * 64 ), D3D12_RESOURCE_STATE_GENERIC_READ,
nullptr, IID_PPV_ARGS( &m_constantBuffer ) ) );
DXDebugName( m_constantBuffer );
// Describe and create a constant buffer view.
D3D12_CONSTANT_BUFFER_VIEW_DESC cbvDesc = {};
cbvDesc.BufferLocation = m_constantBuffer->GetGPUVirtualAddress();
cbvDesc.SizeInBytes = ( sizeof( ConstantBuffer ) + 255 ) & ~255; // CB size is required to be 256-byte aligned.
m_device->CreateConstantBufferView( &cbvDesc, m_cbvsrvuavHeap->GetCPUDescriptorHandleForHeapStart() );
// Initialize and map the constant buffers. We don't unmap this until the
// app closes. Keeping things mapped for the lifetime of the resource is okay.
CD3DX12_RANGE readRange( 0, 0 ); // We do not intend to read from this resource on the CPU.
VRET( m_constantBuffer->Map( 0, &readRange, reinterpret_cast< void** >( &m_pCbvDataBegin ) ) );
memcpy( m_pCbvDataBegin, &m_constantBufferData, sizeof( m_constantBufferData ) );
}
// Close the command list and execute it to begin the initial GPU setup.
VRET( m_graphicCmdList->Close() );
ID3D12CommandList* ppCommandLists[] = { m_graphicCmdList.Get() };
m_graphicCmdQueue->ExecuteCommandLists( _countof( ppCommandLists ), ppCommandLists );
// Create synchronization objects and wait until assets have been uploaded to the GPU.
{
VRET( m_device->CreateFence( 0, D3D12_FENCE_FLAG_NONE, IID_PPV_ARGS( &m_fence ) ) );
DXDebugName( m_fence );
m_fenceValue = 1;
// Create an event handle to use for frame synchronization.
m_fenceEvent = CreateEvent( nullptr, FALSE, FALSE, nullptr );
if ( m_fenceEvent == nullptr )
{
VRET( HRESULT_FROM_WIN32( GetLastError() ) );
}
// Wait for the command list to execute; we are reusing the same command
// list in our main loop but for now, we just want to wait for setup to
// complete before continuing.
WaitForGraphicsCmd();
}
XMVECTORF32 vecEye = { 500.0f, 500.0f, -500.0f };
XMVECTORF32 vecAt = { 0.0f, 0.0f, 0.0f };
m_camera.SetViewParams( vecEye, vecAt );
m_camera.SetEnablePositionMovement( true );
m_camera.SetButtonMasks( MOUSE_RIGHT_BUTTON, MOUSE_WHEEL, MOUSE_LEFT_BUTTON );
return S_OK;
}
/**
***************************************************************************************************
* DX12ImageRenderer::CaptureImage
*
* @brief
* Convert a DX12 resource to a CPU-visible linear buffer of pixels. The data is filled
* in a user-provided CpuImage struct.
*
* IMPORTANT: Memory inside pImgOut is allocated on behalf of the caller, so it is their
* responsibility to free it.
*
* @return
* S_OK if successful.
***************************************************************************************************
*/
HRESULT DX12ImageRenderer::CaptureImage(
ID3D12Resource* pRes,
D3D12_RESOURCE_STATES prevState,
UINT newWidth,
UINT newHeight,
CpuImage* pImgOut,
bool bFlipX,
bool bFlipY)
{
HRESULT result = E_FAIL;
if ((pRes != nullptr) && (pImgOut != nullptr) && (newWidth > 0) && (newHeight > 0))
{
// Create temp assets
result = CreateCaptureAssets(pRes, newWidth, newHeight);
if (result == S_OK)
{
result = m_pCmdAllocator->Reset();
}
if (result == S_OK)
{
result = m_pCmdList->Reset(m_pCmdAllocator, m_pPipelineStateGraphics);
}
// Render work
if (result == S_OK)
{
// Set root sig
m_pCmdList->SetGraphicsRootSignature(m_pRootSignatureGraphics);
// Set descriptors and tables
ID3D12DescriptorHeap* ppHeaps[] = { m_pSrvUavCbHeap };
m_pCmdList->SetDescriptorHeaps(_countof(ppHeaps), ppHeaps);
CD3DX12_GPU_DESCRIPTOR_HANDLE srvHandle(m_pSrvUavCbHeap->GetGPUDescriptorHandleForHeapStart(), RootParameterSRV, m_srvUavCbDescriptorSize);
CD3DX12_GPU_DESCRIPTOR_HANDLE uavHandle(m_pSrvUavCbHeap->GetGPUDescriptorHandleForHeapStart(), RootParameterUAV, m_srvUavCbDescriptorSize);
CD3DX12_GPU_DESCRIPTOR_HANDLE cbHandle(m_pSrvUavCbHeap->GetGPUDescriptorHandleForHeapStart(), RootParameterCBV, m_srvUavCbDescriptorSize);
m_pCmdList->SetGraphicsRootDescriptorTable(RootParameterSRV, srvHandle);
m_pCmdList->SetGraphicsRootDescriptorTable(RootParameterUAV, uavHandle);
m_pCmdList->SetGraphicsRootDescriptorTable(RootParameterCBV, cbHandle);
// Set viewport
D3D12_VIEWPORT viewport = {};
viewport.Width = static_cast<float>(newWidth);
viewport.Height = static_cast<float>(newHeight);
viewport.MaxDepth = 1.0f;
m_pCmdList->RSSetViewports(1, &viewport);
// Set scissor
D3D12_RECT scissorRect = {};
scissorRect.right = static_cast<LONG>(newWidth);
scissorRect.bottom = static_cast<LONG>(newHeight);
m_pCmdList->RSSetScissorRects(1, &scissorRect);
// Update const buf
m_constantBufferData.rtWidth = newWidth;
m_constantBufferData.flipX = bFlipX ? 1 : 0;
m_constantBufferData.flipY = bFlipY ? 1 : 0;
CD3DX12_RANGE readRange(0, 0);
result = m_pConstantBuffer->Map(0, &readRange, reinterpret_cast<void**>(&m_pCbvDataBegin));
memcpy(m_pCbvDataBegin, &m_constantBufferData, sizeof(m_constantBufferData));
m_pConstantBuffer->Unmap(0, nullptr);
// Set RT
CD3DX12_CPU_DESCRIPTOR_HANDLE internalRtvHandle(m_pInternalRtvHeap->GetCPUDescriptorHandleForHeapStart());
m_config.pDevice->CreateRenderTargetView(m_pInternalRT, nullptr, internalRtvHandle);
m_pCmdList->OMSetRenderTargets(1, &internalRtvHandle, FALSE, nullptr);
// Record commands
m_pCmdList->ClearRenderTargetView(internalRtvHandle, ClearColor, 0, nullptr);
m_pCmdList->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLELIST);
CD3DX12_RESOURCE_BARRIER barrier = {};
// Render full screen quad and write out UAV
barrier = CD3DX12_RESOURCE_BARRIER::Transition(pRes, prevState, D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE);
m_pCmdList->ResourceBarrier(1, &barrier);
m_pCmdList->DrawInstanced(3, 1, 0, 0);
#if OVERWRITE_SRC_RES
barrier = CD3DX12_RESOURCE_BARRIER::Transition(pRes, D3D12_RESOURCE_STATE_PIXEL_SHADER_RESOURCE, D3D12_RESOURCE_STATE_COPY_DEST);
m_pCmdList->ResourceBarrier(1, &barrier);
barrier = CD3DX12_RESOURCE_BARRIER::Transition(m_pInternalRT, D3D12_RESOURCE_STATE_RENDER_TARGET, D3D12_RESOURCE_STATE_COPY_SOURCE);
m_pCmdList->ResourceBarrier(1, &barrier);
m_pCmdList->CopyResource(pRes, m_pInternalRT);
barrier = CD3DX12_RESOURCE_BARRIER::Transition(m_pInternalRT, D3D12_RESOURCE_STATE_COPY_SOURCE, D3D12_RESOURCE_STATE_RENDER_TARGET);
m_pCmdList->ResourceBarrier(1, &barrier);
barrier = CD3DX12_RESOURCE_BARRIER::Transition(pRes, D3D12_RESOURCE_STATE_COPY_DEST, prevState);
m_pCmdList->ResourceBarrier(1, &barrier);
#endif
// Copy UAV to CPU-visible buffer
barrier = CD3DX12_RESOURCE_BARRIER::Transition(m_pPSWriteBuf, D3D12_RESOURCE_STATE_UNORDERED_ACCESS, D3D12_RESOURCE_STATE_COPY_SOURCE);
m_pCmdList->ResourceBarrier(1, &barrier);
m_pCmdList->CopyResource(m_pPSWriteBufReadBack, m_pPSWriteBuf);
barrier = CD3DX12_RESOURCE_BARRIER::Transition(m_pPSWriteBuf, D3D12_RESOURCE_STATE_COPY_SOURCE, D3D12_RESOURCE_STATE_UNORDERED_ACCESS);
m_pCmdList->ResourceBarrier(1, &barrier);
// Execute the command list
result = m_pCmdList->Close();
ID3D12CommandList* ppCommandLists[] = { m_pCmdList };
m_config.pCmdQueue->ExecuteCommandLists(_countof(ppCommandLists), ppCommandLists);
WaitCmdListFinish();
// Read back UAV results
void* pUavData = nullptr;
result = m_pPSWriteBufReadBack->Map(0, &readRange, &pUavData);
if (result == S_OK)
{
const UINT totalBytes = newWidth * newHeight * BytesPerPixel;
pImgOut->pitch = newWidth * BytesPerPixel;
pImgOut->width = newWidth;
pImgOut->height = newHeight;
pImgOut->pData = new char[totalBytes];
memcpy(pImgOut->pData, pUavData, totalBytes);
m_pPSWriteBufReadBack->Unmap(0, nullptr);
}
}
// Free temp assets
FreeCaptureAssets();
}
return result;
}