ID3D12GraphicsCommandList 介面 (d3d12.h)
封裝用於轉譯的圖形命令清單。 包含用來檢測命令清單執行的 API，以及用於設定和清除管線狀態。
注意這個介面的最新版本是 Windows 10 Creators Update 中引進的ID3D12GraphicsCommandList1。 以 Windows 10 Creators Update 為目標的應用程式應該使用 ID3D12GraphicsCommandList1 介面，而不是 ID3D12GraphicsCommandList。
繼承
ID3D12GraphicsCommandList 介面繼承自 ID3D12CommandList。 ID3D12GraphicsCommandList 也有下列類型的成員：
方法
ID3D12GraphicsCommandList 介面具有這些方法。
備註
這個介面是 D3D12 的新功能，封裝 ID3D11CommandList 介面的大部分功能，包括 轉譯中所述的新功能。
範例
D3D12nBodyGravity 範例會使用 ID3D12GraphicsCommandList，如下所示：
宣告管線物件。
D3D12_VIEWPORT m_viewport;
D3D12_RECT m_scissorRect;
ComPtr<IDXGISwapChain3> m_swapChain;
ComPtr<ID3D12Device> m_device;
ComPtr<ID3D12Resource> m_renderTargets[FrameCount];
ComPtr<ID3D12CommandAllocator> m_commandAllocator;
ComPtr<ID3D12CommandQueue> m_commandQueue;
ComPtr<ID3D12RootSignature> m_rootSignature;
ComPtr<ID3D12DescriptorHeap> m_rtvHeap;
ComPtr<ID3D12PipelineState> m_pipelineState;
ComPtr<ID3D12GraphicsCommandList> m_commandList;
UINT m_rtvDescriptorSize;
填入命令清單。
// Fill the command list with all the render commands and dependent state.
void D3D12nBodyGravity::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->SetPipelineState(m_pipelineState.Get());
m_commandList->SetGraphicsRootSignature(m_rootSignature.Get());
m_commandList->SetGraphicsRootConstantBufferView(RootParameterCB, m_constantBufferGS->GetGPUVirtualAddress() + m_frameIndex * sizeof(ConstantBufferGS));
ID3D12DescriptorHeap* ppHeaps[] = { m_srvUavHeap.Get() };
m_commandList->SetDescriptorHeaps(_countof(ppHeaps), ppHeaps);
m_commandList->IASetVertexBuffers(0, 1, &m_vertexBufferView);
m_commandList->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_POINTLIST);
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 commands.
const float clearColor[] = { 0.0f, 0.0f, 0.1f, 0.0f };
m_commandList->ClearRenderTargetView(rtvHandle, clearColor, 0, nullptr);
// Render the particles.
float viewportHeight = static_cast<float>(static_cast<UINT>(m_viewport.Height) / m_heightInstances);
float viewportWidth = static_cast<float>(static_cast<UINT>(m_viewport.Width) / m_widthInstances);
for (UINT n = 0; n < ThreadCount; n++)
{
const UINT srvIndex = n + (m_srvIndex[n] == 0 ? SrvParticlePosVelo0 : SrvParticlePosVelo1);
D3D12_VIEWPORT viewport;
viewport.TopLeftX = (n % m_widthInstances) * viewportWidth;
viewport.TopLeftY = (n / m_widthInstances) * viewportHeight;
viewport.Width = viewportWidth;
viewport.Height = viewportHeight;
viewport.MinDepth = D3D12_MIN_DEPTH;
viewport.MaxDepth = D3D12_MAX_DEPTH;
m_commandList->RSSetViewports(1, &viewport);
CD3DX12_GPU_DESCRIPTOR_HANDLE srvHandle(m_srvUavHeap->GetGPUDescriptorHandleForHeapStart(), srvIndex, m_srvUavDescriptorSize);
m_commandList->SetGraphicsRootDescriptorTable(RootParameterSRV, srvHandle);
m_commandList->DrawInstanced(ParticleCount, 1, 0, 0);
}
m_commandList->RSSetViewports(1, &m_viewport);
// 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());
}
請參閱 D3D12 參考中的範例程式代碼。
規格需求
| 需求 | 值 |
|---|---|
| 目標平台 | Windows |
| 標頭 | d3d12.h |