void WorldObjectEffect::beginBulkUpdate()
{
if (inThreadOperation) return;
int frameIndex = xapp().getCurrentBackBufferIndex();
inBulkOperation = true;
ThrowIfFailed(commandAllocators[frameIndex]->Reset());
ThrowIfFailed(commandLists[frameIndex]->Reset(commandAllocators[frameIndex].Get(), pipelineState.Get()));
// Set necessary state.
commandLists[frameIndex]->SetGraphicsRootSignature(rootSignature.Get());
// TODO check
//commandLists[frameIndex]->RSSetViewports(1, &vr_eyes.viewports[eyeNum]);
//commandLists[frameIndex]->RSSetScissorRects(1, &vr_eyes.scissorRects[eyeNum]);
//commandLists[frameIndex]->RSSetViewports(1, xapp().vr.getViewport());
//commandLists[frameIndex]->RSSetScissorRects(1, xapp().vr.getScissorRect());
// Set CBVs
//commandLists[frameIndex]->SetGraphicsRootConstantBufferView(0, cbvResource->GetGPUVirtualAddress() + cbvAlignedSize);
commandLists[frameIndex]->SetGraphicsRootConstantBufferView(1, xapp().lights.cbvResource->GetGPUVirtualAddress());
// Indicate that the back buffer will be used as a render target.
// commandList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(renderTargets[frameIndex].Get(), D3D12_RESOURCE_STATE_PRESENT, D3D12_RESOURCE_STATE_RENDER_TARGET));
//CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(xapp().rtvHeap->GetCPUDescriptorHandleForHeapStart(), frameIndex, xapp().rtvDescriptorSize);
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle = xapp().getRTVHandle(frameIndex);
CD3DX12_CPU_DESCRIPTOR_HANDLE dsvHandle(xapp().dsvHeaps[frameIndex]->GetCPUDescriptorHandleForHeapStart());
//m_commandList->OMSetRenderTargets(1, &rtvHandle, FALSE, &dsvHandle);
commandLists[frameIndex]->OMSetRenderTargets(1, &rtvHandle, FALSE, &dsvHandle);
xapp().handleRTVClearing(commandLists[frameIndex].Get(), rtvHandle, dsvHandle);
}
D3D12_CPU_DESCRIPTOR_HANDLE QD3D12Window::extraDepthStencilCPUHandle(int idx) const
{
Q_D(const QD3D12Window);
Q_ASSERT(idx >= 0 && idx < d->extraRenderTargetCount);
D3D12_CPU_DESCRIPTOR_HANDLE dsvHandle(d->dsvHeap->GetCPUDescriptorHandleForHeapStart());
dsvHandle.ptr += (1 + idx) * d->dsvStride;
return dsvHandle;
}
void D3D12DynamicIndexing::PopulateCommandList(FrameResource* pFrameResource)
{
// 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_pCurrentFrameResource->m_commandAllocator->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_pCurrentFrameResource->m_commandAllocator.Get(), m_pipelineState.Get()));
// Set necessary state.
m_commandList->SetGraphicsRootSignature(m_rootSignature.Get());
ID3D12DescriptorHeap* ppHeaps[] = { m_cbvSrvHeap.Get(), m_samplerHeap.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);
CD3DX12_CPU_DESCRIPTOR_HANDLE dsvHandle(m_dsvHeap->GetCPUDescriptorHandleForHeapStart());
m_commandList->OMSetRenderTargets(1, &rtvHandle, FALSE, &dsvHandle);
// Record commands.
const float clearColor[] = { 0.0f, 0.2f, 0.4f, 1.0f };
m_commandList->ClearRenderTargetView(rtvHandle, clearColor, 0, nullptr);
m_commandList->ClearDepthStencilView(m_dsvHeap->GetCPUDescriptorHandleForHeapStart(), D3D12_CLEAR_FLAG_DEPTH, 1.0f, 0, 0, nullptr);
if (UseBundles)
{
// Execute the prebuilt bundle.
m_commandList->ExecuteBundle(pFrameResource->m_bundle.Get());
}
else
{
// Populate a new command list.
pFrameResource->PopulateCommandList(m_commandList.Get(), m_pipelineState.Get(), m_currentFrameResourceIndex, m_numIndices, &m_indexBufferView,
&m_vertexBufferView, m_cbvSrvHeap.Get(), m_cbvSrvDescriptorSize, m_samplerHeap.Get(), m_rootSignature.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());
}
void WorldObjectEffect::preDraw(DrawInfo &di)
{
// last frame must have been finished before we run here!!!
int frameIndex = xapp().getCurrentBackBufferIndex();
if (!inBulkOperation) {
//auto &f = frameData[xapp().lastPresentedFrame];
//waitForSyncPoint(f);
//auto &f = frameData[frameIndex];
//waitForSyncPoint(f);
// 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(commandAllocators[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(commandLists[frameIndex]->Reset(commandAllocators[frameIndex].Get(), pipelineState.Get()));
// Set necessary state.
commandLists[frameIndex]->SetGraphicsRootSignature(rootSignature.Get());
commandLists[frameIndex]->RSSetViewports(1, &vr_eyes.viewports[di.eyeNum]);
commandLists[frameIndex]->RSSetScissorRects(1, &vr_eyes.scissorRects[di.eyeNum]);
// Set CBVs
commandLists[frameIndex]->SetGraphicsRootConstantBufferView(0, cbvResource->GetGPUVirtualAddress()/* + cbvAlignedSize*/);
commandLists[frameIndex]->SetGraphicsRootConstantBufferView(1, xapp().lights.cbvResource->GetGPUVirtualAddress());
// Indicate that the back buffer will be used as a render target.
// commandList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(renderTargets[frameIndex].Get(), D3D12_RESOURCE_STATE_PRESENT, D3D12_RESOURCE_STATE_RENDER_TARGET));
//CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(xapp().rtvHeap->GetCPUDescriptorHandleForHeapStart(), frameIndex, xapp().rtvDescriptorSize);
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle = xapp().getRTVHandle(frameIndex);
CD3DX12_CPU_DESCRIPTOR_HANDLE dsvHandle(xapp().dsvHeaps[frameIndex]->GetCPUDescriptorHandleForHeapStart());
//m_commandList->OMSetRenderTargets(1, &rtvHandle, FALSE, &dsvHandle);
commandLists[frameIndex]->OMSetRenderTargets(1, &rtvHandle, FALSE, &dsvHandle);
xapp().handleRTVClearing(commandLists[frameIndex].Get(), rtvHandle, dsvHandle);
return;
}
commandLists[frameIndex]->SetGraphicsRootConstantBufferView(0, getCBVVirtualAddress(frameIndex, 0, di.objectNum, 0));
}
// Worker thread body. workerIndex is an integer from 0 to NumContexts
// describing the worker's thread index.
void D3D12Multithreading::WorkerThread(LPVOID workerIndex)
{
int threadIndex = reinterpret_cast<int>(workerIndex);
assert(threadIndex >= 0);
assert(threadIndex < NumContexts);
#if !SINGLETHREADED
while (threadIndex >= 0 && threadIndex < NumContexts)
{
// Wait for main thread to tell us to draw.
WaitForSingleObject(m_workerBeginRenderFrame[threadIndex], INFINITE);
#endif
ID3D12GraphicsCommandList* pShadowCommandList = m_pCurrentFrameResource->m_shadowCommandLists[threadIndex].Get();
ID3D12GraphicsCommandList* pSceneCommandList = m_pCurrentFrameResource->m_sceneCommandLists[threadIndex].Get();
//
// Shadow pass
//
// Populate the command list.
SetCommonPipelineState(pShadowCommandList);
m_pCurrentFrameResource->Bind(pShadowCommandList, FALSE, nullptr, nullptr); // No need to pass RTV or DSV descriptor heap.
// Set null SRVs for the diffuse/normal textures.
pShadowCommandList->SetGraphicsRootDescriptorTable(0, m_cbvSrvHeap->GetGPUDescriptorHandleForHeapStart());
// Distribute objects over threads by drawing only 1/NumContexts
// objects per worker (i.e. every object such that objectnum %
// NumContexts == threadIndex).
PIXBeginEvent(pShadowCommandList, 0, L"Worker drawing shadow pass...");
for (int j = threadIndex; j < _countof(SampleAssets::Draws); j += NumContexts)
{
SampleAssets::DrawParameters drawArgs = SampleAssets::Draws[j];
pShadowCommandList->DrawIndexedInstanced(drawArgs.IndexCount, 1, drawArgs.IndexStart, drawArgs.VertexBase, 0);
}
PIXEndEvent(pShadowCommandList);
ThrowIfFailed(pShadowCommandList->Close());
#if !SINGLETHREADED
// Submit shadow pass.
SetEvent(m_workerFinishShadowPass[threadIndex]);
#endif
//
// Scene pass
//
// Populate the command list. These can only be sent after the shadow
// passes for this frame have been submitted.
SetCommonPipelineState(pSceneCommandList);
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeap->GetCPUDescriptorHandleForHeapStart(), m_frameIndex, m_rtvDescriptorSize);
CD3DX12_CPU_DESCRIPTOR_HANDLE dsvHandle(m_dsvHeap->GetCPUDescriptorHandleForHeapStart());
m_pCurrentFrameResource->Bind(pSceneCommandList, TRUE, &rtvHandle, &dsvHandle);
PIXBeginEvent(pSceneCommandList, 0, L"Worker drawing scene pass...");
D3D12_GPU_DESCRIPTOR_HANDLE cbvSrvHeapStart = m_cbvSrvHeap->GetGPUDescriptorHandleForHeapStart();
const UINT cbvSrvDescriptorSize = m_device->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_CBV_SRV_UAV);
const UINT nullSrvCount = 2;
for (int j = threadIndex; j < _countof(SampleAssets::Draws); j += NumContexts)
{
SampleAssets::DrawParameters drawArgs = SampleAssets::Draws[j];
// Set the diffuse and normal textures for the current object.
CD3DX12_GPU_DESCRIPTOR_HANDLE cbvSrvHandle(cbvSrvHeapStart, nullSrvCount + drawArgs.DiffuseTextureIndex, cbvSrvDescriptorSize);
pSceneCommandList->SetGraphicsRootDescriptorTable(0, cbvSrvHandle);
pSceneCommandList->DrawIndexedInstanced(drawArgs.IndexCount, 1, drawArgs.IndexStart, drawArgs.VertexBase, 0);
}
PIXEndEvent(pSceneCommandList);
ThrowIfFailed(pSceneCommandList->Close());
#if !SINGLETHREADED
// Tell main thread that we are done.
SetEvent(m_workerFinishedRenderFrame[threadIndex]);
}
#endif
}
// 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());
}
}
// Fill the command list with all the render commands and dependent state.
void D3D12PredicationQueries::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_cbvHeap.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);
CD3DX12_CPU_DESCRIPTOR_HANDLE dsvHandle(m_dsvHeap->GetCPUDescriptorHandleForHeapStart());
m_commandList->OMSetRenderTargets(1, &rtvHandle, FALSE, &dsvHandle);
// Record commands.
const float clearColor[] = { 0.0f, 0.2f, 0.4f, 1.0f };
m_commandList->ClearRenderTargetView(rtvHandle, clearColor, 0, nullptr);
m_commandList->ClearDepthStencilView(dsvHandle, D3D12_CLEAR_FLAG_DEPTH, 1.0f, 0, 0, nullptr);
// Draw the quads and perform the occlusion query.
{
CD3DX12_GPU_DESCRIPTOR_HANDLE cbvFarQuad(m_cbvHeap->GetGPUDescriptorHandleForHeapStart(), m_frameIndex * CbvCountPerFrame, m_cbvSrvDescriptorSize);
CD3DX12_GPU_DESCRIPTOR_HANDLE cbvNearQuad(cbvFarQuad, m_cbvSrvDescriptorSize);
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 potentially occluded geometry");
m_commandList->SetGraphicsRootDescriptorTable(0, cbvFarQuad);
m_commandList->SetPredication(m_queryResult.Get(), 0, D3D12_PREDICATION_OP_EQUAL_ZERO);
m_commandList->DrawInstanced(4, 1, 0, 0);
PIXEndEvent(m_commandList.Get());
// Disable predication and always draw the near quad.
PIXBeginEvent(m_commandList.Get(), 0, L"Draw animating geometry");
m_commandList->SetPredication(nullptr, 0, D3D12_PREDICATION_OP_EQUAL_ZERO);
m_commandList->SetGraphicsRootDescriptorTable(0, cbvNearQuad);
m_commandList->DrawInstanced(4, 1, 4, 0);
PIXEndEvent(m_commandList.Get());
// Run the occlusion query with the bounding box quad.
PIXBeginEvent(m_commandList.Get(), 0, L"Execute occlusion query");
m_commandList->SetGraphicsRootDescriptorTable(0, cbvFarQuad);
m_commandList->SetPipelineState(m_queryState.Get());
m_commandList->BeginQuery(m_queryHeap.Get(), D3D12_QUERY_TYPE_BINARY_OCCLUSION, 0);
m_commandList->DrawInstanced(4, 1, 8, 0);
m_commandList->EndQuery(m_queryHeap.Get(), D3D12_QUERY_TYPE_BINARY_OCCLUSION, 0);
PIXEndEvent(m_commandList.Get());
// Resolve the occlusion query and store the results in the query result buffer
// to be used on the subsequent frame.
m_commandList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(m_queryResult.Get(), D3D12_RESOURCE_STATE_PREDICATION, D3D12_RESOURCE_STATE_COPY_DEST));
m_commandList->ResolveQueryData(m_queryHeap.Get(), D3D12_QUERY_TYPE_BINARY_OCCLUSION, 0, 1, m_queryResult.Get(), 0);
m_commandList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(m_queryResult.Get(), D3D12_RESOURCE_STATE_COPY_DEST, D3D12_RESOURCE_STATE_PREDICATION));
}
// 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());
}
// Fill the command list with all the render commands and dependent state.
void D3D12ExecuteIndirect::PopulateCommandLists()
{
// 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_computeCommandAllocators[m_frameIndex]->Reset());
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_computeCommandList->Reset(m_computeCommandAllocators[m_frameIndex].Get(), m_computeState.Get()));
ThrowIfFailed(m_commandList->Reset(m_commandAllocators[m_frameIndex].Get(), m_pipelineState.Get()));
// Record the compute commands that will cull triangles and prevent them from being processed by the vertex shader.
if (m_enableCulling)
{
UINT frameDescriptorOffset = m_frameIndex * CbvSrvUavDescriptorCountPerFrame;
D3D12_GPU_DESCRIPTOR_HANDLE cbvSrvUavHandle = m_cbvSrvUavHeap->GetGPUDescriptorHandleForHeapStart();
m_computeCommandList->SetComputeRootSignature(m_computeRootSignature.Get());
ID3D12DescriptorHeap* ppHeaps[] = { m_cbvSrvUavHeap.Get() };
m_computeCommandList->SetDescriptorHeaps(_countof(ppHeaps), ppHeaps);
m_computeCommandList->SetComputeRootDescriptorTable(
SrvUavTable,
CD3DX12_GPU_DESCRIPTOR_HANDLE(cbvSrvUavHandle, CbvSrvOffset + frameDescriptorOffset, m_cbvSrvUavDescriptorSize));
m_computeCommandList->SetComputeRoot32BitConstants(RootConstants, 4, reinterpret_cast<void*>(&m_csRootConstants), 0);
// Reset the UAV counter for this frame.
m_computeCommandList->CopyBufferRegion(m_processedCommandBuffers[m_frameIndex].Get(), CommandBufferSizePerFrame, m_processedCommandBufferCounterReset.Get(), 0, sizeof(UINT));
D3D12_RESOURCE_BARRIER barrier = CD3DX12_RESOURCE_BARRIER::Transition(m_processedCommandBuffers[m_frameIndex].Get(), D3D12_RESOURCE_STATE_COPY_DEST, D3D12_RESOURCE_STATE_UNORDERED_ACCESS);
m_computeCommandList->ResourceBarrier(1, &barrier);
m_computeCommandList->Dispatch(static_cast<UINT>(ceil(TriangleCount / float(ComputeThreadBlockSize))), 1, 1);
}
ThrowIfFailed(m_computeCommandList->Close());
// Record the rendering commands.
{
// Set necessary state.
m_commandList->SetGraphicsRootSignature(m_rootSignature.Get());
ID3D12DescriptorHeap* ppHeaps[] = { m_cbvSrvUavHeap.Get() };
m_commandList->SetDescriptorHeaps(_countof(ppHeaps), ppHeaps);
m_commandList->RSSetViewports(1, &m_viewport);
m_commandList->RSSetScissorRects(1, m_enableCulling ? &m_cullingScissorRect : &m_scissorRect);
// Indicate that the command buffer will be used for indirect drawing
// and that the back buffer will be used as a render target.
D3D12_RESOURCE_BARRIER barriers[2] = {
CD3DX12_RESOURCE_BARRIER::Transition(
m_enableCulling ? m_processedCommandBuffers[m_frameIndex].Get() : m_commandBuffer.Get(),
m_enableCulling ? D3D12_RESOURCE_STATE_UNORDERED_ACCESS : D3D12_RESOURCE_STATE_NON_PIXEL_SHADER_RESOURCE,
D3D12_RESOURCE_STATE_INDIRECT_ARGUMENT),
CD3DX12_RESOURCE_BARRIER::Transition(
m_renderTargets[m_frameIndex].Get(),
D3D12_RESOURCE_STATE_PRESENT,
D3D12_RESOURCE_STATE_RENDER_TARGET)
};
m_commandList->ResourceBarrier(_countof(barriers), barriers);
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle(m_rtvHeap->GetCPUDescriptorHandleForHeapStart(), m_frameIndex, m_rtvDescriptorSize);
CD3DX12_CPU_DESCRIPTOR_HANDLE dsvHandle(m_dsvHeap->GetCPUDescriptorHandleForHeapStart());
m_commandList->OMSetRenderTargets(1, &rtvHandle, FALSE, &dsvHandle);
// Record commands.
const float clearColor[] = { 0.0f, 0.2f, 0.4f, 1.0f };
m_commandList->ClearRenderTargetView(rtvHandle, clearColor, 0, nullptr);
m_commandList->ClearDepthStencilView(dsvHandle, D3D12_CLEAR_FLAG_DEPTH, 1.0f, 0, 0, nullptr);
m_commandList->IASetPrimitiveTopology(D3D_PRIMITIVE_TOPOLOGY_TRIANGLESTRIP);
m_commandList->IASetVertexBuffers(0, 1, &m_vertexBufferView);
if (m_enableCulling)
{
// Draw the triangles that have not been culled.
m_commandList->ExecuteIndirect(
m_commandSignature.Get(),
TriangleCount,
m_processedCommandBuffers[m_frameIndex].Get(),
0,
m_processedCommandBuffers[m_frameIndex].Get(),
CommandBufferSizePerFrame);
}
else
{
// Draw all of the triangles.
m_commandList->ExecuteIndirect(
m_commandSignature.Get(),
TriangleCount,
m_commandBuffer.Get(),
CommandBufferSizePerFrame * m_frameIndex,
nullptr,
0);
}
// Indicate that the command buffer may be used by the compute shader
// and that the back buffer will now be used to present.
barriers[0].Transition.StateBefore = D3D12_RESOURCE_STATE_INDIRECT_ARGUMENT;
barriers[0].Transition.StateAfter = m_enableCulling ? D3D12_RESOURCE_STATE_COPY_DEST : D3D12_RESOURCE_STATE_NON_PIXEL_SHADER_RESOURCE;
barriers[1].Transition.StateBefore = D3D12_RESOURCE_STATE_RENDER_TARGET;
barriers[1].Transition.StateAfter = D3D12_RESOURCE_STATE_PRESENT;
m_commandList->ResourceBarrier(_countof(barriers), barriers);
ThrowIfFailed(m_commandList->Close());
}
}
void WorldObjectEffect::updateTask(BulkDivideInfo bi, int threadIndex, const vector<unique_ptr<WorldObject>> *grp, WorldObjectEffect *effect)
{
effect->workerThreadsCreated++;
//ComPtr<ID3D12GraphicsCommandList> commandList;
//ComPtr<ID3D12CommandAllocator> commandAllocator;
int frameIndex;
while (true) {
{
unique_lock<mutex> lock(effect->multiRenderLock);
effect->waiting_for_rendering++;
effect->render_start.notify_one();
effect->render_wait.wait(lock);
if (effect->allThreadsShouldEnd) break; // jump out of while loop
}
// now running outside lock so that all worker threads run in parallel
//if (threadIndex > 0) Sleep(10);
//Log("rendering " << this_thread::get_id() << endl);
//this_thread::sleep_for(1s);
//Log("rendering ended " << this_thread::get_id() << endl);
frameIndex = xapp().getCurrentBackBufferIndex();
if (!threadLocal.initialized) {
threadLocal.initialized = true;
Log(" obj bulk update thread " << std::hex << this_thread::get_id() << " " << bi.start << endl);
//Log(" obj bulk update thread " << bi.start << endl);
this_thread::sleep_for(4s);
ThrowIfFailed(xapp().device->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&threadLocal.commandAllocator)));
ThrowIfFailed(xapp().device->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, threadLocal.commandAllocator.Get(), effect->pipelineState.Get(), IID_PPV_ARGS(&threadLocal.commandList)));
} else {
threadLocal.commandAllocator->Reset();
threadLocal.commandList->Reset(threadLocal.commandAllocator.Get(), effect->pipelineState.Get());
}
//Log(" obj bulk update thread " << bi.end << " complete" << endl);
threadLocal.commandList->SetGraphicsRootSignature(effect->rootSignature.Get());
// TODO check
//threadLocal.commandList->RSSetViewports(1, xapp().vr.getViewport());
//threadLocal.commandList->RSSetScissorRects(1, xapp().vr.getScissorRect());
// Set CBVs
//commandLists[frameIndex]->SetGraphicsRootConstantBufferView(0, cbvResource->GetGPUVirtualAddress() + cbvAlignedSize);
//threadLocal.commandList->SetGraphicsRootConstantBufferView(1, xapp().lights.cbvResource->GetGPUVirtualAddress());
// Indicate that the back buffer will be used as a render target.
// commandList->ResourceBarrier(1, &CD3DX12_RESOURCE_BARRIER::Transition(renderTargets[frameIndex].Get(), D3D12_RESOURCE_STATE_PRESENT, D3D12_RESOURCE_STATE_RENDER_TARGET));
CD3DX12_CPU_DESCRIPTOR_HANDLE rtvHandle = xapp().getRTVHandle(frameIndex);
CD3DX12_CPU_DESCRIPTOR_HANDLE dsvHandle(xapp().dsvHeaps[frameIndex]->GetCPUDescriptorHandleForHeapStart());
threadLocal.commandList->OMSetRenderTargets(1, &rtvHandle, FALSE, &dsvHandle);
threadLocal.commandList->SetGraphicsRootConstantBufferView(0, effect->getCBVVirtualAddress(frameIndex, threadIndex, 0, 0));
for (auto i = bi.start; i <= bi.end; i++) {
WorldObject *w = grp->at(i).get();
//commandList->SetGraphicsRootConstantBufferView(0, effect->getCBVVirtualAddress(frameIndex, w->objectNum));
w->threadNum = threadIndex;
//if (threadIndex == 1) this_thread::sleep_for(30ms);
//Log(" obj draw" << w->objectNum << endl);
w->draw();
//Log(" obj end" << w->objectNum << endl);
//Log(" pos" << w->objectNum << endl)
//auto & w = grp[i];
//w.->draw();
}
ThrowIfFailed(threadLocal.commandList->Close());
// Execute the command list.
ID3D12CommandList* ppCommandLists[] = { threadLocal.commandList.Get() };
xapp().commandQueue->ExecuteCommandLists(_countof(ppCommandLists), ppCommandLists);
{
unique_lock<mutex> lock(effect->multiRenderLock);
effect->finished_rendering++;
effect->render_ended.notify_one();
}
}
effect->workerThreadsCreated--;
}