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Move command list creation to the Device and indirectly reserve command allocators

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This commit is contained in:
Austin Eng
2017-06-16 15:47:05 -04:00
committed by Austin Eng
parent a4dcde9cf3
commit e44179ae4d
6 changed files with 27 additions and 53 deletions
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17
examples/D3D12Binding.cpp
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@@ -37,7 +37,7 @@ namespace d3d12 {
void NextSerial(nxtDevice device);
void ExecuteCommandLists(nxtDevice device, std::initializer_list<ID3D12CommandList*> commandLists);
void WaitForSerial(nxtDevice device, uint64_t serial);
ComPtr<ID3D12CommandAllocator> ReserveCommandAllocator(nxtDevice device);
void OpenCommandList(nxtDevice device, ComPtr<ID3D12GraphicsCommandList>* commandList);
}
}
@@ -130,14 +130,7 @@ class D3D12Binding : public BackendBinding {
// Transition the first frame to be a render target
{
ComPtr<ID3D12CommandAllocator> commandAllocator = backend::d3d12::ReserveCommandAllocator(backendDevice);
ASSERT_SUCCESS(d3d12Device->CreateCommandList(
0,
D3D12_COMMAND_LIST_TYPE_DIRECT,
commandAllocator.Get(),
nullptr,
IID_PPV_ARGS(&commandList)
));
backend::d3d12::OpenCommandList(backendDevice, &commandList);
D3D12_RESOURCE_BARRIER resourceBarrier;
resourceBarrier.Transition.pResource = renderTargetResources[renderTargetIndex].Get();
@@ -162,8 +155,7 @@ class D3D12Binding : public BackendBinding {
void SwapBuffers() override {
// Transition current frame's render target for presenting
{
ComPtr<ID3D12CommandAllocator> commandAllocator = backend::d3d12::ReserveCommandAllocator(backendDevice);
ASSERT_SUCCESS(commandList->Reset(commandAllocator.Get(), nullptr));
backend::d3d12::OpenCommandList(backendDevice, &commandList);
D3D12_RESOURCE_BARRIER resourceBarrier;
resourceBarrier.Transition.pResource = renderTargetResources[renderTargetIndex].Get();
resourceBarrier.Transition.StateBefore = D3D12_RESOURCE_STATE_RENDER_TARGET;
@@ -181,8 +173,7 @@ class D3D12Binding : public BackendBinding {
// Transition last frame's render target back to being a render target
{
ComPtr<ID3D12CommandAllocator> commandAllocator = backend::d3d12::ReserveCommandAllocator(backendDevice);
ASSERT_SUCCESS(commandList->Reset(commandAllocator.Get(), nullptr));
backend::d3d12::OpenCommandList(backendDevice, &commandList);
D3D12_RESOURCE_BARRIER resourceBarrier;
resourceBarrier.Transition.pResource = renderTargetResources[previousRenderTargetIndex].Get();
resourceBarrier.Transition.StateBefore = D3D12_RESOURCE_STATE_PRESENT;