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2026-03-04 00:50:15 -08:00
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// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
// SPDX-FileCopyrightText: 2025 Jorrit Rouwe
// SPDX-License-Identifier: MIT
#include <Jolt/Jolt.h>
#ifdef JPH_USE_DX12
#include <Jolt/Compute/DX12/ComputeSystemDX12Impl.h>
#ifdef JPH_DEBUG
#include <d3d12sdklayers.h>
#endif
JPH_NAMESPACE_BEGIN
JPH_IMPLEMENT_RTTI_VIRTUAL(ComputeSystemDX12Impl)
{
JPH_ADD_BASE_CLASS(ComputeSystemDX12Impl, ComputeSystemDX12)
}
ComputeSystemDX12Impl::~ComputeSystemDX12Impl()
{
Shutdown();
mDXGIFactory.Reset();
#ifdef JPH_DEBUG
// Test for leaks
ComPtr<IDXGIDebug1> dxgi_debug;
if (SUCCEEDED(DXGIGetDebugInterface1(0, IID_PPV_ARGS(&dxgi_debug))))
dxgi_debug->ReportLiveObjects(DXGI_DEBUG_ALL, DXGI_DEBUG_RLO_ALL);
#endif
}
bool ComputeSystemDX12Impl::Initialize(ComputeSystemResult &outResult)
{
#if defined(JPH_DEBUG)
// Enable the D3D12 debug layer
ComPtr<ID3D12Debug> debug_controller;
if (SUCCEEDED(D3D12GetDebugInterface(IID_PPV_ARGS(&debug_controller))))
debug_controller->EnableDebugLayer();
#endif
// Create DXGI factory
if (HRFailed(CreateDXGIFactory1(IID_PPV_ARGS(&mDXGIFactory)), outResult))
return false;
// Find adapter
ComPtr<IDXGIAdapter1> adapter;
ComPtr<ID3D12Device> device;
HRESULT result = E_FAIL;
// First check if we have the Windows 1803 IDXGIFactory6 interface
ComPtr<IDXGIFactory6> factory6;
if (SUCCEEDED(mDXGIFactory->QueryInterface(IID_PPV_ARGS(&factory6))))
{
for (int search_software = 0; search_software < 2 && device == nullptr; ++search_software)
for (UINT index = 0; factory6->EnumAdapterByGpuPreference(index, DXGI_GPU_PREFERENCE_HIGH_PERFORMANCE, IID_PPV_ARGS(&adapter)) != DXGI_ERROR_NOT_FOUND; ++index)
{
DXGI_ADAPTER_DESC1 desc;
adapter->GetDesc1(&desc);
// We don't want software renderers in the first pass
int is_software = (desc.Flags & DXGI_ADAPTER_FLAG_SOFTWARE) != 0? 1 : 0;
if (search_software != is_software)
continue;
// Check to see whether the adapter supports Direct3D 12
#if defined(JPH_PLATFORM_WINDOWS) && defined(_DEBUG)
int prev_state = _CrtSetDbgFlag(0); // Temporarily disable leak detection as this call reports false positives
#endif
result = D3D12CreateDevice(adapter.Get(), D3D_FEATURE_LEVEL_11_0, IID_PPV_ARGS(&device));
#if defined(JPH_PLATFORM_WINDOWS) && defined(_DEBUG)
_CrtSetDbgFlag(prev_state);
#endif
if (SUCCEEDED(result))
break;
}
}
else
{
// Fall back to the older method that may not get the fastest GPU
for (int search_software = 0; search_software < 2 && device == nullptr; ++search_software)
for (UINT index = 0; mDXGIFactory->EnumAdapters1(index, &adapter) != DXGI_ERROR_NOT_FOUND; ++index)
{
DXGI_ADAPTER_DESC1 desc;
adapter->GetDesc1(&desc);
// We don't want software renderers in the first pass
int is_software = (desc.Flags & DXGI_ADAPTER_FLAG_SOFTWARE) != 0? 1 : 0;
if (search_software != is_software)
continue;
// Check to see whether the adapter supports Direct3D 12
#if defined(JPH_PLATFORM_WINDOWS) && defined(_DEBUG)
int prev_state = _CrtSetDbgFlag(0); // Temporarily disable leak detection as this call reports false positives
#endif
result = D3D12CreateDevice(adapter.Get(), D3D_FEATURE_LEVEL_11_0, IID_PPV_ARGS(&device));
#if defined(JPH_PLATFORM_WINDOWS) && defined(_DEBUG)
_CrtSetDbgFlag(prev_state);
#endif
if (SUCCEEDED(result))
break;
}
}
// Check if we managed to obtain a device
if (HRFailed(result, outResult))
return false;
// Initialize the compute interface
ComputeSystemDX12::Initialize(device.Get(), EDebug::DebugSymbols);
#ifdef JPH_DEBUG
// Enable breaking on errors
ComPtr<ID3D12InfoQueue> info_queue;
if (SUCCEEDED(device.As(&info_queue)))
{
info_queue->SetBreakOnSeverity(D3D12_MESSAGE_SEVERITY_CORRUPTION, TRUE);
info_queue->SetBreakOnSeverity(D3D12_MESSAGE_SEVERITY_ERROR, TRUE);
info_queue->SetBreakOnSeverity(D3D12_MESSAGE_SEVERITY_WARNING, TRUE);
// Disable an error that triggers on Windows 11 with a hybrid graphic system
// See: https://stackoverflow.com/questions/69805245/directx-12-application-is-crashing-in-windows-11
D3D12_MESSAGE_ID hide[] =
{
D3D12_MESSAGE_ID_RESOURCE_BARRIER_MISMATCHING_COMMAND_LIST_TYPE,
};
D3D12_INFO_QUEUE_FILTER filter = { };
filter.DenyList.NumIDs = static_cast<UINT>(std::size(hide));
filter.DenyList.pIDList = hide;
info_queue->AddStorageFilterEntries(&filter);
}
#endif // JPH_DEBUG
return true;
}
ComputeSystemResult CreateComputeSystemDX12()
{
ComputeSystemResult result;
Ref<ComputeSystemDX12Impl> compute = new ComputeSystemDX12Impl();
if (!compute->Initialize(result))
return result;
result.Set(compute.GetPtr());
return result;
}
JPH_NAMESPACE_END
#endif // JPH_USE_DX12