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Partially working DX12 overlay

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DX12 hook seems ok, there are some bugs remaining.
ImGui setup for DX12 doesn't work.
This commit is contained in:
Nemirtingas 2019-08-19 18:56:15 +02:00
parent 3c83e08d34
commit 5893b69d1f
4 changed files with 164 additions and 25 deletions
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61
overlay_experimental/Hook_Manager.cpp
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@ -52,9 +52,12 @@ HRESULT STDMETHODCALLTYPE Hook_Manager::MyIDXGISwapChain_Present(IDXGISwapChain*
else
{
_this->GetDevice(__uuidof(ID3D12Device), (void**)& pDevice);
DX12_Hook* hook = DX12_Hook::Inst();
if (hook->start_hook())
inst.AddHook(hook);
if (pDevice)
{
// DX12_Hook* hook = DX12_Hook::Inst();
// if (hook->start_hook())
// inst.AddHook(hook);
}
}
}
if (pDevice) pDevice->Release();
@ -260,9 +263,55 @@ void Hook_Manager::hook_dx12()
{
if (!_dxgi_hooked && !_renderer_found)
{
DX12_Hook* hook = DX12_Hook::Inst();
hook->start_hook(); // TODO: Prints to error log about DX12 Implementation status
delete static_cast<Base_Hook*>(hook);
IDXGIFactory4* pDXGIFactory = nullptr;
IDXGISwapChain1* pSwapChain = nullptr;
D3D12_COMMAND_QUEUE_DESC queueDesc = {};
ID3D12CommandQueue* pCommandQueue = nullptr;
ID3D12Device* pDevice = nullptr;
decltype(D3D12CreateDevice)* D3D12CreateDevice =
(decltype(D3D12CreateDevice))GetProcAddress(GetModuleHandle(DX12_Hook::DLL_NAME), "D3D12CreateDevice");
D3D12CreateDevice(NULL, D3D_FEATURE_LEVEL_11_0, IID_PPV_ARGS(&pDevice));
if (pDevice)
{
DXGI_SWAP_CHAIN_DESC1 SwapChainDesc = {};
SwapChainDesc.Width = 0;
SwapChainDesc.Height = 0;
SwapChainDesc.Format = DXGI_FORMAT_R8G8B8A8_UNORM;
SwapChainDesc.Stereo = FALSE;
SwapChainDesc.SampleDesc = { 1, 0 };
SwapChainDesc.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
SwapChainDesc.BufferCount = 3;
SwapChainDesc.Scaling = DXGI_SCALING_STRETCH;
SwapChainDesc.SwapEffect = DXGI_SWAP_EFFECT_FLIP_DISCARD;
SwapChainDesc.AlphaMode = DXGI_ALPHA_MODE_UNSPECIFIED;
queueDesc.Type = D3D12_COMMAND_LIST_TYPE_DIRECT;
queueDesc.Flags = D3D12_COMMAND_QUEUE_FLAG_NONE;
pDevice->CreateCommandQueue(&queueDesc, IID_PPV_ARGS(&pCommandQueue));
if (pCommandQueue)
{
reinterpret_cast<decltype(CreateDXGIFactory1)*>(GetProcAddress(GetModuleHandle("dxgi.dll"), "CreateDXGIFactory1"))(IID_PPV_ARGS(&pDXGIFactory));
pDXGIFactory->CreateSwapChainForHwnd(pCommandQueue, GetForegroundWindow(), &SwapChainDesc, NULL, NULL, &pSwapChain);
if (pSwapChain != nullptr)
{
PRINT_DEBUG("Hooked IDXGISwapChain::Present to detect DX Version\n");
(void*&)_IDXGISwapChain_Present = (*reinterpret_cast<void***>(pSwapChain))[(int)IDXGISwapChainVTable::Present];
HookDXGIPresent();
}
else
{
PRINT_DEBUG("Failed to Hook IDXGISwapChain::Present to detect DX Version\n");
}
}
}
if (pSwapChain) pSwapChain->Release();
if (pDXGIFactory) pDXGIFactory->Release();
if (pCommandQueue) pCommandQueue->Release();
if (pDevice) pDevice->Release();
}
}