mirror/goldberg_emulator
1
0
Fork 0
mirror of https://gitlab.com/Mr_Goldberg/goldberg_emulator.git synced 2024-11-27 14:08:39 +01:00
Code Issues Projects Releases Packages Wiki Activity

Partially working DX12 overlay

Browse source 
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
Show stats Download patch file Download diff file Expand all files Collapse all files

110
overlay_experimental/DX12_Hook.cpp
View file

@ -8,17 +8,82 @@
#include <imgui.h>
#include <impls/imgui_impl_dx12.h>
#include <dxgi1_4.h>
DX12_Hook* DX12_Hook::_inst = nullptr;
bool DX12_Hook::start_hook()
{
if (!_hooked)
{
//if (!Windows_Hook::Inst().start_hook())
// return false;
if (!Windows_Hook::Inst().start_hook())
return false;
PRINT_DEBUG("Hooked DirectX 12\n");
return false;
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 DirectX 12\n");
_hooked = true;
Hook_Manager::Inst().FoundRenderer(this);
loadFunctions(pDevice, pSwapChain);
UnhookAll();
BeginHook();
HookFuncs(
std::make_pair<void**, void*>(&(PVOID&)DX12_Hook::Present, &DX12_Hook::MyPresent),
std::make_pair<void**, void*>(&(PVOID&)DX12_Hook::ResizeTarget, &DX12_Hook::MyResizeTarget),
std::make_pair<void**, void*>(&(PVOID&)DX12_Hook::ResizeBuffers, &DX12_Hook::MyResizeBuffers)
);
EndHook();
get_steam_client()->steam_overlay->HookReady();
}
else
{
PRINT_DEBUG("Failed to hook DirectX 12\n");
return false;
}
}
}
if (pSwapChain) pSwapChain->Release();
if (pDXGIFactory) pDXGIFactory->Release();
if (pCommandQueue) pCommandQueue->Release();
if (pDevice) pDevice->Release();
}
return true;
}
@ -42,7 +107,6 @@ void DX12_Hook::resetRenderState()
// Try to make this function and overlay's proc as short as possible or it might affect game's fps.
void DX12_Hook::prepareForOverlay(IDXGISwapChain* pSwapChain)
{
/*
DXGI_SWAP_CHAIN_DESC desc;
pSwapChain->GetDesc(&desc);
@ -51,7 +115,8 @@ void DX12_Hook::prepareForOverlay(IDXGISwapChain* pSwapChain)
D3D12_DESCRIPTOR_HEAP_DESC d3d12_desc = {};
ID3D12Device* pDevice;
HRESULT ret = pSwapChain->GetDevice(__uuidof(ID3D12Device), (PVOID*)&pDevice);
if (!SUCCEEDED(pSwapChain->GetDevice(IID_PPV_ARGS(&pDevice))))
return;
d3d12_desc.Type = D3D12_DESCRIPTOR_HEAP_TYPE_RTV;
d3d12_desc.NumDescriptors = 1;
@ -63,28 +128,40 @@ void DX12_Hook::prepareForOverlay(IDXGISwapChain* pSwapChain)
return;
}
SIZE_T rtvDescriptorSize = pDevice->GetDescriptorHandleIncrementSize(D3D12_DESCRIPTOR_HEAP_TYPE_RTV);
D3D12_CPU_DESCRIPTOR_HANDLE rtvHandle = pDescriptorHeap->GetCPUDescriptorHandleForHeapStart();
mainRenderTargetDescriptor = rtvHandle;
mainRenderTargetDescriptor = pDescriptorHeap->GetCPUDescriptorHandleForHeapStart();
pDevice->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&pCmdAlloc));
if (!SUCCEEDED(pDevice->CreateCommandAllocator(D3D12_COMMAND_LIST_TYPE_DIRECT, IID_PPV_ARGS(&pCmdAlloc))))
{
pDescriptorHeap->Release();
pDevice->Release();
return;
}
if (!SUCCEEDED(pDevice->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, pCmdAlloc, NULL, IID_PPV_ARGS(&pCmdList))))
{
pDevice->CreateCommandList(0, D3D12_COMMAND_LIST_TYPE_DIRECT, pCmdAlloc, NULL, IID_PPV_ARGS(&pCmdList));
return;
}
ImGui::CreateContext();
ImGuiIO& io = ImGui::GetIO();
io.IniFilename = NULL;
Hook_Manager::Inst().ChangeGameWindow(desc.OutputWindow);
ImGui_ImplWin32_Init(desc.OutputWindow);
ImGui_ImplDX12_Init(pDevice, 1, DXGI_FORMAT_R8G8B8A8_UNORM,
pDescriptorHeap->GetCPUDescriptorHandleForHeapStart(),
pDescriptorHeap->GetGPUDescriptorHandleForHeapStart());
pCmdAlloc->Release();
pDescriptorHeap->Release();
pDevice->Release();
initialized = true;
}
ImGui_ImplDX12_NewFrame();
ImGui_ImplWin32_NewFrame();
Windows_Hook::Inst().prepareForOverlay(desc.OutputWindow);
ImGui::NewFrame();
Hook_Manager::Inst().CallOverlayProc(desc.BufferDesc.Width, desc.BufferDesc.Height);
get_steam_client()->steam_overlay->OverlayProc(desc.BufferDesc.Width, desc.BufferDesc.Height);
ImGui::EndFrame();
@ -96,7 +173,6 @@ void DX12_Hook::prepareForOverlay(IDXGISwapChain* pSwapChain)
pCmdList->OMSetRenderTargets(1, &mainRenderTargetDescriptor, FALSE, NULL);
pCmdList->SetDescriptorHeaps(1, &pDescriptorHeap);
ImGui_ImplDX12_RenderDrawData(ImGui::GetDrawData(), pCmdList);
*/
}
/////////////////////////////////////////////////////////////////////////////////////
@ -141,7 +217,7 @@ DX12_Hook::DX12_Hook():
pCmdList(nullptr),
pDescriptorHeap(nullptr)
{
_library = GetModuleHandle(DLL_NAME);
_library = LoadLibrary(DLL_NAME);
PRINT_DEBUG("Trying to hook DX12 but DX12_Hook is not implemented yet, please report to DEV with the game name.");

1
overlay_experimental/DX12_Hook.h
View file

@ -5,6 +5,7 @@
#ifndef NO_OVERLAY
#include <d3d12.h>
#include <dxgi1_4.h>
#include "DirectX_VTables.h"
class DX12_Hook : public Base_Hook

13
overlay_experimental/DirectX_VTables.h
View file

@ -29,6 +29,19 @@ enum class IDXGISwapChainVTable
GetContainingOutput,
GetFrameStatistics,
GetLastPresentCount,
// IDXGISwapChain1
GetDesc1,
GetFullscreenDesc,
GetHwnd,
GetCoreWindow,
Present1,
IsTemporaryMonoSupported,
GetRestrictToOutput,
SetBackgroundColor,
GetBackgroundColor,
SetRotation,
GetRotation,
};
enum class ID3D11DeviceVTable

61
overlay_experimental/Hook_Manager.cpp
View file

@ -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();
}
}