goldberg_emulator/overlay_experimental/windows/DX12_Hook.h
Mr_Goldberg db2a803cf7
A few improvements to the overlay merge request.
NO_OVERLAY define becomes EMU_OVERLAY which enables the overlay instead of disabling it.

disable_overlay.txt moved to steam_settings.
2020-01-19 12:55:14 -05:00

61 lines
1.9 KiB
C++

#ifndef __INCLUDED_DX12_HOOK_H__
#define __INCLUDED_DX12_HOOK_H__
#include "../Base_Hook.h"
#ifdef EMU_OVERLAY
#include <d3d12.h>
#include <dxgi1_4.h>
#include "DirectX_VTables.h"
class DX12_Hook : public Base_Hook
{
public:
static constexpr const char *DLL_NAME = "d3d12.dll";
private:
static DX12_Hook* _inst;
// Variables
bool hooked;
bool initialized;
ID3D12CommandQueue* pCmdQueue;
UINT bufferCount;
std::vector<D3D12_CPU_DESCRIPTOR_HANDLE> mainRenderTargets;
ID3D12CommandAllocator** pCmdAlloc;
ID3D12DescriptorHeap* pSrvDescHeap;
ID3D12GraphicsCommandList* pCmdList;
ID3D12DescriptorHeap* pRtvDescHeap;
ID3D12Resource** pBackBuffer;
// Functions
DX12_Hook();
void resetRenderState();
void prepareForOverlay(IDXGISwapChain* pSwapChain);
// Hook to render functions
static HRESULT STDMETHODCALLTYPE MyPresent(IDXGISwapChain* _this, UINT SyncInterval, UINT Flags);
static HRESULT STDMETHODCALLTYPE MyResizeTarget(IDXGISwapChain* _this, const DXGI_MODE_DESC* pNewTargetParameters);
static HRESULT STDMETHODCALLTYPE MyResizeBuffers(IDXGISwapChain* _this, UINT BufferCount, UINT Width, UINT Height, DXGI_FORMAT NewFormat, UINT SwapChainFlags);
static void STDMETHODCALLTYPE MyExecuteCommandLists(ID3D12CommandQueue *_this, UINT NumCommandLists, ID3D12CommandList* const* ppCommandLists);
decltype(&IDXGISwapChain::Present) Present;
decltype(&IDXGISwapChain::ResizeBuffers) ResizeBuffers;
decltype(&IDXGISwapChain::ResizeTarget) ResizeTarget;
decltype(&ID3D12CommandQueue::ExecuteCommandLists) ExecuteCommandLists;
public:
virtual ~DX12_Hook();
bool start_hook();
static DX12_Hook* Inst();
virtual const char* get_lib_name() const;
void loadFunctions(ID3D12CommandQueue* pCommandQueue, IDXGISwapChain* pSwapChain);
};
#endif//EMU_OVERLAY
#endif//__INCLUDED_DX12_HOOK_H__