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#include "pch.h"
#include "latencyflex.h"
#include "hookutils.h"
#include "convar.h"
typedef void (*OnRenderStartType)();
OnRenderStartType OnRenderStart;
ConVar* Cvar_r_latencyflex;
HMODULE m_lfxModule {};
typedef void (*PFN_winelfx_WaitAndBeginFrame)();
PFN_winelfx_WaitAndBeginFrame m_winelfx_WaitAndBeginFrame {};
void OnRenderStartHook()
{
if (Cvar_r_latencyflex->GetInt())
m_winelfx_WaitAndBeginFrame();
OnRenderStart();
}
void InitialiseLatencyFleX(HMODULE baseAddress)
{
// Connect to the LatencyFleX service
// LatencyFleX is an open source vendor agnostic replacement for Nvidia Reflex input latency reduction technology.
// https://ishitatsuyuki.github.io/post/latencyflex/
m_lfxModule = LoadLibraryA("latencyflex_wine.dll");
if (m_lfxModule == nullptr)
{
spdlog::info("Unable to load LatencyFleX library, LatencyFleX disabled.");
return;
}
m_winelfx_WaitAndBeginFrame =
reinterpret_cast<PFN_winelfx_WaitAndBeginFrame>(reinterpret_cast<void*>(GetProcAddress(m_lfxModule, "winelfx_WaitAndBeginFrame")));
spdlog::info("LatencyFleX initialized.");
Cvar_r_latencyflex = new ConVar("r_latencyflex", "1", FCVAR_ARCHIVE, "Whether or not to use LatencyFleX input latency reduction.");
HookEnabler hook;
ENABLER_CREATEHOOK(hook, (char*)baseAddress + 0x1952C0, &OnRenderStartHook, reinterpret_cast<LPVOID*>(&OnRenderStart));
}
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