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Implement NVIDIA Reflex Low Latency technology

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This commit is contained in:
Kawe Mazidjatari 2023-09-09 15:12:58 +02:00
parent 00aee57e7c
commit 21093ca1a1
10 changed files with 85 additions and 8 deletions
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8
r5dev/common/global.cpp
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@ -64,6 +64,9 @@ ConVar* r_drawWorldMeshesDepthAtTheEnd = nullptr;
#ifndef DEDICATED
ConVar* r_visualizetraces = nullptr;
ConVar* r_visualizetraces_duration = nullptr;
ConVar* gfx_nvnUseLowLatency = nullptr;
ConVar* gfx_nvnUseLowLatencyBoost = nullptr;
#endif // !DEDICATED
ConVar* stream_overlay = nullptr;
@ -300,6 +303,11 @@ void ConVar_StaticInit(void)
r_drawWorldMeshesDepthOnly = ConVar::StaticCreate("r_drawWorldMeshesDepthOnly" , "1", FCVAR_DEVELOPMENTONLY | FCVAR_CHEAT, "Render world meshes (depth only).", false, 0.f, false, 0.f, nullptr, nullptr);
r_drawWorldMeshesDepthAtTheEnd = ConVar::StaticCreate("r_drawWorldMeshesDepthAtTheEnd", "1", FCVAR_DEVELOPMENTONLY | FCVAR_CHEAT, "Render world meshes (depth at the end).", false, 0.f, false, 0.f, nullptr, nullptr);
#ifndef DEDICATED
gfx_nvnUseLowLatency = ConVar::StaticCreate("gfx_nvnUseLowLatency" , "1", FCVAR_RELEASE | FCVAR_ARCHIVE, "Enables NVIDIA Reflex Low Latency SDK." , false, 0.f, false, 0.f, nullptr, nullptr);
gfx_nvnUseLowLatencyBoost = ConVar::StaticCreate("gfx_nvnUseLowLatencyBoost", "1", FCVAR_RELEASE | FCVAR_ARCHIVE, "Enables NVIDIA Reflex Low Latency Boost.", false, 0.f, false, 0.f, nullptr, nullptr);
#endif // !DEDICATED
//-------------------------------------------------------------------------
// SHARED |
modsystem_enable = ConVar::StaticCreate("modsystem_enable", "1", FCVAR_RELEASE, "Enable the modsystem.", false, 0.f, false, 0.f, nullptr, nullptr);

3
r5dev/common/global.h
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@ -55,6 +55,9 @@ extern ConVar* r_drawWorldMeshesDepthAtTheEnd;
#ifndef DEDICATED
extern ConVar* r_visualizetraces;
extern ConVar* r_visualizetraces_duration;
extern ConVar* gfx_nvnUseLowLatency;
extern ConVar* gfx_nvnUseLowLatencyBoost;
#endif // !DEDICATED
extern ConVar* stream_overlay;

1
r5dev/core/CMakeLists.txt
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@ -98,6 +98,7 @@ target_link_libraries( ${PROJECT_NAME} PRIVATE
"rui"
"d3d11.lib"
"${THIRDPARTY_SOURCE_DIR}/nvapi/amd64/nvapi64.lib"
)
endif()

4
r5dev/core/stdafx.h
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@ -35,6 +35,10 @@
#include "thirdparty/imgui/misc/cpp/imgui_stdlib.h"
#include "thirdparty/imgui/backends/imgui_impl_dx11.h"
#include "thirdparty/imgui/backends/imgui_impl_win32.h"
#include "thirdparty/nvapi/pclstats.h"
#include "thirdparty/nvapi/nvapi.h"
#include "thirdparty/nvapi/nvapi_lite_common.h"
#endif // !DEDICATED && !PLUGINSDK

2
r5dev/engine/sys_dll.cpp
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@ -79,7 +79,7 @@ int CModAppSystemGroup::StaticMain(CModAppSystemGroup* pModAppSystemGroup)
g_pEngine->SetQuitting(IEngine::QUIT_NOTQUITTING);
if (g_pEngine->Load(pModAppSystemGroup->IsServerOnly(), g_pEngineParms->baseDirectory))
{
if (CEngineAPI_MainLoop())
if (CEngineAPI::MainLoop())
{
nRunResult = RUN_RESTART;
}

46
r5dev/engine/sys_dll2.cpp
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@ -10,12 +10,14 @@
#include "tier1/cmd.h"
#include "tier1/cvar.h"
#include "tier1/strtools.h"
#include "engine/sys_engine.h"
#include "engine/sys_dll.h"
#include "engine/sys_dll2.h"
#include "engine/host_cmd.h"
#include "engine/traceinit.h"
#include "rtech/rtech_utils.h"
#ifndef DEDICATED
#include "windows/id3dx.h"
#include "client/vengineclient_impl.h"
#endif // !DEDICATED
#include "filesystem/filesystem.h"
@ -151,11 +153,54 @@ void CEngineAPI::VSetStartupInfo(CEngineAPI* pEngineAPI, StartupInfo_t* pStartup
#endif // !(GAMEDLL_S0) || !(GAMEDLL_S1)
}
//-----------------------------------------------------------------------------
// Purpose:
//-----------------------------------------------------------------------------
bool CEngineAPI::MainLoop()
{
// Main message pump
while (true)
{
// Pump messages unless someone wants to quit
if (g_pEngine->GetQuitting() != IEngine::QUIT_NOTQUITTING)
{
if (g_pEngine->GetQuitting() != IEngine::QUIT_TODESKTOP)
return true;
return false;
}
#ifndef DEDICATED
const bool bUseLowLatencyMode = gfx_nvnUseLowLatency->GetBool();
const bool bUseLowLatencyBoost = gfx_nvnUseLowLatencyBoost->GetBool();
//const float fpsMax = fps_max->GetFloat();
NV_SET_SLEEP_MODE_PARAMS_V1 params = {};
params.version = NV_SET_SLEEP_MODE_PARAMS_VER1;
params.bLowLatencyMode = bUseLowLatencyMode;
params.bLowLatencyBoost = bUseLowLatencyMode && bUseLowLatencyBoost;
params.minimumIntervalUs = 0;// /*!!!leaving this 0 results in better performance!!!*/ fpsMax > 0 ? (NvU32)((1000.0f / fpsMax) * 1000.0f) : 0;
params.bUseMarkersToOptimize = false;
NvAPI_Status status = NvAPI_D3D_SetSleepMode(*g_ppGameDevice, &params);
if (status == NVAPI_OK)
NvAPI_D3D_Sleep(*g_ppGameDevice);
CEngineAPI_PumpMessages();
#endif // !DEDICATED
g_pEngine->Frame();
}
}
///////////////////////////////////////////////////////////////////////////////
void VSys_Dll2::Attach() const
{
DetourAttach(&CEngineAPI_Init, &CEngineAPI::VInit);
DetourAttach(&CEngineAPI_ModInit, &CEngineAPI::VModInit);
DetourAttach(&CEngineAPI_MainLoop, &CEngineAPI::MainLoop);
DetourAttach(&v_CEngineAPI_SetStartupInfo, &CEngineAPI::VSetStartupInfo);
}
@ -163,5 +208,6 @@ void VSys_Dll2::Detach() const
{
DetourDetach(&CEngineAPI_Init, &CEngineAPI::VInit);
DetourDetach(&CEngineAPI_ModInit, &CEngineAPI::VModInit);
DetourDetach(&CEngineAPI_MainLoop, &CEngineAPI::MainLoop);
DetourDetach(&v_CEngineAPI_SetStartupInfo, &CEngineAPI::VSetStartupInfo);
}

8
r5dev/engine/sys_dll2.h
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@ -33,6 +33,8 @@ public:
static InitReturnVal_t VInit(CEngineAPI* thisp);
static bool VModInit(CEngineAPI* pEngineAPI, const char* pModName, const char* pGameDir);
static void VSetStartupInfo(CEngineAPI* pEngineAPI, StartupInfo_t* pStartupInfo);
static bool MainLoop();
//private:
void* m_hEditorHWnd;
bool m_bRunningSimulation;
@ -54,6 +56,9 @@ inline bool(*CEngineAPI_ModInit)(CEngineAPI* pEngineAPI, const char* pModName, c
inline CMemory p_CEngineAPI_MainLoop;
inline bool(*CEngineAPI_MainLoop)(void);
inline CMemory p_CEngineAPI_PumpMessages;
inline void(*CEngineAPI_PumpMessages)(void);
inline CMemory p_CEngineAPI_SetStartupInfo;
inline void(*v_CEngineAPI_SetStartupInfo)(CEngineAPI* pEngineAPI, StartupInfo_t* pStartupInfo);
@ -78,6 +83,7 @@ class VSys_Dll2 : public IDetour
LogFunAdr("CEngineAPI::Connect", p_CEngineAPI_Connect.GetPtr());
LogFunAdr("CEngineAPI::ModInit", p_CEngineAPI_ModInit.GetPtr());
LogFunAdr("CEngineAPI::MainLoop", p_CEngineAPI_MainLoop.GetPtr());
LogFunAdr("CEngineAPI::PumpMessages", p_CEngineAPI_PumpMessages.GetPtr());
#if defined (GAMEDLL_S2) || defined (GAMEDLL_S3)
LogFunAdr("CEngineAPI::SetStartupInfo", p_CEngineAPI_SetStartupInfo.GetPtr());
#endif
@ -103,6 +109,7 @@ class VSys_Dll2 : public IDetour
p_CEngineAPI_MainLoop = g_GameDll.FindPatternSIMD("E8 ?? ?? ?? ?? 48 8B 15 ?? ?? ?? ?? 84 C0 B9 ?? ?? ?? ??").FollowNearCallSelf();
p_PakFile_Init = g_GameDll.FindPatternSIMD("44 88 44 24 ?? 53 55 56 57");
#endif
p_CEngineAPI_PumpMessages = g_GameDll.FindPatternSIMD("48 89 5C 24 ?? 55 48 81 EC ?? ?? ?? ?? 45 33 C9");
p_CEngineAPI_SetStartupInfo = g_GameDll.FindPatternSIMD("48 89 5C 24 ?? ?? 48 81 EC ?? ?? ?? ?? 80 3D ?? ?? ?? ?? ?? 48 8B DA");
p_ResetMTVFTaskItem = g_GameDll.FindPatternSIMD("48 83 EC 28 48 8B 15 ?? ?? ?? ?? 48 85 D2 0F 84 ?? ?? ?? ?? 48 8B 0D ?? ?? ?? ?? 48 8B 01 FF 90 ?? ?? ?? ?? 33 C9 E8 ?? ?? ?? ?? 0F 28 05 ?? ?? ?? ?? 0F 28 0D ?? ?? ?? ?? 0F 11 05 ?? ?? ?? ?? 0F 28 05 ?? ?? ?? ?? 0F 11 0D ?? ?? ?? ?? 0F 28 0D ?? ?? ?? ?? 0F 11 05 ?? ?? ?? ?? 0F 11 0D ?? ?? ?? ?? 48 C7 05 ?? ?? ?? ?? ?? ?? ?? ?? FF 15 ?? ?? ?? ??");
@ -111,6 +118,7 @@ class VSys_Dll2 : public IDetour
CEngineAPI_Connect = p_CEngineAPI_Connect.RCast<bool (*)(CEngineAPI*, CreateInterfaceFn)>(); /*48 83 EC 28 48 8B 05 ?? ?? ?? ?? 48 8D 0D ?? ?? ?? ?? 48 85 C0 48 89 15 ?? ?? ?? ??*/
CEngineAPI_ModInit = p_CEngineAPI_ModInit.RCast<bool (*)(CEngineAPI*, const char*, const char*)>(); /*48 89 5C 24 ?? 48 89 4C 24 ?? 55 56 57 41 54 41 55 41 56 41 57 48 81 EC ?? ?? ?? ?? 4D 8B F8*/
CEngineAPI_MainLoop = p_CEngineAPI_MainLoop.RCast<bool(*)(void)>(); /*E8 ?? ?? ?? ?? 48 8B 15 ?? ?? ?? ?? 84 C0 B9 ?? ?? ?? ??*/
CEngineAPI_PumpMessages = p_CEngineAPI_PumpMessages.RCast<void(*)(void)>();
v_CEngineAPI_SetStartupInfo = p_CEngineAPI_SetStartupInfo.RCast<void (*)(CEngineAPI*, StartupInfo_t*)>(); /*48 89 5C 24 ?? 57 48 81 EC ?? ?? ?? ?? 80 3D ?? ?? ?? ?? ?? 48 8B DA*/
PakFile_Init = p_PakFile_Init.RCast<void (*)(char*, char*, char)>(); /*44 88 44 24 ?? 53 55 56 57*/
}

1
r5dev/engine/sys_engine.cpp
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@ -7,6 +7,7 @@
///////////////////////////////////////////////////////////////////////////////
CEngine* g_pEngine = nullptr;
IEngine::QuitState_t* gsm_Quitting = nullptr;
bool CEngine::_Frame(CEngine* thisp)
{

18
r5dev/engine/sys_engine.h
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@ -1,10 +1,20 @@
#pragma once
#include <public/iengine.h>
class CEngine;
/* ==== CENGINE ======================================================================================================================================================= */
inline CMemory p_CEngine_Frame;
inline bool(*v_CEngine_Frame)(CEngine* thisp);
extern CEngine* g_pEngine;
extern IEngine::QuitState_t* gsm_Quitting;
class CEngine : public IEngine
{
public:
static bool _Frame(CEngine* thisp);
inline IEngine::QuitState_t GetQuitting() const { return *gsm_Quitting; }
private:
EngineState_t m_nDLLState;
@ -20,12 +30,6 @@ private:
char field_39;
};
/* ==== CENGINE ======================================================================================================================================================= */
inline CMemory p_CEngine_Frame;
inline bool(*v_CEngine_Frame)(CEngine* thisp);
extern CEngine* g_pEngine;
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
@ -37,6 +41,7 @@ class VEngine : public IDetour
{
LogFunAdr("CEngine::Frame", p_CEngine_Frame.GetPtr());
LogVarAdr("g_Engine", reinterpret_cast<uintptr_t>(g_pEngine));
LogVarAdr("sm_Quitting", reinterpret_cast<uintptr_t>(gsm_Quitting));
}
virtual void GetFun(void) const
{
@ -56,6 +61,7 @@ class VEngine : public IDetour
#elif defined (GAMEDLL_S2) || defined (GAMEDLL_S3)
g_pEngine = g_GameDll.FindPatternSIMD("40 53 48 83 EC 20 80 B9 ?? ?? ?? ?? ?? BB ?? ?? ?? ??").FindPatternSelf("48 8B ?? ?? ?? ?? 01", CMemory::Direction::DOWN, 150).ResolveRelativeAddressSelf(0x3, 0x7).RCast<CEngine*>();
#endif
gsm_Quitting = g_GameDll.FindPatternSIMD("89 15 ?? ?? ?? ?? C3 CC CC CC CC CC CC CC CC CC 83 C1 F4").ResolveRelativeAddressSelf(0x2, 0x6).RCast<IEngine::QuitState_t*>();
}
virtual void GetCon(void) const { }
virtual void Attach(void) const;

2
r5dev/public/iengine.h
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@ -20,7 +20,7 @@
abstract_class IEngine
{
public:
enum
enum QuitState_t
{
QUIT_NOTQUITTING = 0,
QUIT_TODESKTOP,