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Only run NVIDIA Reflex if the display driver vendor is NVIDIA

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This is to ensure we don't cause any performance hits when running the game on an AMD or Intel GPU.
This commit is contained in:
Kawe Mazidjatari 2023-09-13 22:24:59 +02:00
parent a639a4befd
commit eaa5347fa3
1 changed files with 28 additions and 19 deletions
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47
r5dev/engine/sys_dll2.cpp
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@ -17,6 +17,7 @@
#include "engine/traceinit.h"
#ifndef DEDICATED
#include "engine/sys_mainwind.h"
#include "materialsystem/cmaterialsystem.h"
#include "windows/id3dx.h"
#include "client/vengineclient_impl.h"
#include "geforce/reflex.h"
@ -183,32 +184,40 @@ bool CEngineAPI::MainLoop()
}
#ifndef DEDICATED
if (GFX_HasPendingLowLatencyParameterUpdates())
const MaterialAdapterInfo_t& adapterInfo = g_pMaterialAdapterMgr->GetAdapterInfo();
// Only run on NVIDIA display drivers; AMD and Intel are not
// supported by NVIDIA Reflex.
if (adapterInfo.m_VendorID == NVIDIA_VENDOR_ID)
{
const bool bUseLowLatencyMode = gfx_nvnUseLowLatency->GetBool();
const bool bUseLowLatencyBoost = gfx_nvnUseLowLatencyBoost->GetBool();
float fpsMax = fps_max_gfx->GetFloat();
if (fpsMax == -1.0f)
if (GFX_HasPendingLowLatencyParameterUpdates())
{
const float globalFps = fps_max->GetFloat();
const bool bUseLowLatencyMode = gfx_nvnUseLowLatency->GetBool();
const bool bUseLowLatencyBoost = gfx_nvnUseLowLatencyBoost->GetBool();
// Make sure the global fps limiter is 'unlimited'
// before we let the gfx frame limiter cap it to
// the desktop's refresh rate; not adhering to
// this will result in a major performance drop.
if (globalFps == 0.0f)
fpsMax = g_pGame->GetTVRefreshRate();
else
fpsMax = 0.0f; // Don't let NVIDIA limit the frame rate.
float fpsMax = fps_max_gfx->GetFloat();
if (fpsMax == -1.0f)
{
const float globalFps = fps_max->GetFloat();
// Make sure the global fps limiter is 'unlimited'
// before we let the gfx frame limiter cap it to
// the desktop's refresh rate; not adhering to
// this will result in a major performance drop.
if (globalFps == 0.0f)
fpsMax = g_pGame->GetTVRefreshRate();
else
fpsMax = 0.0f; // Don't let NVIDIA limit the frame rate.
}
GFX_UpdateLowLatencyParameters(D3D11Device(), bUseLowLatencyMode,
bUseLowLatencyBoost, false, fpsMax);
}
GFX_UpdateLowLatencyParameters(D3D11Device(), bUseLowLatencyMode,
bUseLowLatencyBoost, false, fpsMax);
GFX_RunLowLatencyFrame(D3D11Device());
}
GFX_RunLowLatencyFrame(D3D11Device());
CEngineAPI::PumpMessages();
#endif // !DEDICATED