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Fixed regression in video rendering framerates on Nvidia #552

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merged 1 commit into from
Mar 23, 2019
Merged

Fixed regression in video rendering framerates on Nvidia #552

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97 changes: 75 additions & 22 deletions extlibs/nvapi/nvapi.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -33,12 +33,15 @@ namespace {
int nvapi_init()
{
const bool disableThreadedOptimizations = true;
const bool maximumPerformance = true;
const bool enableTripleBuffering = true;
const bool setMaximumPerformance = true;
const bool disableTripleBuffering = true;
const bool setPrerenderedFrames = true;

const wchar_t* profileName = L"Attract Mode2";
const wchar_t* profileName = L"Attract Mode";
const wchar_t* appName = L"";

int return_code = 0;

std::wstring file_name;
wchar_t result[MAX_PATH];
file_name = std::wstring( result, GetModuleFileNameW( NULL, result, MAX_PATH ));
Expand All @@ -49,7 +52,6 @@ namespace {
HMODULE hmod = LoadLibrary( NVAPI_DLL );
if ( hmod == NULL )
{
//FeLog remove
FeDebug() << "NvAPI: " << NVAPI_DLL << " not found" << std::endl;
return 0;
}
Expand All @@ -64,38 +66,68 @@ namespace {
NvAPI_EnumPhysicalGPUs = (NvAPI_EnumPhysicalGPUs_t) (*NvAPI_QueryInterface)(0xE5AC921F);
NvAPI_GPU_GetUsages = (NvAPI_GPU_GetUsages_t) (*NvAPI_QueryInterface)(0x189A1FDF);
NvAPI_DRS_CreateProfile = (NvAPI_DRS_CreateProfile_t) (*NvAPI_QueryInterface)(0xCC176068);
NvAPI_DRS_DeleteProfile = (NvAPI_DRS_DeleteProfile_t) (*NvAPI_QueryInterface)(0x17093206);
NvAPI_DRS_CreateSession = (NvAPI_DRS_CreateSession_t) (*NvAPI_QueryInterface)(0x0694D52E);
NvAPI_DRS_LoadSettings = (NvAPI_DRS_LoadSettings_t) (*NvAPI_QueryInterface)(0x375DBD6B);
NvAPI_DRS_CreateApplication = (NvAPI_DRS_CreateApplication_t) (*NvAPI_QueryInterface)(0x4347A9DE);
NvAPI_DRS_SetSetting = (NvAPI_DRS_SetSetting_t) (*NvAPI_QueryInterface)(0x577DD202);
NvAPI_DRS_SaveSettings = (NvAPI_DRS_SaveSettings_t) (*NvAPI_QueryInterface)(0xFCBC7E14);
NvAPI_DRS_DestroySession = (NvAPI_DRS_DestroySession_t) (*NvAPI_QueryInterface)(0x0DAD9CFF8);
NvAPI_DRS_FindProfileByName = (NvAPI_DRS_FindProfileByName_t) (*NvAPI_QueryInterface)(0x7E4A9A0B);
NvAPI_DRS_FindApplicationByName = (NvAPI_DRS_FindApplicationByName_t) (*NvAPI_QueryInterface)(0xEEE566B2);
NvAPI_DRS_GetProfileInfo = (NvAPI_DRS_GetProfileInfo_t) (*NvAPI_QueryInterface)(0x61CD6FD6);
NvAPI_GetErrorMessage = (NvAPI_GetErrorMessage_t) (*NvAPI_QueryInterface)(0x6C2D048C);

NvDRSSessionHandle hSession;
NvAPI_Status status;

// Initialize NvAPI
status = NvAPI_Initialize();
FeDebug() << "NvAPI: Initialize: " << nvapi_get_error_msg( status );
if ( status != NVAPI_OK )
return 0;
FeDebug() << "NvAPI: Initialize: " << nvapi_get_error_msg( status );
if ( status != NVAPI_OK )
return 0;

status = NvAPI_DRS_CreateSession( &hSession );
FeDebug() << "NvAPI: CreateSession: " << nvapi_get_error_msg( status );

status = NvAPI_DRS_LoadSettings( hSession );
FeDebug() << "NvAPI: LoadSettings: " << nvapi_get_error_msg( status );

// Fill profile info
// Fill application info
NVDRS_APPLICATION app;
app.version = NVDRS_APPLICATION_VER;
app.isPredefined = 0;
nvapi_set_ustring( app.appName, appName );
nvapi_set_ustring( app.launcher, L"" );

NvDRSProfileHandle hProfile;

status = NvAPI_DRS_FindApplicationByName(hSession, app.appName, &hProfile, &app);
if ( status != NVAPI_OK )
return_code = 1;

NVDRS_PROFILE profileInfo;
profileInfo.version = NVDRS_PROFILE_VER;
profileInfo.isPredefined = 0;

NvAPI_DRS_GetProfileInfo(hSession, hProfile, &profileInfo);

if ( status == NVAPI_OK )
{
if ( std::wcscmp((wchar_t*)profileInfo.profileName, profileName) != 0 )
{
FeDebug() << "NvAPI: " << nowide::narrow( file_name ) << " is already assigned in profile " <<
nowide::narrow((wchar_t*)profileInfo.profileName) << std::endl;
status = NvAPI_DRS_DeleteProfile( hSession, hProfile );
FeDebug() << "NvAPI: Deleting Nvidia profile: " << nvapi_get_error_msg( status );
return_code = 1;
}
}

// Fill profile info
nvapi_set_ustring( profileInfo.profileName, profileName );

// Open profile or create if not found
NvDRSProfileHandle hProfile;
status = NvAPI_DRS_FindProfileByName( hSession, profileInfo.profileName, &hProfile );
FeDebug() << "NvAPI: FindProfileByName: " << nvapi_get_error_msg( status );

Expand All @@ -105,13 +137,6 @@ namespace {
FeDebug() << "NvAPI: CreateProfile: " << nvapi_get_error_msg( status );
}

// Fill application info
NVDRS_APPLICATION app;
app.version = NVDRS_APPLICATION_VER;
app.isPredefined = 0;
nvapi_set_ustring( app.appName, appName );
nvapi_set_ustring( app.launcher, L"" );

// Create application
status = NvAPI_DRS_CreateApplication( hSession, hProfile, &app );
if ( status != NVAPI_ERROR )
Expand Down Expand Up @@ -145,23 +170,51 @@ namespace {
}

// Set Triple Buffering
if ( enableTripleBuffering )
if ( disableTripleBuffering )
{
setting.version = NVDRS_SETTING_VER;
setting.settingId = OGL_TRIPLE_BUFFER_ID;
setting.settingType = NVDRS_DWORD_TYPE;
setting.settingLocation = NVDRS_CURRENT_PROFILE_LOCATION;
setting.isCurrentPredefined = 0;
setting.isPredefinedValid = 0;
setting.u32CurrentValue = OGL_TRIPLE_BUFFER_ENABLED;
setting.u32PredefinedValue = OGL_TRIPLE_BUFFER_ENABLED;
setting.u32CurrentValue = OGL_TRIPLE_BUFFER_DISABLED;
setting.u32PredefinedValue = OGL_TRIPLE_BUFFER_DISABLED;

status = NvAPI_DRS_SetSetting( hSession, hProfile, &setting );
FeDebug() << "NvAPI: Triple Buffering OFF: " << nvapi_get_error_msg( status );
}

// Set Prerendered Frames
if ( setPrerenderedFrames )
{
setting.version = NVDRS_SETTING_VER;
setting.settingId = PRERENDERLIMIT_ID;
setting.settingType = NVDRS_DWORD_TYPE;
setting.settingLocation = NVDRS_CURRENT_PROFILE_LOCATION;
setting.isCurrentPredefined = 0;
setting.isPredefinedValid = 0;
setting.u32CurrentValue = 0x04;
setting.u32PredefinedValue = 0x04;

status = NvAPI_DRS_SetSetting( hSession, hProfile, &setting );
FeDebug() << "NvAPI: Prendered Frames set to 4: " << nvapi_get_error_msg( status );

setting.version = NVDRS_SETTING_VER;
setting.settingId = OGL_MAX_FRAMES_ALLOWED_ID;
setting.settingType = NVDRS_DWORD_TYPE;
setting.settingLocation = NVDRS_CURRENT_PROFILE_LOCATION;
setting.isCurrentPredefined = 0;
setting.isPredefinedValid = 0;
setting.u32CurrentValue = 0x04;
setting.u32PredefinedValue = 0x04;

status = NvAPI_DRS_SetSetting( hSession, hProfile, &setting );
FeDebug() << "NvAPI: Triple Buffering ON: " << nvapi_get_error_msg( status );
FeDebug() << "NvAPI: Maximum frames allowed set to 4: " << nvapi_get_error_msg( status );
}

// Set Power State
if ( maximumPerformance )
if ( setMaximumPerformance )
{
setting.version = NVDRS_SETTING_VER;
setting.settingId = PREFERRED_PSTATE_ID;
Expand All @@ -184,6 +237,6 @@ namespace {
status = NvAPI_DRS_DestroySession( hSession );
FeDebug() << "NvAPI: Closing Nvidia session: " << nvapi_get_error_msg( status );

return 0;
return return_code;
}
}
19 changes: 17 additions & 2 deletions extlibs/nvapi/nvapi_definitions.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -9,8 +9,9 @@ namespace {
enum Esetting {
OGL_THREAD_CONTROL_ID = 0x20C1221E,
OGL_TRIPLE_BUFFER_ID = 0x20FDD1F9,
PREFERRED_PSTATE_ID = 0x1057EB71

PREFERRED_PSTATE_ID = 0x1057EB71,
PRERENDERLIMIT_ID = 0x007BA09E,
OGL_MAX_FRAMES_ALLOWED_ID = 0x208E55E3
};

enum EValues_OGL_THREAD_CONTROL {
Expand Down Expand Up @@ -40,6 +41,14 @@ enum EValues_PREFERRED_PSTATE {
PREFERRED_PSTATE_DEFAULT = PREFERRED_PSTATE_OPTIMAL_POWER
};

enum EValues_PRERENDERLIMIT {
PRERENDERLIMIT_MIN = 0x00,
PRERENDERLIMIT_MAX = 0xff,
PRERENDERLIMIT_APP_CONTROLLED = 0x00,
PRERENDERLIMIT_NUM_VALUES = 3,
PRERENDERLIMIT_DEFAULT = PRERENDERLIMIT_APP_CONTROLLED
};

typedef enum _NvAPI_Status
{
NVAPI_OK = 0, //!< Success. Request is completed.
Expand Down Expand Up @@ -290,13 +299,16 @@ typedef NvAPI_Status (*NvAPI_Initialize_t)();
typedef NvAPI_Status (*NvAPI_EnumPhysicalGPUs_t)(int **handles, int *count);
typedef NvAPI_Status (*NvAPI_GPU_GetUsages_t)(int *handle, unsigned int *usages);
typedef NvAPI_Status (*NvAPI_DRS_CreateProfile_t)(NvDRSSessionHandle hSession, NVDRS_PROFILE *pProfileInfo, NvDRSProfileHandle *phProfile);
typedef NvAPI_Status (*NvAPI_DRS_DeleteProfile_t)(NvDRSSessionHandle hSession, NvDRSProfileHandle hProfile);
typedef NvAPI_Status (*NvAPI_DRS_CreateSession_t)(NvDRSSessionHandle *phSession);
typedef NvAPI_Status (*NvAPI_DRS_LoadSettings_t)(NvDRSSessionHandle hSession);
typedef NvAPI_Status (*NvAPI_DRS_CreateApplication_t)(NvDRSSessionHandle hSession, NvDRSProfileHandle hProfile, NVDRS_APPLICATION *pApplication);
typedef NvAPI_Status (*NvAPI_DRS_SetSetting_t)(NvDRSSessionHandle hSession, NvDRSProfileHandle hProfile, NVDRS_SETTING *pSetting);
typedef NvAPI_Status (*NvAPI_DRS_SaveSettings_t)(NvDRSSessionHandle hSession);
typedef NvAPI_Status (*NvAPI_DRS_DestroySession_t)(NvDRSSessionHandle hSession);
typedef NvAPI_Status (*NvAPI_DRS_FindProfileByName_t)(NvDRSSessionHandle hSession, NvAPI_UnicodeString profileName, NvDRSProfileHandle* phProfile);
typedef NvAPI_Status (*NvAPI_DRS_FindApplicationByName_t)(NvDRSSessionHandle hSession, NvAPI_UnicodeString appName, NvDRSProfileHandle* phProfile, NVDRS_APPLICATION* pApplication);
typedef NvAPI_Status (*NvAPI_DRS_GetProfileInfo_t)(NvDRSSessionHandle hSession, NvDRSProfileHandle hProfile, NVDRS_PROFILE* pProfileInfo);
typedef NvAPI_Status (*NvAPI_GetErrorMessage_t)(NvAPI_Status nr,NvAPI_ShortString szDesc);

// nvapi.dll internal function pointers
Expand All @@ -305,13 +317,16 @@ NvAPI_Initialize_t NvAPI_Initialize = NULL;
NvAPI_EnumPhysicalGPUs_t NvAPI_EnumPhysicalGPUs = NULL;
NvAPI_GPU_GetUsages_t NvAPI_GPU_GetUsages = NULL;
NvAPI_DRS_CreateProfile_t NvAPI_DRS_CreateProfile = NULL;
NvAPI_DRS_DeleteProfile_t NvAPI_DRS_DeleteProfile = NULL;
NvAPI_DRS_CreateSession_t NvAPI_DRS_CreateSession = NULL;
NvAPI_DRS_LoadSettings_t NvAPI_DRS_LoadSettings = NULL;
NvAPI_DRS_CreateApplication_t NvAPI_DRS_CreateApplication = NULL;
NvAPI_DRS_SetSetting_t NvAPI_DRS_SetSetting = NULL;
NvAPI_DRS_SaveSettings_t NvAPI_DRS_SaveSettings = NULL;
NvAPI_DRS_DestroySession_t NvAPI_DRS_DestroySession = NULL;
NvAPI_DRS_FindProfileByName_t NvAPI_DRS_FindProfileByName = NULL;
NvAPI_DRS_FindApplicationByName_t NvAPI_DRS_FindApplicationByName = NULL;
NvAPI_DRS_GetProfileInfo_t NvAPI_DRS_GetProfileInfo = NULL;
NvAPI_GetErrorMessage_t NvAPI_GetErrorMessage = NULL;

}
4 changes: 3 additions & 1 deletion src/main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -112,7 +112,9 @@ int main(int argc, char *argv[])
#ifdef SFML_SYSTEM_WINDOWS
// Detect an nvidia card and if it's found create an nvidia profile
// for Attract Mode with optimizations
nvapi_init();
if ( nvapi_init() > 0 )
FeLog() << "Nvidia GPU detected. Attract Mode profile was not found so it has been created.\n"
<< "In order for the changes to take effect, please restart Attract Mode\n" << std::endl;
FeDebug() << std::endl;
#endif

Expand Down