AntiLag
Demonstrates how to access AMD Radeon™ Anti-Lag options, and perform related testing when programming with ADLX.
Command Prompts
| Command Prompt | Description |
|---|---|
| 1 | Display Radeon Anti-Lag support |
| 2 | Display current Radeon Anti-Lag state |
| 3 | Enable Radeon Anti-Lag |
| 4 | Disable Radeon Anti-Lag |
| 5 | Enable Radeon Anti-Lag |
| 6 | Get Radeon Anti-Lag Level |
| 7 | Set Radeon Anti-Lag Level to Anti-Lag |
| 8 | Set Radeon Anti-Lag Level to Anti-Lag Next |
| M/m | Display the main menu |
| Q/q | Quit the application |
Sample Path
/Samples/CPP/3DGraphics/AntiLag
Code
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//
// Copyright (c) 2021 - 2025 Advanced Micro Devices, Inc. All rights reserved.
//
//-------------------------------------------------------------------------------------------------
#include "SDK/ADLXHelper/Windows/Cpp/ADLXHelper.h"
#include "SDK/Include/I3DSettings.h"
#include <iostream>
#include <string>
// Use ADLX namespace
using namespace adlx;
// ADLXHelper instance
// No outstanding interfaces from ADLX must exist when ADLX is destroyed.
// Use global variables to ensure validity of the interface.
static ADLXHelper g_ADLXHelp;
// Display Anti-Lag support
void ShowAntiLagSupport(const IADLX3DAntiLagPtr& d3dAntiLag, const IADLX3DAntiLag1Ptr& d3dAntiLag1);
// Display current Anti-Lag state
void GetAntiLagState(const IADLX3DAntiLagPtr& d3dAntiLag, const IADLX3DAntiLag1Ptr& d3dAntiLag1);
// Set Anti-Lag state
void SetAntiLagState(const IADLX3DAntiLagPtr& d3dAntiLag, const IADLX3DAntiLag1Ptr& d3dAntiLag1, int index);
// Display current Anti-Lag state
void GetAntiLagLevel(const IADLX3DAntiLag1Ptr& d3dAntiLag1);
// Set Anti-Lag state
void SetAntiLagLevel(const IADLX3DAntiLag1Ptr& d3dAntiLag1, ADLX_ANTILAG_STATE level);
// Menu
void MainMenu(bool alnSupported);
// Menu control
void MenuControl(const IADLX3DAntiLagPtr& d3dAntiLag, const IADLX3DAntiLag1Ptr& d3dAntiLag1);
// Wait for exit with error message
int WaitAndExit(const char* msg, const int retCode);
int main()
{
// Define return code
ADLX_RESULT res = ADLX_FAIL ;
ADLX_RESULT resALN = ADLX_FAIL ;
// Initialize ADLX
res = g_ADLXHelp.Initialize();
if (ADLX_SUCCEEDED (res))
{
// Get GPUs
IADLXGPUListPtr gpus;
res = g_ADLXHelp.GetSystemServices()->GetGPUs(&gpus);
// Get 3DSettings service
IADLX3DSettingsServicesPtr d3dSettingSrv;
res = g_ADLXHelp.GetSystemServices()->Get3DSettingsServices(&d3dSettingSrv);
if (!gpus->Empty() && ADLX_SUCCEEDED (res))
{
// Get GPU interface
IADLXGPUPtr gpuInfo;
adlx_uint index = 0;
res = gpus->At(index, &gpuInfo);
// Get AntiLag interface
IADLX3DAntiLagPtr d3dAntiLag;
res = d3dSettingSrv->GetAntiLag(gpuInfo, &d3dAntiLag);
IADLX3DAntiLag1Ptr d3dAntiLag1(d3dAntiLag);
if (ADLX_SUCCEEDED (res))
{
//resALN = d3dAntiLag->QueryInterface(IADLX3DAntiLag1::IID(), reinterpret_cast<void**>(&d3dAntiLag1));
MainMenu(d3dAntiLag1 != NULL);
MenuControl(d3dAntiLag, d3dAntiLag1);
}
}
else
{
std::cout << "Failed to get 3DSettings services: " << res << std::endl;
}
}
else
{
return WaitAndExit("ADLX initialization failed", 0);
}
// Destroy ADLX
res = g_ADLXHelp.Terminate();
std::cout << "Destroy ADLX res: " << res << std::endl;
// Pause to see the print out
system("pause");
return 0;
}
void ShowAntiLagSupport(const IADLX3DAntiLagPtr& d3dAntiLag, const IADLX3DAntiLag1Ptr& d3dAntiLag1)
{
adlx_bool supported = false;
if (d3dAntiLag1 != NULL)
d3dAntiLag1->IsSupported(&supported);
else
d3dAntiLag->IsSupported(&supported);
std::cout << "\\tIsSupported: " << supported << std::endl;
}
void GetAntiLagState(const IADLX3DAntiLagPtr& d3dAntiLag, const IADLX3DAntiLag1Ptr& d3dAntiLag1)
{
adlx_bool enabled = false;
if (d3dAntiLag1 != NULL)
d3dAntiLag1->IsEnabled(&enabled);
else
d3dAntiLag->IsEnabled(&enabled);
std::cout << "\\tIsEnabled: " << enabled << std::endl;
}
void SetAntiLagState(const IADLX3DAntiLagPtr& d3dAntiLag, const IADLX3DAntiLag1Ptr& d3dAntiLag1, int index)
{
ADLX_RESULT res;
if (d3dAntiLag1 != NULL)
res = d3dAntiLag1->SetEnabled(index == 0);
else
res = d3dAntiLag->SetEnabled(index == 0);
std::cout << "\\tReturn code is: " << res << "(0 means success)" << std::endl;
}
void GetAntiLagLevel(const IADLX3DAntiLag1Ptr& d3dAntiLag1)
{
ADLX_ANTILAG_STATE level ;
ADLX_RESULT res = d3dAntiLag1->GetLevel(&level);
if (ADLX_SUCCEEDED (res))
std::cout << "\\tLevel: " << (level == ADLX_ANTILAG_STATE::ANTILAG ? "Anti-Lag" : "Anti-Lag Next") << std::endl;
}
void SetAntiLagLevel(const IADLX3DAntiLag1Ptr& d3dAntiLag1, ADLX_ANTILAG_STATE level)
{
ADLX_RESULT res = d3dAntiLag1->SetLevel(level);
std::cout << "\\tReturn code is: " << res << "(0 means success)" << std::endl;
}
int WaitAndExit(const char* msg, const int retCode)
{
// Print out the message and pause to see it before returning the desired code
if (nullptr != msg)
std::cout << msg << std::endl;
system("pause");
return retCode;
}
void MainMenu(bool alnSupported)
{
std::cout << "\\tChoose from the following options:" << std::endl;
std::cout << "\\t->Press 1 to display Anti-Lag support" << std::endl;
std::cout << "\\t->Press 2 to display current Anti-Lag state" << std::endl;
std::cout << "\\t->Press 3 to enable Anti-Lag" << std::endl;
std::cout << "\\t->Press 4 to disable Anti-Lag" << std::endl;
if (alnSupported)
{
std::cout << "\\t->Press 5 to Get Level" << std::endl;
std::cout << "\\t->Press 6 to Set Level to Anti-Lag" << std::endl;
std::cout << "\\t->Press 7 to Set Level to Anti-Lag Next" << std::endl;
}
std::cout << "\\t->Press Q/q to quit the application" << std::endl;
std::cout << "\\t->Press M/m to display menu options" << std::endl;
}
void MenuControl(const IADLX3DAntiLagPtr& d3dAntiLag, const IADLX3DAntiLag1Ptr& d3dAntiLag1 )
{
int num = 0;
while ((num = getchar()) != 'q' && num != 'Q')
{
switch (num)
{
// Display Anti-Lag support
case '1':
ShowAntiLagSupport(d3dAntiLag, d3dAntiLag1);
break;
// Display current Anti-Lag state
case '2':
GetAntiLagState(d3dAntiLag, d3dAntiLag1);
break;
// Set Anti-Lag state
case '3':
case '4':
SetAntiLagState(d3dAntiLag, d3dAntiLag1, num - '3');
break;
case '5':
GetAntiLagLevel(d3dAntiLag1);
break;
case '6':
SetAntiLagLevel(d3dAntiLag1, ADLX_ANTILAG_STATE::ANTILAG );
break;
case '7':
SetAntiLagLevel(d3dAntiLag1, ADLX_ANTILAG_STATE::ANTILAGNEXT );
break;
// Display menu options
case 'm':
case 'M':
MainMenu(d3dAntiLag1 != NULL ? true : false);
break;
default:
break;
}
}
}
