Eyefinity
Demonstrates how to create an AMD Eyefinity desktop when programming with ADLX.
Command Prompts
| Command Prompt | Description |
|---|---|
| 1 | Display AMD Eyefinity support. |
| 2 | Create an AMD Eyefinity desktop with all the enabled displays. |
| 3 | Destroy all the AMD Eyefinity desktops. |
| 4 | Destroy the given AMD Eyefinity desktop. |
| M/m | Display the command prompt menu. |
| Q/q | Terminate the application. |
Sample Path
/Samples/C/Desktop/Eyefinity
Code
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//
// Copyright (c) 2021 - 2025 Advanced Micro Devices, Inc. All rights reserved.
//
//-------------------------------------------------------------------------------------------------
#include "SDK/ADLXHelper/Windows/C/ADLXHelper.h"
#include "SDK/Include/IDesktops.h"
#include "SDK/Include/IDisplays.h"
// Main menu
void MainMenu();
// Menu action control
void MenuControl();
// Display Eyefinity support
void ShowEyefinitySupport();
// Create an Eyefinity desktop
void CreateEyefinityDesktop();
// Destroy all the Eyefinity desktops
void DestroyAllEyefinityDesktop();
// Destroy the given Eyefinity desktop
void DestroyGivenEyefinityDesktop();
// Wait for exit with error message
int WaitAndExit(const char* msg, const int retCode);
int main()
{
// Define return code
ADLX_RESULT res = ADLX_FAIL ;
// Initialize ADLX
res = ADLXHelper_Initialize();
if (ADLX_SUCCEEDED (res))
{
// Display main menu options
MainMenu();
// Get and execute the choice
MenuControl();
}
else
return WaitAndExit("\\tg_ADLXHelp initialize failed", 0);
// Destroy ADLX
res = ADLXHelper_Terminate();
printf("Destroy ADLX result: %d\\n", res);
// Pause to see the print out
system("pause");
return 0;
}
// main menu
void MainMenu()
{
printf("\\tChoose one from the following options\\n");
printf("\\t->Press 1 to display Eyefinity support\\n");
printf("\\t->Press 2 to create an Eyefinity desktop with all the enabled displays\\n");
printf("\\t->Press 3 to destroy all the Eyefinity desktops\\n");
printf("\\t->Press 4 to destroy the given Eyefinity desktop\\n");
printf("\\t->Press Q/q to terminate the application\\n");
printf("\\t->Press M/m to display main menu options\\n");
}
// Menu action control
void MenuControl()
{
int num = 0;
while ((num = getchar()) != 'q' && num != 'Q')
{
switch (num)
{
// Display Eyefinity support
case '1':
ShowEyefinitySupport();
break;
// Create an Eyefinity desktop
case '2':
CreateEyefinityDesktop();
break;
// Destroy all the Eyefinity desktops
case '3':
DestroyAllEyefinityDesktop();
break;
// Destroy the given Eyefinity desktop
case '4':
DestroyGivenEyefinityDesktop();
break;
// Display main menu options
case 'm':
case 'M':
MainMenu();
break;
default:
break;
}
}
}
// Display Eyefinity support status
void ShowEyefinitySupport()
{
// Get system services
IADLXSystem* sys = ADLXHelper_GetSystemServices();
IADLXDesktopServices* desktopsInfo = NULL;
ADLX_RESULT res = sys->pVtbl->GetDesktopsServices(sys, &desktopsInfo);
if (ADLX_SUCCEEDED (res))
{
IADLXSimpleEyefinity* eyefinity = NULL;
res = desktopsInfo->pVtbl->GetSimpleEyefinity(desktopsInfo, &eyefinity);
if (ADLX_SUCCEEDED (res))
{
adlx_bool supported = 0;
res = eyefinity->pVtbl->IsSupported(eyefinity, &supported);
if (ADLX_SUCCEEDED (res))
printf("\\t Eyefinity is supported on the desktop: %s\\n", supported ? "Yes" : "No");
}
else
printf("\\tFailed to get simple Eyefinity\\n");
if (eyefinity != NULL)
{
eyefinity->pVtbl->Release(eyefinity);
eyefinity = NULL;
}
}
else
printf("\\tFailed to get the Desktop Services interface\\n");
if (desktopsInfo != NULL)
{
desktopsInfo->pVtbl->Release(desktopsInfo);
desktopsInfo = NULL;
}
}
// Create an Eyefinity desktop
void CreateEyefinityDesktop()
{
// Get system services
IADLXSystem* sys = ADLXHelper_GetSystemServices();
IADLXDesktopServices* desktopsInfo = NULL;
ADLX_RESULT res = sys->pVtbl->GetDesktopsServices(sys, &desktopsInfo);
if (ADLX_SUCCEEDED (res))
{
IADLXSimpleEyefinity* eyefinity = NULL;
res = desktopsInfo->pVtbl->GetSimpleEyefinity(desktopsInfo, &eyefinity);
if (ADLX_SUCCEEDED (res))
{
IADLXEyefinityDesktop* eyefinityDesktop = NULL;
res = eyefinity->pVtbl->Create(eyefinity, &eyefinityDesktop);
printf("\\treturn code is: %d (0 means Success)\\n", res);
if (eyefinityDesktop != NULL)
{
eyefinityDesktop->pVtbl->Release(eyefinityDesktop);
eyefinityDesktop = NULL;
}
}
else
printf("\\tFailed to get simple Eyefinity\\n");
if (eyefinity != NULL)
{
eyefinity->pVtbl->Release(eyefinity);
eyefinity = NULL;
}
}
else
printf("\\tFailed to get the Desktop Services interface\\n");
if (desktopsInfo != NULL)
{
desktopsInfo->pVtbl->Release(desktopsInfo);
desktopsInfo = NULL;
}
}
// Destroy all the Eyefinity desktops
void DestroyAllEyefinityDesktop()
{
// Get system services
IADLXSystem* sys = ADLXHelper_GetSystemServices();
IADLXDesktopServices* desktopsInfo = NULL;
ADLX_RESULT res = sys->pVtbl->GetDesktopsServices(sys, &desktopsInfo);
if (ADLX_SUCCEEDED (res))
{
IADLXSimpleEyefinity* eyefinity = NULL;
res = desktopsInfo->pVtbl->GetSimpleEyefinity(desktopsInfo, &eyefinity);
if (ADLX_SUCCEEDED (res))
{
res = eyefinity->pVtbl->DestroyAll(eyefinity);
printf("\\treturn code is: %d (0 means success)\\n", res);
}
else
printf("\\tFailed to get simple Eyefinity\\n");
if (eyefinity != NULL)
{
eyefinity->pVtbl->Release(eyefinity);
eyefinity = NULL;
}
}
else
printf("\\tFailed to get the Desktop Services interface\\n");
if (desktopsInfo != NULL)
{
desktopsInfo->pVtbl->Release(desktopsInfo);
desktopsInfo = NULL;
}
}
// Destroy the given Eyefinity desktop
void DestroyGivenEyefinityDesktop()
{
// Get system services
IADLXSystem* sys = ADLXHelper_GetSystemServices();
IADLXDesktopServices* desktopsInfo = NULL;
ADLX_RESULT res = sys->pVtbl->GetDesktopsServices(sys, &desktopsInfo);
if (ADLX_SUCCEEDED (res))
{
IADLXSimpleEyefinity* eyefinity = NULL;
res = desktopsInfo->pVtbl->GetSimpleEyefinity(desktopsInfo, &eyefinity);
if (ADLX_SUCCEEDED (res))
{
IADLXDesktopList* desktops = NULL;
res = desktopsInfo->pVtbl->GetDesktops(desktopsInfo, &desktops);
if (ADLX_SUCCEEDED (res))
{
for (adlx_uint crt = desktops->pVtbl->Begin(desktops); crt != desktops->pVtbl->End(desktops); ++crt)
{
IADLXDesktop* desktop = NULL;
res = desktops->pVtbl->At_DesktopList(desktops, crt, &desktop);
if (ADLX_SUCCEEDED (res))
{
IADLXEyefinityDesktop* eyefinityDesktop = NULL;
void* pInterf = NULL;
res = desktop->pVtbl->QueryInterface(desktop, IID_IADLXEyefinityDesktop(), &pInterf);
if (ADLX_SUCCEEDED (res))
{
eyefinityDesktop = (IADLXEyefinityDesktop*)pInterf;
res = eyefinity->pVtbl->Destroy(eyefinity, eyefinityDesktop);
printf("\\tReturn code for destroying Desktop %d is: %d (0 means Success)\\n", crt, res);
}
else
printf("\\tEyefinityDesktop is NULL\\n");
if (eyefinityDesktop != NULL)
{
eyefinityDesktop->pVtbl->Release(eyefinityDesktop);
eyefinityDesktop = NULL;
}
}
else
printf("\\tDesktop is NULL\\n");
if (desktop != NULL)
{
desktop->pVtbl->Release(desktop);
desktop = NULL;
}
}
}
else
printf("\\tFailed to get the Desktop interface\\n");
if (desktops != NULL)
{
desktops->pVtbl->Release(desktops);
desktops = NULL;
}
}
else
printf("\\t Failed to get simple Eyefinity \\n");
if (eyefinity != NULL)
{
eyefinity->pVtbl->Release(eyefinity);
eyefinity = NULL;
}
}
else
printf("\\tFailed to get the Desktop Services interface\\n");
if (desktopsInfo != NULL)
{
desktopsInfo->pVtbl->Release(desktopsInfo);
desktopsInfo = NULL;
}
}
// Wait for exit with error message
int WaitAndExit(const char* msg, const int retCode)
{
// Printout the message and pause to see it before returning the desired code
if (NULL != msg)
printf("%s\\n", msg);
system("pause");
return retCode;
}
