DisplayInfo
Demonstrates how to obtain the display information when programming with ADLX to perform related tests.
Sample Path
/Samples/java/DisplayInfo
Code
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//
// Copyright (c) 2021 - 2025 Advanced Micro Devices, Inc. All rights reserved.
//
//-------------------------------------------------------------------------------------------------
import out.*;
public class mainDisplayInfo {
// Load ADLXJavaBind.dll
static {
try {
System.loadLibrary("ADLXJavaBind");
} catch (UnsatisfiedLinkError e) {
System.err.println("Native code library failed to load. See the chapter on Dynamic Linking Problems in the SWIG Java documentation for help.\\n" + e);
System.exit(1);
}
}
// Iterate display list
public static void main(String[] args) {
// Initialize ADLX with ADLXHelper
ADLXHelper help = new ADLXHelper();
ADLX_RESULT res = help.Initialize();
if (res == ADLX_RESULT .ADLX_OK) {
// Get system services
IADLXSystem sys = help.GetSystemServices();
if (sys != null) {
// Get display services
SWIGTYPE_p_p_adlx__IADLXDisplayServices s = ADLX.new_displaySerP_Ptr();
res = sys.GetDisplaysServices(s);
IADLXDisplayServices displayService = ADLX.displaySerP_Ptr_value(s);
if (res == ADLX_RESULT .ADLX_OK) {
// Get display list
SWIGTYPE_p_p_adlx__IADLXDisplayList ppDisplayList = ADLX.new_displayListP_Ptr();
res = displayService.GetDisplays(ppDisplayList);
IADLXDisplayList displayList = ADLX.displayListP_Ptr_value(ppDisplayList);
if (res == ADLX_RESULT .ADLX_OK) {
// Iterate through the display list
long it = displayList.Begin();
for(; it != displayList.Size(); it++) {
SWIGTYPE_p_p_adlx__IADLXDisplay ppDisplay = ADLX.new_displayP_Ptr();
res = displayList.At(it, ppDisplay);
IADLXDisplay display = ADLX.displayP_Ptr_value(ppDisplay);
if (res == ADLX_RESULT .ADLX_OK) {
SWIGTYPE_p_p_char ppName = ADLX.new_charP_Ptr();
display.Name(ppName);
String name = ADLX.charP_Ptr_value(ppName);
SWIGTYPE_p_ADLX_DISPLAY_TYPE pDisType = ADLX.new_displayTypeP();
display.DisplayType(pDisType);
ADLX_DISPLAY_TYPE disType = ADLX.displayTypeP_value(pDisType);
SWIGTYPE_p_unsigned_int pMID = ADLX.new_uintP();
display.ManufacturerID(pMID);
long mid = ADLX.uintP_value(pMID);
SWIGTYPE_p_ADLX_DISPLAY_CONNECTOR_TYPE pConnect = ADLX.new_disConnectTypeP();
display.ConnectorType(pConnect);
ADLX_DISPLAY_CONNECTOR_TYPE connect = ADLX.disConnectTypeP_value(pConnect);
SWIGTYPE_p_p_char ppEDIE = ADLX.new_charP_Ptr();
display.EDID(ppEDIE);
String edid = ADLX.charP_Ptr_value(ppEDIE);
SWIGTYPE_p_int pH = ADLX.new_intP();
SWIGTYPE_p_int pV = ADLX.new_intP();
display.NativeResolution(pH, pV);
int h = ADLX.intP_value(pH);
int v = ADLX.intP_value(pV);
SWIGTYPE_p_double pRefRate = ADLX.new_doubleP();
display.RefreshRate(pRefRate);
double refRate = ADLX.doubleP_value(pRefRate);
SWIGTYPE_p_unsigned_int pPixClock = ADLX.new_uintP();
display.PixelClock(pPixClock);
long pixClock = ADLX.uintP_value(pPixClock);
SWIGTYPE_p_ADLX_DISPLAY_SCAN_TYPE pScanType = ADLX.new_disScanTypeP();
display.ScanType(pScanType);
ADLX_DISPLAY_SCAN_TYPE scanType = ADLX.disScanTypeP_value(pScanType);
SWIGTYPE_p_size_t pID = ADLX.new_adlx_sizeP();
display.UniqueId(pID);
long id = ADLX.adlx_sizeP_value(pID);
System.out.printf("\\nThe display [%d]:\\n", it);
System.out.printf("\\tName: %s\\n", name);
System.out.printf("\\tType: %s\\n", disType.toString());
System.out.printf("\\tConnector type: %s\\n", connect.toString());
System.out.printf("\\tManufacturer id: %d\\n", mid);
System.out.printf("\\tEDID: %s\\n", edid);
System.out.printf("\\tResolution: h: %d v: %d\\n", h, v);
System.out.printf("\\tRefresh rate: %f\\n", refRate);
System.out.printf("\\tPixel clock: %d\\n", pixClock);
System.out.printf("\\tScan type: %s\\n", scanType.toString());
System.out.printf("\\tUnique id: %d\\n", id);
// Release display interface
display.Release();
}
}
// Release display list interface
displayList.Release();
}
// Release display services interface
displayService.Release();
}
}
} else {
System.out.printf("ADLX helper initialization res: %s\\n", res.toString());
}
// Terminate ADLX
res = help.Terminate();
System.out.printf("ADLX Terminate: %s\\n", res.toString());
}
}
