Disabled OpenGL 3.0 for Intel GPUs

core/src/mindustry/ClientLauncher.java

@@ -55,11 +55,16 @@ public abstract class ClientLauncher extends ApplicationCore implements Platform
         Log.info("[GL] Version: @", graphics.getGLVersion());
         Log.info("[GL] Max texture size: @", maxTextureSize);
         Log.info("[GL] Using @ context.", gl30 != null ? "OpenGL 3" : "OpenGL 2");
-        if(gl30 == null) Log.warn("[GL] Your device or video drivers do not support OpenGL 3. This will cause performance issues.");
+
-        if(NvGpuInfo.hasMemoryInfo()){
+        if(GpuDetect.gpus.size > 0) Log.info("[GL] Detected GPU: @", GpuDetect.gpus.toString(", "));
-            Log.info("[GL] Total available VRAM: @mb", NvGpuInfo.getMaxMemoryKB()/1024);
+        if(GpuDetect.isIntel) Log.warn("[GL] Intel GPU detected. Due to memory corruption issues, OpenGL 3 support has been disabled for Intel GPUs. See issue #11041.");
-        }
+
+        if(gl30 == null && !GpuDetect.isIntel) Log.warn("[GL] Your device or video drivers do not support OpenGL 3. This will cause performance issues.");
+
+        if(NvGpuInfo.hasMemoryInfo()) Log.info("[GL] Total available VRAM: @mb", NvGpuInfo.getMaxMemoryKB()/1024);
+
         if(maxTextureSize < 4096) Log.warn("[GL] Your maximum texture size is below the recommended minimum of 4096. This will cause severe performance issues.");
+
         Log.info("[JAVA] Version: @", OS.javaVersion);
         if(Core.app.isAndroid()){
             Log.info("[ANDROID] API level: @", Core.app.getVersion());

core/src/mindustry/graphics/GpuDetect.java

@@ -0,0 +1,28 @@
+package mindustry.graphics;
+
+import arc.struct.*;
+import arc.util.*;
+
+import java.util.*;
+
+/** GPU detection for Windows only. All fields will be false or empty on other platforms, even if #init() is called. */
+public class GpuDetect{
+    public static String rawGpuString = "";
+    public static Seq<String> gpus = new Seq<>();
+    public static boolean isIntel, isNvidia, isAMD;
+
+    public static void init(){
+        if(OS.isWindows){
+            try{
+                rawGpuString = OS.exec("wmic", "path", "win32_VideoController", "get", "name");
+                gpus = Seq.with(rawGpuString.split("\n")).map(s -> s.trim()).removeAll(s -> s.isEmpty() || s.equalsIgnoreCase("name"));
+
+                isIntel = rawGpuString.toLowerCase(Locale.ROOT).contains("intel");
+                isNvidia = rawGpuString.toLowerCase(Locale.ROOT).contains("nvidia");
+                isAMD = rawGpuString.toLowerCase(Locale.ROOT).contains("amd") || rawGpuString.toLowerCase(Locale.ROOT).contains("radeon");
+            }catch(Exception e){
+                Log.err(e);
+            }
+        }
+    }
+}

desktop/src/mindustry/desktop/DesktopLauncher.java

@@ -19,6 +19,7 @@ import mindustry.core.*;
 import mindustry.desktop.steam.*;
 import mindustry.game.EventType.*;
 import mindustry.gen.*;
+import mindustry.graphics.*;
 import mindustry.mod.Mods.*;
 import mindustry.net.*;
 import mindustry.net.Net.*;
@@ -39,13 +40,22 @@ public class DesktopLauncher extends ClientLauncher{
     public static void main(String[] arg){
         try{
             Vars.loadLogger();
+
+            //note that this only does something on Windows
+            GpuDetect.init();
+
             new SdlApplication(new DesktopLauncher(arg), new SdlConfig(){{
                 title = "Mindustry";
                 maximized = true;
                 width = 900;
                 height = 700;
                 gl30Minor = 2;
-                gl30 = true;
+
+                //on Windows, Intel drivers might be buggy with OpenGL 3.x, so disable it. See https://github.com/Anuken/Mindustry/issues/11041
+                if(!GpuDetect.isIntel){
+                    gl30 = true;
+                }
+
                 for(int i = 0; i < arg.length; i++){
                     if(arg[i].charAt(0) == '-'){
                         String name = arg[i].substring(1);