Utility class for displaying VRAM information for Nvidia cards

core/src/mindustry/graphics/NvGpuInfo.java

@@ -0,0 +1,28 @@
+package mindustry.graphics;
+
+import arc.*;
+import arc.graphics.*;
+
+/** Nvidia-specific utility class for querying GPU VRAM information. */
+public class NvGpuInfo{
+    private static final int GL_GPU_MEM_INFO_TOTAL_AVAILABLE_MEM_NVX = 0x9048;
+    private static final int GL_GPU_MEM_INFO_CURRENT_AVAILABLE_MEM_NVX = 0x9049;
+
+    private static boolean supported, initialized;
+
+    public static int getMaxMemoryKB(){
+        return hasMemoryInfo() ? Gl.getInt(GL_GPU_MEM_INFO_TOTAL_AVAILABLE_MEM_NVX) : 0;
+    }
+
+    public static int getAvailableMemoryKB(){
+        return hasMemoryInfo() ? Gl.getInt(GL_GPU_MEM_INFO_CURRENT_AVAILABLE_MEM_NVX) : 0;
+    }
+
+    public static boolean hasMemoryInfo(){
+        if(!initialized){
+            supported = Core.graphics.supportsExtension("GL_NVX_gpu_memory_info");
+            initialized = true;
+        }
+        return supported;
+    }
+}