diff --git a/projects/core/src/output_device/gryphn_physical_device.h b/projects/core/src/output_device/gryphn_physical_device.h
index 04779ce..d9fad10 100644
--- a/projects/core/src/output_device/gryphn_physical_device.h
+++ b/projects/core/src/output_device/gryphn_physical_device.h
@@ -29,12 +29,18 @@ typedef struct gnPhysicalDeviceProperties {
 } gnPhysicalDeviceProperties;
 
 typedef struct gnPhysicalDeviceFeatures {
-    gnMultisampleCountFlags maxColorSamples, maxDepthSamples;
-    uint32_t maxMemoryAllocations;
-    uint32_t maxPushConstantSize;
+    gnBool uint32Index;
+    gnBool geometryShader;
+    gnBool tessellationShader;
+    gnBool multiDrawIndirect;
+    gnBool drawIndirectFirstInstance;
+    gnBool fillModeNonSolid;
+    gnBool wideLines;
+    gnBool largePoints;
+    gnBool samplerAnisotropy;
 } gnPhysicalDeviceFeatures;
 
-// gnPhysicalDeviceProperties gnQueryPhysicalDeviceFeatures(gnInstanceHandle instance, gn);
-gnPhysicalDeviceProperties gnQueryPhysicalDeviceProperties(gnInstanceHandle instance, gnPhysicalDeviceHandle handle);
+gnPhysicalDeviceProperties gnQueryPhysicalDeviceFeatures(gnInstanceHandle instance, gnPhysicalDeviceHandle device);
+gnPhysicalDeviceProperties gnQueryPhysicalDeviceProperties(gnInstanceHandle instance, gnPhysicalDeviceHandle device);
 
 gnBool gnPhysicalDeviceCanPresentToSurface(gnInstance instance, gnPhysicalDeviceHandle device, gnWindowSurfaceHandle windowSurface);