diff --git a/vrclient_x64/unix_vrcompositor_manual.cpp b/vrclient_x64/unix_vrcompositor_manual.cpp
index a3c1d70f3..141521209 100644
--- a/vrclient_x64/unix_vrcompositor_manual.cpp
+++ b/vrclient_x64/unix_vrcompositor_manual.cpp
@@ -109,76 +109,68 @@ static u_Texture_t *unwrap_submit_texture_data( const w_VRTextureWithPoseAndDept
     return (u_Texture_t *)u_texture;
 }
 
-NTSTATUS IVRCompositor_IVRCompositor_019_GetVulkanDeviceExtensionsRequired( void *args )
+template <typename Params, typename Iface>
+NTSTATUS get_vulkan_device_extensions_required( Params *params, Iface *iface )
 {
-    struct IVRCompositor_IVRCompositor_019_GetVulkanDeviceExtensionsRequired_params *params = (struct IVRCompositor_IVRCompositor_019_GetVulkanDeviceExtensionsRequired_params *)args;
-    struct u_IVRCompositor_IVRCompositor_019 *iface = (struct u_IVRCompositor_IVRCompositor_019 *)params->linux_side;
     VkPhysicalDevice_T *host_device = p_get_native_VkPhysicalDevice( params->pPhysicalDevice );
     params->_ret = (uint32_t)iface->GetVulkanDeviceExtensionsRequired( host_device, params->pchValue, params->unBufferSize );
     return 0;
 }
 
+NTSTATUS IVRCompositor_IVRCompositor_019_GetVulkanDeviceExtensionsRequired( void *args )
+{
+    struct IVRCompositor_IVRCompositor_019_GetVulkanDeviceExtensionsRequired_params *params = (struct IVRCompositor_IVRCompositor_019_GetVulkanDeviceExtensionsRequired_params *)args;
+    struct u_IVRCompositor_IVRCompositor_019 *iface = (struct u_IVRCompositor_IVRCompositor_019 *)params->linux_side;
+    return get_vulkan_device_extensions_required( params, iface );
+}
+
 NTSTATUS IVRCompositor_IVRCompositor_020_GetVulkanDeviceExtensionsRequired( void *args )
 {
     struct IVRCompositor_IVRCompositor_020_GetVulkanDeviceExtensionsRequired_params *params = (struct IVRCompositor_IVRCompositor_020_GetVulkanDeviceExtensionsRequired_params *)args;
     struct u_IVRCompositor_IVRCompositor_020 *iface = (struct u_IVRCompositor_IVRCompositor_020 *)params->linux_side;
-    VkPhysicalDevice_T *host_device = p_get_native_VkPhysicalDevice( params->pPhysicalDevice );
-    params->_ret = (uint32_t)iface->GetVulkanDeviceExtensionsRequired( host_device, params->pchValue, params->unBufferSize );
-    return 0;
+    return get_vulkan_device_extensions_required( params, iface );
 }
 
 NTSTATUS IVRCompositor_IVRCompositor_021_GetVulkanDeviceExtensionsRequired( void *args )
 {
     struct IVRCompositor_IVRCompositor_021_GetVulkanDeviceExtensionsRequired_params *params = (struct IVRCompositor_IVRCompositor_021_GetVulkanDeviceExtensionsRequired_params *)args;
     struct u_IVRCompositor_IVRCompositor_021 *iface = (struct u_IVRCompositor_IVRCompositor_021 *)params->linux_side;
-    VkPhysicalDevice_T *host_device = p_get_native_VkPhysicalDevice( params->pPhysicalDevice );
-    params->_ret = (uint32_t)iface->GetVulkanDeviceExtensionsRequired( host_device, params->pchValue, params->unBufferSize );
-    return 0;
+    return get_vulkan_device_extensions_required( params, iface );
 }
 
 NTSTATUS IVRCompositor_IVRCompositor_022_GetVulkanDeviceExtensionsRequired( void *args )
 {
     struct IVRCompositor_IVRCompositor_022_GetVulkanDeviceExtensionsRequired_params *params = (struct IVRCompositor_IVRCompositor_022_GetVulkanDeviceExtensionsRequired_params *)args;
     struct u_IVRCompositor_IVRCompositor_022 *iface = (struct u_IVRCompositor_IVRCompositor_022 *)params->linux_side;
-    VkPhysicalDevice_T *host_device = p_get_native_VkPhysicalDevice( params->pPhysicalDevice );
-    params->_ret = (uint32_t)iface->GetVulkanDeviceExtensionsRequired( host_device, params->pchValue, params->unBufferSize );
-    return 0;
+    return get_vulkan_device_extensions_required( params, iface );
 }
 
 NTSTATUS IVRCompositor_IVRCompositor_024_GetVulkanDeviceExtensionsRequired( void *args )
 {
     struct IVRCompositor_IVRCompositor_024_GetVulkanDeviceExtensionsRequired_params *params = (struct IVRCompositor_IVRCompositor_024_GetVulkanDeviceExtensionsRequired_params *)args;
     struct u_IVRCompositor_IVRCompositor_024 *iface = (struct u_IVRCompositor_IVRCompositor_024 *)params->linux_side;
-    VkPhysicalDevice_T *host_device = p_get_native_VkPhysicalDevice( params->pPhysicalDevice );
-    params->_ret = (uint32_t)iface->GetVulkanDeviceExtensionsRequired( host_device, params->pchValue, params->unBufferSize );
-    return 0;
+    return get_vulkan_device_extensions_required( params, iface );
 }
 
 NTSTATUS IVRCompositor_IVRCompositor_026_GetVulkanDeviceExtensionsRequired( void *args )
 {
     struct IVRCompositor_IVRCompositor_026_GetVulkanDeviceExtensionsRequired_params *params = (struct IVRCompositor_IVRCompositor_026_GetVulkanDeviceExtensionsRequired_params *)args;
     struct u_IVRCompositor_IVRCompositor_026 *iface = (struct u_IVRCompositor_IVRCompositor_026 *)params->linux_side;
-    VkPhysicalDevice_T *host_device = p_get_native_VkPhysicalDevice( params->pPhysicalDevice );
-    params->_ret = (uint32_t)iface->GetVulkanDeviceExtensionsRequired( host_device, params->pchValue, params->unBufferSize );
-    return 0;
+    return get_vulkan_device_extensions_required( params, iface );
 }
 
 NTSTATUS IVRCompositor_IVRCompositor_027_GetVulkanDeviceExtensionsRequired( void *args )
 {
     struct IVRCompositor_IVRCompositor_027_GetVulkanDeviceExtensionsRequired_params *params = (struct IVRCompositor_IVRCompositor_027_GetVulkanDeviceExtensionsRequired_params *)args;
     struct u_IVRCompositor_IVRCompositor_027 *iface = (struct u_IVRCompositor_IVRCompositor_027 *)params->linux_side;
-    VkPhysicalDevice_T *host_device = p_get_native_VkPhysicalDevice( params->pPhysicalDevice );
-    params->_ret = (uint32_t)iface->GetVulkanDeviceExtensionsRequired( host_device, params->pchValue, params->unBufferSize );
-    return 0;
+    return get_vulkan_device_extensions_required( params, iface );
 }
 
 NTSTATUS IVRCompositor_IVRCompositor_028_GetVulkanDeviceExtensionsRequired( void *args )
 {
     struct IVRCompositor_IVRCompositor_028_GetVulkanDeviceExtensionsRequired_params *params = (struct IVRCompositor_IVRCompositor_028_GetVulkanDeviceExtensionsRequired_params *)args;
     struct u_IVRCompositor_IVRCompositor_028 *iface = (struct u_IVRCompositor_IVRCompositor_028 *)params->linux_side;
-    VkPhysicalDevice_T *host_device = p_get_native_VkPhysicalDevice( params->pPhysicalDevice );
-    params->_ret = (uint32_t)iface->GetVulkanDeviceExtensionsRequired( host_device, params->pchValue, params->unBufferSize );
-    return 0;
+    return get_vulkan_device_extensions_required( params, iface );
 }
 
 NTSTATUS IVRCompositor_IVRCompositor_009_SetSkyboxOverride( void *args )