external: updated Vulkan headers to latest.

Needed the new VkDriverId entry.

src/MagnumExternal/Vulkan/flextVk.h

@@ -236,7 +236,7 @@ extern "C" {
 
 /* VK_EXT_validation_features */
 
-#define VK_EXT_VALIDATION_FEATURES_SPEC_VERSION 3
+#define VK_EXT_VALIDATION_FEATURES_SPEC_VERSION 4
 #define VK_EXT_VALIDATION_FEATURES_EXTENSION_NAME "VK_EXT_validation_features"
 
 /* VK_EXT_texture_compression_astc_hdr */
@@ -268,7 +268,7 @@ extern "C" {
 // Vulkan 1.2 version number
 #define VK_API_VERSION_1_2 VK_MAKE_VERSION(1, 2, 0)// Patch version should always be set to 0
 // Version of this file
-#define VK_HEADER_VERSION 146
+#define VK_HEADER_VERSION 152
 // Complete version of this file
 #define VK_HEADER_VERSION_COMPLETE VK_MAKE_VERSION(1, 2, VK_HEADER_VERSION)
 #define VK_DEFINE_HANDLE(object) typedef struct object##_T* object;
@@ -1667,7 +1667,8 @@ typedef enum {
     VK_VALIDATION_FEATURE_ENABLE_GPU_ASSISTED_EXT = 0,
     VK_VALIDATION_FEATURE_ENABLE_GPU_ASSISTED_RESERVE_BINDING_SLOT_EXT = 1,
     VK_VALIDATION_FEATURE_ENABLE_BEST_PRACTICES_EXT = 2,
-    VK_VALIDATION_FEATURE_ENABLE_DEBUG_PRINTF_EXT = 3
+    VK_VALIDATION_FEATURE_ENABLE_DEBUG_PRINTF_EXT = 3,
+    VK_VALIDATION_FEATURE_ENABLE_SYNCHRONIZATION_VALIDATION_EXT = 4
 } VkValidationFeatureEnableEXT;
 
 typedef enum {
@@ -1711,6 +1712,7 @@ typedef enum {
     VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_WIN32_BIT = 1 << 1,
     VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_WIN32_KMT_BIT = 1 << 2,
     VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_D3D12_FENCE_BIT = 1 << 3,
+    VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_D3D11_FENCE_BIT = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_D3D12_FENCE_BIT,
     VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_SYNC_FD_BIT = 1 << 4,
     VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT_KHR = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_FD_BIT,
     VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_WIN32_BIT_KHR = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_OPAQUE_WIN32_BIT,
@@ -1855,7 +1857,8 @@ typedef enum {
     VK_DRIVER_ID_GOOGLE_SWIFTSHADER = 10,
     VK_DRIVER_ID_GGP_PROPRIETARY = 11,
     VK_DRIVER_ID_BROADCOM_PROPRIETARY = 12,
-    VK_DRIVER_ID_MESA_LLVMPIPE = 13
+    VK_DRIVER_ID_MESA_LLVMPIPE = 13,
+    VK_DRIVER_ID_MOLTENVK = 14
 } VkDriverId;
 typedef void (VKAPI_PTR *PFN_vkInternalAllocationNotification)(
     void*                                       pUserData,