Enumerate device extensions on CreateDevice for debug logging

* Also works around a temporary loader bug

renderdoc/driver/vulkan/vk_dispatchtables.cpp

@@ -68,6 +68,9 @@ void InitInstanceReplayTables(VkInstance instance)
 	RDCASSERT(table);
 
 	// we know we'll only have one instance, so this is safe
+
+	InstanceGPA(EnumerateDeviceExtensionProperties)
+	InstanceGPA(EnumerateDeviceLayerProperties)
 	
 	InstanceGPA(GetPhysicalDeviceSurfaceCapabilitiesKHR)
 	InstanceGPA(GetPhysicalDeviceSurfaceFormatsKHR)

renderdoc/driver/vulkan/wrappers/vk_device_funcs.cpp

@@ -559,6 +559,21 @@ bool WrappedVulkan::Serialise_vkCreateDevice(
 		else
 			RDCWARN("vertexPipelineStoresAndAtomics = false, output mesh data will not be available");
 
+		uint32_t numExts = 0;
+
+		VkResult vkr = ObjDisp(physicalDevice)->EnumerateDeviceExtensionProperties(Unwrap(physicalDevice), NULL, &numExts, NULL);
+		RDCASSERT(vkr == VK_SUCCESS);
+
+		VkExtensionProperties *exts = new VkExtensionProperties[numExts];
+
+		vkr = ObjDisp(physicalDevice)->EnumerateDeviceExtensionProperties(Unwrap(physicalDevice), NULL, &numExts, exts);
+		RDCASSERT(vkr == VK_SUCCESS);
+
+		for(uint32_t i=0; i < numExts; i++)
+			RDCLOG("Ext %u: %s (%u)", i, exts[i].extensionName, exts[i].specVersion);
+
+		SAFE_DELETE_ARRAY(exts);
+
 		// PORTABILITY check that extensions and layers supported in capture (from createInfo) are supported in replay
 
 		VkResult ret = GetDeviceDispatchTable(NULL)->CreateDevice(Unwrap(physicalDevice), &createInfo, NULL, &device);
@@ -575,8 +590,6 @@ bool WrappedVulkan::Serialise_vkCreateDevice(
 
 		m_QueueFamilyIdx = qFamilyIdx;
 
-		VkResult vkr = VK_SUCCESS;
-
 		if(m_InternalCmds.cmdpool == VK_NULL_HANDLE)
 		{
 			VkCommandPoolCreateInfo poolInfo = { VK_STRUCTURE_TYPE_COMMAND_POOL_CREATE_INFO, NULL, VK_COMMAND_POOL_CREATE_RESET_COMMAND_BUFFER_BIT, qFamilyIdx };