#ifndef _DEMOS_VKUTIL_H_
#define _DEMOS_VKUTIL_H_

static inline const char* VkResultToString(VkResult result)
{
	// ref: https://docs.vulkan.org/refpages/latest/refpages/source/VkResult.html
	switch (result) {
#define X(_E) case _E: return #_E;
		X(VK_SUCCESS);
		X(VK_NOT_READY);
		X(VK_TIMEOUT);
		X(VK_EVENT_SET);
		X(VK_EVENT_RESET);
		X(VK_INCOMPLETE);
		X(VK_ERROR_OUT_OF_HOST_MEMORY);
		X(VK_ERROR_OUT_OF_DEVICE_MEMORY);
		X(VK_ERROR_INITIALIZATION_FAILED);
		X(VK_ERROR_DEVICE_LOST);
		X(VK_ERROR_MEMORY_MAP_FAILED);
		X(VK_ERROR_LAYER_NOT_PRESENT);
		X(VK_ERROR_EXTENSION_NOT_PRESENT);
		X(VK_ERROR_FEATURE_NOT_PRESENT);
		X(VK_ERROR_INCOMPATIBLE_DRIVER);
		X(VK_ERROR_TOO_MANY_OBJECTS);
		X(VK_ERROR_FORMAT_NOT_SUPPORTED);
		X(VK_ERROR_FRAGMENTED_POOL);
		X(VK_ERROR_UNKNOWN);
		X(VK_ERROR_VALIDATION_FAILED);
		X(VK_ERROR_OUT_OF_POOL_MEMORY);
		X(VK_ERROR_INVALID_EXTERNAL_HANDLE);
		X(VK_ERROR_INVALID_OPAQUE_CAPTURE_ADDRESS);
		X(VK_ERROR_FRAGMENTATION);
		X(VK_PIPELINE_COMPILE_REQUIRED);
		X(VK_ERROR_NOT_PERMITTED);
		X(VK_ERROR_SURFACE_LOST_KHR);
		X(VK_ERROR_NATIVE_WINDOW_IN_USE_KHR);
		X(VK_SUBOPTIMAL_KHR);
		X(VK_ERROR_OUT_OF_DATE_KHR);
#undef X
		default: {
			static char buf[64]; // @@ should be thread-local
			snprintf(buf, sizeof(buf), "VkResult(%d)", result);
			return buf;
		} break;
	}
}

#endif // _DEMOS_VKUTIL_H_