1 files changed, 44 insertions, 0 deletions

diff --git a/common/c_cpp/vkutil.h b/common/c_cpp/vkutil.h
index 89c7940..2530831 100644
--- a/common/c_cpp/vkutil.h
+++ b/common/c_cpp/vkutil.h
@@ -1,5 +1,49 @@
 #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_