aux/vk: Add vk_check_error macro.

src/xrt/auxiliary/vk/vk_helpers.c

@@ -115,6 +115,16 @@ vk_color_space_string(VkColorSpaceKHR code)
 	}
 }
 
+bool
+vk_has_error(VkResult res, const char *fun, const char *file, int line)
+{
+	if (res != VK_SUCCESS) {
+		fprintf(stderr, "ERROR: %s failed with %s in %s:%d\n", fun,
+		        vk_result_string(res), file, line);
+		return true;
+	}
+	return false;
+}
 
 /*
  *

src/xrt/auxiliary/vk/vk_helpers.h

@@ -224,6 +224,13 @@ vk_color_space_string(VkColorSpaceKHR code);
 		fprintf(stderr, "\n");                                         \
 	} while (false)
 
+bool
+vk_has_error(VkResult res, const char *fun, const char *file, int line);
+
+#define vk_check_error(fun, res, ret)                                          \
+	if (vk_has_error(res, fun, __FILE__, __LINE__))                        \
+	return ret
+
 /*!
  * @ingroup aux_vk
  */