--- /dev/null
+/*
+ * Copyright © 2016 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#pragma once
+
+#include <stdbool.h>
+#include <vulkan/vulkan.h>
+
+static inline VkImageAspectFlags
+vk_format_aspects(VkFormat format)
+{
+ switch (format) {
+ case VK_FORMAT_UNDEFINED:
+ return 0;
+
+ case VK_FORMAT_S8_UINT:
+ return VK_IMAGE_ASPECT_STENCIL_BIT;
+
+ case VK_FORMAT_D16_UNORM_S8_UINT:
+ case VK_FORMAT_D24_UNORM_S8_UINT:
+ case VK_FORMAT_D32_SFLOAT_S8_UINT:
+ return VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
+
+ case VK_FORMAT_D16_UNORM:
+ case VK_FORMAT_X8_D24_UNORM_PACK32:
+ case VK_FORMAT_D32_SFLOAT:
+ return VK_IMAGE_ASPECT_DEPTH_BIT;
+
+ default:
+ return VK_IMAGE_ASPECT_COLOR_BIT;
+ }
+}
+
+static inline bool
+vk_format_is_color(VkFormat format)
+{
+ return vk_format_aspects(format) == VK_IMAGE_ASPECT_COLOR_BIT;
+}
+
+static inline bool
+vk_format_is_depth_or_stencil(VkFormat format)
+{
+ const VkImageAspectFlags aspects = vk_format_aspects(format);
+ return aspects & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT);
+}