src/intel/vulkan/vk_format_info.h

   1 /*
   2  * Copyright © 2016 Intel Corporation
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
  21  * IN THE SOFTWARE.
  22  */
  23
  24 #pragma once
  25
  26 #include <stdbool.h>
  27 #include <vulkan/vulkan.h>
  28
  29 static inline VkImageAspectFlags
  30 vk_format_aspects(VkFormat format)
  31 {
  32    switch (format) {
  33    case VK_FORMAT_UNDEFINED:
  34       return 0;
  35
  36    case VK_FORMAT_S8_UINT:
  37       return VK_IMAGE_ASPECT_STENCIL_BIT;
  38
  39    case VK_FORMAT_D16_UNORM_S8_UINT:
  40    case VK_FORMAT_D24_UNORM_S8_UINT:
  41    case VK_FORMAT_D32_SFLOAT_S8_UINT:
  42       return VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
  43
  44    case VK_FORMAT_D16_UNORM:
  45    case VK_FORMAT_X8_D24_UNORM_PACK32:
  46    case VK_FORMAT_D32_SFLOAT:
  47       return VK_IMAGE_ASPECT_DEPTH_BIT;
  48
  49    default:
  50       return VK_IMAGE_ASPECT_COLOR_BIT;
  51    }
  52 }
  53
  54 static inline bool
  55 vk_format_is_color(VkFormat format)
  56 {
  57    return vk_format_aspects(format) == VK_IMAGE_ASPECT_COLOR_BIT;
  58 }
  59
  60 static inline bool
  61 vk_format_is_depth_or_stencil(VkFormat format)
  62 {
  63    const VkImageAspectFlags aspects = vk_format_aspects(format);
  64    return aspects & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT);
  65 }