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 #ifndef VK_FORMAT_INFO_H
  25 #define VK_FORMAT_INFO_H
  26
  27 #include <stdbool.h>
  28 #include <vulkan/vulkan.h>
  29
  30 static inline VkImageAspectFlags
  31 vk_format_aspects(VkFormat format)
  32 {
  33    switch (format) {
  34    case VK_FORMAT_UNDEFINED:
  35       return 0;
  36
  37    case VK_FORMAT_S8_UINT:
  38       return VK_IMAGE_ASPECT_STENCIL_BIT;
  39
  40    case VK_FORMAT_D16_UNORM_S8_UINT:
  41    case VK_FORMAT_D24_UNORM_S8_UINT:
  42    case VK_FORMAT_D32_SFLOAT_S8_UINT:
  43       return VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT;
  44
  45    case VK_FORMAT_D16_UNORM:
  46    case VK_FORMAT_X8_D24_UNORM_PACK32:
  47    case VK_FORMAT_D32_SFLOAT:
  48       return VK_IMAGE_ASPECT_DEPTH_BIT;
  49
  50    default:
  51       return VK_IMAGE_ASPECT_COLOR_BIT;
  52    }
  53 }
  54
  55 static inline bool
  56 vk_format_is_color(VkFormat format)
  57 {
  58    return vk_format_aspects(format) == VK_IMAGE_ASPECT_COLOR_BIT;
  59 }
  60
  61 static inline bool
  62 vk_format_is_depth_or_stencil(VkFormat format)
  63 {
  64    const VkImageAspectFlags aspects = vk_format_aspects(format);
  65    return aspects & (VK_IMAGE_ASPECT_DEPTH_BIT | VK_IMAGE_ASPECT_STENCIL_BIT);
  66 }
  67
  68 #endif /* VK_FORMAT_INFO_H */