IABSD.fr/xenocara/lib/mesa/src/vulkan/runtime/vk_sampler.h

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• Author : jsg
  Date : 2025-06-05 11:23:11
  Hash : 67d6f117
  Message : Import Mesa 25.0.7

• lib/mesa/src/vulkan/runtime/vk_sampler.h

• /*
   * Copyright © 2022 Collabora, LTD
   *
   * 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.
   */
  #ifndef VK_SAMPLER_H
  #define VK_SAMPLER_H
  
  #include "vk_object.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  static inline bool
  vk_border_color_is_custom(VkBorderColor color)
  {
     return color == VK_BORDER_COLOR_FLOAT_CUSTOM_EXT ||
            color == VK_BORDER_COLOR_INT_CUSTOM_EXT;
  }
  
  VkClearColorValue vk_border_color_value(VkBorderColor color);
  bool vk_border_color_is_int(VkBorderColor color);
  
  VkClearColorValue
  vk_sampler_border_color_value(const VkSamplerCreateInfo *pCreateInfo,
                                VkFormat *format_out);
  
  struct vk_sampler {
     struct vk_object_base base;
  
     /** Format of paired image views or VK_FORMAT_UNDEFINED
      *
      * This is taken either from VkSamplerYcbcrConversionCreateInfo::format or
      * VkSamplerCustomBorderColorCreateInfoEXT::format.
      */
     VkFormat format;
  
     /** VkSamplerCreateInfo::borderColor */
     VkBorderColor border_color;
  
     /** Border color value
      *
      * If VkSamplerCreateInfo::borderColor is one of the Vulkan 1.0 enumerated
      * border colors, this will be the VkClearColorValue representation of that
      * value. VkSamplerCreateInfo::borderColor is VK_BORDER_COLOR_*_CUSTOM_EXT,
      * this is VkSamplerCustomBorderColorCreateInfoEXT::customBorderColor.
      */
     VkClearColorValue border_color_value;
  
     /**
      * VkSamplerReductionModeCreateInfo::reductionMode or
      * VK_SAMPLER_REDUCTION_MODE_WEIGHTED_AVERAGE.
      */
     VkSamplerReductionMode reduction_mode;
  
     /** VkSamplerYcbcrConversionInfo::conversion or NULL
      *
      * We ensure that this is always NULL whenever vk_sampler::format is not a
      * YCbCr format.  This is important on Android where YCbCr conversion
      * objects are required for all EXTERNAL formats, even if they are not
      * YCbCr formats.
      */
     struct vk_ycbcr_conversion *ycbcr_conversion;
  };
  VK_DEFINE_NONDISP_HANDLE_CASTS(vk_sampler, base, VkSampler,
                                 VK_OBJECT_TYPE_SAMPLER);
  
  void *vk_sampler_create(struct vk_device *device,
                          const VkSamplerCreateInfo *pCreateInfo,
                          const VkAllocationCallbacks *alloc,
                          size_t size);
  void vk_sampler_destroy(struct vk_device *device,
                          const VkAllocationCallbacks *alloc,
                          struct vk_sampler *sampler);
  
  void
  vk_sampler_init(const VkSamplerCreateInfo *pCreateInfo, struct vk_sampler *sampler);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* VK_SAMPLER_H */