vk_image_view.hh

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include "vk_common.hh"
 
#include "BLI_string_ref.hh"
#include "BLI_utility_mixins.hh"
 
namespace blender::gpu {
class VKTexture;
 
struct VKImageViewInfo {
  eImageViewUsage usage;
  IndexRange layer_range;
  IndexRange mip_range;
  union {
    char swizzle[4];
    uint32_t swizzle_data;
  };
  bool use_stencil;
  bool use_srgb;
  VKImageViewArrayed arrayed;
 
  bool operator==(const VKImageViewInfo &other) const
  {
    return usage == other.usage && layer_range == other.layer_range &&
           mip_range == other.mip_range && swizzle_data == other.swizzle_data &&
           use_stencil == other.use_stencil && use_srgb == other.use_srgb &&
           arrayed == other.arrayed;
  }
};
 
class VKImageView : NonCopyable {
  VkImageView vk_image_view_ = VK_NULL_HANDLE;
  VkFormat vk_format_ = VK_FORMAT_UNDEFINED;
 
 public:
  const VKImageViewInfo info;
 
  VKImageView(VKTexture &texture, const VKImageViewInfo &info, StringRefNull name);
 
  VKImageView(VKImageView &&other);
  ~VKImageView();
 
  VkImageView vk_handle() const
  {
    BLI_assert(vk_image_view_ != VK_NULL_HANDLE);
    return vk_image_view_;
  }
 
  VkFormat vk_format() const
  {
    return vk_format_;
  }
};
 
}  // namespace blender::gpu