vk_index_buffer.hh

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/* SPDX-FileCopyrightText: 2022 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#pragma once
 
#include "GPU_index_buffer.hh"
 
#include "vk_buffer.hh"
 
namespace blender::gpu {
 
class VKIndexBuffer : public IndexBuf {
  VKBuffer buffer_;
  bool data_uploaded_ = false;
 
 public:
  void upload_data() override;
 
  void bind_as_ssbo(uint binding) override;
 
  void read(uint32_t *data) const override;
 
  void update_sub(uint start, uint len, const void *data) override;
 
  VkBuffer vk_handle() const
  {
    return buffer_get().vk_handle();
  }
  inline VkDeviceAddress device_address_get() const
  {
    return buffer_get().device_address_get();
  }
  VkIndexType vk_index_type() const
  {
    return to_vk_index_type(index_type_);
  }
 
  void ensure_updated();
 
 private:
  void strip_restart_indices() override;
  void allocate();
  VKBuffer &buffer_get();
  const VKBuffer &buffer_get() const;
};
 
static inline VKIndexBuffer *unwrap(IndexBuf *index_buffer)
{
  return static_cast<VKIndexBuffer *>(index_buffer);
}
 
}  // namespace blender::gpu