gpu_storage_buffer_private.hh

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/* SPDX-FileCopyrightText: 2022 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include "BLI_sys_types.h"
 
namespace blender::gpu {
 
class StorageBuf;
class VertBuf;
 
#ifndef NDEBUG
#  define DEBUG_NAME_LEN 64
#else
#  define DEBUG_NAME_LEN 8
#endif

class StorageBuf {
 protected:
  size_t size_in_bytes_ = -1;
  size_t usage_size_in_bytes_ = -1;
  void *data_ = nullptr;
  char name_[DEBUG_NAME_LEN] = {};
 
 public:
  StorageBuf(size_t size, const char *name);
  virtual ~StorageBuf();
  void usage_size_set(size_t size);
  size_t usage_size_get() const
  {
    return usage_size_in_bytes_;
  }
  virtual void update(const void *data) = 0;
  virtual void bind(int slot) = 0;
  virtual void unbind() = 0;
  virtual void clear(uint32_t clear_value) = 0;
  virtual void copy_sub(VertBuf *src, uint dst_offset, uint src_offset, uint copy_size) = 0;
  virtual void read(void *data) = 0;
  virtual void async_flush_to_host() = 0;
  virtual void sync_as_indirect_buffer() = 0;
};
 
#undef DEBUG_NAME_LEN
 
}  // namespace blender::gpu