dummy_vertex_buffer.hh

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

 
#pragma once
 
#include "BLI_sys_types.h"
 
#include "GPU_vertex_buffer.hh"
 
namespace blender::gpu {
 
class DummyVertexBuffer : public VertBuf {
 
 public:
  void bind_as_ssbo(uint /*binding*/) override {}
  void bind_as_texture(uint /*binding*/) override {}
  void wrap_handle(uint64_t /*handle*/) override {}
 
  void update_sub(uint /*start*/, uint /*len*/, const void * /*data*/) override {}
  void read(void * /*data*/) const override {}
 
 protected:
  void acquire_data() override
  {
    MEM_SAFE_FREE(data_);
    data_ = MEM_malloc_arrayN<uchar>(this->size_alloc_get(), __func__);
  }
  void resize_data() override {}
  void release_data() override
  {
    MEM_SAFE_FREE(data_);
  }
  void upload_data() override {}
};
 
}  // namespace blender::gpu