external_engine.h

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/* SPDX-FileCopyrightText: 2017 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include "DRW_render.hh"
 
struct RenderEngineType;
 
extern RenderEngineType DRW_engine_viewport_external_type;
 
/* Check whether an external engine is to be used to draw content of an image editor.
 * If the drawing is possible, the render engine is "acquired" so that it is not freed by the
 * render engine for until drawing is finished.
 *
 * NOTE: Released by the draw engine when it is done drawing. */
bool DRW_engine_external_acquire_for_image_editor(const DRWContext *draw_ctx);
 
namespace blender::draw::external {
 
struct Engine : public DrawEngine::Pointer {
  DrawEngine *create_instance() final;
};
 
}  // namespace blender::draw::external