Mercurial > hg > orthanc-stone
view Applications/Resources/Graveyard/Threading/SdlBuffering.h @ 1676:5e76d5e8167a
limit the amount of frames to be prefetched
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 23 Nov 2020 18:49:42 +0100 |
parents | 4fb8fdf03314 |
children | 9ac2a65d4172 |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2020 Osimis S.A., Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #pragma once #if ORTHANC_ENABLE_SDL == 1 #include "SdlWindow.h" #include "../../Framework/Viewport/CairoSurface.h" #include "../../Framework/Viewport/IViewport.h" #include <boost/thread/mutex.hpp> namespace OrthancStone { class SdlBuffering : public boost::noncopyable { private: boost::mutex mutex_; std::unique_ptr<CairoSurface> offscreenSurface_; std::unique_ptr<CairoSurface> onscreenSurface_; SDL_Surface* sdlSurface_; bool pendingFrame_; public: SdlBuffering(); ~SdlBuffering(); void SetSize(unsigned int width, unsigned int height, IViewport& viewport); // Returns "true" if a new refresh of the display should be // triggered afterwards bool RenderOffscreen(IViewport& viewport); void SwapToScreen(SdlWindow& window); }; } #endif