src/video/sdl_v.h

   1 /*
   2  * This file is part of OpenTTD.
   3  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
   4  * OpenTTD 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.
   5  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
   6  */
   7
   8 /** @file sdl_v.h Base of the SDL video driver. */
   9
  10 #ifndef VIDEO_SDL_H
  11 #define VIDEO_SDL_H
  12
  13 #include "video_driver.hpp"
  14
  15 /** The SDL video driver. */
  16 class VideoDriver_SDL : public VideoDriver {
  17 public:
  18         const char *Start(const StringList &param) override;
  19
  20         void Stop() override;
  21
  22         void MakeDirty(int left, int top, int width, int height) override;
  23
  24         void MainLoop() override;
  25
  26         bool ChangeResolution(int w, int h) override;
  27
  28         bool ToggleFullscreen(bool fullscreen) override;
  29
  30         bool AfterBlitterChange() override;
  31
  32         void AcquireBlitterLock() override;
  33
  34         void ReleaseBlitterLock() override;
  35
  36         bool ClaimMousePointer() override;
  37
  38         const char *GetName() const override { return "sdl"; }
  39
  40 protected:
  41         void InputLoop() override;
  42         bool LockVideoBuffer() override;
  43         void UnlockVideoBuffer() override;
  44         void Paint() override;
  45         void PaintThread() override;
  46
  47 private:
  48         std::unique_lock<std::recursive_mutex> draw_lock;
  49
  50         int PollEvent();
  51         bool CreateMainSurface(uint w, uint h);
  52         void SetupKeyboard();
  53
  54         static void PaintThreadThunk(VideoDriver_SDL *drv);
  55 };
  56
  57 /** Factory for the SDL video driver. */
  58 class FVideoDriver_SDL : public DriverFactoryBase {
  59 public:
  60         FVideoDriver_SDL() : DriverFactoryBase(Driver::DT_VIDEO, 5, "sdl", "SDL Video Driver") {}
  61         Driver *CreateInstance() const override { return new VideoDriver_SDL(); }
  62 };
  63
  64 #endif /* VIDEO_SDL_H */