sdl3-src 3.4.4

Source code of the SDL 3 library
Documentation 
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/*
  Simple DirectMedia Layer
  Copyright (C) 1997-2026 Sam Lantinga <slouken@libsdl.org>

  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
  arising from the use of this software.

  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute it
  freely, subject to the following restrictions:

  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. If you use this software
     in a product, an acknowledgment in the product documentation would be
     appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.
*/
#include "SDL_internal.h"

#ifndef SDL_x11modes_h_
#define SDL_x11modes_h_

#include "SDL_x11settings.h"

struct SDL_DisplayData
{
    int screen;
    Visual *visual;
    int depth;
    int scanline_pad;
    int x;
    int y;

    Uint64 mode_switch_deadline_ns;

    bool use_xrandr;

#ifdef SDL_VIDEO_DRIVER_X11_XRANDR
    RROutput xrandr_output;
    char connector_name[16];
#endif
};

struct SDL_DisplayModeData
{
#ifdef SDL_VIDEO_DRIVER_X11_XRANDR
    RRMode xrandr_mode;
#else
    int unused; // just so struct isn't empty.
#endif
};

extern bool X11_InitModes(SDL_VideoDevice *_this);
extern bool X11_GetDisplayModes(SDL_VideoDevice *_this, SDL_VideoDisplay *display);
extern bool X11_SetDisplayMode(SDL_VideoDevice *_this, SDL_VideoDisplay *display, SDL_DisplayMode *mode);
extern void X11_QuitModes(SDL_VideoDevice *_this);

// Some utility functions for working with visuals
extern bool X11_GetVisualInfoFromVisual(Display *display, Visual *visual, XVisualInfo *vinfo);
extern SDL_PixelFormat X11_GetPixelFormatFromVisualInfo(Display *display, XVisualInfo *vinfo);
extern bool X11_GetDisplayBounds(SDL_VideoDevice *_this, SDL_VideoDisplay *sdl_display, SDL_Rect *rect);
extern bool X11_GetDisplayUsableBounds(SDL_VideoDevice *_this, SDL_VideoDisplay *sdl_display, SDL_Rect *rect);

extern float X11_GetGlobalContentScale(Display *display, XSettingsClient *client);
extern float X11_GetGlobalContentScaleForDevice(SDL_VideoDevice *_this);

#ifdef SDL_VIDEO_DRIVER_X11_XRANDR
extern void X11_HandleXRandREvent(SDL_VideoDevice *_this, const XEvent *xevent);
#endif

#endif // SDL_x11modes_h_