src/video/x11/SDL_x11modes.h
author Sam Lantinga <slouken@libsdl.org>
Sun, 26 Jan 2020 12:48:35 -0800
changeset 13449 8d2d9a00fc02
parent 13422 fd6a12de91c7
permissions -rw-r--r--
Fixed bug 4898 - No rumble because of integer overflow in SDL_JoystickRumble

meyraud705

Switch hidapi and xinput also need to check for overflow, attached a patch for them.
     1 /*
     2   Simple DirectMedia Layer
     3   Copyright (C) 1997-2020 Sam Lantinga <slouken@libsdl.org>
     4 
     5   This software is provided 'as-is', without any express or implied
     6   warranty.  In no event will the authors be held liable for any damages
     7   arising from the use of this software.
     8 
     9   Permission is granted to anyone to use this software for any purpose,
    10   including commercial applications, and to alter it and redistribute it
    11   freely, subject to the following restrictions:
    12 
    13   1. The origin of this software must not be misrepresented; you must not
    14      claim that you wrote the original software. If you use this software
    15      in a product, an acknowledgment in the product documentation would be
    16      appreciated but is not required.
    17   2. Altered source versions must be plainly marked as such, and must not be
    18      misrepresented as being the original software.
    19   3. This notice may not be removed or altered from any source distribution.
    20 */
    21 #include "../../SDL_internal.h"
    22 
    23 #ifndef SDL_x11modes_h_
    24 #define SDL_x11modes_h_
    25 
    26 typedef struct
    27 {
    28     int screen;
    29     Visual *visual;
    30     int depth;
    31     int scanline_pad;
    32     int x;
    33     int y;
    34     float ddpi;
    35     float hdpi;
    36     float vdpi;
    37 
    38     int use_xinerama;
    39     int use_xrandr;
    40     int use_vidmode;
    41 
    42 #if SDL_VIDEO_DRIVER_X11_XINERAMA
    43     XineramaScreenInfo xinerama_info;
    44     int xinerama_screen;
    45 #endif
    46 
    47 #if SDL_VIDEO_DRIVER_X11_XRANDR
    48     RROutput xrandr_output;
    49 #endif
    50 
    51 #if SDL_VIDEO_DRIVER_X11_XVIDMODE
    52     int vidmode_screen;
    53 #endif
    54 
    55 } SDL_DisplayData;
    56 
    57 typedef struct
    58 {
    59 #if SDL_VIDEO_DRIVER_X11_XRANDR
    60     RRMode xrandr_mode;
    61 #endif
    62 
    63 #if SDL_VIDEO_DRIVER_X11_XVIDMODE
    64     XF86VidModeModeInfo vm_mode;
    65 #endif
    66 
    67 } SDL_DisplayModeData;
    68 
    69 extern int X11_InitModes(_THIS);
    70 extern void X11_GetDisplayModes(_THIS, SDL_VideoDisplay * display);
    71 extern int X11_SetDisplayMode(_THIS, SDL_VideoDisplay * display, SDL_DisplayMode * mode);
    72 extern void X11_QuitModes(_THIS);
    73 
    74 /* Some utility functions for working with visuals */
    75 extern int X11_GetVisualInfoFromVisual(Display * display, Visual * visual,
    76                                        XVisualInfo * vinfo);
    77 extern Uint32 X11_GetPixelFormatFromVisualInfo(Display * display,
    78                                                XVisualInfo * vinfo);
    79 extern int X11_GetDisplayBounds(_THIS, SDL_VideoDisplay * sdl_display, SDL_Rect * rect);
    80 extern int X11_GetDisplayUsableBounds(_THIS, SDL_VideoDisplay * sdl_display, SDL_Rect * rect);
    81 extern int X11_GetDisplayDPI(_THIS, SDL_VideoDisplay * sdl_display, float * ddpi, float * hdpi, float * vdpi);
    82 
    83 #endif /* SDL_x11modes_h_ */
    84 
    85 /* vi: set ts=4 sw=4 expandtab: */