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James Russell
2026-04-03 00:22:39 -05:00
commit eca1e8c458
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libsst-wm/Xlib/SST_WMVideoMode_Xlib.c Normal file
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/*
SST_WMVideoMode_Xlib.c
Author: Patrick Baggett <ptbaggett@762studios.com>
Created: 1/8/2013
Purpose:
Video mode setting functions (Xlib)
License:
This program is free software. It comes without any warranty, to
the extent permitted by applicable law. You can redistribute it
and/or modify it under the terms of the Do What The Fuck You Want
To Public License, Version 2, as published by Sam Hocevar. See
http://sam.zoy.org/wtfpl/COPYING for more details.
*/
#include "XlibPrivate.h"
#include "APIPrivate.h"
/*
Right now, these are essentially no-ops. Later, some real mechanism needs to be used:
1) [Preferred] XRandR extension
2) XF86VideoMode extension
That will get good and messy then. In particular, if a set of headers isn't available for the platform,
then it basically won't compile. Seems like I need to re-write a few definitions in-line, and of course,
link dynamically and do proper version queries (*.so doesn't mean server actually supports it).
*/
/******************************************************************************/
static int Xlib_SetVideoModeOnScreen(SST_DisplayTarget target, size_t screenIndex, const SST_VideoMode* vmode)
{
SST_DisplayTarget_Xlib* displayTarget = (SST_DisplayTarget_Xlib*)target;
Display* display = displayTarget->display;
int xscreen;
/* Must be screen 0 */
if(screenIndex != 0)
return 0;
xscreen = DefaultScreen(display);
/* Since we aren't changing the display mode, just verify it matches */
if(vmode->bpp != (uint32_t)DefaultDepth(display, xscreen) ||
vmode->width != (uint32_t)DisplayWidth(display, xscreen) ||
vmode->height != (uint32_t)DisplayHeight(display, xscreen) ||
vmode->refreshRate != 0)
{
return 0;
}
return 1;
}
/******************************************************************************/
static int Xlib_GetVideoModeOnScreen(SST_DisplayTarget target, size_t screenIndex, SST_VideoMode* vmodeReturn)
{
SST_DisplayTarget_Xlib* displayTarget = (SST_DisplayTarget_Xlib*)target;
Display* display = displayTarget->display;
int xscreen;
/* Must be screen 0 */
if(screenIndex != 0)
return 0;
xscreen = DefaultScreen(display);
vmodeReturn->bpp = (uint32_t)DefaultDepth(display, xscreen);
vmodeReturn->width = (uint32_t)DisplayWidth(display, xscreen);
vmodeReturn->height = (uint32_t)DisplayHeight(display, xscreen);
vmodeReturn->refreshRate = 0;
return 1;
}
/******************************************************************************/
const struct SST_WM_VideoModeFuncs Xlib_VideoModeFuncs = {
Xlib_SetVideoModeOnScreen,
Xlib_GetVideoModeOnScreen
};