Skip to content

Commit

Permalink
Disable the screensaver in DGA mode, which is even more important tha…
Browse files Browse the repository at this point in the history
…n X11...
  • Loading branch information
slouken committed May 8, 2006
1 parent 820c153 commit 4439a6e
Show file tree
Hide file tree
Showing 5 changed files with 47 additions and 24 deletions.
13 changes: 12 additions & 1 deletion src/video/dga/SDL_dgavideo.c
Expand Up @@ -41,6 +41,11 @@
/* get function pointers... */
#include "../x11/SDL_x11dyn.h"

/* Heheh we're using X11 event code */
extern void X11_SaveScreenSaver(Display *display, int *saved_timeout, BOOL *dpms);
extern void X11_DisableScreenSaver(Display *display);
extern void X11_RestoreScreenSaver(Display *display, int saved_timeout, BOOL dpms);

/* Initialization/Query functions */
static int DGA_VideoInit(_THIS, SDL_PixelFormat *vformat);
static SDL_Rect **DGA_ListModes(_THIS, SDL_PixelFormat *format, Uint32 flags);
Expand Down Expand Up @@ -387,6 +392,10 @@ static int DGA_VideoInit(_THIS, SDL_PixelFormat *vformat)
return(-1);
}

/* Save DPMS and screensaver settings */
X11_SaveScreenSaver(DGA_Display, &screensaver_timeout, &dpms_enabled);
X11_DisableScreenSaver(DGA_Display);

/* Query for the list of available video modes */
modes = SDL_NAME(XDGAQueryModes)(DGA_Display, DGA_Screen, &num_modes);
SDL_qsort(modes, num_modes, sizeof *modes, cmpmodes);
Expand Down Expand Up @@ -1048,7 +1057,6 @@ void DGA_VideoQuit(_THIS)
}
#endif /* LOCK_DGA_DISPLAY */


/* Clean up defined video modes */
for ( i=0; i<NUM_MODELISTS; ++i ) {
if ( SDL_modelist[i] != NULL ) {
Expand All @@ -1063,6 +1071,9 @@ void DGA_VideoQuit(_THIS)
/* Clean up the memory bucket list */
DGA_FreeHWSurfaces(this);

/* Restore DPMS and screensaver settings */
X11_RestoreScreenSaver(DGA_Display, screensaver_timeout, dpms_enabled);

/* Close up the display */
XCloseDisplay(DGA_Display);
}
Expand Down
12 changes: 12 additions & 0 deletions src/video/dga/SDL_dgavideo.h
Expand Up @@ -30,6 +30,10 @@
#include "SDL_mutex.h"
#include "../SDL_sysvideo.h"

#if SDL_VIDEO_DRIVER_X11_DPMS
#include <X11/extensions/dpms.h>
#endif

/* Hidden "this" pointer for the video functions */
#define _THIS SDL_VideoDevice *this

Expand Down Expand Up @@ -86,6 +90,12 @@ struct SDL_PrivateVideoData {
#ifdef LOCK_DGA_DISPLAY
SDL_mutex *event_lock;
#endif

/* Screensaver settings */
int screensaver_timeout;
#if SDL_VIDEO_DRIVER_X11_DPMS
BOOL dpms_enabled;
#endif
};
/* Old variable names */
#define DGA_Display (this->hidden->DGA_Display)
Expand All @@ -107,5 +117,7 @@ struct SDL_PrivateVideoData {
#define hw_lock (this->hidden->hw_lock)
#define DGA_event_base (this->hidden->event_base)
#define event_lock (this->hidden->event_lock)
#define screensaver_timeout (this->hidden->screensaver_timeout)
#define dpms_enabled (this->hidden->dpms_enabled)

#endif /* _SDL_dgavideo_h */
34 changes: 17 additions & 17 deletions src/video/x11/SDL_x11events.c
Expand Up @@ -1118,53 +1118,53 @@ void X11_InitOSKeymap(_THIS)
X11_InitKeymap();
}

void X11_SaveScreenSaver(_THIS)
void X11_SaveScreenSaver(Display *display, int *saved_timeout, BOOL *dpms)
{
int timeout, interval, prefer_blank, allow_exp;
XGetScreenSaver(SDL_Display, &timeout, &interval, &prefer_blank, &allow_exp);
screensaver_timeout = timeout;
XGetScreenSaver(display, &timeout, &interval, &prefer_blank, &allow_exp);
*saved_timeout = timeout;

#if SDL_VIDEO_DRIVER_X11_DPMS
if ( SDL_X11_HAVE_DPMS ) {
int dummy;
if ( DPMSQueryExtension(SDL_Display, &dummy, &dummy) ) {
if ( DPMSQueryExtension(display, &dummy, &dummy) ) {
CARD16 state;
DPMSInfo(SDL_Display, &state, &dpms_enabled);
DPMSInfo(display, &state, dpms);
}
}
#endif /* SDL_VIDEO_DRIVER_X11_DPMS */
}

void X11_DisableScreenSaver(_THIS)
void X11_DisableScreenSaver(Display *display)
{
int timeout, interval, prefer_blank, allow_exp;
XGetScreenSaver(SDL_Display, &timeout, &interval, &prefer_blank, &allow_exp);
XGetScreenSaver(display, &timeout, &interval, &prefer_blank, &allow_exp);
timeout = 0;
XSetScreenSaver(SDL_Display, timeout, interval, prefer_blank, allow_exp);
XSetScreenSaver(display, timeout, interval, prefer_blank, allow_exp);

#if SDL_VIDEO_DRIVER_X11_DPMS
if ( SDL_X11_HAVE_DPMS ) {
int dummy;
if ( DPMSQueryExtension(SDL_Display, &dummy, &dummy) ) {
DPMSDisable(SDL_Display);
if ( DPMSQueryExtension(display, &dummy, &dummy) ) {
DPMSDisable(display);
}
}
#endif /* SDL_VIDEO_DRIVER_X11_DPMS */
}

void X11_RestoreScreenSaver(_THIS)
void X11_RestoreScreenSaver(Display *display, int saved_timeout, BOOL dpms)
{
int timeout, interval, prefer_blank, allow_exp;
XGetScreenSaver(SDL_Display, &timeout, &interval, &prefer_blank, &allow_exp);
timeout = screensaver_timeout;
XSetScreenSaver(SDL_Display, timeout, interval, prefer_blank, allow_exp);
XGetScreenSaver(display, &timeout, &interval, &prefer_blank, &allow_exp);
timeout = saved_timeout;
XSetScreenSaver(display, timeout, interval, prefer_blank, allow_exp);

#if SDL_VIDEO_DRIVER_X11_DPMS
if ( SDL_X11_HAVE_DPMS ) {
int dummy;
if ( DPMSQueryExtension(SDL_Display, &dummy, &dummy) ) {
if ( dpms_enabled ) {
DPMSEnable(SDL_Display);
if ( DPMSQueryExtension(display, &dummy, &dummy) ) {
if ( dpms ) {
DPMSEnable(display);
}
}
}
Expand Down
6 changes: 3 additions & 3 deletions src/video/x11/SDL_x11events_c.h
Expand Up @@ -28,6 +28,6 @@ extern void X11_InitOSKeymap(_THIS);
extern void X11_PumpEvents(_THIS);
extern void X11_SetKeyboardState(Display *display, const char *key_vec);

extern void X11_SaveScreenSaver(_THIS);
extern void X11_DisableScreenSaver(_THIS);
extern void X11_RestoreScreenSaver(_THIS);
extern void X11_SaveScreenSaver(Display *display, int *saved_timeout, BOOL *dpms);
extern void X11_DisableScreenSaver(Display *display);
extern void X11_RestoreScreenSaver(Display *display, int saved_timeout, BOOL dpms);
6 changes: 3 additions & 3 deletions src/video/x11/SDL_x11video.c
Expand Up @@ -545,8 +545,8 @@ static int X11_VideoInit(_THIS, SDL_PixelFormat *vformat)
X11_SaveVidModeGamma(this);

/* Save DPMS and screensaver settings */
X11_SaveScreenSaver(this);
X11_DisableScreenSaver(this);
X11_SaveScreenSaver(SDL_Display, &screensaver_timeout, &dpms_enabled);
X11_DisableScreenSaver(SDL_Display);

/* See if we have been passed a window to use */
SDL_windowid = SDL_getenv("SDL_WINDOWID");
Expand Down Expand Up @@ -1375,7 +1375,7 @@ void X11_VideoQuit(_THIS)
}

/* Restore DPMS and screensaver settings */
X11_RestoreScreenSaver(this);
X11_RestoreScreenSaver(SDL_Display, screensaver_timeout, dpms_enabled);

/* Free that blank cursor */
if ( SDL_BlankCursor != NULL ) {
Expand Down

0 comments on commit 4439a6e

Please sign in to comment.