-#if TARGET_HOST_POSIX_X11\r
-static int xrandr_resize(int xsz, int ysz, int rate, int just_checking)\r
-{\r
-#ifdef HAVE_X11_EXTENSIONS_XRANDR_H\r
- int event_base, error_base, ver_major, ver_minor, use_rate;\r
- XRRScreenConfiguration *xrr_config = 0;\r
- Status result = -1;\r
-\r
- /* must check at runtime for the availability of the extension */\r
- if(!XRRQueryExtension(fgDisplay.pDisplay.Display, &event_base, &error_base)) {\r
- return -1;\r
- }\r
-\r
- XRRQueryVersion(fgDisplay.pDisplay.Display, &ver_major, &ver_minor);\r
-\r
- /* we only heed the rate if we CAN actually use it (Xrandr >= 1.1) and\r
- * the user actually cares about it (rate > 0)\r
- */\r
- use_rate = ( rate > 0 ) && ( ( ver_major >= 1 ) ||\r
- ( ( ver_major == 1 ) && ( ver_minor >= 1 ) ) );\r
-\r
- /* this loop is only so that the whole thing will be repeated if someone\r
- * else changes video mode between our query of the current information and\r
- * the attempt to change it.\r
- */\r
- do {\r
- XRRScreenSize *ssizes;\r
- short *rates;\r
- Rotation rot;\r
- int i, ssizes_count, rates_count, curr, res_idx = -1;\r
- Time timestamp, cfg_timestamp;\r
-\r
- if(xrr_config) {\r
- XRRFreeScreenConfigInfo(xrr_config);\r
- }\r
-\r
- if(!(xrr_config = XRRGetScreenInfo(fgDisplay.pDisplay.Display, fgDisplay.pDisplay.RootWindow))) {\r
- fgWarning("XRRGetScreenInfo failed");\r
- break;\r
- }\r
- ssizes = XRRConfigSizes(xrr_config, &ssizes_count);\r
- curr = XRRConfigCurrentConfiguration(xrr_config, &rot);\r
- timestamp = XRRConfigTimes(xrr_config, &cfg_timestamp);\r
-\r
- /* if either of xsz or ysz are unspecified, use the current values */\r
- if(xsz <= 0)\r
- xsz = fgState.GameModeSize.X = ssizes[curr].width;\r
- if(ysz <= 0)\r
- ysz = fgState.GameModeSize.Y = ssizes[curr].height;\r
-\r
-\r
- if(xsz == ssizes[curr].width && ysz == ssizes[curr].height) {\r
- /* no need to switch, we're already in the requested resolution */\r
- res_idx = curr;\r
- } else {\r
- for(i=0; i<ssizes_count; i++) {\r
- if(ssizes[i].width == xsz && ssizes[i].height == ysz) {\r
- res_idx = i;\r
- break; /* found it */\r
- }\r
- }\r
- }\r
- if(res_idx == -1)\r
- break; /* no matching resolution */\r
-\r
-#if ( RANDR_MAJOR >= 1 ) || ( ( RANDR_MAJOR == 1 ) && ( RANDR_MINOR >= 1 ) )\r
- if(use_rate) {\r
- rate = fgState.GameModeRefresh;\r
-\r
- /* for the selected resolution, let's find out if there is\r
- * a matching refresh rate available.\r
- */\r
- rates = XRRConfigRates(xrr_config, res_idx, &rates_count);\r
-\r
- for(i=0; i<rates_count; i++) {\r
- if(rates[i] == rate) {\r
- break;\r
- }\r
- }\r
- if(i == rates_count) {\r
- break; /* no matching rate */\r
- }\r
- }\r
-#endif\r
-\r
- if(just_checking) {\r
- result = 0;\r
- break;\r
- }\r
-\r
-#if ( RANDR_MAJOR >= 1 ) || ( ( RANDR_MAJOR == 1 ) && ( RANDR_MINOR >= 1 ) )\r
- if(use_rate)\r
- result = XRRSetScreenConfigAndRate(fgDisplay.pDisplay.Display, xrr_config,\r
- fgDisplay.pDisplay.RootWindow, res_idx, rot, rate, timestamp);\r
- else\r
-#endif\r
- result = XRRSetScreenConfig(fgDisplay.pDisplay.Display, xrr_config,\r
- fgDisplay.pDisplay.RootWindow, res_idx, rot, timestamp);\r
-\r
- } while(result == RRSetConfigInvalidTime);\r
-\r
- if(xrr_config) {\r
- XRRFreeScreenConfigInfo(xrr_config);\r
- }\r
-\r
- if(result == 0) {\r
- return 0;\r
- }\r
-\r
-#endif /* HAVE_X11_EXTENSIONS_XRANDR_H */\r
- return -1;\r
-}\r
-#endif /* TARGET_HOST_POSIX_X11 */\r
-\r
-#if TARGET_HOST_POSIX_X11\r
-/*\r
- * Remembers the current visual settings, so that\r
- * we can change them and restore later...\r
- */\r
-void fgPlatformRememberState( void )\r
-{\r
- int event_base, error_base;\r
-\r
- /*\r
- * Remember the current pointer location before going fullscreen\r
- * for restoring it later:\r
- */\r
- Window junk_window;\r
- unsigned int junk_mask;\r
-\r
- XQueryPointer(fgDisplay.pDisplay.Display, fgDisplay.pDisplay.RootWindow,\r
- &junk_window, &junk_window,\r
- &fgDisplay.pDisplay.DisplayPointerX, &fgDisplay.pDisplay.DisplayPointerY,\r
- &fgDisplay.pDisplay.DisplayPointerX, &fgDisplay.pDisplay.DisplayPointerY, &junk_mask);\r
-\r
-# ifdef HAVE_X11_EXTENSIONS_XRANDR_H\r
- if(XRRQueryExtension(fgDisplay.pDisplay.Display, &event_base, &error_base)) {\r
- XRRScreenConfiguration *xrr_config;\r
- XRRScreenSize *ssizes;\r
- Rotation rot;\r
- int ssize_count, curr;\r
-\r
- if((xrr_config = XRRGetScreenInfo(fgDisplay.pDisplay.Display, fgDisplay.pDisplay.RootWindow))) {\r
- ssizes = XRRConfigSizes(xrr_config, &ssize_count);\r
- curr = XRRConfigCurrentConfiguration(xrr_config, &rot);\r
-\r
- fgDisplay.pDisplay.prev_xsz = ssizes[curr].width;\r
- fgDisplay.pDisplay.prev_ysz = ssizes[curr].height;\r
- fgDisplay.pDisplay.prev_refresh = -1;\r
-\r
-# if ( RANDR_MAJOR >= 1 ) || ( ( RANDR_MAJOR == 1 ) && ( RANDR_MINOR >= 1 ) )\r
- if(fgState.GameModeRefresh != -1) {\r
- fgDisplay.pDisplay.prev_refresh = XRRConfigCurrentRate(xrr_config);\r
- }\r
-# endif\r
-\r
- fgDisplay.pDisplay.prev_size_valid = 1;\r
-\r
- XRRFreeScreenConfigInfo(xrr_config);\r
- }\r
- }\r
-# endif\r
-\r
- /*\r
- * This highly depends on the XFree86 extensions,\r
- * not approved as X Consortium standards\r
- */\r
-# ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H\r
- if(!XF86VidModeQueryExtension(fgDisplay.pDisplay.Display, &event_base, &error_base)) {\r
- return;\r
- }\r
-\r
- /*\r
- * Remember the current ViewPort location of the screen to be able to\r
- * restore the ViewPort on LeaveGameMode():\r
- */\r
- if( !XF86VidModeGetViewPort(\r
- fgDisplay.pDisplay.Display,\r
- fgDisplay.pDisplay.Screen,\r
- &fgDisplay.pDisplay.DisplayViewPortX,\r
- &fgDisplay.pDisplay.DisplayViewPortY ) )\r
- fgWarning( "XF86VidModeGetViewPort failed" );\r
-\r
-\r
- /* Query the current display settings: */\r
- fgDisplay.pDisplay.DisplayModeValid =\r
- XF86VidModeGetModeLine(\r
- fgDisplay.pDisplay.Display,\r
- fgDisplay.pDisplay.Screen,\r
- &fgDisplay.pDisplay.DisplayModeClock,\r
- &fgDisplay.pDisplay.DisplayMode\r
- );\r
-\r
- if( !fgDisplay.pDisplay.DisplayModeValid )\r
- fgWarning( "XF86VidModeGetModeLine failed" );\r
-# endif\r
-\r
-}\r
-#endif\r
-\r
-#if TARGET_HOST_POSIX_X11\r
-/*\r
- * Restores the previously remembered visual settings\r
- */\r
-void fgPlatformRestoreState( void )\r
-{\r
- /* Restore the remembered pointer position: */\r
- XWarpPointer(\r
- fgDisplay.pDisplay.Display, None, fgDisplay.pDisplay.RootWindow, 0, 0, 0, 0,\r
- fgDisplay.pDisplay.DisplayPointerX, fgDisplay.pDisplay.DisplayPointerY\r
- );\r
-\r
-\r
-# ifdef HAVE_X11_EXTENSIONS_XRANDR_H\r
- if(fgDisplay.pDisplay.prev_size_valid) {\r
- if(xrandr_resize(fgDisplay.pDisplay.prev_xsz, fgDisplay.pDisplay.prev_ysz, fgDisplay.pDisplay.prev_refresh, 0) != -1) {\r
- fgDisplay.pDisplay.prev_size_valid = 0;\r
-# ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H\r
- fgDisplay.pDisplay.DisplayModeValid = 0;\r
-# endif\r
- return;\r
- }\r
- }\r
-# endif\r
-\r
-\r
-\r
-# ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H\r
- /*\r
- * This highly depends on the XFree86 extensions,\r
- * not approved as X Consortium standards\r
- */\r
-\r
- if( fgDisplay.pDisplay.DisplayModeValid )\r
- {\r
- XF86VidModeModeInfo** displayModes;\r
- int i, displayModesCount;\r
-\r
- if( !XF86VidModeGetAllModeLines(\r
- fgDisplay.pDisplay.Display,\r
- fgDisplay.pDisplay.Screen,\r
- &displayModesCount,\r
- &displayModes ) )\r
- {\r
- fgWarning( "XF86VidModeGetAllModeLines failed" );\r
- return;\r
- }\r
-\r
-\r
- /*\r
- * Check every of the modes looking for one that matches our demands.\r
- * If we find one, switch to it and restore the remembered viewport.\r
- */\r
- for( i = 0; i < displayModesCount; i++ )\r
- {\r
- if(displayModes[ i ]->hdisplay == fgDisplay.pDisplay.DisplayMode.hdisplay &&\r
- displayModes[ i ]->vdisplay == fgDisplay.pDisplay.DisplayMode.vdisplay &&\r
- displayModes[ i ]->dotclock == fgDisplay.pDisplay.DisplayModeClock )\r
- {\r
- if( !XF86VidModeSwitchToMode(\r
- fgDisplay.pDisplay.Display,\r
- fgDisplay.pDisplay.Screen,\r
- displayModes[ i ] ) )\r
- {\r
- fgWarning( "XF86VidModeSwitchToMode failed" );\r
- break;\r
- }\r
-\r
- if( !XF86VidModeSetViewPort(\r
- fgDisplay.pDisplay.Display,\r
- fgDisplay.pDisplay.Screen,\r
- fgDisplay.pDisplay.DisplayViewPortX,\r
- fgDisplay.pDisplay.DisplayViewPortY ) )\r
- fgWarning( "XF86VidModeSetViewPort failed" );\r
-\r
-\r
- /*\r
- * For the case this would be the last X11 call the application\r
- * calls exit() we've to flush the X11 output queue to have the\r
- * commands sent to the X server before the application exits.\r
- */\r
- XFlush( fgDisplay.pDisplay.Display );\r
-\r
- fgDisplay.pDisplay.DisplayModeValid = 0;\r
-# ifdef HAVE_X11_EXTENSIONS_XRANDR_H\r
- fgDisplay.pDisplay.prev_size_valid = 0;\r
-# endif\r
-\r
- break;\r
- }\r
- }\r
- XFree( displayModes );\r
- }\r
-\r
-# endif\r
-\r
-}\r
-#endif\r
-\r
-#if TARGET_HOST_POSIX_X11\r
-#ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H\r
-\r
-/*\r
- * Checks a single display mode settings against user's preferences.\r
- */\r
-static GLboolean fghCheckDisplayMode( int width, int height, int depth, int refresh )\r
-{\r
- /* The desired values should be stored in fgState structure... */\r
- return ( width == fgState.GameModeSize.X ) &&\r
- ( height == fgState.GameModeSize.Y ) &&\r
- ( depth == fgState.GameModeDepth ) &&\r
- ( refresh == fgState.GameModeRefresh );\r
-}\r
-\r
-/*\r
- * Checks all display modes settings against user's preferences.\r
- * Returns the mode number found or -1 if none could be found.\r
- */\r
-static int fghCheckDisplayModes( GLboolean exactMatch, int displayModesCount, XF86VidModeModeInfo** displayModes )\r
-{\r
- int i;\r
- for( i = 0; i < displayModesCount; i++ )\r
- {\r
- /* Compute the displays refresh rate, dotclock comes in kHz. */\r
- int refresh = ( displayModes[ i ]->dotclock * 1000 ) /\r
- ( displayModes[ i ]->htotal * displayModes[ i ]->vtotal );\r
-\r
- if( fghCheckDisplayMode( displayModes[ i ]->hdisplay,\r
- displayModes[ i ]->vdisplay,\r
- fgState.GameModeDepth,\r
- ( exactMatch ? refresh : fgState.GameModeRefresh ) ) ) {\r
- if (!exactMatch)\r
- {\r
- /* Update the chosen refresh rate, otherwise a\r
- * glutGameModeGet(GLUT_GAME_MODE_REFRESH_RATE) would not\r
- * return the right values\r
- */\r
- fgState.GameModeRefresh = refresh;\r
- }\r
-\r
- return i;\r
- }\r
- }\r
- return -1;\r
-}\r
-\r
-#endif\r
-#endif\r
-\r
-#if TARGET_HOST_POSIX_X11\r
-\r
-/*\r
- * Changes the current display mode to match user's settings\r
- */\r
-GLboolean fgPlatformChangeDisplayMode( GLboolean haveToTest )\r
-{\r
- GLboolean success = GL_FALSE;\r
- /* first try to use XRandR, then fallback to XF86VidMode */\r
-# ifdef HAVE_X11_EXTENSIONS_XRANDR_H\r
- if(xrandr_resize(fgState.GameModeSize.X, fgState.GameModeSize.Y,\r
- fgState.GameModeRefresh, haveToTest) != -1) {\r
- return GL_TRUE;\r
- }\r
-# endif\r
-\r
-\r
- /*\r
- * This highly depends on the XFree86 extensions,\r
- * not approved as X Consortium standards\r
- */\r
-# ifdef HAVE_X11_EXTENSIONS_XF86VMODE_H\r
-\r
- /*\r
- * This is also used by applications which check modes by calling\r
- * glutGameModeGet(GLUT_GAME_MODE_POSSIBLE), so allow the check:\r
- */\r
- if( haveToTest || fgDisplay.pDisplay.DisplayModeValid )\r
- {\r
- XF86VidModeModeInfo** displayModes;\r
- int i, displayModesCount;\r
-\r
- /* If we don't have a valid modeline in the display structure, which\r
- * can happen if this is called from glutGameModeGet instead of\r
- * glutEnterGameMode, then we need to query the current mode, to make\r
- * unspecified settings to default to their current values.\r
- */\r
- if(!fgDisplay.pDisplay.DisplayModeValid) {\r
- if(!XF86VidModeGetModeLine(fgDisplay.pDisplay.Display, fgDisplay.pDisplay.Screen,\r
- &fgDisplay.pDisplay.DisplayModeClock, &fgDisplay.pDisplay.DisplayMode)) {\r
- return success;\r
- }\r
- }\r
-\r
- if (fgState.GameModeSize.X == -1)\r
- {\r
- fgState.GameModeSize.X = fgDisplay.pDisplay.DisplayMode.hdisplay;\r
- }\r
- if (fgState.GameModeSize.Y == -1)\r
- {\r
- fgState.GameModeSize.Y = fgDisplay.pDisplay.DisplayMode.vdisplay;\r
- }\r
- if (fgState.GameModeDepth == -1)\r
- {\r
- /* can't get color depth from this, nor can we change it, do nothing\r
- * TODO: get with XGetVisualInfo()? but then how to set?\r
- */\r
- }\r
- if (fgState.GameModeRefresh == -1)\r
- {\r
- /* Compute the displays refresh rate, dotclock comes in kHz. */\r
- int refresh = ( fgDisplay.pDisplay.DisplayModeClock * 1000 ) /\r
- ( fgDisplay.pDisplay.DisplayMode.htotal * fgDisplay.pDisplay.DisplayMode.vtotal );\r
-\r
- fgState.GameModeRefresh = refresh;\r
- }\r
-\r
- /* query all possible display modes */\r
- if( !XF86VidModeGetAllModeLines(\r
- fgDisplay.pDisplay.Display,\r
- fgDisplay.pDisplay.Screen,\r
- &displayModesCount,\r
- &displayModes ) )\r
- {\r
- fgWarning( "XF86VidModeGetAllModeLines failed" );\r
- return success;\r
- }\r
-\r
-\r
- /*\r
- * Check every of the modes looking for one that matches our demands,\r
- * ignoring the refresh rate if no exact match could be found.\r
- */\r
- i = fghCheckDisplayModes( GL_TRUE, displayModesCount, displayModes );\r
- if( i < 0 ) {\r
- i = fghCheckDisplayModes( GL_FALSE, displayModesCount, displayModes );\r
- }\r
- success = ( i < 0 ) ? GL_FALSE : GL_TRUE;\r
-\r
- if( !haveToTest && success ) {\r
- if( !XF86VidModeSwitchToMode(\r
- fgDisplay.pDisplay.Display,\r
- fgDisplay.pDisplay.Screen,\r
- displayModes[ i ] ) )\r
- fgWarning( "XF86VidModeSwitchToMode failed" );\r
- }\r
-\r
- XFree( displayModes );\r
- }\r
-\r
-# endif\r
-\r
- return success;\r
-}\r
-\r
-#endif\r
-\r