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Date: Sun, 6 Mar 2005 17:06:20 +0100 From: Per Inge Mathisen Subject: [SDL] Fullscreen refresh on win32 Windows has a terrible default for fullscreen 3D apps of 60mhz refresh rate. This can be fixed by the user by going into his driver's control panel and forcing the refresh rate higher. However, this not a very user friendly way about it, and in any case SDL contains no code that could figure out this that condition has afflicted the user. So the question is, could SDL fix this for the user? It is possible under Windows to request a higher refresh rate. The danger is of course that if the user has an old monitor, and you request a too high refresh rate, the monitor could be damaged. However, I believe there might be a way around that: Check before switching what refresh rate the user's desktop runs in, and if our fullscreen dimensions are equal or less than those of the desktop, use the higher refresh rate of 60 and the desktop rate. Since most users run their desktops in the same or higher resolution something sane, this should fix this problem for most users. Thoughts? An alternative is to add an SDL_GL_GetAttribute(SDL_GL_REFRESH_RATE) option so that programs can bitch at their users at their own convenience. - Per
author Sam Lantinga <slouken@libsdl.org>
date Mon, 30 Jan 2006 06:56:10 +0000
parents 173c063d4f55
children
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#=============================================================================
#          This is a Watcom makefile to build SDL.DLL for OS/2
#
#
#=============================================================================

dllname=SDL

audioobjs = audio\SDL_audio.obj audio\SDL_audiocvt.obj audio\SDL_audiomem.obj &
            audio\SDL_mixer.obj audio\SDL_mixer_MMX_VC.obj audio\SDL_wave.obj &
            audio\SDL_dart.obj
cdromobjs = cdrom\SDL_cdrom.obj cdrom\SDL_syscdrom.obj
cpuinfoobjs = cpuinfo\SDL_cpuinfo.obj
endianobjs = endian\SDL_endian.obj
eventsobjs = events\SDL_active.obj events\SDL_events.obj events\SDL_expose.obj &
             events\SDL_keyboard.obj events\SDL_mouse.obj events\SDL_quit.obj &
             events\SDL_resize.obj
fileobjs = file\SDL_rwops.obj
hermesobjs = hermes\mmx_main.obj hermes\mmxp2_32.obj hermes\x86_main.obj &
             hermes\x86p_16.obj hermes\x86p_32.obj
joystickobjs = joystick\SDL_joystick.obj joystick\SDL_sysjoystick.obj
threadobjs = thread\SDL_thread.obj thread\SDL_sysmutex.obj &
             thread\SDL_syssem.obj thread\SDL_systhread.obj &
             thread\SDL_syscond.obj
timerobjs = timer\SDL_timer.obj timer\SDL_systimer.obj
videoobjs = video\SDL_blit.obj video\SDL_blit_0.obj video\SDL_blit_1.obj &
            video\SDL_blit_A.obj video\SDL_blit_N.obj video\SDL_bmp.obj &
            video\SDL_cursor.obj video\SDL_gamma.obj video\SDL_pixels.obj &
            video\SDL_RLEaccel.obj video\SDL_stretch.obj video\SDL_surface.obj &
            video\SDL_video.obj video\SDL_yuv.obj video\SDL_yuv_mmx.obj &
            video\SDL_yuv_sw.obj video\SDL_os2fslib.obj

object_files= SDL.obj SDL_error.obj SDL_fatal.obj SDL_getenv.obj &
              SDL_loadso.obj $(audioobjs) $(cpuinfoobjs) $(endianobjs) &
              $(eventsobjs) $(fileobjs) $(joystickobjs) &
              $(threadobjs) $(timerobjs) $(videoobjs) $(cdromobjs)
	      

# Extra stuffs to pass to C compiler:
ExtraCFlags=

#
#==============================================================================
#
!include ..\Watcom.mif

.before
    @set include=$(%os2tk)\h;$(%include);../include;./thread;./thread/os2;./video;./cdrom;./cdrom/os2;./joystick;./joystick/os2;

all : check_subdir_objects $(dllname).dll $(dllname).lib

$(dllname).dll : $(dllname).lnk $(object_files)
    wlink @$(dllname)

check_subdir_objects: .always .symbolic
    @cd audio
    @wmake -h -f Makefile.wat
    @cd ..\cdrom
    @wmake -h -f Makefile.wat
    @cd ..\cpuinfo
    @wmake -h -f Makefile.wat
    @cd ..\endian
    @wmake -h -f Makefile.wat
    @cd ..\events
    @wmake -h -f Makefile.wat
    @cd ..\file
    @wmake -h -f Makefile.wat
    @cd ..\joystick
    @wmake -h -f Makefile.wat
    @cd ..\thread
    @wmake -h -f Makefile.wat
    @cd ..\timer
    @wmake -h -f Makefile.wat
    @cd ..\video
    @wmake -h -f Makefile.wat
    @cd ..

$(dllname).lnk :
    @echo Creating linker file ($(dllname).lnk)...
    @echo $#============================================================================= >$^@
    @echo $#              This is a linker file to build SDL.DLL for OS/2 >>$^@
    @echo $# >>$^@
    @echo $# Generated automatically by Makefile.wat >>$^@
    @echo $#============================================================================= >>$^@
    @echo SYSTEM 386 LX DLL INITINSTANCE TERMINSTANCE >>$^@
    @echo NAME $^& >>$^@
    @for %i in ($(object_files)) do @echo FILE %i >>$^@
    @echo LIBPATH %os2tk%\lib >>$^@
    @echo LIBPATH %fslib% >>$^@
    @echo LIB mmpm2.lib >>$^@
    @echo LIB fslib.lib >>$^@
    @echo OPTION QUIET >>$^@
    @echo OPTION MAP=$^&.map >>$^@
    @echo OPTION DESCRIPTION 'Simple DirectMedia Layer v1.2.7' >>$^@
    @echo OPTION ELIMINATE >>$^@
    @echo OPTION MANYAUTODATA >>$^@
    @echo OPTION OSNAME='OS/2 and eComStation' >>$^@
    @echo OPTION SHOWDEAD >>$^@
    @echo Linker file created!

$(dllname).lib : $(dllname).dll
    implib $(dllname).lib $(dllname).dll

clean : .SYMBOLIC
    @if exist *.dll del *.dll
    @if exist *.lib del *.lib
    @if exist *.obj del *.obj
    @if exist *.lnk del *.lnk
    @if exist *.map del *.map
    @if exist *.res del *.res
    @if exist *.lst del *.lst
    @cd audio
    @wmake -h -f Makefile.wat clean
    @cd ..\cdrom
    @wmake -h -f Makefile.wat clean
    @cd ..\cpuinfo
    @wmake -h -f Makefile.wat clean
    @cd ..\endian
    @wmake -h -f Makefile.wat clean
    @cd ..\events
    @wmake -h -f Makefile.wat clean
    @cd ..\file
    @wmake -h -f Makefile.wat clean
    @cd ..\joystick
    @wmake -h -f Makefile.wat clean
    @cd ..\thread
    @wmake -h -f Makefile.wat clean
    @cd ..\timer
    @wmake -h -f Makefile.wat clean
    @cd ..\video
    @wmake -h -f Makefile.wat clean
    @cd ..