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Added support for SDL_VIDEO_WINDOW_POS and SDL_VIDEO_CENTERED on Windows

Date: Mon, 16 Feb 2004 19:21:51 +0100 From: Max Horn Subject: Re: Fix for OSX bug The problem is that our actual client area is realized as a subview of the "content view" of the window. That's normal so far. The odd part is that, while our subview starts out filling it parent 100%, upon resizes it gets changed to something smaller.... Anyway, here is a revised patch which simply enforces the size of window_view by calling setFrameSize.

Remove automake junk before generating a snapshot

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Fixed mouse focus events after resetting video mode on Windows

Lots of people have contributed cash. :)

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Showed how to toggle fullscreen mode if the API isn't supported

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-lgem must appear after -lldg

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Programs should really be handling SIGPIPE themselves

Date: Sat, 14 Feb 2004 14:52:40 +0200 From: "Mike Gorchak" Subject: Batch of the QNX6 fixes for the SDL 1. Updated readme.QNX 2. Fixed crashes during intensive window updating under fast machines (got over 200 rectangles for update). 3. Fixed double-buffered fullscreen modes, now it works as needed. 4. Fixed Photon detection algorithm. 5. Fixed HWSURFACE update function. 6. Added SDL_PHOTON_FULLSCREEN_REFRESH environment variable support for control refresh rates under Photon. 7. Added 640x400 fullscreen mode emulation via 640x480 (if videodriver not supports original 640x400 mode of course) shifted by 40 vertical pixels from begin, to center it. It's needed for some old DOS games which ran in doubled 320x200 mode. 8. Added available video ram amount support. 8. Added hardware surface allocation/deallocation support if current videomode and videodriver supports it. 9. Added hardware filling support. 10. Added hardware blits support (simple and colorkeyed). And I've added to testvidinfo test color-keyed blits benchmark (maybe need to add alpha blits benchmark too ?). Currently Photon not supporting any alpha hardware blittings (all drivers lack of alpha blitting code support, only software alpha blitting exist in photon, which is hundreds times slowest than the SDL's one). So I've not added the alpha support. I suppose new QNX 6.3 will have the hardware alpha support, so when it will be done, I'll add alpha support.

Important crash fix: system vectors for mouse/joystick were not restored

Update the version on the SDL shared library. Use SDL stub library for tests.

Fixed typo in DirectFB driver (thanks Frank!)

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Date: Fri, 13 Feb 2004 17:03:16 +0100 From: Max Horn Subject: Modifier key fix The internal modifier state can get out of sync with reality. To trigger this, do for example this: 1) Launch an SDL app 2) Alt-click on the desktop (this will hide the SDL app). 3) Bring the SDL app back to the front 4) SDL will still think alt is pressed (and as such will treat left clicks like middle clicks). If you press and release alt, it'll be fine again. The attached patch cures this by rechecking the modifier state whenever we process an event.

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Use sigaction instead of signal to preserve handler flags (thanks Matthew!)

Added support for remote XVideo (thanks Frederic!)

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Don't use hardware overlay by default (seems much faster this way)

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Date: Tue, 13 Jan 2004 19:25:37 +0300 From: Dmitry Yakimov Subject: [SDL] [PATCH] SDL bug patch Let me introduce 2 fixes to SDL. 1. Preventing great slowdown on fast machines while hardware flipping (it's obviously bug). 2. Setting up 85 Hz of monitor if supported. The reason is that Win98 by default sets lowest frequency 60 Hz. And we can't set up maximum frequency because some users can have wrong monitor drivers. This is important for shareware and commercial programs.

Simplify code and clean up Valgrind warning

Fixed static linking on MacOS X (thanks Max!)

Updated projects with cpuinfo API

Date: Wed, 04 Feb 2004 13:51:56 +0100 From: Jens Leuschner Subject: Small patch for libSDL In newer XFree86 releases in the German keyboard the "AltGr"-Key no longer produces the keysym "Mode_switch", instead it produces "ISO_Level3_Shift". I have created a small patch against SDL-1.2.6 (which cleanly applies to the current CVS-SDL too) that makes SDL recognize ISO_Level3_Shift as AltGR key.

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Updated SDL HTML documentation

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Video modes must be sorted by Y size, for SDL_GetVideoMode() to operate properly

When commiting code, cleanup before doing it

Bugfixes: some info about current framebuffer overwritten by some default values, and screen width must be multiple of 16 pixels to work correctly

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Milan and Hades Atari clones do not have an Atari video chip

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Check for altivec assembly support before trying to use it. :)

Updated for the latest version of automake

Altivec detection on non-MacOS X systems

Added an exports target so I can make the exports all at once. :)

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Date: Wed, 28 Jan 2004 20:25:54 +0100 From: Thomas Jarosch Subject: Re: [SDL] DSPF_RBG15 in src/video/directfb/SDL_DirectFB_video.c In my local DirectFB 0.1.19 copy, DSPF_RGB15 is an alias for DSPF_ARGB1555. They seem to have it removed in DirectFB CVS. As DSPF_RGB15 was only an alias, the attached patch can safely be applied to SDL and won't brake older DirectFB versions.

Date: Wed, 28 Jan 2004 02:37:04 +0100 From: Max Horn Subject: Small libtool patch (framework related) here is a small patch for ltmain.sh. It corrects a problems with the libSDL.la file, which prevented applications using a version of libtool w/o framework support (read: all currently released libtool version) to not being able to link with SDL anymore. I also notified the libtool maintainers, as the same problem exists in libtool CVS.

Updated Project Builder projects

Date: Sat, 24 Jan 2004 14:49:58 +0100 From: Stephane Marchesin Subject: Re: [SDL] 3DNow! detection on a P4 system Well... I found another bug : 3dnow was detected on P2/P3 cpus. So I took one more look at the code and found a mistake in CPU_getCPUIDFeaturesExt : The condition for having extended cpuinfo is that when we query extended cpuinfo we get a result >= 0x80000001. So we must exit if eax < 0x80000001. The attached patch does that.

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Fixed bugs in CPU feature detection and added extended feature detection

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Add to temporary includes path to find src/video/windx5/directx.h if we build SDL in a different directory

Date: Tue, 6 Jan 2004 21:54:02 +0100 From: Max Horn Subject: Auto hide mouse & other changes the attached bug adds the auto-hide-mouse feature I talked about earlier. Turned out it was a lot simpler than I thought, simply by using our existing code :-). I actually spent much more time on fixing various bugs in the code and correcting (IMO) some behavior (although, due to the lack of real specs for SDL, it's probably arguable what 'correct' means...). * adds auto (un)hiding of mouse depending on whether it is in- or outside the game window * computation of course coordinates is correct now (it often and reproducible got out of sync with the old code, since the NSEvent window was in some cases *not* our window anymore, so locationInWindow returned wrong results) * added a method which at any time returns the mouse coords, relative to our window * fixed handling of lost/gain input/mouse/app focus "events"

Date: Tue, 6 Jan 2004 12:42:19 +0100 From: Max Horn Subject: SDL_HasAltiVec; BUGS file the attached patch adds SDL_HasAltiVec to SDL CVS. Note that at this point, this only works on MacOSX (and maybe darwin). I don't know how to properly add a test for e.g. Linux/PPC at this point. I found an email which might help in doing so: http://zebra.fh-weingarten.de/~maxi/html/mplayer-dev-eng/2003-01msg00783.html However, since I have no way to test on a non-OSX PowerPC system, I am not comfortable blindly adding such code... I just hope that if somebody from the Linux/PPC (or FreeBSD/PPC, or whatever) community notices this, they'll jump up and provide a patch for us ;-)

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Added support for /dev/joy* on Free/Net/OpenBSD (thanks Christian!)

Fixed playback problems with MacOSX 10.1

Date: Mon, 5 Jan 2004 00:09:36 +0100 From: Anders_F_Bj?rklund Subject: [SDL] Dynamic OpenGL lib support for Mac Here's a patch that adds LoadLibrary and GetProcAddress to the Carbon macintosh driver (for Mac OS 9 and Mac OS X): http://www.algonet.se/~afb/SDL-1.2.6-macdynamicgl.patch It just calls the corresponding function from SDL_loadso. It also fixes one Mac bug in SDL_loadso.c, that made it fail always when loading a library, and fixes the screen update after receiving an update event - which caused the OpenGL context to be overwritten by a blank window by UpdateRect...

Date: Sun, 4 Jan 2004 23:48:19 +0100 From: Max Horn Subject: Re: Again Audio CD patch Am 04.01.2004 um 22:38 schrieb Sam Lantinga: > > Okay, I fixed the buffering problems by simply using a 4 second buffer > instead of a 1 second buffer. However, using your code I can't play an > entire CD - the playback stops after the first song. > Found the problem: FSReadFork returns eofErr when the file is finished. However, we check its return value for errors, and if anything but noErr occurs, the reader thread aborts its current iteration. That is bad, because it aborts before it can ever set the flag which tells that the file is over (also, any remaining data which FSRead did return is lost - so you'd not hear about to 4 seconds from the end of the file. Furthermore, the computed data size was 8 bytes to high (I forgot to account for the fact that the size of an (A)IFF chunk always contains the chunk header & size fields, too). This is enough to make it work. However, the end condition is rather fragile, so I tuned some other things to be pessimistic (check for <= 0 instead of == 0, when eofErr is encountered enforce mReadFilePosition == mFileLength). You never know... The attached patch fixes the issue for me.

Fix buffer underrun problems on slow iBooks

Fixed track detection on MacOS X 10.1

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Updated copyright information for 2004 (Happy New Year!)

Max has been reworking this code so it works on MacOS X 10.1

Date: Mon, 17 Nov 2003 21:59:24 -0800 From: Pete Shinners Subject: [SDL] directfb cursor patch here is a quick and dirty patch that allows directfb to change the visibility of the cursor. this display backend still has no way to change the actual cursor shape, but being able to set the cursor visibility is a simple change that should offer some benefits. the code was largely based on the cursor code for other sdl backends. and this documentation. http://directfb.org/documentation/DirectFB_Reference/IDirectFBDisplayLayer_SetCursorOpacity.html

Date: Wed, 26 Nov 2003 01:52:02 +0800 From: "Andy Pfiffer" Subject: [SDL] patch: PocketPC 2000 diffs for release_1_2_6 I was making a backup of my current workspace of SDL for PocketPC, and thought I would send out my diffs. Apologies in advance if the patch has become whitespace mangled. These diffs are relative to CVS tag release_1_2_6, and contain (I think) all changes that have been mentioned on the mailing list in the last few months. I only have PocketPC 2000 & an ARM-based device (iPaq 3635), and I only use Embedded Visual Tools 3.0, so I can't say for sure if it breaks other PocketPC 200[023] builds.

Editors Note: The original patch was modified to use SDL_Delay() instead of nanosleep because nanosleep may not be portable to all systems using SDL with the ALSA backend. This may be a moot point with the switch to blocking writes anyway... Date: Sat, 27 Dec 2003 21:47:36 +0100 From: Michel Daenzer To: Debian Bug Tracking System Subject: [SDL] Bug#225252: [PATCH] ALSA fixes Package: libsdl1.2debian-all Version: 1.2.6-2 Severity: normal Tags: patch For SDL 1.2.6, the ALSA backend was changed to call snd_pcm_open() with SND_PCM_NONBLOCK. That's a good idea per se, however, it causes high CPU usage, interrupted sound and stuttering in some games here. Taking a nanosleep whenever snd_pcm_writei() returns -EAGAIN fixes this, but I think it's more efficient to use blocking mode for the actual sound playback. Feedback from the SDL and ALSA lists appreciated. The patch also fixes the default ALSA device to be used.

Added function to create RWops from const memory: SDL_RWFromConstMem()

Updated for new APIs

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Date: Wed, 31 Dec 2003 21:55:30 +0100 From: Max Horn Subject: SDL: video/quartz cleanup while doing some experimental changes in the quartz code, I was annoyed by having to recompile that one big .o file over and over again. So I decided to finally realize one TODO: properly splitting the code over multiple files :-). With two exceptions, I didn't make code changes, only rearranged files and added new headers. Since there are several new files, making a patch didn't work out so well, so I decided to just send you all the new & modified files. The one source change I made is related to showing/hiding the mouse. I renamed cursor_visible to cursor_should_be_visible and cursor_hidden to cursor_visible; I think that makes reading the code easier. Then I added two new functions: QZ_ShowMouse and QZ_HideMouse. They help manage cursor_visible (the former 'cursor_hidden'). Finally I replaced the Carbon ShowCursor/HiderCuror calls by [NSCursor hide] and [NSCursor unhide]. The API docs are not conclusive, but it might be that with those the "cursor_visible" (former 'cursor_hidden') hack may not be necessary anymore; however so far I didn't test this hypothesis, so I left that in. The other change was to remove in_foreground and use [NSApp isActive] instead: Manually keeping track of whether we are in the foreground is error prone. This should work better in some corner cases.

Oops, we only want to fail creation if the display surface is an OpenGL surface.

From: Thomas Jarosch To: Ryan C. Gordon Subject: SDL: DirectFB videodriver segfault Date: Sun, 21 Dec 2003 20:40:14 +0100 Hi Ryan, attached is a patch to fix a segfault in DirectFB_VideoQuit. When SetVideoMode never gets called (f.e. wrong command line arguments for "testsprite"), this->screen->hwdata is NULL. Cheers, Thomas

Date: Wed, 17 Dec 2003 18:07:29 -0800 PST From: "Andrew Bachmann" Subject: recent build changes To ensure that I submitted all the changes to you I attempt to rebuild SDL from a clean cvs checkout. Unfortunately it failed with this error: /boot/develop/libsdl/SDL12/src/audio/baudio/SDL_beaudio.cc:35: SDL_BeApp.h: No such file or directory

Date: Sun, 14 Dec 2003 15:16:12 +0100 From: Stephane Marchesin Subject: Re: [SDL] compile problem with sdl <-> alsa The attathced patch does the trick (although there will have to be code changes when the alsa 0.9 api get deprecated). On a side-note, the good news is that using alsa 1.0.0rc1 solves the previous issues I had with my ac97 via sound chipset.

te: Mon, 15 Dec 2003 08:25:14 -0800 PST From: "Andrew Bachmann" Subject: libSDL patches for beos video I created some patches to SDL: 1. YUV overlay support 2. maintain high refresh rate when changing resolutions to a lower resolution

Date: Fri, 12 Dec 2003 11:51:21 +0900 From: Hayashi Naoyuki Subject: Tru64 audio(mme) fix ./src/audio/mme/SDL_mmeaudio.c Fix the sound skip problem which is caused even if it recover from high load.

Fixed "dist" make target for newer versions of automake

Date: Thu, 4 Dec 2003 07:48:40 +0200 From: "Mike Gorchak" Subject: SDL/QNX6 new patch Here in attachment my patch for the SDL/QNX6 again :) It contain non-crtitical/cosmetic fixes: 1. Fixed window centering at other than the first consoles. 2. Fixed window centering algorithm in case when window height or width are greater than the desktop resolution. 3. Fixed window positioning on other than the first consoles. 4. Fixed occasional input focus lost when switching to fullscreen. 5. Removed the Photon's default chroma color for the overlays, added RGB(12, 6, 12) color instead (very dark pink). 6. Added more checks to the YUV overlay code (fixed crashes during resolution mode switches). 7. Added support for Enter/Backspace keys in unicode mode (used by Maelstrom and by other games). 8. Fixed window restore/maximize function. It works, finally.

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Date: Mon, 24 Nov 2003 20:11:31 +0000 From: John Drinkwater <john@nextraweb.com> Subject: SDL configure.in patch On my cygwin compile environment, I get a script error with configure. $ ./configure --enable-debug=no -q; appending configuration tag "CXX" to libtool appending configuration tag "F77" to libtool ./configure: line 28135: : command not found *snip the rest* The supplied patch fixes the problem, just a minor oversight of some [ ] & t\ est.

Updated Visual C++ support

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Check for CPUID before checking for 3DNow!

Greatly simplified the SDL CPU info code

Greatly simplified the SDL CPU info code

Switched data files to binary format

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Fixed building cpuinfo under mingw32

Date: Mon, 17 Nov 2003 23:12:59 +0100 From: Max Horn Subject: SDL building "the unix way" on OS X I just noticed that building current SDL CVS "the unix way" (using configure/make) is (and has been for some time, it seems) broken. That's because Sam updated to a newer libtool version, which removed my "-framework" patches. Attached is a patch which once again makes ltmain.sh aware of "-framework". Note that this is simply a backport of the corresponding changes in libtool CVS (i.e. the next libtool release will contain those same changes).

Actually hook the cpuinfo module into the library. :)

Added SDL_HasMMX(), SDL_Has3DNow(), SDL_HasSSE() in SDL_cpuinfo.h

Date: Mon, 10 Nov 2003 19:57:56 +0100 From: Stephane Marchesin <stephane.marchesin@wanadoo.fr> Subject: [SDL] SDL and gcc >= 3.3.1 fix Lately, I upgraded my gcc compiler and could trigger the error described in this thread : http://www.libsdl.org/pipermail/sdl/2003-September/056163.html SDL_RLEaccel.c: In function `RLEClipBlit': SDL_RLEaccel.c:845: error: invalid `asm': invalid expression as operand SDL_RLEaccel.c:845: error: invalid `asm': invalid expression as operand SDL_RLEaccel.c:845: error: invalid `asm': invalid expression as operand The attached patch fixes this issue, and is smaller than the previous one, as I was able to trigger the issue, so I could narrow it.

Small fix for iconification

Use new C2P routine + corrections for iconification window

Use new C2P routine

New C2P conversion routine

Date: Mon, 13 Oct 2003 13:37:18 +0100 From: "alan buckley" Subject: Modification for RISC OS SDL port (SDL_riscosevents.c) This modification improves the key press to Unicode character translation.

Date: Wed, 5 Nov 2003 21:27:47 +0100 From: Thomas Jarosch <xxx> To: Ryan C. Gordon <xxx> Subject: MGA CRTC2 update Hi Ryan, attached is a small update for the DirectFB MGA CRTC2 support: - Video aspect ratio correct scaling (important for MAME) - Small bugfix in previous scaling code - Ability to control the TV picture overscan via the environment variable SDL_DIRECTFB_OVERSCAN. Sounds worth enough for applying it to SDL CVS ;-) Cheers, Thomas

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Use a unique base address for each DLL. Fixed ltmain.sh for MSYS development environment.

Updated libtool support so Mingw32 builds work.

MGA CRTC2 support for DirectFB target contributed by Thomas Jarosch.

Update MiNT CD-ROM driver

SDL12: Disable screensaver in windib driver.

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Atari CD-ROM support

Files now copied to build directory instead of source directory while configuring

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Date: Thu, 18 Sep 2003 14:24:35 -0400 From: Scott Watson Subject: [SDL] Improper Windows message routine calling If this hasn't been caught yet, there's an improper method of calling a user's window message routine in the various SDL_xxevents.c files. Calling it improperly can cause a crash under at least XP.

N Sep 17 8791 Sam Lantinga Re: tks source released Date: Sun, 07 Sep 2003 02:51:58 +0200 From: Stephane Marchesin Subject: [SDL] Two little patches Compiling SDL with a recent gcc (gcc 3.3.1, 3.3 doesn't have this behaviour) gives some nasty warnings : SDL_blit_A.c: In function `BlitRGBtoRGBSurfaceAlpha128MMX': SDL_blit_A.c:223: warning: integer constant is too large for "long" type SDL_blit_A.c:225: warning: integer constant is too large for "long" type SDL_blit_A.c:227: warning: integer constant is too large for "long" type [...] The first attached patch (longlongfix.patch) tells gcc to really treat those constants as unsigned long long and not long. The second patch (nasinclude.patch) fixes an include problem I had while compiling nas audio : when the <audio/audiolib.h> file lies in /usr/X11R6/include, a -I/usr/X11R6/include option is needed or the file isn't found.

Date: Fri, 12 Sep 2003 18:04:19 -0400 From: Matthew Danish Subject: patch for k*bsd support I am forwarding this patch from Robert Millan <rmh@debian.org> for supporting K*BSD systems (BSD kernel GNU userland, and hurd) in configure.in.

Date: Sat, 13 Sep 2003 15:50:43 +0300 From: "Mike Gorchak" Subject: QNX fixes improved sound code for the QNX, added workarounds for known bugs, fixed photon detect code. Update .qpg file.

Date: Sun, 14 Sep 2003 17:04:55 -0400 From: Philip D.S. Thoren <pthoren@cs.uml.edu> Reply-To: "sdl@libsdl.org" <sdl@libsdl.org> To: "sdl@libsdl.org" <sdl@libsdl.org> Subject: [SDL] BUG in src/video/windx5/SDL_dx5events.c I tracked down a bug that crashed my program on Windows *all* the time. FILE: src/video/windx5/SDL_dx5events.c FUNCTION: handle_mouse BUG: SDL_PublicSurface is being dereferenced when it is NULL. I added the following to the very begining of handle_mouse and it solved my crashing problems: if (SDL_PublicSurface == NULL) return; ~ Philip D.S. Thoren

SDL_JoystickInit: If malloc() fails, pretend no joysticks were detected.