Date: Fri, 15 Aug 2003 09:13:59 +0300

From: "Mike Gorchak"
Subject: Patches for tests and QNX6

Here more fixes for the QNX6 in sdlqnx.diff file:

- Spellchecked README.QNX (thanks to Julian Kinraid)
- Fixed bugs in fullscreen mode: window region wasn't on top by default, so \
it caused some artifacts to be appeared on the screen, prevent window conten\
ts default filler in Photon while in fullscreen mode, it damages the screen.
- Added support for the SDL_VIDEO_WINDOW_POS, SDL_VIDEO_CENTERED env variabl\
es.
- Some minor code restructurization.

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%40693

BUGS

@@ -142,7 +142,7 @@ EPOC:
     No console output screen. Printing to stdout do not have any effect.
 
 QNX:
-	Fullscreen switch doesn't work correctly.
+	Fullscreen switch doesn't work (disabled for now).
  
 
 OpenBSD:  -= NOT YET SUPPORTED =-

README.QNX

 README by Mike Gorchak <mike@malva.ua>, <lestat@i.com.ua>
-Last changed at 29 Jul 2003.
+Last changed at 12 Aug 2003.
 
-=========================================================================
+======================================================================
 OpenGL:
 
-    OpenGL in window mode  works well  and  stable, in fullscreen
-mode too, but fullscreen mode has not been heavily tested yet.
-    If you have QNX RtP version 6.1.0 and above you must download
-new Photon3D runtime from http://developers.qnx.com or install it
-from public repository or from public CD, available with QNX. The
-versions of OS before 6.1.0 are not supported.
-    While  creating  OpenGL  context  software  renderer  mode is
-artificially selected (QSSL  made  acceleration  only for  Voodoo
-boards in fullscreen mode, sorry but I  don't have  this board to
-test OpenGL - maybe it work or maybe not :)). If you want accele-
-ration - you may remove some line in source code: find  the  file
-SDL_ph_video.c and remove the following
+    OpenGL works well and is stable, but fullscreen mode has not  been
+heavily tested yet.
+    If you have QNX RtP version 6.1.0 or above you must  download  the
+Photon3D runtime from http://developers.qnx.com or install it from the
+public repository or the  public CD, available  with  QNX. OS versions
+below 6.1.0 are not supported.
+    When creating an OpenGL context, software renderer mode is artifi-
+cially selected (QSSL made acceleration  only  for  Voodoo  boards  in
+fullscreen mode, sorry but I don't have this board  to  test  OpenGL -
+maybe it works or maybe not :)). If you  want  acceleration - you  can
+remove one line in the source code: find the  file SDL_ph_video.c  and
+remove the following
 
     OGLAttrib[OGLargc++]=PHOGL_ATTRIB_FORCE_SW;
      
-line in the ph_SetupOpenGLContext() function or  change  argument
-to the PHOGL_ATTRIB_FORCE_HW or PHOGL_ATTRIB_FAVOR_HW.
+line in the ph_SetupOpenGLContext() function or change the argument to
+PHOGL_ATTRIB_FORCE_HW or PHOGL_ATTRIB_FAVOR_HW.
 
-=========================================================================
-Wheel and multibutton mouses:
+======================================================================
+Wheel and multi-button mouses:
 
-    Photon emitting keyboard events (key up and down) when  moved
-mouse wheel. But key_scan field appears valid according to flags,
-and it contain zero. It is base method of detecting  mouse  wheel
-events under photon. It looks like a hack, but it works for me :)
-on different PC configurations.
+    Photon emits  keyboard  events (key up and down)  when  the  mouse
+wheel is moved. The key_scan field appears valid, and it contains zero.
+That is a basic method of detecting  mouse  wheel events under Photon.
+It looks like a hack, but it works for me :) on various PC  configura-
+tions.
 
-I'm tested it on:
+I've tested it on:
 
 1. Genius Optical NetScroll/+ (1 wheel)
-2. A4Tech Optical GreatEye WheelMouse, model: WOP-35. (2 wheels +
-   2 additional buttons). Wheel for vertical scrolling  works  as
-   usual, but second wheel for horizontal scrolling emitting  two
-   consequented events up or down, so it can  provide  more  fast
-   scrolling then the  first  wheel. Additional  buttons  doesn't
-   emitting any events, but its look like  handled by  photon  in
-   unusual way - like click to front, but works not with any win-
-   dow, looks like bug-o-feature :).
-
-=========================================================================
+2. A4Tech Optical  GreatEye  WheelMouse,  model: WOP-35. (2 wheels + 2
+   additional buttons). The wheel for vertical scrolling works as usu-
+   al, but the second wheel for horizontal scrolling emits two sequen-
+   tial events up or down, so it can provide faster scrolling than the
+   first wheel. Additional buttons don't emit any events, but it looks
+   like they're handled by photon in an unusual  way - like  click  to
+   front, but works not with any window, looks like bug-o-feature :).
+
+======================================================================
 CDROM handling issues:
 
-    Access to CDROM can be provided only with 'root'  previleges.
-I can't do anything with this fact. /dev/cd0 have  the brw-------
-flags and root:root rights.
+    Access to CDROM can only be  provided  with  'root'  privileges. I
+can't do anything about that, /dev/cd0 has brw------- permissions  and
+root:root rights.
 
-=========================================================================
+======================================================================
 Video Overlays:
 
-    Overlays can flickering during the window movement, resizing,
-etc. It happens because photon driver  updates  the  real  window
-contents behind the overlay, then draws the temporary  chroma key
-color over window contents. It can be done without the chroma key
-using but it cause overlay will be  always  on top. So flickering
-during the movement much better in that case.
-    Double buffering code temporary disabled in the photon driver
-code, beacuse on my GF2-MX it  cause  accidently  buffer  switch,
-which going to the old frame showing. S3 Savage3D have  the  same
-problem, but ATI Rage 128 has not this problem. I think it can be
-fixed later. Current code works very fine, so maybe double buffe-
-ring is not needed right now.
-    Something strange appears when you tried to move window  with
-overlay beyond the left border of the screen. Overlay  trying  to
-stay at position x=0, but when tried to move  it  a  bit  more it
-jumps  at  posituin  x=-60. Really  strange, looks  like  overlay
-doesn't love the negotive coordinates.
-
-=========================================================================
+    Overlays can flicker  during  window  movement,  resizing, etc. It
+happens because the photon driver updates the real window contents be-
+hind the overlay, then draws the temporary chroma key color  over  the
+window contents. It can be done without using the chroma key but  that
+causes the overlay to always be on top. So  flickering  during  window
+movement is preferred instead.
+    Double buffering code is temporarily disabled in the photon driver
+code, because on my GF2-MX it can accidentally cause a buffer  switch,
+which causes the old frame to show. S3 Savage4 has the  same  problem,
+but ATI Rage 128 doesn't. I think it can be fixed later. Current  code
+works very well, so maybe double buffering is not needed right now.
+    Something strange happens when you try to move the window with the
+overlay beyond the left border  of the screen. The  overlay  tries  to
+stay at position x=0, but when attempting to move it  a  bit  more  it
+jumps to position x=-60 (on GF2-MX, on ATI Rage128 this  value  a  bit
+smaller). It's really strange, looks  like  the  overlay  doesn't like
+negative coordinates.
+
+=======================================================================
 Shared library building:
 
-    Shared  library can be  built, but before  running autogen.sh
-script you  need  manually  delete  the  libtool  m4  stuff  from
-the acinclude.m4 file (it comes after ESD  detection  code  up to
-end of the file). Because libtool stuff in the  acinclude.m4 file
-very old and doesn't know anything about the QNX. Just  remove it
-and run autogen.sh script.
+    A shared library can be built, but before running  the  autogen.sh
+script you must manually delete the libtool.m4 stuff from the acinclu-
+de.m4 file (it comes after the ESD detection code up to the end of the
+file), because the libtool stuff in the acinclude.m4 file is very  old
+and doesn't know anything about QNX. Just remove it and run autogen.sh.
 
-=========================================================================
+======================================================================
 Some building issues:
 
-    Feel free to not pass --disable-shared option  to  configure,
-if you read comment above about 'Shared library building'. Other-
-wise this option is strongly  recomended, because  the sdl-config
-script will be unfunctional.
+    Feel free to not use the --disable-shared configure option if you'
+ve read the above comment about 'Shared  library  building'. Otherwise
+this  option  is  strongly  recommended, as  without it the sdl-config
+script will be broken.
 
-    Run configure script without x11 support, e.g.:
+    Run the configure script without x11 support, e.g.:
 
     a) for OpenGL support:
-    ./configure --prefix=/usr/local \
+    ./configure --prefix=/usr       \
                 --disable-video-x11 \
                 --disable-shared
 
     b) without OpenGL support:
-    ./configure --prefix=/usr/local \
+    ./configure --prefix=/usr       \
                 --disable-video-x11 \
                 --disable-shared    \
                 --disable-video-opengl
 
-    In test directory  also run  ./configure  script  without x11
-support, e.g.:
-
-    ./configure  --with-sdl-prefix=/usr/local      \
-                 --with-sdl-exec-prefix=/usr/local \
-                 --prefix=/usr/local --without-x
-
+    In the test directory also run the ./configure script without
+x11 support, e.g.:
 
+    ./configure  --with-sdl-prefix=/usr            \
+                 --with-sdl-exec-prefix=/usr       \
+                 --prefix=/usr --without-x

src/video/photon/SDL_ph_image.c

@@ -267,6 +267,8 @@ int ph_SetupFullScreenImage(_THIS, SDL_Surface* screen)
 
     this->UpdateRects = ph_OCDCUpdate;
 
+    PgFlush();
+
     return 0;
 }
 

src/video/photon/SDL_ph_modes.c

@@ -297,13 +297,14 @@ int ph_EnterFullScreen(_THIS, SDL_Surface* screen)
 
         currently_fullscreen = 1;
     }
+    PgFlush();
 
     return 1;
 }
 
 int ph_LeaveFullScreen(_THIS)
 {
-    PgDisplaySettings_t mymode_settings;
+    PgDisplaySettings_t oldmode_settings;
        
     if (currently_fullscreen)
     {
@@ -332,11 +333,11 @@ int ph_LeaveFullScreen(_THIS)
             /* Restore old video mode */
             if (old_video_mode != -1)
             {
-                mymode_settings.mode = (unsigned short) old_video_mode;
-                mymode_settings.refresh = (unsigned short) old_refresh_rate;
-                mymode_settings.flags = 0;
+                oldmode_settings.mode = (unsigned short) old_video_mode;
+                oldmode_settings.refresh = (unsigned short) old_refresh_rate;
+                oldmode_settings.flags = 0;
                 
-                if (PgSetVideoMode(&mymode_settings) < 0)
+                if (PgSetVideoMode(&oldmode_settings) < 0)
                 {
                     SDL_SetError("Ph_LeaveFullScreen(): PgSetVideoMode() function failed !\n");
                     return 0;

src/video/photon/SDL_ph_video.c

@@ -194,9 +194,11 @@ static int ph_SetupWindow(_THIS, int w, int h, int flags)
     PhPoint_t   pos = {0, 0};
     PhDim_t     dim = {w, h};
     int         nargs = 0;
+    const char* windowpos;
+    const char* iscentered;
+    int         x, y;
 
     PtSetArg(&args[nargs++], Pt_ARG_DIM, &dim, 0);
-    PtSetArg(&args[nargs++], Pt_ARG_FILL_COLOR, Pg_BLACK, 0);
 
     if ((flags & SDL_RESIZABLE) == SDL_RESIZABLE)
     {
@@ -234,12 +236,36 @@ static int ph_SetupWindow(_THIS, int w, int h, int flags)
     if ((flags & SDL_FULLSCREEN) == SDL_FULLSCREEN)
     {
         PtSetArg(&args[nargs++], Pt_ARG_POS, &pos, 0);
+        PtSetArg(&args[nargs++], Pt_ARG_BASIC_FLAGS, Pt_TRUE, Pt_BASIC_PREVENT_FILL);
         PtSetArg(&args[nargs++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_TRUE, Ph_WM_FFRONT | Ph_WM_MAX);
-        PtSetArg(&args[nargs++], Pt_ARG_WINDOW_STATE, Pt_TRUE, Ph_WM_STATE_ISFRONT | Ph_WM_STATE_ISMAX |
-                                                               Ph_WM_STATE_ISFOCUS | Ph_WM_STATE_ISALTKEY);
+        PtSetArg(&args[nargs++], Pt_ARG_WINDOW_STATE, Pt_TRUE, Ph_WM_STATE_ISFRONT | Ph_WM_STATE_ISFOCUS | Ph_WM_STATE_ISALTKEY);
+    }
+    else
+    {
+        windowpos = getenv("SDL_VIDEO_WINDOW_POS");
+	iscentered = getenv("SDL_VIDEO_CENTERED");
+
+        if ((iscentered) || ((windowpos) && (strcmp(windowpos, "center")==0)))
+        {
+            pos.x = (desktop_mode.width - w)/2;
+            pos.y = (desktop_mode.height - h)/2;
+            PtSetArg(&args[nargs++], Pt_ARG_POS, &pos, 0);
 	}
         else
         {
+            if (windowpos)
+            {
+                if (sscanf(windowpos, "%d,%d", &x, &y) == 2 )
+                {
+                    pos.x=x;
+                    pos.y=y;
+                    PtSetArg(&args[nargs++], Pt_ARG_POS, &pos, 0);
+                }
+	    }
+        }
+
+
+        PtSetArg(&args[nargs++], Pt_ARG_FILL_COLOR, Pg_BLACK, 0);
         PtSetArg(&args[nargs++], Pt_ARG_WINDOW_STATE, Pt_FALSE, Ph_WM_STATE_ISFRONT | Ph_WM_STATE_ISMAX | Ph_WM_STATE_ISALTKEY);
         PtSetArg(&args[nargs++], Pt_ARG_WINDOW_MANAGED_FLAGS, Pt_TRUE, Ph_WM_HIDE);
         PtSetArg(&args[nargs++], Pt_ARG_WINDOW_NOTIFY_FLAGS, Pt_TRUE, Ph_WM_HIDE);
@@ -248,6 +274,7 @@ static int ph_SetupWindow(_THIS, int w, int h, int flags)
 
     PtSetResources(window, nargs, args);
     PtRealizeWidget(window);
+    PtWindowToFront(window);
 
     return 0;
 }
@@ -281,7 +308,6 @@ static const struct ColourMasks* ph_GetColourMasks(int bpp)
 
 static int ph_VideoInit(_THIS, SDL_PixelFormat *vformat)
 {
-    PgVideoModeInfo_t my_mode_info;
     PgHWCaps_t my_hwcaps;
     int i;
 
@@ -325,7 +351,7 @@ static int ph_VideoInit(_THIS, SDL_PixelFormat *vformat)
         return -1;
     }
 
-    if (PgGetVideoModeInfo(my_hwcaps.current_video_mode, &my_mode_info) < 0)
+    if (PgGetVideoModeInfo(my_hwcaps.current_video_mode, &desktop_mode) < 0)
     {
         SDL_SetError("ph_VideoInit(): PgGetVideoModeInfo function failed !\n");
         this->FreeWMCursor(this, SDL_BlankCursor);
@@ -333,9 +359,9 @@ static int ph_VideoInit(_THIS, SDL_PixelFormat *vformat)
     }
 
     /* We need to return BytesPerPixel as it in used by CreateRGBsurface */
-    vformat->BitsPerPixel = my_mode_info.bits_per_pixel;
-    vformat->BytesPerPixel = my_mode_info.bytes_per_scanline/my_mode_info.width;
-    desktopbpp = my_mode_info.bits_per_pixel;
+    vformat->BitsPerPixel = desktop_mode.bits_per_pixel;
+    vformat->BytesPerPixel = desktop_mode.bytes_per_scanline/desktop_mode.width;
+    desktopbpp = desktop_mode.bits_per_pixel;
     
     /* save current palette */
     if (desktopbpp==8)
@@ -434,6 +460,7 @@ static SDL_Surface *ph_SetVideoMode(_THIS, SDL_Surface *current,
             }
 
             current->flags &= ~SDL_RESIZABLE; /* no resize for Direct Context */
+            current->flags |= SDL_HWSURFACE;
         }
         else
         {
@@ -488,6 +515,10 @@ static SDL_Surface *ph_SetVideoMode(_THIS, SDL_Surface *current,
     {
        PtFlush();
     }
+    else
+    {
+       PgFlush();
+    }
 
     SDL_Unlock_EventThread();
 

src/video/photon/SDL_ph_video.h

@@ -72,7 +72,8 @@ struct SDL_PrivateVideoData {
     PgColor_t savedpal[_Pg_MAX_PALETTE];
     PgColor_t syspalph[_Pg_MAX_PALETTE];
 
-    struct {
+    struct
+    {
         PdDirectContext_t*    direct_context;
         PdOffscreenContext_t* offscreen_context;
         PdOffscreenContext_t* offscreen_backcontext;
@@ -86,6 +87,7 @@ struct SDL_PrivateVideoData {
     } ocimage;
 
     PgHWCaps_t graphics_card_caps;  /* Graphics card caps at the moment of start   */
+    PgVideoModeInfo_t desktop_mode; /* Current desktop video mode information      */
     int old_video_mode;             /* Stored mode before fullscreen switch        */
     int old_refresh_rate;           /* Stored refresh rate befor fullscreen switch */
 
@@ -119,6 +121,7 @@ struct SDL_PrivateVideoData {
 #define currently_hided      (this->hidden->currently_hided)
 #define event                (this->hidden->event)
 #define current_overlay      (this->hidden->overlay)
+#define desktop_mode         (this->hidden->desktop_mode)
 
 /* Old variable names */
 #define mouse_relative       (this->hidden->mouse_relative)