Support for QNX 7.0 (thanks, Elad!).

Fixes Bugzilla #3686.

Author: icculus

configure.in

@@ -2098,6 +2098,30 @@ AC_HELP_STRING([--enable-video-dummy], [use dummy video driver [[default=yes]]])
     fi
 }
 
+dnl Set up the QNX video driver if enabled
+CheckQNXVideo()
+{
+    if test x$enable_video = xyes; then
+        AC_DEFINE(SDL_VIDEO_DRIVER_QNX, 1, [ ])
+        SOURCES="$SOURCES $srcdir/src/video/qnx/*.c"
+        have_video=yes
+        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lscreen -lEGL -lGLESv2"
+        SUMMARY_video="${SUMMARY_video} qnx"
+    fi
+}
+
+dnl Set up the QNX audio driver if enabled
+CheckQNXAudio()
+{
+    if test x$enable_audio = xyes; then
+        AC_DEFINE(SDL_AUDIO_DRIVER_QSA, 1, [ ])
+        SOURCES="$SOURCES $srcdir/src/audio/qsa/*.c"
+        have_video=yes
+        EXTRA_LDFLAGS="$EXTRA_LDFLAGS -lasound"
+        SUMMARY_audio="${SUMMARY_audio} qsa"
+    fi
+}
+
 dnl Check to see if OpenGL support is desired
 AC_ARG_ENABLE(video-opengl,
 AC_HELP_STRING([--enable-video-opengl], [include OpenGL support [[default=yes]]]),
@@ -2573,6 +2597,10 @@ AC_HELP_STRING([--enable-pthread-sem], [use pthread semaphores [[default=yes]]])
             pthread_cflags="-D_REENTRANT"
             pthread_lib=""
             ;;
+        *-*-nto*)
+            pthread_cflags="-D_REENTRANT"
+            pthread_lib=""
+            ;;
         *)
             pthread_cflags="-D_REENTRANT"
             pthread_lib="-lpthread"
@@ -3017,7 +3045,7 @@ CheckWarnAll
 
 dnl Set up the configuration based on the host platform!
 case "$host" in
-    *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*)
+    *-*-linux*|*-*-uclinux*|*-*-gnu*|*-*-k*bsd*-gnu|*-*-bsdi*|*-*-freebsd*|*-*-dragonfly*|*-*-netbsd*|*-*-openbsd*|*-*-sysv5*|*-*-solaris*|*-*-hpux*|*-*-aix*|*-*-minix*|*-*-nto*)
         case "$host" in
             *-raspberry-linux*)
                 # Raspberry Pi
@@ -3082,6 +3110,9 @@ case "$host" in
             *-*-hpux*)          ARCH=hpux ;;
             *-*-aix*)           ARCH=aix ;;
             *-*-minix*)         ARCH=minix ;;
+            *-*-nto*)           ARCH=nto
+                CheckQNXVideo
+                ;;
         esac
         CheckVisibilityHidden
         CheckDeclarationAfterStatement
@@ -3123,6 +3154,7 @@ case "$host" in
         CheckLinuxVersion
         CheckRPATH
         CheckVivanteVideo
+
         # Set up files for the audio library
         if test x$enable_audio = xyes; then
           case $ARCH in
@@ -3147,6 +3179,9 @@ case "$host" in
                 SUMMARY_audio="${SUMMARY_audio} android"
                 have_audio=yes
             ;;
+            nto)
+                CheckQNXAudio
+            ;;
           esac
         fi
         # Set up files for the joystick library

include/SDL_config.h.in

@@ -317,6 +317,7 @@
 #undef SDL_VIDEO_DRIVER_NACL
 #undef SDL_VIDEO_DRIVER_VIVANTE
 #undef SDL_VIDEO_DRIVER_VIVANTE_VDK
+#undef SDL_VIDEO_DRIVER_QNX
 
 #undef SDL_VIDEO_RENDER_D3D
 #undef SDL_VIDEO_RENDER_D3D11

src/audio/SDL_sysaudio.h

@@ -205,6 +205,7 @@ extern AudioBootStrap FUSIONSOUND_bootstrap;
 extern AudioBootStrap ANDROIDAUDIO_bootstrap;
 extern AudioBootStrap PSPAUDIO_bootstrap;
 extern AudioBootStrap EMSCRIPTENAUDIO_bootstrap;
+extern AudioBootStrap QNX_bootstrap;
 
 #endif /* SDL_sysaudio_h_ */
 

src/audio/qsa/SDL_qsa_audio.c

@@ -370,13 +370,13 @@ QSA_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
         this->hidden->cardno = device->cardno;
         status = snd_pcm_open(&this->hidden->audio_handle,
                               device->cardno, device->deviceno,
-                              iscapture ? SND_PCM_OPEN_PLAYBACK : SND_PCM_OPEN_CAPTURE);
+                              iscapture ? SND_PCM_OPEN_CAPTURE : SND_PCM_OPEN_PLAYBACK);
     } else {
         /* Open system default audio device */
         status = snd_pcm_open_preferred(&this->hidden->audio_handle,
                                         &this->hidden->cardno,
                                         &this->hidden->deviceno,
-                                        iscapture ? SND_PCM_OPEN_PLAYBACK : SND_PCM_OPEN_CAPTURE);
+                                        iscapture ? SND_PCM_OPEN_CAPTURE : SND_PCM_OPEN_PLAYBACK);
     }
 
     /* Check if requested device is opened */
@@ -385,6 +385,7 @@ QSA_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
         return QSA_SetError("snd_pcm_open", status);
     }
 
+#if 0
     if (!QSA_CheckBuggyCards(this, QSA_MMAP_WORKAROUND)) {
         /* Disable QSA MMAP plugin for buggy audio drivers */
         status =
@@ -394,6 +395,7 @@ QSA_OpenDevice(_THIS, void *handle, const char *devname, int iscapture)
             return QSA_SetError("snd_pcm_plugin_set_disable", status);
         }
     }
+#endif
 
     /* Try for a closest match on audio format */
     format = 0;

src/dynapi/SDL_dynapi.c

@@ -216,7 +216,7 @@ static SDL_INLINE void *get_sdlapi_entry(const char *fname, const char *sym)
     return retval;
 }
 
-#elif defined(unix) || defined(__unix__) || defined(__APPLE__) || defined(__HAIKU__)
+#elif defined(unix) || defined(__unix__) || defined(__APPLE__) || defined(__HAIKU__) || defined(__QNX__)
 #include <dlfcn.h>
 static SDL_INLINE void *get_sdlapi_entry(const char *fname, const char *sym)
 {
@@ -302,4 +302,3 @@ SDL_InitDynamicAPI(void)
 #endif  /* SDL_DYNAMIC_API */
 
 /* vi: set ts=4 sw=4 expandtab: */
-

src/video/SDL_sysvideo.h

@@ -390,6 +390,7 @@ extern VideoBootStrap Wayland_bootstrap;
 extern VideoBootStrap NACL_bootstrap;
 extern VideoBootStrap VIVANTE_bootstrap;
 extern VideoBootStrap Emscripten_bootstrap;
+extern VideoBootStrap QNX_bootstrap;
 
 extern SDL_VideoDevice *SDL_GetVideoDevice(void);
 extern int SDL_AddBasicVideoDisplay(const SDL_DisplayMode * desktop_mode);

src/video/SDL_video.c

@@ -111,6 +111,9 @@ static VideoBootStrap *bootstrap[] = {
 #if SDL_VIDEO_DRIVER_EMSCRIPTEN
     &Emscripten_bootstrap,
 #endif
+#if SDL_VIDEO_DRIVER_QNX
+    &QNX_bootstrap,
+#endif
 #if SDL_VIDEO_DRIVER_DUMMY
     &DUMMY_bootstrap,
 #endif