Merge branch 'irixxxx'

[libpicofe.git] / plat_sdl.c

diff --git a/plat_sdl.c b/plat_sdl.c
index f10427d..530a9d7 100644 (file)
--- a/plat_sdl.c
+++ b/plat_sdl.c
@@ -24,13 +24,14 @@
 SDL_Surface *plat_sdl_screen;
 SDL_Overlay *plat_sdl_overlay;
 int plat_sdl_gl_active;
+void (*plat_sdl_resize_cb)(int w, int h);
 void (*plat_sdl_quit_cb)(void);
 
 static char vid_drv_name[32];
 static int window_w, window_h;
 static int fs_w, fs_h;
 static int old_fullscreen;
-static int vout_mode_overlay = -1, vout_mode_gl = -1;
+static int vout_mode_overlay = -1, vout_mode_overlay2x = -1, vout_mode_gl = -1;
 static void *display, *window;
 static int gl_quirks;
 
@@ -48,6 +49,16 @@ int plat_sdl_change_video_mode(int w, int h, int force)
   else
     prev_h = h;
 
+  // invalid method might come from config..
+  if (plat_target.vout_method != 0
+      && plat_target.vout_method != vout_mode_overlay
+      && plat_target.vout_method != vout_mode_overlay2x
+      && plat_target.vout_method != vout_mode_gl)
+  {
+    fprintf(stderr, "invalid vout_method: %d\n", plat_target.vout_method);
+    plat_target.vout_method = 0;
+  }
+
   // skip GL recreation if window doesn't change - avoids flicker
   if (plat_target.vout_method == vout_mode_gl && plat_sdl_gl_active
       && plat_target.vout_fullscreen == old_fullscreen && !force)
@@ -76,6 +87,7 @@ int plat_sdl_change_video_mode(int w, int h, int force)
     }
 
     // XXX: workaround some occasional mysterious deadlock in SDL_SetVideoMode
+    // (seen on r-pi)
     SDL_PumpEvents();
 
     plat_sdl_screen = SDL_SetVideoMode(win_w, win_h, 0, flags);
@@ -85,13 +97,17 @@ int plat_sdl_change_video_mode(int w, int h, int force)
     }
   }
 
-  if (plat_target.vout_method == vout_mode_overlay) {
-    plat_sdl_overlay = SDL_CreateYUVOverlay(w, h, SDL_UYVY_OVERLAY, plat_sdl_screen);
-    if (plat_sdl_overlay != NULL) {
+  if (plat_target.vout_method == vout_mode_overlay
+      || plat_target.vout_method == vout_mode_overlay2x) {
+    int W = plat_target.vout_method == vout_mode_overlay2x && w == 320 ? 2*w : w;
+    plat_sdl_overlay = SDL_CreateYUVOverlay(W, h, SDL_UYVY_OVERLAY, plat_sdl_screen);
+    if (plat_sdl_overlay != NULL && SDL_LockYUVOverlay(plat_sdl_overlay) == 0) {
       if ((long)plat_sdl_overlay->pixels[0] & 3)
         fprintf(stderr, "warning: overlay pointer is unaligned\n");
 
       plat_sdl_overlay_clear();
+
+      SDL_UnlockYUVOverlay(plat_sdl_overlay);
     }
     else {
       fprintf(stderr, "warning: could not create overlay.\n");
@@ -109,7 +125,13 @@ int plat_sdl_change_video_mode(int w, int h, int force)
   if (plat_target.vout_method == 0) {
     SDL_PumpEvents();
 
+#if defined SDL_SURFACE_SW
     plat_sdl_screen = SDL_SetVideoMode(w, h, 16, SDL_SWSURFACE);
+#elif defined(SDL_TRIPLEBUF) && defined(SDL_BUFFER_3X)
+    plat_sdl_screen = SDL_SetVideoMode(w, h, 16, SDL_HWSURFACE | SDL_TRIPLEBUF);
+#else
+    plat_sdl_screen = SDL_SetVideoMode(w, h, 16, SDL_HWSURFACE | SDL_DOUBLEBUF);
+#endif
     if (plat_sdl_screen == NULL) {
       fprintf(stderr, "SDL_SetVideoMode failed: %s\n", SDL_GetError());
       return -1;
@@ -117,6 +139,9 @@ int plat_sdl_change_video_mode(int w, int h, int force)
   }
 
   old_fullscreen = plat_target.vout_fullscreen;
+  if (plat_sdl_resize_cb != NULL)
+    plat_sdl_resize_cb(plat_sdl_screen->w, plat_sdl_screen->h);
+
   return 0;
 }
 
@@ -162,12 +187,14 @@ void plat_sdl_event_handler(void *event_)
 
 int plat_sdl_init(void)
 {
-  static const char *vout_list[] = { NULL, NULL, NULL, NULL };
+  static const char *vout_list[] = { NULL, NULL, NULL, NULL, NULL };
   const SDL_VideoInfo *info;
   SDL_SysWMinfo wminfo;
+  const char *env;
   int overlay_works = 0;
   int gl_works = 0;
   int i, ret, h;
+  int try_gl;
 
   ret = SDL_Init(SDL_INIT_VIDEO | SDL_INIT_NOPARACHUTE);
   if (ret != 0) {
@@ -210,6 +237,15 @@ int plat_sdl_init(void)
   }
   g_menuscreen_w = window_w = plat_sdl_screen->w;
   g_menuscreen_h = window_h = plat_sdl_screen->h;
+  g_menuscreen_pp = g_menuscreen_w;
+
+  // overlay/gl require native bpp in some cases..
+  plat_sdl_screen = SDL_SetVideoMode(g_menuscreen_w, g_menuscreen_h,
+    0, plat_sdl_screen->flags);
+  if (plat_sdl_screen == NULL) {
+    fprintf(stderr, "SDL_SetVideoMode failed: %s\n", SDL_GetError());
+    goto fail;
+  }
 
   plat_sdl_overlay = SDL_CreateYUVOverlay(plat_sdl_screen->w, plat_sdl_screen->h,
     SDL_UYVY_OVERLAY, plat_sdl_screen);
@@ -240,10 +276,26 @@ int plat_sdl_init(void)
       window = (void *)wminfo.info.x11.window;
     }
   }
+#else
+  (void)wminfo;
 #endif
 
-  ret = gl_init(display, window, &gl_quirks);
+  ret = -1;
+  try_gl = 1;
+  env = getenv("DISPLAY");
+  if (env && env[0] != ':') {
+    fprintf(stderr, "looks like a remote DISPLAY, "
+      "not trying GL (use PICOFE_GL=1 to override)\n");
+    // because some drivers just kill the program with no way to recover
+    try_gl = 0;
+  }
+  env = getenv("PICOFE_GL");
+  if (env)
+    try_gl = atoi(env);
+  if (try_gl)
+    ret = gl_init(display, window, &gl_quirks);
   if (ret == 0) {
+    gl_announce();
     gl_works = 1;
     gl_finish();
   }
@@ -253,6 +305,10 @@ int plat_sdl_init(void)
   if (overlay_works) {
     plat_target.vout_method = vout_mode_overlay = i;
     vout_list[i++] = "Video Overlay";
+#ifdef SDL_OVERLAY_2X
+    vout_mode_overlay2x = i;
+    vout_list[i++] = "Video Overlay 2x";
+#endif
   }
   if (gl_works) {
     plat_target.vout_method = vout_mode_gl = i;
@@ -260,6 +316,7 @@ int plat_sdl_init(void)
   }
   plat_target.vout_methods = vout_list;
 
+  plat_sdl_change_video_mode(g_menuscreen_w, g_menuscreen_h, 1);
   return 0;
 
 fail: