Fix reinitialization of the threaded gl drivers

Author: viachaslavic

gfx/drivers/gl2.c

@@ -5185,11 +5185,13 @@ static int video_texture_unload_wrap_gl2(void *data)
 {
    GLuint  glid;
    uintptr_t id = (uintptr_t)data;
+#if 0
+   /*FIXME: crash on reinit*/
    gl2_t    *gl = (gl2_t*)video_driver_get_ptr();
 
    if (gl && gl->ctx_driver->make_current)
       gl->ctx_driver->make_current(false);
-
+#endif
    glid = (GLuint)id;
    glDeleteTextures(1, &glid);
    return 0;

gfx/video_thread_wrapper.c

@@ -363,7 +363,7 @@ static bool video_thread_handle_packet(
          /* Never reply on no command. Possible deadlock if
           * thread sends command right after frame update. */
          break;
-         
+
       case CMD_POKE_SET_HDR_MAX_NITS:
          if (thr->driver_data && thr->poke && thr->poke->set_hdr_max_nits)
             thr->poke->set_hdr_max_nits(
@@ -372,7 +372,7 @@ static bool video_thread_handle_packet(
             );
          video_thread_reply(thr, &pkt);
          break;
-         
+
       case CMD_POKE_SET_HDR_PAPER_WHITE_NITS:
          if (thr->driver_data &&
                thr->poke && thr->poke->set_hdr_paper_white_nits)
@@ -382,7 +382,7 @@ static bool video_thread_handle_packet(
             );
          video_thread_reply(thr, &pkt);
          break;
-         
+
       case CMD_POKE_SET_HDR_CONTRAST:
          if (thr->driver_data && thr->poke && thr->poke->set_hdr_contrast)
             thr->poke->set_hdr_contrast(
@@ -391,7 +391,7 @@ static bool video_thread_handle_packet(
             );
          video_thread_reply(thr, &pkt);
          break;
-         
+
       case CMD_POKE_SET_HDR_EXPAND_GAMUT:
          if (thr->driver_data && thr->poke && thr->poke->set_hdr_expand_gamut)
             thr->poke->set_hdr_expand_gamut(
@@ -457,7 +457,7 @@ static void video_thread_loop(void *data)
                video_frame_info_t video_info;
                bool               ret;
 
-               /* TODO/FIXME - not thread-safe - should get 
+               /* TODO/FIXME - not thread-safe - should get
                 * rid of this */
                video_driver_build_info(&video_info);
 
@@ -508,7 +508,7 @@ static bool video_thread_alive(void *data)
 
    if (!thr)
       return false;
-   
+
    runloop_flags       = runloop_get_flags();
 
    if (runloop_flags & RUNLOOP_FLAG_PAUSED)
@@ -1434,7 +1434,7 @@ unsigned video_thread_texture_handle(void *data, custom_command_method_t func)
 
    /* if we're already on the video thread, just call the function, otherwise
     * we may deadlock with ourself waiting for the packet to be processed. */
-   if (sthread_get_thread_id(thr->thread) == sthread_get_current_thread_id())
+   if (sthread_get_thread_id(thr->thread) == sthread_get_current_thread_id() || !thr->alive)
       return func(data);
 
    pkt.type                       = CMD_CUSTOM_COMMAND;