[Spice-devel] [PATCH 10/16] worker: move drawable to display

Jonathon Jongsma jjongsma at redhat.com
Tue Nov 10 09:42:24 PST 2015


I'd like to propose splitting out the changes related to UpgradeItem since
they're not really related. I'll post a split patch.



On Tue, 2015-11-10 at 14:16 +0000, Frediano Ziglio wrote:
> From: Marc-André Lureau <marcandre.lureau at gmail.com>
> 
> ---
>  server/display-channel.h |  24 ++++++++--
>  server/red_worker.c      | 118 ++++++++++++++++++++++------------------------
> -
>  2 files changed, 74 insertions(+), 68 deletions(-)
> 
> diff --git a/server/display-channel.h b/server/display-channel.h
> index 898ff01..1566c21 100644
> --- a/server/display-channel.h
> +++ b/server/display-channel.h
> @@ -273,6 +273,15 @@ void                       monitors_config_unref         
>             (MonitorsCo
>  #define NUM_TRACE_ITEMS (1 << TRACE_ITEMS_SHIFT)
>  #define ITEMS_TRACE_MASK (NUM_TRACE_ITEMS - 1)
>  
> +#define NUM_DRAWABLES 1000
> +typedef struct _Drawable _Drawable;
> +struct _Drawable {
> +    union {
> +        Drawable drawable;
> +        _Drawable *next;
> +    } u;
> +};
> +
>  struct DisplayChannel {
>      CommonChannel common; // Must be the first thing
>  
> @@ -281,16 +290,17 @@ struct DisplayChannel {
>      uint32_t num_renderers;
>      uint32_t renderers[RED_RENDERER_LAST];
>      uint32_t renderer;
> -
> -    Ring current_list; // of TreeItem
> -    uint32_t current_size;
> -
>      int enable_jpeg;
>      int jpeg_quality;
>      int enable_zlib_glz_wrap;
>      int zlib_level;
>  
> -    RedCompressBuf *free_compress_bufs;
> +    Ring current_list; // of TreeItem
> +    uint32_t current_size;
> +
> +    uint32_t drawable_count;
> +    _Drawable drawables[NUM_DRAWABLES];
> +    _Drawable *free_drawables;
>  
>      int stream_video;
>      uint32_t stream_count;
> @@ -302,6 +312,7 @@ struct DisplayChannel {
>      uint64_t streams_size_total;
>  
>      ImageCache image_cache;
> +    RedCompressBuf *free_compress_bufs;
>  
>  #ifdef RED_STATISTICS
>      uint64_t *cache_hits_counter;
> @@ -344,5 +355,8 @@ void                       display_channel_attach_stream  
>            (DisplayCha
>  int                        display_channel_get_streams_timeout      
>  (DisplayChannel *display);
>  void                       display_channel_compress_stats_print      (const
> DisplayChannel *display);
>  void                       display_channel_compress_stats_reset     
>  (DisplayChannel *display);
> +void                       display_channel_drawable_unref           
>  (DisplayChannel *display, Drawable *drawable);
> +
> +
>  
>  #endif /* DISPLAY_CHANNEL_H_ */
> diff --git a/server/red_worker.c b/server/red_worker.c
> index 86ce7a1..23c54e8 100644
> --- a/server/red_worker.c
> +++ b/server/red_worker.c
> @@ -300,14 +300,6 @@ struct RedGlzDrawable {
>  pthread_mutex_t glz_dictionary_list_lock = PTHREAD_MUTEX_INITIALIZER;
>  Ring glz_dictionary_list = {&glz_dictionary_list, &glz_dictionary_list};
>  
> -typedef struct _Drawable _Drawable;
> -struct _Drawable {
> -    union {
> -        Drawable drawable;
> -        _Drawable *next;
> -    } u;
> -};
> -
>  typedef struct DrawContext {
>      SpiceCanvas *canvas;
>      int canvas_draws_on_surface;
> @@ -332,8 +324,6 @@ typedef struct RedSurface {
>      QXLReleaseInfoExt create, destroy;
>  } RedSurface;
>  
> -#define NUM_DRAWABLES 1000
> -
>  typedef struct RedWorker {
>      pthread_t thread;
>      clockid_t clockid;
> @@ -354,14 +344,10 @@ typedef struct RedWorker {
>      uint32_t n_surfaces;
>      SpiceImageSurfaces image_surfaces;
>  
> -    uint32_t drawable_count;
>      uint32_t red_drawable_count;
>      uint32_t glz_drawable_count;
>      uint32_t bits_unique;
>  
> -    _Drawable drawables[NUM_DRAWABLES];
> -    _Drawable *free_drawables;
> -
>      RedMemSlotInfo mem_slots;
>  
>      SpiceImageCompression image_compression;
> @@ -435,7 +421,6 @@ static void red_draw_drawable(RedWorker *worker, Drawable
> *item);
>  static void red_update_area(RedWorker *worker, const SpiceRect *area, int
> surface_id);
>  static void red_update_area_till(RedWorker *worker, const SpiceRect *area,
> int surface_id,
>                                   Drawable *last);
> -static void red_worker_drawable_unref(RedWorker *worker, Drawable *drawable);
>  static void detach_stream(DisplayChannel *display, Stream *stream, int
> detach_sized);
>  static inline void display_channel_stream_maintenance(DisplayChannel
> *display, Drawable *candidate, Drawable *sect);
>  static inline void display_begin_send_message(RedChannelClient *rcc);
> @@ -635,7 +620,7 @@ DrawablePipeItem *drawable_pipe_item_ref(DrawablePipeItem
> *dpi)
>  
>  void drawable_pipe_item_unref(DrawablePipeItem *dpi)
>  {
> -    RedWorker *worker = DCC_TO_WORKER(dpi->dcc);
> +    DisplayChannel *display = DCC_TO_DC(dpi->dcc);
>  
>      if (--dpi->refs != 0) {
>          return;
> @@ -643,7 +628,7 @@ void drawable_pipe_item_unref(DrawablePipeItem *dpi)
>  
>      spice_warn_if_fail(!ring_item_is_linked(&dpi->dpi_pipe_item.link));
>      spice_warn_if_fail(!ring_item_is_linked(&dpi->base));
> -    red_worker_drawable_unref(worker, dpi->drawable);
> +    display_channel_drawable_unref(display, dpi->drawable);
>      free(dpi);
>  }
>  
> @@ -869,12 +854,12 @@ static void release_image_item(ImageItem *item)
>      }
>  }
>  
> -static void release_upgrade_item(RedWorker* worker, UpgradeItem *item)
> +static void upgrade_item_unref(DisplayChannel *display, UpgradeItem *item)
>  {
>      if (--item->refs != 0)
>          return;
>  
> -    red_worker_drawable_unref(worker, item->drawable);
> +    display_channel_drawable_unref(display, item->drawable);
>      free(item->rects);
>      free(item);
>  }
> @@ -912,30 +897,33 @@ static void red_reset_palette_cache(DisplayChannelClient
> *dcc)
>      red_palette_cache_reset(dcc, CLIENT_PALETTE_CACHE_SIZE);
>  }
>  
> -static inline Drawable *alloc_drawable(RedWorker *worker)
> +static Drawable* drawable_try_new(DisplayChannel *display)
>  {
>      Drawable *drawable;
> -    if (!worker->free_drawables) {
> +
> +    if (!display->free_drawables)
>          return NULL;
> -    }
> -    drawable = &worker->free_drawables->u.drawable;
> -    worker->free_drawables = worker->free_drawables->u.next;
> +
> +    drawable = &display->free_drawables->u.drawable;
> +    display->free_drawables = display->free_drawables->u.next;
> +    display->drawable_count++;
> +
>      return drawable;
>  }
>  
> -static inline void free_drawable(RedWorker *worker, Drawable *item)
> +static void drawable_free(DisplayChannel *display, Drawable *drawable)
>  {
> -    ((_Drawable *)item)->u.next = worker->free_drawables;
> -    worker->free_drawables = (_Drawable *)item;
> +    ((_Drawable *)drawable)->u.next = display->free_drawables;
> +    display->free_drawables = (_Drawable *)drawable;
>  }
>  
> -static void drawables_init(RedWorker *worker)
> +static void drawables_init(DisplayChannel *display)
>  {
>      int i;
>  
> -    worker->free_drawables = NULL;
> +    display->free_drawables = NULL;
>      for (i = 0; i < NUM_DRAWABLES; i++) {
> -        free_drawable(worker, &worker->drawables[i].u.drawable);
> +        drawable_free(display, &display->drawables[i].u.drawable);
>      }
>  }
>  
> @@ -1031,7 +1019,7 @@ static void remove_depended_item(DependItem *item)
>      ring_remove(&item->ring_item);
>  }
>  
> -static void drawable_unref_surface_deps(RedWorker *worker, Drawable
> *drawable)
> +static void drawable_unref_surface_deps(DisplayChannel *display, Drawable
> *drawable)
>  {
>      int x;
>      int surface_id;
> @@ -1041,11 +1029,11 @@ static void drawable_unref_surface_deps(RedWorker
> *worker, Drawable *drawable)
>          if (surface_id == -1) {
>              continue;
>          }
> -        red_surface_unref(worker, surface_id);
> +        red_surface_unref(COMMON_CHANNEL(display)->worker, surface_id);
>      }
>  }
>  
> -static void remove_drawable_dependencies(RedWorker *worker, Drawable
> *drawable)
> +static void drawable_remove_dependencies(DisplayChannel *display, Drawable
> *drawable)
>  {
>      int x;
>      int surface_id;
> @@ -1058,7 +1046,7 @@ static void remove_drawable_dependencies(RedWorker
> *worker, Drawable *drawable)
>      }
>  }
>  
> -static void red_worker_drawable_unref(RedWorker *worker, Drawable *drawable)
> +void display_channel_drawable_unref(DisplayChannel *display, Drawable
> *drawable)
>  {
>      RingItem *item, *next;
>  
> @@ -1069,21 +1057,21 @@ static void red_worker_drawable_unref(RedWorker
> *worker, Drawable *drawable)
>      spice_warn_if_fail(ring_is_empty(&drawable->pipes));
>  
>      if (drawable->stream) {
> -        detach_stream(worker->display_channel, drawable->stream, TRUE);
> +        detach_stream(display, drawable->stream, TRUE);
>      }
>      region_destroy(&drawable->tree_item.base.rgn);
>  
> -    remove_drawable_dependencies(worker, drawable);
> -    drawable_unref_surface_deps(worker, drawable);
> -    red_surface_unref(worker, drawable->surface_id);
> +    drawable_remove_dependencies(display, drawable);
> +    drawable_unref_surface_deps(display, drawable);
> +    red_surface_unref(COMMON_CHANNEL(display)->worker, drawable->surface_id);
>  
>      RING_FOREACH_SAFE(item, next, &drawable->glz_ring) {
>          SPICE_CONTAINEROF(item, RedGlzDrawable, drawable_link)->drawable =
> NULL;
>          ring_remove(item);
>      }
> -    red_drawable_unref(worker, drawable->red_drawable, drawable->group_id);
> -    free_drawable(worker, drawable);
> -    worker->drawable_count--;
> +    red_drawable_unref(COMMON_CHANNEL(display)->worker, drawable
> ->red_drawable, drawable->group_id);
> +    drawable_free(display, drawable);
> +    display->drawable_count--;
>  }
>  
>  static inline void remove_shadow(DrawItem *item)
> @@ -1172,7 +1160,7 @@ static inline void current_remove_drawable(RedWorker
> *worker, Drawable *item)
>      ring_remove(&item->tree_item.base.siblings_link);
>      ring_remove(&item->list_link);
>      ring_remove(&item->surface_list_link);
> -    red_worker_drawable_unref(worker, item);
> +    display_channel_drawable_unref(display, item);
>      display->current_size--;
>  }
>  
> @@ -2334,6 +2322,7 @@ static inline int
> is_drawable_independent_from_surfaces(Drawable *drawable)
>  
>  static inline int red_current_add_equal(RedWorker *worker, DrawItem *item,
> TreeItem *other)
>  {
> +    DisplayChannel *display  = worker->display_channel;
>      DrawItem *other_draw_item;
>      Drawable *drawable;
>      Drawable *other_drawable;
> @@ -2363,7 +2352,7 @@ static inline int red_current_add_equal(RedWorker
> *worker, DrawItem *item, TreeI
>              red_pipes_add_drawable(worker, drawable);
>          }
>          red_pipes_remove_drawable(other_drawable);
> -        red_worker_drawable_unref(worker, other_drawable);
> +        display_channel_drawable_unref(display, other_drawable);
>          return TRUE;
>      }
>  
> @@ -2406,7 +2395,7 @@ static inline int red_current_add_equal(RedWorker
> *worker, DrawItem *item, TreeI
>              /* not sending other_drawable where possible */
>              red_pipes_remove_drawable(other_drawable);
>  
> -            red_worker_drawable_unref(worker, other_drawable);
> +            display_channel_drawable_unref(display, other_drawable);
>              return TRUE;
>          }
>          break;
> @@ -2879,6 +2868,7 @@ static bool free_one_drawable(RedWorker *worker, int
> force_glz_free)
>  static Drawable *get_drawable(RedWorker *worker, uint8_t effect, RedDrawable
> *red_drawable,
>                                uint32_t group_id)
>  {
> +    DisplayChannel *display = worker->display_channel;
>      Drawable *drawable;
>      int x;
>  
> @@ -2893,12 +2883,12 @@ static Drawable *get_drawable(RedWorker *worker,
> uint8_t effect, RedDrawable *re
>          }
>      }
>  
> -    while (!(drawable = alloc_drawable(worker))) {
> -        if (!free_one_drawable(worker, FALSE))
> +    while (!(drawable = drawable_try_new(display))) {
> +        if (!free_one_drawable(COMMON_CHANNEL(display)->worker, FALSE))
>              return NULL;
>      }
> -    worker->drawable_count++;
> -    memset(drawable, 0, sizeof(Drawable));
> +
> +    bzero(drawable, sizeof(Drawable));
>      drawable->refs = 1;
>      drawable->creation_time = red_get_monotonic_time();
>      ring_item_init(&drawable->list_link);
> @@ -2995,6 +2985,7 @@ static inline void
> red_inc_surfaces_drawable_dependencies(RedWorker *worker, Dra
>  static inline void red_process_draw(RedWorker *worker, RedDrawable
> *red_drawable,
>                                      uint32_t group_id)
>  {
> +    DisplayChannel *display = worker->display_channel;
>      int surface_id;
>      Drawable *drawable = get_drawable(worker, red_drawable->effect,
> red_drawable, group_id);
>  
> @@ -3045,7 +3036,7 @@ static inline void red_process_draw(RedWorker *worker,
> RedDrawable *red_drawable
>          red_pipes_add_drawable(worker, drawable);
>      }
>  cleanup:
> -    red_worker_drawable_unref(worker, drawable);
> +    display_channel_drawable_unref(display, drawable);
>  }
>  
>  static inline void red_create_surface(RedWorker *worker, uint32_t
> surface_id,uint32_t width,
> @@ -3374,13 +3365,14 @@ static void red_update_area_till(RedWorker *worker,
> const SpiceRect *area, int s
>             that red_update_area is called for, Otherwise, 'now' would have
> already been rendered.
>             See the call for red_handle_depends_on_target_surface in
> red_process_draw */
>          red_draw_drawable(worker, now);
> -        red_worker_drawable_unref(worker, now);
> +        display_channel_drawable_unref(display, now);
>      } while (now != surface_last);
>      validate_area(worker, area, surface_id);
>  }
>  
>  static void red_update_area(RedWorker *worker, const SpiceRect *area, int
> surface_id)
>  {
> +    DisplayChannel *display = worker->display_channel;
>      RedSurface *surface;
>      Ring *ring;
>      RingItem *ring_item;
> @@ -3427,7 +3419,7 @@ static void red_update_area(RedWorker *worker, const
> SpiceRect *area, int surfac
>          current_remove_drawable(worker, now);
>          container_cleanup(worker, container);
>          red_draw_drawable(worker, now);
> -        red_worker_drawable_unref(worker, now);
> +        display_channel_drawable_unref(display, now);
>      } while (now != last);
>      validate_area(worker, area, surface_id);
>  }
> @@ -3612,7 +3604,7 @@ static void red_free_some(RedWorker *worker)
>      DisplayChannelClient *dcc;
>      RingItem *item, *next;
>  
> -    spice_debug("#draw=%d, #red_draw=%d, #glz_draw=%d", worker
> ->drawable_count,
> +    spice_debug("#draw=%d, #red_draw=%d, #glz_draw=%d", display
> ->drawable_count,
>                  worker->red_drawable_count, worker->glz_drawable_count);
>      FOREACH_DCC(worker->display_channel, item, next, dcc) {
>          GlzSharedDictionary *glz_dict = dcc ? dcc->glz_dict : NULL;
> @@ -7579,7 +7571,7 @@ void red_show_tree(RedWorker *worker)
>  
>  static void display_channel_client_on_disconnect(RedChannelClient *rcc)
>  {
> -    DisplayChannel *display_channel;
> +    DisplayChannel *display;
>      DisplayChannelClient *dcc = RCC_TO_DCC(rcc);
>      CommonChannel *common;
>      RedWorker *worker;
> @@ -7590,9 +7582,9 @@ static void
> display_channel_client_on_disconnect(RedChannelClient *rcc)
>      spice_info(NULL);
>      common = SPICE_CONTAINEROF(rcc->channel, CommonChannel, base);
>      worker = common->worker;
> -    display_channel = (DisplayChannel *)rcc->channel;
> -    spice_assert(display_channel == worker->display_channel);
> -    display_channel_compress_stats_print(display_channel);
> +    display = (DisplayChannel *)rcc->channel;
> +    spice_assert(display == worker->display_channel);
> +    display_channel_compress_stats_print(display);
>      pixmap_cache_unref(dcc->pixmap_cache);
>      dcc->pixmap_cache = NULL;
>      red_release_glz(dcc);
> @@ -7604,10 +7596,10 @@ static void
> display_channel_client_on_disconnect(RedChannelClient *rcc)
>  
>      // this was the last channel client
>      if (!red_channel_is_connected(rcc->channel)) {
> -        red_display_destroy_compress_bufs(display_channel);
> +        red_display_destroy_compress_bufs(display);
>      }
>      spice_debug("#draw=%d, #red_draw=%d, #glz_draw=%d",
> -                worker->drawable_count, worker->red_drawable_count,
> +                display->drawable_count, worker->red_drawable_count,
>                  worker->glz_drawable_count);
>  }
>  
> @@ -8658,7 +8650,7 @@ static void
> display_channel_client_release_item_after_push(DisplayChannelClient
>          display_stream_clip_unref(display, (StreamClipItem *)item);
>          break;
>      case PIPE_ITEM_TYPE_UPGRADE:
> -        release_upgrade_item(DCC_TO_WORKER(dcc), (UpgradeItem *)item);
> +        upgrade_item_unref(display, (UpgradeItem *)item);
>          break;
>      case PIPE_ITEM_TYPE_IMAGE:
>          release_image_item((ImageItem *)item);
> @@ -8706,7 +8698,7 @@ static void
> display_channel_client_release_item_before_push(DisplayChannelClient
>          break;
>      }
>      case PIPE_ITEM_TYPE_UPGRADE:
> -        release_upgrade_item(DCC_TO_WORKER(dcc), (UpgradeItem *)item);
> +        upgrade_item_unref(display, (UpgradeItem *)item);
>          break;
>      case PIPE_ITEM_TYPE_IMAGE:
>          release_image_item((ImageItem *)item);
> @@ -8818,6 +8810,7 @@ static void display_channel_create(RedWorker *worker,
> int migrate)
>      init_streams(display_channel);
>      image_cache_init(&display_channel->image_cache);
>      ring_init(&display_channel->current_list);
> +    drawables_init(display_channel);
>  }
>  
>  static void guest_set_client_capabilities(RedWorker *worker)
> @@ -9378,7 +9371,7 @@ static void handle_dev_oom(void *opaque, void *payload)
>      spice_assert(worker->running);
>      // streams? but without streams also leak
>      spice_debug("OOM1 #draw=%u, #red_draw=%u, #glz_draw=%u current %u pipes
> %u",
> -                worker->drawable_count,
> +                display->drawable_count,
>                  worker->red_drawable_count,
>                  worker->glz_drawable_count,
>                  display->current_size,
> @@ -9392,7 +9385,7 @@ static void handle_dev_oom(void *opaque, void *payload)
>          worker->qxl->st->qif->flush_resources(worker->qxl);
>      }
>      spice_debug("OOM2 #draw=%u, #red_draw=%u, #glz_draw=%u current %u pipes
> %u",
> -                worker->drawable_count,
> +                display->drawable_count,
>                  worker->red_drawable_count,
>                  worker->glz_drawable_count,
>                  display->current_size,
> @@ -9943,7 +9936,6 @@ RedWorker* red_worker_new(QXLInstance *qxl,
> RedDispatcher *red_dispatcher)
>      worker->zlib_glz_state = zlib_glz_state;
>      worker->driver_cap_monitors_config = 0;
>      image_surface_init(worker);
> -    drawables_init(worker);
>      stat_init(&worker->add_stat, add_stat_name);
>      stat_init(&worker->exclude_stat, exclude_stat_name);
>      stat_init(&worker->__exclude_stat, __exclude_stat_name);


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