forked from enlightenment/efl
ee-wayland: use frame callbacks exclusively to determine render timing
when running in a wayland compositor, the ideal mode of operation is to only prepare/send frames when the compositor has finished with the previous frame to achieve this, manual rendering can be toggled upon creating and completing a frame callback, ensuring that a canvas never has multiple pending buffers at any given time fix T2784
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@ -1263,12 +1263,13 @@ _ecore_evas_wl_common_pre_render(Ecore_Evas *ee)
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static void
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_anim_cb_animate(void *data, struct wl_callback *callback, uint32_t serial EINA_UNUSED)
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{
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Ecore_Evas_Engine_Wl_Data *wdata = data;
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if ((wdata->anim_callback) && (callback != wdata->anim_callback)) return;
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Ecore_Evas *ee = data;
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Ecore_Evas_Engine_Wl_Data *wdata;
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wdata = ee->engine.data;
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wl_callback_destroy(callback);
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wdata->anim_callback = NULL;
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ecore_evas_manual_render_set(ee, 0);
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}
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static const struct wl_callback_listener _anim_listener =
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@ -1276,6 +1277,18 @@ static const struct wl_callback_listener _anim_listener =
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_anim_cb_animate
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};
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void
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_ecore_evas_wl_common_render_pre(void *data, Evas *evas EINA_UNUSED, void *event EINA_UNUSED)
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{
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Ecore_Evas *ee = data;
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Ecore_Evas_Engine_Wl_Data *wdata;
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wdata = ee->engine.data;
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wdata->anim_callback = wl_surface_frame(ecore_wl_window_surface_get(wdata->win));
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wl_callback_add_listener(wdata->anim_callback, &_anim_listener, ee);
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ecore_evas_manual_render_set(ee, 1);
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}
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void
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_ecore_evas_wl_common_render_updates(void *data, Evas *evas EINA_UNUSED, void *event)
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{
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@ -1286,13 +1299,7 @@ _ecore_evas_wl_common_render_updates(void *data, Evas *evas EINA_UNUSED, void *e
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ee->in_async_render = EINA_FALSE;
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if (_ecore_evas_wl_common_render_updates_process(ee, ev->updated_area))
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{
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Ecore_Evas_Engine_Wl_Data *wdata = ee->engine.data;
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wdata->anim_callback = wl_surface_frame(ecore_wl_window_surface_get(wdata->win));
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wl_callback_add_listener(wdata->anim_callback, &_anim_listener, wdata);
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}
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_ecore_evas_wl_common_render_updates_process(ee, ev->updated_area);
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if (ee->delayed.alpha_changed)
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{
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@ -227,6 +227,9 @@ ecore_evas_wayland_egl_new_internal(const char *disp_name, unsigned int parent,
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evas_event_callback_add(ee->evas, EVAS_CALLBACK_RENDER_POST,
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_ecore_evas_wl_common_render_updates, ee);
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evas_event_callback_add(ee->evas, EVAS_CALLBACK_RENDER_PRE,
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_ecore_evas_wl_common_render_pre, ee);
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/* FIXME: This needs to be set based on theme & scale */
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if (ee->prop.draw_frame)
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evas_output_framespace_set(ee->evas, fx, fy, fw, fh);
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@ -74,6 +74,7 @@ void _ecore_evas_wl_common_post_render(Ecore_Evas *ee);
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int _ecore_evas_wl_common_render(Ecore_Evas *ee);
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void _ecore_evas_wl_common_screen_geometry_get(const Ecore_Evas *ee, int *x, int *y, int *w, int *h);
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void _ecore_evas_wl_common_screen_dpi_get(const Ecore_Evas *ee, int *xdpi, int *ydpi);
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void _ecore_evas_wl_common_render_pre(void *data, Evas *evas EINA_UNUSED, void *event);
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void _ecore_evas_wl_common_render_updates(void *data, Evas *evas, void *event);
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void _ecore_evas_wl_common_rotation_set(Ecore_Evas *ee, int rotation, int resize);
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void _ecore_evas_wl_common_borderless_set(Ecore_Evas *ee, Eina_Bool on);
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@ -222,6 +222,9 @@ ecore_evas_wayland_shm_new_internal(const char *disp_name, unsigned int parent,
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evas_event_callback_add(ee->evas, EVAS_CALLBACK_RENDER_POST,
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_ecore_evas_wl_common_render_updates, ee);
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evas_event_callback_add(ee->evas, EVAS_CALLBACK_RENDER_PRE,
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_ecore_evas_wl_common_render_pre, ee);
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/* FIXME: This needs to be set based on theme & scale */
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if (ee->prop.draw_frame)
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evas_output_framespace_set(ee->evas, fx, fy, fw, fh);
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