From 49260889313a5ca454fad1b051775e4343a5028e Mon Sep 17 00:00:00 2001
From: Shinwoo Kim <cinoo.kim@samsung.com>
Date: Fri, 27 Nov 2020 18:03:27 +0900
Subject: [PATCH] evas: support render sync commit

There is a requirement to know display server side commit.
This patch set provides way to get the commit of display server.

[Usage]
https://review.tizen.org/gerrit/#/c/profile/mobile/platform/core/uifw/elm-demo-tizen-mobile/+/240108/

@tizen_only

Change-Id: Ie75465d4e5b3f07ae2a8309b39ea6a6284d416dc
---
 src/lib/evas/Evas_Common.h                         | 18 +++++++++++++
 src/lib/evas/canvas/evas_render.c                  | 23 ++++++++++++++++
 src/lib/evas/include/evas_private.h                |  4 +++
 .../evas/engines/software_generic/evas_engine.c    |  3 +++
 src/modules/evas/engines/wayland_egl/evas_engine.c | 31 ++++++++++++++++++++++
 5 files changed, 79 insertions(+)

diff --git a/src/lib/evas/Evas_Common.h b/src/lib/evas/Evas_Common.h
index 4ecd9fd..df84cf9 100644
--- a/src/lib/evas/Evas_Common.h
+++ b/src/lib/evas/Evas_Common.h
@@ -3481,6 +3481,24 @@ EAPI int                     evas_font_glyph_lru_size_get(void);
  * END *
  *******/
 
+//TIZEN_ONLY(20201127) support evas render sync
+typedef enum _Evas_Render_Sync_Type
+{
+   EVAS_RENDER_SYNC_COMMIT = 0,
+   EVAS_RENDER_SYNC_PRESENT = 1
+} Evas_Render_Sync_Type;
+
+/**
+ * @brief Create a file descriptor for rendering sync for a given evas
+ *
+ * @param obj The evas to create a file descriptor for rendering sync
+ * @return The file descriptor. It must be closed manually  by the caller using `close`
+ *
+ * @ingroup Evas_Canvas
+ */
+EAPI int                     evas_render_sync_fd_create(Evas *obj, Evas_Render_Sync_Type sync_type);
+//
+
 /**
  * @}
  */
diff --git a/src/lib/evas/canvas/evas_render.c b/src/lib/evas/canvas/evas_render.c
index 9d8e405..5a863d8 100644
--- a/src/lib/evas/canvas/evas_render.c
+++ b/src/lib/evas/canvas/evas_render.c
@@ -4133,6 +4133,29 @@ evas_render_updates_free(Eina_List *updates)
       eina_rectangle_free(r);
 }
 
+//TIZEN_ONLY(20201127) support evas render sync
+EAPI int
+evas_render_sync_fd_create(Evas *obj, Evas_Render_Sync_Type sync_type)
+{
+   int fd = -1;
+
+   if (!obj) return fd;
+
+   Evas_Public_Data *e = efl_data_scope_get(obj, EVAS_CANVAS_CLASS);
+   Efl_Canvas_Output *output;
+
+   output = eina_list_data_get(e->outputs);
+   if (!output) return fd;
+
+   if (e->engine.func->render_sync_fd_create)
+     fd = e->engine.func->render_sync_fd_create(output->output, sync_type);
+   else
+     ERR("engine does not support render sync file descriptor");
+
+   return fd;
+}
+//
+
 EOLIAN Eina_Bool
 _evas_canvas_render_async(Eo *eo_e, Evas_Public_Data *e)
 {
diff --git a/src/lib/evas/include/evas_private.h b/src/lib/evas/include/evas_private.h
index ed4cbfa..aea246b 100755
--- a/src/lib/evas/include/evas_private.h
+++ b/src/lib/evas/include/evas_private.h
@@ -1115,6 +1115,10 @@ struct _Evas_Func
 
    void (*font_glyphs_gc_collect)   (void *engine, float ratio, int *texture_size, int *atlas_size, Eina_Bool only_when_requested);
 
+   //TIZEN_ONLY(20201127) support evas render sync
+   int (*render_sync_fd_create) (void *data, Evas_Render_Sync_Type sync_type);
+   //
+
    unsigned int info_size;
 };
 
diff --git a/src/modules/evas/engines/software_generic/evas_engine.c b/src/modules/evas/engines/software_generic/evas_engine.c
index 1ea9e6b..8d27410 100755
--- a/src/modules/evas/engines/software_generic/evas_engine.c
+++ b/src/modules/evas/engines/software_generic/evas_engine.c
@@ -4954,6 +4954,9 @@ static Evas_Func func =
      NULL,
      /* END */
      eng_font_glyphs_gc_collect,
+     //TIZEN_ONLY(20201127) support evas render sync
+     NULL, // render_sync_fd_create
+     //
      0 // sizeof (Info)
 };
 
diff --git a/src/modules/evas/engines/wayland_egl/evas_engine.c b/src/modules/evas/engines/wayland_egl/evas_engine.c
index c442919..453c375 100755
--- a/src/modules/evas/engines/wayland_egl/evas_engine.c
+++ b/src/modules/evas/engines/wayland_egl/evas_engine.c
@@ -1096,6 +1096,34 @@ eng_output_free(void *engine, void *data)
      }
 }
 
+//TIZEN_ONLY(20201127) support evas render sync
+static int
+eng_render_sync_fd_create(void *data, Evas_Render_Sync_Type sync_type)
+{
+   int fd = -1;
+   Render_Engine *re;
+   Outbuf *ob;
+
+   if (!(re = (Render_Engine *)data)) return fd;
+
+   ob = eng_get_ob(re);
+
+   if (!ob || !ob->win) return fd;
+
+   if (sync_type == EVAS_RENDER_SYNC_COMMIT)
+     fd = wl_egl_window_tizen_create_commit_sync_fd(ob->win);
+   else if (sync_type == EVAS_RENDER_SYNC_COMMIT)
+     fd = wl_egl_window_tizen_create_presentation_sync_fd(ob->win);
+   else
+     ERR("invalid render sync type: %d", sync_type);
+
+   if (fd == -1)
+     ERR("does not support render sync file descriptor");
+
+   return fd;
+}
+//
+
 static void
 eng_output_dump(void *engine EINA_UNUSED, void *data)
 {
@@ -1866,6 +1894,9 @@ module_open(Evas_Module *em)
    ORD(gl_error_get);
 
    ORD(gl_get_pixels);
+   //TIZEN_ONLY(20201127) support evas render sync
+   ORD(render_sync_fd_create);
+   //
    evas_gl_thread_link_init();
    symbols();
 
-- 
2.7.4