canvas vg: optimize memory usage in composition.

Ector buffer allocates memory in default,
We don't need to allocate buffer memory additionally to handle over outside.
We can map/unmap ector buffer for reusing this.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/lib/evas/canvas/evas_vg_private.h b/src/lib/evas/canvas/evas_vg_private.h
index c3752b003b..c87753778b 100644
--- a/src/lib/evas/canvas/evas_vg_private.h
+++ b/src/lib/evas/canvas/evas_vg_private.h
@@ -84,6 +84,8 @@ typedef struct _Vg_Composite
    Evas_Object_Protected_Data *vg_pd;      //Vector Object (for accessing backend engine)
    Ector_Buffer *buffer;                   //Composite Ector Buffer
    void *pixels;                           //Composite pixel buffer (actual data)
+   unsigned int length;                    //pixel buffer data size
+   unsigned int stride;                    //pixel buffer stride
    Eina_Rect bound;                        //Composite boundary
    Eina_List *src;                         //Composite Sources
    Efl_Gfx_Vg_Composite_Method method;     //Composite Method