Send pixman image to rdp client only updated area

If there is only cursor moving, send only cursor updated rectangle area.
If there is window update except cursor, send full refresh.

Change-Id: I0d9ae2efc5a2373215d9d4c5278d4ec9336c473f
Signed-off-by: Junkyeong, Kim <jk0430.kim@samsung.com>

diff --git a/src/e_mod_rdp.c b/src/e_mod_rdp.c
index a978c56..b7158a2 100644 (file)
--- a/src/e_mod_rdp.c
+++ b/src/e_mod_rdp.c
@@ -104,6 +104,7 @@ struct _E_Rdp_Output
 
    Eina_Bool buffer_reuse;
    Eina_Rectangle cursor_crop_dst;
+   Eina_Rectangle cursor_damage_rect;
 
    int mouse_x;
    int mouse_y;
@@ -642,6 +643,49 @@ _e_rdp_output_image_composite(pixman_image_t *src_img, pixman_image_t *dst_img,
                           dx, dy, dw, dh);
 }
 
+static void
+_e_rdp_pixman_output_image_cusror_damage_area_get(E_Rdp_Output *output, Eina_Rectangle *rect)
+{
+   if (output->cursor_crop_dst.x == 0 && output->cursor_crop_dst.y == 0 &&
+       output->cursor_crop_dst.w == 0 && output->cursor_crop_dst.h == 0)
+     {
+        output->cursor_damage_rect.x = 0;
+        output->cursor_damage_rect.y = 0;
+        output->cursor_damage_rect.w = output->w;
+        output->cursor_damage_rect.h = output->h;
+     }
+   else
+     {
+        /* x axis */
+        if (output->cursor_crop_dst.x < rect->x)
+          {
+             output->cursor_damage_rect.x = output->cursor_crop_dst.x;
+             output->cursor_damage_rect.w = rect->x - output->cursor_crop_dst.x + rect->w;
+          }
+        else
+          {
+             output->cursor_damage_rect.x = rect->x;
+             output->cursor_damage_rect.w = output->cursor_crop_dst.x - rect->x + output->cursor_crop_dst.w;
+          }
+        if (output->cursor_damage_rect.x + output->cursor_damage_rect.w > output->w)
+          output->cursor_damage_rect.w = output->w - output->cursor_damage_rect.x;
+
+        /* y axis */
+        if (output->cursor_crop_dst.y < rect->y)
+          {
+             output->cursor_damage_rect.y = output->cursor_crop_dst.y;
+             output->cursor_damage_rect.h = rect->y - output->cursor_crop_dst.y + rect->h;
+          }
+        else
+          {
+             output->cursor_damage_rect.y = rect->y;
+             output->cursor_damage_rect.h = output->cursor_crop_dst.y - rect->y + output->cursor_crop_dst.h;
+          }
+        if (output->cursor_damage_rect.y + output->cursor_damage_rect.h > output->h)
+          output->cursor_damage_rect.h = output->h - output->cursor_damage_rect.y;
+     }
+}
+
 static Eina_Bool
 _e_rdp_pixman_output_image_composite_cursor(E_Rdp_Output *output, E_Hwc_Window *hwc_window, pixman_image_t *pix_surface, int pix_w, int pix_h, int primary_w, int primary_h)
 {
@@ -686,6 +730,7 @@ _e_rdp_pixman_output_image_composite_cursor(E_Rdp_Output *output, E_Hwc_Window *
    output->mouse_x = hwc_window->current.info.dst_pos.x;
    output->mouse_y = hwc_window->current.info.dst_pos.y;
 
+   _e_rdp_pixman_output_image_cusror_damage_area_get(output, &dst_crop);
    output->cursor_crop_dst.x = dst_crop.x;
    output->cursor_crop_dst.y = dst_crop.y;
    output->cursor_crop_dst.w = dst_crop.w;
@@ -1228,11 +1273,21 @@ _e_rdp_frame_timer(void *data)
    INF("pixman capture time: %.1f ms", (end_capture - start) * 1000);
 #endif
 
-   /* sends a full refresh */
-   box.x1 = 0;
-   box.y1 = 0;
-   box.x2 = output->w;
-   box.y2 = output->h;
+   if (output->buffer_reuse)
+     {
+        box.x1 = output->cursor_damage_rect.x;
+        box.y1 = output->cursor_damage_rect.y;
+        box.x2 = output->cursor_damage_rect.x + output->cursor_damage_rect.w;
+        box.y2 = output->cursor_damage_rect.y + output->cursor_damage_rect.h;
+     }
+   else
+     {
+        box.x1 = 0;
+        box.y1 = 0;
+        box.x2 = output->w;
+        box.y2 = output->h;
+     }
+
    pixman_region32_init_with_extents(&damage, &box);
 
    wl_list_for_each_safe(rdp_peer, tmp, &output->peers, link)