From 44a0a6f7c8d0efef5c26e79af071c9ff8f78d456 Mon Sep 17 00:00:00 2001
From: "Carsten Haitzler (Rasterman)" <raster@rasterman.com>
Date: Tue, 27 Aug 2019 23:05:18 +0100
Subject: [PATCH] evas -gl engines - buffer age - bring back fix for changing
 buffer age

so we USED to... if buffer age changed between frames, force a full
redraw and add that to the pipeline... somehow someone removed that.
this brings that back as it's really needed to deal with updating
correctly.

@fix
---
 src/modules/evas/engines/gl_drm/evas_outbuf.c       | 1 +
 src/modules/evas/engines/gl_x11/evas_x_main.c       | 1 +
 src/modules/evas/engines/wayland_egl/evas_wl_main.c | 1 +
 3 files changed, 3 insertions(+)

diff --git a/src/modules/evas/engines/gl_drm/evas_outbuf.c b/src/modules/evas/engines/gl_drm/evas_outbuf.c
index 4fe4a7f30c..9ea643cb1f 100644
--- a/src/modules/evas/engines/gl_drm/evas_outbuf.c
+++ b/src/modules/evas/engines/gl_drm/evas_outbuf.c
@@ -594,6 +594,7 @@ evas_outbuf_buffer_state_get(Outbuf *ob)
              char buf[16];
              snprintf(buf, sizeof(buf), "! %i", (int)age);
              eina_evlog("!gl_buffer_age", ob, 0.0, buf);
+             swap_mode = MODE_FULL;
           }
         else
           {
diff --git a/src/modules/evas/engines/gl_x11/evas_x_main.c b/src/modules/evas/engines/gl_x11/evas_x_main.c
index 8c304784e6..f247758a2d 100644
--- a/src/modules/evas/engines/gl_x11/evas_x_main.c
+++ b/src/modules/evas/engines/gl_x11/evas_x_main.c
@@ -1448,6 +1448,7 @@ eng_outbuf_swap_mode(Outbuf *ob)
              char buf[16];
              snprintf(buf, sizeof(buf), "! %i", (int)age);
              eina_evlog("!gl_buffer_age", ob, 0.0, buf);
+             swap_mode = MODE_FULL;
           }
         else
           {
diff --git a/src/modules/evas/engines/wayland_egl/evas_wl_main.c b/src/modules/evas/engines/wayland_egl/evas_wl_main.c
index 55e6a51e24..a5ae3f9f91 100644
--- a/src/modules/evas/engines/wayland_egl/evas_wl_main.c
+++ b/src/modules/evas/engines/wayland_egl/evas_wl_main.c
@@ -411,6 +411,7 @@ eng_outbuf_swap_mode_get(Outbuf *ob)
              char buf[16];
              snprintf(buf, sizeof(buf), "!%i", (int)age);
              eina_evlog("!gl_buffer_age", ob, 0.0, buf);
+             swap_mode = MODE_FULL;
           }
         else
           {