meta-raspberrypi/recipes-graphics/userland/files/0007-initialize-front-back-wayland-buffers.patch

From 4e0f83d815461d501fef788236dab356c9b60ea5 Mon Sep 17 00:00:00 2001
From: Khem Raj <raj.khem@gmail.com>
Date: Sat, 6 Feb 2016 11:11:41 -0800
Subject: [PATCH 07/18] initialize front back wayland buffers

origins from metrological wayland support

Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 interface/khronos/egl/egl_client_surface.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/interface/khronos/egl/egl_client_surface.c b/interface/khronos/egl/egl_client_surface.c
index 1f923d9..9a9582c 100644
--- a/interface/khronos/egl/egl_client_surface.c
+++ b/interface/khronos/egl/egl_client_surface.c
@@ -401,11 +401,14 @@ EGL_SURFACE_T *egl_surface_create(
 #ifdef BUILD_WAYLAND
    if (type == WINDOW && wl_display) {
       surface->wl_egl_window = (struct wl_egl_window*)win;
+      surface->front_wl_buffer = NULL;
       surface->back_wl_buffer = allocate_wl_buffer(
             surface->wl_egl_window, color);
       resource = surface->back_wl_buffer->resource;
    } else {
       surface->wl_egl_window = NULL;
+      surface->front_wl_buffer = NULL;
+      surface->back_wl_buffer = NULL;
       resource = DISPMANX_NO_HANDLE;
    }
 #endif
-- 
2.21.0