From 8ed91e8a77c7483d3903e781246ac1c0ca1b0c60 Mon Sep 17 00:00:00 2001
From: Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
Date: Fri, 22 Dec 2017 17:29:25 +0100
Subject: [PATCH] Only create decorations if wp_viewporter is supported

---
 src/wl_window.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/wl_window.c b/src/wl_window.c
index 577c4b74..aea3b55a 100644
--- a/src/wl_window.c
+++ b/src/wl_window.c
@@ -238,6 +238,9 @@ static void createDecorations(_GLFWwindow* window)
     unsigned char data[] = { 224, 224, 224, 255 };
     const GLFWimage image = { 1, 1, data };
 
+    if (!_glfw.wl.viewporter)
+        return;
+
     struct wl_buffer* buffer = createShmBuffer(&image);
 
     createDecoration(&window->wl.decorations.top, window->wl.surface, buffer,
@@ -276,6 +279,9 @@ static void resizeWindow(_GLFWwindow* window, int width, int height)
 {
     wl_egl_window_resize(window->wl.native, width, height, 0, 0);
 
+    if (!_glfw.wl.viewporter)
+        return;
+
     // Top decoration.
     wp_viewport_set_destination(window->wl.decorations.top.viewport, width, _GLFW_DECORATION_TOP);
     wl_surface_commit(window->wl.decorations.top.surface);