From 3699fb8deda2ee6fdaf3887f5bf0edaa10415ddb Mon Sep 17 00:00:00 2001
From: Lee Salzman <lsalzman@mozilla.com>
Date: Wed, 8 Nov 2017 16:40:20 -0500
Subject: [PATCH] Bug 1415609 - ensure the GPU process initializes the FreeType
 library. r=jrmuizel

MozReview-Commit-ID: 50a6TBdKnVg
---
 gfx/ipc/GPUParent.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/gfx/ipc/GPUParent.cpp b/gfx/ipc/GPUParent.cpp
index 0eea2147effe..ba12e7933560 100644
--- a/gfx/ipc/GPUParent.cpp
+++ b/gfx/ipc/GPUParent.cpp
@@ -213,6 +213,15 @@ GPUParent::RecvInit(nsTArray<GfxPrefSetting>&& prefs,
   } else {
     gtk_init(nullptr, nullptr);
   }
+
+  // Ensure we have an FT library for font instantiation.
+  // This would normally be set by gfxPlatform::Init().
+  // Since we bypass that, we must do it here instead.
+  if (gfxVars::UseWebRender()) {
+    FT_Library library = Factory::NewFTLibrary();
+    MOZ_ASSERT(library);
+    Factory::SetFTLibrary(library);
+  }
 #endif
 
   // Make sure to do this *after* we update gfxVars above.