From e7189e33f533f9b974b22c2110b522a13bc4c7f6 Mon Sep 17 00:00:00 2001
From: Andrew Osmond <aosmond@mozilla.com>
Date: Tue, 10 Apr 2018 09:40:02 -0400
Subject: Bug 1388020. r=nical, a=RyanVM

---
 gfx/gl/TextureImageEGL.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'gfx/gl/TextureImageEGL.cpp')

diff --git a/gfx/gl/TextureImageEGL.cpp b/gfx/gl/TextureImageEGL.cpp
index 87a547c26..3bb2987d1 100644
--- a/gfx/gl/TextureImageEGL.cpp
+++ b/gfx/gl/TextureImageEGL.cpp
@@ -119,6 +119,10 @@ TextureImageEGL::DirectUpdate(gfx::DataSourceSurface* aSurf, const nsIntRegion&
                              &uploadSize,
                              needInit,
                              aFrom);
+    if (mTextureFormat == SurfaceFormat::UNKNOWN) {
+        return false;
+    }
+
     if (uploadSize > 0) {
         UpdateUploadSize(uploadSize);
     }
-- 
cgit v1.2.3