--- a/gfx/gl/GLBlitHelperD3D.cpp
+++ b/gfx/gl/GLBlitHelperD3D.cpp
@@ -19,16 +19,22 @@
 namespace mozilla {
 namespace gl {
 
 static EGLStreamKHR
 StreamFromD3DTexture(ID3D11Texture2D* const texD3D,
                      const EGLAttrib* const postAttribs)
 {
     auto& egl = sEGLLibrary;
+    if (!egl.IsExtensionSupported(NV_stream_consumer_gltexture_yuv) ||
+        !egl.IsExtensionSupported(ANGLE_stream_producer_d3d_texture_nv12))
+    {
+        return 0;
+    }
+
     const auto& display = egl.Display();
     const auto stream = egl.fCreateStreamKHR(display, nullptr);
     MOZ_ASSERT(stream);
     if (!stream)
         return 0;
     bool ok = true;
     MOZ_ALWAYS_TRUE( ok &= bool(egl.fStreamConsumerGLTextureExternalAttribsNV(display,
                                                                               stream,