[gtk+/wip/baedert/gl] gl renderer: Fix cairo node surface size in hidpi

[Timm Bäder <baedert src gnome org>]

commit 4177e5f73cc233718e5a31155b19fc4eec412726
Author: Timm Bäder <mail baedert org>
Date:   Sat Dec 9 09:25:47 2017 +0100

    gl renderer: Fix cairo node surface size in hidpi

 gsk/gl/gskglrenderer.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/gsk/gl/gskglrenderer.c b/gsk/gl/gskglrenderer.c
index 651b1d5..42c8ce8 100644
--- a/gsk/gl/gskglrenderer.c
+++ b/gsk/gl/gskglrenderer.c
@@ -607,8 +607,8 @@ render_cairo_node (GskGLRenderer       *self,
   get_gl_scaling_filters (node, &gl_min_filter, &gl_mag_filter);
 
   texture_id = gsk_gl_driver_create_texture (self->gl_driver,
-                                             node->bounds.size.width,
-                                             node->bounds.size.height);
+                                             node->bounds.size.width * self->scale_factor,
+                                             node->bounds.size.height * self->scale_factor);
   gsk_gl_driver_bind_source_texture (self->gl_driver, texture_id);
   gsk_gl_driver_init_texture_with_surface (self->gl_driver,
                                            texture_id,