[gtk/wip/otte/float-textures: 10/12] testsuite: Add tests uploading the memorytextures

[Benjamin Otte <otte src gnome org>]

commit 69ce036a8237949487b239595e9e704efe1ae328
Author: Benjamin Otte <otte redhat com>
Date:   Sat Sep 11 22:50:09 2021 +0200

    testsuite: Add tests uploading the memorytextures
    
    Use a GL renderer and render_texture() them.

 testsuite/gdk/memorytexture.c | 27 +++++++++++++++++++++++----
 1 file changed, 23 insertions(+), 4 deletions(-)
---
diff --git a/testsuite/gdk/memorytexture.c b/testsuite/gdk/memorytexture.c
index c3cbc71e2b..bb379da18c 100644
--- a/testsuite/gdk/memorytexture.c
+++ b/testsuite/gdk/memorytexture.c
@@ -1,8 +1,11 @@
-#include <locale.h>
-#include <gdk/gdk.h>
+#include <gtk/gtk.h>
+
+#include "gsk/ngl/gsknglrenderer.h"
 
 #define N 50
 
+static GskRenderer *gl_renderer = NULL;
+
 typedef struct _TextureBuilder TextureBuilder;
 
 struct _TextureBuilder
@@ -412,10 +415,26 @@ add_test (const char    *name,
 int
 main (int argc, char *argv[])
 {
-  (g_test_init) (&argc, &argv, NULL);
+  GdkSurface *surface;
+  int result;
+
+  gtk_test_init (&argc, &argv, NULL);
 
   add_test ("/memorytexture/download_1x1", test_download_1x1);
   add_test ("/memorytexture/download_4x4", test_download_4x4);
 
-  return g_test_run ();
+  surface = gdk_surface_new_toplevel (gdk_display_get_default());
+  gl_renderer = gsk_ngl_renderer_new ();
+  if (!gsk_renderer_realize (gl_renderer, surface, NULL))
+    {
+      g_clear_object (&gl_renderer);
+      g_clear_object (&surface);
+    }
+
+  result = g_test_run ();
+
+  g_clear_object (&gl_renderer);
+  g_clear_object (&surface);
+
+  return result;
 }