testsuite: Add a transforms test

In particular, check that to_matrix() and to_2d(), to_affine() and
to_translate() return the same values.

This also requires a recent Graphene version or the tests will fail.

1 files changed, 1 insertions, 1 deletions

diff --git a/meson.build b/meson.build
index b4063c68d4..5ce18aaa0b 100644
--- a/meson.build
+++ b/meson.build
@@ -35,7 +35,7 @@ gdk_pixbuf_req     = '>= 2.30.0'
 introspection_req  = '>= 1.39.0'
 wayland_proto_req  = '>= 1.12'
 wayland_req        = '>= 1.14.91'
-graphene_req       = '>= 1.5.1'
+graphene_req       = '>= 1.8.5'
 epoxy_req          = '>= 1.4'
 cloudproviders_req = '>= 0.2.5'
 xkbcommon_req      = '>= 0.2.0'