[mutter] tests: Make it possible to emulate backend not supporting tranforms

[Jonas Ådahl <jadahl src gnome org>]

commit c30cb069f50f74200f3f05d815c814ce7aef49fe
Author: Jonas Ådahl <jadahl gmail com>
Date:   Tue Mar 21 17:22:56 2017 +0800

    tests: Make it possible to emulate backend not supporting tranforms
    
    https://bugzilla.gnome.org/show_bug.cgi?id=777732

 src/tests/meta-monitor-manager-test.c |   16 +++++++++++++++-
 src/tests/meta-monitor-manager-test.h |    3 +++
 2 files changed, 18 insertions(+), 1 deletions(-)
---
diff --git a/src/tests/meta-monitor-manager-test.c b/src/tests/meta-monitor-manager-test.c
index 2f68809..e5a8f6f 100644
--- a/src/tests/meta-monitor-manager-test.c
+++ b/src/tests/meta-monitor-manager-test.c
@@ -34,6 +34,7 @@ struct _MetaMonitorManagerTest
   MetaMonitorManager parent;
 
   gboolean is_lid_closed;
+  gboolean handles_transforms;
 
   int tiled_monitor_count;
 
@@ -74,6 +75,15 @@ meta_monitor_manager_test_set_is_lid_closed (MetaMonitorManagerTest *manager_tes
   manager_test->is_lid_closed = is_lid_closed;
 }
 
+void
+meta_monitor_manager_test_set_handles_transforms (MetaMonitorManagerTest *manager_test,
+                                                  gboolean                handles_transforms)
+{
+  g_assert (handles_transforms || meta_is_stage_views_enabled());
+
+  manager_test->handles_transforms = handles_transforms;
+}
+
 int
 meta_monitor_manager_test_get_tiled_monitor_count (MetaMonitorManagerTest *manager_test)
 {
@@ -361,7 +371,9 @@ meta_monitor_manager_test_is_transform_handled (MetaMonitorManager  *manager,
                                                 MetaCrtc            *crtc,
                                                 MetaMonitorTransform transform)
 {
-  return TRUE;
+  MetaMonitorManagerTest *manager_test = META_MONITOR_MANAGER_TEST (manager);
+
+  return manager_test->handles_transforms;
 }
 
 static int
@@ -450,6 +462,8 @@ meta_monitor_manager_test_init (MetaMonitorManagerTest *manager_test)
 {
   g_assert (_initial_test_setup);
 
+  manager_test->handles_transforms = TRUE;
+
   manager_test->test_setup = _initial_test_setup;
 }
 
diff --git a/src/tests/meta-monitor-manager-test.h b/src/tests/meta-monitor-manager-test.h
index fe2b85c..eb53aee 100644
--- a/src/tests/meta-monitor-manager-test.h
+++ b/src/tests/meta-monitor-manager-test.h
@@ -49,6 +49,9 @@ void meta_monitor_manager_test_emulate_hotplug (MetaMonitorManagerTest *manager_
 void meta_monitor_manager_test_set_is_lid_closed (MetaMonitorManagerTest *manager_test,
                                                   gboolean                is_lid_closed);
 
+void meta_monitor_manager_test_set_handles_transforms (MetaMonitorManagerTest *manager_test,
+                                                       gboolean                handles_transforms);
+
 int meta_monitor_manager_test_get_tiled_monitor_count (MetaMonitorManagerTest *manager_test);
 
 #endif /* META_MONITOR_MANAGER_TEST_H */