tests/kms/render: Add test for scanout failure handling
Make sure we repaint correctly if direct scanout updates fail. Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2854>
This commit is contained in:
Jonas Ådahl
Marge Bot
parent
fb622974b9
commit
2dfbbf0068
@ -165,6 +165,7 @@ void meta_kms_plane_assignment_set_cursor_hotspot (MetaKmsPlaneAssignment *plane
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int x,
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int y);
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META_EXPORT_TEST
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void meta_kms_update_add_result_listener (MetaKmsUpdate *update,
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MetaKmsResultListenerFunc func,
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gpointer user_data);
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@ -36,6 +36,7 @@ G_DECLARE_FINAL_TYPE (MetaKms, meta_kms, META, KMS, GObject)
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void meta_kms_discard_pending_updates (MetaKms *kms);
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META_EXPORT_TEST
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MetaKmsUpdate * meta_kms_ensure_pending_update (MetaKms *kms,
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MetaKmsDevice *device);
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@ -567,7 +567,10 @@ if have_kvm_tests or have_tty_tests
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tests_c_args,
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'-DG_LOG_DOMAIN="mutter-@0@-test"'.format(test_case['name']),
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],
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dependencies: libmutter_test_dep,
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dependencies: [
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libmutter_test_dep,
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drm_mock_dep
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],
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install: have_installed_tests,
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install_dir: mutter_installed_tests_libexecdir,
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install_rpath: pkglibdir,
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@ -29,9 +29,12 @@
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#include "backends/native/meta-onscreen-native.h"
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#include "backends/native/meta-kms.h"
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#include "backends/native/meta-kms-device.h"
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#include "backends/native/meta-kms-device-private.h"
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#include "backends/native/meta-kms-impl-device-atomic.h"
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#include "core/display-private.h"
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#include "meta/meta-backend.h"
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#include "meta-test/meta-context-test.h"
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#include "tests/drm-mock/drm-mock.h"
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#include "tests/meta-test-utils.h"
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#include "tests/meta-wayland-test-driver.h"
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#include "tests/meta-wayland-test-utils.h"
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@ -47,10 +50,27 @@ typedef struct
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} scanout;
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gboolean wait_for_scanout;
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struct {
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gboolean scanout_sabotaged;
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gboolean fallback_painted;
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guint repaint_guard_id;
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ClutterStageView *scanout_failed_view;
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} scanout_fallback;
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} KmsRenderingTest;
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static MetaContext *test_context;
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static gboolean
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is_atomic_mode_setting (MetaKmsDevice *kms_device)
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{
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MetaKmsImplDevice *kms_impl_device;
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kms_impl_device = meta_kms_device_get_impl_device (kms_device);
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return META_IS_KMS_IMPL_DEVICE_ATOMIC (kms_impl_device);
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}
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static void
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on_after_update (ClutterStage *stage,
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ClutterStageView *stage_view,
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@ -292,6 +312,151 @@ meta_test_kms_render_client_scanout (void)
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g_main_loop_unref (test.loop);
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}
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static gboolean
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needs_repainted_guard (gpointer user_data)
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{
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g_assert_not_reached ();
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return G_SOURCE_REMOVE;
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}
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static void
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on_scanout_fallback_result (const MetaKmsFeedback *kms_feedback,
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gpointer user_data)
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{
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KmsRenderingTest *test = user_data;
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g_assert_cmpuint (test->scanout_fallback.repaint_guard_id, ==, 0);
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g_assert_nonnull (test->scanout_fallback.scanout_failed_view);
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test->scanout_fallback.repaint_guard_id =
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g_idle_add_full (G_PRIORITY_LOW, needs_repainted_guard, test, NULL);
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}
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static void
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on_scanout_fallback_before_paint (ClutterStage *stage,
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ClutterStageView *stage_view,
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ClutterFrame *frame,
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KmsRenderingTest *test)
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{
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MetaRendererView *view = META_RENDERER_VIEW (stage_view);
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MetaCrtc *crtc = meta_renderer_view_get_crtc (view);
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MetaKmsCrtc *kms_crtc = meta_crtc_kms_get_kms_crtc (META_CRTC_KMS (crtc));
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MetaKmsDevice *kms_device = meta_kms_crtc_get_device (kms_crtc);
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MetaKms *kms = meta_kms_device_get_kms (kms_device);
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CoglScanout *scanout;
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MetaKmsUpdate *kms_update;
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scanout = clutter_stage_view_peek_scanout (stage_view);
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if (!scanout)
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return;
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g_assert_false (test->scanout_fallback.scanout_sabotaged);
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if (is_atomic_mode_setting (kms_device))
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{
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drm_mock_queue_error (DRM_MOCK_CALL_ATOMIC_COMMIT, EINVAL);
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}
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else
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{
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drm_mock_queue_error (DRM_MOCK_CALL_PAGE_FLIP, EINVAL);
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drm_mock_queue_error (DRM_MOCK_CALL_SET_CRTC, EINVAL);
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}
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test->scanout_fallback.scanout_sabotaged = TRUE;
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kms_update = meta_kms_ensure_pending_update (kms, kms_device);
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meta_kms_update_add_result_listener (kms_update,
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on_scanout_fallback_result, test);
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test->scanout_fallback.scanout_failed_view = stage_view;
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}
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static void
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on_scanout_fallback_paint_view (ClutterStage *stage,
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ClutterStageView *stage_view,
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cairo_region_t *region,
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ClutterFrame *frame,
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KmsRenderingTest *test)
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{
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if (test->scanout_fallback.scanout_sabotaged)
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{
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g_assert_cmpuint (test->scanout_fallback.repaint_guard_id, !=, 0);
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g_clear_handle_id (&test->scanout_fallback.repaint_guard_id,
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g_source_remove);
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test->scanout_fallback.fallback_painted = TRUE;
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}
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}
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static void
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on_scanout_fallback_presented (ClutterStage *stage,
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ClutterStageView *stage_view,
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ClutterFrameInfo *frame_info,
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KmsRenderingTest *test)
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{
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if (!test->scanout_fallback.scanout_sabotaged)
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return;
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g_assert_true (test->scanout_fallback.fallback_painted);
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g_main_loop_quit (test->loop);
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}
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static void
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meta_test_kms_render_client_scanout_fallback (void)
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{
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MetaBackend *backend = meta_context_get_backend (test_context);
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MetaWaylandCompositor *wayland_compositor =
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meta_context_get_wayland_compositor (test_context);
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ClutterActor *stage = meta_backend_get_stage (backend);
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MetaKms *kms = meta_backend_native_get_kms (META_BACKEND_NATIVE (backend));
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MetaKmsDevice *kms_device = meta_kms_get_devices (kms)->data;
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KmsRenderingTest test;
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MetaWaylandTestClient *wayland_test_client;
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g_autoptr (MetaWaylandTestDriver) test_driver = NULL;
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gulong before_paint_handler_id;
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gulong paint_view_handler_id;
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gulong presented_handler_id;
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test_driver = meta_wayland_test_driver_new (wayland_compositor);
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meta_wayland_test_driver_set_property (test_driver,
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"gpu-path",
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meta_kms_device_get_path (kms_device));
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wayland_test_client =
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meta_wayland_test_client_new (test_context, "dma-buf-scanout");
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g_assert_nonnull (wayland_test_client);
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test = (KmsRenderingTest) {
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.loop = g_main_loop_new (NULL, FALSE),
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};
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before_paint_handler_id =
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g_signal_connect (stage, "before-paint",
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G_CALLBACK (on_scanout_fallback_before_paint), &test);
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paint_view_handler_id =
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g_signal_connect (stage, "paint-view",
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G_CALLBACK (on_scanout_fallback_paint_view), &test);
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presented_handler_id =
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g_signal_connect (stage, "presented",
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G_CALLBACK (on_scanout_fallback_presented), &test);
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clutter_actor_queue_redraw (CLUTTER_ACTOR (stage));
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g_test_expect_message ("libmutter", G_LOG_LEVEL_WARNING,
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"*Direct scanout page flip failed*");
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g_main_loop_run (test.loop);
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g_main_loop_unref (test.loop);
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g_test_assert_expected_messages ();
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g_signal_handler_disconnect (stage, before_paint_handler_id);
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g_signal_handler_disconnect (stage, paint_view_handler_id);
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g_signal_handler_disconnect (stage, presented_handler_id);
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meta_wayland_test_driver_emit_sync_event (test_driver, 0);
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meta_wayland_test_client_finish (wayland_test_client);
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}
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static void
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init_tests (void)
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{
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@ -299,6 +464,8 @@ init_tests (void)
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meta_test_kms_render_basic);
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g_test_add_func ("/backends/native/kms/render/client-scanout",
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meta_test_kms_render_client_scanout);
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g_test_add_func ("/backends/native/kms/render/client-scanout-fallabck",
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meta_test_kms_render_client_scanout_fallback);
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}
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int
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