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monitor-manager: Expose whether the backend handles a transform

Browse Source 
Expose via a new API whether the transform on a logical monitor is
handled by the backend. This was previously only exposed only in the
native backend. This will be used to emulate not supporting transforms
in the backend in the nested backend.

https://bugzilla.gnome.org/show_bug.cgi?id=779745
This commit is contained in:
Jonas Ådahl 2017-03-08 16:05:00 +08:00
parent 4cfcd4bce0
commit 944339f6a5
8 changed files with 91 additions and 47 deletions
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9
src/backends/meta-monitor-manager-dummy.c
View File

@ -521,6 +521,14 @@ meta_monitor_manager_dummy_apply_config (MetaMonitorManager *manager,
meta_monitor_manager_rebuild_derived (manager);
}
static gboolean
meta_monitor_manager_dummy_is_transform_handled (MetaMonitorManager *manager,
MetaCrtc *crtc,
MetaMonitorTransform transform)
{
return TRUE;
}
static void
meta_monitor_manager_dummy_class_init (MetaMonitorManagerDummyClass *klass)
{
@ -530,6 +538,7 @@ meta_monitor_manager_dummy_class_init (MetaMonitorManagerDummyClass *klass)
manager_class->ensure_initial_config = meta_monitor_manager_dummy_ensure_initial_config;
manager_class->apply_monitors_config = meta_monitor_manager_dummy_apply_monitors_config;
manager_class->apply_configuration = meta_monitor_manager_dummy_apply_config;
manager_class->is_transform_handled = meta_monitor_manager_dummy_is_transform_handled;
}
static void

7
src/backends/meta-monitor-manager-private.h
View File

@ -345,6 +345,9 @@ struct _MetaMonitorManagerClass
void (*tiled_monitor_removed) (MetaMonitorManager *,
MetaMonitor *);
gboolean (*is_transform_handled) (MetaMonitorManager *,
MetaCrtc *,
MetaMonitorTransform);
};
void meta_monitor_manager_rebuild (MetaMonitorManager *manager,
@ -428,6 +431,10 @@ void meta_monitor_manager_tiled_monitor_added (MetaMonitorManager
void meta_monitor_manager_tiled_monitor_removed (MetaMonitorManager *manager,
MetaMonitor *monitor);
gboolean meta_monitor_manager_is_transform_handled (MetaMonitorManager *manager,
MetaCrtc *crtc,
MetaMonitorTransform transform);
MetaMonitorsConfig * meta_monitor_manager_ensure_configured (MetaMonitorManager *manager);
void meta_monitor_manager_update_logical_state (MetaMonitorManager *manager,

11
src/backends/meta-monitor-manager.c
View File

@ -1725,6 +1725,17 @@ meta_monitor_manager_tiled_monitor_removed (MetaMonitorManager *manager,
manager_class->tiled_monitor_removed (manager, monitor);
}
gboolean
meta_monitor_manager_is_transform_handled (MetaMonitorManager *manager,
MetaCrtc *crtc,
MetaMonitorTransform transform)
{
MetaMonitorManagerClass *manager_class =
META_MONITOR_MANAGER_GET_CLASS (manager);
return manager_class->is_transform_handled (manager, crtc, transform);
}
void
meta_monitor_manager_read_current_state (MetaMonitorManager *manager)
{

30
src/backends/native/meta-monitor-manager-kms.c
View File

@ -1968,6 +1968,19 @@ meta_monitor_manager_kms_wait_for_flip (MetaMonitorManagerKms *manager_kms)
drmHandleEvent (manager_kms->fd, &evctx);
}
static gboolean
meta_monitor_manager_kms_is_transform_handled (MetaMonitorManager *manager,
MetaCrtc *crtc,
MetaMonitorTransform transform)
{
MetaCrtcKms *crtc_kms = crtc->driver_private;
if ((1 << crtc->transform) & crtc_kms->all_hw_transforms)
return TRUE;
else
return FALSE;
}
static void
meta_monitor_manager_kms_dispose (GObject *object)
{
@ -2007,20 +2020,5 @@ meta_monitor_manager_kms_class_init (MetaMonitorManagerKmsClass *klass)
manager_class->set_power_save_mode = meta_monitor_manager_kms_set_power_save_mode;
manager_class->get_crtc_gamma = meta_monitor_manager_kms_get_crtc_gamma;
manager_class->set_crtc_gamma = meta_monitor_manager_kms_set_crtc_gamma;
}
MetaMonitorTransform
meta_monitor_manager_kms_get_view_transform (MetaMonitorManagerKms *manager,
MetaCrtc *crtc)
{
MetaCrtcKms *crtc_kms;
crtc_kms = crtc->driver_private;
if ((1 << crtc->transform) & crtc_kms->all_hw_transforms)
{
/* Transform is managed by the hardware, the view is untransformed */
return META_MONITOR_TRANSFORM_NORMAL;
}
return crtc->transform;
manager_class->is_transform_handled = meta_monitor_manager_kms_is_transform_handled;
}

5
src/backends/native/meta-monitor-manager-kms.h
View File

@ -58,9 +58,4 @@ gboolean meta_monitor_manager_kms_flip_crtc (MetaMonitorManagerKms *manager_kms,
void meta_monitor_manager_kms_wait_for_flip (MetaMonitorManagerKms *manager_kms);
MetaMonitorTransform
meta_monitor_manager_kms_get_view_transform (MetaMonitorManagerKms *manager,
MetaCrtc *crtc);
#endif /* META_MONITOR_MANAGER_KMS_H */

56
src/backends/native/meta-renderer-native.c
View File

@ -1398,25 +1398,6 @@ meta_renderer_native_queue_modes_reset (MetaRendererNative *renderer_native)
}
}
static MetaMonitorTransform
meta_renderer_native_get_logical_monitor_transform (MetaRenderer *renderer,
MetaLogicalMonitor *logical_monitor)
{
MetaBackend *backend = meta_get_backend ();
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
MetaMonitorManagerKms *monitor_manager_kms =
META_MONITOR_MANAGER_KMS (monitor_manager);
MetaMonitor *monitor;
MetaOutput *output;
monitor = meta_logical_monitor_get_monitors (logical_monitor)->data;
output = meta_monitor_get_main_output (monitor);
return meta_monitor_manager_kms_get_view_transform (monitor_manager_kms,
output->crtc);
}
static CoglOnscreen *
meta_renderer_native_create_onscreen (MetaRendererNative *renderer,
CoglContext *context,
@ -1689,38 +1670,61 @@ meta_renderer_native_create_legacy_view (MetaRendererNative *renderer_native)
return view;
}
static MetaMonitorTransform
calculate_view_transform (MetaMonitorManager *monitor_manager,
MetaLogicalMonitor *logical_monitor)
{
MetaMonitor *main_monitor;
MetaOutput *main_output;
main_monitor = meta_logical_monitor_get_monitors (logical_monitor)->data;
main_output = meta_monitor_get_main_output (main_monitor);
/*
* Pick any monitor and output and check; all CRTCs of a logical monitor will
* always have the same transform assigned to them.
*/
if (meta_monitor_manager_is_transform_handled (monitor_manager,
main_output->crtc,
main_output->crtc->transform))
return META_MONITOR_TRANSFORM_NORMAL;
else
return main_output->crtc->transform;
}
static MetaRendererView *
meta_renderer_native_create_view (MetaRenderer *renderer,
MetaLogicalMonitor *logical_monitor)
{
MetaBackend *backend = meta_get_backend ();
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
ClutterBackend *clutter_backend = meta_backend_get_clutter_backend (backend);
CoglContext *cogl_context = clutter_backend_get_cogl_context (clutter_backend);
CoglDisplay *cogl_display = cogl_context_get_display (cogl_context);
CoglDisplayEGL *egl_display = cogl_display->winsys;
CoglOnscreenEGL *egl_onscreen;
MetaMonitorTransform transform;
MetaMonitorTransform view_transform;
CoglOnscreen *onscreen = NULL;
CoglOffscreen *offscreen = NULL;
MetaRendererView *view;
GError *error = NULL;
transform = meta_renderer_native_get_logical_monitor_transform (renderer,
logical_monitor);
view_transform = calculate_view_transform (monitor_manager, logical_monitor);
onscreen = meta_renderer_native_create_onscreen (META_RENDERER_NATIVE (renderer),
cogl_context,
transform,
view_transform,
logical_monitor->rect.width,
logical_monitor->rect.height);
if (!onscreen)
meta_fatal ("Failed to allocate onscreen framebuffer\n");
if (transform != META_MONITOR_TRANSFORM_NORMAL)
if (view_transform != META_MONITOR_TRANSFORM_NORMAL)
{
offscreen = meta_renderer_native_create_offscreen (META_RENDERER_NATIVE (renderer),
cogl_context,
transform,
view_transform,
logical_monitor->rect.width,
logical_monitor->rect.height);
if (!offscreen)
@ -1732,7 +1736,7 @@ meta_renderer_native_create_view (MetaRenderer *renderer,
"framebuffer", onscreen,
"offscreen", offscreen,
"logical-monitor", logical_monitor,
"transform", transform,
"transform", view_transform,
NULL);
g_clear_pointer (&offscreen, cogl_object_unref);

11
src/backends/x11/meta-monitor-manager-xrandr.c
View File

@ -1558,6 +1558,16 @@ meta_monitor_manager_xrandr_init_monitors (MetaMonitorManagerXrandr *manager_xra
}
#endif
static gboolean
meta_monitor_manager_xrandr_is_transform_handled (MetaMonitorManager *manager,
MetaCrtc *crtc,
MetaMonitorTransform transform)
{
g_warn_if_fail (crtc->all_transforms & transform);
return TRUE;
}
static void
meta_monitor_manager_xrandr_init (MetaMonitorManagerXrandr *manager_xrandr)
{
@ -1633,6 +1643,7 @@ meta_monitor_manager_xrandr_class_init (MetaMonitorManagerXrandrClass *klass)
manager_class->tiled_monitor_added = meta_monitor_manager_xrandr_tiled_monitor_added;
manager_class->tiled_monitor_removed = meta_monitor_manager_xrandr_tiled_monitor_removed;
#endif
manager_class->is_transform_handled = meta_monitor_manager_xrandr_is_transform_handled;
quark_meta_monitor_xrandr_data =
g_quark_from_static_string ("-meta-monitor-xrandr-data");

9
src/tests/meta-monitor-manager-test.c
View File

@ -327,6 +327,14 @@ meta_monitor_manager_test_tiled_monitor_removed (MetaMonitorManager *manager,
manager_test->tiled_monitor_count--;
}
static gboolean
meta_monitor_manager_test_is_transform_handled (MetaMonitorManager *manager,
MetaCrtc *crtc,
MetaMonitorTransform transform)
{
return TRUE;
}
static void
meta_monitor_manager_test_dispose (GObject *object)
{
@ -358,4 +366,5 @@ meta_monitor_manager_test_class_init (MetaMonitorManagerTestClass *klass)
manager_class->apply_configuration = meta_monitor_manager_test_apply_configuration;
manager_class->tiled_monitor_added = meta_monitor_manager_test_tiled_monitor_added;
manager_class->tiled_monitor_removed = meta_monitor_manager_test_tiled_monitor_removed;
manager_class->is_transform_handled = meta_monitor_manager_test_is_transform_handled;
}