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backends/native: React to GPU hotplug

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If a GPU is added at runtime, we should connect to it and manage
its outputs.
This commit is contained in:
Emilio Pozuelo Monfort
2018-09-17 13:03:18 +02:00
parent a6178990cd
commit ad7d6e4a37
2 changed files with 125 additions and 10 deletions
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61
src/backends/native/meta-renderer-native.c
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@ -3015,6 +3015,11 @@ meta_renderer_native_get_property (GObject *object,
}
}
static void
on_gpu_added (MetaMonitorManager *monitor_manager,
MetaGpuKms *gpu_kms,
MetaRendererNative *renderer_native);
static void
meta_renderer_native_set_property (GObject *object,
guint prop_id,
@ -3491,6 +3496,48 @@ meta_renderer_native_create_renderer_gpu_data (MetaRendererNative *renderer_nat
return NULL;
}
static gboolean
create_renderer_gpu_data (MetaRendererNative *renderer_native,
MetaGpuKms *gpu_kms,
GError **error)
{
MetaRendererNativeGpuData *renderer_gpu_data;
renderer_gpu_data =
meta_renderer_native_create_renderer_gpu_data (renderer_native,
gpu_kms,
error);
if (!renderer_gpu_data)
return FALSE;
g_hash_table_insert (renderer_native->gpu_datas,
gpu_kms,
renderer_gpu_data);
return TRUE;
}
static void
on_gpu_added (MetaMonitorManager *monitor_manager,
MetaGpuKms *gpu_kms,
MetaRendererNative *renderer_native)
{
MetaBackend *backend = meta_monitor_manager_get_backend (monitor_manager);
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);
GError *error = NULL;
if (!create_renderer_gpu_data (renderer_native, gpu_kms, &error))
{
g_warning ("on_gpu_added: could not create gpu_data for gpu %s: %s",
meta_gpu_kms_get_file_path (gpu_kms), error->message);
g_clear_error (&error);
}
_cogl_winsys_egl_ensure_current (cogl_display);
}
static gboolean
meta_renderer_native_initable_init (GInitable *initable,
GCancellable *cancellable,
@ -3508,18 +3555,9 @@ meta_renderer_native_initable_init (GInitable *initable,
for (l = gpus; l; l = l->next)
{
MetaGpuKms *gpu_kms = META_GPU_KMS (l->data);
MetaRendererNativeGpuData *renderer_gpu_data;
renderer_gpu_data =
meta_renderer_native_create_renderer_gpu_data (renderer_native,
gpu_kms,
error);
if (!renderer_gpu_data)
if (!create_renderer_gpu_data (renderer_native, gpu_kms, error))
return FALSE;
g_hash_table_insert (renderer_native->gpu_datas,
gpu_kms,
renderer_gpu_data);
}
return TRUE;
@ -3555,6 +3593,9 @@ meta_renderer_native_constructed (GObject *object)
settings, META_EXPERIMENTAL_FEATURE_KMS_MODIFIERS))
renderer_native->use_modifiers = TRUE;
g_signal_connect (renderer_native->monitor_manager_kms, "gpu-added",
G_CALLBACK (on_gpu_added), renderer_native);
G_OBJECT_CLASS (meta_renderer_native_parent_class)->constructed (object);
}