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native/cursor-renderer: Cleanup construction

Browse Source 
Pass the backend to a new factory function, and keep a pointer to the
monitor manager, which is accessed elsewhere in the same file instead of
fetching the singleton. The HW cursor initialization part is also made
more obvious, without depending on seemingly irrelevant clutter
features.

https://bugzilla.gnome.org/show_bug.cgi?id=785381
This commit is contained in:
Jonas Ådahl 2017-07-07 16:12:07 +08:00
parent f534452c6a
commit d53b79f8c3
3 changed files with 69 additions and 43 deletions
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2
src/backends/native/meta-backend-native.c
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@ -409,7 +409,7 @@ meta_backend_native_create_monitor_manager (MetaBackend *backend,
static MetaCursorRenderer *
meta_backend_native_create_cursor_renderer (MetaBackend *backend)
{
return g_object_new (META_TYPE_CURSOR_RENDERER_NATIVE, NULL);
return META_CURSOR_RENDERER (meta_cursor_renderer_native_new (backend));
}
static MetaRenderer *

108
src/backends/native/meta-cursor-renderer-native.c
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@ -72,6 +72,8 @@ struct _MetaCursorRendererNative
struct _MetaCursorRendererNativePrivate
{
MetaMonitorManager *monitor_manager;
gboolean hw_state_invalidated;
gboolean has_hw_cursor;
gboolean hw_cursor_broken;
@ -307,9 +309,7 @@ update_hw_cursor (MetaCursorRendererNative *native,
{
MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native);
MetaCursorRenderer *renderer = META_CURSOR_RENDERER (native);
MetaBackend *backend = meta_get_backend ();
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
MetaMonitorManager *monitor_manager = priv->monitor_manager;
GList *logical_monitors;
GList *l;
ClutterRect rect;
@ -392,9 +392,11 @@ static gboolean
cursor_over_transformed_logical_monitor (MetaCursorRenderer *renderer,
MetaCursorSprite *cursor_sprite)
{
MetaBackend *backend = meta_get_backend ();
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
MetaCursorRendererNative *cursor_renderer_native =
META_CURSOR_RENDERER_NATIVE (renderer);
MetaCursorRendererNativePrivate *priv =
meta_cursor_renderer_native_get_instance_private (cursor_renderer_native);
MetaMonitorManager *monitor_manager = priv->monitor_manager;
GList *logical_monitors;
GList *l;
ClutterRect cursor_rect;
@ -438,8 +440,11 @@ static gboolean
can_draw_cursor_unscaled (MetaCursorRenderer *renderer,
MetaCursorSprite *cursor_sprite)
{
MetaBackend *backend;
MetaMonitorManager *monitor_manager;
MetaCursorRendererNative *cursor_renderer_native =
META_CURSOR_RENDERER_NATIVE (renderer);
MetaCursorRendererNativePrivate *priv =
meta_cursor_renderer_native_get_instance_private (cursor_renderer_native);
MetaMonitorManager *monitor_manager = priv->monitor_manager;
ClutterRect cursor_rect;
GList *logical_monitors;
GList *l;
@ -448,8 +453,6 @@ can_draw_cursor_unscaled (MetaCursorRenderer *renderer,
if (!meta_is_stage_views_scaled ())
return meta_cursor_sprite_get_texture_scale (cursor_sprite) == 1.0;
backend = meta_get_backend ();
monitor_manager = meta_backend_get_monitor_manager (backend);
logical_monitors =
meta_monitor_manager_get_logical_monitors (monitor_manager);
@ -850,45 +853,66 @@ on_monitors_changed (MetaMonitorManager *monitors,
}
static void
meta_cursor_renderer_native_init (MetaCursorRendererNative *native)
init_hw_cursor_support (MetaCursorRendererNative *cursor_renderer_native,
MetaBackend *backend)
{
MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native);
MetaMonitorManager *monitors;
MetaRendererNative *renderer_native =
META_RENDERER_NATIVE (meta_backend_get_renderer (backend));
MetaCursorRendererNativePrivate *priv =
meta_cursor_renderer_native_get_instance_private (cursor_renderer_native);
MetaMonitorManagerKms *monitor_manager_kms =
META_MONITOR_MANAGER_KMS (priv->monitor_manager);
uint64_t width, height;
struct gbm_device *gbm_device;
monitors = meta_monitor_manager_get ();
g_signal_connect_object (monitors, "monitors-changed",
G_CALLBACK (on_monitors_changed), native, 0);
gbm_device = meta_renderer_native_get_gbm (renderer_native);
if (!gbm_device)
return;
priv->gbm = gbm_device;
priv->drm_fd = meta_monitor_manager_kms_get_fd (monitor_manager_kms);
if (drmGetCap (priv->drm_fd, DRM_CAP_CURSOR_WIDTH, &width) == 0 &&
drmGetCap (priv->drm_fd, DRM_CAP_CURSOR_HEIGHT, &height) == 0)
{
priv->cursor_width = width;
priv->cursor_height = height;
}
else
{
priv->cursor_width = 64;
priv->cursor_height = 64;
}
}
MetaCursorRendererNative *
meta_cursor_renderer_native_new (MetaBackend *backend)
{
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
MetaCursorRendererNative *cursor_renderer_native;
MetaCursorRendererNativePrivate *priv;
cursor_renderer_native =
g_object_new (META_TYPE_CURSOR_RENDERER_NATIVE, NULL);
priv =
meta_cursor_renderer_native_get_instance_private (cursor_renderer_native);
g_signal_connect_object (monitor_manager, "monitors-changed",
G_CALLBACK (on_monitors_changed),
cursor_renderer_native, 0);
priv->monitor_manager = monitor_manager;
priv->hw_state_invalidated = TRUE;
#if defined(CLUTTER_WINDOWING_EGL)
if (clutter_check_windowing_backend (CLUTTER_WINDOWING_EGL))
{
MetaBackend *backend = meta_get_backend ();
MetaRenderer *renderer = meta_backend_get_renderer (backend);
MetaRendererNative *renderer_native = META_RENDERER_NATIVE (renderer);
MetaMonitorManager *monitor_manager =
meta_backend_get_monitor_manager (backend);
MetaMonitorManagerKms *monitor_manager_kms =
META_MONITOR_MANAGER_KMS (monitor_manager);
init_hw_cursor_support (cursor_renderer_native, backend);
priv->drm_fd = meta_monitor_manager_kms_get_fd (monitor_manager_kms);
priv->gbm = meta_renderer_native_get_gbm (renderer_native);
return cursor_renderer_native;
}
uint64_t width, height;
if (drmGetCap (priv->drm_fd, DRM_CAP_CURSOR_WIDTH, &width) == 0 &&
drmGetCap (priv->drm_fd, DRM_CAP_CURSOR_HEIGHT, &height) == 0)
{
priv->cursor_width = width;
priv->cursor_height = height;
}
else
{
priv->cursor_width = 64;
priv->cursor_height = 64;
}
}
#endif
static void
meta_cursor_renderer_native_init (MetaCursorRendererNative *native)
{
}
void

2
src/backends/native/meta-cursor-renderer-native.h
View File

@ -34,4 +34,6 @@ G_DECLARE_FINAL_TYPE (MetaCursorRendererNative, meta_cursor_renderer_native,
void meta_cursor_renderer_native_force_update (MetaCursorRendererNative *renderer);
MetaCursorRendererNative * meta_cursor_renderer_native_new (MetaBackend *backend);
#endif /* META_CURSOR_RENDERER_NATIVE_H */