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backends: Move HW cursor inhibitors to MetaBackend

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We are aiming for a split of HW and SW cursor rendering management.
Given the HW plane is a limited resource and the amount of cursor
renderers may be >1 (due to tablets, even though we currently use an
always-software cursor renderer there), it would ideally be able to
switch between renderers.

Being MetaCursorRenderer not really a singleton, having cursor
inhibitor accounting here doesn't pan out. Make it MetaBackend API
so all cursor renderers get the same picture.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1403>
This commit is contained in:
Carlos Garnacho 2020-07-13 17:45:41 +02:00 committed by Marge Bot
parent e218b00747
commit d6f720497a
7 changed files with 67 additions and 88 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/backends/meta-backend-private.h
View File

@ -195,4 +195,12 @@ GList * meta_backend_get_gpus (MetaBackend *backend);
WacomDeviceDatabase * meta_backend_get_wacom_database (MetaBackend *backend);
#endif
void meta_backend_add_hw_cursor_inhibitor (MetaBackend *backend,
MetaHwCursorInhibitor *inhibitor);
void meta_backend_remove_hw_cursor_inhibitor (MetaBackend *backend,
MetaHwCursorInhibitor *inhibitor);
gboolean meta_backend_is_hw_cursors_inhibited (MetaBackend *backend);
#endif /* META_BACKEND_PRIVATE_H */

39
src/backends/meta-backend.c
View File

@ -53,6 +53,7 @@
#include <stdlib.h>
#include "backends/meta-cursor-renderer.h"
#include "backends/meta-cursor-tracker-private.h"
#include "backends/meta-idle-monitor-private.h"
#include "backends/meta-input-settings-private.h"
@ -149,6 +150,7 @@ struct _MetaBackendPrivate
ClutterActor *stage;
GList *gpus;
GList *hw_cursor_inhibitors;
gboolean is_pointer_position_initialized;
@ -1514,3 +1516,40 @@ meta_backend_get_wacom_database (MetaBackend *backend)
return priv->wacom_db;
}
#endif
void
meta_backend_add_hw_cursor_inhibitor (MetaBackend *backend,
MetaHwCursorInhibitor *inhibitor)
{
MetaBackendPrivate *priv = meta_backend_get_instance_private (backend);
priv->hw_cursor_inhibitors = g_list_prepend (priv->hw_cursor_inhibitors,
inhibitor);
}
void
meta_backend_remove_hw_cursor_inhibitor (MetaBackend *backend,
MetaHwCursorInhibitor *inhibitor)
{
MetaBackendPrivate *priv = meta_backend_get_instance_private (backend);
priv->hw_cursor_inhibitors = g_list_remove (priv->hw_cursor_inhibitors,
inhibitor);
}
gboolean
meta_backend_is_hw_cursors_inhibited (MetaBackend *backend)
{
MetaBackendPrivate *priv = meta_backend_get_instance_private (backend);
GList *l;
for (l = priv->hw_cursor_inhibitors; l; l = l->next)
{
MetaHwCursorInhibitor *inhibitor = l->data;
if (meta_hw_cursor_inhibitor_is_cursor_inhibited (inhibitor))
return TRUE;
}
return FALSE;
}

42
src/backends/meta-cursor-renderer.c
View File

@ -81,7 +81,7 @@ static guint signals[LAST_SIGNAL];
G_DEFINE_TYPE_WITH_PRIVATE (MetaCursorRenderer, meta_cursor_renderer, G_TYPE_OBJECT);
static gboolean
gboolean
meta_hw_cursor_inhibitor_is_cursor_inhibited (MetaHwCursorInhibitor *inhibitor)
{
MetaHwCursorInhibitorInterface *iface =
@ -475,46 +475,6 @@ meta_cursor_renderer_is_overlay_visible (MetaCursorRenderer *renderer)
return meta_overlay_is_visible (priv->stage_overlay);
}
void
meta_cursor_renderer_add_hw_cursor_inhibitor (MetaCursorRenderer *renderer,
MetaHwCursorInhibitor *inhibitor)
{
MetaCursorRendererPrivate *priv =
meta_cursor_renderer_get_instance_private (renderer);
priv->hw_cursor_inhibitors = g_list_prepend (priv->hw_cursor_inhibitors,
inhibitor);
}
void
meta_cursor_renderer_remove_hw_cursor_inhibitor (MetaCursorRenderer *renderer,
MetaHwCursorInhibitor *inhibitor)
{
MetaCursorRendererPrivate *priv =
meta_cursor_renderer_get_instance_private (renderer);
priv->hw_cursor_inhibitors = g_list_remove (priv->hw_cursor_inhibitors,
inhibitor);
}
gboolean
meta_cursor_renderer_is_hw_cursors_inhibited (MetaCursorRenderer *renderer)
{
MetaCursorRendererPrivate *priv =
meta_cursor_renderer_get_instance_private (renderer);
GList *l;
for (l = priv->hw_cursor_inhibitors; l; l = l->next)
{
MetaHwCursorInhibitor *inhibitor = l->data;
if (meta_hw_cursor_inhibitor_is_cursor_inhibited (inhibitor))
return TRUE;
}
return FALSE;
}
ClutterInputDevice *
meta_cursor_renderer_get_input_device (MetaCursorRenderer *renderer)
{

10
src/backends/meta-cursor-renderer.h
View File

@ -41,6 +41,8 @@ struct _MetaHwCursorInhibitorInterface
gboolean (* is_cursor_inhibited) (MetaHwCursorInhibitor *inhibitor);
};
gboolean meta_hw_cursor_inhibitor_is_cursor_inhibited (MetaHwCursorInhibitor *inhibitor);
#define META_TYPE_CURSOR_RENDERER (meta_cursor_renderer_get_type ())
G_DECLARE_DERIVABLE_TYPE (MetaCursorRenderer, meta_cursor_renderer,
META, CURSOR_RENDERER, GObject);
@ -66,14 +68,6 @@ MetaCursorSprite * meta_cursor_renderer_get_cursor (MetaCursorRenderer *renderer
gboolean meta_cursor_renderer_is_overlay_visible (MetaCursorRenderer *renderer);
void meta_cursor_renderer_add_hw_cursor_inhibitor (MetaCursorRenderer *renderer,
MetaHwCursorInhibitor *inhibitor);
void meta_cursor_renderer_remove_hw_cursor_inhibitor (MetaCursorRenderer *renderer,
MetaHwCursorInhibitor *inhibitor);
gboolean meta_cursor_renderer_is_hw_cursors_inhibited (MetaCursorRenderer *renderer);
graphene_rect_t meta_cursor_renderer_calculate_rect (MetaCursorRenderer *renderer,
MetaCursorSprite *cursor_sprite);

25
src/backends/meta-screen-cast-area-stream-src.c
View File

@ -83,19 +83,6 @@ get_backend (MetaScreenCastAreaStreamSrc *area_src)
return meta_screen_cast_get_backend (screen_cast);
}
static MetaCursorRenderer *
get_cursor_renderer (MetaScreenCastAreaStreamSrc *area_src)
{
MetaScreenCastStreamSrc *src = META_SCREEN_CAST_STREAM_SRC (area_src);
MetaScreenCastStream *stream = meta_screen_cast_stream_src_get_stream (src);
MetaScreenCastSession *session = meta_screen_cast_stream_get_session (stream);
MetaScreenCast *screen_cast =
meta_screen_cast_session_get_screen_cast (session);
MetaBackend *backend = meta_screen_cast_get_backend (screen_cast);
return meta_backend_get_cursor_renderer (backend);
}
static void
meta_screen_cast_area_stream_src_get_specs (MetaScreenCastStreamSrc *src,
int *width,
@ -199,14 +186,14 @@ cursor_changed (MetaCursorTracker *cursor_tracker,
static void
inhibit_hw_cursor (MetaScreenCastAreaStreamSrc *area_src)
{
MetaCursorRenderer *cursor_renderer;
MetaHwCursorInhibitor *inhibitor;
MetaBackend *backend;
g_return_if_fail (!area_src->hw_cursor_inhibited);
cursor_renderer = get_cursor_renderer (area_src);
backend = get_backend (area_src);
inhibitor = META_HW_CURSOR_INHIBITOR (area_src);
meta_cursor_renderer_add_hw_cursor_inhibitor (cursor_renderer, inhibitor);
meta_backend_add_hw_cursor_inhibitor (backend, inhibitor);
area_src->hw_cursor_inhibited = TRUE;
}
@ -214,14 +201,14 @@ inhibit_hw_cursor (MetaScreenCastAreaStreamSrc *area_src)
static void
uninhibit_hw_cursor (MetaScreenCastAreaStreamSrc *area_src)
{
MetaCursorRenderer *cursor_renderer;
MetaHwCursorInhibitor *inhibitor;
MetaBackend *backend;
g_return_if_fail (area_src->hw_cursor_inhibited);
cursor_renderer = get_cursor_renderer (area_src);
backend = get_backend (area_src);
inhibitor = META_HW_CURSOR_INHIBITOR (area_src);
meta_cursor_renderer_remove_hw_cursor_inhibitor (cursor_renderer, inhibitor);
meta_backend_remove_hw_cursor_inhibitor (backend, inhibitor);
area_src->hw_cursor_inhibited = FALSE;
}

25
src/backends/meta-screen-cast-monitor-stream-src.c
View File

@ -252,30 +252,17 @@ cursor_changed (MetaCursorTracker *cursor_tracker,
sync_cursor_state (monitor_src);
}
static MetaCursorRenderer *
get_cursor_renderer (MetaScreenCastMonitorStreamSrc *monitor_src)
{
MetaScreenCastStreamSrc *src = META_SCREEN_CAST_STREAM_SRC (monitor_src);
MetaScreenCastStream *stream = meta_screen_cast_stream_src_get_stream (src);
MetaScreenCastSession *session = meta_screen_cast_stream_get_session (stream);
MetaScreenCast *screen_cast =
meta_screen_cast_session_get_screen_cast (session);
MetaBackend *backend = meta_screen_cast_get_backend (screen_cast);
return meta_backend_get_cursor_renderer (backend);
}
static void
inhibit_hw_cursor (MetaScreenCastMonitorStreamSrc *monitor_src)
{
MetaCursorRenderer *cursor_renderer;
MetaHwCursorInhibitor *inhibitor;
MetaBackend *backend;
g_return_if_fail (!monitor_src->hw_cursor_inhibited);
cursor_renderer = get_cursor_renderer (monitor_src);
backend = get_backend (monitor_src);
inhibitor = META_HW_CURSOR_INHIBITOR (monitor_src);
meta_cursor_renderer_add_hw_cursor_inhibitor (cursor_renderer, inhibitor);
meta_backend_add_hw_cursor_inhibitor (backend, inhibitor);
monitor_src->hw_cursor_inhibited = TRUE;
}
@ -283,14 +270,14 @@ inhibit_hw_cursor (MetaScreenCastMonitorStreamSrc *monitor_src)
static void
uninhibit_hw_cursor (MetaScreenCastMonitorStreamSrc *monitor_src)
{
MetaCursorRenderer *cursor_renderer;
MetaHwCursorInhibitor *inhibitor;
MetaBackend *backend;
g_return_if_fail (monitor_src->hw_cursor_inhibited);
cursor_renderer = get_cursor_renderer (monitor_src);
backend = get_backend (monitor_src);
inhibitor = META_HW_CURSOR_INHIBITOR (monitor_src);
meta_cursor_renderer_remove_hw_cursor_inhibitor (cursor_renderer, inhibitor);
meta_backend_remove_hw_cursor_inhibitor (backend, inhibitor);
monitor_src->hw_cursor_inhibited = FALSE;
}

6
src/backends/native/meta-cursor-renderer-native.c
View File

@ -872,6 +872,10 @@ should_have_hw_cursor (MetaCursorRenderer *renderer,
MetaCursorSprite *cursor_sprite,
GList *gpus)
{
MetaCursorRendererNative *cursor_renderer_native =
META_CURSOR_RENDERER_NATIVE (renderer);
MetaCursorRendererNativePrivate *priv =
meta_cursor_renderer_native_get_instance_private (cursor_renderer_native);
CoglTexture *texture;
MetaMonitorTransform transform;
float scale;
@ -880,7 +884,7 @@ should_have_hw_cursor (MetaCursorRenderer *renderer,
if (!cursor_sprite)
return FALSE;
if (meta_cursor_renderer_is_hw_cursors_inhibited (renderer))
if (meta_backend_is_hw_cursors_inhibited (priv->backend))
return FALSE;
for (l = gpus; l; l = l->next)