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backends: Add a native cursor renderer

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This commit is contained in:
Jasper St. Pierre 2014-04-22 15:15:11 -04:00
parent a1ba480c8a
commit dd440e64da
10 changed files with 325 additions and 161 deletions
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2
src/Makefile.am
View file

@ -72,6 +72,8 @@ libmutter_la_SOURCES = \
backends/edid.h \
backends/native/meta-backend-native.c \
backends/native/meta-backend-native.h \
backends/native/meta-cursor-renderer-native.c \
backends/native/meta-cursor-renderer-native.h \
backends/native/meta-idle-monitor-native.c \
backends/native/meta-idle-monitor-native.h \
backends/native/meta-monitor-manager-kms.c \

1
src/backends/meta-backend-private.h
View file

@ -54,6 +54,7 @@ struct _MetaBackendClass
MetaIdleMonitor * (* create_idle_monitor) (MetaBackend *backend,
int device_id);
MetaMonitorManager * (* create_monitor_manager) (MetaBackend *backend);
MetaCursorRenderer * (* create_cursor_renderer) (MetaBackend *backend);
};
#endif /* META_BACKEND_PRIVATE_H */

15
src/backends/meta-backend.c
View file

@ -78,12 +78,24 @@ meta_backend_finalize (GObject *object)
G_OBJECT_CLASS (meta_backend_parent_class)->finalize (object);
}
static MetaCursorRenderer *
meta_backend_create_cursor_renderer (MetaBackend *backend)
{
return META_BACKEND_GET_CLASS (backend)->create_cursor_renderer (backend);
}
static void
meta_backend_real_post_init (MetaBackend *backend)
{
MetaBackendPrivate *priv = meta_backend_get_instance_private (backend);
priv->cursor_renderer = meta_cursor_renderer_new ();
priv->cursor_renderer = meta_backend_create_cursor_renderer (backend);
}
static MetaCursorRenderer *
meta_backend_real_create_cursor_renderer (MetaBackend *backend)
{
return meta_cursor_renderer_new ();
}
static void
@ -95,6 +107,7 @@ meta_backend_class_init (MetaBackendClass *klass)
object_class->finalize = meta_backend_finalize;
klass->post_init = meta_backend_real_post_init;
klass->create_cursor_renderer = meta_backend_real_create_cursor_renderer;
}
static void

180
src/backends/meta-cursor-renderer.c
View file

@ -30,151 +30,22 @@
#include <cogl/cogl.h>
#include <cogl/cogl-wayland-server.h>
#include <clutter/clutter.h>
#include <gbm.h>
#include "meta-monitor-manager.h"
#include "meta-stage.h"
#include "wayland/meta-wayland-private.h"
struct _MetaCursorRendererPrivate
{
gboolean has_hw_cursor;
int current_x, current_y;
MetaRectangle current_rect;
int drm_fd;
struct gbm_device *gbm;
MetaCursorReference *displayed_cursor;
};
typedef struct _MetaCursorRendererPrivate MetaCursorRendererPrivate;
G_DEFINE_TYPE_WITH_PRIVATE (MetaCursorRenderer, meta_cursor_renderer, G_TYPE_OBJECT);
static void
set_crtc_cursor (MetaCursorRenderer *renderer,
MetaCRTC *crtc,
MetaCursorReference *cursor,
gboolean force)
{
MetaCursorRendererPrivate *priv = meta_cursor_renderer_get_instance_private (renderer);
if (crtc->cursor == cursor && !force)
return;
crtc->cursor = cursor;
if (cursor)
{
struct gbm_bo *bo;
union gbm_bo_handle handle;
int width, height;
int hot_x, hot_y;
bo = meta_cursor_reference_get_gbm_bo (cursor, &hot_x, &hot_y);
handle = gbm_bo_get_handle (bo);
width = gbm_bo_get_width (bo);
height = gbm_bo_get_height (bo);
drmModeSetCursor2 (priv->drm_fd, crtc->crtc_id, handle.u32,
width, height, hot_x, hot_y);
}
else
{
drmModeSetCursor2 (priv->drm_fd, crtc->crtc_id, 0, 0, 0, 0, 0);
}
}
static void
update_hw_cursor (MetaCursorRenderer *renderer,
gboolean force)
{
MetaCursorRendererPrivate *priv = meta_cursor_renderer_get_instance_private (renderer);
MetaRectangle *cursor_rect = &priv->current_rect;
MetaMonitorManager *monitors;
MetaCRTC *crtcs;
unsigned int i, n_crtcs;
monitors = meta_monitor_manager_get ();
meta_monitor_manager_get_resources (monitors, NULL, NULL, &crtcs, &n_crtcs, NULL, NULL);
for (i = 0; i < n_crtcs; i++)
{
gboolean crtc_should_have_cursor;
MetaCursorReference *cursor;
MetaRectangle *crtc_rect;
crtc_rect = &crtcs[i].rect;
crtc_should_have_cursor = (priv->has_hw_cursor && meta_rectangle_overlap (cursor_rect, crtc_rect));
if (crtc_should_have_cursor)
cursor = priv->displayed_cursor;
else
cursor = NULL;
set_crtc_cursor (renderer, &crtcs[i], cursor, force);
if (cursor)
{
drmModeMoveCursor (priv->drm_fd, crtcs[i].crtc_id,
cursor_rect->x - crtc_rect->x,
cursor_rect->y - crtc_rect->y);
}
}
}
static void
on_monitors_changed (MetaMonitorManager *monitors,
MetaCursorRenderer *renderer)
{
/* Our tracking is all messed up, so force an update. */
update_hw_cursor (renderer, TRUE);
}
static void
meta_cursor_renderer_finalize (GObject *object)
{
MetaCursorRenderer *renderer = META_CURSOR_RENDERER (object);
MetaCursorRendererPrivate *priv = meta_cursor_renderer_get_instance_private (renderer);
if (priv->gbm)
gbm_device_destroy (priv->gbm);
G_OBJECT_CLASS (meta_cursor_renderer_parent_class)->finalize (object);
}
static void
meta_cursor_renderer_class_init (MetaCursorRendererClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = meta_cursor_renderer_finalize;
}
static void
meta_cursor_renderer_init (MetaCursorRenderer *renderer)
{
MetaCursorRendererPrivate *priv = meta_cursor_renderer_get_instance_private (renderer);
CoglContext *ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
MetaMonitorManager *monitors;
monitors = meta_monitor_manager_get ();
g_signal_connect_object (monitors, "monitors-changed",
G_CALLBACK (on_monitors_changed), renderer, 0);
#if defined(CLUTTER_WINDOWING_EGL)
if (clutter_check_windowing_backend (CLUTTER_WINDOWING_EGL))
{
CoglRenderer *cogl_renderer = cogl_display_get_renderer (cogl_context_get_display (ctx));
priv->drm_fd = cogl_kms_renderer_get_kms_fd (cogl_renderer);
priv->gbm = gbm_create_device (priv->drm_fd);
}
#endif
}
static void
queue_redraw (MetaCursorRenderer *renderer)
{
@ -197,15 +68,21 @@ queue_redraw (MetaCursorRenderer *renderer)
&priv->current_rect);
}
static gboolean
should_have_hw_cursor (MetaCursorRenderer *renderer)
static void
meta_cursor_renderer_real_update_cursor (MetaCursorRenderer *renderer)
{
MetaCursorRendererPrivate *priv = meta_cursor_renderer_get_instance_private (renderer);
queue_redraw (renderer);
}
if (priv->displayed_cursor)
return (meta_cursor_reference_get_gbm_bo (priv->displayed_cursor, NULL, NULL) != NULL);
else
return FALSE;
static void
meta_cursor_renderer_class_init (MetaCursorRendererClass *klass)
{
klass->update_cursor = meta_cursor_renderer_real_update_cursor;
}
static void
meta_cursor_renderer_init (MetaCursorRenderer *renderer)
{
}
static void
@ -233,14 +110,7 @@ update_cursor (MetaCursorRenderer *renderer)
priv->current_rect.height = 0;
}
if (meta_is_wayland_compositor ())
{
priv->has_hw_cursor = should_have_hw_cursor (renderer);
update_hw_cursor (renderer, FALSE);
if (!priv->has_hw_cursor)
queue_redraw (renderer);
}
META_CURSOR_RENDERER_GET_CLASS (renderer)->update_cursor (renderer);
}
MetaCursorRenderer *
@ -276,18 +146,18 @@ meta_cursor_renderer_set_position (MetaCursorRenderer *renderer,
update_cursor (renderer);
}
void
meta_cursor_renderer_force_update (MetaCursorRenderer *renderer)
{
g_assert (meta_is_wayland_compositor ());
update_hw_cursor (renderer, TRUE);
}
struct gbm_device *
meta_cursor_renderer_get_gbm_device (MetaCursorRenderer *renderer)
MetaCursorReference *
meta_cursor_renderer_get_cursor (MetaCursorRenderer *renderer)
{
MetaCursorRendererPrivate *priv = meta_cursor_renderer_get_instance_private (renderer);
return priv->gbm;
return priv->displayed_cursor;
}
const MetaRectangle *
meta_cursor_renderer_get_rect (MetaCursorRenderer *renderer)
{
MetaCursorRendererPrivate *priv = meta_cursor_renderer_get_instance_private (renderer);
return &priv->current_rect;
}

7
src/backends/meta-cursor-renderer.h
View file

@ -50,6 +50,8 @@ struct _MetaCursorRenderer
struct _MetaCursorRendererClass
{
GObjectClass parent_class;
void (* update_cursor) (MetaCursorRenderer *renderer);
};
GType meta_cursor_renderer_get_type (void) G_GNUC_CONST;
@ -62,8 +64,7 @@ void meta_cursor_renderer_set_cursor (MetaCursorRenderer *renderer,
void meta_cursor_renderer_set_position (MetaCursorRenderer *renderer,
int x, int y);
void meta_cursor_renderer_force_update (MetaCursorRenderer *renderer);
struct gbm_device * meta_cursor_renderer_get_gbm_device (MetaCursorRenderer *renderer);
MetaCursorReference * meta_cursor_renderer_get_cursor (MetaCursorRenderer *renderer);
const MetaRectangle * meta_cursor_renderer_get_rect (MetaCursorRenderer *renderer);
#endif /* META_CURSOR_RENDERER_H */

7
src/backends/meta-cursor.c
View file

@ -29,6 +29,7 @@
#include "screen-private.h"
#include "meta-backend.h"
#include "meta-cursor-tracker-private.h"
#include "backends/native/meta-cursor-renderer-native.h"
#include <string.h>
@ -181,7 +182,11 @@ get_gbm_device (void)
{
MetaBackend *meta_backend = meta_get_backend ();
MetaCursorRenderer *renderer = meta_backend_get_cursor_renderer (meta_backend);
return meta_cursor_renderer_get_gbm_device (renderer);
if (META_IS_CURSOR_RENDERER_NATIVE (renderer))
return meta_cursor_renderer_native_get_gbm_device (META_CURSOR_RENDERER_NATIVE (renderer));
else
return NULL;
}
static void

8
src/backends/native/meta-backend-native.c
View file

@ -30,6 +30,7 @@
#include "meta-idle-monitor-native.h"
#include "meta-monitor-manager-kms.h"
#include "meta-cursor-renderer-native.h"
#include "meta-weston-launch.h"
struct _MetaBackendNativePrivate
@ -164,6 +165,12 @@ meta_backend_native_create_monitor_manager (MetaBackend *backend)
return g_object_new (META_TYPE_MONITOR_MANAGER_KMS, NULL);
}
static MetaCursorRenderer *
meta_backend_native_create_cursor_renderer (MetaBackend *backend)
{
return g_object_new (META_TYPE_CURSOR_RENDERER_NATIVE, NULL);
}
static void
meta_backend_native_class_init (MetaBackendNativeClass *klass)
{
@ -172,6 +179,7 @@ meta_backend_native_class_init (MetaBackendNativeClass *klass)
backend_class->post_init = meta_backend_native_post_init;
backend_class->create_idle_monitor = meta_backend_native_create_idle_monitor;
backend_class->create_monitor_manager = meta_backend_native_create_monitor_manager;
backend_class->create_cursor_renderer = meta_backend_native_create_cursor_renderer;
}
static void

208
src/backends/native/meta-cursor-renderer-native.c Normal file
View file

@ -0,0 +1,208 @@
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2014 Red Hat
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Written by:
* Jasper St. Pierre <jstpierre@mecheye.net>
*/
#include "config.h"
#include "meta-cursor-renderer-native.h"
#include <gbm.h>
#include "meta-cursor-private.h"
#include "meta-monitor-manager.h"
struct _MetaCursorRendererNativePrivate
{
gboolean has_hw_cursor;
int drm_fd;
struct gbm_device *gbm;
};
typedef struct _MetaCursorRendererNativePrivate MetaCursorRendererNativePrivate;
G_DEFINE_TYPE_WITH_PRIVATE (MetaCursorRendererNative, meta_cursor_renderer_native, META_TYPE_CURSOR_RENDERER);
static void
meta_cursor_renderer_native_finalize (GObject *object)
{
MetaCursorRendererNative *renderer = META_CURSOR_RENDERER_NATIVE (object);
MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (renderer);
if (priv->gbm)
gbm_device_destroy (priv->gbm);
G_OBJECT_CLASS (meta_cursor_renderer_native_parent_class)->finalize (object);
}
static void
set_crtc_cursor (MetaCursorRendererNative *native,
MetaCRTC *crtc,
MetaCursorReference *cursor,
gboolean force)
{
MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native);
if (crtc->cursor == cursor && !force)
return;
crtc->cursor = cursor;
if (cursor)
{
struct gbm_bo *bo;
union gbm_bo_handle handle;
int width, height;
int hot_x, hot_y;
bo = meta_cursor_reference_get_gbm_bo (cursor, &hot_x, &hot_y);
handle = gbm_bo_get_handle (bo);
width = gbm_bo_get_width (bo);
height = gbm_bo_get_height (bo);
drmModeSetCursor2 (priv->drm_fd, crtc->crtc_id, handle.u32,
width, height, hot_x, hot_y);
}
else
{
drmModeSetCursor2 (priv->drm_fd, crtc->crtc_id, 0, 0, 0, 0, 0);
}
}
static void
update_hw_cursor (MetaCursorRendererNative *native,
gboolean force)
{
MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native);
MetaCursorRenderer *renderer = META_CURSOR_RENDERER (native);
const MetaRectangle *cursor_rect = meta_cursor_renderer_get_rect (renderer);
MetaCursorReference *cursor = meta_cursor_renderer_get_cursor (renderer);
MetaMonitorManager *monitors;
MetaCRTC *crtcs;
unsigned int i, n_crtcs;
monitors = meta_monitor_manager_get ();
meta_monitor_manager_get_resources (monitors, NULL, NULL, &crtcs, &n_crtcs, NULL, NULL);
for (i = 0; i < n_crtcs; i++)
{
gboolean crtc_should_have_cursor;
MetaCursorReference *crtc_cursor;
MetaRectangle *crtc_rect;
crtc_rect = &crtcs[i].rect;
crtc_should_have_cursor = (priv->has_hw_cursor && meta_rectangle_overlap (cursor_rect, crtc_rect));
if (crtc_should_have_cursor)
crtc_cursor = cursor;
else
crtc_cursor = NULL;
set_crtc_cursor (native, &crtcs[i], crtc_cursor, force);
if (cursor)
{
drmModeMoveCursor (priv->drm_fd, crtcs[i].crtc_id,
cursor_rect->x - crtc_rect->x,
cursor_rect->y - crtc_rect->y);
}
}
}
static gboolean
should_have_hw_cursor (MetaCursorRenderer *renderer)
{
MetaCursorReference *cursor = meta_cursor_renderer_get_cursor (renderer);
if (cursor)
return (meta_cursor_reference_get_gbm_bo (cursor, NULL, NULL) != NULL);
else
return FALSE;
}
static void
meta_cursor_renderer_native_update_cursor (MetaCursorRenderer *renderer)
{
MetaCursorRendererNative *native = META_CURSOR_RENDERER_NATIVE (renderer);
MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native);
priv->has_hw_cursor = should_have_hw_cursor (renderer);
update_hw_cursor (native, FALSE);
/* Fall back to the stage-based cursor if we don't have HW cursors. */
if (!priv->has_hw_cursor)
META_CURSOR_RENDERER_CLASS (meta_cursor_renderer_native_parent_class)->update_cursor (renderer);
}
static void
meta_cursor_renderer_native_class_init (MetaCursorRendererNativeClass *klass)
{
MetaCursorRendererClass *renderer_class = META_CURSOR_RENDERER_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = meta_cursor_renderer_native_finalize;
renderer_class->update_cursor = meta_cursor_renderer_native_update_cursor;
}
static void
on_monitors_changed (MetaMonitorManager *monitors,
MetaCursorRendererNative *native)
{
/* Our tracking is all messed up, so force an update. */
update_hw_cursor (native, TRUE);
}
static void
meta_cursor_renderer_native_init (MetaCursorRendererNative *native)
{
MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native);
CoglContext *ctx = clutter_backend_get_cogl_context (clutter_get_default_backend ());
MetaMonitorManager *monitors;
monitors = meta_monitor_manager_get ();
g_signal_connect_object (monitors, "monitors-changed",
G_CALLBACK (on_monitors_changed), native, 0);
#if defined(CLUTTER_WINDOWING_EGL)
if (clutter_check_windowing_backend (CLUTTER_WINDOWING_EGL))
{
CoglRenderer *cogl_renderer = cogl_display_get_renderer (cogl_context_get_display (ctx));
priv->drm_fd = cogl_kms_renderer_get_kms_fd (cogl_renderer);
priv->gbm = gbm_create_device (priv->drm_fd);
}
#endif
}
struct gbm_device *
meta_cursor_renderer_native_get_gbm_device (MetaCursorRendererNative *native)
{
MetaCursorRendererNativePrivate *priv = meta_cursor_renderer_native_get_instance_private (native);
return priv->gbm;
}
void
meta_cursor_renderer_native_force_update (MetaCursorRendererNative *native)
{
update_hw_cursor (native, TRUE);
}

55
src/backends/native/meta-cursor-renderer-native.h Normal file
View file

@ -0,0 +1,55 @@
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2014 Red Hat
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Written by:
* Jasper St. Pierre <jstpierre@mecheye.net>
*/
#ifndef META_CURSOR_RENDERER_NATIVE_H
#define META_CURSOR_RENDERER_NATIVE_H
#include "meta-cursor-renderer.h"
#define META_TYPE_CURSOR_RENDERER_NATIVE (meta_cursor_renderer_native_get_type ())
#define META_CURSOR_RENDERER_NATIVE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_CURSOR_RENDERER_NATIVE, MetaCursorRendererNative))
#define META_CURSOR_RENDERER_NATIVE_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), META_TYPE_CURSOR_RENDERER_NATIVE, MetaCursorRendererNativeClass))
#define META_IS_CURSOR_RENDERER_NATIVE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_TYPE_CURSOR_RENDERER_NATIVE))
#define META_IS_CURSOR_RENDERER_NATIVE_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), META_TYPE_CURSOR_RENDERER_NATIVE))
#define META_CURSOR_RENDERER_NATIVE_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), META_TYPE_CURSOR_RENDERER_NATIVE, MetaCursorRendererNativeClass))
typedef struct _MetaCursorRendererNative MetaCursorRendererNative;
typedef struct _MetaCursorRendererNativeClass MetaCursorRendererNativeClass;
struct _MetaCursorRendererNative
{
MetaCursorRenderer parent;
};
struct _MetaCursorRendererNativeClass
{
MetaCursorRendererClass parent_class;
};
GType meta_cursor_renderer_native_get_type (void) G_GNUC_CONST;
struct gbm_device * meta_cursor_renderer_native_get_gbm_device (MetaCursorRendererNative *renderer);
void meta_cursor_renderer_native_force_update (MetaCursorRendererNative *renderer);
#endif /* META_CURSOR_RENDERER_NATIVE_H */

3
src/backends/native/meta-weston-launch.c
View file

@ -44,6 +44,7 @@
#include "wayland/meta-wayland-private.h"
#include "backends/meta-backend.h"
#include "meta-cursor-renderer-native.h"
#include "meta-weston-launch.h"
struct _MetaLauncher
@ -224,7 +225,7 @@ meta_launcher_enter (MetaLauncher *launcher)
* update. */
clutter_actor_queue_redraw (compositor->stage);
meta_cursor_renderer_force_update (renderer);
meta_cursor_renderer_native_force_update (META_CURSOR_RENDERER_NATIVE (renderer));
}
}