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mutter/src/core/monitor-private.h
Giovanni Campagna a3e44d13d1 wayland: implement HW cursors 
Use the DRM API and libgbm to upload cursor buffers to the
appropriate HW plane, saving on GL calls and compositing.

https://bugzilla.gnome.org/show_bug.cgi?id=707573
2013-09-16 09:27:48 +02:00

420 lines
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/**
* \file screen-private.h Handling of monitor configuration
*
* Managing multiple monitors
* This file contains structures and functions that handle
* multiple monitors, including reading the current configuration
* and available hardware, and applying it.
*
* This interface is private to mutter, API users should look
* at MetaScreen instead.
*/
/*
* Copyright (C) 2001 Havoc Pennington
* Copyright (C) 2003 Rob Adams
* Copyright (C) 2004-2006 Elijah Newren
* Copyright (C) 2013 Red Hat Inc.
*
* 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.
*/
#ifndef META_MONITOR_PRIVATE_H
#define META_MONITOR_PRIVATE_H
#include <cogl/cogl.h>
#include <libgnome-desktop/gnome-pnp-ids.h>
#include "display-private.h"
#include <meta/screen.h>
#include "stack-tracker.h"
#include "ui.h"
#ifdef HAVE_WAYLAND
#include <wayland-server.h>
#endif
#include "meta-xrandr-shared.h"
#include "meta-dbus-xrandr.h"
typedef struct _MetaMonitorManagerClass MetaMonitorManagerClass;
typedef struct _MetaMonitorManager MetaMonitorManager;
typedef struct _MetaMonitorConfigClass MetaMonitorConfigClass;
typedef struct _MetaMonitorConfig MetaMonitorConfig;
#ifndef HAVE_WAYLAND
enum wl_output_transform {
WL_OUTPUT_TRANSFORM_NORMAL,
WL_OUTPUT_TRANSFORM_90,
WL_OUTPUT_TRANSFORM_180,
WL_OUTPUT_TRANSFORM_270,
WL_OUTPUT_TRANSFORM_FLIPPED,
WL_OUTPUT_TRANSFORM_FLIPPED_90,
WL_OUTPUT_TRANSFORM_FLIPPED_180,
WL_OUTPUT_TRANSFORM_FLIPPED_270
};
#endif
typedef struct _MetaOutput MetaOutput;
typedef struct _MetaCRTC MetaCRTC;
typedef struct _MetaMonitorMode MetaMonitorMode;
typedef struct _MetaMonitorInfo MetaMonitorInfo;
typedef struct _MetaCRTCInfo MetaCRTCInfo;
typedef struct _MetaOutputInfo MetaOutputInfo;
struct _MetaOutput
{
/* The CRTC driving this output, NULL if the output is not enabled */
MetaCRTC *crtc;
/* The low-level ID of this output, used to apply back configuration */
glong output_id;
char *name;
char *vendor;
char *product;
char *serial;
int width_mm;
int height_mm;
CoglSubpixelOrder subpixel_order;
MetaMonitorMode *preferred_mode;
MetaMonitorMode **modes;
unsigned int n_modes;
MetaCRTC **possible_crtcs;
unsigned int n_possible_crtcs;
MetaOutput **possible_clones;
unsigned int n_possible_clones;
int backlight;
int backlight_min;
int backlight_max;
/* Used when changing configuration */
gboolean is_dirty;
/* The low-level bits used to build the high-level info
in MetaMonitorInfo
XXX: flags maybe?
There is a lot of code that uses MonitorInfo->is_primary,
but nobody uses MetaOutput yet
*/
gboolean is_primary;
gboolean is_presentation;
gpointer driver_private;
GDestroyNotify driver_notify;
};
struct _MetaCRTC
{
glong crtc_id;
MetaRectangle rect;
MetaMonitorMode *current_mode;
enum wl_output_transform transform;
unsigned int all_transforms;
/* Only used to build the logical configuration
from the HW one
*/
MetaMonitorInfo *logical_monitor;
/* Used when changing configuration */
gboolean is_dirty;
/* Updated by MetaCursorTracker */
gboolean has_hw_cursor;
};
struct _MetaMonitorMode
{
/* The low-level ID of this mode, used to apply back configuration */
glong mode_id;
char *name;
int width;
int height;
float refresh_rate;
gpointer driver_private;
GDestroyNotify driver_notify;
};
/**
* MetaMonitorInfo:
*
* A structure with high-level information about monitors.
* This corresponds to a subset of the compositor coordinate space.
* Clones are only reported once, irrespective of the way
* they're implemented (two CRTCs configured for the same
* coordinates or one CRTCs driving two outputs). Inactive CRTCs
* are ignored, and so are disabled outputs.
*/
struct _MetaMonitorInfo
{
int number;
int xinerama_index;
MetaRectangle rect;
gboolean is_primary;
gboolean is_presentation; /* XXX: not yet used */
gboolean in_fullscreen;
/* The primary or first output for this monitor, 0 if we can't figure out.
It can be matched to an output_id of a MetaOutput.
This is used as an opaque token on reconfiguration when switching from
clone to extened, to decide on what output the windows should go next
(it's an attempt to keep windows on the same monitor, and preferably on
the primary one).
*/
glong output_id;
};
/*
* MetaCRTCInfo:
* This represents the writable part of a CRTC, as deserialized from DBus
* or built by MetaMonitorConfig
*
* Note: differently from the other structures in this file, MetaCRTCInfo
* is handled by pointer. This is to accomodate the usage in MetaMonitorConfig
*/
struct _MetaCRTCInfo {
MetaCRTC *crtc;
MetaMonitorMode *mode;
int x;
int y;
enum wl_output_transform transform;
GPtrArray *outputs;
};
/*
* MetaOutputInfo:
* this is the same as MetaOutputInfo, but for CRTCs
*/
struct _MetaOutputInfo {
MetaOutput *output;
gboolean is_primary;
gboolean is_presentation;
};
#define META_TYPE_MONITOR_MANAGER (meta_monitor_manager_get_type ())
#define META_MONITOR_MANAGER(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_MONITOR_MANAGER, MetaMonitorManager))
#define META_MONITOR_MANAGER_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), META_TYPE_MONITOR_MANAGER, MetaMonitorManagerClass))
#define META_IS_MONITOR_MANAGER(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_TYPE_MONITOR_MANAGER))
#define META_IS_MONITOR_MANAGER_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), META_TYPE_MONITOR_MANAGER))
#define META_MONITOR_MANAGER_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), META_TYPE_MONITOR_MANAGER, MetaMonitorManagerClass))
struct _MetaMonitorManager
{
MetaDBusDisplayConfigSkeleton parent_instance;
/* XXX: this structure is very badly
packed, but I like the logical organization
of fields */
gboolean in_init;
unsigned int serial;
MetaPowerSave power_save_mode;
int max_screen_width;
int max_screen_height;
int screen_width;
int screen_height;
/* Outputs refer to physical screens,
CRTCs refer to stuff that can drive outputs
(like encoders, but less tied to the HW),
while monitor_infos refer to logical ones.
See also the comment in monitor-private.h
*/
MetaOutput *outputs;
unsigned int n_outputs;
MetaMonitorMode *modes;
unsigned int n_modes;
MetaCRTC *crtcs;
unsigned int n_crtcs;
MetaMonitorInfo *monitor_infos;
unsigned int n_monitor_infos;
int primary_monitor_index;
int dbus_name_id;
int persistent_timeout_id;
MetaMonitorConfig *config;
GnomePnpIds *pnp_ids;
};
struct _MetaMonitorManagerClass
{
MetaDBusDisplayConfigSkeletonClass parent_class;
void (*read_current) (MetaMonitorManager *);
char* (*get_edid_file) (MetaMonitorManager *,
MetaOutput *);
GBytes* (*read_edid) (MetaMonitorManager *,
MetaOutput *);
void (*apply_configuration) (MetaMonitorManager *,
MetaCRTCInfo **,
unsigned int ,
MetaOutputInfo **,
unsigned int);
void (*set_power_save_mode) (MetaMonitorManager *,
MetaPowerSave);
void (*change_backlight) (MetaMonitorManager *,
MetaOutput *,
int);
void (*get_crtc_gamma) (MetaMonitorManager *,
MetaCRTC *,
gsize *,
unsigned short **,
unsigned short **,
unsigned short **);
void (*set_crtc_gamma) (MetaMonitorManager *,
MetaCRTC *,
gsize ,
unsigned short *,
unsigned short *,
unsigned short *);
gboolean (*handle_xevent) (MetaMonitorManager *,
XEvent *);
};
GType meta_monitor_manager_get_type (void);
void meta_monitor_manager_initialize (void);
MetaMonitorManager *meta_monitor_manager_get (void);
void meta_monitor_manager_rebuild_derived (MetaMonitorManager *manager);
MetaMonitorInfo *meta_monitor_manager_get_monitor_infos (MetaMonitorManager *manager,
unsigned int *n_infos);
MetaOutput *meta_monitor_manager_get_outputs (MetaMonitorManager *manager,
unsigned int *n_outputs);
void meta_monitor_manager_get_resources (MetaMonitorManager *manager,
MetaMonitorMode **modes,
unsigned int *n_modes,
MetaCRTC **crtcs,
unsigned int *n_crtcs,
MetaOutput **outputs,
unsigned int *n_outputs);
int meta_monitor_manager_get_primary_index (MetaMonitorManager *manager);
gboolean meta_monitor_manager_handle_xevent (MetaMonitorManager *manager,
XEvent *event);
void meta_monitor_manager_get_screen_size (MetaMonitorManager *manager,
int *width,
int *height);
void meta_monitor_manager_get_screen_limits (MetaMonitorManager *manager,
int *width,
int *height);
void meta_monitor_manager_apply_configuration (MetaMonitorManager *manager,
MetaCRTCInfo **crtcs,
unsigned int n_crtcs,
MetaOutputInfo **outputs,
unsigned int n_outputs);
void meta_monitor_manager_confirm_configuration (MetaMonitorManager *manager,
gboolean ok);
#define META_TYPE_MONITOR_MANAGER_XRANDR (meta_monitor_manager_xrandr_get_type ())
#define META_MONITOR_MANAGER_XRANDR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_MONITOR_MANAGER_XRANDR, MetaMonitorManagerXrandr))
#define META_MONITOR_MANAGER_XRANDR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), META_TYPE_MONITOR_MANAGER_XRANDR, MetaMonitorManagerXrandrClass))
#define META_IS_MONITOR_MANAGER_XRANDR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_TYPE_MONITOR_MANAGER_XRANDR))
#define META_IS_MONITOR_MANAGER_XRANDR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), META_TYPE_MONITOR_MANAGER_XRANDR))
#define META_MONITOR_MANAGER_XRANDR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), META_TYPE_MONITOR_MANAGER_XRANDR, MetaMonitorManagerXrandrClass))
typedef struct _MetaMonitorManagerXrandrClass MetaMonitorManagerXrandrClass;
typedef struct _MetaMonitorManagerXrandr MetaMonitorManagerXrandr;
GType meta_monitor_manager_xrandr_get_type (void);
#define META_TYPE_MONITOR_MANAGER_KMS (meta_monitor_manager_kms_get_type ())
#define META_MONITOR_MANAGER_KMS(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_MONITOR_MANAGER_KMS, MetaMonitorManagerKms))
#define META_MONITOR_MANAGER_KMS_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), META_TYPE_MONITOR_MANAGER_KMS, MetaMonitorManagerKmsClass))
#define META_IS_MONITOR_MANAGER_KMS(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_TYPE_MONITOR_MANAGER_KMS))
#define META_IS_MONITOR_MANAGER_KMS_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), META_TYPE_MONITOR_MANAGER_KMS))
#define META_MONITOR_MANAGER_KMS_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), META_TYPE_MONITOR_MANAGER_KMS, MetaMonitorManagerKmsClass))
typedef struct _MetaMonitorManagerKmsClass MetaMonitorManagerKmsClass;
typedef struct _MetaMonitorManagerKms MetaMonitorManagerKms;
GType meta_monitor_manager_kms_get_type (void);
#define META_TYPE_MONITOR_CONFIG (meta_monitor_config_get_type ())
#define META_MONITOR_CONFIG(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_MONITOR_CONFIG, MetaMonitorConfig))
#define META_MONITOR_CONFIG_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), META_TYPE_MONITOR_CONFIG, MetaMonitorConfigClass))
#define META_IS_MONITOR_CONFIG(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_TYPE_MONITOR_CONFIG))
#define META_IS_MONITOR_CONFIG_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), META_TYPE_MONITOR_CONFIG))
#define META_MONITOR_CONFIG_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), META_TYPE_MONITOR_CONFIG, MetaMonitorConfigClass))
GType meta_monitor_config_get_type (void) G_GNUC_CONST;
MetaMonitorConfig *meta_monitor_config_new (void);
gboolean meta_monitor_config_match_current (MetaMonitorConfig *config,
MetaMonitorManager *manager);
gboolean meta_monitor_config_apply_stored (MetaMonitorConfig *config,
MetaMonitorManager *manager);
void meta_monitor_config_make_default (MetaMonitorConfig *config,
MetaMonitorManager *manager);
void meta_monitor_config_update_current (MetaMonitorConfig *config,
MetaMonitorManager *manager);
void meta_monitor_config_make_persistent (MetaMonitorConfig *config);
void meta_monitor_config_restore_previous (MetaMonitorConfig *config,
MetaMonitorManager *manager);
void meta_crtc_info_free (MetaCRTCInfo *info);
void meta_output_info_free (MetaOutputInfo *info);
void meta_monitor_manager_free_output_array (MetaOutput *old_outputs,
int n_old_outputs);
void meta_monitor_manager_free_mode_array (MetaMonitorMode *old_modes,
int n_old_modes);
/* Returns true if transform causes width and height to be inverted
This is true for the odd transforms in the enum */
static inline gboolean
meta_monitor_transform_is_rotated (enum wl_output_transform transform)
{
return (transform % 2);
}
#endif
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