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mutter-performance-source/src/backends/meta-monitor-config-manager.c
Marco Trevisan (Treviño) 617e1b30e2 monitor-config-manager: Rename builtin monitor lookup utility function 
It's only meant to find the builtin monitor configuration, for any
rotation, so no need to specify that.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1233>
2021-09-04 10:01:29 +02:00

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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2016 Red Hat
* Copyright (c) 2018 DisplayLink (UK) Ltd.
*
* 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.
*/
#include "config.h"
#include "backends/meta-monitor-config-manager.h"
#include "backends/meta-backend-private.h"
#include "backends/meta-monitor-config-migration.h"
#include "backends/meta-monitor-config-store.h"
#include "backends/meta-monitor-manager-private.h"
#include "backends/meta-output.h"
#include "core/boxes-private.h"
#include "meta/meta-monitor-manager.h"
#define CONFIG_HISTORY_MAX_SIZE 3
struct _MetaMonitorConfigManager
{
GObject parent;
MetaMonitorManager *monitor_manager;
MetaMonitorConfigStore *config_store;
MetaMonitorsConfig *current_config;
GQueue config_history;
};
G_DEFINE_TYPE (MetaMonitorConfigManager, meta_monitor_config_manager,
G_TYPE_OBJECT)
G_DEFINE_TYPE (MetaMonitorsConfig, meta_monitors_config,
G_TYPE_OBJECT)
static void
meta_crtc_assignment_free (MetaCrtcAssignment *assignment);
static void
meta_output_assignment_free (MetaOutputAssignment *assignment);
MetaMonitorConfigManager *
meta_monitor_config_manager_new (MetaMonitorManager *monitor_manager)
{
MetaMonitorConfigManager *config_manager;
config_manager = g_object_new (META_TYPE_MONITOR_CONFIG_MANAGER, NULL);
config_manager->monitor_manager = monitor_manager;
config_manager->config_store =
meta_monitor_config_store_new (monitor_manager);
return config_manager;
}
MetaMonitorConfigStore *
meta_monitor_config_manager_get_store (MetaMonitorConfigManager *config_manager)
{
return config_manager->config_store;
}
static gboolean
is_crtc_reserved (MetaCrtc *crtc,
GArray *reserved_crtcs)
{
unsigned int i;
for (i = 0; i < reserved_crtcs->len; i++)
{
uint64_t id;
id = g_array_index (reserved_crtcs, uint64_t, i);
if (id == meta_crtc_get_id (crtc))
return TRUE;
}
return FALSE;
}
static gboolean
is_crtc_assigned (MetaCrtc *crtc,
GPtrArray *crtc_assignments)
{
unsigned int i;
for (i = 0; i < crtc_assignments->len; i++)
{
MetaCrtcAssignment *assigned_crtc_assignment =
g_ptr_array_index (crtc_assignments, i);
if (assigned_crtc_assignment->crtc == crtc)
return TRUE;
}
return FALSE;
}
static MetaCrtc *
find_unassigned_crtc (MetaOutput *output,
GPtrArray *crtc_assignments,
GArray *reserved_crtcs)
{
MetaCrtc *crtc;
const MetaOutputInfo *output_info;
unsigned int i;
crtc = meta_output_get_assigned_crtc (output);
if (crtc && !is_crtc_assigned (crtc, crtc_assignments))
return crtc;
output_info = meta_output_get_info (output);
/* then try to assign a CRTC that wasn't used */
for (i = 0; i < output_info->n_possible_crtcs; i++)
{
crtc = output_info->possible_crtcs[i];
if (is_crtc_assigned (crtc, crtc_assignments))
continue;
if (is_crtc_reserved (crtc, reserved_crtcs))
continue;
return crtc;
}
/* finally just give a CRTC that we haven't assigned */
for (i = 0; i < output_info->n_possible_crtcs; i++)
{
crtc = output_info->possible_crtcs[i];
if (is_crtc_assigned (crtc, crtc_assignments))
continue;
return crtc;
}
return NULL;
}
typedef struct
{
MetaMonitorManager *monitor_manager;
MetaMonitorsConfig *config;
MetaLogicalMonitorConfig *logical_monitor_config;
MetaMonitorConfig *monitor_config;
GPtrArray *crtc_assignments;
GPtrArray *output_assignments;
GArray *reserved_crtcs;
} MonitorAssignmentData;
static gboolean
assign_monitor_crtc (MetaMonitor *monitor,
MetaMonitorMode *mode,
MetaMonitorCrtcMode *monitor_crtc_mode,
gpointer user_data,
GError **error)
{
MonitorAssignmentData *data = user_data;
MetaOutput *output;
MetaCrtc *crtc;
MetaMonitorTransform transform;
MetaMonitorTransform crtc_transform;
MetaMonitorTransform crtc_hw_transform;
int crtc_x, crtc_y;
float x_offset, y_offset;
float scale = 0.0;
float width, height;
MetaCrtcMode *crtc_mode;
const MetaCrtcModeInfo *crtc_mode_info;
graphene_rect_t crtc_layout;
MetaCrtcAssignment *crtc_assignment;
MetaOutputAssignment *output_assignment;
MetaMonitorConfig *first_monitor_config;
gboolean assign_output_as_primary;
gboolean assign_output_as_presentation;
output = monitor_crtc_mode->output;
crtc = find_unassigned_crtc (output,
data->crtc_assignments,
data->reserved_crtcs);
if (!crtc)
{
MetaMonitorSpec *monitor_spec = meta_monitor_get_spec (monitor);
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"No available CRTC for monitor '%s %s' not found",
monitor_spec->vendor, monitor_spec->product);
return FALSE;
}
transform = data->logical_monitor_config->transform;
crtc_transform = meta_monitor_logical_to_crtc_transform (monitor, transform);
if (meta_monitor_manager_is_transform_handled (data->monitor_manager,
crtc,
crtc_transform))
crtc_hw_transform = crtc_transform;
else
crtc_hw_transform = META_MONITOR_TRANSFORM_NORMAL;
meta_monitor_calculate_crtc_pos (monitor, mode, output, crtc_transform,
&crtc_x, &crtc_y);
x_offset = data->logical_monitor_config->layout.x;
y_offset = data->logical_monitor_config->layout.y;
switch (data->config->layout_mode)
{
case META_LOGICAL_MONITOR_LAYOUT_MODE_LOGICAL:
scale = data->logical_monitor_config->scale;
break;
case META_LOGICAL_MONITOR_LAYOUT_MODE_PHYSICAL:
scale = 1.0;
break;
}
crtc_mode = monitor_crtc_mode->crtc_mode;
crtc_mode_info = meta_crtc_mode_get_info (monitor_crtc_mode->crtc_mode);
if (meta_monitor_transform_is_rotated (crtc_transform))
{
width = crtc_mode_info->height / scale;
height = crtc_mode_info->width / scale;
}
else
{
width = crtc_mode_info->width / scale;
height = crtc_mode_info->height / scale;
}
crtc_layout = GRAPHENE_RECT_INIT (x_offset + (crtc_x / scale),
y_offset + (crtc_y / scale),
width,
height);
crtc_assignment = g_new0 (MetaCrtcAssignment, 1);
*crtc_assignment = (MetaCrtcAssignment) {
.crtc = crtc,
.mode = crtc_mode,
.layout = crtc_layout,
.transform = crtc_hw_transform,
.outputs = g_ptr_array_new ()
};
g_ptr_array_add (crtc_assignment->outputs, output);
/*
* Only one output can be marked as primary (due to Xrandr limitation),
* so only mark the main output of the first monitor in the logical monitor
* as such.
*/
first_monitor_config = data->logical_monitor_config->monitor_configs->data;
if (data->logical_monitor_config->is_primary &&
data->monitor_config == first_monitor_config &&
meta_monitor_get_main_output (monitor) == output)
assign_output_as_primary = TRUE;
else
assign_output_as_primary = FALSE;
if (data->logical_monitor_config->is_presentation)
assign_output_as_presentation = TRUE;
else
assign_output_as_presentation = FALSE;
output_assignment = g_new0 (MetaOutputAssignment, 1);
*output_assignment = (MetaOutputAssignment) {
.output = output,
.is_primary = assign_output_as_primary,
.is_presentation = assign_output_as_presentation,
.is_underscanning = data->monitor_config->enable_underscanning
};
g_ptr_array_add (data->crtc_assignments, crtc_assignment);
g_ptr_array_add (data->output_assignments, output_assignment);
return TRUE;
}
static gboolean
assign_monitor_crtcs (MetaMonitorManager *manager,
MetaMonitorsConfig *config,
MetaLogicalMonitorConfig *logical_monitor_config,
MetaMonitorConfig *monitor_config,
GPtrArray *crtc_assignments,
GPtrArray *output_assignments,
GArray *reserved_crtcs,
GError **error)
{
MetaMonitorSpec *monitor_spec = monitor_config->monitor_spec;
MetaMonitorModeSpec *monitor_mode_spec = monitor_config->mode_spec;
MetaMonitor *monitor;
MetaMonitorMode *monitor_mode;
MonitorAssignmentData data;
monitor = meta_monitor_manager_get_monitor_from_spec (manager, monitor_spec);
if (!monitor)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Configured monitor '%s %s' not found",
monitor_spec->vendor, monitor_spec->product);
return FALSE;
}
monitor_mode = meta_monitor_get_mode_from_spec (monitor, monitor_mode_spec);
if (!monitor_mode)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Invalid mode %dx%d (%f) for monitor '%s %s'",
monitor_mode_spec->width, monitor_mode_spec->height,
monitor_mode_spec->refresh_rate,
monitor_spec->vendor, monitor_spec->product);
return FALSE;
}
data = (MonitorAssignmentData) {
.monitor_manager = manager,
.config = config,
.logical_monitor_config = logical_monitor_config,
.monitor_config = monitor_config,
.crtc_assignments = crtc_assignments,
.output_assignments = output_assignments,
.reserved_crtcs = reserved_crtcs
};
if (!meta_monitor_mode_foreach_crtc (monitor, monitor_mode,
assign_monitor_crtc,
&data,
error))
return FALSE;
return TRUE;
}
static gboolean
assign_logical_monitor_crtcs (MetaMonitorManager *manager,
MetaMonitorsConfig *config,
MetaLogicalMonitorConfig *logical_monitor_config,
GPtrArray *crtc_assignments,
GPtrArray *output_assignments,
GArray *reserved_crtcs,
GError **error)
{
GList *l;
for (l = logical_monitor_config->monitor_configs; l; l = l->next)
{
MetaMonitorConfig *monitor_config = l->data;
if (!assign_monitor_crtcs (manager,
config,
logical_monitor_config,
monitor_config,
crtc_assignments, output_assignments,
reserved_crtcs, error))
return FALSE;
}
return TRUE;
}
gboolean
meta_monitor_config_manager_assign (MetaMonitorManager *manager,
MetaMonitorsConfig *config,
GPtrArray **out_crtc_assignments,
GPtrArray **out_output_assignments,
GError **error)
{
GPtrArray *crtc_assignments;
GPtrArray *output_assignments;
GArray *reserved_crtcs;
GList *l;
crtc_assignments =
g_ptr_array_new_with_free_func ((GDestroyNotify) meta_crtc_assignment_free);
output_assignments =
g_ptr_array_new_with_free_func ((GDestroyNotify) meta_output_assignment_free);
reserved_crtcs = g_array_new (FALSE, FALSE, sizeof (uint64_t));
for (l = config->logical_monitor_configs; l; l = l->next)
{
MetaLogicalMonitorConfig *logical_monitor_config = l->data;
GList *k;
for (k = logical_monitor_config->monitor_configs; k; k = k->next)
{
MetaMonitorConfig *monitor_config = k->data;
MetaMonitorSpec *monitor_spec = monitor_config->monitor_spec;
MetaMonitor *monitor;
GList *o;
monitor = meta_monitor_manager_get_monitor_from_spec (manager, monitor_spec);
for (o = meta_monitor_get_outputs (monitor); o; o = o->next)
{
MetaOutput *output = o->data;
MetaCrtc *crtc;
crtc = meta_output_get_assigned_crtc (output);
if (crtc)
{
uint64_t crtc_id = meta_crtc_get_id (crtc);
g_array_append_val (reserved_crtcs, crtc_id);
}
}
}
}
for (l = config->logical_monitor_configs; l; l = l->next)
{
MetaLogicalMonitorConfig *logical_monitor_config = l->data;
if (!assign_logical_monitor_crtcs (manager,
config, logical_monitor_config,
crtc_assignments, output_assignments,
reserved_crtcs, error))
{
g_ptr_array_free (crtc_assignments, TRUE);
g_ptr_array_free (output_assignments, TRUE);
g_array_free (reserved_crtcs, TRUE);
return FALSE;
}
}
g_array_free (reserved_crtcs, TRUE);
*out_crtc_assignments = crtc_assignments;
*out_output_assignments = output_assignments;
return TRUE;
}
static gboolean
is_lid_closed (MetaMonitorManager *monitor_manager)
{
MetaBackend *backend;
backend = meta_monitor_manager_get_backend (monitor_manager);
return meta_backend_is_lid_closed (backend);
}
MetaMonitorsConfigKey *
meta_create_monitors_config_key_for_current_state (MetaMonitorManager *monitor_manager)
{
MetaMonitorsConfigKey *config_key;
MetaMonitorSpec *laptop_monitor_spec;
GList *l;
GList *monitor_specs;
laptop_monitor_spec = NULL;
monitor_specs = NULL;
for (l = monitor_manager->monitors; l; l = l->next)
{
MetaMonitor *monitor = l->data;
MetaMonitorSpec *monitor_spec;
if (meta_monitor_is_laptop_panel (monitor))
{
laptop_monitor_spec = meta_monitor_get_spec (monitor);
if (is_lid_closed (monitor_manager))
continue;
}
monitor_spec = meta_monitor_spec_clone (meta_monitor_get_spec (monitor));
monitor_specs = g_list_prepend (monitor_specs, monitor_spec);
}
if (!monitor_specs && laptop_monitor_spec)
{
monitor_specs =
g_list_prepend (NULL, meta_monitor_spec_clone (laptop_monitor_spec));
}
if (!monitor_specs)
return NULL;
monitor_specs = g_list_sort (monitor_specs,
(GCompareFunc) meta_monitor_spec_compare);
config_key = g_new0 (MetaMonitorsConfigKey, 1);
*config_key = (MetaMonitorsConfigKey) {
.monitor_specs = monitor_specs
};
return config_key;
}
MetaMonitorsConfig *
meta_monitor_config_manager_get_stored (MetaMonitorConfigManager *config_manager)
{
MetaMonitorManager *monitor_manager = config_manager->monitor_manager;
MetaMonitorsConfigKey *config_key;
MetaMonitorsConfig *config;
GError *error = NULL;
config_key =
meta_create_monitors_config_key_for_current_state (monitor_manager);
if (!config_key)
return NULL;
config = meta_monitor_config_store_lookup (config_manager->config_store,
config_key);
meta_monitors_config_key_free (config_key);
if (!config)
return NULL;
if (config->flags & META_MONITORS_CONFIG_FLAG_MIGRATED)
{
if (!meta_finish_monitors_config_migration (monitor_manager, config,
&error))
{
g_warning ("Failed to finish monitors config migration: %s",
error->message);
g_error_free (error);
meta_monitor_config_store_remove (config_manager->config_store, config);
return NULL;
}
}
return config;
}
typedef enum _MonitorMatchRule
{
MONITOR_MATCH_ALL = 0,
MONITOR_MATCH_EXTERNAL = (1 << 0),
MONITOR_MATCH_BUILTIN = (1 << 1),
MONITOR_MATCH_VISIBLE = (1 << 2),
MONITOR_MATCH_WITH_SUGGESTED_POSITION = (1 << 3),
MONITOR_MATCH_PRIMARY = (1 << 4),
MONITOR_MATCH_ALLOW_FALLBACK = (1 << 5),
} MonitorMatchRule;
static gboolean
monitor_matches_rule (MetaMonitor *monitor,
MetaMonitorManager *monitor_manager,
MonitorMatchRule match_rule)
{
if (!monitor)
return FALSE;
if (match_rule & MONITOR_MATCH_BUILTIN)
{
if (!meta_monitor_is_laptop_panel (monitor))
return FALSE;
}
else if (match_rule & MONITOR_MATCH_EXTERNAL)
{
if (meta_monitor_is_laptop_panel (monitor))
return FALSE;
}
if (match_rule & MONITOR_MATCH_VISIBLE)
{
if (meta_monitor_is_laptop_panel (monitor) &&
is_lid_closed (monitor_manager))
return FALSE;
}
if (match_rule & MONITOR_MATCH_WITH_SUGGESTED_POSITION)
{
if (!meta_monitor_get_suggested_position (monitor, NULL, NULL))
return FALSE;
}
return TRUE;
}
static GList *
find_monitors (MetaMonitorManager *monitor_manager,
MonitorMatchRule match_rule,
MetaMonitor *not_this_one)
{
GList *result = NULL;
GList *monitors, *l;
monitors = meta_monitor_manager_get_monitors (monitor_manager);
for (l = g_list_last (monitors); l; l = l->prev)
{
MetaMonitor *monitor = l->data;
if (not_this_one && monitor == not_this_one)
continue;
if (monitor_matches_rule (monitor, monitor_manager, match_rule))
result = g_list_prepend (result, monitor);
}
return result;
}
static MetaMonitor *
find_monitor_with_highest_preferred_resolution (MetaMonitorManager *monitor_manager,
MonitorMatchRule match_rule)
{
g_autoptr (GList) monitors = NULL;
GList *l;
int largest_area = 0;
MetaMonitor *largest_monitor = NULL;
monitors = find_monitors (monitor_manager, match_rule, NULL);
for (l = monitors; l; l = l->next)
{
MetaMonitor *monitor = l->data;
MetaMonitorMode *mode;
int width, height;
int area;
mode = meta_monitor_get_preferred_mode (monitor);
meta_monitor_mode_get_resolution (mode, &width, &height);
area = width * height;
if (area > largest_area)
{
largest_area = area;
largest_monitor = monitor;
}
}
return largest_monitor;
}
/*
* Try to find the primary monitor. The priority of classification is:
*
* 1. Find the primary monitor as reported by the underlying system,
* 2. Find the laptop panel
* 3. Find the external monitor with highest resolution
*
* If the laptop lid is closed, exclude the laptop panel from possible
* alternatives, except if no other alternatives exist.
*/
static MetaMonitor *
find_primary_monitor (MetaMonitorManager *monitor_manager,
MonitorMatchRule match_rule)
{
MetaMonitor *monitor;
monitor = meta_monitor_manager_get_primary_monitor (monitor_manager);
if (monitor_matches_rule (monitor, monitor_manager, match_rule))
return monitor;
monitor = meta_monitor_manager_get_laptop_panel (monitor_manager);
if (monitor_matches_rule (monitor, monitor_manager, match_rule))
return monitor;
monitor = find_monitor_with_highest_preferred_resolution (monitor_manager,
match_rule);
if (monitor)
return monitor;
if (match_rule & MONITOR_MATCH_ALLOW_FALLBACK)
return find_monitor_with_highest_preferred_resolution (monitor_manager,
MONITOR_MATCH_ALL);
return NULL;
}
static MetaMonitorConfig *
create_monitor_config (MetaMonitor *monitor,
MetaMonitorMode *mode)
{
MetaMonitorSpec *monitor_spec;
MetaMonitorModeSpec *mode_spec;
MetaMonitorConfig *monitor_config;
monitor_spec = meta_monitor_get_spec (monitor);
mode_spec = meta_monitor_mode_get_spec (mode);
monitor_config = g_new0 (MetaMonitorConfig, 1);
*monitor_config = (MetaMonitorConfig) {
.monitor_spec = meta_monitor_spec_clone (monitor_spec),
.mode_spec = g_memdup2 (mode_spec, sizeof (MetaMonitorModeSpec)),
.enable_underscanning = meta_monitor_is_underscanning (monitor)
};
return monitor_config;
}
static MetaMonitorTransform
get_monitor_transform (MetaMonitorManager *monitor_manager,
MetaMonitor *monitor)
{
MetaOrientationManager *orientation_manager;
MetaBackend *backend;
if (!meta_monitor_is_laptop_panel (monitor) ||
!meta_monitor_manager_get_panel_orientation_managed (monitor_manager))
return META_MONITOR_TRANSFORM_NORMAL;
backend = meta_monitor_manager_get_backend (monitor_manager);
orientation_manager = meta_backend_get_orientation_manager (backend);
switch (meta_orientation_manager_get_orientation (orientation_manager))
{
case META_ORIENTATION_BOTTOM_UP:
return META_MONITOR_TRANSFORM_180;
case META_ORIENTATION_LEFT_UP:
return META_MONITOR_TRANSFORM_90;
case META_ORIENTATION_RIGHT_UP:
return META_MONITOR_TRANSFORM_270;
case META_ORIENTATION_UNDEFINED:
case META_ORIENTATION_NORMAL:
default:
return META_MONITOR_TRANSFORM_NORMAL;
}
}
static MetaLogicalMonitorConfig *
create_preferred_logical_monitor_config (MetaMonitorManager *monitor_manager,
MetaMonitor *monitor,
int x,
int y,
float scale,
MetaLogicalMonitorLayoutMode layout_mode)
{
MetaMonitorMode *mode;
int width, height;
MetaMonitorTransform transform;
MetaMonitorConfig *monitor_config;
MetaLogicalMonitorConfig *logical_monitor_config;
mode = meta_monitor_get_preferred_mode (monitor);
meta_monitor_mode_get_resolution (mode, &width, &height);
switch (layout_mode)
{
case META_LOGICAL_MONITOR_LAYOUT_MODE_LOGICAL:
width = (int) roundf (width / scale);
height = (int) roundf (height / scale);
break;
case META_LOGICAL_MONITOR_LAYOUT_MODE_PHYSICAL:
break;
}
monitor_config = create_monitor_config (monitor, mode);
transform = get_monitor_transform (monitor_manager, monitor);
if (meta_monitor_transform_is_rotated (transform))
{
int temp = width;
width = height;
height = temp;
}
logical_monitor_config = g_new0 (MetaLogicalMonitorConfig, 1);
*logical_monitor_config = (MetaLogicalMonitorConfig) {
.layout = (MetaRectangle) {
.x = x,
.y = y,
.width = width,
.height = height
},
.transform = transform,
.scale = scale,
.monitor_configs = g_list_append (NULL, monitor_config)
};
return logical_monitor_config;
}
static float
compute_scale_for_monitor (MetaMonitorManager *monitor_manager,
MetaMonitor *monitor,
MetaMonitor *primary_monitor)
{
MetaMonitor *target_monitor = monitor;
MetaLogicalMonitorLayoutMode layout_mode;
MetaMonitorMode *monitor_mode;
if ((meta_monitor_manager_get_capabilities (monitor_manager) &
META_MONITOR_MANAGER_CAPABILITY_GLOBAL_SCALE_REQUIRED) &&
primary_monitor)
target_monitor = primary_monitor;
layout_mode = meta_monitor_manager_get_default_layout_mode (monitor_manager);
monitor_mode = meta_monitor_get_preferred_mode (target_monitor);
return meta_monitor_manager_calculate_monitor_mode_scale (monitor_manager,
layout_mode,
target_monitor,
monitor_mode);
}
typedef enum _MonitorPositioningMode
{
MONITOR_POSITIONING_LINEAR,
MONITOR_POSITIONING_SUGGESTED,
} MonitorPositioningMode;
static gboolean
verify_suggested_monitors_config (GList *logical_monitor_configs)
{
g_autoptr (GList) region = NULL;
GList *l;
for (l = logical_monitor_configs; l; l = l->next)
{
MetaLogicalMonitorConfig *logical_monitor_config = l->data;
MetaRectangle *rect = &logical_monitor_config->layout;
if (meta_rectangle_overlaps_with_region (region, rect))
{
g_warning ("Suggested monitor config has overlapping region, "
"rejecting");
return FALSE;
}
region = g_list_prepend (region, rect);
}
for (l = region; region->next && l; l = l->next)
{
MetaRectangle *rect = l->data;
if (!meta_rectangle_is_adjacent_to_any_in_region (region, rect))
{
g_warning ("Suggested monitor config has monitors with no "
"neighbors, rejecting");
return FALSE;
}
}
return TRUE;
}
static MetaMonitorsConfig *
create_monitors_config (MetaMonitorConfigManager *config_manager,
MonitorMatchRule match_rule,
MonitorPositioningMode positioning,
MetaMonitorsConfigFlag config_flags)
{
MetaMonitorManager *monitor_manager = config_manager->monitor_manager;
g_autoptr (GList) monitors = NULL;
g_autolist (MetaLogicalMonitorConfig) logical_monitor_configs = NULL;
MetaMonitor *primary_monitor;
MetaLogicalMonitorLayoutMode layout_mode;
float scale;
GList *l;
int x, y;
primary_monitor = find_primary_monitor (monitor_manager,
match_rule | MONITOR_MATCH_VISIBLE);
if (!primary_monitor)
return NULL;
x = y = 0;
layout_mode = meta_monitor_manager_get_default_layout_mode (monitor_manager);
if (!(match_rule & MONITOR_MATCH_PRIMARY))
monitors = find_monitors (monitor_manager, match_rule, primary_monitor);
/* The primary monitor needs to be at the head of the list for the
* linear positioning to be correct.
*/
monitors = g_list_prepend (monitors, primary_monitor);
for (l = monitors; l; l = l->next)
{
MetaMonitor *monitor = l->data;
MetaLogicalMonitorConfig *logical_monitor_config;
gboolean has_suggested_position;
switch (positioning)
{
case MONITOR_POSITIONING_LINEAR:
break;
case MONITOR_POSITIONING_SUGGESTED:
has_suggested_position =
meta_monitor_get_suggested_position (monitor, &x, &y);
g_assert (has_suggested_position);
break;
}
scale = compute_scale_for_monitor (monitor_manager, monitor,
primary_monitor);
logical_monitor_config =
create_preferred_logical_monitor_config (monitor_manager,
monitor,
x, y, scale,
layout_mode);
logical_monitor_config->is_primary = (monitor == primary_monitor);
logical_monitor_configs = g_list_append (logical_monitor_configs,
logical_monitor_config);
x += logical_monitor_config->layout.width;
}
if (positioning == MONITOR_POSITIONING_SUGGESTED)
{
if (!verify_suggested_monitors_config (logical_monitor_configs))
return NULL;
}
return meta_monitors_config_new (monitor_manager,
g_steal_pointer (&logical_monitor_configs),
layout_mode,
config_flags);
}
MetaMonitorsConfig *
meta_monitor_config_manager_create_linear (MetaMonitorConfigManager *config_manager)
{
return create_monitors_config (config_manager,
MONITOR_MATCH_VISIBLE |
MONITOR_MATCH_ALLOW_FALLBACK,
MONITOR_POSITIONING_LINEAR,
META_MONITORS_CONFIG_FLAG_NONE);
}
MetaMonitorsConfig *
meta_monitor_config_manager_create_fallback (MetaMonitorConfigManager *config_manager)
{
return create_monitors_config (config_manager,
MONITOR_MATCH_PRIMARY |
MONITOR_MATCH_ALLOW_FALLBACK,
MONITOR_POSITIONING_LINEAR,
META_MONITORS_CONFIG_FLAG_NONE);
}
MetaMonitorsConfig *
meta_monitor_config_manager_create_suggested (MetaMonitorConfigManager *config_manager)
{
return create_monitors_config (config_manager,
MONITOR_MATCH_WITH_SUGGESTED_POSITION,
MONITOR_POSITIONING_SUGGESTED,
META_MONITORS_CONFIG_FLAG_NONE);
}
static GList *
clone_monitor_config_list (GList *monitor_configs_in)
{
MetaMonitorConfig *monitor_config_in;
MetaMonitorConfig *monitor_config_out;
GList *monitor_configs_out = NULL;
GList *l;
for (l = monitor_configs_in; l; l = l->next)
{
monitor_config_in = l->data;
monitor_config_out = g_new0 (MetaMonitorConfig, 1);
*monitor_config_out = (MetaMonitorConfig) {
.monitor_spec = meta_monitor_spec_clone (monitor_config_in->monitor_spec),
.mode_spec = g_memdup2 (monitor_config_in->mode_spec,
sizeof (MetaMonitorModeSpec)),
.enable_underscanning = monitor_config_in->enable_underscanning
};
monitor_configs_out =
g_list_append (monitor_configs_out, monitor_config_out);
}
return monitor_configs_out;
}
static GList *
clone_logical_monitor_config_list (GList *logical_monitor_configs_in)
{
MetaLogicalMonitorConfig *logical_monitor_config_in;
MetaLogicalMonitorConfig *logical_monitor_config_out;
GList *logical_monitor_configs_out = NULL;
GList *l;
for (l = logical_monitor_configs_in; l; l = l->next)
{
logical_monitor_config_in = l->data;
logical_monitor_config_out =
g_memdup2 (logical_monitor_config_in,
sizeof (MetaLogicalMonitorConfig));
logical_monitor_config_out->monitor_configs =
clone_monitor_config_list (logical_monitor_config_in->monitor_configs);
logical_monitor_configs_out =
g_list_append (logical_monitor_configs_out, logical_monitor_config_out);
}
return logical_monitor_configs_out;
}
static MetaLogicalMonitorConfig *
find_logical_config_for_builtin_monitor (MetaMonitorConfigManager *config_manager,
GList *logical_monitor_configs)
{
MetaLogicalMonitorConfig *logical_monitor_config;
MetaMonitorConfig *monitor_config;
MetaMonitor *panel;
GList *l;
panel = meta_monitor_manager_get_laptop_panel (config_manager->monitor_manager);
if (panel)
{
for (l = logical_monitor_configs; l; l = l->next)
{
logical_monitor_config = l->data;
/*
* We only want to return the config for the panel if it is
* configured on its own, so we skip configs which contain clones.
*/
if (g_list_length (logical_monitor_config->monitor_configs) != 1)
continue;
monitor_config = logical_monitor_config->monitor_configs->data;
if (meta_monitor_spec_equals (meta_monitor_get_spec (panel),
monitor_config->monitor_spec))
{
MetaMonitorMode *mode;
mode = meta_monitor_get_mode_from_spec (panel,
monitor_config->mode_spec);
if (mode)
return logical_monitor_config;
}
}
}
return NULL;
}
static MetaMonitorsConfig *
create_for_builtin_display_rotation (MetaMonitorConfigManager *config_manager,
MetaMonitorsConfig *base_config,
gboolean rotate,
MetaMonitorTransform transform)
{
MetaMonitorManager *monitor_manager = config_manager->monitor_manager;
MetaLogicalMonitorConfig *logical_monitor_config;
MetaLogicalMonitorConfig *current_logical_monitor_config;
MetaMonitorsConfig *config;
GList *logical_monitor_configs, *current_configs;
MetaLogicalMonitorLayoutMode layout_mode;
g_return_val_if_fail (base_config, NULL);
current_configs = base_config->logical_monitor_configs;
current_logical_monitor_config =
find_logical_config_for_builtin_monitor (config_manager, current_configs);
if (!current_logical_monitor_config)
return NULL;
if (rotate)
transform = (current_logical_monitor_config->transform + 1) % META_MONITOR_TRANSFORM_FLIPPED;
else
{
/*
* The transform coming from the accelerometer should be applied to
* the crtc as is, without taking panel-orientation into account, this
* is done so that non panel-orientation aware desktop environments do the
* right thing. Mutter corrects for panel-orientation when applying the
* transform from a logical-monitor-config, so we must convert here.
*/
MetaMonitor *panel =
meta_monitor_manager_get_laptop_panel (config_manager->monitor_manager);
transform = meta_monitor_crtc_to_logical_transform (panel, transform);
}
if (current_logical_monitor_config->transform == transform)
return NULL;
logical_monitor_configs =
clone_logical_monitor_config_list (base_config->logical_monitor_configs);
logical_monitor_config =
find_logical_config_for_builtin_monitor (config_manager,
logical_monitor_configs);
logical_monitor_config->transform = transform;
if (meta_monitor_transform_is_rotated (current_logical_monitor_config->transform) !=
meta_monitor_transform_is_rotated (logical_monitor_config->transform))
{
int temp = logical_monitor_config->layout.width;
logical_monitor_config->layout.width = logical_monitor_config->layout.height;
logical_monitor_config->layout.height = temp;
}
layout_mode = base_config->layout_mode;
config = meta_monitors_config_new (monitor_manager,
logical_monitor_configs,
layout_mode,
META_MONITORS_CONFIG_FLAG_NONE);
meta_monitors_config_set_parent_config (config, base_config);
return config;
}
MetaMonitorsConfig *
meta_monitor_config_manager_create_for_orientation (MetaMonitorConfigManager *config_manager,
MetaMonitorsConfig *base_config,
MetaMonitorTransform transform)
{
return create_for_builtin_display_rotation (config_manager, base_config,
FALSE, transform);
}
MetaMonitorsConfig *
meta_monitor_config_manager_create_for_builtin_orientation (MetaMonitorConfigManager *config_manager,
MetaMonitorsConfig *base_config)
{
MetaMonitorManager *monitor_manager = config_manager->monitor_manager;
MetaMonitorTransform current_transform;
MetaMonitor *laptop_panel;
g_return_val_if_fail (
meta_monitor_manager_get_panel_orientation_managed (monitor_manager), NULL);
laptop_panel = meta_monitor_manager_get_laptop_panel (monitor_manager);
current_transform = get_monitor_transform (monitor_manager, laptop_panel);
return create_for_builtin_display_rotation (config_manager, base_config,
FALSE, current_transform);
}
MetaMonitorsConfig *
meta_monitor_config_manager_create_for_rotate_monitor (MetaMonitorConfigManager *config_manager)
{
if (!config_manager->current_config)
return NULL;
return create_for_builtin_display_rotation (config_manager,
config_manager->current_config,
TRUE,
META_MONITOR_TRANSFORM_NORMAL);
}
static MetaMonitorsConfig *
create_monitors_switch_config (MetaMonitorConfigManager *config_manager,
MonitorMatchRule match_rule,
MonitorPositioningMode positioning,
MetaMonitorsConfigFlag config_flags,
MetaMonitorSwitchConfigType switch_config)
{
MetaMonitorsConfig *monitors_config;
monitors_config = create_monitors_config (config_manager, match_rule,
positioning, config_flags);
if (!monitors_config)
return NULL;
meta_monitors_config_set_switch_config (monitors_config, switch_config);
return monitors_config;
}
static MetaMonitorsConfig *
create_for_switch_config_all_mirror (MetaMonitorConfigManager *config_manager)
{
MetaMonitorManager *monitor_manager = config_manager->monitor_manager;
MetaLogicalMonitorLayoutMode layout_mode;
MetaLogicalMonitorConfig *logical_monitor_config = NULL;
GList *logical_monitor_configs;
GList *monitor_configs = NULL;
gint common_mode_w = 0, common_mode_h = 0;
float best_scale = 1.0;
MetaMonitor *monitor;
GList *modes;
GList *monitors;
GList *l;
MetaMonitorsConfig *monitors_config;
layout_mode = meta_monitor_manager_get_default_layout_mode (monitor_manager);
monitors = meta_monitor_manager_get_monitors (monitor_manager);
monitor = monitors->data;
modes = meta_monitor_get_modes (monitor);
for (l = modes; l; l = l->next)
{
MetaMonitorMode *mode = l->data;
gboolean common_mode_size = TRUE;
gint mode_w, mode_h;
GList *ll;
meta_monitor_mode_get_resolution (mode, &mode_w, &mode_h);
for (ll = monitors->next; ll; ll = ll->next)
{
MetaMonitor *monitor_b = ll->data;
gboolean have_same_mode_size = FALSE;
GList *mm;
for (mm = meta_monitor_get_modes (monitor_b); mm; mm = mm->next)
{
MetaMonitorMode *mode_b = mm->data;
gint mode_b_w, mode_b_h;
meta_monitor_mode_get_resolution (mode_b, &mode_b_w, &mode_b_h);
if (mode_w == mode_b_w &&
mode_h == mode_b_h)
{
have_same_mode_size = TRUE;
break;
}
}
if (!have_same_mode_size)
{
common_mode_size = FALSE;
break;
}
}
if (common_mode_size &&
common_mode_w * common_mode_h < mode_w * mode_h)
{
common_mode_w = mode_w;
common_mode_h = mode_h;
}
}
if (common_mode_w == 0 || common_mode_h == 0)
return NULL;
for (l = monitors; l; l = l->next)
{
MetaMonitor *monitor = l->data;
MetaMonitorMode *mode = NULL;
GList *ll;
float scale;
for (ll = meta_monitor_get_modes (monitor); ll; ll = ll->next)
{
gint mode_w, mode_h;
mode = ll->data;
meta_monitor_mode_get_resolution (mode, &mode_w, &mode_h);
if (mode_w == common_mode_w && mode_h == common_mode_h)
break;
}
if (!mode)
continue;
scale = meta_monitor_manager_calculate_monitor_mode_scale (monitor_manager,
layout_mode,
monitor, mode);
best_scale = MAX (best_scale, scale);
monitor_configs = g_list_prepend (monitor_configs, create_monitor_config (monitor, mode));
}
logical_monitor_config = g_new0 (MetaLogicalMonitorConfig, 1);
*logical_monitor_config = (MetaLogicalMonitorConfig) {
.layout = (MetaRectangle) {
.x = 0,
.y = 0,
.width = common_mode_w,
.height = common_mode_h
},
.scale = best_scale,
.monitor_configs = monitor_configs
};
logical_monitor_configs = g_list_append (NULL, logical_monitor_config);
monitors_config = meta_monitors_config_new (monitor_manager,
logical_monitor_configs,
layout_mode,
META_MONITORS_CONFIG_FLAG_NONE);
if (monitors_config)
meta_monitors_config_set_switch_config (monitors_config, META_MONITOR_SWITCH_CONFIG_ALL_MIRROR);
return monitors_config;
}
static MetaMonitorsConfig *
create_for_switch_config_external (MetaMonitorConfigManager *config_manager)
{
return create_monitors_switch_config (config_manager,
MONITOR_MATCH_EXTERNAL,
MONITOR_POSITIONING_LINEAR,
META_MONITORS_CONFIG_FLAG_NONE,
META_MONITOR_SWITCH_CONFIG_EXTERNAL);
}
static MetaMonitorsConfig *
create_for_switch_config_builtin (MetaMonitorConfigManager *config_manager)
{
return create_monitors_switch_config (config_manager,
MONITOR_MATCH_BUILTIN,
MONITOR_POSITIONING_LINEAR,
META_MONITORS_CONFIG_FLAG_NONE,
META_MONITOR_SWITCH_CONFIG_BUILTIN);
}
MetaMonitorsConfig *
meta_monitor_config_manager_create_for_switch_config (MetaMonitorConfigManager *config_manager,
MetaMonitorSwitchConfigType config_type)
{
MetaMonitorManager *monitor_manager = config_manager->monitor_manager;
MetaMonitorsConfig *config;
if (!meta_monitor_manager_can_switch_config (monitor_manager))
return NULL;
switch (config_type)
{
case META_MONITOR_SWITCH_CONFIG_ALL_MIRROR:
config = create_for_switch_config_all_mirror (config_manager);
break;
case META_MONITOR_SWITCH_CONFIG_ALL_LINEAR:
config = meta_monitor_config_manager_create_linear (config_manager);
break;
case META_MONITOR_SWITCH_CONFIG_EXTERNAL:
config = create_for_switch_config_external (config_manager);
break;
case META_MONITOR_SWITCH_CONFIG_BUILTIN:
config = create_for_switch_config_builtin (config_manager);
break;
case META_MONITOR_SWITCH_CONFIG_UNKNOWN:
default:
g_warn_if_reached ();
return NULL;
}
return config;
}
static MetaMonitorsConfig *
get_root_config (MetaMonitorsConfig *config)
{
if (!config->parent_config)
return config;
return get_root_config (config->parent_config);
}
static gboolean
has_same_root_config (MetaMonitorsConfig *config_a,
MetaMonitorsConfig *config_b)
{
return get_root_config (config_a) == get_root_config (config_b);
}
void
meta_monitor_config_manager_set_current (MetaMonitorConfigManager *config_manager,
MetaMonitorsConfig *config)
{
MetaMonitorsConfig *current_config = config_manager->current_config;
gboolean overrides_current = FALSE;
if (config && current_config &&
has_same_root_config (config, current_config))
{
overrides_current = meta_monitors_config_key_equal (config->key,
current_config->key);
}
if (current_config && !overrides_current)
{
g_queue_push_head (&config_manager->config_history,
g_object_ref (config_manager->current_config));
if (g_queue_get_length (&config_manager->config_history) >
CONFIG_HISTORY_MAX_SIZE)
g_object_unref (g_queue_pop_tail (&config_manager->config_history));
}
g_set_object (&config_manager->current_config, config);
}
void
meta_monitor_config_manager_save_current (MetaMonitorConfigManager *config_manager)
{
g_return_if_fail (config_manager->current_config);
meta_monitor_config_store_add (config_manager->config_store,
config_manager->current_config);
}
MetaMonitorsConfig *
meta_monitor_config_manager_get_current (MetaMonitorConfigManager *config_manager)
{
return config_manager->current_config;
}
MetaMonitorsConfig *
meta_monitor_config_manager_pop_previous (MetaMonitorConfigManager *config_manager)
{
return g_queue_pop_head (&config_manager->config_history);
}
MetaMonitorsConfig *
meta_monitor_config_manager_get_previous (MetaMonitorConfigManager *config_manager)
{
return g_queue_peek_head (&config_manager->config_history);
}
void
meta_monitor_config_manager_clear_history (MetaMonitorConfigManager *config_manager)
{
g_queue_foreach (&config_manager->config_history, (GFunc) g_object_unref, NULL);
g_queue_clear (&config_manager->config_history);
}
static void
meta_monitor_config_manager_dispose (GObject *object)
{
MetaMonitorConfigManager *config_manager =
META_MONITOR_CONFIG_MANAGER (object);
g_clear_object (&config_manager->current_config);
meta_monitor_config_manager_clear_history (config_manager);
G_OBJECT_CLASS (meta_monitor_config_manager_parent_class)->dispose (object);
}
static void
meta_monitor_config_manager_init (MetaMonitorConfigManager *config_manager)
{
g_queue_init (&config_manager->config_history);
}
static void
meta_monitor_config_manager_class_init (MetaMonitorConfigManagerClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->dispose = meta_monitor_config_manager_dispose;
}
void
meta_monitor_config_free (MetaMonitorConfig *monitor_config)
{
if (monitor_config->monitor_spec)
meta_monitor_spec_free (monitor_config->monitor_spec);
g_free (monitor_config->mode_spec);
g_free (monitor_config);
}
void
meta_logical_monitor_config_free (MetaLogicalMonitorConfig *logical_monitor_config)
{
g_list_free_full (logical_monitor_config->monitor_configs,
(GDestroyNotify) meta_monitor_config_free);
g_free (logical_monitor_config);
}
static MetaMonitorsConfigKey *
meta_monitors_config_key_new (GList *logical_monitor_configs,
GList *disabled_monitor_specs)
{
MetaMonitorsConfigKey *config_key;
GList *monitor_specs;
GList *l;
monitor_specs = NULL;
for (l = logical_monitor_configs; l; l = l->next)
{
MetaLogicalMonitorConfig *logical_monitor_config = l->data;
GList *k;
for (k = logical_monitor_config->monitor_configs; k; k = k->next)
{
MetaMonitorConfig *monitor_config = k->data;
MetaMonitorSpec *monitor_spec;
monitor_spec = meta_monitor_spec_clone (monitor_config->monitor_spec);
monitor_specs = g_list_prepend (monitor_specs, monitor_spec);
}
}
for (l = disabled_monitor_specs; l; l = l->next)
{
MetaMonitorSpec *monitor_spec = l->data;
monitor_spec = meta_monitor_spec_clone (monitor_spec);
monitor_specs = g_list_prepend (monitor_specs, monitor_spec);
}
monitor_specs = g_list_sort (monitor_specs,
(GCompareFunc) meta_monitor_spec_compare);
config_key = g_new0 (MetaMonitorsConfigKey, 1);
*config_key = (MetaMonitorsConfigKey) {
.monitor_specs = monitor_specs
};
return config_key;
}
void
meta_monitors_config_key_free (MetaMonitorsConfigKey *config_key)
{
g_list_free_full (config_key->monitor_specs,
(GDestroyNotify) meta_monitor_spec_free);
g_free (config_key);
}
unsigned int
meta_monitors_config_key_hash (gconstpointer data)
{
const MetaMonitorsConfigKey *config_key = data;
GList *l;
unsigned long hash;
hash = 0;
for (l = config_key->monitor_specs; l; l = l->next)
{
MetaMonitorSpec *monitor_spec = l->data;
hash ^= (g_str_hash (monitor_spec->connector) ^
g_str_hash (monitor_spec->vendor) ^
g_str_hash (monitor_spec->product) ^
g_str_hash (monitor_spec->serial));
}
return hash;
}
gboolean
meta_monitors_config_key_equal (gconstpointer data_a,
gconstpointer data_b)
{
const MetaMonitorsConfigKey *config_key_a = data_a;
const MetaMonitorsConfigKey *config_key_b = data_b;
GList *l_a, *l_b;
for (l_a = config_key_a->monitor_specs, l_b = config_key_b->monitor_specs;
l_a && l_b;
l_a = l_a->next, l_b = l_b->next)
{
MetaMonitorSpec *monitor_spec_a = l_a->data;
MetaMonitorSpec *monitor_spec_b = l_b->data;
if (!meta_monitor_spec_equals (monitor_spec_a, monitor_spec_b))
return FALSE;
}
if (l_a || l_b)
return FALSE;
return TRUE;
}
MetaMonitorSwitchConfigType
meta_monitors_config_get_switch_config (MetaMonitorsConfig *config)
{
return config->switch_config;
}
void
meta_monitors_config_set_switch_config (MetaMonitorsConfig *config,
MetaMonitorSwitchConfigType switch_config)
{
config->switch_config = switch_config;
}
void
meta_monitors_config_set_parent_config (MetaMonitorsConfig *config,
MetaMonitorsConfig *parent_config)
{
g_assert (config != parent_config);
g_assert (!parent_config || parent_config->parent_config != config);
g_set_object (&config->parent_config, parent_config);
}
MetaMonitorsConfig *
meta_monitors_config_new_full (GList *logical_monitor_configs,
GList *disabled_monitor_specs,
MetaLogicalMonitorLayoutMode layout_mode,
MetaMonitorsConfigFlag flags)
{
MetaMonitorsConfig *config;
config = g_object_new (META_TYPE_MONITORS_CONFIG, NULL);
config->logical_monitor_configs = logical_monitor_configs;
config->disabled_monitor_specs = disabled_monitor_specs;
config->key = meta_monitors_config_key_new (logical_monitor_configs,
disabled_monitor_specs);
config->layout_mode = layout_mode;
config->flags = flags;
config->switch_config = META_MONITOR_SWITCH_CONFIG_UNKNOWN;
return config;
}
MetaMonitorsConfig *
meta_monitors_config_new (MetaMonitorManager *monitor_manager,
GList *logical_monitor_configs,
MetaLogicalMonitorLayoutMode layout_mode,
MetaMonitorsConfigFlag flags)
{
GList *disabled_monitor_specs = NULL;
GList *monitors;
GList *l;
monitors = meta_monitor_manager_get_monitors (monitor_manager);
for (l = monitors; l; l = l->next)
{
MetaMonitor *monitor = l->data;
MetaMonitorSpec *monitor_spec;
if (!monitor_matches_rule (monitor, monitor_manager,
MONITOR_MATCH_VISIBLE))
continue;
monitor_spec = meta_monitor_get_spec (monitor);
if (meta_logical_monitor_configs_have_monitor (logical_monitor_configs,
monitor_spec))
continue;
disabled_monitor_specs =
g_list_prepend (disabled_monitor_specs,
meta_monitor_spec_clone (monitor_spec));
}
return meta_monitors_config_new_full (logical_monitor_configs,
disabled_monitor_specs,
layout_mode,
flags);
}
static void
meta_monitors_config_finalize (GObject *object)
{
MetaMonitorsConfig *config = META_MONITORS_CONFIG (object);
g_clear_object (&config->parent_config);
meta_monitors_config_key_free (config->key);
g_list_free_full (config->logical_monitor_configs,
(GDestroyNotify) meta_logical_monitor_config_free);
g_list_free_full (config->disabled_monitor_specs,
(GDestroyNotify) meta_monitor_spec_free);
G_OBJECT_CLASS (meta_monitors_config_parent_class)->finalize (object);
}
static void
meta_monitors_config_init (MetaMonitorsConfig *config)
{
}
static void
meta_monitors_config_class_init (MetaMonitorsConfigClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = meta_monitors_config_finalize;
}
static void
meta_crtc_assignment_free (MetaCrtcAssignment *assignment)
{
g_ptr_array_free (assignment->outputs, TRUE);
g_free (assignment);
}
static void
meta_output_assignment_free (MetaOutputAssignment *assignment)
{
g_free (assignment);
}
gboolean
meta_verify_monitor_mode_spec (MetaMonitorModeSpec *monitor_mode_spec,
GError **error)
{
if (monitor_mode_spec->width > 0 &&
monitor_mode_spec->height > 0 &&
monitor_mode_spec->refresh_rate > 0.0f)
{
return TRUE;
}
else
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Monitor mode invalid");
return FALSE;
}
}
gboolean
meta_verify_monitor_spec (MetaMonitorSpec *monitor_spec,
GError **error)
{
if (monitor_spec->connector &&
monitor_spec->vendor &&
monitor_spec->product &&
monitor_spec->serial)
{
return TRUE;
}
else
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Monitor spec incomplete");
return FALSE;
}
}
gboolean
meta_verify_monitor_config (MetaMonitorConfig *monitor_config,
GError **error)
{
if (monitor_config->monitor_spec && monitor_config->mode_spec)
{
return TRUE;
}
else
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Monitor config incomplete");
return FALSE;
}
}
gboolean
meta_verify_logical_monitor_config (MetaLogicalMonitorConfig *logical_monitor_config,
MetaLogicalMonitorLayoutMode layout_mode,
MetaMonitorManager *monitor_manager,
GError **error)
{
GList *l;
int expected_mode_width = 0;
int expected_mode_height = 0;
if (logical_monitor_config->layout.x < 0 ||
logical_monitor_config->layout.y < 0)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Invalid logical monitor position (%d, %d)",
logical_monitor_config->layout.x,
logical_monitor_config->layout.y);
return FALSE;
}
if (!logical_monitor_config->monitor_configs)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Logical monitor is empty");
return FALSE;
}
if (meta_monitor_transform_is_rotated (logical_monitor_config->transform))
{
expected_mode_width = logical_monitor_config->layout.height;
expected_mode_height = logical_monitor_config->layout.width;
}
else
{
expected_mode_width = logical_monitor_config->layout.width;
expected_mode_height = logical_monitor_config->layout.height;
}
switch (layout_mode)
{
case META_LOGICAL_MONITOR_LAYOUT_MODE_LOGICAL:
expected_mode_width = roundf (expected_mode_width *
logical_monitor_config->scale);
expected_mode_height = roundf (expected_mode_height *
logical_monitor_config->scale);
break;
case META_LOGICAL_MONITOR_LAYOUT_MODE_PHYSICAL:
break;
}
for (l = logical_monitor_config->monitor_configs; l; l = l->next)
{
MetaMonitorConfig *monitor_config = l->data;
if (monitor_config->mode_spec->width != expected_mode_width ||
monitor_config->mode_spec->height != expected_mode_height)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Monitor modes in logical monitor conflict");
return FALSE;
}
}
return TRUE;
}
static gboolean
has_adjacent_neighbour (MetaMonitorsConfig *config,
MetaLogicalMonitorConfig *logical_monitor_config)
{
GList *l;
if (!config->logical_monitor_configs->next)
{
g_assert (config->logical_monitor_configs->data ==
logical_monitor_config);
return TRUE;
}
for (l = config->logical_monitor_configs; l; l = l->next)
{
MetaLogicalMonitorConfig *other_logical_monitor_config = l->data;
if (logical_monitor_config == other_logical_monitor_config)
continue;
if (meta_rectangle_is_adjacent_to (&logical_monitor_config->layout,
&other_logical_monitor_config->layout))
return TRUE;
}
return FALSE;
}
gboolean
meta_logical_monitor_configs_have_monitor (GList *logical_monitor_configs,
MetaMonitorSpec *monitor_spec)
{
GList *l;
for (l = logical_monitor_configs; l; l = l->next)
{
MetaLogicalMonitorConfig *logical_monitor_config = l->data;
GList *k;
for (k = logical_monitor_config->monitor_configs; k; k = k->next)
{
MetaMonitorConfig *monitor_config = k->data;
if (meta_monitor_spec_equals (monitor_spec,
monitor_config->monitor_spec))
return TRUE;
}
}
return FALSE;
}
static gboolean
meta_monitors_config_is_monitor_enabled (MetaMonitorsConfig *config,
MetaMonitorSpec *monitor_spec)
{
return meta_logical_monitor_configs_have_monitor (config->logical_monitor_configs,
monitor_spec);
}
gboolean
meta_verify_monitors_config (MetaMonitorsConfig *config,
MetaMonitorManager *monitor_manager,
GError **error)
{
int min_x, min_y;
gboolean has_primary;
GList *region;
GList *l;
gboolean global_scale_required;
if (!config->logical_monitor_configs)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Monitors config incomplete");
return FALSE;
}
global_scale_required =
!!(meta_monitor_manager_get_capabilities (monitor_manager) &
META_MONITOR_MANAGER_CAPABILITY_GLOBAL_SCALE_REQUIRED);
min_x = INT_MAX;
min_y = INT_MAX;
region = NULL;
has_primary = FALSE;
for (l = config->logical_monitor_configs; l; l = l->next)
{
MetaLogicalMonitorConfig *logical_monitor_config = l->data;
if (global_scale_required)
{
MetaLogicalMonitorConfig *prev_logical_monitor_config =
l->prev ? l->prev->data : NULL;
if (prev_logical_monitor_config &&
(prev_logical_monitor_config->scale !=
logical_monitor_config->scale))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Logical monitor scales must be identical");
return FALSE;
}
}
if (meta_rectangle_overlaps_with_region (region,
&logical_monitor_config->layout))
{
g_list_free (region);
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Logical monitors overlap");
return FALSE;
}
if (has_primary && logical_monitor_config->is_primary)
{
g_list_free (region);
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Config contains multiple primary logical monitors");
return FALSE;
}
else if (logical_monitor_config->is_primary)
{
has_primary = TRUE;
}
if (!has_adjacent_neighbour (config, logical_monitor_config))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Logical monitors not adjacent");
return FALSE;
}
min_x = MIN (logical_monitor_config->layout.x, min_x);
min_y = MIN (logical_monitor_config->layout.y, min_y);
region = g_list_prepend (region, &logical_monitor_config->layout);
}
g_list_free (region);
for (l = config->disabled_monitor_specs; l; l = l->next)
{
MetaMonitorSpec *monitor_spec = l->data;
if (meta_monitors_config_is_monitor_enabled (config, monitor_spec))
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Assigned monitor explicitly disabled");
return FALSE;
}
}
if (min_x != 0 || min_y != 0)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Logical monitors positions are offset");
return FALSE;
}
if (!has_primary)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Config is missing primary logical");
return FALSE;
}
return TRUE;
}
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