mutter/src/backends/meta-monitor-manager-dummy.c
2015-09-24 03:08:22 +02:00

299 lines
9.3 KiB
C

/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2001, 2002 Havoc Pennington
* Copyright (C) 2002, 2003 Red Hat Inc.
* Some ICCCM manager selection code derived from fvwm2,
* Copyright (C) 2001 Dominik Vogt, Matthias Clasen, and fvwm2 team
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "meta-monitor-manager-dummy.h"
#include <stdlib.h>
#include <meta/util.h>
#define ALL_TRANSFORMS ((1 << (META_MONITOR_TRANSFORM_FLIPPED_270 + 1)) - 1)
struct _MetaMonitorManagerDummy
{
MetaMonitorManager parent_instance;
};
struct _MetaMonitorManagerDummyClass
{
MetaMonitorManagerClass parent_class;
};
G_DEFINE_TYPE (MetaMonitorManagerDummy, meta_monitor_manager_dummy, META_TYPE_MONITOR_MANAGER);
static void
meta_monitor_manager_dummy_read_current (MetaMonitorManager *manager)
{
unsigned int num_monitors = 1;
int *monitor_scales = NULL;
const char *num_monitors_str;
const char *monitor_scales_str;
unsigned int i;
int current_x = 0;
/* To control what monitor configuration is generated, there are two available
* environmental variables that can be used:
*
* MUTTER_DEBUG_NUM_DUMMY_MONITORS
*
* Specifies the number of dummy monitors to include in the stage. Every
* monitor is 1024x786 pixels and they are placed on a horizontal row.
*
* MUTTER_DEBUG_DUMMY_MONITOR_SCALES
*
* A comma separated list that specifies the scales of the dummy monitors.
*
* For example the following configuration results in two monitors, where the
* first one has the monitor scale 1, and the other the monitor scale 2.
*
* MUTTER_DEBUG_NUM_DUMMY_MONITORS=2
* MUTTER_DEBUG_DUMMY_MONITOR_SCALES=1,2
*/
num_monitors_str = getenv ("MUTTER_DEBUG_NUM_DUMMY_MONITORS");
if (num_monitors_str)
{
num_monitors = g_ascii_strtoll (num_monitors_str, NULL, 10);
if (num_monitors <= 0)
{
meta_warning ("Invalid number of dummy monitors");
num_monitors = 1;
}
}
monitor_scales = g_newa (int, num_monitors);
for (i = 0; i < num_monitors; i++)
monitor_scales[i] = 1;
monitor_scales_str = getenv ("MUTTER_DEBUG_DUMMY_MONITOR_SCALES");
if (monitor_scales_str)
{
gchar **scales_str_list;
scales_str_list = g_strsplit (monitor_scales_str, ",", -1);
if (g_strv_length (scales_str_list) != num_monitors)
meta_warning ("Number of specified monitor scales differ from number "
"of monitors (defaults to 1).\n");
for (i = 0; i < num_monitors && scales_str_list[i]; i++)
{
int scale = g_ascii_strtoll (scales_str_list[i], NULL, 10);
if (scale == 1 || scale == 2)
monitor_scales[i] = scale;
else
meta_warning ("Invalid dummy monitor scale");
}
g_strfreev (scales_str_list);
}
manager->max_screen_width = 65535;
manager->max_screen_height = 65535;
manager->screen_width = 1024 * num_monitors;
manager->screen_height = 768;
manager->modes = g_new0 (MetaMonitorMode, 1);
manager->n_modes = 1;
manager->modes[0].mode_id = 0;
manager->modes[0].width = 1024;
manager->modes[0].height = 768;
manager->modes[0].refresh_rate = 60.0;
manager->crtcs = g_new0 (MetaCRTC, num_monitors);
manager->n_crtcs = num_monitors;
manager->outputs = g_new0 (MetaOutput, num_monitors);
manager->n_outputs = num_monitors;
for (i = 0; i < num_monitors; i++)
{
manager->crtcs[i].crtc_id = i + 1;
manager->crtcs[i].rect.x = current_x;
manager->crtcs[i].rect.y = 0;
manager->crtcs[i].rect.width = manager->modes[0].width;
manager->crtcs[i].rect.height = manager->modes[0].height;
manager->crtcs[i].current_mode = &manager->modes[0];
manager->crtcs[i].transform = META_MONITOR_TRANSFORM_NORMAL;
manager->crtcs[i].all_transforms = ALL_TRANSFORMS;
manager->crtcs[i].is_dirty = FALSE;
manager->crtcs[i].logical_monitor = NULL;
current_x += manager->crtcs[i].rect.width;
manager->outputs[i].crtc = &manager->crtcs[i];
manager->outputs[i].winsys_id = i + 1;
manager->outputs[i].name = g_strdup_printf ("LVDS%d", i + 1);
manager->outputs[i].vendor = g_strdup ("MetaProducts Inc.");
manager->outputs[i].product = g_strdup ("unknown");
manager->outputs[i].serial = g_strdup ("0xC0FFEE");
manager->outputs[i].suggested_x = -1;
manager->outputs[i].suggested_y = -1;
manager->outputs[i].width_mm = 222;
manager->outputs[i].height_mm = 125;
manager->outputs[i].subpixel_order = COGL_SUBPIXEL_ORDER_UNKNOWN;
manager->outputs[i].preferred_mode = &manager->modes[0];
manager->outputs[i].n_modes = 1;
manager->outputs[i].modes = g_new0 (MetaMonitorMode *, 1);
manager->outputs[i].modes[0] = &manager->modes[0];
manager->outputs[i].n_possible_crtcs = 1;
manager->outputs[i].possible_crtcs = g_new0 (MetaCRTC *, 1);
manager->outputs[i].possible_crtcs[0] = &manager->crtcs[i];
manager->outputs[i].n_possible_clones = 0;
manager->outputs[i].possible_clones = g_new0 (MetaOutput *, 0);
manager->outputs[i].backlight = -1;
manager->outputs[i].backlight_min = 0;
manager->outputs[i].backlight_max = 0;
manager->outputs[i].connector_type = META_CONNECTOR_TYPE_LVDS;
manager->outputs[i].scale = monitor_scales[i];
}
}
static void
meta_monitor_manager_dummy_apply_config (MetaMonitorManager *manager,
MetaCRTCInfo **crtcs,
unsigned int n_crtcs,
MetaOutputInfo **outputs,
unsigned int n_outputs)
{
unsigned i;
int screen_width = 0, screen_height = 0;
for (i = 0; i < n_crtcs; i++)
{
MetaCRTCInfo *crtc_info = crtcs[i];
MetaCRTC *crtc = crtc_info->crtc;
crtc->is_dirty = TRUE;
if (crtc_info->mode == NULL)
{
crtc->rect.x = 0;
crtc->rect.y = 0;
crtc->rect.width = 0;
crtc->rect.height = 0;
crtc->current_mode = NULL;
}
else
{
MetaMonitorMode *mode;
MetaOutput *output;
unsigned int j;
int width, height;
mode = crtc_info->mode;
if (meta_monitor_transform_is_rotated (crtc_info->transform))
{
width = mode->height;
height = mode->width;
}
else
{
width = mode->width;
height = mode->height;
}
crtc->rect.x = crtc_info->x;
crtc->rect.y = crtc_info->y;
crtc->rect.width = width;
crtc->rect.height = height;
crtc->current_mode = mode;
crtc->transform = crtc_info->transform;
screen_width = MAX (screen_width, crtc_info->x + width);
screen_height = MAX (screen_height, crtc_info->y + height);
for (j = 0; j < crtc_info->outputs->len; j++)
{
output = ((MetaOutput**)crtc_info->outputs->pdata)[j];
output->is_dirty = TRUE;
output->crtc = crtc;
}
}
}
for (i = 0; i < n_outputs; i++)
{
MetaOutputInfo *output_info = outputs[i];
MetaOutput *output = output_info->output;
output->is_primary = output_info->is_primary;
output->is_presentation = output_info->is_presentation;
}
/* Disable CRTCs not mentioned in the list */
for (i = 0; i < manager->n_crtcs; i++)
{
MetaCRTC *crtc = &manager->crtcs[i];
crtc->logical_monitor = NULL;
if (crtc->is_dirty)
{
crtc->is_dirty = FALSE;
continue;
}
crtc->rect.x = 0;
crtc->rect.y = 0;
crtc->rect.width = 0;
crtc->rect.height = 0;
crtc->current_mode = NULL;
}
/* Disable outputs not mentioned in the list */
for (i = 0; i < manager->n_outputs; i++)
{
MetaOutput *output = &manager->outputs[i];
if (output->is_dirty)
{
output->is_dirty = FALSE;
continue;
}
output->crtc = NULL;
output->is_primary = FALSE;
}
manager->screen_width = screen_width;
manager->screen_height = screen_height;
meta_monitor_manager_rebuild_derived (manager);
}
static void
meta_monitor_manager_dummy_class_init (MetaMonitorManagerDummyClass *klass)
{
MetaMonitorManagerClass *manager_class = META_MONITOR_MANAGER_CLASS (klass);
manager_class->read_current = meta_monitor_manager_dummy_read_current;
manager_class->apply_configuration = meta_monitor_manager_dummy_apply_config;
}
static void
meta_monitor_manager_dummy_init (MetaMonitorManagerDummy *manager)
{
}