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nested: Allow configuration of dummy output configuration

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Enable a user to test and debug multi output configurations on Wayland
without having the available hardware by enabling some basic
configuration of the dummy monitor manager.

Currently available configuration options are:

MUTTER_DEBUG_NUM_DUMMY_MONITORS - to set the number of monitors
MUTTER_DEBUG_DUMMY_MONITOR_SCALES - to configure the monitor scales

See src/backends/meta-monitor-manager-dummy.c for detailed description
of the available configuration parameters.

https://bugzilla.gnome.org/show_bug.cgi?id=747089
This commit is contained in:
Jonas Ådahl 2015-03-30 18:33:21 +08:00
parent 5f1bcc124f
commit bede9970de
1 changed files with 108 additions and 38 deletions
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146
src/backends/meta-monitor-manager-dummy.c
View File

@ -27,6 +27,10 @@
#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
@ -44,9 +48,69 @@ G_DEFINE_TYPE (MetaMonitorManagerDummy, meta_monitor_manager_dummy, META_TYPE_MO
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;
manager->screen_width = 1024 * num_monitors;
manager->screen_height = 768;
manager->modes = g_new0 (MetaMonitorMode, 1);
@ -57,46 +121,52 @@ meta_monitor_manager_dummy_read_current (MetaMonitorManager *manager)
manager->modes[0].height = 768;
manager->modes[0].refresh_rate = 60.0;
manager->crtcs = g_new0 (MetaCRTC, 1);
manager->n_crtcs = 1;
manager->crtcs = g_new0 (MetaCRTC, num_monitors);
manager->n_crtcs = num_monitors;
manager->outputs = g_new0 (MetaOutput, num_monitors);
manager->n_outputs = num_monitors;
manager->crtcs[0].crtc_id = 1;
manager->crtcs[0].rect.x = 0;
manager->crtcs[0].rect.y = 0;
manager->crtcs[0].rect.width = manager->modes[0].width;
manager->crtcs[0].rect.height = manager->modes[0].height;
manager->crtcs[0].current_mode = &manager->modes[0];
manager->crtcs[0].transform = META_MONITOR_TRANSFORM_NORMAL;
manager->crtcs[0].all_transforms = ALL_TRANSFORMS;
manager->crtcs[0].is_dirty = FALSE;
manager->crtcs[0].logical_monitor = NULL;
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;
manager->outputs = g_new0 (MetaOutput, 1);
manager->n_outputs = 1;
current_x += manager->crtcs[i].rect.width;
manager->outputs[0].crtc = &manager->crtcs[0];
manager->outputs[0].winsys_id = 1;
manager->outputs[0].name = g_strdup ("LVDS");
manager->outputs[0].vendor = g_strdup ("MetaProducts Inc.");
manager->outputs[0].product = g_strdup ("unknown");
manager->outputs[0].serial = g_strdup ("0xC0FFEE");
manager->outputs[0].width_mm = 222;
manager->outputs[0].height_mm = 125;
manager->outputs[0].subpixel_order = COGL_SUBPIXEL_ORDER_UNKNOWN;
manager->outputs[0].preferred_mode = &manager->modes[0];
manager->outputs[0].n_modes = 1;
manager->outputs[0].modes = g_new0 (MetaMonitorMode *, 1);
manager->outputs[0].modes[0] = &manager->modes[0];
manager->outputs[0].n_possible_crtcs = 1;
manager->outputs[0].possible_crtcs = g_new0 (MetaCRTC *, 1);
manager->outputs[0].possible_crtcs[0] = &manager->crtcs[0];
manager->outputs[0].n_possible_clones = 0;
manager->outputs[0].possible_clones = g_new0 (MetaOutput *, 0);
manager->outputs[0].backlight = -1;
manager->outputs[0].backlight_min = 0;
manager->outputs[0].backlight_max = 0;
manager->outputs[0].connector_type = META_CONNECTOR_TYPE_LVDS;
manager->outputs[0].scale = 1;
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