MonitorManager: add a KMS backend

Using the new Cogl API to actually modeset (because we can't
use the DRM API directly without controlling buffer swap), we
can finally have a KMS monitor backend, which means full display
configuration when running on bare metal.

https://bugzilla.gnome.org/show_bug.cgi?id=706308
This commit is contained in:
Giovanni Campagna 2013-07-30 11:36:18 +02:00 committed by Giovanni Campagna
parent e48a5cd5f2
commit 65db8efbe8
7 changed files with 1006 additions and 6 deletions

View File

@ -134,6 +134,7 @@ libmutter_wayland_la_SOURCES = \
core/meta-xrandr-shared.h \
core/monitor.c \
core/monitor-config.c \
core/monitor-kms.c \
core/monitor-private.h \
core/monitor-xrandr.c \
core/mutter-Xatomtype.h \

939
src/core/monitor-kms.c Normal file
View File

@ -0,0 +1,939 @@
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* 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.
*
* Author: Giovanni Campagna <gcampagn@redhat.com>
*/
#include "config.h"
#include <string.h>
#include <stdlib.h>
#include <clutter/clutter.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <unistd.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <meta/main.h>
#include <meta/errors.h>
#include "monitor-private.h"
#include "edid.h"
#define ALL_WL_TRANSFORMS ((1 << (WL_OUTPUT_TRANSFORM_FLIPPED_270 + 1)) - 1)
typedef struct {
drmModeConnector *connector;
unsigned n_encoders;
drmModeEncoderPtr *encoders;
drmModeEncoderPtr current_encoder;
/* bitmasks of encoder position in the resources array */
uint32_t encoder_mask;
uint32_t enc_clone_mask;
uint32_t dpms_prop_id;
uint32_t edid_blob_id;
} MetaOutputKms;
struct _MetaMonitorManagerKms
{
MetaMonitorManager parent_instance;
int fd;
drmModeConnector **connectors;
unsigned int n_connectors;
drmModeEncoder **encoders;
unsigned int n_encoders;
drmModeEncoder *current_encoder;
};
struct _MetaMonitorManagerKmsClass
{
MetaMonitorManagerClass parent_class;
};
G_DEFINE_TYPE (MetaMonitorManagerKms, meta_monitor_manager_kms, META_TYPE_MONITOR_MANAGER);
static void
free_resources (MetaMonitorManagerKms *manager_kms)
{
unsigned i;
for (i = 0; i < manager_kms->n_encoders; i++)
drmModeFreeEncoder (manager_kms->encoders[i]);
for (i = 0; i < manager_kms->n_connectors; i++)
drmModeFreeConnector (manager_kms->connectors[i]);
g_free (manager_kms->encoders);
g_free (manager_kms->connectors);
}
static int
compare_outputs (const void *one,
const void *two)
{
const MetaOutput *o_one = one, *o_two = two;
return strcmp (o_one->name, o_two->name);
}
static char *
make_output_name (drmModeConnector *connector)
{
static const char * const connector_type_names[] = {
"unknown", "VGA", "DVII", "DVID", "DVID", "Composite",
"SVIDEO", "LVDS", "Component", "9PinDIN", "DisplayPort",
"HDMIA", "HDMIB", "TV", "eDP"
};
const char *connector_type_name;
if (connector->connector_type >= 0 &&
connector->connector_type < G_N_ELEMENTS (connector_type_names))
connector_type_name = connector_type_names[connector->connector_type];
else
connector_type_name = "unknown";
return g_strdup_printf ("%s%d", connector_type_name, connector->connector_id);
}
static void
meta_output_destroy_notify (MetaOutput *output)
{
MetaOutputKms *output_kms;
unsigned i;
output_kms = output->driver_private;
for (i = 0; i < output_kms->n_encoders; i++)
drmModeFreeEncoder (output_kms->encoders[i]);
g_free (output_kms->encoders);
g_slice_free (MetaOutputKms, output_kms);
}
static void
meta_monitor_mode_destroy_notify (MetaMonitorMode *output)
{
g_slice_free (drmModeModeInfo, output->driver_private);
}
static gboolean
drm_mode_equal (gconstpointer one,
gconstpointer two)
{
const drmModeModeInfo *m_one = one;
const drmModeModeInfo *m_two = two;
return m_one->clock == m_two->clock &&
m_one->hdisplay == m_two->hdisplay &&
m_one->hsync_start == m_two->hsync_start &&
m_one->hsync_end == m_two->hsync_end &&
m_one->htotal == m_two->htotal &&
m_one->hskew == m_two->hskew &&
m_one->vdisplay == m_two->vdisplay &&
m_one->vsync_start == m_two->vsync_start &&
m_one->vsync_end == m_two->vsync_end &&
m_one->vtotal == m_two->vtotal &&
m_one->vscan == m_two->vscan &&
m_one->vrefresh == m_two->vrefresh &&
m_one->flags == m_two->flags &&
m_one->type == m_two->type &&
strncmp (m_one->name, m_two->name, DRM_DISPLAY_MODE_LEN) == 0;
}
static guint
drm_mode_hash (gconstpointer ptr)
{
const drmModeModeInfo *mode = ptr;
guint hash = 0;
/* We don't include the name in the hash because it's generally
derived from the other fields (hdisplay, vdisplay and flags)
*/
hash ^= mode->clock;
hash ^= mode->hdisplay ^ mode->hsync_start ^ mode->hsync_end;
hash ^= mode->vdisplay ^ mode->vsync_start ^ mode->vsync_end;
hash ^= mode->vrefresh;
hash ^= mode->flags ^ mode->type;
return hash;
}
static void
find_properties (MetaMonitorManagerKms *manager_kms,
MetaOutputKms *output_kms)
{
drmModePropertyPtr prop;
int i;
for (i = 0; i < output_kms->connector->count_props; i++)
{
prop = drmModeGetProperty (manager_kms->fd, output_kms->connector->props[i]);
if (!prop)
continue;
if ((prop->flags & DRM_MODE_PROP_ENUM) &&
strcmp(prop->name, "DPMS") == 0)
output_kms->dpms_prop_id = prop->prop_id;
else if ((prop->flags & DRM_MODE_PROP_BLOB) &&
strcmp (prop->name, "EDID") == 0)
output_kms->edid_blob_id = output_kms->connector->prop_values[i];
drmModeFreeProperty(prop);
}
}
static GBytes *
read_output_edid (MetaMonitorManagerKms *manager_kms,
MetaOutput *output)
{
MetaOutputKms *output_kms = output->driver_private;
drmModePropertyBlobPtr edid_blob = NULL;
if (output_kms->edid_blob_id == 0)
return NULL;
edid_blob = drmModeGetPropertyBlob (manager_kms->fd, output_kms->edid_blob_id);
if (!edid_blob)
{
meta_warning ("Failed to read EDID of output %s: %s\n", output->name, strerror(errno));
return NULL;
}
if (edid_blob->length > 0)
return g_bytes_new_with_free_func (edid_blob->data, edid_blob->length,
(GDestroyNotify)drmModeFreePropertyBlob, edid_blob);
else
{
drmModeFreePropertyBlob (edid_blob);
return NULL;
}
}
static MetaMonitorMode *
find_meta_mode (MetaMonitorManager *manager,
const drmModeModeInfo *drm_mode)
{
unsigned k;
for (k = 0; k < manager->n_modes; k++)
{
if (drm_mode_equal (drm_mode, manager->modes[k].driver_private))
return &manager->modes[k];
}
g_assert_not_reached ();
return NULL;
}
static MetaOutput *
find_output_by_id (MetaOutput *outputs,
unsigned n_outputs,
glong id)
{
unsigned i;
for (i = 0; i < n_outputs; i++)
if (outputs[i].output_id == id)
return &outputs[i];
return NULL;
}
static void
meta_monitor_manager_kms_read_current (MetaMonitorManager *manager)
{
MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
drmModeRes *resources;
GHashTable *modes;
GHashTableIter iter;
drmModeModeInfo *mode;
unsigned int i, j, k;
unsigned int n_actual_outputs;
int width, height;
MetaOutput *old_outputs;
unsigned int n_old_outputs;
resources = drmModeGetResources(manager_kms->fd);
modes = g_hash_table_new (drm_mode_hash, drm_mode_equal);
manager->max_screen_width = resources->max_width;
manager->max_screen_height = resources->max_height;
manager->power_save_mode = META_POWER_SAVE_ON;
old_outputs = manager->outputs;
n_old_outputs = manager->n_outputs;
/* Note: we must not free the public structures (output, crtc, monitor
mode and monitor info) here, they must be kept alive until the API
users are done with them after we emit monitors-changed, and thus
are freed by the platform-independent layer. */
free_resources (manager_kms);
manager_kms->n_connectors = resources->count_connectors;
manager_kms->connectors = g_new (drmModeConnector *, manager_kms->n_connectors);
for (i = 0; i < manager_kms->n_connectors; i++)
{
drmModeConnector *connector;
connector = drmModeGetConnector (manager_kms->fd, resources->connectors[i]);
manager_kms->connectors[i] = connector;
if (connector->connection == DRM_MODE_CONNECTED)
{
/* Collect all modes for this connector */
for (j = 0; j < (unsigned)connector->count_modes; j++)
g_hash_table_add (modes, &connector->modes[j]);
}
}
manager_kms->n_encoders = resources->count_encoders;
manager_kms->encoders = g_new (drmModeEncoder *, manager_kms->n_encoders);
for (i = 0; i < manager_kms->n_encoders; i++)
{
manager_kms->encoders[i] = drmModeGetEncoder (manager_kms->fd,
resources->encoders[i]);
}
manager->n_modes = g_hash_table_size (modes);
manager->modes = g_new0 (MetaMonitorMode, manager->n_modes);
g_hash_table_iter_init (&iter, modes);
i = 0;
while (g_hash_table_iter_next (&iter, NULL, (gpointer)&mode))
{
MetaMonitorMode *meta_mode;
meta_mode = &manager->modes[i];
meta_mode->mode_id = i;
meta_mode->name = g_strndup (mode->name, DRM_DISPLAY_MODE_LEN);
meta_mode->width = mode->hdisplay;
meta_mode->height = mode->vdisplay;
meta_mode->refresh_rate = (1000 * mode->clock /
((float)mode->htotal * mode->vtotal));
meta_mode->driver_private = g_slice_dup (drmModeModeInfo, mode);
meta_mode->driver_notify = (GDestroyNotify)meta_monitor_mode_destroy_notify;
i++;
}
g_hash_table_destroy (modes);
manager->n_crtcs = resources->count_crtcs;
manager->crtcs = g_new0 (MetaCRTC, manager->n_crtcs);
width = 0; height = 0;
for (i = 0; i < (unsigned)resources->count_crtcs; i++)
{
drmModeCrtc *crtc;
MetaCRTC *meta_crtc;
crtc = drmModeGetCrtc (manager_kms->fd, resources->crtcs[i]);
meta_crtc = &manager->crtcs[i];
meta_crtc->crtc_id = crtc->crtc_id;
meta_crtc->rect.x = crtc->x;
meta_crtc->rect.y = crtc->y;
meta_crtc->rect.width = crtc->width;
meta_crtc->rect.height = crtc->height;
meta_crtc->is_dirty = FALSE;
meta_crtc->transform = WL_OUTPUT_TRANSFORM_NORMAL;
/* FIXME: implement! */
meta_crtc->all_transforms = 1 << WL_OUTPUT_TRANSFORM_NORMAL;
if (crtc->mode_valid)
{
for (j = 0; j < manager->n_modes; j++)
{
if (drm_mode_equal (&crtc->mode, manager->modes[j].driver_private))
{
meta_crtc->current_mode = &manager->modes[j];
break;
}
}
width = MAX (width, meta_crtc->rect.x + meta_crtc->rect.width);
height = MAX (height, meta_crtc->rect.y + meta_crtc->rect.height);
}
drmModeFreeCrtc (crtc);
}
manager->screen_width = width;
manager->screen_height = height;
manager->outputs = g_new0 (MetaOutput, manager_kms->n_connectors);
n_actual_outputs = 0;
for (i = 0; i < manager_kms->n_connectors; i++)
{
MetaOutput *meta_output, *old_output;
MetaOutputKms *output_kms;
drmModeConnector *connector;
GArray *crtcs;
unsigned int crtc_mask;
GBytes *edid;
connector = manager_kms->connectors[i];
meta_output = &manager->outputs[n_actual_outputs];
if (connector->connection == DRM_MODE_CONNECTED)
{
meta_output->driver_private = output_kms = g_slice_new0 (MetaOutputKms);
meta_output->driver_notify = (GDestroyNotify)meta_output_destroy_notify;
meta_output->output_id = connector->connector_id;
meta_output->name = make_output_name (connector);
meta_output->width_mm = connector->mmWidth;
meta_output->height_mm = connector->mmHeight;
switch (connector->subpixel)
{
case DRM_MODE_SUBPIXEL_NONE:
meta_output->subpixel_order = COGL_SUBPIXEL_ORDER_NONE;
break;
case DRM_MODE_SUBPIXEL_HORIZONTAL_RGB:
meta_output->subpixel_order = COGL_SUBPIXEL_ORDER_HORIZONTAL_RGB;
break;
case DRM_MODE_SUBPIXEL_HORIZONTAL_BGR:
meta_output->subpixel_order = COGL_SUBPIXEL_ORDER_HORIZONTAL_BGR;
break;
case DRM_MODE_SUBPIXEL_VERTICAL_RGB:
meta_output->subpixel_order = COGL_SUBPIXEL_ORDER_VERTICAL_RGB;
break;
case DRM_MODE_SUBPIXEL_VERTICAL_BGR:
meta_output->subpixel_order = COGL_SUBPIXEL_ORDER_VERTICAL_BGR;
break;
case DRM_MODE_SUBPIXEL_UNKNOWN:
default:
meta_output->subpixel_order = COGL_SUBPIXEL_ORDER_UNKNOWN;
break;
}
meta_output->n_modes = connector->count_modes;
meta_output->modes = g_new0 (MetaMonitorMode *, meta_output->n_modes);
for (j = 0; j < meta_output->n_modes; j++)
meta_output->modes[j] = find_meta_mode (manager, &connector->modes[j]);
meta_output->preferred_mode = meta_output->modes[0];
output_kms->connector = connector;
output_kms->n_encoders = connector->count_encoders;
output_kms->encoders = g_new0 (drmModeEncoderPtr, output_kms->n_encoders);
crtc_mask = ~(unsigned int)0;
for (j = 0; j < output_kms->n_encoders; j++)
{
output_kms->encoders[j] = drmModeGetEncoder (manager_kms->fd, connector->encoders[j]);
/* We only list CRTCs as supported if they are supported by all encoders
for this connectors.
This is what xf86-video-modesetting does (see drmmode_output_init())
*/
crtc_mask &= output_kms->encoders[j]->possible_crtcs;
if (output_kms->encoders[j]->encoder_id == connector->encoder_id)
output_kms->current_encoder = output_kms->encoders[j];
}
crtcs = g_array_new (FALSE, FALSE, sizeof (MetaCRTC*));
for (j = 0; j < manager->n_crtcs; j++)
{
if (crtc_mask & (1 << j))
{
MetaCRTC *crtc = &manager->crtcs[j];
g_array_append_val (crtcs, crtc);
}
}
meta_output->n_possible_crtcs = crtcs->len;
meta_output->possible_crtcs = (void*)g_array_free (crtcs, FALSE);
if (output_kms->current_encoder && output_kms->current_encoder->crtc_id != 0)
{
for (j = 0; j < manager->n_crtcs; j++)
{
if (manager->crtcs[j].crtc_id == output_kms->current_encoder->crtc_id)
{
meta_output->crtc = &manager->crtcs[j];
break;
}
}
}
else
meta_output->crtc = NULL;
old_output = find_output_by_id (old_outputs, n_old_outputs,
meta_output->output_id);
if (old_output)
{
meta_output->is_primary = old_output->is_primary;
meta_output->is_presentation = old_output->is_presentation;
}
else
{
meta_output->is_primary = FALSE;
meta_output->is_presentation = FALSE;
}
find_properties (manager_kms, output_kms);
edid = read_output_edid (manager_kms, meta_output);
if (edid)
{
MonitorInfo *parsed_edid;
gsize len;
parsed_edid = decode_edid (g_bytes_get_data (edid, &len));
if (parsed_edid)
{
meta_output->vendor = g_strndup (parsed_edid->manufacturer_code, 4);
meta_output->product = g_strndup (parsed_edid->dsc_product_name, 14);
meta_output->serial = g_strndup (parsed_edid->dsc_serial_number, 14);
g_free (parsed_edid);
}
g_bytes_unref (edid);
}
if (!meta_output->vendor)
{
meta_output->vendor = g_strdup ("unknown");
meta_output->product = g_strdup ("unknown");
meta_output->serial = g_strdup ("unknown");
}
/* FIXME: backlight is a very driver specific thing unfortunately,
every DDX does its own thing, and the dumb KMS API does not include it.
For example, xf86-video-intel has a list of paths to probe in /sys/class/backlight
(one for each major HW maker, and then some).
We can't do the same because we're not root.
It might be best to leave backlight out of the story and rely on the setuid
helper in gnome-settings-daemon.
*/
meta_output->backlight_min = 0;
meta_output->backlight_max = 0;
meta_output->backlight = -1;
n_actual_outputs++;
}
}
manager->n_outputs = n_actual_outputs;
manager->outputs = g_renew (MetaOutput, manager->outputs, manager->n_outputs);
/* Sort the outputs for easier handling in MetaMonitorConfig */
qsort (manager->outputs, manager->n_outputs, sizeof (MetaOutput), compare_outputs);
/* Now fix the clones.
Code mostly inspired by xf86-video-modesetting. */
/* XXX: intel hardware doesn't usually have clones, but I only have laptops with
intel cards, so this code was never tested! */
for (i = 0; i < manager->n_outputs; i++)
{
MetaOutput *meta_output;
MetaOutputKms *output_kms;
meta_output = &manager->outputs[i];
output_kms = meta_output->driver_private;
output_kms->enc_clone_mask = 0xff;
output_kms->encoder_mask = 0;
for (j = 0; j < output_kms->n_encoders; j++)
{
for (k = 0; k < manager_kms->n_encoders; k++)
{
if (output_kms->encoders[j]->encoder_id == manager_kms->encoders[k]->encoder_id)
{
output_kms->encoder_mask |= (1 << k);
break;
}
}
output_kms->enc_clone_mask &= output_kms->encoders[j]->possible_clones;
}
}
for (i = 0; i < manager->n_outputs; i++)
{
MetaOutput *meta_output;
MetaOutputKms *output_kms;
meta_output = &manager->outputs[i];
output_kms = meta_output->driver_private;
if (output_kms->enc_clone_mask == 0)
continue;
for (j = 0; j < manager->n_outputs; j++)
{
MetaOutput *meta_clone;
MetaOutputKms *clone_kms;
meta_clone = &manager->outputs[i];
clone_kms = meta_clone->driver_private;
if (meta_clone == meta_output)
continue;
if (clone_kms->encoder_mask == 0)
continue;
if (clone_kms->encoder_mask == output_kms->enc_clone_mask)
{
meta_output->n_possible_clones++;
meta_output->possible_clones = g_renew (MetaOutput *,
meta_output->possible_clones,
meta_output->n_possible_clones);
meta_output->possible_clones[meta_output->n_possible_clones - 1] = meta_clone;
}
}
}
drmModeFreeResources (resources);
}
static GBytes *
meta_monitor_manager_kms_read_edid (MetaMonitorManager *manager,
MetaOutput *output)
{
MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
return read_output_edid (manager_kms, output);
}
static void
meta_monitor_manager_kms_set_power_save_mode (MetaMonitorManager *manager,
MetaPowerSave mode)
{
MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
uint64_t state;
unsigned i;
switch (mode) {
case META_POWER_SAVE_ON:
state = DRM_MODE_DPMS_ON;
break;
case META_POWER_SAVE_STANDBY:
state = DRM_MODE_DPMS_STANDBY;
break;
case META_POWER_SAVE_SUSPEND:
state = DRM_MODE_DPMS_SUSPEND;
break;
case META_POWER_SAVE_OFF:
state = DRM_MODE_DPMS_SUSPEND;
break;
default:
return;
}
for (i = 0; i < manager->n_outputs; i++)
{
MetaOutput *meta_output;
MetaOutputKms *output_kms;
meta_output = &manager->outputs[i];
output_kms = meta_output->driver_private;
if (output_kms->dpms_prop_id != 0)
{
int ok = drmModeConnectorSetProperty(manager_kms->fd, meta_output->output_id,
output_kms->dpms_prop_id, state);
if (ok < 0)
meta_warning ("Failed to set power save mode for output %s: %s\n",
meta_output->name, strerror (errno));
}
}
}
static void
crtc_free (CoglKmsCrtc *crtc)
{
g_free (crtc->connectors);
g_slice_free (CoglKmsCrtc, crtc);
}
static void
meta_monitor_manager_kms_apply_configuration (MetaMonitorManager *manager,
MetaCRTCInfo **crtcs,
unsigned int n_crtcs,
MetaOutputInfo **outputs,
unsigned int n_outputs)
{
ClutterBackend *backend;
CoglContext *cogl_context;
CoglDisplay *cogl_display;
unsigned i;
GPtrArray *cogl_crtcs;
int screen_width, screen_height;
gboolean ok;
GError *error;
cogl_crtcs = g_ptr_array_new_full (manager->n_crtcs, (GDestroyNotify)crtc_free);
screen_width = 0; screen_height = 0;
for (i = 0; i < n_crtcs; i++)
{
MetaCRTCInfo *crtc_info = crtcs[i];
MetaCRTC *crtc = crtc_info->crtc;
CoglKmsCrtc *cogl_crtc;
crtc->is_dirty = TRUE;
cogl_crtc = g_slice_new0 (CoglKmsCrtc);
g_ptr_array_add (cogl_crtcs, cogl_crtc);
if (crtc_info->mode == NULL)
{
cogl_crtc->id = crtc->crtc_id;
cogl_crtc->x = 0;
cogl_crtc->y = 0;
cogl_crtc->count = 0;
memset (&cogl_crtc->mode, 0, sizeof (drmModeModeInfo));
cogl_crtc->connectors = NULL;
cogl_crtc->count = 0;
crtc->rect.x = 0;
crtc->rect.y = 0;
crtc->rect.width = 0;
crtc->rect.height = 0;
crtc->current_mode = NULL;
}
else
{
MetaMonitorMode *mode;
uint32_t *connectors;
unsigned int j, n_connectors;
int width, height;
mode = crtc_info->mode;
cogl_crtc->id = crtc->crtc_id;
cogl_crtc->x = crtc_info->x;
cogl_crtc->y = crtc_info->y;
cogl_crtc->count = n_connectors = crtc_info->outputs->len;
cogl_crtc->connectors = connectors = g_new (uint32_t, n_connectors);
for (j = 0; j < n_connectors; j++)
{
MetaOutput *output = g_ptr_array_index (crtc_info->outputs, j);
connectors[j] = output->output_id;
output->is_dirty = TRUE;
output->crtc = crtc;
}
memcpy (&cogl_crtc->mode, crtc_info->mode->driver_private,
sizeof (drmModeModeInfo));
if (meta_monitor_transform_is_rotated (crtc_info->transform))
{
width = mode->height;
height = mode->width;
}
else
{
width = mode->width;
height = mode->height;
}
screen_width = MAX (screen_width, crtc_info->x + width);
screen_height = MAX (screen_height, crtc_info->y + 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;
}
}
/* Disable CRTCs not mentioned in the list (they have is_dirty == FALSE,
because they weren't seen in the first loop) */
for (i = 0; i < manager->n_crtcs; i++)
{
MetaCRTC *crtc = &manager->crtcs[i];
CoglKmsCrtc *cogl_crtc;
crtc->logical_monitor = NULL;
if (crtc->is_dirty)
{
crtc->is_dirty = FALSE;
continue;
}
cogl_crtc = g_slice_new0 (CoglKmsCrtc);
g_ptr_array_add (cogl_crtcs, cogl_crtc);
cogl_crtc->id = crtc->crtc_id;
cogl_crtc->x = 0;
cogl_crtc->y = 0;
cogl_crtc->count = 0;
memset (&cogl_crtc->mode, 0, sizeof (drmModeModeInfo));
cogl_crtc->connectors = NULL;
cogl_crtc->count = 0;
crtc->rect.x = 0;
crtc->rect.y = 0;
crtc->rect.width = 0;
crtc->rect.height = 0;
crtc->current_mode = NULL;
}
backend = clutter_get_default_backend ();
cogl_context = clutter_backend_get_cogl_context (backend);
cogl_display = cogl_context_get_display (cogl_context);
error = NULL;
ok = cogl_kms_display_set_layout (cogl_display, screen_width, screen_height,
(CoglKmsCrtc**)cogl_crtcs->pdata, cogl_crtcs->len, &error);
g_ptr_array_unref (cogl_crtcs);
if (!ok)
{
meta_warning ("Applying display configuration failed: %s\n", error->message);
g_error_free (error);
return;
}
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 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_kms_get_crtc_gamma (MetaMonitorManager *manager,
MetaCRTC *crtc,
gsize *size,
unsigned short **red,
unsigned short **green,
unsigned short **blue)
{
MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
drmModeCrtc *kms_crtc;
kms_crtc = drmModeGetCrtc (manager_kms->fd, crtc->crtc_id);
*size = kms_crtc->gamma_size;
*red = g_new (unsigned short, *size);
*green = g_new (unsigned short, *size);
*blue = g_new (unsigned short, *size);
drmModeCrtcGetGamma (manager_kms->fd, crtc->crtc_id, *size, *red, *green, *blue);
drmModeFreeCrtc (kms_crtc);
}
static void
meta_monitor_manager_kms_set_crtc_gamma (MetaMonitorManager *manager,
MetaCRTC *crtc,
gsize size,
unsigned short *red,
unsigned short *green,
unsigned short *blue)
{
MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (manager);
drmModeCrtcSetGamma (manager_kms->fd, crtc->crtc_id, size, red, green, blue);
}
static void
meta_monitor_manager_kms_init (MetaMonitorManagerKms *manager_kms)
{
ClutterBackend *backend;
CoglContext *cogl_context;
CoglDisplay *cogl_display;
CoglRenderer *cogl_renderer;
backend = clutter_get_default_backend ();
cogl_context = clutter_backend_get_cogl_context (backend);
cogl_display = cogl_context_get_display (cogl_context);
cogl_renderer = cogl_display_get_renderer (cogl_display);
manager_kms->fd = cogl_kms_renderer_get_kms_fd (cogl_renderer);
}
static void
meta_monitor_manager_kms_finalize (GObject *object)
{
MetaMonitorManagerKms *manager_kms = META_MONITOR_MANAGER_KMS (object);
free_resources (manager_kms);
G_OBJECT_CLASS (meta_monitor_manager_kms_parent_class)->finalize (object);
}
static void
meta_monitor_manager_kms_class_init (MetaMonitorManagerKmsClass *klass)
{
MetaMonitorManagerClass *manager_class = META_MONITOR_MANAGER_CLASS (klass);
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = meta_monitor_manager_kms_finalize;
manager_class->read_current = meta_monitor_manager_kms_read_current;
manager_class->read_edid = meta_monitor_manager_kms_read_edid;
manager_class->apply_configuration = meta_monitor_manager_kms_apply_configuration;
manager_class->set_power_save_mode = meta_monitor_manager_kms_set_power_save_mode;
manager_class->get_crtc_gamma = meta_monitor_manager_kms_get_crtc_gamma;
manager_class->set_crtc_gamma = meta_monitor_manager_kms_set_crtc_gamma;
}

View File

@ -116,6 +116,9 @@ struct _MetaOutput
*/
gboolean is_primary;
gboolean is_presentation;
gpointer driver_private;
GDestroyNotify driver_notify;
};
struct _MetaCRTC
@ -139,10 +142,14 @@ 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;
};
/**
@ -351,6 +358,18 @@ 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))
@ -383,6 +402,8 @@ 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 */

View File

@ -977,7 +977,7 @@ meta_monitor_manager_xrandr_handle_xevent (MetaMonitorManager *manager,
MetaOutput *old_outputs;
MetaCRTC *old_crtcs;
MetaMonitorMode *old_modes;
int n_old_outputs;
unsigned int n_old_outputs, n_old_modes;
if ((event->type - manager_xrandr->rr_event_base) != RRScreenChangeNotify)
return FALSE;
@ -988,6 +988,7 @@ meta_monitor_manager_xrandr_handle_xevent (MetaMonitorManager *manager,
old_outputs = manager->outputs;
n_old_outputs = manager->n_outputs;
old_modes = manager->modes;
n_old_modes = manager->n_modes;
old_crtcs = manager->crtcs;
manager->serial++;
@ -1022,7 +1023,7 @@ meta_monitor_manager_xrandr_handle_xevent (MetaMonitorManager *manager,
}
meta_monitor_manager_free_output_array (old_outputs, n_old_outputs);
g_free (old_modes);
meta_monitor_manager_free_mode_array (old_modes, n_old_modes);
g_free (old_crtcs);
return TRUE;

View File

@ -36,6 +36,7 @@
#include "util-private.h"
#include <meta/errors.h>
#include "monitor-private.h"
#include "meta-wayland-private.h"
#include "meta-dbus-xrandr.h"
@ -358,7 +359,16 @@ static GType
get_default_backend (void)
{
if (meta_is_wayland_compositor ())
return META_TYPE_MONITOR_MANAGER; /* FIXME: KMS */
{
MetaWaylandCompositor *compositor;
compositor = meta_wayland_compositor_get_default ();
if (meta_wayland_compositor_is_native (compositor))
return META_TYPE_MONITOR_MANAGER_KMS;
else
return META_TYPE_MONITOR_MANAGER;
}
else
return META_TYPE_MONITOR_MANAGER_XRANDR;
}
@ -407,17 +417,18 @@ meta_monitor_manager_constructed (GObject *object)
MetaOutput *old_outputs;
MetaCRTC *old_crtcs;
MetaMonitorMode *old_modes;
int n_old_outputs;
unsigned int n_old_outputs, n_old_modes;
old_outputs = manager->outputs;
n_old_outputs = manager->n_outputs;
old_modes = manager->modes;
n_old_modes = manager->n_modes;
old_crtcs = manager->crtcs;
read_current_config (manager);
meta_monitor_manager_free_output_array (old_outputs, n_old_outputs);
g_free (old_modes);
meta_monitor_manager_free_mode_array (old_modes, n_old_modes);
g_free (old_crtcs);
}
@ -459,19 +470,39 @@ meta_monitor_manager_free_output_array (MetaOutput *old_outputs,
g_free (old_outputs[i].modes);
g_free (old_outputs[i].possible_crtcs);
g_free (old_outputs[i].possible_clones);
if (old_outputs[i].driver_notify)
old_outputs[i].driver_notify (&old_outputs[i]);
}
g_free (old_outputs);
}
void
meta_monitor_manager_free_mode_array (MetaMonitorMode *old_modes,
int n_old_modes)
{
int i;
for (i = 0; i < n_old_modes; i++)
{
g_free (old_modes[i].name);
if (old_modes[i].driver_notify)
old_modes[i].driver_notify (&old_modes[i]);
}
g_free (old_modes);
}
static void
meta_monitor_manager_finalize (GObject *object)
{
MetaMonitorManager *manager = META_MONITOR_MANAGER (object);
meta_monitor_manager_free_output_array (manager->outputs, manager->n_outputs);
meta_monitor_manager_free_mode_array (manager->modes, manager->n_modes);
g_free (manager->monitor_infos);
g_free (manager->modes);
g_free (manager->crtcs);
G_OBJECT_CLASS (meta_monitor_manager_parent_class)->finalize (object);

View File

@ -106,6 +106,7 @@ void meta_wayland_compositor_set_input_focus (MetaWaylandComp
MetaWindow *window);
MetaLauncher *meta_wayland_compositor_get_launcher (MetaWaylandCompositor *compositor);
gboolean meta_wayland_compositor_is_native (MetaWaylandCompositor *compositor);
MetaWaylandBuffer * meta_wayland_buffer_from_resource (struct wl_resource *resource);

View File

@ -989,3 +989,9 @@ meta_wayland_compositor_get_launcher (MetaWaylandCompositor *compositor)
{
return compositor->launcher;
}
gboolean
meta_wayland_compositor_is_native (MetaWaylandCompositor *compositor)
{
return compositor->drm_fd >= 0;
}