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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2014 Red Hat
*
* 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.
*
* Written by:
* Jasper St. Pierre <jstpierre@mecheye.net>
*/
#include "config.h"
#include "meta-wayland-outputs.h"
#include "meta-wayland-private.h"
#include "meta-monitor-manager-private.h"
#include <string.h>
typedef struct {
MetaMonitorInfo *monitor_info;
struct wl_global *global;
int x, y;
enum wl_output_transform transform;
GList *resources;
} MetaWaylandOutput;
static void
output_resource_destroy (struct wl_resource *res)
{
MetaWaylandOutput *wayland_output;
wayland_output = wl_resource_get_user_data (res);
wayland_output->resources = g_list_remove (wayland_output->resources, res);
}
static void
bind_output (struct wl_client *client,
void *data,
guint32 version,
guint32 id)
{
MetaWaylandOutput *wayland_output = data;
MetaMonitorInfo *monitor_info = wayland_output->monitor_info;
struct wl_resource *resource;
guint mode_flags;
MetaOutput *output = monitor_info->outputs[0];
resource = wl_resource_create (client, &wl_output_interface, version, id);
wayland_output->resources = g_list_prepend (wayland_output->resources, resource);
wl_resource_set_user_data (resource, wayland_output);
wl_resource_set_destructor (resource, output_resource_destroy);
meta_verbose ("Binding monitor %p/%s (%u, %u, %u, %u) x %f\n",
monitor_info, output->name,
monitor_info->rect.x, monitor_info->rect.y,
monitor_info->rect.width, monitor_info->rect.height,
monitor_info->refresh_rate);
wl_output_send_geometry (resource,
(int)monitor_info->rect.x,
(int)monitor_info->rect.y,
monitor_info->width_mm,
monitor_info->height_mm,
/* Cogl values reflect XRandR values,
and so does wayland */
output->subpixel_order,
output->vendor,
output->product,
output->crtc->transform);
g_assert (output->crtc->current_mode != NULL);
mode_flags = WL_OUTPUT_MODE_CURRENT;
if (output->crtc->current_mode == output->preferred_mode)
mode_flags |= WL_OUTPUT_MODE_PREFERRED;
wl_output_send_mode (resource,
mode_flags,
(int)monitor_info->rect.width,
(int)monitor_info->rect.height,
(int)monitor_info->refresh_rate);
if (version >= WL_OUTPUT_SCALE_SINCE_VERSION)
wl_output_send_scale (resource, output->scale);
if (version >= WL_OUTPUT_DONE_SINCE_VERSION)
wl_output_send_done (resource);
}
static void
wayland_output_destroy_notify (gpointer data)
{
MetaWaylandOutput *wayland_output = data;
GList *resources;
/* Make sure the destructors don't mess with the list */
resources = wayland_output->resources;
wayland_output->resources = NULL;
wl_global_destroy (wayland_output->global);
g_list_free (resources);
g_slice_free (MetaWaylandOutput, wayland_output);
}
static inline enum wl_output_transform
wl_output_transform_from_meta_monitor_transform (MetaMonitorTransform transform)
{
/* The enums are the same. */
return (enum wl_output_transform) transform;
}
static void
wayland_output_update_for_output (MetaWaylandOutput *wayland_output,
MetaMonitorInfo *monitor_info)
{
GList *iter;
guint mode_flags;
MetaOutput *output = monitor_info->outputs[0];
enum wl_output_transform wl_transform = wl_output_transform_from_meta_monitor_transform (output->crtc->transform);
mode_flags = WL_OUTPUT_MODE_CURRENT;
if (output->crtc->current_mode == output->preferred_mode)
mode_flags |= WL_OUTPUT_MODE_PREFERRED;
for (iter = wayland_output->resources; iter; iter = iter->next)
{
struct wl_resource *resource = iter->data;
if (wayland_output->x != monitor_info->rect.x ||
wayland_output->y != monitor_info->rect.y ||
wayland_output->transform != wl_transform)
{
wl_output_send_geometry (resource,
(int)monitor_info->rect.x,
(int)monitor_info->rect.y,
monitor_info->width_mm,
monitor_info->height_mm,
output->subpixel_order,
output->vendor,
output->product,
wl_transform);
}
wl_output_send_mode (resource,
mode_flags,
(int)monitor_info->rect.width,
(int)monitor_info->rect.height,
(int)monitor_info->refresh_rate);
}
/* It's very important that we change the output pointer here, as
the old structure is about to be freed by MetaMonitorManager */
wayland_output->monitor_info = monitor_info;
wayland_output->x = monitor_info->rect.x;
wayland_output->y = monitor_info->rect.y;
wayland_output->transform = wl_transform;
}
static GHashTable *
meta_wayland_compositor_update_outputs (MetaWaylandCompositor *compositor,
MetaMonitorManager *monitors)
{
unsigned int i;
GHashTable *new_table;
MetaMonitorInfo *monitor_infos;
unsigned int n_monitor_infos;
monitor_infos = meta_monitor_manager_get_monitor_infos (monitors, &n_monitor_infos);
new_table = g_hash_table_new_full (NULL, NULL, NULL, wayland_output_destroy_notify);
for (i = 0; i < n_monitor_infos; i++)
{
MetaMonitorInfo *info = &monitor_infos[i];
MetaWaylandOutput *wayland_output;
if (info->winsys_id == 0)
continue;
wayland_output = g_hash_table_lookup (compositor->outputs, GSIZE_TO_POINTER (info->winsys_id));
if (wayland_output)
{
g_hash_table_steal (compositor->outputs, GSIZE_TO_POINTER (info->winsys_id));
}
else
{
wayland_output = g_slice_new0 (MetaWaylandOutput);
wayland_output->global = wl_global_create (compositor->wayland_display,
&wl_output_interface,
META_WL_OUTPUT_VERSION,
wayland_output, bind_output);
}
wayland_output_update_for_output (wayland_output, info);
g_hash_table_insert (new_table, GSIZE_TO_POINTER (info->winsys_id), wayland_output);
}
g_hash_table_destroy (compositor->outputs);
return new_table;
}
static void
on_monitors_changed (MetaMonitorManager *monitors,
MetaWaylandCompositor *compositor)
{
compositor->outputs = meta_wayland_compositor_update_outputs (compositor, monitors);
}
void
meta_wayland_outputs_init (MetaWaylandCompositor *compositor)
{
MetaMonitorManager *monitors;
monitors = meta_monitor_manager_get ();
g_signal_connect (monitors, "monitors-changed",
G_CALLBACK (on_monitors_changed), compositor);
compositor->outputs = g_hash_table_new_full (NULL, NULL, NULL, wayland_output_destroy_notify);
compositor->outputs = meta_wayland_compositor_update_outputs (compositor, monitors);
}
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