Commit a4ba38ee authored by Jonas Ådahl's avatar Jonas Ådahl

backends/x11: Move CRTC code to its own file

Move code dealing with Xrandr MetaCrtcs and related functionality to its
own file. Eventually, MetaCrtcCrtc should be introduced, based on
MetaCrtc, and this commit is in preparation for that.

https://bugzilla.gnome.org/show_bug.cgi?id=785381
parent e32d52b9
......@@ -153,6 +153,8 @@ libmutter_@LIBMUTTER_API_VERSION@_la_SOURCES = \
backends/x11/meta-barrier-x11.h \
backends/x11/meta-clutter-backend-x11.c \
backends/x11/meta-clutter-backend-x11.h \
backends/x11/meta-crtc-xrandr.c \
backends/x11/meta-crtc-xrandr.h \
backends/x11/meta-cursor-renderer-x11.c \
backends/x11/meta-cursor-renderer-x11.h \
backends/x11/cm/meta-backend-x11-cm.c \
......
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2001, 2002 Havoc Pennington
* 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) 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) 2013-2017 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.
*/
#include "config.h"
#include "backends/x11/meta-crtc-xrandr.h"
#include <stdlib.h>
#include <X11/Xlib-xcb.h>
#include <xcb/randr.h>
#include "backends/x11/meta-monitor-manager-xrandr.h"
#define ALL_TRANSFORMS ((1 << (META_MONITOR_TRANSFORM_FLIPPED_270 + 1)) - 1)
gboolean
meta_crtc_xrandr_set_config (MetaCrtc *crtc,
xcb_randr_crtc_t xrandr_crtc,
xcb_timestamp_t timestamp,
int x,
int y,
xcb_randr_mode_t mode,
xcb_randr_rotation_t rotation,
xcb_randr_output_t *outputs,
int n_outputs,
xcb_timestamp_t *out_timestamp)
{
MetaMonitorManager *monitor_manager = meta_crtc_get_monitor_manager (crtc);
MetaMonitorManagerXrandr *monitor_manager_xrandr =
META_MONITOR_MANAGER_XRANDR (monitor_manager);
Display *xdisplay;
XRRScreenResources *resources;
xcb_connection_t *xcb_conn;
xcb_timestamp_t config_timestamp;
xcb_randr_set_crtc_config_cookie_t cookie;
xcb_randr_set_crtc_config_reply_t *reply;
xcb_generic_error_t *xcb_error = NULL;
xdisplay = meta_monitor_manager_xrandr_get_xdisplay (monitor_manager_xrandr);
xcb_conn = XGetXCBConnection (xdisplay);
resources =
meta_monitor_manager_xrandr_get_resources (monitor_manager_xrandr);
config_timestamp = resources->configTimestamp;
cookie = xcb_randr_set_crtc_config (xcb_conn,
xrandr_crtc,
timestamp,
config_timestamp,
x, y,
mode,
rotation,
n_outputs,
outputs);
reply = xcb_randr_set_crtc_config_reply (xcb_conn,
cookie,
&xcb_error);
if (xcb_error || !reply)
{
free (xcb_error);
free (reply);
return FALSE;
}
*out_timestamp = reply->timestamp;
free (reply);
return TRUE;
}
static MetaMonitorTransform
meta_monitor_transform_from_xrandr (Rotation rotation)
{
static const MetaMonitorTransform y_reflected_map[4] = {
META_MONITOR_TRANSFORM_FLIPPED_180,
META_MONITOR_TRANSFORM_FLIPPED_90,
META_MONITOR_TRANSFORM_FLIPPED,
META_MONITOR_TRANSFORM_FLIPPED_270
};
MetaMonitorTransform ret;
switch (rotation & 0x7F)
{
default:
case RR_Rotate_0:
ret = META_MONITOR_TRANSFORM_NORMAL;
break;
case RR_Rotate_90:
ret = META_MONITOR_TRANSFORM_90;
break;
case RR_Rotate_180:
ret = META_MONITOR_TRANSFORM_180;
break;
case RR_Rotate_270:
ret = META_MONITOR_TRANSFORM_270;
break;
}
if (rotation & RR_Reflect_X)
return ret + 4;
else if (rotation & RR_Reflect_Y)
return y_reflected_map[ret];
else
return ret;
}
#define ALL_ROTATIONS (RR_Rotate_0 | RR_Rotate_90 | RR_Rotate_180 | RR_Rotate_270)
static MetaMonitorTransform
meta_monitor_transform_from_xrandr_all (Rotation rotation)
{
unsigned ret;
/* Handle the common cases first (none or all) */
if (rotation == 0 || rotation == RR_Rotate_0)
return (1 << META_MONITOR_TRANSFORM_NORMAL);
/* All rotations and one reflection -> all of them by composition */
if ((rotation & ALL_ROTATIONS) &&
((rotation & RR_Reflect_X) || (rotation & RR_Reflect_Y)))
return ALL_TRANSFORMS;
ret = 1 << META_MONITOR_TRANSFORM_NORMAL;
if (rotation & RR_Rotate_90)
ret |= 1 << META_MONITOR_TRANSFORM_90;
if (rotation & RR_Rotate_180)
ret |= 1 << META_MONITOR_TRANSFORM_180;
if (rotation & RR_Rotate_270)
ret |= 1 << META_MONITOR_TRANSFORM_270;
if (rotation & (RR_Rotate_0 | RR_Reflect_X))
ret |= 1 << META_MONITOR_TRANSFORM_FLIPPED;
if (rotation & (RR_Rotate_90 | RR_Reflect_X))
ret |= 1 << META_MONITOR_TRANSFORM_FLIPPED_90;
if (rotation & (RR_Rotate_180 | RR_Reflect_X))
ret |= 1 << META_MONITOR_TRANSFORM_FLIPPED_180;
if (rotation & (RR_Rotate_270 | RR_Reflect_X))
ret |= 1 << META_MONITOR_TRANSFORM_FLIPPED_270;
return ret;
}
MetaCrtc *
meta_create_xrandr_crtc (MetaMonitorManager *monitor_manager,
XRRCrtcInfo *xrandr_crtc,
RRCrtc crtc_id,
XRRScreenResources *resources)
{
MetaCrtc *crtc;
unsigned int i;
crtc = g_object_new (META_TYPE_CRTC, NULL);
crtc->monitor_manager = monitor_manager;
crtc->crtc_id = crtc_id;
crtc->rect.x = xrandr_crtc->x;
crtc->rect.y = xrandr_crtc->y;
crtc->rect.width = xrandr_crtc->width;
crtc->rect.height = xrandr_crtc->height;
crtc->is_dirty = FALSE;
crtc->transform =
meta_monitor_transform_from_xrandr (xrandr_crtc->rotation);
crtc->all_transforms =
meta_monitor_transform_from_xrandr_all (xrandr_crtc->rotations);
for (i = 0; i < (unsigned int) resources->nmode; i++)
{
if (resources->modes[i].id == xrandr_crtc->mode)
{
crtc->current_mode = g_list_nth_data (monitor_manager->modes, i);
break;
}
}
return crtc;
}
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2017 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.
*/
#ifndef META_CRTC_XRANDR_H
#define META_CRTC_XRANDR_H
#include <X11/extensions/Xrandr.h>
#include <xcb/randr.h>
#include "backends/meta-crtc.h"
gboolean meta_crtc_xrandr_set_config (MetaCrtc *crtc,
xcb_randr_crtc_t xrandr_crtc,
xcb_timestamp_t timestamp,
int x,
int y,
xcb_randr_mode_t mode,
xcb_randr_rotation_t rotation,
xcb_randr_output_t *outputs,
int n_outputs,
xcb_timestamp_t *out_timestamp);
MetaCrtc * meta_create_xrandr_crtc (MetaMonitorManager *monitor_manager,
XRRCrtcInfo *xrandr_crtc,
RRCrtc crtc_id,
XRRScreenResources *resources);
#endif /* META_CRTC_XRANDR_H */
......@@ -44,10 +44,9 @@
#include "backends/meta-monitor-config-manager.h"
#include "backends/meta-logical-monitor.h"
#include "backends/meta-output.h"
#include "backends/x11/meta-crtc-xrandr.h"
#include "backends/x11/meta-output-xrandr.h"
#define ALL_TRANSFORMS ((1 << (META_MONITOR_TRANSFORM_FLIPPED_270 + 1)) - 1)
/* Look for DPI_FALLBACK in:
* http://git.gnome.org/browse/gnome-settings-daemon/tree/plugins/xsettings/gsd-xsettings-manager.c
* for the reasoning */
......@@ -95,81 +94,16 @@ meta_monitor_manager_xrandr_get_xdisplay (MetaMonitorManagerXrandr *manager_xran
return manager_xrandr->xdisplay;
}
gboolean
meta_monitor_manager_xrandr_has_randr15 (MetaMonitorManagerXrandr *manager_xrandr)
XRRScreenResources *
meta_monitor_manager_xrandr_get_resources (MetaMonitorManagerXrandr *manager_xrandr)
{
return manager_xrandr->has_randr15;
return manager_xrandr->resources;
}
static MetaMonitorTransform
meta_monitor_transform_from_xrandr (Rotation rotation)
{
static const MetaMonitorTransform y_reflected_map[4] = {
META_MONITOR_TRANSFORM_FLIPPED_180,
META_MONITOR_TRANSFORM_FLIPPED_90,
META_MONITOR_TRANSFORM_FLIPPED,
META_MONITOR_TRANSFORM_FLIPPED_270
};
MetaMonitorTransform ret;
switch (rotation & 0x7F)
{
default:
case RR_Rotate_0:
ret = META_MONITOR_TRANSFORM_NORMAL;
break;
case RR_Rotate_90:
ret = META_MONITOR_TRANSFORM_90;
break;
case RR_Rotate_180:
ret = META_MONITOR_TRANSFORM_180;
break;
case RR_Rotate_270:
ret = META_MONITOR_TRANSFORM_270;
break;
}
if (rotation & RR_Reflect_X)
return ret + 4;
else if (rotation & RR_Reflect_Y)
return y_reflected_map[ret];
else
return ret;
}
#define ALL_ROTATIONS (RR_Rotate_0 | RR_Rotate_90 | RR_Rotate_180 | RR_Rotate_270)
static MetaMonitorTransform
meta_monitor_transform_from_xrandr_all (Rotation rotation)
gboolean
meta_monitor_manager_xrandr_has_randr15 (MetaMonitorManagerXrandr *manager_xrandr)
{
unsigned ret;
/* Handle the common cases first (none or all) */
if (rotation == 0 || rotation == RR_Rotate_0)
return (1 << META_MONITOR_TRANSFORM_NORMAL);
/* All rotations and one reflection -> all of them by composition */
if ((rotation & ALL_ROTATIONS) &&
((rotation & RR_Reflect_X) || (rotation & RR_Reflect_Y)))
return ALL_TRANSFORMS;
ret = 1 << META_MONITOR_TRANSFORM_NORMAL;
if (rotation & RR_Rotate_90)
ret |= 1 << META_MONITOR_TRANSFORM_90;
if (rotation & RR_Rotate_180)
ret |= 1 << META_MONITOR_TRANSFORM_180;
if (rotation & RR_Rotate_270)
ret |= 1 << META_MONITOR_TRANSFORM_270;
if (rotation & (RR_Rotate_0 | RR_Reflect_X))
ret |= 1 << META_MONITOR_TRANSFORM_FLIPPED;
if (rotation & (RR_Rotate_90 | RR_Reflect_X))
ret |= 1 << META_MONITOR_TRANSFORM_FLIPPED_90;
if (rotation & (RR_Rotate_180 | RR_Reflect_X))
ret |= 1 << META_MONITOR_TRANSFORM_FLIPPED_180;
if (rotation & (RR_Rotate_270 | RR_Reflect_X))
ret |= 1 << META_MONITOR_TRANSFORM_FLIPPED_270;
return ret;
return manager_xrandr->has_randr15;
}
static int
......@@ -280,34 +214,13 @@ meta_monitor_manager_xrandr_read_current (MetaMonitorManager *manager)
for (i = 0; i < (unsigned)resources->ncrtc; i++)
{
XRRCrtcInfo *xrandr_crtc;
RRCrtc crtc_id;
MetaCrtc *crtc;
xrandr_crtc = XRRGetCrtcInfo (manager_xrandr->xdisplay, resources,
resources->crtcs[i]);
crtc = g_object_new (META_TYPE_CRTC, NULL);
crtc->monitor_manager = manager;
crtc->crtc_id = resources->crtcs[i];
crtc->rect.x = xrandr_crtc->x;
crtc->rect.y = xrandr_crtc->y;
crtc->rect.width = xrandr_crtc->width;
crtc->rect.height = xrandr_crtc->height;
crtc->is_dirty = FALSE;
crtc->transform =
meta_monitor_transform_from_xrandr (xrandr_crtc->rotation);
crtc->all_transforms =
meta_monitor_transform_from_xrandr_all (xrandr_crtc->rotations);
for (j = 0; j < (unsigned)resources->nmode; j++)
{
if (resources->modes[j].id == xrandr_crtc->mode)
{
crtc->current_mode = g_list_nth_data (manager->modes, j);
break;
}
}
crtc_id = resources->crtcs[i];
xrandr_crtc = XRRGetCrtcInfo (manager_xrandr->xdisplay,
resources, crtc_id);
crtc = meta_create_xrandr_crtc (manager, xrandr_crtc, crtc_id, resources);
XRRFreeCrtcInfo (xrandr_crtc);
manager->crtcs = g_list_append (manager->crtcs, crtc);
......@@ -432,8 +345,9 @@ meta_monitor_transform_to_xrandr (MetaMonitorTransform transform)
static gboolean
xrandr_set_crtc_config (MetaMonitorManagerXrandr *manager_xrandr,
MetaCrtc *crtc,
gboolean save_timestamp,
xcb_randr_crtc_t crtc,
xcb_randr_crtc_t xrandr_crtc,
xcb_timestamp_t timestamp,
int x,
int y,
......@@ -442,37 +356,16 @@ xrandr_set_crtc_config (MetaMonitorManagerXrandr *manager_xrandr,
xcb_randr_output_t *outputs,
int n_outputs)
{
xcb_connection_t *xcb_conn;
xcb_timestamp_t config_timestamp;
xcb_randr_set_crtc_config_cookie_t cookie;
xcb_randr_set_crtc_config_reply_t *reply;
xcb_generic_error_t *xcb_error = NULL;
xcb_conn = XGetXCBConnection (manager_xrandr->xdisplay);
config_timestamp = manager_xrandr->resources->configTimestamp;
cookie = xcb_randr_set_crtc_config (xcb_conn,
crtc,
timestamp,
config_timestamp,
x, y,
mode,
rotation,
n_outputs,
outputs);
reply = xcb_randr_set_crtc_config_reply (xcb_conn,
cookie,
&xcb_error);
if (xcb_error || !reply)
{
free (xcb_error);
free (reply);
return FALSE;
}
xcb_timestamp_t new_timestamp;
if (save_timestamp)
manager_xrandr->last_xrandr_set_timestamp = reply->timestamp;
if (!meta_crtc_xrandr_set_config (crtc, xrandr_crtc, timestamp,
x, y, mode, rotation,
outputs, n_outputs,
&new_timestamp))
return FALSE;
free (reply);
if (save_timestamp)
manager_xrandr->last_xrandr_set_timestamp = new_timestamp;
return TRUE;
}
......@@ -654,6 +547,7 @@ apply_crtc_assignments (MetaMonitorManager *manager,
crtc->rect.y + crtc->rect.height > height)
{
xrandr_set_crtc_config (manager_xrandr,
crtc,
save_timestamp,
(xcb_randr_crtc_t) crtc->crtc_id,
XCB_CURRENT_TIME,
......@@ -683,6 +577,7 @@ apply_crtc_assignments (MetaMonitorManager *manager,
continue;
xrandr_set_crtc_config (manager_xrandr,
crtc,
save_timestamp,
(xcb_randr_crtc_t) crtc->crtc_id,
XCB_CURRENT_TIME,
......@@ -740,6 +635,7 @@ apply_crtc_assignments (MetaMonitorManager *manager,
rotation = meta_monitor_transform_to_xrandr (crtc_info->transform);
if (!xrandr_set_crtc_config (manager_xrandr,
crtc,
save_timestamp,
(xcb_randr_crtc_t) crtc->crtc_id,
XCB_CURRENT_TIME,
......
......@@ -23,6 +23,8 @@
#ifndef META_MONITOR_MANAGER_XRANDR_H
#define META_MONITOR_MANAGER_XRANDR_H
#include <X11/extensions/Xrandr.h>
#include "meta-monitor-manager-private.h"
#define META_TYPE_MONITOR_MANAGER_XRANDR (meta_monitor_manager_xrandr_get_type ())
......@@ -31,6 +33,8 @@ G_DECLARE_FINAL_TYPE (MetaMonitorManagerXrandr, meta_monitor_manager_xrandr,
Display * meta_monitor_manager_xrandr_get_xdisplay (MetaMonitorManagerXrandr *manager_xrandr);
XRRScreenResources * meta_monitor_manager_xrandr_get_resources (MetaMonitorManagerXrandr *manager_xrandr);
gboolean meta_monitor_manager_xrandr_has_randr15 (MetaMonitorManagerXrandr *manager_xrandr);
gboolean meta_monitor_manager_xrandr_handle_xevent (MetaMonitorManagerXrandr *manager,
......
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