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/* -*- 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 <X11/Xlib-xcb.h>
#include <stdlib.h>
#include <xcb/randr.h>
#include "backends/meta-crtc.h"
#include "backends/x11/meta-crtc-xrandr.h"
#include "backends/x11/meta-gpu-xrandr.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)
{
MetaGpu *gpu = meta_crtc_get_gpu (crtc);
MetaGpuXrandr *gpu_xrandr = META_GPU_XRANDR (gpu);
MetaMonitorManager *monitor_manager = meta_gpu_get_monitor_manager (gpu);
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_gpu_xrandr_get_resources (gpu_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 (MetaGpuXrandr *gpu_xrandr,
XRRCrtcInfo *xrandr_crtc,
RRCrtc crtc_id,
XRRScreenResources *resources)
{
MetaCrtc *crtc;
unsigned int i;
GList *modes;
crtc = g_object_new (META_TYPE_CRTC, NULL);
crtc->gpu = META_GPU (gpu_xrandr);
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);
modes = meta_gpu_get_modes (crtc->gpu);
for (i = 0; i < (unsigned int) resources->nmode; i++)
{
if (resources->modes[i].id == xrandr_crtc->mode)
{
crtc->current_mode = g_list_nth_data (modes, i);
break;
}
}
return crtc;
}
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