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b69111d8e6
MetaCrtcInfo and MetaOutputInfo did not represent information about MetaCrtc and MetaOutput, but the result of the monitor configuration assignment algorithm, thus rename it to MetaCrtcAssignment and MetaOutputAssignment. The purpose for this is to be able to introduce a struct that actually carries information about the CRTCs and outputs, as retrieved from the backend implementations. https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1287
309 lines
9.6 KiB
C
309 lines
9.6 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright (C) 2001, 2002 Havoc Pennington
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* Copyright (C) 2001, 2002 Havoc Pennington
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* Copyright (C) 2002, 2003 Red Hat Inc.
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* Some ICCCM manager selection code derived from fvwm2,
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* Copyright (C) 2001 Dominik Vogt, Matthias Clasen, and fvwm2 team
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* Copyright (C) 2003 Rob Adams
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* Copyright (C) 2004-2006 Elijah Newren
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* Copyright (C) 2002, 2003 Red Hat Inc.
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* Some ICCCM manager selection code derived from fvwm2,
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* Copyright (C) 2001 Dominik Vogt, Matthias Clasen, and fvwm2 team
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* Copyright (C) 2003 Rob Adams
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* Copyright (C) 2004-2006 Elijah Newren
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* Copyright (C) 2013-2017 Red Hat Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#include "config.h"
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#include "backends/x11/meta-crtc-xrandr.h"
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#include <X11/Xlib-xcb.h>
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#include <stdlib.h>
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#include <xcb/randr.h>
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#include "backends/meta-backend-private.h"
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#include "backends/meta-crtc.h"
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#include "backends/meta-output.h"
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#include "backends/x11/meta-crtc-xrandr.h"
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#include "backends/x11/meta-gpu-xrandr.h"
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#include "backends/x11/meta-monitor-manager-xrandr.h"
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#define ALL_TRANSFORMS ((1 << (META_MONITOR_TRANSFORM_FLIPPED_270 + 1)) - 1)
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typedef struct _MetaCrtcXrandr
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{
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MetaRectangle rect;
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MetaMonitorTransform transform;
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MetaCrtcMode *current_mode;
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} MetaCrtcXrandr;
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gboolean
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meta_crtc_xrandr_set_config (MetaCrtc *crtc,
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xcb_randr_crtc_t xrandr_crtc,
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xcb_timestamp_t timestamp,
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int x,
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int y,
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xcb_randr_mode_t mode,
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xcb_randr_rotation_t rotation,
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xcb_randr_output_t *outputs,
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int n_outputs,
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xcb_timestamp_t *out_timestamp)
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{
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MetaGpu *gpu = meta_crtc_get_gpu (crtc);
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MetaGpuXrandr *gpu_xrandr = META_GPU_XRANDR (gpu);
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MetaBackend *backend = meta_gpu_get_backend (gpu);
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MetaMonitorManager *monitor_manager =
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meta_backend_get_monitor_manager (backend);
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MetaMonitorManagerXrandr *monitor_manager_xrandr =
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META_MONITOR_MANAGER_XRANDR (monitor_manager);
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Display *xdisplay;
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XRRScreenResources *resources;
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xcb_connection_t *xcb_conn;
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xcb_timestamp_t config_timestamp;
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xcb_randr_set_crtc_config_cookie_t cookie;
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xcb_randr_set_crtc_config_reply_t *reply;
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xcb_generic_error_t *xcb_error = NULL;
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xdisplay = meta_monitor_manager_xrandr_get_xdisplay (monitor_manager_xrandr);
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xcb_conn = XGetXCBConnection (xdisplay);
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resources = meta_gpu_xrandr_get_resources (gpu_xrandr);
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config_timestamp = resources->configTimestamp;
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cookie = xcb_randr_set_crtc_config (xcb_conn,
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xrandr_crtc,
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timestamp,
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config_timestamp,
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x, y,
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mode,
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rotation,
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n_outputs,
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outputs);
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reply = xcb_randr_set_crtc_config_reply (xcb_conn,
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cookie,
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&xcb_error);
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if (xcb_error || !reply)
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{
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free (xcb_error);
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free (reply);
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return FALSE;
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}
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*out_timestamp = reply->timestamp;
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free (reply);
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return TRUE;
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}
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static MetaMonitorTransform
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meta_monitor_transform_from_xrandr (Rotation rotation)
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{
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static const MetaMonitorTransform y_reflected_map[4] = {
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META_MONITOR_TRANSFORM_FLIPPED_180,
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META_MONITOR_TRANSFORM_FLIPPED_90,
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META_MONITOR_TRANSFORM_FLIPPED,
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META_MONITOR_TRANSFORM_FLIPPED_270
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};
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MetaMonitorTransform ret;
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switch (rotation & 0x7F)
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{
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default:
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case RR_Rotate_0:
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ret = META_MONITOR_TRANSFORM_NORMAL;
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break;
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case RR_Rotate_90:
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ret = META_MONITOR_TRANSFORM_90;
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break;
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case RR_Rotate_180:
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ret = META_MONITOR_TRANSFORM_180;
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break;
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case RR_Rotate_270:
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ret = META_MONITOR_TRANSFORM_270;
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break;
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}
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if (rotation & RR_Reflect_X)
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return ret + 4;
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else if (rotation & RR_Reflect_Y)
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return y_reflected_map[ret];
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else
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return ret;
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}
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#define ALL_ROTATIONS (RR_Rotate_0 | RR_Rotate_90 | RR_Rotate_180 | RR_Rotate_270)
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static MetaMonitorTransform
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meta_monitor_transform_from_xrandr_all (Rotation rotation)
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{
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unsigned ret;
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/* Handle the common cases first (none or all) */
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if (rotation == 0 || rotation == RR_Rotate_0)
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return (1 << META_MONITOR_TRANSFORM_NORMAL);
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/* All rotations and one reflection -> all of them by composition */
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if ((rotation & ALL_ROTATIONS) &&
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((rotation & RR_Reflect_X) || (rotation & RR_Reflect_Y)))
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return ALL_TRANSFORMS;
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ret = 1 << META_MONITOR_TRANSFORM_NORMAL;
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if (rotation & RR_Rotate_90)
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ret |= 1 << META_MONITOR_TRANSFORM_90;
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if (rotation & RR_Rotate_180)
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ret |= 1 << META_MONITOR_TRANSFORM_180;
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if (rotation & RR_Rotate_270)
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ret |= 1 << META_MONITOR_TRANSFORM_270;
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if (rotation & (RR_Rotate_0 | RR_Reflect_X))
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ret |= 1 << META_MONITOR_TRANSFORM_FLIPPED;
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if (rotation & (RR_Rotate_90 | RR_Reflect_X))
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ret |= 1 << META_MONITOR_TRANSFORM_FLIPPED_90;
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if (rotation & (RR_Rotate_180 | RR_Reflect_X))
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ret |= 1 << META_MONITOR_TRANSFORM_FLIPPED_180;
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if (rotation & (RR_Rotate_270 | RR_Reflect_X))
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ret |= 1 << META_MONITOR_TRANSFORM_FLIPPED_270;
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return ret;
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}
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gboolean
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meta_crtc_xrandr_is_assignment_changed (MetaCrtc *crtc,
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MetaCrtcAssignment *crtc_assignment)
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{
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MetaCrtcXrandr *crtc_xrandr = crtc->driver_private;
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unsigned int i;
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if (crtc_xrandr->current_mode != crtc_assignment->mode)
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return TRUE;
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if (crtc_xrandr->rect.x != (int) roundf (crtc_assignment->layout.origin.x))
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return TRUE;
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if (crtc_xrandr->rect.y != (int) roundf (crtc_assignment->layout.origin.y))
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return TRUE;
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if (crtc_xrandr->transform != crtc_assignment->transform)
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return TRUE;
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for (i = 0; i < crtc_assignment->outputs->len; i++)
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{
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MetaOutput *output = ((MetaOutput**) crtc_assignment->outputs->pdata)[i];
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MetaCrtc *assigned_crtc;
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assigned_crtc = meta_output_get_assigned_crtc (output);
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if (assigned_crtc != crtc)
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return TRUE;
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}
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return FALSE;
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}
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MetaCrtcMode *
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meta_crtc_xrandr_get_current_mode (MetaCrtc *crtc)
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{
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MetaCrtcXrandr *crtc_xrandr = crtc->driver_private;
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return crtc_xrandr->current_mode;
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}
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static void
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meta_crtc_destroy_notify (MetaCrtc *crtc)
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{
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g_free (crtc->driver_private);
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}
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MetaCrtc *
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meta_create_xrandr_crtc (MetaGpuXrandr *gpu_xrandr,
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XRRCrtcInfo *xrandr_crtc,
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RRCrtc crtc_id,
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XRRScreenResources *resources)
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{
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MetaGpu *gpu = META_GPU (gpu_xrandr);
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MetaBackend *backend = meta_gpu_get_backend (gpu);
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MetaMonitorManager *monitor_manager =
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meta_backend_get_monitor_manager (backend);
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MetaMonitorManagerXrandr *monitor_manager_xrandr =
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META_MONITOR_MANAGER_XRANDR (monitor_manager);
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Display *xdisplay =
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meta_monitor_manager_xrandr_get_xdisplay (monitor_manager_xrandr);
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MetaCrtc *crtc;
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MetaCrtcXrandr *crtc_xrandr;
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XRRPanning *panning;
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unsigned int i;
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GList *modes;
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crtc = g_object_new (META_TYPE_CRTC,
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"id", crtc_id,
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"gpu", gpu,
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NULL);
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crtc_xrandr = g_new0 (MetaCrtcXrandr, 1);
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crtc_xrandr->transform =
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meta_monitor_transform_from_xrandr (xrandr_crtc->rotation);
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crtc->driver_private = crtc_xrandr;
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crtc->driver_notify = (GDestroyNotify) meta_crtc_destroy_notify;
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panning = XRRGetPanning (xdisplay, resources, crtc_id);
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if (panning && panning->width > 0 && panning->height > 0)
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{
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crtc_xrandr->rect = (MetaRectangle) {
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.x = panning->left,
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.y = panning->top,
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.width = panning->width,
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.height = panning->height,
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};
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}
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else
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{
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crtc_xrandr->rect = (MetaRectangle) {
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.x = xrandr_crtc->x,
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.y = xrandr_crtc->y,
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.width = xrandr_crtc->width,
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.height = xrandr_crtc->height,
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};
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}
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crtc->all_transforms =
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meta_monitor_transform_from_xrandr_all (xrandr_crtc->rotations);
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modes = meta_gpu_get_modes (gpu);
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for (i = 0; i < (unsigned int) resources->nmode; i++)
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{
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if (resources->modes[i].id == xrandr_crtc->mode)
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{
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crtc_xrandr->current_mode = g_list_nth_data (modes, i);
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break;
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}
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}
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if (crtc_xrandr->current_mode)
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{
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meta_crtc_set_config (crtc,
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&GRAPHENE_RECT_INIT (crtc_xrandr->rect.x,
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crtc_xrandr->rect.y,
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crtc_xrandr->rect.width,
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crtc_xrandr->rect.height),
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crtc_xrandr->current_mode,
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crtc_xrandr->transform);
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}
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return crtc;
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}
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