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//
// Connector.cs
//
// Author:
// Stefanos Apostolopoulos <stapostol@gmail.com>
// Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
//
// Copyright (c) 2006-2014 Stefanos Apostolopoulos
// Copyright (c) 2013-2017 Jean-Philippe Bruyère
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System;
using System.Runtime.InteropServices;
namespace Linux.DRI
{
#region Enums
public enum ConnectionStatus
{
Connected = 1,
Disconnected = 2,
Unknown = 3
}
public enum ConnectorType
{
Unknown = 0,
VGA=1,
DVII=2,
DVID=3,
DVIA=4,
Composite=5,
SVIDEO=6,
LVDS=7,
Component=8,
PinDIN9 = 9,
DisplayPort=10,
HDMIA=11,
HDMIB=12,
TV=13,
eDP=14,
VIRTUAL=15,
DSI=16,
DPI=17
}
public enum SubPixel
{
Unknown = 1,
HorizontalRgb = 2,
HorizontalBgr = 3,
VerticalRgb = 4,
VerticalBgr = 5,
None = 6
}
#endregion
[StructLayout(LayoutKind.Sequential)]
unsafe internal struct drmConnector
{
public uint connector_id;
public uint encoder_id;
public ConnectorType connector_type;
public uint connector_type_id;
public ConnectionStatus connection;
public uint mmWidth, mmHeight;
public SubPixel subpixel;
public int count_modes;
public ModeInfo* modes;
public int count_props;
public uint *props;
public ulong *prop_values;
public int count_encoders;
public uint *encoders;
}
[StructLayout(LayoutKind.Sequential)]
unsafe public struct ModeInfo
{
public uint clock;
public ushort hdisplay, hsync_start, hsync_end, htotal, hskew;
public ushort vdisplay, vsync_start, vsync_end, vtotal, vscan;
public int vrefresh; // refresh rate * 1000
public uint flags;
public uint type;
public fixed sbyte name[32];
public string Name {
get {
fixed( sbyte* bytes = name)
return new string (bytes);
}
}
public override string ToString ()
{
return string.Format ("{0} {1} {2} {3} {4} {5} {6} {7} {8} {9} {10}",
Name, clock, hdisplay, hsync_start, hsync_end, htotal, hskew,
vdisplay, vsync_start, vsync_end, vtotal, vscan, vrefresh);
}
}
unsafe public class Connector : IDisposable
{
#region pinvoke
[DllImport("libdrm", EntryPoint = "drmModeGetConnector", CallingConvention = CallingConvention.Cdecl)]
internal static extern drmConnector* ModeGetConnector(int fd, uint connector_id);
[DllImport("libdrm", EntryPoint = "drmModeFreeConnector", CallingConvention = CallingConvention.Cdecl)]
internal static extern void ModeFreeConnector(drmConnector* ptr);
#endregion
int fd_gpu;
internal drmConnector* handle;
#region ctor
public Connector (int _fd_gpu, uint _id)
{
fd_gpu = _fd_gpu;
handle = ModeGetConnector (fd_gpu, _id);
if (handle == null)
throw new NotSupportedException("[DRI] drmModeGetConnector failed.");
}
#endregion
public uint Id { get { return handle->connector_id; }}
public ConnectionStatus State { get { return handle->connection; }}
public ConnectorType Type { get { return handle->connector_type; }}
public SubPixel SubPixel { get { return handle->subpixel; }}
public Encoder CurrentEncoder {
get {
return handle->encoder_id == 0 ? null : new Encoder (fd_gpu, handle->encoder_id);
}
}
public ModeInfo[] Modes {
get {
ModeInfo[] tmp = new ModeInfo[handle->count_modes];
for (int i = 0; i < handle->count_modes; i++) {
ModeInfo m = *(handle->modes + i);
tmp [i] = m;
}
return tmp;
}
}
#region IDisposable implementation
~Connector(){
Dispose (false);
}
public void Dispose ()
{
Dispose (true);
GC.SuppressFinalize (this);
}
protected virtual void Dispose (bool disposing){
unsafe {
if (handle != null)
ModeFreeConnector (handle);
handle = null;
}
}
#endregion
public override string ToString ()
{
return string.Format ("Connector: Id={0}, State={1}, Type={2}, SubPixel={3}", Id, State, Type, SubPixel);
}
}
}
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