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//
// Resources.cs
//
// Author:
// Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
//
// 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
{
[StructLayout(LayoutKind.Sequential)]
unsafe internal struct drmResources
{
public int count_fbs;
public uint* fbs;
public int count_crtcs;
public uint* crtcs;
public int count_connectors;
public uint* connectors;
public int count_encoders;
public uint* encoders;
public uint min_width, max_width;
public uint min_height, max_height;
}
unsafe public class Resources: IDisposable
{
#region pinvoke
[DllImport("libdrm", EntryPoint = "drmModeGetResources", CallingConvention = CallingConvention.Cdecl)]
internal static extern drmResources* ModeGetResources(int fd);
[DllImport("libdrm", EntryPoint = "drmModeFreeResources", CallingConvention = CallingConvention.Cdecl)]
internal static extern void ModeFreeResources(drmResources* ptr);
#endregion
int gpu_fd;
drmResources* handle;
#region ctor
public Resources (int fd_gpu)
{
gpu_fd = fd_gpu;
handle = ModeGetResources (fd_gpu);
if (handle == null)
throw new NotSupportedException("[DRI] drmModeGetResources failed.");
}
#endregion
public uint min_width { get { return handle->min_width; }}
public uint max_width { get { return handle->max_width; }}
public uint min_height { get { return handle->min_height; }}
public uint max_height { get { return handle->max_height; }}
public Connector[] Connectors {
get {
Connector[] tmp = new Connector[handle->count_connectors];
for (int i = 0; i < handle->count_connectors; i++)
tmp [i] = new Connector (gpu_fd, *(handle->connectors + i));
return tmp;
}
}
public Encoder[] Encoders {
get {
Encoder[] tmp = new Encoder[handle->count_encoders];
for (int i = 0; i < handle->count_encoders; i++)
tmp [i] = new Encoder (gpu_fd, *(handle->encoders + i));
return tmp;
}
}
public Crtc[] Crtcs {
get {
Crtc[] tmp = new Crtc[handle->count_encoders];
for (int i = 0; i < handle->count_crtcs; i++)
tmp [i] = new Crtc (gpu_fd, *(handle->crtcs + i));
return tmp;
}
}
#region IDisposable implementation
~Resources(){
Dispose (false);
}
public void Dispose ()
{
Dispose (true);
GC.SuppressFinalize (this);
}
protected virtual void Dispose (bool disposing){
if (handle != null)
ModeFreeResources (handle);
handle = null;
}
#endregion
}
}
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