Opentk/Source/OpenTK/Platform/SDL2/Sdl2DisplayDeviceDriver.cs
2013-12-15 16:36:37 +01:00

110 lines
3.7 KiB
C#

#region License
//
// The Open Toolkit Library License
//
// Copyright (c) 2006 - 2013 Stefanos Apostolopoulos for the Open Toolkit library.
//
// 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.
//
#endregion
using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.Drawing;
namespace OpenTK.Platform.SDL2
{
class Sdl2DisplayDeviceDriver : DisplayDeviceBase
{
public Sdl2DisplayDeviceDriver()
{
int displays = SDL.GetNumVideoDisplays();
for (int d = 0; d < displays; d++)
{
Rect bounds;
SDL.GetDisplayBounds(d, out bounds);
DisplayMode current_mode;
SDL.GetCurrentDisplayMode(d, out current_mode);
var mode_list = new List<DisplayResolution>();
int num_modes = SDL.GetNumDisplayModes(d);
for (int m = 0; m < num_modes; m++)
{
DisplayMode sdl_mode;
SDL.GetDisplayMode(d, m, out sdl_mode);
mode_list.Add(new DisplayResolution(
bounds.X, bounds.Y,
sdl_mode.Width, sdl_mode.Height,
TranslateFormat(sdl_mode.Format),
sdl_mode.RefreshRate));
}
var current_resolution = new DisplayResolution(
bounds.X, bounds.Y,
current_mode.Width, current_mode.Height,
TranslateFormat(current_mode.Format),
current_mode.RefreshRate);
var device = new DisplayDevice(
current_resolution, d == 0, mode_list, TranslateBounds(bounds), d);
AvailableDevices.Add(device);
if (d == 0)
Primary = device;
}
}
#region Private Members
int TranslateFormat(uint format)
{
int bpp;
uint a, r, g, b;
SDL.PixelFormatEnumToMasks(format, out bpp, out r, out g, out b, out a);
return bpp;
}
Rectangle TranslateBounds(Rect rect)
{
return new Rectangle(rect.X, rect.Y, rect.Width, rect.Height);
}
#endregion
#region DisplayDeviceBase Members
public override bool TryChangeResolution(DisplayDevice device, DisplayResolution resolution)
{
Sdl2Factory.UseFullscreenDesktop = false;
return true;
}
public override bool TryRestoreResolution(DisplayDevice device)
{
Sdl2Factory.UseFullscreenDesktop = true;
return true;
}
#endregion
}
}