92 lines
2.8 KiB
C#
92 lines
2.8 KiB
C#
#region Copyright & License Information
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/*
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* Copyright 2007-2011 The OpenRA Developers (see AUTHORS)
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* This file is part of OpenRA, which is free software. It is made
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* available to you under the terms of the GNU General Public License
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* as published by the Free Software Foundation. For more information,
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* see COPYING.
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*/
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#endregion
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using System;
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using System.Drawing;
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using System.IO;
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using System.Linq;
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using System.Runtime.InteropServices;
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using Tao.OpenGl;
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using Tao.Sdl;
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using OpenRA.FileFormats.Graphics;
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namespace OpenRA.Renderer.SdlCommon
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{
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public static class SdlGraphics
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{
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public static IntPtr InitializeSdlGl( ref Size size, WindowMode window, string[] requiredExtensions )
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{
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Sdl.SDL_Init( Sdl.SDL_INIT_NOPARACHUTE | Sdl.SDL_INIT_VIDEO );
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Sdl.SDL_GL_SetAttribute( Sdl.SDL_GL_DOUBLEBUFFER, 1 );
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Sdl.SDL_GL_SetAttribute( Sdl.SDL_GL_RED_SIZE, 8 );
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Sdl.SDL_GL_SetAttribute( Sdl.SDL_GL_GREEN_SIZE, 8 );
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Sdl.SDL_GL_SetAttribute( Sdl.SDL_GL_BLUE_SIZE, 8 );
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Sdl.SDL_GL_SetAttribute( Sdl.SDL_GL_ALPHA_SIZE, 0 );
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int windowFlags = 0;
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switch( window )
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{
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case WindowMode.Fullscreen:
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windowFlags |= Sdl.SDL_FULLSCREEN;
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break;
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case WindowMode.PseudoFullscreen:
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windowFlags |= Sdl.SDL_NOFRAME;
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Environment.SetEnvironmentVariable( "SDL_VIDEO_WINDOW_POS", "0,0" );
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break;
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case WindowMode.Windowed:
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Environment.SetEnvironmentVariable( "SDL_VIDEO_CENTERED", "1" );
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break;
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default:
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break;
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}
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var info = (Sdl.SDL_VideoInfo) Marshal.PtrToStructure(
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Sdl.SDL_GetVideoInfo(), typeof(Sdl.SDL_VideoInfo));
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Console.WriteLine("Desktop resolution: {0}x{1}",
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info.current_w, info.current_h);
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if (size.Width == 0 && size.Height == 0)
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{
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Console.WriteLine("No custom resolution provided, using desktop resolution");
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size = new Size( info.current_w, info.current_h );
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}
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Console.WriteLine("Using resolution: {0}x{1}", size.Width, size.Height);
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var surf = Sdl.SDL_SetVideoMode( size.Width, size.Height, 0, Sdl.SDL_OPENGL | windowFlags );
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if (surf == IntPtr.Zero)
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Console.WriteLine("Failed to set video mode.");
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Sdl.SDL_WM_SetCaption( "OpenRA", "OpenRA" );
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Sdl.SDL_ShowCursor( 0 );
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Sdl.SDL_EnableUNICODE( 1 );
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Sdl.SDL_EnableKeyRepeat( Sdl.SDL_DEFAULT_REPEAT_DELAY, Sdl.SDL_DEFAULT_REPEAT_INTERVAL );
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ErrorHandler.CheckGlError();
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var extensions = Gl.glGetString(Gl.GL_EXTENSIONS);
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if (extensions == null)
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Console.WriteLine("Failed to fetch GL_EXTENSIONS, this is bad.");
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var missingExtensions = requiredExtensions.Where( r => !extensions.Contains(r) ).ToArray();
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if (missingExtensions.Any())
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{
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ErrorHandler.WriteGraphicsLog("Unsupported GPU: Missing extensions: {0}"
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.F(string.Join(",", missingExtensions)));
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throw new InvalidProgramException("Unsupported GPU. See graphics.log for details.");
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}
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return surf;
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}
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}
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}
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