remove duplicated GL setup code

This commit is contained in:
Chris Forbes
2011-07-12 22:18:11 +12:00
parent 2fcb11d7cc
commit a95b59081f
4 changed files with 101 additions and 125 deletions

View File

@@ -42,72 +42,17 @@ namespace OpenRA.Renderer.Glsl
public GraphicsDevice( Size size, WindowMode window )
{
Console.WriteLine("Using Gl renderer");
Sdl.SDL_Init( Sdl.SDL_INIT_NOPARACHUTE | Sdl.SDL_INIT_VIDEO );
Sdl.SDL_GL_SetAttribute( Sdl.SDL_GL_DOUBLEBUFFER, 1 );
Sdl.SDL_GL_SetAttribute( Sdl.SDL_GL_RED_SIZE, 8 );
Sdl.SDL_GL_SetAttribute( Sdl.SDL_GL_GREEN_SIZE, 8 );
Sdl.SDL_GL_SetAttribute( Sdl.SDL_GL_BLUE_SIZE, 8 );
Sdl.SDL_GL_SetAttribute( Sdl.SDL_GL_ALPHA_SIZE, 0 );
int windowFlags = 0;
switch( window )
{
case WindowMode.Fullscreen:
windowFlags |= Sdl.SDL_FULLSCREEN;
break;
case WindowMode.PseudoFullscreen:
windowFlags |= Sdl.SDL_NOFRAME;
Environment.SetEnvironmentVariable( "SDL_VIDEO_WINDOW_POS", "0,0" );
break;
default:
break;
}
var info = (Sdl.SDL_VideoInfo) Marshal.PtrToStructure(
Sdl.SDL_GetVideoInfo(), typeof(Sdl.SDL_VideoInfo));
Console.WriteLine("Desktop resolution: {0}x{1}",
info.current_w, info.current_h);
if (size.Width == 0 && size.Height == 0)
{
Console.WriteLine("No custom resolution provided, using desktop resolution");
size = new Size( info.current_w, info.current_h );
}
Console.WriteLine("Using resolution: {0}x{1}", size.Width, size.Height);
surf = Sdl.SDL_SetVideoMode( size.Width, size.Height, 0, Sdl.SDL_OPENGL | windowFlags );
Sdl.SDL_WM_SetCaption( "OpenRA", "OpenRA" );
Sdl.SDL_ShowCursor( 0 );
Sdl.SDL_EnableUNICODE( 1 );
Sdl.SDL_EnableKeyRepeat( Sdl.SDL_DEFAULT_REPEAT_DELAY, Sdl.SDL_DEFAULT_REPEAT_INTERVAL );
ErrorHandler.CheckGlError();
windowSize = size;
// Test for required extensions
var required = new string[]
var extensions = new string[]
{
"GL_ARB_vertex_shader",
"GL_ARB_fragment_shader",
"GL_ARB_vertex_buffer_object",
};
var extensions = Gl.glGetString(Gl.GL_EXTENSIONS);
if (extensions == null)
Console.WriteLine("Failed to fetch GL_EXTENSIONS, this is bad.");
var missingExtensions = required.Where( r => !extensions.Contains(r) ).ToArray();
if (missingExtensions.Any())
{
ErrorHandler.WriteGraphicsLog("Unsupported GPU: Missing extensions: {0}"
.F(string.Join(",", missingExtensions)));
throw new InvalidProgramException("Unsupported GPU. See graphics.log for details.");
}
windowSize = size;
surf = SdlGraphics.InitializeSdlGl( ref windowSize, window, extensions );
Gl.glEnableClientState( Gl.GL_VERTEX_ARRAY );
ErrorHandler.CheckGlError();
Gl.glEnableClientState( Gl.GL_TEXTURE_COORD_ARRAY );