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Implemented Sdl2GraphicsMode..

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This commit is contained in:
Stefanos A. 2013-10-24 09:32:17 +02:00
parent 8107abeb01
commit be6c583f4f
3 changed files with 76 additions and 2 deletions
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4
Source/OpenTK/Platform/SDL2/Sdl2.cs
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@ -290,6 +290,10 @@ namespace OpenTK.Platform.SDL2
[DllImport(lib, CallingConvention = CallingConvention.Cdecl, EntryPoint = "SDL_GL_DeleteContext", ExactSpelling = true)] [DllImport(lib, CallingConvention = CallingConvention.Cdecl, EntryPoint = "SDL_GL_DeleteContext", ExactSpelling = true)]
public static extern void DeleteContext(IntPtr context); public static extern void DeleteContext(IntPtr context);
[SuppressUnmanagedCodeSecurity]
[DllImport(lib, CallingConvention = CallingConvention.Cdecl, EntryPoint = "SDL_GL_GetAttribute", ExactSpelling = true)]
public static extern int GetAttribute(ContextAttribute attr, out int value);
[SuppressUnmanagedCodeSecurity] [SuppressUnmanagedCodeSecurity]
[DllImport(lib, CallingConvention = CallingConvention.Cdecl, EntryPoint = "SDL_GL_GetDrawableSize", ExactSpelling = true)] [DllImport(lib, CallingConvention = CallingConvention.Cdecl, EntryPoint = "SDL_GL_GetDrawableSize", ExactSpelling = true)]
public static extern void GetDrawableSize(IntPtr window, out int w, out int h); public static extern void GetDrawableSize(IntPtr window, out int w, out int h);

72
Source/OpenTK/Platform/SDL2/Sdl2GraphicsContext.cs
View file

@ -65,6 +65,9 @@ namespace OpenTK.Platform.SDL2
{ {
SetGLAttributes(mode, shareContext, major, minor, flags); SetGLAttributes(mode, shareContext, major, minor, flags);
SdlContext = new ContextHandle(SDL.GL.CreateContext(Window.Handle)); SdlContext = new ContextHandle(SDL.GL.CreateContext(Window.Handle));
Mode = GetGLAttributes(SdlContext, out flags);
Debug.Print("SDL2 created GraphicsContext (mode: {0}) (flags: {1}",
Mode, flags);
} }
if (SdlContext == ContextHandle.Zero) if (SdlContext == ContextHandle.Zero)
{ {
@ -77,7 +80,74 @@ namespace OpenTK.Platform.SDL2
#region Private Members #region Private Members
void SetGLAttributes(GraphicsMode mode, static GraphicsMode GetGLAttributes(ContextHandle sdlContext, out GraphicsContextFlags context_flags)
{
context_flags = 0;
int accum_red, accum_green, accum_blue, accum_alpha;
SDL.GL.GetAttribute(ContextAttribute.ACCUM_RED_SIZE, out accum_red);
SDL.GL.GetAttribute(ContextAttribute.ACCUM_GREEN_SIZE, out accum_green);
SDL.GL.GetAttribute(ContextAttribute.ACCUM_BLUE_SIZE, out accum_blue);
SDL.GL.GetAttribute(ContextAttribute.ACCUM_ALPHA_SIZE, out accum_alpha);
int buffers;
SDL.GL.GetAttribute(ContextAttribute.DOUBLEBUFFER, out buffers);
int red, green, blue, alpha;
SDL.GL.GetAttribute(ContextAttribute.RED_SIZE, out red);
SDL.GL.GetAttribute(ContextAttribute.GREEN_SIZE, out green);
SDL.GL.GetAttribute(ContextAttribute.BLUE_SIZE, out blue);
SDL.GL.GetAttribute(ContextAttribute.ALPHA_SIZE, out alpha);
int depth, stencil;
SDL.GL.GetAttribute(ContextAttribute.DEPTH_SIZE, out depth);
SDL.GL.GetAttribute(ContextAttribute.STENCIL_SIZE, out stencil);
int samples;
SDL.GL.GetAttribute(ContextAttribute.MULTISAMPLESAMPLES, out samples);
int stereo;
SDL.GL.GetAttribute(ContextAttribute.STEREO, out stereo);
int major, minor;
SDL.GL.GetAttribute(ContextAttribute.CONTEXT_MAJOR_VERSION, out major);
SDL.GL.GetAttribute(ContextAttribute.CONTEXT_MINOR_VERSION, out minor);
int flags;
SDL.GL.GetAttribute(ContextAttribute.CONTEXT_FLAGS, out flags);
int egl;
SDL.GL.GetAttribute(ContextAttribute.CONTEXT_EGL, out egl);
int profile;
SDL.GL.GetAttribute(ContextAttribute.CONTEXT_PROFILE_MASK, out profile);
if (egl != 0)
{
context_flags |= GraphicsContextFlags.Embedded;
}
if ((flags & (int)ContextFlags.DEBUG) != 0)
{
context_flags |= GraphicsContextFlags.Debug;
}
if ((profile & (int)ContextProfileFlags.CORE) != 0)
{
context_flags |= GraphicsContextFlags.ForwardCompatible;
}
return new GraphicsMode(
new ColorFormat(red, green, blue, alpha),
depth,
stencil,
samples,
new ColorFormat(accum_red, accum_green, accum_blue, accum_alpha),
buffers,
stereo != 0 ? true : false);
}
static void SetGLAttributes(GraphicsMode mode,
IGraphicsContext shareContext, IGraphicsContext shareContext,
int major, int minor, int major, int minor,
GraphicsContextFlags flags) GraphicsContextFlags flags)

2
Source/OpenTK/Platform/SDL2/Sdl2GraphicsMode.cs
View file

@ -40,7 +40,7 @@ namespace OpenTK.Platform.SDL2
public GraphicsMode SelectGraphicsMode(ColorFormat color, int depth, int stencil, int samples, ColorFormat accum, int buffers, bool stereo) public GraphicsMode SelectGraphicsMode(ColorFormat color, int depth, int stencil, int samples, ColorFormat accum, int buffers, bool stereo)
{ {
return new GraphicsMode(new IntPtr(1), new ColorFormat(32), 24, 8, 0, ColorFormat.Empty, 2, false); return new GraphicsMode(IntPtr.Zero, color, depth, stencil, samples, accum, buffers, stereo);
} }
#endregion #endregion