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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)]
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]
[DllImport(lib, CallingConvention = CallingConvention.Cdecl, EntryPoint = "SDL_GL_GetDrawableSize", ExactSpelling = true)]
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);
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)
{
@ -77,7 +80,74 @@ namespace OpenTK.Platform.SDL2
#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,
int major, int minor,
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)
{
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