void CreateContext(GraphicsMode mode, CarbonWindow wind, bool fullscreen)
{
int[] attribs = GetAttribs(mode, fullscreen);
IntPtr pixelFormat;
// Choose a pixel format with the attributes we specified.
if (fullscreen)
{
IntPtr gdevice;
IntPtr display = CG.CGMainDisplayID();
OSStatus status = API.DMGetGDeviceByDisplayID(display, out gdevice, false);
if (status != OSStatus.NoError)
{
throw new MacOSException(status, "DMGetGDeviceByDisplayID failed.");
}
pixelFormat = Agl.aglChoosePixelFormat(ref gdevice, 1, attribs);
int err = Agl.aglGetError();
if (err == Agl.AGL_BAD_PIXEL_FORMAT)
{
Debug.Print("Failed to create full screen pixel format.");
Debug.Print("Trying again to create a non-fullscreen pixel format.");
CreateContext(mode, wind, false);
return;
}
}
else
{
pixelFormat = Agl.aglChoosePixelFormat(IntPtr.Zero, 0, attribs);
Agl.CheckReturnValue(0, "aglChoosePixelFormat");
}
Debug.Print("Creating AGL context.");
// create the context and share it with the share reference.
ContextHandle = Agl.aglCreateContext(pixelFormat, IntPtr.Zero);
Agl.CheckReturnValue(0, "aglCreateContext");
// Free the pixel format from memory.
Agl.aglDestroyPixelFormat(pixelFormat);
Agl.CheckReturnValue(0, "aglDestroyPixelFormat");
SetDrawable(wind);
Update(wind);
MakeCurrent(wind);
Debug.Print("context: {0}", ContextHandle);
}
void CreateContext(GraphicsMode mode, CarbonWindowInfo carbonWindow, bool fullscreen)
{
List <int> attribs = new List <int>();
attribs.Add((int)Agl.PixelFormatAttribute.AGL_RGBA);
attribs.Add((int)Agl.PixelFormatAttribute.AGL_DOUBLEBUFFER);
AddPixelAttrib(attribs, Agl.PixelFormatAttribute.AGL_RED_SIZE, mode.ColorFormat.Red);
AddPixelAttrib(attribs, Agl.PixelFormatAttribute.AGL_GREEN_SIZE, mode.ColorFormat.Green);
AddPixelAttrib(attribs, Agl.PixelFormatAttribute.AGL_BLUE_SIZE, mode.ColorFormat.Blue);
AddPixelAttrib(attribs, Agl.PixelFormatAttribute.AGL_ALPHA_SIZE, mode.ColorFormat.Alpha);
if (mode.Depth > 0)
{
AddPixelAttrib(attribs, Agl.PixelFormatAttribute.AGL_DEPTH_SIZE, mode.Depth);
}
if (mode.Stencil > 0)
{
AddPixelAttrib(attribs, Agl.PixelFormatAttribute.AGL_STENCIL_SIZE, mode.Stencil);
}
if (fullscreen)
{
attribs.Add((int)Agl.PixelFormatAttribute.AGL_FULLSCREEN);
}
attribs.Add((int)Agl.PixelFormatAttribute.AGL_NONE);
Debug.Print("AGL Attribute array: ");
for (int i = 0; i < attribs.Count; i++)
{
Debug.Print(attribs[i].ToString() + " ");
}
Debug.Print("");
AGLPixelFormat aglPixelFormat;
// Choose a pixel format with the attributes we specified.
if (fullscreen)
{
IntPtr gdevice;
IntPtr cgdevice = GetQuartzDevice(carbonWindow);
if (cgdevice == IntPtr.Zero)
{
cgdevice = QuartzDisplayDevice.MainDisplay;
}
OSStatus status = API.DMGetGDeviceByDisplayID(cgdevice, out gdevice, false);
if (status != OSStatus.NoError)
{
throw new MacOSException(status, "DMGetGDeviceByDisplayID failed.");
}
aglPixelFormat = Agl.aglChoosePixelFormat(ref gdevice, 1, attribs.ToArray());
Agl.AglError err = Agl.aglGetError();
if (err == Agl.AglError.BadPixelFormat)
{
Debug.Print("Failed to create full screen pixel format.");
Debug.Print("Trying again to create a non-fullscreen pixel format.");
CreateContext(mode, carbonWindow, false);
return;
}
}
else
{
aglPixelFormat = Agl.aglChoosePixelFormat(IntPtr.Zero, 0, attribs.ToArray());
Agl.CheckReturnValue(0, "aglChoosePixelFormat");
}
Debug.Print("Creating AGL context.");
// create the context and share it with the share reference.
ContextHandle = Agl.aglCreateContext(aglPixelFormat, IntPtr.Zero);
Agl.CheckReturnValue(0, "aglCreateContext");
// Free the pixel format from memory.
Agl.aglDestroyPixelFormat(aglPixelFormat);
Agl.CheckReturnValue(0, "aglDestroyPixelFormat");
SetDrawable(carbonWindow);
Update(carbonWindow);
MakeCurrent(carbonWindow);
Debug.Print("context: {0}", ContextHandle);
}
