|
private GetConfig ( |
||
| dpy | ||
| vis | ||
| attrib | GLXAttribute | |
| value | int | |
| 리턴 | int | |
private static GraphicsMode CreateGraphicsMode(IntPtr display, ref XVisualInfo info)
{
// See what we *really* got:
int r, g, b, a;
Glx.GetConfig(display, ref info, GLXAttribute.ALPHA_SIZE, out a);
Glx.GetConfig(display, ref info, GLXAttribute.RED_SIZE, out r);
Glx.GetConfig(display, ref info, GLXAttribute.GREEN_SIZE, out g);
Glx.GetConfig(display, ref info, GLXAttribute.BLUE_SIZE, out b);
int ar, ag, ab, aa;
Glx.GetConfig(display, ref info, GLXAttribute.ACCUM_ALPHA_SIZE, out aa);
Glx.GetConfig(display, ref info, GLXAttribute.ACCUM_RED_SIZE, out ar);
Glx.GetConfig(display, ref info, GLXAttribute.ACCUM_GREEN_SIZE, out ag);
Glx.GetConfig(display, ref info, GLXAttribute.ACCUM_BLUE_SIZE, out ab);
int depth, stencil, samples, buffers;
Glx.GetConfig(display, ref info, GLXAttribute.DEPTH_SIZE, out depth);
Glx.GetConfig(display, ref info, GLXAttribute.STENCIL_SIZE, out stencil);
Glx.GetConfig(display, ref info, GLXAttribute.SAMPLES, out samples);
Glx.GetConfig(display, ref info, GLXAttribute.DOUBLEBUFFER, out buffers);
int st;
Glx.GetConfig(display, ref info, GLXAttribute.STEREO, out st);
// Note: Glx.GetConfig return buffers = 0 (false) or 1 (true).
// OpenTK expects buffers = 1 (single-) or 2 (double-buffering),
// so increase the GLX value by one.
return(new GraphicsMode(info.VisualID, new ColorFormat(r, g, b, a), depth, stencil, samples,
new ColorFormat(ar, ag, ab, aa), buffers + 1, st != 0));
}
public GraphicsMode SelectGraphicsMode(ColorFormat color, int depth, int stencil, int samples, ColorFormat accum,
int buffers, bool stereo)
{
GraphicsMode gfx;
// The actual GraphicsMode that will be selected.
IntPtr visual = IntPtr.Zero;
IntPtr display = API.DefaultDisplay;
// Try to select a visual using Glx.ChooseFBConfig and Glx.GetVisualFromFBConfig.
// This is only supported on GLX 1.3 - if it fails, fall back to Glx.ChooseVisual.
visual = SelectVisualUsingFBConfig(color, depth, stencil, samples, accum, buffers, stereo);
if (visual == IntPtr.Zero)
{
visual = SelectVisualUsingChooseVisual(color, depth, stencil, samples, accum, buffers, stereo);
}
if (visual == IntPtr.Zero)
{
throw new GraphicsContextException("Requested GraphicsMode not available.");
}
XVisualInfo info = (XVisualInfo)Marshal.PtrToStructure(visual, typeof(XVisualInfo));
// See what we *really* got:
int r, g, b, a;
Glx.GetConfig(display, ref info, GLXAttribute.ALPHA_SIZE, out a);
Glx.GetConfig(display, ref info, GLXAttribute.RED_SIZE, out r);
Glx.GetConfig(display, ref info, GLXAttribute.GREEN_SIZE, out g);
Glx.GetConfig(display, ref info, GLXAttribute.BLUE_SIZE, out b);
int ar, ag, ab, aa;
Glx.GetConfig(display, ref info, GLXAttribute.ACCUM_ALPHA_SIZE, out aa);
Glx.GetConfig(display, ref info, GLXAttribute.ACCUM_RED_SIZE, out ar);
Glx.GetConfig(display, ref info, GLXAttribute.ACCUM_GREEN_SIZE, out ag);
Glx.GetConfig(display, ref info, GLXAttribute.ACCUM_BLUE_SIZE, out ab);
Glx.GetConfig(display, ref info, GLXAttribute.DEPTH_SIZE, out depth);
Glx.GetConfig(display, ref info, GLXAttribute.STENCIL_SIZE, out stencil);
Glx.GetConfig(display, ref info, GLXAttribute.SAMPLES, out samples);
Glx.GetConfig(display, ref info, GLXAttribute.DOUBLEBUFFER, out buffers);
++buffers;
// the above lines returns 0 - false and 1 - true.
int st;
Glx.GetConfig(display, ref info, GLXAttribute.STEREO, out st);
stereo = st != 0;
gfx = new GraphicsMode(info.VisualID, new ColorFormat(r, g, b, a), depth, stencil, samples,
new ColorFormat(ar, ag, ab, aa), buffers, stereo);
using (new XLock(display))
{
Functions.XFree(visual);
}
return(gfx);
}
public GraphicsMode SelectGraphicsMode(ColorFormat color, int depth, int stencil, int samples, ColorFormat accum, int buffers, bool stereo)
{
IntPtr num1 = IntPtr.Zero;
IntPtr defaultDisplay = API.DefaultDisplay;
IntPtr num2 = this.SelectVisualUsingFBConfig(color, depth, stencil, samples, accum, buffers, stereo);
if (num2 == IntPtr.Zero)
{
num2 = this.SelectVisualUsingChooseVisual(color, depth, stencil, samples, accum, buffers, stereo);
}
if (num2 == IntPtr.Zero)
{
throw new GraphicsModeException("Requested GraphicsMode not available.");
}
XVisualInfo vis = (XVisualInfo)Marshal.PtrToStructure(num2, typeof(XVisualInfo));
int alpha1;
Glx.GetConfig(defaultDisplay, ref vis, GLXAttribute.ALPHA_SIZE, out alpha1);
int red1;
Glx.GetConfig(defaultDisplay, ref vis, GLXAttribute.RED_SIZE, out red1);
int green1;
Glx.GetConfig(defaultDisplay, ref vis, GLXAttribute.GREEN_SIZE, out green1);
int blue1;
Glx.GetConfig(defaultDisplay, ref vis, GLXAttribute.BLUE_SIZE, out blue1);
int alpha2;
Glx.GetConfig(defaultDisplay, ref vis, GLXAttribute.ACCUM_ALPHA_SIZE, out alpha2);
int red2;
Glx.GetConfig(defaultDisplay, ref vis, GLXAttribute.ACCUM_RED_SIZE, out red2);
int green2;
Glx.GetConfig(defaultDisplay, ref vis, GLXAttribute.ACCUM_GREEN_SIZE, out green2);
int blue2;
Glx.GetConfig(defaultDisplay, ref vis, GLXAttribute.ACCUM_BLUE_SIZE, out blue2);
Glx.GetConfig(defaultDisplay, ref vis, GLXAttribute.DEPTH_SIZE, out depth);
Glx.GetConfig(defaultDisplay, ref vis, GLXAttribute.STENCIL_SIZE, out stencil);
Glx.GetConfig(defaultDisplay, ref vis, GLXAttribute.SAMPLES, out samples);
Glx.GetConfig(defaultDisplay, ref vis, GLXAttribute.DOUBLEBUFFER, out buffers);
++buffers;
int num3;
Glx.GetConfig(defaultDisplay, ref vis, GLXAttribute.STEREO, out num3);
stereo = num3 != 0;
GraphicsMode graphicsMode = new GraphicsMode(new IntPtr?(vis.VisualID), new ColorFormat(red1, green1, blue1, alpha1), depth, stencil, samples, new ColorFormat(red2, green2, blue2, alpha2), buffers, stereo);
using (new XLock(defaultDisplay))
Functions.XFree(num2);
return(graphicsMode);
}
