protected static X11GLXGraphicsConfiguration chooseGraphicsConfigurationStatic(
Capabilities capabilities, CapabilitiesChooser chooser, AbstractGraphicsScreen absScreen) {
if (absScreen == null) {
throw new IllegalArgumentException("AbstractGraphicsScreen is null");
}
if (!(absScreen instanceof X11GraphicsScreen)) {
throw new IllegalArgumentException("Only X11GraphicsScreen are allowed here");
}
X11GraphicsScreen x11Screen = (X11GraphicsScreen) absScreen;
if (capabilities != null && !(capabilities instanceof GLCapabilities)) {
throw new IllegalArgumentException(
"This NativeWindowFactory accepts only GLCapabilities objects");
}
if (chooser != null && !(chooser instanceof GLCapabilitiesChooser)) {
throw new IllegalArgumentException(
"This NativeWindowFactory accepts only GLCapabilitiesChooser objects");
}
if (capabilities == null) {
capabilities = new GLCapabilities(null);
}
boolean onscreen = capabilities.isOnscreen();
boolean usePBuffer = ((GLCapabilities) capabilities).isPBuffer();
GLCapabilities caps2 = (GLCapabilities) capabilities.clone();
if (!caps2.isOnscreen()) {
// OFFSCREEN !DOUBLE_BUFFER // FIXME DBLBUFOFFSCRN
caps2.setDoubleBuffered(false);
}
X11GLXGraphicsConfiguration res;
res =
chooseGraphicsConfigurationFBConfig(
(GLCapabilities) caps2, (GLCapabilitiesChooser) chooser, x11Screen);
if (null == res) {
if (usePBuffer) {
throw new GLException(
"Error: Couldn't create X11GLXGraphicsConfiguration based on FBConfig");
}
res =
chooseGraphicsConfigurationXVisual(
(GLCapabilities) caps2, (GLCapabilitiesChooser) chooser, x11Screen);
}
if (null == res) {
throw new GLException("Error: Couldn't create X11GLXGraphicsConfiguration");
}
if (DEBUG) {
System.err.println(
"X11GLXGraphicsConfiguration.chooseGraphicsConfigurationStatic("
+ x11Screen
+ ","
+ caps2
+ "): "
+ res);
}
return res;
}
public static CapabilitiesImmutable fixCaps(
boolean matchFormatPrecise, int format, CapabilitiesImmutable rCaps) {
PixelFormat pf = new PixelFormat();
PixelFormat.getPixelFormatInfo(format, pf);
final CapabilitiesImmutable res;
int r, g, b, a;
switch (format) {
case PixelFormat.RGBA_8888:
r = 8;
g = 8;
b = 8;
a = 8;
break;
case PixelFormat.RGBX_8888:
r = 8;
g = 8;
b = 8;
a = 0;
break;
case PixelFormat.RGB_888:
r = 8;
g = 8;
b = 8;
a = 0;
break;
case PixelFormat.RGB_565:
r = 5;
g = 6;
b = 5;
a = 0;
break;
case PixelFormat.RGBA_5551:
r = 5;
g = 5;
b = 5;
a = 1;
break;
case PixelFormat.RGBA_4444:
r = 4;
g = 4;
b = 4;
a = 4;
break;
case PixelFormat.RGB_332:
r = 3;
g = 3;
b = 2;
a = 0;
break;
default:
throw new InternalError("Unhandled pixelformat: " + format);
}
final boolean change =
matchFormatPrecise
|| rCaps.getRedBits() > r
&& rCaps.getGreenBits() > g
&& rCaps.getBlueBits() > b
&& rCaps.getAlphaBits() > a;
if (change) {
Capabilities nCaps = (Capabilities) rCaps.cloneMutable();
nCaps.setRedBits(r);
nCaps.setGreenBits(g);
nCaps.setBlueBits(b);
nCaps.setAlphaBits(a);
res = nCaps;
} else {
res = rCaps;
}
Log.d(MD.TAG, "fixCaps: format: " + format);
Log.d(MD.TAG, "fixCaps: requested: " + rCaps);
Log.d(MD.TAG, "fixCaps: chosen: " + res);
return res;
}