android.opengl.GLSurfaceView.EGLConfigChooser Java Examples

@Override
public final EGLConfig chooseConfig(@NonNull final EGL10 egl, final EGLDisplay display) {
    for (final EGLConfigChooser chooser : choosers) {
        try {
            final EGLConfig config = chooser.chooseConfig(egl, display);
            if (config == null) {
                throw new IllegalArgumentException("Returned config is null");
            }
            return config;
        } catch (@NonNull final RuntimeException e) {
            if (log) {
                Log.w(TAG, "Chooser failed", e);
            }
        }
    }

    throw new NoMatchingConfigsException();
}
 

@NonNull
private static EGLConfigChooser[] makeChoosers(
        final int samples,
        @Nullable final EGLConfigChooserCallback callback
) {
    final int fixedConfigChoosersCount = 3;
    final int dynamicConfigChoosersCount = (int) Math.ceil(Math.log(samples) / Math.log(2));

    final EGLConfigChooser[] choosers = new EGLConfigChooser[
            dynamicConfigChoosersCount + fixedConfigChoosersCount];

    int chooserPosition = 0;
    for (int i = samples; i >= 2; i /= 2) {
        choosers[chooserPosition++] = new MultisamplingConfigChooser(i, callback);
    }
    choosers[chooserPosition++] = new CoverageMultisamplingConfigChooser(samples, callback);
    choosers[chooserPosition++] = new RGB888ConfigChooser(callback);
    choosers[chooserPosition] = new AnyConfigChooser(callback);
    return choosers;
}
 

/**
 * Creates an {@link EGLConfigChooser} for given multisampling value.
 * Will fallback to lower multisampling mode or no multisampling mode at all if unsupported.
 *
 * @param samples  multisampling mode. Must be a positive number and a power of two. May be 0 for
 *                 no multisampling.
 * @param callback the {@link EGLConfigChooserCallback} to notify with the chosen config
 * @return new {@link EGLConfigChooser}  for the given parameters.
 */
@NonNull
public static EGLConfigChooser newFailsafeEGLConfigChooser(
        final int samples,
        @Nullable final EGLConfigChooserCallback callback) {
    if (samples < 0) {
        throw new IllegalArgumentException("samples must not be negative");
    }

    if (samples == 0) {
        return new FailsafeRGB888ConfigChooser(callback);
    } else {
        return new FailsafeMultisamplingConfigChooser(samples, callback);
    }
}
 

CompositeConfigChooser(@NonNull final EGLConfigChooser... choosers) {
    if (choosers == null || choosers.length == 0) {
        throw new IllegalArgumentException("Must pass at least one chooser");
    }
    this.choosers = choosers;
}
 

public static EGLConfigChooser getConfigChooser() {
    if (chooser == null) {
        chooser = new BaseEGLConfigChooser();
    }
    return chooser;
}