/**
* @param capsRequested
* @param absScreen
* @param eglConfigID {@link EGL#EGL_CONFIG_ID} for which the config is being created for.
* @return
* @throws GLException if invalid EGL display.
*/
public static EGLGraphicsConfiguration create(
GLCapabilitiesImmutable capsRequested, AbstractGraphicsScreen absScreen, int eglConfigID) {
final AbstractGraphicsDevice absDevice = absScreen.getDevice();
if (null == absDevice || !(absDevice instanceof EGLGraphicsDevice)) {
throw new GLException("GraphicsDevice must be a valid EGLGraphicsDevice");
}
final long dpy = absDevice.getHandle();
if (dpy == EGL.EGL_NO_DISPLAY) {
throw new GLException("Invalid EGL display: " + absDevice);
}
final long cfg = EGLConfigId2EGLConfig(dpy, eglConfigID);
if (0 < cfg) {
final GLRendererQuirks defaultQuirks =
GLRendererQuirks.getStickyDeviceQuirks(
GLDrawableFactory.getEGLFactory().getDefaultDevice());
final int winattrmask =
GLGraphicsConfigurationUtil.getExclusiveWinAttributeBits(capsRequested);
final EGLGLCapabilities caps =
EGLConfig2Capabilities(
defaultQuirks,
(EGLGraphicsDevice) absDevice,
capsRequested.getGLProfile(),
cfg,
winattrmask,
false);
return new EGLGraphicsConfiguration(
absScreen, caps, capsRequested, new DefaultGLCapabilitiesChooser());
}
return null;
}
@Test
public void testAvailableInfo() {
GLDrawableFactory f = GLDrawableFactory.getDesktopFactory();
if (null != f) {
System.err.println(
JoglVersion.getDefaultOpenGLInfo(f.getDefaultDevice(), null, true).toString());
}
f = GLDrawableFactory.getEGLFactory();
if (null != f) {
System.err.println(
JoglVersion.getDefaultOpenGLInfo(f.getDefaultDevice(), null, true).toString());
}
}
public static IntBuffer GLCapabilities2AttribList(GLCapabilitiesImmutable caps) {
final IntBuffer attrs = Buffers.newDirectIntBuffer(32);
int idx = 0;
attrs.put(idx++, EGL.EGL_SURFACE_TYPE);
final int surfaceType;
if (caps.isOnscreen()) {
surfaceType = EGL.EGL_WINDOW_BIT;
} else if (caps.isFBO()) {
surfaceType = EGL.EGL_PBUFFER_BIT; // native replacement!
} else if (caps.isPBuffer()) {
surfaceType = EGL.EGL_PBUFFER_BIT;
} else if (caps.isBitmap()) {
surfaceType = EGL.EGL_PIXMAP_BIT;
} else {
throw new GLException("no surface type set in caps: " + caps);
}
attrs.put(idx++, surfaceType);
attrs.put(idx++, EGL.EGL_RED_SIZE);
attrs.put(idx++, caps.getRedBits());
attrs.put(idx++, EGL.EGL_GREEN_SIZE);
attrs.put(idx++, caps.getGreenBits());
attrs.put(idx++, EGL.EGL_BLUE_SIZE);
attrs.put(idx++, caps.getBlueBits());
if (caps.getAlphaBits() > 0) {
attrs.put(idx++, EGL.EGL_ALPHA_SIZE);
attrs.put(idx++, caps.getAlphaBits());
}
if (caps.getStencilBits() > 0) {
attrs.put(idx++, EGL.EGL_STENCIL_SIZE);
attrs.put(idx++, caps.getStencilBits());
}
attrs.put(idx++, EGL.EGL_DEPTH_SIZE);
attrs.put(idx++, caps.getDepthBits());
if (caps.getSampleBuffers()) {
if (caps.getSampleExtension().equals(GLGraphicsConfigurationUtil.NV_coverage_sample)) {
attrs.put(idx++, EGLExt.EGL_COVERAGE_BUFFERS_NV);
attrs.put(idx++, 1);
attrs.put(idx++, EGLExt.EGL_COVERAGE_SAMPLES_NV);
attrs.put(idx++, caps.getNumSamples());
} else {
// try default ..
attrs.put(idx++, EGL.EGL_SAMPLE_BUFFERS);
attrs.put(idx++, 1);
attrs.put(idx++, EGL.EGL_SAMPLES);
attrs.put(idx++, caps.getNumSamples());
}
}
attrs.put(idx++, EGL.EGL_TRANSPARENT_TYPE);
attrs.put(idx++, caps.isBackgroundOpaque() ? EGL.EGL_NONE : EGL.EGL_TRANSPARENT_TYPE);
// 22
if (!caps.isBackgroundOpaque()) {
attrs.put(idx++, EGL.EGL_TRANSPARENT_RED_VALUE);
attrs.put(
idx++,
caps.getTransparentRedValue() >= 0 ? caps.getTransparentRedValue() : EGL.EGL_DONT_CARE);
attrs.put(idx++, EGL.EGL_TRANSPARENT_GREEN_VALUE);
attrs.put(
idx++,
caps.getTransparentGreenValue() >= 0
? caps.getTransparentGreenValue()
: EGL.EGL_DONT_CARE);
attrs.put(idx++, EGL.EGL_TRANSPARENT_BLUE_VALUE);
attrs.put(
idx++,
caps.getTransparentBlueValue() >= 0 ? caps.getTransparentBlueValue() : EGL.EGL_DONT_CARE);
/**
* Not define in EGL attrs.put(idx++, EGL.EGL_TRANSPARENT_ALPHA_VALUE; attrs.put(idx++,
* caps.getTransparentAlphaValue()>=0?caps.getTransparentAlphaValue():EGL.EGL_DONT_CARE;
*/
}
// 28
attrs.put(idx++, EGL.EGL_RENDERABLE_TYPE);
if (caps.getGLProfile().usesNativeGLES1()) {
attrs.put(idx++, EGL.EGL_OPENGL_ES_BIT);
} else if (caps.getGLProfile().usesNativeGLES2()) {
attrs.put(idx++, EGL.EGL_OPENGL_ES2_BIT);
} else if (caps.getGLProfile().usesNativeGLES3()) {
if (GLRendererQuirks.existStickyDeviceQuirk(
GLDrawableFactory.getEGLFactory().getDefaultDevice(),
GLRendererQuirks.GLES3ViaEGLES2Config)) {
attrs.put(idx++, EGL.EGL_OPENGL_ES2_BIT);
} else {
attrs.put(idx++, EGLExt.EGL_OPENGL_ES3_BIT_KHR);
}
} else {
attrs.put(idx++, EGL.EGL_OPENGL_BIT);
}
// 30
attrs.put(idx++, EGL.EGL_NONE);
return attrs;
}