private boolean mapAvailableEGLESConfig(
AbstractGraphicsDevice adevice,
int esProfile,
boolean[] hasPBuffer,
GLRendererQuirks[] rendererQuirks,
int[] ctp) {
final String profileString;
switch (esProfile) {
case 3:
profileString = GLProfile.GLES3;
break;
case 2:
profileString = GLProfile.GLES2;
break;
case 1:
profileString = GLProfile.GLES1;
break;
default:
throw new GLException("Invalid ES profile number " + esProfile);
}
if (!GLProfile.isAvailable(adevice, profileString)) {
if (DEBUG) {
System.err.println(
"EGLDrawableFactory.mapAvailableEGLESConfig: " + profileString + " n/a on " + adevice);
}
return false;
}
final GLProfile glp = GLProfile.get(adevice, profileString);
final GLDrawableFactoryImpl desktopFactory =
(GLDrawableFactoryImpl) GLDrawableFactory.getDesktopFactory();
final boolean mapsADeviceToDefaultDevice =
!QUERY_EGL_ES_NATIVE_TK || null == desktopFactory || adevice instanceof EGLGraphicsDevice;
if (DEBUG) {
System.err.println(
"EGLDrawableFactory.mapAvailableEGLESConfig: "
+ profileString
+ " ( "
+ esProfile
+ " ), "
+ "defaultSharedResourceSet "
+ (null != defaultSharedResource)
+ ", mapsADeviceToDefaultDevice "
+ mapsADeviceToDefaultDevice
+ " (QUERY_EGL_ES_NATIVE_TK "
+ QUERY_EGL_ES_NATIVE_TK
+ ", hasDesktopFactory "
+ (null != desktopFactory)
+ ", isEGLGraphicsDevice "
+ (adevice instanceof EGLGraphicsDevice)
+ ")");
}
EGLGraphicsDevice eglDevice = null;
NativeSurface surface = null;
ProxySurface upstreamSurface = null; // X11, GLX, ..
boolean success = false;
boolean deviceFromUpstreamSurface = false;
try {
final GLCapabilities reqCapsAny = new GLCapabilities(glp);
reqCapsAny.setRedBits(5);
reqCapsAny.setGreenBits(5);
reqCapsAny.setBlueBits(5);
reqCapsAny.setAlphaBits(0);
reqCapsAny.setDoubleBuffered(false);
if (mapsADeviceToDefaultDevice) {
// In this branch, any non EGL device is mapped to EGL default shared resources (default
// behavior).
// Only one default shared resource instance is ever be created.
final GLCapabilitiesImmutable reqCapsPBuffer =
GLGraphicsConfigurationUtil.fixGLPBufferGLCapabilities(reqCapsAny);
final List<GLCapabilitiesImmutable> availablePBufferCapsL =
getAvailableEGLConfigs(defaultDevice, reqCapsPBuffer);
hasPBuffer[0] = availablePBufferCapsL.size() > 0;
// 1st case: adevice is not the EGL default device, map default shared resources
if (adevice != defaultDevice) {
if (null == defaultSharedResource) {
return false;
}
switch (esProfile) {
case 3:
if (!defaultSharedResource.wasES3ContextCreated) {
return false;
}
rendererQuirks[0] = defaultSharedResource.rendererQuirksES3ES2;
ctp[0] = defaultSharedResource.ctpES3ES2;
break;
case 2:
if (!defaultSharedResource.wasES2ContextCreated) {
return false;
}
rendererQuirks[0] = defaultSharedResource.rendererQuirksES3ES2;
ctp[0] = defaultSharedResource.ctpES3ES2;
break;
case 1:
if (!defaultSharedResource.wasES1ContextCreated) {
return false;
}
rendererQuirks[0] = defaultSharedResource.rendererQuirksES1;
ctp[0] = defaultSharedResource.ctpES1;
break;
}
EGLContext.mapStaticGLVersion(adevice, esProfile, 0, ctp[0]);
return true;
}
// attempt to created the default shared resources ..
eglDevice = defaultDevice; // reuse
if (hasPBuffer[0]) {
// 2nd case create defaultDevice shared resource using pbuffer surface
surface =
createDummySurfaceImpl(
eglDevice,
false,
reqCapsPBuffer,
reqCapsPBuffer,
null,
64,
64); // egl pbuffer offscreen
upstreamSurface = (ProxySurface) surface;
upstreamSurface.createNotify();
deviceFromUpstreamSurface = false;
} else {
// 3rd case fake creation of defaultDevice shared resource, no pbuffer available
final List<GLCapabilitiesImmutable> capsAnyL =
getAvailableEGLConfigs(eglDevice, reqCapsAny);
if (capsAnyL.size() > 0) {
final GLCapabilitiesImmutable chosenCaps = capsAnyL.get(0);
EGLContext.mapStaticGLESVersion(eglDevice, chosenCaps);
success = true;
}
if (DEBUG) {
System.err.println(
"EGLDrawableFactory.mapAvailableEGLESConfig() no pbuffer config available, detected !pbuffer config: "
+ success);
EGLGraphicsConfigurationFactory.printCaps("!PBufferCaps", capsAnyL, System.err);
}
}
} else {
// 4th case always creates a true mapping of given device to EGL
surface =
desktopFactory.createDummySurface(
adevice, reqCapsAny, null, 64, 64); // X11, WGL, .. dummy window
upstreamSurface = (surface instanceof ProxySurface) ? (ProxySurface) surface : null;
if (null != upstreamSurface) {
upstreamSurface.createNotify();
}
eglDevice = EGLDisplayUtil.eglCreateEGLGraphicsDevice(surface);
deviceFromUpstreamSurface = true;
hasPBuffer[0] = true;
}
if (null != surface) {
final EGLDrawable drawable =
(EGLDrawable)
createOnscreenDrawableImpl(
surface); // works w/ implicit pbuffer surface via proxy-hook
drawable.setRealized(true);
final EGLContext context = (EGLContext) drawable.createContext(null);
if (null != context) {
try {
context.makeCurrent(); // could cause exception
if (context.isCurrent()) {
final String glVersion = context.getGL().glGetString(GL.GL_VERSION);
if (null != glVersion) {
context.mapCurrentAvailableGLVersion(eglDevice);
if (eglDevice != adevice) {
context.mapCurrentAvailableGLVersion(adevice);
}
rendererQuirks[0] = context.getRendererQuirks();
ctp[0] = context.getContextOptions();
success = true;
} else {
// Oops .. something is wrong
if (DEBUG) {
System.err.println(
"EGLDrawableFactory.mapAvailableEGLESConfig: "
+ eglDevice
+ ", "
+ context.getGLVersion()
+ " - VERSION is null, dropping availability!");
}
}
}
} catch (GLException gle) {
if (DEBUG) {
System.err.println(
"EGLDrawableFactory.mapAvailableEGLESConfig: INFO: context create/makeCurrent failed");
gle.printStackTrace();
}
} finally {
context.destroy();
}
}
drawable.setRealized(false);
}
} catch (Throwable t) {
if (DEBUG) {
System.err.println("Catched Exception on thread " + getThreadName());
t.printStackTrace();
}
success = false;
} finally {
if (eglDevice == defaultDevice) {
if (null != upstreamSurface) {
upstreamSurface.destroyNotify();
}
} else if (deviceFromUpstreamSurface) {
if (null != eglDevice) {
eglDevice.close();
}
if (null != upstreamSurface) {
upstreamSurface.destroyNotify();
}
} else {
if (null != upstreamSurface) {
upstreamSurface.destroyNotify();
}
if (null != eglDevice) {
eglDevice.close();
}
}
}
return success;
}
