/**
* If supported, queries the natively supported shader binary formats using {@link
* GL2ES2#GL_NUM_SHADER_BINARY_FORMATS} and {@link GL2ES2#GL_SHADER_BINARY_FORMATS} via {@link
* GL2ES2#glGetIntegerv(int, int[], int)}.
*/
public static Set<Integer> getShaderBinaryFormats(final GL _gl) {
final GL2ES2 gl = _gl.getGL2ES2();
final ProfileInformation info = getProfileInformation(gl);
if (null == info.shaderBinaryFormats) {
info.shaderBinaryFormats = new HashSet<Integer>();
if (gl.isGLES2Compatible()) {
try {
final int[] param = new int[1];
gl.glGetIntegerv(GL2ES2.GL_NUM_SHADER_BINARY_FORMATS, param, 0);
final int err = gl.glGetError();
final int numFormats = GL.GL_NO_ERROR == err ? param[0] : 0;
if (numFormats > 0) {
final int[] formats = new int[numFormats];
gl.glGetIntegerv(GL2ES2.GL_SHADER_BINARY_FORMATS, formats, 0);
for (int i = 0; i < numFormats; i++) {
info.shaderBinaryFormats.add(Integer.valueOf(formats[i]));
}
}
} catch (final GLException gle) {
System.err.println("Caught exception on thread " + Thread.currentThread().getName());
gle.printStackTrace();
}
}
}
return info.shaderBinaryFormats;
}
/** Returns true if a hader compiler is available, otherwise false. */
public static boolean isShaderCompilerAvailable(final GL _gl) {
final GL2ES2 gl = _gl.getGL2ES2();
final ProfileInformation info = getProfileInformation(gl);
if (null == info.shaderCompilerAvailable) {
if (gl.isGLES2()) {
boolean queryOK = false;
try {
final byte[] param = new byte[1];
gl.glGetBooleanv(GL2ES2.GL_SHADER_COMPILER, param, 0);
final int err = gl.glGetError();
boolean v = GL.GL_NO_ERROR == err && param[0] != (byte) 0x00;
if (!v) {
final Set<Integer> bfs = getShaderBinaryFormats(gl);
if (bfs.size() == 0) {
// no supported binary formats, hence a compiler must be available!
v = true;
}
}
info.shaderCompilerAvailable = Boolean.valueOf(v);
queryOK = true;
} catch (final GLException gle) {
System.err.println("Caught exception on thread " + Thread.currentThread().getName());
gle.printStackTrace();
}
if (!queryOK) {
info.shaderCompilerAvailable = Boolean.valueOf(true);
}
} else if (gl.isGL2ES2()) {
info.shaderCompilerAvailable = new Boolean(true);
} else {
throw new GLException("Invalid OpenGL profile");
}
}
return info.shaderCompilerAvailable.booleanValue();
}
public void draw(GOut g) {
if (screenshot && Config.sshot_noui) {
visible = false;
}
super.draw(g);
drawcmd(g, new Coord(20, 580));
if (screenshot && (!Config.sshot_nonames || names_ready)) {
visible = true;
screenshot = false;
try {
Coord s = MainFrame.getInnerSize();
String stamp = Utils.sessdate(System.currentTimeMillis());
String ext = Config.sshot_compress ? ".jpg" : ".png";
File f = new File("screenshots/SS_" + stamp + ext);
f.mkdirs();
Screenshot.writeToFile(f, s.x, s.y);
} catch (GLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
// if(!afk && (System.currentTimeMillis() - ui.lastevent > 300000)) {
// afk = true;
// Widget slen = findchild(SlenHud.class);
// if(slen != null)
// slen.wdgmsg("afk");
// } else if(afk && (System.currentTimeMillis() - ui.lastevent < 300000)) {
// afk = false;
// }
}
/**
* Default implementation to destroys the drawable and context of this GLAutoDrawable:
*
* <ul>
* <li>issues the GLEventListener dispose call, if drawable and context are valid
* <li>destroys the GLContext, if valid
* <li>destroys the GLDrawable, if valid
* </ul>
*
* <p>Method assumes the lock is being hold.
*
* <p>Override it to extend it to destroy your resources, i.e. the actual window. In such case
* call <code>super.destroyImplInLock</code> first.
*/
protected void destroyImplInLock() {
if (preserveGLELSAtDestroy) {
preserveGLStateAtDestroy(false);
preserveGLEventListenerState();
}
if (null != context) {
if (context.isCreated()) {
// Catch dispose GLExceptions by GLEventListener, just 'print' them
// so we can continue with the destruction.
try {
helper.disposeGL(this, context, true);
} catch (GLException gle) {
gle.printStackTrace();
}
}
context = null;
}
if (null != drawable) {
final AbstractGraphicsDevice device =
drawable.getNativeSurface().getGraphicsConfiguration().getScreen().getDevice();
drawable.setRealized(false);
drawable = null;
if (ownsDevice) {
device.close();
}
}
}
private void makeContextCurrent() {
int MAX_CONTEXT_GRAB_ATTEMPTS = 10;
if (context.isCurrent()) {
notCurrent = false;
} else {
notCurrent = true;
int value = GLContext.CONTEXT_NOT_CURRENT;
int attempt = 0;
do {
try {
value = context.makeCurrent();
System.out.println("Made context current");
} catch (final GLException gle) {
gle.printStackTrace();
} finally {
attempt++;
if (attempt == MAX_CONTEXT_GRAB_ATTEMPTS) {
throw new RuntimeException("Failed to claim OpenGL context.");
}
}
try {
Thread.sleep(5);
} catch (final InterruptedException e) {
e.printStackTrace();
}
} while (value == GLContext.CONTEXT_NOT_CURRENT);
}
}
public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {
try {
// Specify new projection for this window
projection(drawable.getGL(), width, height);
} catch (GLException e) {
e.printStackTrace();
}
}
public void display(GLAutoDrawable drawable) {
try {
// Draw the contents of the window (abstract method)
draw(drawable.getGL());
} catch (GLException e) {
e.printStackTrace();
}
}
/**
* Called back immediately after the OpenGL context is initialized. Can be used to perform
* one-time initialization. Run only once.
*/
@Override
public void init(GLAutoDrawable drawable) {
GL2 gl = drawable.getGL().getGL2(); // get the OpenGL graphics context
glu = new GLU(); // get GL Utilities
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f); // set background (clear) color
gl.glClearDepth(1.0f); // set clear depth value to farthest
gl.glEnable(GL_DEPTH_TEST); // enables depth testing
gl.glDepthFunc(GL_LEQUAL); // the type of depth test to do
gl.glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); // best perspective correction
gl.glShadeModel(GL_SMOOTH); // blends colors nicely, and smoothes out lighting
// Load the texture image
try {
// Create a OpenGL Texture object from (URL, mipmap, file suffix)
// Use URL so that can read from JAR and disk file.
texture =
TextureIO.newTexture(
this.getClass().getResource(textureFileName), false, textureFileType);
} catch (GLException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
// Use linear filter for texture if image is larger than the original texture
gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
// Use linear filter for texture if image is smaller than the original texture
gl.glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
// Texture image flips vertically. Shall use TextureCoords class to retrieve
// the top, bottom, left and right coordinates, instead of using 0.0f and 1.0f.
TextureCoords textureCoords = texture.getImageTexCoords();
textureTop = textureCoords.top();
textureBottom = textureCoords.bottom();
// textureLeft = textureCoords.left();
// textureRight = textureCoords.right();
// Enable the texture
texture.enable(gl);
// gl.glEnable(GL_TEXTURE_2D);
// we want back facing polygons to be filled completely and that we want front
// facing polygons to be outlined only.
gl.glPolygonMode(GL_BACK, GL_FILL); // Back Face Is Filled In
gl.glPolygonMode(GL_FRONT, GL_LINE); // Front Face Is Drawn With Lines
for (int x = 0; x < numPoints; x++) { // Loop Through The Y Plane
for (int y = 0; y < numPoints; y++) {
// Apply The Wave To Our Mesh
// xmax is 45. Get 9 after dividing by 5. Subtract 4.5 to centralize.
points[x][y][0] = (float) x / 5.0f - 4.5f;
points[x][y][1] = (float) y / 5.0f - 4.5f;
// Sine wave pattern
points[x][y][2] = (float) (Math.sin(Math.toRadians(x / 5.0f * 40.0f)));
}
}
}
private void releaseCurrentContext() {
if (notCurrent) {
try {
context.release();
System.out.println("Released context");
} catch (final GLException gle) {
gle.printStackTrace();
}
}
}
// ------------------------------------------------------------
// GLEventListener
public void init(GLAutoDrawable drawable) {
if (debugging) drawable.setGL(new DebugGL(drawable.getGL()));
try {
// Specify new projection for this window
init(drawable.getGL());
} catch (GLException e) {
e.printStackTrace();
}
}
public void uglyjoglhack() throws InterruptedException {
try {
rdr = true;
display();
} catch (GLException e) {
if (e.getCause() instanceof InterruptedException) {
throw ((InterruptedException) e.getCause());
} else {
e.printStackTrace();
throw (e);
}
} finally {
rdr = false;
}
}
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;
}
public EGLDrawableFactory() {
super();
// Register our GraphicsConfigurationFactory implementations
// The act of constructing them causes them to be registered
EGLGraphicsConfigurationFactory.registerFactory();
// Check for other underlying stuff ..
if (NativeWindowFactory.TYPE_X11 == NativeWindowFactory.getNativeWindowType(true)) {
hasX11 = true;
try {
ReflectionUtil.createInstance(
"jogamp.opengl.x11.glx.X11GLXGraphicsConfigurationFactory",
EGLDrawableFactory.class.getClassLoader());
} catch (Exception jre) {
/* n/a .. */
}
}
// FIXME: Probably need to move EGL from a static model
// to a dynamic one, where there can be 2 instances
// for each ES profile with their own ProcAddressTable.
synchronized (EGLDrawableFactory.class) {
final boolean hasDesktopES2 = null != eglES2DynamicLookupHelper;
if (!hasDesktopES2 && null == eglES1DynamicLookupHelper) {
GLDynamicLookupHelper tmp = null;
try {
tmp = new GLDynamicLookupHelper(new EGLES1DynamicLibraryBundleInfo());
} catch (GLException gle) {
if (DEBUG) {
gle.printStackTrace();
}
}
if (null != tmp && tmp.isLibComplete()) {
eglES1DynamicLookupHelper = tmp;
EGL.resetProcAddressTable(eglES1DynamicLookupHelper);
final boolean isANGLEES1 = isANGLE(eglES1DynamicLookupHelper);
isANGLE |= isANGLEES1;
if (DEBUG || GLProfile.DEBUG) {
System.err.println("Info: EGLDrawableFactory: EGL ES1 - OK, isANGLE: " + isANGLEES1);
}
} else if (DEBUG || GLProfile.DEBUG) {
System.err.println("Info: EGLDrawableFactory: EGL ES1 - NOPE (ES1 lib)");
}
}
if (!hasDesktopES2 && null == eglES2DynamicLookupHelper) {
GLDynamicLookupHelper tmp = null;
try {
tmp = new GLDynamicLookupHelper(new EGLES2DynamicLibraryBundleInfo());
} catch (GLException gle) {
if (DEBUG) {
gle.printStackTrace();
}
}
if (null != tmp && tmp.isLibComplete()) {
eglES2DynamicLookupHelper = tmp;
EGL.resetProcAddressTable(eglES2DynamicLookupHelper);
final boolean includesES1 =
null == eglES1DynamicLookupHelper && includesES1(eglES2DynamicLookupHelper);
if (includesES1) {
eglES1DynamicLookupHelper = tmp;
}
final boolean isANGLEES2 = isANGLE(eglES2DynamicLookupHelper);
isANGLE |= isANGLEES2;
if (DEBUG || GLProfile.DEBUG) {
System.err.println(
"Info: EGLDrawableFactory: EGL ES2 - OK (includesES1 "
+ includesES1
+ ", isANGLE: "
+ isANGLEES2
+ ")");
if (includesES1) {
System.err.println("Info: EGLDrawableFactory: EGL ES1 - OK (ES2 lib)");
}
}
} else if (DEBUG || GLProfile.DEBUG) {
System.err.println("Info: EGLDrawableFactory: EGL ES2 - NOPE");
}
}
if (null != eglES2DynamicLookupHelper || null != eglES1DynamicLookupHelper) {
if (isANGLE && !enableANGLE) {
if (DEBUG || GLProfile.DEBUG) {
System.err.println("Info: EGLDrawableFactory.init - EGL/ES2 ANGLE disabled");
}
} else {
if (isANGLE && (DEBUG || GLProfile.DEBUG)) {
System.err.println("Info: EGLDrawableFactory.init - EGL/ES2 ANGLE enabled");
}
sharedMap = new HashMap<String /*uniqueKey*/, SharedResource>();
sharedMapCreateAttempt = new HashSet<String>();
// FIXME: Following triggers eglInitialize(..) which crashed on Windows w/ Chrome/Angle,
// FF/Angle!
defaultDevice =
EGLDisplayUtil.eglCreateEGLGraphicsDevice(
EGL.EGL_DEFAULT_DISPLAY,
AbstractGraphicsDevice.DEFAULT_CONNECTION,
AbstractGraphicsDevice.DEFAULT_UNIT);
}
}
}
}
@Test
public void compileShader() throws InterruptedException {
GLProfile glp = GLProfile.get(GLProfile.GL2GL3);
GLCapabilities caps = new GLCapabilities(glp);
// commenting out this line makes it work
caps.setStencilBits(8);
// commenting in this line also makes it work
// caps.setSampleBuffers(true);
final Frame frame = new Frame("Bug 459 shader compilation test");
Assert.assertNotNull(frame);
final GLCanvas glCanvas = new GLCanvas(caps);
Assert.assertNotNull(glCanvas);
frame.add(glCanvas);
glCanvas.addGLEventListener(
new GLEventListener() {
/* @Override */
public void init(GLAutoDrawable drawable) {
String code = "void main(void){gl_Position = vec4(0,0,0,1);}";
GL2GL3 gl = drawable.getGL().getGL2GL3();
int id = gl.glCreateShader(GL2GL3.GL_VERTEX_SHADER);
try {
gl.glShaderSource(id, 1, new String[] {code}, (int[]) null, 0);
gl.glCompileShader(id);
int[] compiled = new int[1];
gl.glGetShaderiv(id, GL2GL3.GL_COMPILE_STATUS, compiled, 0);
if (compiled[0] == GL2GL3.GL_FALSE) {
int[] logLength = new int[1];
gl.glGetShaderiv(id, GL2GL3.GL_INFO_LOG_LENGTH, logLength, 0);
byte[] log = new byte[logLength[0]];
gl.glGetShaderInfoLog(id, logLength[0], (int[]) null, 0, log, 0);
System.err.println("Error compiling the shader: " + new String(log));
gl.glDeleteShader(id);
} else {
System.out.println("Shader compiled: id=" + id);
}
} catch (GLException e) {
glexception = e;
}
}
/* @Override */
public void dispose(GLAutoDrawable drawable) {}
/* @Override */
public void display(GLAutoDrawable drawable) {}
/* @Override */
public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {}
});
Animator animator = new Animator(glCanvas);
try {
javax.swing.SwingUtilities.invokeAndWait(
new Runnable() {
public void run() {
frame.setSize(512, 512);
frame.setVisible(true);
}
});
} catch (Exception ex) {
throw new RuntimeException(ex);
}
animator.setUpdateFPSFrames(1, null);
animator.start();
while (animator.isAnimating() && animator.getTotalFPSDuration() < duration) {
Thread.sleep(100);
}
Assert.assertTrue(glexception != null ? glexception.getMessage() : "", glexception == null);
Assert.assertNotNull(frame);
Assert.assertNotNull(glCanvas);
Assert.assertNotNull(animator);
animator.stop();
Assert.assertEquals(false, animator.isAnimating());
try {
javax.swing.SwingUtilities.invokeAndWait(
new Runnable() {
public void run() {
frame.setVisible(false);
frame.remove(glCanvas);
frame.dispose();
}
});
} catch (Throwable throwable) {
throwable.printStackTrace();
Assume.assumeNoException(throwable);
}
}
@Override
protected boolean createImpl(GLContextImpl shareWith) throws GLException {
final EGLGraphicsConfiguration config =
(EGLGraphicsConfiguration) drawable.getNativeSurface().getGraphicsConfiguration();
final long eglDisplay = config.getScreen().getDevice().getHandle();
final GLProfile glProfile = drawable.getGLProfile();
final long eglConfig = config.getNativeConfig();
long shareWithHandle = EGL.EGL_NO_CONTEXT;
if (0 == eglDisplay) {
throw new GLException(
"Error: attempted to create an OpenGL context without a display connection");
}
if (0 == eglConfig) {
throw new GLException(
"Error: attempted to create an OpenGL context without a graphics configuration");
}
try {
// might be unavailable on EGL < 1.2
if (!EGL.eglBindAPI(EGL.EGL_OPENGL_ES_API)) {
throw new GLException(
"Catched: eglBindAPI to ES failed , error 0x" + Integer.toHexString(EGL.eglGetError()));
}
} catch (GLException glex) {
if (DEBUG) {
glex.printStackTrace();
}
}
if (shareWith != null) {
shareWithHandle = shareWith.getHandle();
if (shareWithHandle == 0) {
throw new GLException("GLContextShareSet returned an invalid OpenGL context");
}
}
final IntBuffer contextAttrsNIO;
{
final int[] contextAttrs = new int[] {EGL.EGL_CONTEXT_CLIENT_VERSION, -1, EGL.EGL_NONE};
if (glProfile.usesNativeGLES2()) {
contextAttrs[1] = 2;
} else if (glProfile.usesNativeGLES1()) {
contextAttrs[1] = 1;
} else {
throw new GLException("Error creating OpenGL context - invalid GLProfile: " + glProfile);
}
contextAttrsNIO = Buffers.newDirectIntBuffer(contextAttrs);
}
contextHandle = EGL.eglCreateContext(eglDisplay, eglConfig, shareWithHandle, contextAttrsNIO);
if (contextHandle == 0) {
throw new GLException(
"Error creating OpenGL context: eglDisplay "
+ toHexString(eglDisplay)
+ ", eglConfig "
+ config
+ ", "
+ glProfile
+ ", shareWith "
+ toHexString(shareWithHandle)
+ ", error "
+ toHexString(EGL.eglGetError()));
}
if (DEBUG) {
System.err.println(
getThreadName()
+ ": Created OpenGL context 0x"
+ Long.toHexString(contextHandle)
+ ",\n\twrite surface 0x"
+ Long.toHexString(drawable.getHandle())
+ ",\n\tread surface 0x"
+ Long.toHexString(drawableRead.getHandle())
+ ",\n\t"
+ this
+ ",\n\tsharing with 0x"
+ Long.toHexString(shareWithHandle));
}
if (!EGL.eglMakeCurrent(
eglDisplay, drawable.getHandle(), drawableRead.getHandle(), contextHandle)) {
throw new GLException(
"Error making context "
+ toHexString(contextHandle)
+ " current: error code "
+ toHexString(EGL.eglGetError()));
}
setGLFunctionAvailability(true, glProfile.usesNativeGLES2() ? 2 : 1, 0, CTX_PROFILE_ES);
return true;
}