protected static X11GLXGraphicsConfiguration chooseGraphicsConfigurationFBConfig(
GLCapabilities capabilities, GLCapabilitiesChooser chooser, X11GraphicsScreen x11Screen) {
int recommendedIndex = -1;
GLCapabilities[] caps = null;
PointerBuffer fbcfgsL = null;
int chosen = -1;
int retFBID = -1;
XVisualInfo retXVisualInfo = null;
GLProfile glProfile = capabilities.getGLProfile();
boolean onscreen = capabilities.isOnscreen();
boolean usePBuffer = capabilities.isPBuffer();
// Utilizing FBConfig
//
AbstractGraphicsDevice absDevice = x11Screen.getDevice();
long display = absDevice.getHandle();
try {
NativeWindowFactory.getDefaultFactory().getToolkitLock().lock();
X11Lib.XLockDisplay(display);
int screen = x11Screen.getIndex();
boolean isMultisampleAvailable = GLXUtil.isMultisampleAvailable(display);
int[] attribs =
X11GLXGraphicsConfiguration.GLCapabilities2AttribList(
capabilities, true, isMultisampleAvailable, display, screen);
int[] count = {-1};
fbcfgsL = GLX.glXChooseFBConfigCopied(display, screen, attribs, 0, count, 0);
if (fbcfgsL == null || fbcfgsL.limit() < 1) {
if (DEBUG) {
System.err.println(
"X11GLXGraphicsConfiguration.chooseGraphicsConfigurationFBConfig: Failed glXChooseFBConfig ("
+ x11Screen
+ ","
+ capabilities
+ "): "
+ fbcfgsL
+ ", "
+ count[0]);
}
return null;
}
if (!X11GLXGraphicsConfiguration.GLXFBConfigValid(display, fbcfgsL.get(0))) {
if (DEBUG) {
System.err.println(
"X11GLXGraphicsConfiguration.chooseGraphicsConfigurationFBConfig: Failed - GLX FBConfig invalid: ("
+ x11Screen
+ ","
+ capabilities
+ "): "
+ fbcfgsL
+ ", fbcfg: 0x"
+ Long.toHexString(fbcfgsL.get(0)));
}
return null;
}
recommendedIndex = 0; // 1st match is always recommended ..
caps = new GLCapabilities[fbcfgsL.limit()];
for (int i = 0; i < fbcfgsL.limit(); i++) {
caps[i] =
X11GLXGraphicsConfiguration.GLXFBConfig2GLCapabilities(
glProfile,
display,
fbcfgsL.get(i),
false,
onscreen,
usePBuffer,
isMultisampleAvailable);
}
if (null == chooser) {
chosen = recommendedIndex;
} else {
try {
chosen = chooser.chooseCapabilities(capabilities, caps, recommendedIndex);
} catch (NativeWindowException e) {
if (DEBUG) {
e.printStackTrace();
}
chosen = -1;
}
}
if (chosen < 0) {
// keep on going ..
if (DEBUG) {
System.err.println(
"X11GLXGraphicsConfiguration.chooseGraphicsConfigurationFBConfig Failed .. unable to choose config, using first");
}
chosen = 0; // default ..
} else if (chosen >= caps.length) {
throw new GLException(
"GLCapabilitiesChooser specified invalid index (expected 0.."
+ (caps.length - 1)
+ ")");
}
retFBID = X11GLXGraphicsConfiguration.glXFBConfig2FBConfigID(display, fbcfgsL.get(chosen));
retXVisualInfo = GLX.glXGetVisualFromFBConfigCopied(display, fbcfgsL.get(chosen));
if (retXVisualInfo == null) {
if (DEBUG) {
System.err.println(
"X11GLXGraphicsConfiguration.chooseGraphicsConfigurationFBConfig: Failed glXGetVisualFromFBConfig ("
+ x11Screen
+ ", "
+ fbcfgsL.get(chosen)
+ " (Continue: "
+ (false == caps[chosen].isOnscreen())
+ "):\n\t"
+ caps[chosen]);
}
if (caps[chosen].isOnscreen()) {
// Onscreen drawables shall have a XVisual ..
return null;
}
}
} finally {
X11Lib.XUnlockDisplay(display);
NativeWindowFactory.getDefaultFactory().getToolkitLock().unlock();
}
return new X11GLXGraphicsConfiguration(
x11Screen,
caps[chosen],
capabilities,
chooser,
retXVisualInfo,
fbcfgsL.get(chosen),
retFBID);
}
protected static X11GLXGraphicsConfiguration chooseGraphicsConfigurationXVisual(
GLCapabilities capabilities, GLCapabilitiesChooser chooser, X11GraphicsScreen x11Screen) {
if (chooser == null) {
chooser = new DefaultGLCapabilitiesChooser();
}
// Until we have a rock-solid visual selection algorithm written
// in pure Java, we're going to provide the underlying window
// system's selection to the chooser as a hint
GLProfile glProfile = capabilities.getGLProfile();
boolean onscreen = capabilities.isOnscreen();
GLCapabilities[] caps = null;
int recommendedIndex = -1;
XVisualInfo retXVisualInfo = null;
int chosen = -1;
AbstractGraphicsDevice absDevice = x11Screen.getDevice();
long display = absDevice.getHandle();
try {
NativeWindowFactory.getDefaultFactory().getToolkitLock().lock();
X11Lib.XLockDisplay(display);
int screen = x11Screen.getIndex();
boolean isMultisampleAvailable = GLXUtil.isMultisampleAvailable(display);
int[] attribs =
X11GLXGraphicsConfiguration.GLCapabilities2AttribList(
capabilities, false, isMultisampleAvailable, display, screen);
XVisualInfo[] infos = null;
XVisualInfo recommendedVis = GLX.glXChooseVisualCopied(display, screen, attribs, 0);
if (DEBUG) {
System.err.print("!!! glXChooseVisual recommended ");
if (recommendedVis == null) {
System.err.println("null visual");
} else {
System.err.println("visual id 0x" + Long.toHexString(recommendedVis.getVisualid()));
}
}
int[] count = new int[1];
XVisualInfo template = XVisualInfo.create();
template.setScreen(screen);
infos = X11Lib.XGetVisualInfoCopied(display, X11Lib.VisualScreenMask, template, count, 0);
if (infos == null || infos.length < 1) {
throw new GLException("Error while enumerating available XVisualInfos");
}
caps = new GLCapabilities[infos.length];
for (int i = 0; i < infos.length; i++) {
caps[i] =
X11GLXGraphicsConfiguration.XVisualInfo2GLCapabilities(
glProfile, display, infos[i], onscreen, false, isMultisampleAvailable);
// Attempt to find the visual chosen by glXChooseVisual
if (recommendedVis != null && recommendedVis.getVisualid() == infos[i].getVisualid()) {
recommendedIndex = i;
}
}
try {
chosen = chooser.chooseCapabilities(capabilities, caps, recommendedIndex);
} catch (NativeWindowException e) {
if (DEBUG) {
e.printStackTrace();
}
chosen = -1;
}
if (chosen < 0) {
// keep on going ..
if (DEBUG) {
System.err.println(
"X11GLXGraphicsConfiguration.chooseGraphicsConfigurationXVisual Failed .. unable to choose config, using first");
}
chosen = 0; // default ..
} else if (chosen >= caps.length) {
throw new GLException(
"GLCapabilitiesChooser specified invalid index (expected 0.."
+ (caps.length - 1)
+ ")");
}
if (infos[chosen] == null) {
throw new GLException("GLCapabilitiesChooser chose an invalid visual");
}
retXVisualInfo = XVisualInfo.create(infos[chosen]);
} finally {
X11Lib.XUnlockDisplay(display);
NativeWindowFactory.getDefaultFactory().getToolkitLock().unlock();
}
return new X11GLXGraphicsConfiguration(
x11Screen, caps[chosen], capabilities, chooser, retXVisualInfo, 0, -1);
}
void doTest(
final boolean onscreen, final GLEventListener demo, final GLProfile glp, final int msaaCount)
throws IOException {
final GLCapabilities caps = new GLCapabilities(glp);
caps.setDoubleBuffered(onscreen);
if (msaaCount > 0) {
caps.setSampleBuffers(true);
caps.setNumSamples(msaaCount);
}
final int maxTileSize = 256;
final GLAutoDrawable glad;
if (onscreen) {
final GLWindow glWin = GLWindow.create(caps);
glWin.setSize(maxTileSize, maxTileSize);
glWin.setVisible(true);
glad = glWin;
} else {
final GLDrawableFactory factory = GLDrawableFactory.getFactory(glp);
glad = factory.createOffscreenAutoDrawable(null, caps, null, maxTileSize, maxTileSize);
}
glad.addGLEventListener(demo);
// Fix the image size for now
final int imageWidth = glad.getSurfaceWidth() * 6;
final int imageHeight = glad.getSurfaceHeight() * 4;
final String filename =
this.getSnapshotFilename(
0,
"-tile",
glad.getChosenGLCapabilities(),
imageWidth,
imageHeight,
false,
TextureIO.PNG,
null);
final File file = new File(filename);
// Initialize the tile rendering library
final TileRenderer renderer = new TileRenderer();
renderer.setImageSize(imageWidth, imageHeight);
renderer.setTileSize(glad.getSurfaceWidth(), glad.getSurfaceHeight(), 0);
renderer.attachAutoDrawable(glad);
final GLPixelBuffer.GLPixelBufferProvider pixelBufferProvider =
GLPixelBuffer.defaultProviderWithRowStride;
final boolean[] flipVertically = {false};
final GLEventListener preTileGLEL =
new GLEventListener() {
@Override
public void init(final GLAutoDrawable drawable) {
final GL gl = drawable.getGL();
final GLPixelAttributes pixelAttribs = pixelBufferProvider.getAttributes(gl, 3);
final GLPixelBuffer pixelBuffer =
pixelBufferProvider.allocate(gl, pixelAttribs, imageWidth, imageHeight, 1, true, 0);
renderer.setImageBuffer(pixelBuffer);
if (drawable.isGLOriented()) {
flipVertically[0] = false;
} else {
flipVertically[0] = true;
}
}
@Override
public void dispose(final GLAutoDrawable drawable) {}
@Override
public void display(final GLAutoDrawable drawable) {}
@Override
public void reshape(
final GLAutoDrawable drawable,
final int x,
final int y,
final int width,
final int height) {}
};
renderer.setGLEventListener(preTileGLEL, null);
while (!renderer.eot()) {
renderer.display();
}
renderer.detachAutoDrawable();
// Restore viewport and Gear's PMV matrix
// .. even though we close the demo, this is for documentation!
glad.invoke(
true,
new GLRunnable() {
@Override
public boolean run(final GLAutoDrawable drawable) {
drawable
.getGL()
.glViewport(0, 0, drawable.getSurfaceWidth(), drawable.getSurfaceHeight());
demo.reshape(drawable, 0, 0, drawable.getSurfaceWidth(), drawable.getSurfaceHeight());
return false;
}
});
final GLPixelBuffer imageBuffer = renderer.getImageBuffer();
final TextureData textureData =
new TextureData(
caps.getGLProfile(),
0 /* internalFormat */,
imageWidth,
imageHeight,
0,
imageBuffer.pixelAttributes,
false,
false,
flipVertically[0],
imageBuffer.buffer,
null /* Flusher */);
TextureIO.write(textureData, file);
glad.destroy();
}