/**
* Sets the OpenGL context associated with this GLCanvas to be the current GL context.
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public void setCurrent() {
checkWidget();
if (GLX.glXGetCurrentContext() == context) return;
int /*long*/ window = OS.GTK_WIDGET_WINDOW(handle);
int /*long*/ xDisplay = OS.gdk_x11_drawable_get_xdisplay(window);
GLX.glXMakeCurrent(xDisplay, xWindow, context);
}
protected static X11GLXGraphicsConfiguration createDefaultGraphicsConfiguration(
AbstractGraphicsScreen absScreen, boolean onscreen, boolean usePBuffer) {
if (absScreen == null) {
throw new IllegalArgumentException("AbstractGraphicsScreen is null");
}
if (!(absScreen instanceof X11GraphicsScreen)) {
throw new IllegalArgumentException("Only X11GraphicsScreen are allowed here");
}
X11GraphicsScreen x11Screen = (X11GraphicsScreen) absScreen;
GLProfile glProfile = GLProfile.getDefault();
GLCapabilities caps = null;
XVisualInfo xvis = null;
long fbcfg = 0;
int fbid = -1;
// Utilizing FBConfig
//
GLCapabilities capsFB = null;
long display = x11Screen.getDevice().getHandle();
try {
NativeWindowFactory.getDefaultFactory().getToolkitLock().lock();
X11Lib.XLockDisplay(display);
int screen = x11Screen.getIndex();
boolean isMultisampleAvailable = GLXUtil.isMultisampleAvailable(display);
long visID = X11Lib.DefaultVisualID(display, x11Screen.getIndex());
xvis = X11GLXGraphicsConfiguration.XVisualID2XVisualInfo(display, visID);
caps =
X11GLXGraphicsConfiguration.XVisualInfo2GLCapabilities(
glProfile, display, xvis, onscreen, usePBuffer, isMultisampleAvailable);
int[] attribs =
X11GLXGraphicsConfiguration.GLCapabilities2AttribList(
caps, true, isMultisampleAvailable, display, screen);
int[] count = {-1};
PointerBuffer fbcfgsL = GLX.glXChooseFBConfigCopied(display, screen, attribs, 0, count, 0);
if (fbcfgsL == null || fbcfgsL.limit() < 1) {
throw new Exception("Could not fetch FBConfig for " + caps);
}
fbcfg = fbcfgsL.get(0);
capsFB =
X11GLXGraphicsConfiguration.GLXFBConfig2GLCapabilities(
glProfile, display, fbcfg, true, onscreen, usePBuffer, isMultisampleAvailable);
fbid = X11GLXGraphicsConfiguration.glXFBConfig2FBConfigID(display, fbcfg);
xvis = GLX.glXGetVisualFromFBConfigCopied(display, fbcfg);
if (xvis == null) {
throw new GLException("Error: Choosen FBConfig has no visual");
}
} catch (Throwable t) {
} finally {
X11Lib.XUnlockDisplay(display);
NativeWindowFactory.getDefaultFactory().getToolkitLock().unlock();
}
return new X11GLXGraphicsConfiguration(
x11Screen, (null != capsFB) ? capsFB : caps, caps, null, xvis, fbcfg, fbid);
}
public static void getGLXVersion(long display, int major[], int minor[]) {
if (0 == display) {
throw new GLException("null display handle");
}
if (major.length < 1 || minor.length < 1) {
throw new GLException("passed int arrays size is not >= 1");
}
if (!GLX.glXQueryVersion(display, major, 0, minor, 0)) {
throw new GLException("glXQueryVersion failed");
}
// Work around bugs in ATI's Linux drivers where they report they
// only implement GLX version 1.2 on the server side
if (major[0] == 1 && minor[0] == 2) {
String str = GLX.glXGetClientString(display, GLX.GLX_VERSION);
try {
// e.g. "1.3"
major[0] = Integer.valueOf(str.substring(0, 1)).intValue();
minor[0] = Integer.valueOf(str.substring(2, 3)).intValue();
} catch (Exception e) {
major[0] = 1;
minor[0] = 2;
}
}
}
protected static X11ExternalGLXContext create(GLDrawableFactory factory, GLProfile glp) {
long ctx = GLX.glXGetCurrentContext();
if (ctx == 0) {
throw new GLException("Error: current context null");
}
long display = GLX.glXGetCurrentDisplay();
if (display == 0) {
throw new GLException("Error: current display null");
}
long drawable = GLX.glXGetCurrentDrawable();
if (drawable == 0) {
throw new GLException(
"Error: attempted to make an external GLDrawable without a drawable/context current");
}
IntBuffer val = Buffers.newDirectIntBuffer(1);
int w, h;
GLX.glXQueryDrawable(display, drawable, GLX.GLX_WIDTH, val);
w = val.get(0);
GLX.glXQueryDrawable(display, drawable, GLX.GLX_HEIGHT, val);
h = val.get(0);
GLX.glXQueryContext(display, ctx, GLX.GLX_SCREEN, val);
X11GraphicsScreen x11Screen =
(X11GraphicsScreen) X11GraphicsScreen.createScreenDevice(display, val.get(0), false);
GLX.glXQueryContext(display, ctx, GLX.GLX_FBCONFIG_ID, val);
X11GLXGraphicsConfiguration cfg = null;
// sometimes glXQueryContext on an external context gives us a framebuffer config ID
// of 0, which doesn't work in a subsequent call to glXChooseFBConfig; if this happens,
// create and use a default config (this has been observed when running on CentOS 5.5 inside
// of VMWare Server 2.0 with the Mesa 6.5.1 drivers)
if (VisualIDHolder.VID_UNDEFINED == val.get(0)
|| !X11GLXGraphicsConfiguration.GLXFBConfigIDValid(
display, x11Screen.getIndex(), val.get(0))) {
GLCapabilities glcapsDefault = new GLCapabilities(GLProfile.getDefault());
cfg =
X11GLXGraphicsConfigurationFactory.chooseGraphicsConfigurationStatic(
glcapsDefault, glcapsDefault, null, x11Screen, VisualIDHolder.VID_UNDEFINED);
if (DEBUG) {
System.err.println(
"X11ExternalGLXContext invalid FBCONFIG_ID "
+ val.get(0)
+ ", using default cfg: "
+ cfg);
}
} else {
cfg = X11GLXGraphicsConfiguration.create(glp, x11Screen, val.get(0));
}
final WrappedSurface ns = new WrappedSurface(cfg, drawable, w, h, true);
return new X11ExternalGLXContext(new Drawable(factory, ns), ctx);
}
static List<GLCapabilitiesImmutable> getAvailableGLCapabilitiesFBConfig(
X11GraphicsScreen x11Screen, GLProfile glProfile, boolean isMultisampleAvailable) {
PointerBuffer fbcfgsL = null;
// Utilizing FBConfig
//
AbstractGraphicsDevice absDevice = x11Screen.getDevice();
long display = absDevice.getHandle();
int screen = x11Screen.getIndex();
int[] count = {-1};
ArrayList<GLCapabilitiesImmutable> availableCaps = new ArrayList<GLCapabilitiesImmutable>();
fbcfgsL = GLX.glXChooseFBConfig(display, screen, null, 0, count, 0);
if (fbcfgsL == null || fbcfgsL.limit() <= 0) {
if (DEBUG) {
System.err.println(
"X11GLXGraphicsConfiguration.getAvailableGLCapabilitiesFBConfig: Failed glXChooseFBConfig ("
+ x11Screen
+ "): "
+ fbcfgsL
+ ", "
+ count[0]);
}
return null;
}
for (int i = 0; i < fbcfgsL.limit(); i++) {
if (!X11GLXGraphicsConfiguration.GLXFBConfig2GLCapabilities(
availableCaps,
glProfile,
display,
fbcfgsL.get(i),
GLGraphicsConfigurationUtil.ALL_BITS,
isMultisampleAvailable)) {
if (DEBUG) {
System.err.println(
"X11GLXGraphicsConfiguration.getAvailableGLCapabilitiesFBConfig: FBConfig invalid (2): ("
+ x11Screen
+ "): fbcfg: "
+ toHexString(fbcfgsL.get(i)));
}
}
}
return availableCaps;
}
@Override
public SharedResourceRunner.Resource createSharedResource(String connection) {
final X11GraphicsDevice sharedDevice =
new X11GraphicsDevice(
X11Util.openDisplay(connection),
AbstractGraphicsDevice.DEFAULT_UNIT,
true /* owner */);
sharedDevice.lock();
try {
final X11GraphicsScreen sharedScreen =
new X11GraphicsScreen(sharedDevice, sharedDevice.getDefaultScreen());
GLXUtil.initGLXClientDataSingleton(sharedDevice);
final String glXServerVendorName =
GLX.glXQueryServerString(sharedDevice.getHandle(), 0, GLX.GLX_VENDOR);
final boolean glXServerMultisampleAvailable =
GLXUtil.isMultisampleAvailable(
GLX.glXQueryServerString(sharedDevice.getHandle(), 0, GLX.GLX_EXTENSIONS));
final GLProfile glp =
GLProfile.get(sharedDevice, GLProfile.GL_PROFILE_LIST_MIN_DESKTOP, false);
if (null == glp) {
throw new GLException("Couldn't get default GLProfile for device: " + sharedDevice);
}
final GLCapabilitiesImmutable caps = new GLCapabilities(glp);
final GLDrawableImpl sharedDrawable =
createOnscreenDrawableImpl(
createDummySurfaceImpl(sharedDevice, false, caps, caps, null, 64, 64));
sharedDrawable.setRealized(true);
final X11GLCapabilities chosenCaps =
(X11GLCapabilities) sharedDrawable.getChosenGLCapabilities();
final boolean glxForcedOneOne = !chosenCaps.hasFBConfig();
final VersionNumber glXServerVersion;
if (glxForcedOneOne) {
glXServerVersion = versionOneOne;
} else {
glXServerVersion = GLXUtil.getGLXServerVersionNumber(sharedDevice);
}
final GLContextImpl sharedContext = (GLContextImpl) sharedDrawable.createContext(null);
if (null == sharedContext) {
throw new GLException("Couldn't create shared context for drawable: " + sharedDrawable);
}
boolean madeCurrent = false;
sharedContext.makeCurrent();
try {
madeCurrent = sharedContext.isCurrent();
} finally {
sharedContext.release();
}
if (sharedContext.hasRendererQuirk(GLRendererQuirks.DontCloseX11Display)) {
X11Util.markAllDisplaysUnclosable();
}
if (DEBUG) {
System.err.println("SharedDevice: " + sharedDevice);
System.err.println("SharedScreen: " + sharedScreen);
System.err.println("SharedContext: " + sharedContext + ", madeCurrent " + madeCurrent);
System.err.println("GLX Server Vendor: " + glXServerVendorName);
System.err.println(
"GLX Server Version: " + glXServerVersion + ", forced " + glxForcedOneOne);
System.err.println("GLX Server Multisample: " + glXServerMultisampleAvailable);
System.err.println("GLX Client Vendor: " + GLXUtil.getClientVendorName());
System.err.println("GLX Client Version: " + GLXUtil.getClientVersionNumber());
System.err.println("GLX Client Multisample: " + GLXUtil.isClientMultisampleAvailable());
}
return new SharedResource(
sharedDevice,
sharedScreen,
sharedDrawable,
sharedContext,
glXServerVersion,
glXServerVendorName,
glXServerMultisampleAvailable && GLXUtil.isClientMultisampleAvailable());
} catch (Throwable t) {
throw new GLException(
"X11GLXDrawableFactory - Could not initialize shared resources for " + connection, t);
} finally {
sharedDevice.unlock();
}
}
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);
}
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);
}
/**
* Returns a GLData object describing the created context.
*
* @return GLData description of the OpenGL context attributes
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public GLData getGLData() {
checkWidget();
int /*long*/ window = OS.GTK_WIDGET_WINDOW(handle);
int /*long*/ xDisplay = OS.gdk_x11_drawable_get_xdisplay(window);
GLData data = new GLData();
int[] value = new int[1];
GLX.glXGetConfig(xDisplay, vinfo, GLX.GLX_DOUBLEBUFFER, value);
data.doubleBuffer = value[0] != 0;
GLX.glXGetConfig(xDisplay, vinfo, GLX.GLX_STEREO, value);
data.stereo = value[0] != 0;
GLX.glXGetConfig(xDisplay, vinfo, GLX.GLX_RED_SIZE, value);
data.redSize = value[0];
GLX.glXGetConfig(xDisplay, vinfo, GLX.GLX_GREEN_SIZE, value);
data.greenSize = value[0];
GLX.glXGetConfig(xDisplay, vinfo, GLX.GLX_BLUE_SIZE, value);
data.blueSize = value[0];
GLX.glXGetConfig(xDisplay, vinfo, GLX.GLX_ALPHA_SIZE, value);
data.alphaSize = value[0];
GLX.glXGetConfig(xDisplay, vinfo, GLX.GLX_DEPTH_SIZE, value);
data.depthSize = value[0];
GLX.glXGetConfig(xDisplay, vinfo, GLX.GLX_STENCIL_SIZE, value);
data.stencilSize = value[0];
GLX.glXGetConfig(xDisplay, vinfo, GLX.GLX_ACCUM_RED_SIZE, value);
data.accumRedSize = value[0];
GLX.glXGetConfig(xDisplay, vinfo, GLX.GLX_ACCUM_GREEN_SIZE, value);
data.accumGreenSize = value[0];
GLX.glXGetConfig(xDisplay, vinfo, GLX.GLX_ACCUM_BLUE_SIZE, value);
data.accumBlueSize = value[0];
GLX.glXGetConfig(xDisplay, vinfo, GLX.GLX_ACCUM_ALPHA_SIZE, value);
data.accumAlphaSize = value[0];
GLX.glXGetConfig(xDisplay, vinfo, GLX.GLX_SAMPLE_BUFFERS, value);
data.sampleBuffers = value[0];
GLX.glXGetConfig(xDisplay, vinfo, GLX.GLX_SAMPLES, value);
data.samples = value[0];
return data;
}
/**
* Workaround for apparent issue with ATI's proprietary drivers where direct contexts still send
* GLX tokens for GL calls
*/
public static String getVendorName(long display) {
return GLX.glXGetClientString(display, GLX.GLX_VENDOR);
}
public static String getExtension(long display) {
return GLX.glXGetClientString(display, GLX.GLX_EXTENSIONS);
}
/**
* Create a GLCanvas widget using the attributes described in the GLData object provided.
*
* @param parent a composite widget
* @param style the bitwise OR'ing of widget styles
* @param data the requested attributes of the GLCanvas
* @exception IllegalArgumentException
* <ul>
* <li>ERROR_NULL_ARGUMENT when the data is null
* <li>ERROR_UNSUPPORTED_DEPTH when the requested attributes cannot be provided
* </ul>
* </ul>
*/
public GLCanvas(Composite parent, int style, GLData data) {
super(parent, style);
if (data == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
int glxAttrib[] = new int[MAX_ATTRIBUTES];
int pos = 0;
glxAttrib[pos++] = GLX.GLX_RGBA;
if (data.doubleBuffer) glxAttrib[pos++] = GLX.GLX_DOUBLEBUFFER;
if (data.stereo) glxAttrib[pos++] = GLX.GLX_STEREO;
if (data.redSize > 0) {
glxAttrib[pos++] = GLX.GLX_RED_SIZE;
glxAttrib[pos++] = data.redSize;
}
if (data.greenSize > 0) {
glxAttrib[pos++] = GLX.GLX_GREEN_SIZE;
glxAttrib[pos++] = data.greenSize;
}
if (data.blueSize > 0) {
glxAttrib[pos++] = GLX.GLX_BLUE_SIZE;
glxAttrib[pos++] = data.blueSize;
}
if (data.alphaSize > 0) {
glxAttrib[pos++] = GLX.GLX_ALPHA_SIZE;
glxAttrib[pos++] = data.alphaSize;
}
if (data.depthSize > 0) {
glxAttrib[pos++] = GLX.GLX_DEPTH_SIZE;
glxAttrib[pos++] = data.depthSize;
}
if (data.stencilSize > 0) {
glxAttrib[pos++] = GLX.GLX_STENCIL_SIZE;
glxAttrib[pos++] = data.stencilSize;
}
if (data.accumRedSize > 0) {
glxAttrib[pos++] = GLX.GLX_ACCUM_RED_SIZE;
glxAttrib[pos++] = data.accumRedSize;
}
if (data.accumGreenSize > 0) {
glxAttrib[pos++] = GLX.GLX_ACCUM_GREEN_SIZE;
glxAttrib[pos++] = data.accumGreenSize;
}
if (data.accumBlueSize > 0) {
glxAttrib[pos++] = GLX.GLX_ACCUM_BLUE_SIZE;
glxAttrib[pos++] = data.accumBlueSize;
}
if (data.accumAlphaSize > 0) {
glxAttrib[pos++] = GLX.GLX_ACCUM_ALPHA_SIZE;
glxAttrib[pos++] = data.accumAlphaSize;
}
if (data.sampleBuffers > 0) {
glxAttrib[pos++] = GLX.GLX_SAMPLE_BUFFERS;
glxAttrib[pos++] = data.sampleBuffers;
}
if (data.samples > 0) {
glxAttrib[pos++] = GLX.GLX_SAMPLES;
glxAttrib[pos++] = data.samples;
}
glxAttrib[pos++] = 0;
OS.gtk_widget_realize(handle);
int /*long*/ window = OS.GTK_WIDGET_WINDOW(handle);
int /*long*/ xDisplay = OS.gdk_x11_drawable_get_xdisplay(window);
int /*long*/ infoPtr = GLX.glXChooseVisual(xDisplay, OS.XDefaultScreen(xDisplay), glxAttrib);
if (infoPtr == 0) {
dispose();
SWT.error(SWT.ERROR_UNSUPPORTED_DEPTH);
}
vinfo = new XVisualInfo();
GLX.memmove(vinfo, infoPtr, XVisualInfo.sizeof);
OS.XFree(infoPtr);
int /*long*/ screen = OS.gdk_screen_get_default();
int /*long*/ gdkvisual = OS.gdk_x11_screen_lookup_visual(screen, vinfo.visualid);
// FIXME- share lists
// context = GLX.glXCreateContext (xDisplay, info, share == null ? 0 : share.context, true);
context = GLX.glXCreateContext(xDisplay, vinfo, 0, true);
if (context == 0) SWT.error(SWT.ERROR_NO_HANDLES);
GdkWindowAttr attrs = new GdkWindowAttr();
attrs.width = 1;
attrs.height = 1;
attrs.event_mask =
OS.GDK_KEY_PRESS_MASK
| OS.GDK_KEY_RELEASE_MASK
| OS.GDK_FOCUS_CHANGE_MASK
| OS.GDK_POINTER_MOTION_MASK
| OS.GDK_BUTTON_PRESS_MASK
| OS.GDK_BUTTON_RELEASE_MASK
| OS.GDK_ENTER_NOTIFY_MASK
| OS.GDK_LEAVE_NOTIFY_MASK
| OS.GDK_EXPOSURE_MASK
| OS.GDK_VISIBILITY_NOTIFY_MASK
| OS.GDK_POINTER_MOTION_HINT_MASK;
attrs.window_type = OS.GDK_WINDOW_CHILD;
attrs.visual = gdkvisual;
glWindow = OS.gdk_window_new(window, attrs, OS.GDK_WA_VISUAL);
OS.gdk_window_set_user_data(glWindow, handle);
if ((style & SWT.NO_BACKGROUND) != 0) OS.gdk_window_set_back_pixmap(window, 0, false);
xWindow = OS.gdk_x11_drawable_get_xid(glWindow);
OS.gdk_window_show(glWindow);
Listener listener =
new Listener() {
public void handleEvent(Event event) {
switch (event.type) {
case SWT.Paint:
/**
* Bug in MESA. MESA does some nasty sort of polling to try and ensure that their
* buffer sizes match the current X state. This state can be updated using
* glViewport(). FIXME: There has to be a better way of doing this.
*/
int[] viewport = new int[4];
GLX.glGetIntegerv(GLX.GL_VIEWPORT, viewport);
GLX.glViewport(viewport[0], viewport[1], viewport[2], viewport[3]);
break;
case SWT.Resize:
Rectangle clientArea = getClientArea();
OS.gdk_window_move(glWindow, clientArea.x, clientArea.y);
OS.gdk_window_resize(glWindow, clientArea.width, clientArea.height);
break;
case SWT.Dispose:
int /*long*/ window = OS.GTK_WIDGET_WINDOW(handle);
int /*long*/ xDisplay = OS.gdk_x11_drawable_get_xdisplay(window);
if (context != 0) {
if (GLX.glXGetCurrentContext() == context) {
GLX.glXMakeCurrent(xDisplay, 0, 0);
}
GLX.glXDestroyContext(xDisplay, context);
context = 0;
}
if (glWindow != 0) {
OS.gdk_window_destroy(glWindow);
glWindow = 0;
}
break;
}
}
};
addListener(SWT.Resize, listener);
addListener(SWT.Paint, listener);
addListener(SWT.Dispose, listener);
}
/**
* Swaps the front and back color buffers.
*
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public void swapBuffers() {
checkWidget();
int /*long*/ window = OS.GTK_WIDGET_WINDOW(handle);
int /*long*/ xDisplay = OS.gdk_x11_drawable_get_xdisplay(window);
GLX.glXSwapBuffers(xDisplay, xWindow);
}
/**
* Returns a boolean indicating whether the receiver's OpenGL context is the current context.
*
* @return true if the receiver holds the current OpenGL context, false otherwise
* @exception SWTException
* <ul>
* <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed
* <li>ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
* </ul>
*/
public boolean isCurrent() {
checkWidget();
return GLX.glXGetCurrentContext() == context;
}
private static X11GLXGraphicsConfiguration chooseGraphicsConfigurationFBConfig(
GLCapabilitiesImmutable capsChosen,
GLCapabilitiesImmutable capsReq,
GLCapabilitiesChooser chooser,
X11GraphicsScreen x11Screen) {
int recommendedIndex = -1;
PointerBuffer fbcfgsL = null;
GLProfile glProfile = capsChosen.getGLProfile();
boolean onscreen = capsChosen.isOnscreen();
boolean usePBuffer = capsChosen.isPBuffer();
// Utilizing FBConfig
//
AbstractGraphicsDevice absDevice = x11Screen.getDevice();
long display = absDevice.getHandle();
int screen = x11Screen.getIndex();
final X11GLXDrawableFactory factory =
(X11GLXDrawableFactory) GLDrawableFactory.getDesktopFactory();
final boolean isMultisampleAvailable = factory.isGLXMultisampleAvailable(absDevice);
int[] attribs =
X11GLXGraphicsConfiguration.GLCapabilities2AttribList(
capsChosen, true, isMultisampleAvailable, display, screen);
int[] count = {-1};
ArrayList /*<X11GLCapabilities>*/ availableCaps = new ArrayList();
final int winattrmask = GLGraphicsConfigurationUtil.getWinAttributeBits(onscreen, usePBuffer);
// 1st choice: get GLCapabilities based on users GLCapabilities setting recommendedIndex as
// preferred choice
fbcfgsL = GLX.glXChooseFBConfig(display, screen, attribs, 0, count, 0);
if (fbcfgsL != null && fbcfgsL.limit() > 0) {
for (int i = 0; i < fbcfgsL.limit(); i++) {
if (!X11GLXGraphicsConfiguration.GLXFBConfig2GLCapabilities(
availableCaps,
glProfile,
display,
fbcfgsL.get(i),
winattrmask,
isMultisampleAvailable)) {
if (DEBUG) {
System.err.println(
"X11GLXGraphicsConfiguration.chooseGraphicsConfigurationFBConfig: FBConfig invalid (1): ("
+ x11Screen
+ ","
+ capsChosen
+ "): fbcfg: "
+ toHexString(fbcfgsL.get(i)));
}
}
}
if (availableCaps.size() > 0) {
recommendedIndex =
capsChosen.isBackgroundOpaque() ? 0 : -1; // only use recommended idx if not translucent
if (DEBUG) {
System.err.println(
"glXChooseFBConfig recommended fbcfg "
+ toHexString(fbcfgsL.get(0))
+ ", idx "
+ recommendedIndex);
System.err.println("user caps " + capsChosen);
System.err.println("fbcfg caps " + availableCaps.get(0));
}
} else if (DEBUG) {
System.err.println(
"glXChooseFBConfig no caps for recommended fbcfg " + toHexString(fbcfgsL.get(0)));
System.err.println("user caps " + capsChosen);
}
}
// 2nd choice: get all GLCapabilities available, no preferred recommendedIndex available
if (0 == availableCaps.size()) {
// reset ..
recommendedIndex = -1;
fbcfgsL = GLX.glXChooseFBConfig(display, screen, null, 0, count, 0);
if (fbcfgsL == null || fbcfgsL.limit() <= 0) {
if (DEBUG) {
System.err.println(
"X11GLXGraphicsConfiguration.chooseGraphicsConfigurationFBConfig: Failed glXChooseFBConfig ("
+ x11Screen
+ ","
+ capsChosen
+ "): "
+ fbcfgsL
+ ", "
+ count[0]);
}
return null;
}
for (int i = 0; i < fbcfgsL.limit(); i++) {
if (!X11GLXGraphicsConfiguration.GLXFBConfig2GLCapabilities(
availableCaps,
glProfile,
display,
fbcfgsL.get(i),
winattrmask,
isMultisampleAvailable)) {
if (DEBUG) {
System.err.println(
"X11GLXGraphicsConfiguration.chooseGraphicsConfigurationFBConfig: FBConfig invalid (2): ("
+ x11Screen
+ "): fbcfg: "
+ toHexString(fbcfgsL.get(i)));
}
}
}
}
int chosenIndex = chooseCapabilities(chooser, capsChosen, availableCaps, recommendedIndex);
if (0 > chosenIndex) {
if (DEBUG) {
System.err.println(
"X11GLXGraphicsConfiguration.chooseGraphicsConfigurationFBConfig: failed, return null");
Thread.dumpStack();
}
return null;
}
X11GLCapabilities chosenCaps = (X11GLCapabilities) availableCaps.get(chosenIndex);
return new X11GLXGraphicsConfiguration(x11Screen, chosenCaps, capsReq, chooser);
}
protected void swapBuffersImpl() {
GLX.glXSwapBuffers(getNativeWindow().getDisplayHandle(), getHandle());
}
private static X11GLXGraphicsConfiguration chooseGraphicsConfigurationXVisual(
GLCapabilitiesImmutable capsChosen,
GLCapabilitiesImmutable capsReq,
GLCapabilitiesChooser chooser,
X11GraphicsScreen x11Screen) {
if (chooser == null) {
chooser = new DefaultGLCapabilitiesChooser();
}
GLProfile glProfile = capsChosen.getGLProfile();
final int winattrmask =
GLGraphicsConfigurationUtil.getWinAttributeBits(
capsChosen.isOnscreen(), false /* pbuffer */);
ArrayList availableCaps = new ArrayList();
int recommendedIndex = -1;
AbstractGraphicsDevice absDevice = x11Screen.getDevice();
long display = absDevice.getHandle();
int screen = x11Screen.getIndex();
final X11GLXDrawableFactory factory =
(X11GLXDrawableFactory) GLDrawableFactory.getDesktopFactory();
final boolean isMultisampleAvailable = factory.isGLXMultisampleAvailable(absDevice);
int[] attribs =
X11GLXGraphicsConfiguration.GLCapabilities2AttribList(
capsChosen, false, isMultisampleAvailable, display, screen);
// 1st choice: get GLCapabilities based on users GLCapabilities setting recommendedIndex as
// preferred choice
XVisualInfo recommendedVis = GLX.glXChooseVisual(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 " + toHexString(recommendedVis.getVisualid()));
}
}
// 2nd choice: get all GLCapabilities available, preferred recommendedIndex might be available
// if 1st choice was successful
int[] count = new int[1];
XVisualInfo template = XVisualInfo.create();
template.setScreen(screen);
XVisualInfo[] infos =
X11Lib.XGetVisualInfo(display, X11Lib.VisualScreenMask, template, count, 0);
if (infos == null || infos.length < 1) {
throw new GLException("Error while enumerating available XVisualInfos");
}
for (int i = 0; i < infos.length; i++) {
if (!X11GLXGraphicsConfiguration.XVisualInfo2GLCapabilities(
availableCaps, glProfile, display, infos[i], winattrmask, isMultisampleAvailable)) {
if (DEBUG) {
System.err.println(
"X11GLXGraphicsConfiguration.chooseGraphicsConfigurationXVisual: XVisual invalid: ("
+ x11Screen
+ "): fbcfg: "
+ toHexString(infos[i].getVisualid()));
}
} else {
// Attempt to find the visual chosenIndex by glXChooseVisual, if not translucent
if (capsChosen.isBackgroundOpaque()
&& recommendedVis != null
&& recommendedVis.getVisualid() == infos[i].getVisualid()) {
recommendedIndex = availableCaps.size() - 1;
}
}
}
int chosenIndex = chooseCapabilities(chooser, capsChosen, availableCaps, recommendedIndex);
if (0 > chosenIndex) {
if (DEBUG) {
System.err.println(
"X11GLXGraphicsConfiguration.chooseGraphicsConfigurationXVisual: failed, return null");
Thread.dumpStack();
}
return null;
}
X11GLCapabilities chosenCaps = (X11GLCapabilities) availableCaps.get(chosenIndex);
return new X11GLXGraphicsConfiguration(x11Screen, chosenCaps, capsReq, chooser);
}
@Override
public SharedResourceRunner.Resource createSharedResource(
final AbstractGraphicsDevice adevice) {
final X11GraphicsDevice device =
new X11GraphicsDevice(
X11Util.openDisplay(adevice.getConnection()), adevice.getUnitID(), true /* owner */);
GLContextImpl context = null;
boolean contextIsCurrent = false;
device.lock();
try {
final X11GraphicsScreen screen = new X11GraphicsScreen(device, device.getDefaultScreen());
GLXUtil.initGLXClientDataSingleton(device);
final String glXServerVendorName =
GLX.glXQueryServerString(device.getHandle(), 0, GLX.GLX_VENDOR);
final boolean glXServerMultisampleAvailable =
GLXUtil.isMultisampleAvailable(
GLX.glXQueryServerString(device.getHandle(), 0, GLX.GLX_EXTENSIONS));
final GLProfile glp = GLProfile.get(device, GLProfile.GL_PROFILE_LIST_MIN_DESKTOP, false);
if (null == glp) {
throw new GLException("Couldn't get default GLProfile for device: " + device);
}
final GLCapabilitiesImmutable caps = new GLCapabilities(glp);
final GLDrawableImpl drawable =
createOnscreenDrawableImpl(
createDummySurfaceImpl(device, false, caps, caps, null, 64, 64));
drawable.setRealized(true);
final X11GLCapabilities chosenCaps = (X11GLCapabilities) drawable.getChosenGLCapabilities();
final boolean glxForcedOneOne = !chosenCaps.hasFBConfig();
final VersionNumber glXServerVersion;
if (glxForcedOneOne) {
glXServerVersion = versionOneOne;
} else {
glXServerVersion = GLXUtil.getGLXServerVersionNumber(device);
}
context = (GLContextImpl) drawable.createContext(null);
if (null == context) {
throw new GLException("Couldn't create shared context for drawable: " + drawable);
}
contextIsCurrent = GLContext.CONTEXT_NOT_CURRENT != context.makeCurrent();
final boolean allowsSurfacelessCtx;
if (contextIsCurrent && context.getGLVersionNumber().compareTo(GLContext.Version3_0) >= 0) {
allowsSurfacelessCtx = probeSurfacelessCtx(context, true /* restoreDrawable */);
} else {
setNoSurfacelessCtxQuirk(context);
allowsSurfacelessCtx = false;
}
if (context.hasRendererQuirk(GLRendererQuirks.DontCloseX11Display)) {
X11Util.markAllDisplaysUnclosable();
}
if (DEBUG_SHAREDCTX) {
System.err.println("SharedDevice: " + device);
System.err.println("SharedScreen: " + screen);
System.err.println("SharedContext: " + context + ", madeCurrent " + contextIsCurrent);
System.err.println(" allowsSurfacelessCtx " + allowsSurfacelessCtx);
System.err.println("GLX Server Vendor: " + glXServerVendorName);
System.err.println(
"GLX Server Version: " + glXServerVersion + ", forced " + glxForcedOneOne);
System.err.println("GLX Server Multisample: " + glXServerMultisampleAvailable);
System.err.println("GLX Client Vendor: " + GLXUtil.getClientVendorName());
System.err.println("GLX Client Version: " + GLXUtil.getClientVersionNumber());
System.err.println("GLX Client Multisample: " + GLXUtil.isClientMultisampleAvailable());
}
return new SharedResource(
device,
screen,
drawable,
context,
glXServerVersion,
glXServerVendorName,
glXServerMultisampleAvailable && GLXUtil.isClientMultisampleAvailable());
} catch (final Throwable t) {
throw new GLException(
"X11GLXDrawableFactory - Could not initialize shared resources for " + adevice, t);
} finally {
if (contextIsCurrent) {
context.release();
}
device.unlock();
}
}