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jogamp.opengl.x11.glx.X11GLXContext Maven / Gradle / Ivy
/*
* Copyright (c) 2003 Sun Microsystems, Inc. All Rights Reserved.
* Copyright (c) 2010 JogAmp Community. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any kind. ALL
* EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES,
* INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN
* MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR
* ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR
* DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE
* DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY,
* ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF
* SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for use
* in the design, construction, operation or maintenance of any nuclear
* facility.
*
* Sun gratefully acknowledges that this software was originally authored
* and developed by Kenneth Bradley Russell and Christopher John Kline.
*/
package jogamp.opengl.x11.glx;
import java.nio.IntBuffer;
import java.util.HashMap;
import java.util.Map;
import com.jogamp.nativewindow.AbstractGraphicsConfiguration;
import com.jogamp.nativewindow.AbstractGraphicsDevice;
import com.jogamp.nativewindow.NativeSurface;
import com.jogamp.opengl.GLCapabilitiesImmutable;
import com.jogamp.opengl.GLContext;
import com.jogamp.opengl.GLException;
import com.jogamp.opengl.GLProfile;
import jogamp.nativewindow.x11.X11Lib;
import jogamp.nativewindow.x11.X11Util;
import jogamp.opengl.GLContextImpl;
import jogamp.opengl.GLDrawableImpl;
import jogamp.opengl.GLXExtensions;
import com.jogamp.common.ExceptionUtils;
import com.jogamp.common.nio.Buffers;
import com.jogamp.common.util.VersionNumber;
import com.jogamp.gluegen.runtime.ProcAddressTable;
import com.jogamp.gluegen.runtime.opengl.GLProcAddressResolver;
import com.jogamp.nativewindow.x11.X11GraphicsDevice;
import com.jogamp.opengl.GLExtensions;
public class X11GLXContext extends GLContextImpl {
private static final Map extensionNameMap;
private GLXExt _glXExt;
// Table that holds the addresses of the native C-language entry points for
// GLX extension functions.
private GLXExtProcAddressTable glXExtProcAddressTable;
/** 1 MESA, 2 SGI, 0 undefined, -1 none */
private int hasSwapInterval = 0;
private int hasSwapGroupNV = 0;
// This indicates whether the context we have created is indirect
// and therefore requires the toolkit to be locked around all GL
// calls rather than just all GLX calls
protected boolean isDirect;
protected volatile VersionNumber glXServerVersion;
protected volatile boolean isGLXVersionGreaterEqualOneThree;
static {
extensionNameMap = new HashMap();
extensionNameMap.put(GLExtensions.ARB_pbuffer, X11GLXDrawableFactory.GLX_SGIX_pbuffer);
extensionNameMap.put(GLExtensions.ARB_pixel_format, X11GLXDrawableFactory.GLX_SGIX_pbuffer); // good enough
}
X11GLXContext(final GLDrawableImpl drawable,
final GLContext shareWith) {
super(drawable, shareWith);
}
@Override
protected void resetStates(final boolean isInit) {
// no inner state _glXExt=null;
glXExtProcAddressTable = null;
hasSwapInterval = 0;
hasSwapGroupNV = 0;
isDirect = false;
glXServerVersion = null;
isGLXVersionGreaterEqualOneThree = false;
super.resetStates(isInit);
}
@Override
public final ProcAddressTable getPlatformExtProcAddressTable() {
return getGLXExtProcAddressTable();
}
public final GLXExtProcAddressTable getGLXExtProcAddressTable() {
return glXExtProcAddressTable;
}
@Override
public Object getPlatformGLExtensions() {
return getGLXExt();
}
public GLXExt getGLXExt() {
if (_glXExt == null) {
_glXExt = new GLXExtImpl(this);
}
return _glXExt;
}
@Override
protected Map getFunctionNameMap() { return null; }
@Override
protected Map getExtensionNameMap() { return extensionNameMap; }
protected final boolean isGLXVersionGreaterEqualOneThree() { // fast-path: use cached boolean
if(null != glXServerVersion) {
return isGLXVersionGreaterEqualOneThree;
}
glXServerVersion = ((X11GLXDrawableFactory)drawable.getFactoryImpl()).getGLXVersionNumber(drawable.getNativeSurface().getGraphicsConfiguration().getScreen().getDevice());
isGLXVersionGreaterEqualOneThree = null != glXServerVersion ? glXServerVersion.compareTo(X11GLXDrawableFactory.versionOneThree) >= 0 : false;
return isGLXVersionGreaterEqualOneThree;
}
protected final void forceGLXVersionOneOne() {
glXServerVersion = X11GLXDrawableFactory.versionOneOne;
isGLXVersionGreaterEqualOneThree = false;
if(DEBUG) {
System.err.println("X11GLXContext.forceGLXVersionNumber: "+glXServerVersion);
}
}
@Override
public final boolean isGLReadDrawableAvailable() {
return isGLXVersionGreaterEqualOneThree();
}
private final boolean glXMakeContextCurrent(final long dpy, final long writeDrawable, final long readDrawable, final long ctx) {
boolean res = false;
try {
if ( isGLXVersionGreaterEqualOneThree() ) {
// System.err.println(getThreadName() +": X11GLXContext.makeCurrent: obj " + toHexString(hashCode()) + " / ctx "+toHexString(contextHandle)+": ctx "+toHexString(ctx)+", [write "+toHexString(writeDrawable)+", read "+toHexString(readDrawable)+"] - switch");
res = GLX.glXMakeContextCurrent(dpy, writeDrawable, readDrawable, ctx);
} else if ( writeDrawable == readDrawable ) {
// System.err.println(getThreadName() +": X11GLXContext.makeCurrent: obj " + toHexString(hashCode()) + " / ctx "+toHexString(contextHandle)+": ctx "+toHexString(ctx)+", [write "+toHexString(writeDrawable)+"] - switch");
res = GLX.glXMakeCurrent(dpy, writeDrawable, ctx);
} else {
// should not happen due to 'isGLReadDrawableAvailable()' query in GLContextImpl
throw new InternalError("Given readDrawable but no driver support");
}
} catch (final RuntimeException re) {
if( DEBUG_TRACE_SWITCH ) {
System.err.println(getThreadName()+": Warning: X11GLXContext.glXMakeContextCurrent failed: "+re+", with "+
"dpy "+toHexString(dpy)+
", write "+toHexString(writeDrawable)+
", read "+toHexString(readDrawable)+
", ctx "+toHexString(ctx));
re.printStackTrace();
}
}
return res;
}
private final boolean glXReleaseContext(final long dpy) {
boolean res = false;
try {
if ( isGLXVersionGreaterEqualOneThree() ) {
// System.err.println(getThreadName() +": X11GLXContext.releaseCurrent: obj " + toHexString(hashCode()) + " / ctx "+toHexString(contextHandle)+": ctx "+toHexString(ctx)+" - switch");
res = GLX.glXMakeContextCurrent(dpy, 0, 0, 0);
} else {
// System.err.println(getThreadName() +": X11GLXContext.releaseCurrent: obj " + toHexString(hashCode()) + " / ctx "+toHexString(contextHandle)+": ctx "+toHexString(ctx)+" - switch");
res = GLX.glXMakeCurrent(dpy, 0, 0);
}
} catch (final RuntimeException re) {
if( DEBUG_TRACE_SWITCH ) {
System.err.println(getThreadName()+": Warning: X11GLXContext.glXReleaseContext failed: "+re+", with "+
"dpy "+toHexString(dpy));
re.printStackTrace();
}
}
return res;
}
@Override
protected void destroyContextARBImpl(final long ctx) {
final long display = drawable.getNativeSurface().getDisplayHandle();
glXReleaseContext(display);
GLX.glXDestroyContext(display, ctx);
}
private static final int ctx_arb_attribs_idx_major = 0;
private static final int ctx_arb_attribs_idx_minor = 2;
private static final int ctx_arb_attribs_idx_flags = 6;
private static final int ctx_arb_attribs_idx_profile = 8;
private static final int ctx_arb_attribs_rom[] = {
/* 0 */ GLX.GLX_CONTEXT_MAJOR_VERSION_ARB, 0,
/* 2 */ GLX.GLX_CONTEXT_MINOR_VERSION_ARB, 0,
/* 4 */ GLX.GLX_RENDER_TYPE, GLX.GLX_RGBA_TYPE, // default
/* 6 */ GLX.GLX_CONTEXT_FLAGS_ARB, 0,
/* 8 */ 0, 0,
/* 10 */ 0
};
@Override
protected long createContextARBImpl(final long share, final boolean direct, final int ctp, final int major, final int minor) {
updateGLXProcAddressTable();
final GLXExt _glXExt = getGLXExt();
if(DEBUG) {
System.err.println(getThreadName()+": X11GLXContext.createContextARBImpl: "+getGLVersion(major, minor, ctp, "@creation") +
", handle "+toHexString(drawable.getHandle()) + ", share "+toHexString(share)+", direct "+direct+
", glXCreateContextAttribsARB: "+toHexString(glXExtProcAddressTable._addressof_glXCreateContextAttribsARB));
}
final boolean ctBwdCompat = 0 != ( CTX_PROFILE_COMPAT & ctp ) ;
final boolean ctFwdCompat = 0 != ( CTX_OPTION_FORWARD & ctp ) ;
final boolean ctDebug = 0 != ( CTX_OPTION_DEBUG & ctp ) ;
final IntBuffer attribs = Buffers.newDirectIntBuffer(ctx_arb_attribs_rom);
attribs.put(ctx_arb_attribs_idx_major + 1, major);
attribs.put(ctx_arb_attribs_idx_minor + 1, minor);
if ( major > 3 || major == 3 && minor >= 2 ) {
attribs.put(ctx_arb_attribs_idx_profile + 0, GLX.GLX_CONTEXT_PROFILE_MASK_ARB);
if( ctBwdCompat ) {
attribs.put(ctx_arb_attribs_idx_profile + 1, GLX.GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB);
} else {
attribs.put(ctx_arb_attribs_idx_profile + 1, GLX.GLX_CONTEXT_CORE_PROFILE_BIT_ARB);
}
}
if ( major >= 3 ) {
int flags = attribs.get(ctx_arb_attribs_idx_flags + 1);
if( !ctBwdCompat && ctFwdCompat ) {
flags |= GLX.GLX_CONTEXT_FORWARD_COMPATIBLE_BIT_ARB;
}
if( ctDebug ) {
flags |= GLX.GLX_CONTEXT_DEBUG_BIT_ARB;
}
attribs.put(ctx_arb_attribs_idx_flags + 1, flags);
}
final X11GLXGraphicsConfiguration config = (X11GLXGraphicsConfiguration)drawable.getNativeSurface().getGraphicsConfiguration();
final AbstractGraphicsDevice device = config.getScreen().getDevice();
final long display = device.getHandle();
long ctx=0;
try {
// critical path, a remote display might not support this command,
// hence we need to catch the X11 Error within this block.
X11Util.setX11ErrorHandler(true, DEBUG ? false : true); // make sure X11 error handler is set
X11Lib.XSync(display, false);
ctx = _glXExt.glXCreateContextAttribsARB(display, config.getFBConfig(), share, direct, attribs);
} catch (final RuntimeException re) {
if(DEBUG) {
System.err.println(getThreadName()+": Info: X11GLXContext.createContextARBImpl glXCreateContextAttribsARB failed with "+getGLVersion(major, minor, ctp, "@creation"));
ExceptionUtils.dumpThrowable("", re);
}
}
if(0!=ctx) {
if (!glXMakeContextCurrent(display, drawable.getHandle(), drawableRead.getHandle(), ctx)) {
if(DEBUG) {
System.err.println(getThreadName()+": X11GLXContext.createContextARBImpl couldn't make current "+getGLVersion(major, minor, ctp, "@creation"));
}
// release & destroy
glXReleaseContext(display);
GLX.glXDestroyContext(display, ctx);
ctx = 0;
} else if (DEBUG) {
System.err.println(getThreadName() + ": createContextARBImpl: OK "+getGLVersion(major, minor, ctp, "@creation")+", share "+share+", direct "+direct);
}
} else if (DEBUG) {
System.err.println(getThreadName() + ": createContextARBImpl: NO "+getGLVersion(major, minor, ctp, "@creation"));
}
return ctx;
}
@Override
protected boolean createImpl(final long shareWithHandle) {
boolean direct = true; // try direct always
isDirect = false; // fall back
final X11GLXDrawableFactory factory = (X11GLXDrawableFactory)drawable.getFactoryImpl();
final X11GLXGraphicsConfiguration config = (X11GLXGraphicsConfiguration)drawable.getNativeSurface().getGraphicsConfiguration();
final AbstractGraphicsDevice device = config.getScreen().getDevice();
final X11GLXContext sharedContext = (X11GLXContext) factory.getOrCreateSharedContext(device);
final long display = device.getHandle();
if ( 0 != shareWithHandle ) {
direct = GLX.glXIsDirect(display, shareWithHandle);
}
final GLCapabilitiesImmutable glCaps = (GLCapabilitiesImmutable) config.getChosenCapabilities();
final GLProfile glp = glCaps.getGLProfile();
if( !config.hasFBConfig() ) {
// not able to use FBConfig -> GLX 1.1
forceGLXVersionOneOne();
if( glp.isGL3() ) {
throw new GLException(getThreadName()+": Unable to create OpenGL >= 3.1 context w/o FBConfig");
}
contextHandle = GLX.glXCreateContext(display, config.getXVisualInfo(), shareWithHandle, direct);
if ( 0 == contextHandle ) {
throw new GLException(getThreadName()+": Unable to create context(0)");
}
if ( !glXMakeContextCurrent(display, drawable.getHandle(), drawableRead.getHandle(), contextHandle) ) {
throw new GLException(getThreadName()+": Error making temp context(0) current: display "+toHexString(display)+", context "+toHexString(contextHandle)+", drawable "+drawable);
}
if( !setGLFunctionAvailability(true, 0, 0, CTX_PROFILE_COMPAT, false /* strictMatch */, null == sharedContext /* withinGLVersionsMapping */) ) { // use GL_VERSION
glXReleaseContext(display); // release temp context
GLX.glXDestroyContext(display, contextHandle);
contextHandle = 0;
throw new InternalError("setGLFunctionAvailability !strictMatch failed.1");
}
isDirect = GLX.glXIsDirect(display, contextHandle);
if (DEBUG) {
System.err.println(getThreadName() + ": createContextImpl: OK (old-1) share "+toHexString(shareWithHandle)+", direct "+isDirect+"/"+direct);
}
return true;
}
boolean createContextARBTried = false;
// utilize the shared context's GLXExt in case it was using the ARB method and it already exists
if( null != sharedContext && sharedContext.isCreatedWithARBMethod() ) {
contextHandle = createContextARB(shareWithHandle, direct);
createContextARBTried = true;
if ( DEBUG && 0 != contextHandle ) {
System.err.println(getThreadName() + ": createContextImpl: OK (ARB, using sharedContext) share "+toHexString(shareWithHandle));
}
}
final long temp_ctx;
if( 0 == contextHandle ) {
// To use GLX_ARB_create_context, we have to make a temp context current,
// so we are able to use GetProcAddress
temp_ctx = GLX.glXCreateNewContext(display, config.getFBConfig(), GLX.GLX_RGBA_TYPE, shareWithHandle, direct);
if ( 0 == temp_ctx ) {
throw new GLException(getThreadName()+": Unable to create temp OpenGL context(1)");
}
if ( !glXMakeContextCurrent(display, drawable.getHandle(), drawableRead.getHandle(), temp_ctx) ) {
throw new GLException(getThreadName()+": Error making temp context(1) current: display "+toHexString(display)+", context "+toHexString(temp_ctx)+", drawable "+drawable);
}
if( !setGLFunctionAvailability(true, 0, 0, CTX_PROFILE_COMPAT, false /* strictMatch */, null == sharedContext /* withinGLVersionsMapping */) ) { // use GL_VERSION
glXReleaseContext(display); // release temp context
GLX.glXDestroyContext(display, temp_ctx);
throw new InternalError("setGLFunctionAvailability !strictMatch failed.2");
}
glXReleaseContext(display); // release temp context
if( !createContextARBTried ) {
// is*Available calls are valid since setGLFunctionAvailability(..) was called
final boolean isProcCreateContextAttribsARBAvailable = isFunctionAvailable("glXCreateContextAttribsARB");
final boolean isExtARBCreateContextAvailable = isExtensionAvailable("GLX_ARB_create_context");
if ( isProcCreateContextAttribsARBAvailable && isExtARBCreateContextAvailable ) {
// initial ARB context creation
contextHandle = createContextARB(shareWithHandle, direct);
createContextARBTried=true;
if (DEBUG) {
if( 0 != contextHandle ) {
System.err.println(getThreadName() + ": createContextImpl: OK (ARB, initial) share "+toHexString(shareWithHandle));
} else {
System.err.println(getThreadName() + ": createContextImpl: NOT OK (ARB, initial) - creation failed - share "+toHexString(shareWithHandle));
}
}
} else if( DEBUG ) {
System.err.println(getThreadName() + ": createContextImpl: NOT OK (ARB, initial) - extension not available - share "+toHexString(shareWithHandle)+
", isProcCreateContextAttribsARBAvailable "+isProcCreateContextAttribsARBAvailable+
", isExtGLXARBCreateContextAvailable "+isExtARBCreateContextAvailable);
}
}
} else {
temp_ctx = 0;
}
if( 0 != contextHandle ) {
if( 0 != temp_ctx ) {
glXReleaseContext(display);
GLX.glXDestroyContext(display, temp_ctx);
if ( !glXMakeContextCurrent(display, drawable.getHandle(), drawableRead.getHandle(), contextHandle) ) {
throw new GLException(getThreadName()+": Cannot make previous verified context current");
}
}
} else {
if( glp.isGL3() && createContextARBTried ) {
// We shall not allow context creation >= GL3 w/ non ARB methods if ARB is used,
// otherwise context of similar profile but different creation method may not be share-able.
glXReleaseContext(display);
GLX.glXDestroyContext(display, temp_ctx);
throw new GLException(getThreadName()+": X11GLXContext.createContextImpl ARB n/a but required, profile > GL2 requested (OpenGL >= 3.1). Requested: "+glp+", current: "+getGLVersion());
}
if(DEBUG) {
System.err.println(getThreadName()+": X11GLXContext.createContextImpl ARB not used, fall back to !ARB context "+getGLVersion());
}
// continue with temp context
contextHandle = temp_ctx;
if ( !glXMakeContextCurrent(display, drawable.getHandle(), drawableRead.getHandle(), contextHandle) ) {
glXReleaseContext(display);
GLX.glXDestroyContext(display, temp_ctx);
throw new GLException(getThreadName()+": Error making context(1) current: display "+toHexString(display)+", context "+toHexString(contextHandle)+", drawable "+drawable);
}
if (DEBUG) {
System.err.println(getThreadName() + ": createContextImpl: OK (old-2) share "+toHexString(shareWithHandle));
}
}
isDirect = GLX.glXIsDirect(display, contextHandle);
if (DEBUG) {
System.err.println(getThreadName() + ": createContextImpl: OK direct "+isDirect+"/"+direct);
}
return true;
}
@Override
protected void makeCurrentImpl() throws GLException {
final long dpy = drawable.getNativeSurface().getDisplayHandle();
if ( !glXMakeContextCurrent(dpy, drawable.getHandle(), drawableRead.getHandle(), contextHandle) ) {
throw new GLException("Error making context " + toHexString(contextHandle) +
" current on Thread " + getThreadName() +
" with display " + toHexString(dpy) +
", drawableWrite " + toHexString(drawable.getHandle()) +
", drawableRead "+ toHexString(drawableRead.getHandle()) +
" - " + this);
}
}
@Override
protected void releaseImpl() throws GLException {
final long display = drawable.getNativeSurface().getDisplayHandle();
if ( !glXReleaseContext(display) ) {
throw new GLException(getThreadName()+": Error freeing OpenGL context");
}
}
@Override
protected void destroyImpl() throws GLException {
destroyContextARBImpl(contextHandle);
}
@Override
protected void copyImpl(final GLContext source, final int mask) throws GLException {
final long dst = getHandle();
final long src = source.getHandle();
final long display = drawable.getNativeSurface().getDisplayHandle();
if (0 == display) {
throw new GLException(getThreadName()+": Connection to X display not yet set up");
}
GLX.glXCopyContext(display, src, dst, mask);
// Should check for X errors and raise GLException
}
@Override
protected final void updateGLXProcAddressTable() {
final AbstractGraphicsConfiguration aconfig = drawable.getNativeSurface().getGraphicsConfiguration();
final AbstractGraphicsDevice adevice = aconfig.getScreen().getDevice();
final String key = "GLX-"+adevice.getUniqueID();
if (DEBUG) {
System.err.println(getThreadName() + ": Initializing GLX extension address table: "+key);
}
ProcAddressTable table = null;
synchronized(mappedContextTypeObjectLock) {
table = mappedGLXProcAddress.get( key );
}
if(null != table) {
glXExtProcAddressTable = (GLXExtProcAddressTable) table;
if(DEBUG) {
System.err.println(getThreadName() + ": GLContext GLX ProcAddressTable reusing key("+key+") -> "+toHexString(table.hashCode()));
}
} else {
glXExtProcAddressTable = new GLXExtProcAddressTable(new GLProcAddressResolver());
resetProcAddressTable(getGLXExtProcAddressTable());
synchronized(mappedContextTypeObjectLock) {
mappedGLXProcAddress.put(key, getGLXExtProcAddressTable());
if(DEBUG) {
System.err.println(getThreadName() + ": GLContext GLX ProcAddressTable mapping key("+key+") -> "+toHexString(getGLXExtProcAddressTable().hashCode()));
}
}
}
}
@Override
protected final StringBuilder getPlatformExtensionsStringImpl() {
final NativeSurface ns = drawable.getNativeSurface();
final X11GraphicsDevice x11Device = (X11GraphicsDevice) ns.getGraphicsConfiguration().getScreen().getDevice();
final StringBuilder sb = new StringBuilder();
x11Device.lock();
try{
if (DEBUG) {
System.err.println("GLX Version client "+ GLXUtil.getClientVersionNumber()+
", server: "+ GLXUtil.getGLXServerVersionNumber(x11Device));
}
if(((X11GLXDrawableFactory)drawable.getFactoryImpl()).isGLXVersionGreaterEqualOneOne(x11Device)) {
{
final String ret = GLX.glXGetClientString(x11Device.getHandle(), GLX.GLX_EXTENSIONS);
if (DEBUG) {
System.err.println("GLX extensions (glXGetClientString): " + ret);
}
sb.append(ret).append(" ");
}
{
final String ret = GLX.glXQueryExtensionsString(x11Device.getHandle(), ns.getScreenIndex());
if (DEBUG) {
System.err.println("GLX extensions (glXQueryExtensionsString): " + ret);
}
sb.append(ret).append(" ");
}
{
final String ret = GLX.glXQueryServerString(x11Device.getHandle(), ns.getScreenIndex(), GLX.GLX_EXTENSIONS);
if (DEBUG) {
System.err.println("GLX extensions (glXQueryServerString): " + ret);
}
sb.append(ret).append(" ");
}
}
} finally {
x11Device.unlock();
}
return sb;
}
@Override
protected boolean setSwapIntervalImpl(final int interval) {
if( !drawable.getChosenGLCapabilities().isOnscreen() ) { return false; }
final GLXExt glXExt = getGLXExt();
if(0==hasSwapInterval) {
try {
/** Same impl. ..
if( glXExt.isExtensionAvailable(GLXExtensions.GLX_MESA_swap_control) ) {
if(DEBUG) { System.err.println("X11GLXContext.setSwapInterval using: "+GLXExtensions.GLX_MESA_swap_control); }
hasSwapInterval = 1;
} else */
if ( glXExt.isExtensionAvailable(GLXExtensions.GLX_SGI_swap_control) ) {
if(DEBUG) { System.err.println("X11GLXContext.setSwapInterval using: "+GLXExtensions.GLX_SGI_swap_control); }
hasSwapInterval = 2;
} else {
hasSwapInterval = -1;
}
} catch (final Throwable t) { hasSwapInterval=-1; }
}
/* try {
switch( hasSwapInterval ) {
case 1:
return 0 == glXExt.glXSwapIntervalMESA(interval);
case 2:
return 0 == glXExt.glXSwapIntervalSGI(interval);
}
} catch (Throwable t) { hasSwapInterval = -1; } */
if (2 == hasSwapInterval) {
try {
return 0 == glXExt.glXSwapIntervalSGI(interval);
} catch (final Throwable t) { hasSwapInterval=-1; }
}
return false;
}
private final int initSwapGroupImpl(final GLXExt glXExt) {
if(0==hasSwapGroupNV) {
try {
hasSwapGroupNV = glXExt.isExtensionAvailable(GLXExtensions.GLX_NV_swap_group)?1:-1;
} catch (final Throwable t) { hasSwapGroupNV=1; }
if(DEBUG) {
System.err.println("initSwapGroupImpl: "+GLXExtensions.GLX_NV_swap_group+": "+hasSwapGroupNV);
}
}
return hasSwapGroupNV;
}
@Override
protected final boolean queryMaxSwapGroupsImpl(final int[] maxGroups, final int maxGroups_offset,
final int[] maxBarriers, final int maxBarriers_offset) {
boolean res = false;
final GLXExt glXExt = getGLXExt();
if (initSwapGroupImpl(glXExt)>0) {
final NativeSurface ns = drawable.getNativeSurface();
try {
final IntBuffer maxGroupsNIO = Buffers.newDirectIntBuffer(maxGroups.length - maxGroups_offset);
final IntBuffer maxBarriersNIO = Buffers.newDirectIntBuffer(maxBarriers.length - maxBarriers_offset);
if( glXExt.glXQueryMaxSwapGroupsNV(ns.getDisplayHandle(), ns.getScreenIndex(),
maxGroupsNIO, maxBarriersNIO) ) {
maxGroupsNIO.get(maxGroups, maxGroups_offset, maxGroupsNIO.remaining());
maxBarriersNIO.get(maxGroups, maxGroups_offset, maxBarriersNIO.remaining());
res = true;
}
} catch (final Throwable t) { hasSwapGroupNV=-1; }
}
return res;
}
@Override
protected final boolean joinSwapGroupImpl(final int group) {
boolean res = false;
final GLXExt glXExt = getGLXExt();
if (initSwapGroupImpl(glXExt)>0) {
try {
if( glXExt.glXJoinSwapGroupNV(drawable.getNativeSurface().getDisplayHandle(), drawable.getHandle(), group) ) {
currentSwapGroup = group;
res = true;
}
} catch (final Throwable t) { hasSwapGroupNV=-1; }
}
return res;
}
@Override
protected final boolean bindSwapBarrierImpl(final int group, final int barrier) {
boolean res = false;
final GLXExt glXExt = getGLXExt();
if (initSwapGroupImpl(glXExt)>0) {
try {
if( glXExt.glXBindSwapBarrierNV(drawable.getNativeSurface().getDisplayHandle(), group, barrier) ) {
res = true;
}
} catch (final Throwable t) { hasSwapGroupNV=-1; }
}
return res;
}
@Override
public String toString() {
final StringBuilder sb = new StringBuilder();
sb.append(getClass().getSimpleName());
sb.append(" [");
super.append(sb);
sb.append(", direct ");
sb.append(isDirect);
sb.append("] ");
return sb.toString();
}
//----------------------------------------------------------------------
// Internals only below this point
//
}
