JOGL 2.3.2 · com.jogamp.opengl.GLContext

Field Summary

Modifier and Type	Field and Description
private final HashMap<String, Object>	attachedObjects
public static final int	CONTEXT_CURRENT Indicates that the context was made current during the last call to `makeCurrent`, value .
public static final int	CONTEXT_CURRENT_NEW Indicates that a newly-created context was made current during the last call to `makeCurrent`, value .
public static final int	CONTEXT_NOT_CURRENT Indicates that the context was not made current during the last call to `makeCurrent`, value .
protected volatile long	contextHandle The underlying native OpenGL context
protected static final int	CTX_IMPL_ACCEL_SOFT Context uses software rasterizer, otherwise hardware rasterizer.
protected static final int	CTX_IMPL_CACHE_MASK Context option bits, cached bit mask covering 10 bits [0..9], i.e. `0x000003FF`, .
protected static final int	CTX_IMPL_ES2_COMPAT `GL_ARB_ES2_compatibility` implementation related: Context is compatible w/ ES2.
protected static final int	CTX_IMPL_ES31_COMPAT `GL_ARB_ES3_1_compatibility` implementation related: Context is compatible w/ ES 3.1.
protected static final int	CTX_IMPL_ES32_COMPAT `GL_ARB_ES3_2_compatibility` implementation related: Context is compatible w/ ES 3.2.
protected static final int	CTX_IMPL_ES3_COMPAT `GL_ARB_ES3_compatibility` implementation related: Context is compatible w/ ES3.
protected static final int	CTX_IMPL_FBO Context supports basic FBO, details see `hasBasicFBOSupport()`.
protected static final int	CTX_IMPL_FP32_COMPAT_API Context supports `OES_single_precision`, fp32, fixed function point (FFP) compatibility entry points, see `hasFP32CompatAPI()`.
protected static final int	CTX_IMPL_FULL_MASK Context option bits, full bit mask covering 16 bits [0..15], i.e. `0x0000FFFF`, .
protected static final int	CTX_IS_ARB_CREATED `ARB_create_context` related: created via ARB_create_context.
public static final int	CTX_OPTION_DEBUG `ARB_create_context` related: flag debug.
protected static final int	CTX_OPTION_FORWARD `ARB_create_context` related: flag forward compatible.
protected static final int	CTX_PROFILE_COMPAT `ARB_create_context` related: desktop compatibility profile.
protected static final int	CTX_PROFILE_CORE `ARB_create_context` related: desktop core profile.
protected static final int	CTX_PROFILE_ES `ARB_create_context` related: ES profile.
protected VersionNumber	ctxGLSLVersion
protected int	ctxOptions
protected VersionNumberString	ctxVendorVersion
protected VersionNumber	ctxVersion
protected String	ctxVersionString
private static final ThreadLocal<GLContext>	currentContext
protected int	currentSwapGroup
public static final boolean	DEBUG
public static final boolean	DEBUG_GL Reflects property jogl.debug.DebugGL.
public static final boolean	DEBUG_TRACE_SWITCH
protected static final IdentityHashMap<String, Integer>	deviceVersionAvailable
private static final IdentityHashMap<String, String>	deviceVersionsAvailableSet
protected boolean	drawableRetargeted Did the drawable association changed ?
public static final int[][]	ES_VERSIONS
protected static final boolean	FORCE_MIN_FBO_SUPPORT
protected static final boolean	FORCE_NO_COLOR_RENDERBUFFER
protected static final boolean	FORCE_NO_FBO_SUPPORT
public static final int[][]	GL_VERSIONS
protected GLRendererQuirks	glRendererQuirks
protected final RecursiveLock	lock
public static final boolean	PROFILE_ALIASING If `true` (default), bootstrapping the available GL profiles will use the highest compatible GL context for each profile, hence skipping querying lower profiles if a compatible higher one is found: 4.2-core -> 4.2-core, 3.3-core 4.2-comp -> 4.2-comp, 3.3-comp, 2
private static final String	S_EMPTY
public static final boolean	TRACE_GL Reflects property jogl.debug.TraceGL.
public static final boolean	TRACE_SWITCH
public static final VersionNumber	Version1_0 Version 1.00, i.e. GLSL 1.00 for ES 2.0.
public static final VersionNumber	Version1_1 Version 1.1, i.e. GL 1.1
public static final VersionNumber	Version1_10 Version 1.10, i.e. GLSL 1.10 for GL 2.0.
public static final VersionNumber	Version1_2 Version 1.2, i.e. GL 1.2
public static final VersionNumber	Version1_20 Version 1.20, i.e. GLSL 1.20 for GL 2.1.
public static final VersionNumber	Version1_30 Version 1.30, i.e. GLSL 1.30 for GL 3.0.
public static final VersionNumber	Version1_4 Version 1.4, i.e. GL 1.4
public static final VersionNumber	Version1_40 Version 1.40, i.e. GLSL 1.40 for GL 3.1.
public static final VersionNumber	Version1_5 Version 1.5, i.e. GL 1.5
public static final VersionNumber	Version1_50 Version 1.50, i.e. GLSL 1.50 for GL 3.2.
public static final VersionNumber	Version3_0 Version 3.0.
public static final VersionNumber	Version3_1 Version 3.1.
public static final VersionNumber	Version3_2 Version 3.2.
public static final VersionNumber	Version4_3 Version 4.3.
protected static final VersionNumber	Version8_0

Access	Constructor and Description
protected	GLContext()

Method Summary

Modifier and Type	Method and Description
public abstract void	addGLDebugListener(GLDebugListener `GLDebugListener` handling `GLDebugMessage`s listener) Add `GLDebugListener`.
public final StringBuilder	append(final StringBuilder sb)
private static boolean	appendString(final StringBuilder sb, final String string, boolean needColon, final boolean condition)
public final Object	attachObject(final String name, final Object obj) Sets the attached user object for the given name to this GLContext.
public final boolean	bindSwapBarrier(final int group, final int barrier)
protected boolean	bindSwapBarrierImpl(final int group, final int barrier)
public static final boolean	Returns: true if clipped, i.e. given value exceeds maximum, otherwise false. clipGLVersion(final int ctxProfile, final int[] major, final int[] minor) Clip the given GL version to the maximum known valid version if exceeding.
protected static int	composeBits(final int a8, final int b8, final int c16)
public abstract void	copy(GLContext the source OpenGL context from which to copy state source, int a mask of symbolic names indicating which groups of state to copy mask) Copies selected groups of OpenGL state variables from the supplied source context into this one.
protected static VersionNumber	decomposeBits(final int bits32, final int[] ctp)
public static final boolean	decrementGLVersion(final int ctxProfile, final int[] major, final int[] minor) Decrement the given GL version by one and return true if still valid, otherwise false.
public abstract void	destroy() Destroys this OpenGL context and frees its associated resources.
public final Object	detachObject(final String name)
protected static StringBuilder	dumpAvailableGLVersions(StringBuilder sb)
public abstract void	enableGLDebugMessage(boolean If true enables, otherwise disables the GLDebugOutput feature. enable) Enables or disables the GLDebugOutput feature of extension `GLExtensions#ARB_debug_output` or `GLExtensions#AMD_debug_output`, if available.
public final Object	getAttachedObject(final String name) Returns the attached user object for the given name to this GLContext.
protected static final int	Returns: the GLProfile's context property (CTP) if available, otherwise `0` getAvailableContextProperties(final AbstractGraphicsDevice the device the context profile is being requested for device, final GLProfile the GLProfile the context profile is being requested for glp)
protected static GLProfile	Returns: the highest GLProfile for the device regarding availability, version and profile bits. getAvailableGLProfile(final AbstractGraphicsDevice the device the profile is being requested device, final int Key Value either 1, 2, 3 or 4 reqMajor, final int Key Value either `CTX_PROFILE_COMPAT`, `CTX_PROFILE_CORE` or `CTX_PROFILE_ES` reqProfile)
pack-priv static String	Returns: the highest GLProfile name for the device regarding availability, version and profile bits. getAvailableGLProfileName(final AbstractGraphicsDevice the device the profile is being requested device, final int Key Value either 1, 2, 3 or 4 reqMajor, final int Key Value either `CTX_PROFILE_COMPAT`, `CTX_PROFILE_CORE` or `CTX_PROFILE_ES` reqProfile)
protected static Integer	Returns: the available GL version as encoded with {@link #composeBits(int, int, int), otherwise `null` getAvailableGLVersion(final AbstractGraphicsDevice the device to request whether the profile is available for device, final int Key Value either 1, 2, 3 or 4 reqMajor, final int Key Value either `CTX_PROFILE_COMPAT`, `CTX_PROFILE_CORE` or `CTX_PROFILE_ES` reqProfile)
protected static boolean	getAvailableGLVersion(final AbstractGraphicsDevice device, final int Key Value either 1, 2, 3 or 4 reqMajor, final int Key Value either `CTX_PROFILE_COMPAT`, `CTX_PROFILE_CORE` or `CTX_PROFILE_ES` reqProfile, final int[] if not null, returns the used major version major, final int[] if not null, returns the used minor version minor, final int[] if not null, returns the used context profile ctp)
protected static String	getAvailableGLVersionAsString(final AbstractGraphicsDevice the device the profile is being requested device, final int Key Value either 1, 2, 3 or 4 major, final int Key Value either `CTX_PROFILE_COMPAT`, `CTX_PROFILE_CORE` or `CTX_PROFILE_ES` profile)
protected static boolean	getAvailableGLVersionsSet(final AbstractGraphicsDevice device)
public abstract int	getBoundFramebuffer(int target) Return the framebuffer name bound to this context, see `GL#glBindFramebuffer(int, int)`.
public abstract int	Returns: Additional context creation flags, supported: `GLContext#CTX_OPTION_DEBUG`. getContextCreationFlags()
public final List<GLContext>	getCreatedShares() Returns a new list of created GLContext shared with this GLContext.
public static GLContext	Returns: the context current on this thread, or null if no context is current. getCurrent() Returns this thread current context.
public static GL	Returns: the current context's GL object on this thread getCurrentGL() Returns the GL object bound to this thread current context.
public abstract int	getDefaultDrawFramebuffer() Return the default draw framebuffer name.
public abstract int	getDefaultPixelDataFormat() Get the default pixel data format, as required by e.g. `GL#glReadPixels(int, int, int, int, int, int, java.nio.Buffer)`.
public abstract int	getDefaultPixelDataType() Get the default pixel data type, as required by e.g. `GL#glReadPixels(int, int, int, int, int, int, java.nio.Buffer)`.
public abstract int	getDefaultReadBuffer() Returns the default color buffer within the current bound `getDefaultReadFramebuffer()`, i.e. GL_READ_FRAMEBUFFER, which will be used as the source for pixel reading commands, like `glReadPixels` etc. For offscreen framebuffer objects this is `GL#GL_COLOR_ATTACHMENT0`, otherwise this is `GL#GL_FRONT` for single buffer configurations and `GL#GL_BACK` for double buffer configurations.
public abstract int	getDefaultReadFramebuffer() Return the default read framebuffer name.
public abstract int	getDefaultVAO() If this GLContext does not implement a default VAO, see `hasNoDefaultVAO()`, an own default VAO will be created and bound at context creation.
public final List<GLContext>	getDestroyedShares() Returns a new list of destroyed GLContext shared with this GLContext.
protected static String	getDeviceVersionAvailableKey(final AbstractGraphicsDevice device, final int major, final int profile) Returns a unique String object using `String#intern()` for the given arguments, which object reference itself can be used as a key.
public abstract GL	Returns: the aggregated GL instance, or null if this context was not yet made current. getGL() Returns the GL pipeline object for this GLContext.
private static final int	getGL3ctp(final AbstractGraphicsDevice device)
public abstract String	Returns: The extension implementing the GLDebugOutput feature, either `GLExtensions#ARB_debug_output` or `GLExtensions#AMD_debug_output`. If unavailable or called before initialized via `makeCurrent()`, null is returned. getGLDebugMessageExtension()
public abstract GLDrawable	getGLDrawable() Returns the write-drawable this context uses for framebuffer operations.
public abstract int	getGLExtensionCount() Returns the number of OpenGL extensions
public abstract String	getGLExtensionsString() Returns a non-null (but possibly empty) string containing the space-separated list of available extensions.
protected static String	getGLProfile(final int major, final int minor, final int ctp) returns the highest GLProfile string regarding the implementation version and context profile bits.
protected static StringBuilder	getGLProfile(final StringBuilder sb, final int ctp)
public abstract GLDrawable	getGLReadDrawable() Returns the read-Drawable this context uses for read framebuffer operations.
public final VersionNumber	Returns: GLSL version number if context has been made current at least once, otherwise the `zero version` instance is returned. getGLSLVersionNumber() Returns the matching GLSL version number, queried by this context GL via `GL2ES2#GL_SHADING_LANGUAGE_VERSION` if ≥ ES2.0 or GL2.0, otherwise a static match is being utilized.
public final String	getGLSLVersionString() Returns the GLSL version string as to be used in a shader program, including a terminating newline '\n', i.e. for desktop #version 110 ..
public final VersionNumberString	getGLVendorVersionNumber() Returns the vendor's version, i.e. version number at the end of `GL_VERSION` not being the GL version.
public final String	getGLVersion() Returns a valid OpenGL version string, ie major.minor ([option]?[options,]*) - gl-version
protected static StringBuilder	getGLVersion(final StringBuilder sb, final VersionNumber version, final int ctp, final String gl_version)
protected static StringBuilder	getGLVersion(final StringBuilder sb, final int major, final int minor, final int ctp, final String gl_version)
protected static String	getGLVersion(final int major, final int minor, final int ctp, final String gl_version)
public final VersionNumber	getGLVersionNumber() Returns this context OpenGL version.
public final long	getHandle() Returns the underlying native OpenGL context handle
public static final int	getMaxMajor(final int ctxProfile)
public static final int	getMaxMinor(final int ctxProfile, final int major)
public final int	getMaxRenderbufferSamples() Returns the maximum number of FBO RENDERBUFFER samples if `full FBO is supported`, otherwise false.
public abstract int	getPlatformExtensionCount() Returns the number of platform extensions
public abstract String	getPlatformExtensionsString() Returns a non-null (but possibly empty) string containing the space-separated list of available platform-dependent (e.g., WGL, GLX) extensions.
public final GLRendererQuirks	Returns: instance of `GLRendererQuirks` if context was made current once, otherwise `null`. getRendererQuirks() Returns the instance of `GLRendererQuirks`, allowing one to determine workarounds.
protected static final void	getRequestMajorAndCompat(final GLProfile glp, final int[] reqMajorCTP) Returns the GLProfile's major version number at reqMajorCTP[0] and it's context property (CTP) at reqMajorCTP[1] for availability mapping request.
public abstract GL	getRootGL() Returns the implementing root GL instance of this GLContext's GL object, considering a wrapped pipelined hierarchy, see `GLBase#getDownstreamGL()`.
public final GLContext	getSharedMaster() Returns the shared master GLContext of this GLContext if shared, otherwise return `null`.
protected static final VersionNumber	getStaticGLSLVersionNumber(final int glMajorVersion, final int glMinorVersion, final int ctxOptions)
public int	getSwapGroup()
public int	getSwapInterval() Return the current swap interval.
protected static String	getThreadName()
public abstract void	glDebugMessageControl(int source, int type, int severity, int count, IntBuffer ids, boolean enabled) Generic entry for `GL2GL3#glDebugMessageControl(int, int, int, int, IntBuffer, boolean)` and `GL2GL3#glDebugMessageEnableAMD(int, int, int, IntBuffer, boolean)` of the GLDebugOutput feature.
public abstract void	glDebugMessageControl(int source, int type, int severity, int count, int[] ids, int ids_offset, boolean enabled) Generic entry for `GL2GL3#glDebugMessageControl(int, int, int, int, int[], int, boolean)` and `GL2GL3#glDebugMessageEnableAMD(int, int, int, int[], int, boolean)` of the GLDebugOutput feature.
public abstract void	glDebugMessageInsert(int source, int type, int id, int severity, String buf) Generic entry for `GL2GL3#glDebugMessageInsert(int, int, int, int, int, String)` and `GL2GL3#glDebugMessageInsertAMD(int, int, int, int, String)` of the GLDebugOutput feature.
public final boolean	hasBasicFBOSupport() Returns `true` if basic FBO support is available, otherwise `false`.
public final boolean	hasFP32CompatAPI() Returns `true` if `OES_single_precision`, fp32, fixed function point (FFP) compatibility entry points available, otherwise `false`.
public final boolean	hasFullFBOSupport() Returns `true` if full FBO support is available, otherwise `false`.
public final boolean	Returns: true if context supports GLSL, i.e. is either `isGLES3()`, `isGLES2()`, `isGL3()` or `isGL2()` and major-version > 1. hasGLSL()
public final boolean	hasNoDefaultVAO() Indicates whether this GLContext's native profile does not implement a default vertex array object (VAO), starting w/ OpenGL 3.1 core.
public final boolean	hasRendererQuirk(final int the quirk to be tested, e.g. `GLRendererQuirks#NoDoubleBufferedPBuffer`. quirk) Returns true if the `quirk` exist in `getRendererQuirks()`, otherwise false.
public final boolean	isCPUDataSourcingAvail() Indicates whether this GLContext allows CPU data sourcing (indices, vertices ..) as opposed to using a GPU buffer source (VBO), e.g. `GL2#glDrawElements(int, int, int, java.nio.Buffer)`.
public final boolean	isCreated() Indicates whether the underlying native OpenGL context has been created.
public final boolean	isCreatedWithARBMethod()
public final boolean	Returns: true if this GLContext is current on this thread isCurrent()
public abstract boolean	isExtensionAvailable(String the name of the OpenGL extension (e.g., "GL_VERTEX_PROGRAM_ARB"). glExtensionName) Returns true if the specified OpenGL extension can be successfully called using this GL context given the current host (OpenGL client) and display (OpenGL server) configuration.
public static final boolean	isFBOAvailable(final AbstractGraphicsDevice the device to request whether FBO is available for device, final GLProfile `GLProfile` to check for FBO capabilities glp) Returns true if it is possible to create an framebuffer object (FBO).
public abstract boolean	isFunctionAvailable(String the name of the OpenGL function (e.g., use "glPolygonOffsetEXT" or "glPolygonOffset" to check if the `com.jogamp.opengl.GL#glPolygonOffset(float, float)` is available). glFunctionName) Returns true if the specified OpenGL core- or extension-function can be successfully called using this GL context given the current host (OpenGL client) and display (OpenGL server) configuration.
public final boolean	isGL2() Indicates whether this GLContext is capable of GL2.
public static boolean	isGL2Available(final AbstractGraphicsDevice device, final boolean[] isHardware)
public final boolean	isGL2ES1() Indicates whether this GLContext is capable of GL2ES1.
public final boolean	isGL2ES2() Indicates whether this GLContext is capable of GL2ES2.
public final boolean	isGL2ES3() Indicates whether this GLContext is capable of GL2ES3.
public final boolean	isGL2GL3() Indicates whether this GLContext is capable of GL2GL3.
public final boolean	isGL3() Indicates whether this GLContext is capable of GL3.
public static boolean	isGL3Available(final AbstractGraphicsDevice device, final boolean[] isHardware)
public final boolean	isGL3bc() Indicates whether this GLContext is capable of GL3bc.
public static boolean	isGL3bcAvailable(final AbstractGraphicsDevice device, final boolean[] isHardware)
public final boolean	isGL3core() Indicates whether this GLContext uses a GL3 core profile.
public final boolean	isGL3ES3() Indicates whether this GLContext is capable of GL3ES3.
public final boolean	isGL4() Indicates whether this GLContext is capable of GL4.
public static boolean	isGL4Available(final AbstractGraphicsDevice device, final boolean[] isHardware)
public final boolean	isGL4bc() Indicates whether this GLContext is capable of GL4bc.
public static boolean	isGL4bcAvailable(final AbstractGraphicsDevice device, final boolean[] isHardware)
public final boolean	isGL4core() Indicates whether this GLContext uses a GL4 core profile.
public final boolean	isGL4ES3() Returns true if this profile is capable of GL4ES3, i.e. if `isGLES3Compatible()` returns true.
public final boolean	isGLCompatibilityProfile()
public final boolean	isGLcore() Indicates whether this GLContext uses a GL core profile.
public final boolean	isGLCoreProfile()
public final boolean	isGLDebugEnabled()
public abstract boolean	Returns: true if the GLDebugOutput feature is enabled or not. isGLDebugMessageEnabled()
public abstract boolean	Returns: the current synchronous debug behavior, set via `setGLDebugSynchronous(boolean)`. isGLDebugSynchronous()
public final boolean	isGLES() Indicates whether this GLContext is capable of GLES.
public final boolean	isGLES1() Indicates whether this GLContext is capable of GLES1.
public static boolean	isGLES1Available(final AbstractGraphicsDevice device, final boolean[] isHardware)
public final boolean	isGLES2() Indicates whether this GLContext is capable of GLES2.
public static boolean	isGLES2Available(final AbstractGraphicsDevice device, final boolean[] isHardware)
public final boolean	Returns: true if this context is an ES2 context or implements the extension `GL_ARB_ES3_compatibility` or `GL_ARB_ES2_compatibility`, otherwise false isGLES2Compatible()
public final boolean	isGLES3() Indicates whether this GLContext is capable of GLES3.
public final boolean	isGLES31Compatible() Return true if this context is an ES3 context ≥ 3.1 or implements the extension `GL_ARB_ES3_1_compatibility`, otherwise false.
public static final boolean	isGLES31CompatibleAvailable(final AbstractGraphicsDevice device) Returns true if a ES3 ≥ 3.1 compatible profile is available, i.e. either a ≥ 4.5 context or a ≥ 3.1 context supporting `GL_ARB_ES3_1_compatibility`, otherwise false.
public final boolean	isGLES32Compatible() Return true if this context is an ES3 context ≥ 3.2 or implements the extension `GL_ARB_ES3_2_compatibility`, otherwise false.
public static final boolean	isGLES32CompatibleAvailable(final AbstractGraphicsDevice device) Returns true if a ES3 ≥ 3.2 compatible profile is available, i.e. either a ≥ 4.5 context or a ≥ 3.1 context supporting `GL_ARB_ES3_2_compatibility`, otherwise false.
public static boolean	isGLES3Available(final AbstractGraphicsDevice device, final boolean[] isHardware)
public final boolean	isGLES3Compatible() Return true if this context is an ES3 context or implements the extension `GL_ARB_ES3_compatibility`, otherwise false.
public static final boolean	isGLES3CompatibleAvailable(final AbstractGraphicsDevice device) Returns true if a ES3 compatible profile is available, i.e. either a ≥ 4.3 context or a ≥ 3.1 context supporting `GL_ARB_ES3_compatibility`, otherwise false.
public final boolean	isGLESProfile()
public final boolean	isGLForwardCompatible()
public abstract boolean	Returns: true if using a read-drawable is supported with your driver/OS, otherwise false. isGLReadDrawableAvailable() Query whether using a distinguished read-drawable is supported.
protected static boolean	Returns: true if the requested GL version is available regardless of a software or hardware rasterizer, otherwise false. isGLVersionAvailable(final AbstractGraphicsDevice the device to request whether the profile is available for device, final int Key Value either 1, 2, 3 or 4 reqMajor, final int Key Value either `CTX_PROFILE_COMPAT`, `CTX_PROFILE_CORE` or `CTX_PROFILE_ES` reqProfile, final boolean[] return value of one boolean, whether the profile is a hardware rasterizer or not isHardware)
public final boolean	Returns: true if impl. is a hardware rasterizer, otherwise false. isHardwareRasterizer()
public static final int	Returns: `1` if using a hardware rasterizer, `0` if using a software rasterizer and `-1` if not determined yet. isHardwareRasterizer(final AbstractGraphicsDevice device, final GLProfile glp)
public boolean	isNPOTTextureAvailable() Note The GL impl.
public final boolean	isShared() Returns true if this GLContext is shared, otherwise false.
public boolean	isTextureFormatBGRA8888Available()
public static final boolean	isValidGLVersion(final int ctxProfile, final int major, final int minor) Returns true, if the major.minor is not inferior to the lowest valid version and does not exceed the highest known major number by more than one.
public final boolean	joinSwapGroup(final int group)
protected boolean	joinSwapGroupImpl(final int group)
public abstract int	Returns: `CONTEXT_CURRENT_NEW` if the context was successfully made current the 1st time, `CONTEXT_CURRENT` if the context was successfully made current, `CONTEXT_NOT_CURRENT` if the context could not be made current. makeCurrent() Makes this GLContext current on the calling thread.
public static final String	makeCurrentResultToString(final int res) Returns a String representation of the `makeCurrent()` result.
protected static Integer	mapAvailableGLVersion(final AbstractGraphicsDevice device, final int reqMajor, final int profile, final int resMajor, final int resMinor, int resCtp) Deprecated Use `GLContextImpl#mapAvailableGLVersion(AbstractGraphicsDevice, int, int, VersionNumber, int)`
public final boolean	queryMaxSwapGroups(final int[] maxGroups, final int maxGroups_offset, final int[] maxBarriers, final int maxBarriers_offset)
protected boolean	queryMaxSwapGroupsImpl(final int[] maxGroups, final int maxGroups_offset, final int[] maxBarriers, final int maxBarriers_offset)
public abstract void	release() Releases control of this GLContext from the current thread.
public abstract void	removeGLDebugListener(GLDebugListener `GLDebugListener` handling `GLDebugMessage`s listener) Remove `GLDebugListener`.
protected void	resetStates(final boolean true if called for class initialization, otherwise false (re-init or destruction). isInit)
protected static void	setAvailableGLVersionsSet(final AbstractGraphicsDevice device, final boolean set)
public abstract void	setContextCreationFlags(int Additional context creation flags, supported: `GLContext#CTX_OPTION_DEBUG`. Unsupported flags are masked out. Only affects this context state if not created yet via `makeCurrent()`. flags)
protected static void	setCurrent(final GLContext cur) Sets the thread-local variable returned by `getCurrent` and has no other side-effects.
protected void	setDefaultSwapInterval()
public abstract GL	Returns: the set GL pipeline or null if not successful setGL(GL gl) Sets the GL pipeline object for this GLContext.
public abstract void	setGLDebugSynchronous(boolean synchronous) Enables or disables the synchronous debug behavior via `glEnable/glDisable(GL_DEBUG_OUTPUT_SYNCHRONOUS)`, if extension is `GLExtensions#ARB_debug_output`.
public abstract GLDrawable	Returns: The previous read/write drawable if operation succeeds setGLDrawable(GLDrawable The read/write drawable for framebuffer operations, maybe `null` to remove association. readWrite, boolean Only change the write-drawable, if `setWriteOnly` is `true` and if the `read-drawable` differs from the `write-drawable`. Otherwise set both drawables, read and write. setWriteOnly) Sets the read/write drawable for framebuffer operations, i.e. reassociation of the context's drawable.
public abstract GLDrawable	Returns: the previous read-drawable setGLReadDrawable(GLDrawable the read-drawable for read framebuffer operations. If null is passed, the default write drawable will be set. read) Set the read-Drawable for read framebuffer operations.
public boolean	Returns: true if the operation was successful, otherwise false setSwapInterval(final int see above interval) Set the swap interval of the current context and attached onscreen `GLDrawable`.
protected boolean	setSwapIntervalImpl(final int interval)
protected static void	shutdown() clears the device/context mappings as well as the GL/GLX proc address tables.
protected static String	toHexString(final int hex)
protected static String	toHexString(final long hex)
public String	toString() Overrides java.lang.Object.toString. Classname, GL, GLDrawable
public final void	validateCurrent()
private static void	validateProfileBits(final int bits, final String argName)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll wait wait wait

public abstract Class GLContext

Field Summary

Constructor Summary

Method Summary