Lighweight Java Game Library 2.9.3 · org.lwjgl.opengl.ContextGL

Field Summary

Modifier and Type	Field and Description
private final ContextAttribs	contextAttribs
private static final ThreadLocal<ContextGL>	current_context_local The current Context
private boolean	destroy_requested
private boolean	destroyed Whether the context has been destroyed
private final boolean	forwardCompatible
private final ByteBuffer	handle Handle to the native GL rendering context
private static final ContextImplementation	implementation The platform specific implementation of context methods
private final PeerInfo	peer_info
private Thread	thread The thread that has this context current, or null.

Constructor Summary

Access	Constructor and Description
pack-priv	ContextGL(PeerInfo peer_info, ContextAttribs attribs, ContextGL shared_context) Create a context with the specified peer info and shared context

Method Summary

Modifier and Type	Method and Description
private boolean	canAccess()
private void	checkAccess()
private void	checkDestroy()
private static ContextImplementation	createImplementation()
public synchronized void	destroy() Request destruction of the Context.
public synchronized void	forceDestroy() Destroy the context.
pack-priv ContextAttribs	getContextAttribs()
pack-priv static ContextGL	getCurrentContext()
pack-priv ByteBuffer	getHandle()
pack-priv PeerInfo	getPeerInfo()
public synchronized boolean	isCurrent() Implements org.lwjgl.opengl.Context.isCurrent. Query whether the context is current
public synchronized void	makeCurrent() Implements org.lwjgl.opengl.Context.makeCurrent. Make the context current
public void	releaseCurrent() Implements org.lwjgl.opengl.Context.releaseCurrent. Release the current context (if any).
public synchronized void	releaseDrawable() Implements org.lwjgl.opengl.Context.releaseDrawable. Release the context from its drawable.
public synchronized void	setCLSharingProperties(final PointerBuffer properties)
public static void	setSwapInterval(int value) Set the buffer swap interval.
public static void	swapBuffers() Swap the buffers on the current context.
public synchronized void	update() Update the context.

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

Field Detail

contextAttribs	back to summary
private final ContextAttribs contextAttribs

current_context_local	back to summary
private static final ThreadLocal<ContextGL> current_context_local The current Context

destroy_requested	back to summary
private boolean destroy_requested

destroyed	back to summary
private boolean destroyed Whether the context has been destroyed

forwardCompatible	back to summary
private final boolean forwardCompatible

handle	back to summary
private final ByteBuffer handle Handle to the native GL rendering context

implementation	back to summary
private static final ContextImplementation implementation The platform specific implementation of context methods

peer_info	back to summary
private final PeerInfo peer_info

thread	back to summary
private Thread thread The thread that has this context current, or null.

Constructor Detail

ContextGL	back to summary
pack-priv ContextGL(PeerInfo peer_info, ContextAttribs attribs, ContextGL shared_context) throws LWJGLException Create a context with the specified peer info and shared context

Method Detail

canAccess	back to summary
private boolean canAccess()

checkAccess	back to summary
private void checkAccess()

checkDestroy	back to summary
private void checkDestroy()

createImplementation	back to summary
private static ContextImplementation createImplementation()

destroy	back to summary
public synchronized void destroy() throws LWJGLException Request destruction of the Context. If the context is current, no context will be current after this call. The context is destroyed when no thread has it current.

forceDestroy	back to summary
public synchronized void forceDestroy() throws LWJGLException Destroy the context. This method behaves the same as destroy() with the extra requirement that the context must be either current to the current thread or not current at all.

getContextAttribs	back to summary
pack-priv ContextAttribs getContextAttribs()

getCurrentContext	back to summary
pack-priv static ContextGL getCurrentContext()

getHandle	back to summary
pack-priv ByteBuffer getHandle()

getPeerInfo	back to summary
pack-priv PeerInfo getPeerInfo()

isCurrent	back to summary
public synchronized boolean isCurrent() throws LWJGLException Implements org.lwjgl.opengl.Context.isCurrent. Query whether the context is current

isCurrent

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public synchronized boolean isCurrent() throws LWJGLException

Implements org.lwjgl.opengl.Context.isCurrent.

Query whether the context is current

makeCurrent	back to summary
public synchronized void makeCurrent() throws LWJGLException Implements org.lwjgl.opengl.Context.makeCurrent. Make the context current

makeCurrent

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public synchronized void makeCurrent() throws LWJGLException

Implements org.lwjgl.opengl.Context.makeCurrent.

Make the context current

releaseCurrent	back to summary
public void releaseCurrent() throws LWJGLException Implements org.lwjgl.opengl.Context.releaseCurrent. Release the current context (if any). After this call, no context is current.

releaseCurrent

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public void releaseCurrent() throws LWJGLException

Implements org.lwjgl.opengl.Context.releaseCurrent.

Release the current context (if any). After this call, no context is current.

releaseDrawable	back to summary
public synchronized void releaseDrawable() throws LWJGLException Implements org.lwjgl.opengl.Context.releaseDrawable. Release the context from its drawable. This is necessary on some platforms, like Mac OS X, where binding the context to a drawable and binding the context for rendering are two distinct actions and where calling releaseDrawable on every releaseCurrentContext results in artifacts.

releaseDrawable

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public synchronized void releaseDrawable() throws LWJGLException

Implements org.lwjgl.opengl.Context.releaseDrawable.

Release the context from its drawable. This is necessary on some platforms, like Mac OS X, where binding the context to a drawable and binding the context for rendering are two distinct actions and where calling releaseDrawable on every releaseCurrentContext results in artifacts.

setCLSharingProperties	back to summary
public synchronized void setCLSharingProperties(final PointerBuffer properties) throws LWJGLException

setSwapInterval	back to summary
public static void setSwapInterval(int value) Set the buffer swap interval. This call is a best-attempt at changing the monitor swap interval, which is the minimum periodicity of color buffer swaps, measured in video frame periods, and is not guaranteed to be successful. A video frame period is the time required to display a full frame of video data.

setSwapInterval

back to summary

public static void setSwapInterval(int value)

Set the buffer swap interval. This call is a best-attempt at changing the monitor swap interval, which is the minimum periodicity of color buffer swaps, measured in video frame periods, and is not guaranteed to be successful.

A video frame period is the time required to display a full frame of video data.

swapBuffers	back to summary
public static void swapBuffers() throws LWJGLException Swap the buffers on the current context. Only valid for double-buffered contexts

update	back to summary
public synchronized void update() Update the context. Should be called whenever it's drawable is moved or resized

pack-priv final Class ContextGL

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