LwjglContext (jMonkeyEngine3)

java.lang.Object
- com.jme3.system.lwjgl.LwjglContext

All Implemented Interfaces:

JmeContext

Direct Known Subclasses:

LwjglAbstractDisplay, LwjglOffscreenBuffer, LwjglWindow
```
public abstract class LwjglContext
extends java.lang.Object
implements JmeContext
```
A LWJGL implementation of a graphics context.

Nested Class Summary
- Nested classes/interfaces inherited from interface com.jme3.system.JmeContext
  JmeContext.Type

Field Summary

Fields
Modifier and Type	Field and Description
`protected LwjglContext`	`clContext`
`protected LwjglPlatform`	`clPlatform`
`protected java.util.concurrent.atomic.AtomicBoolean`	`created`
`protected java.lang.Object`	`createdLock`
`protected JInputJoyInput`	`joyInput`
`protected LwjglKeyInput`	`keyInput`
`protected SystemListener`	`listener`
`protected LwjglMouseInput`	`mouseInput`
`protected java.util.concurrent.atomic.AtomicBoolean`	`renderable`
`protected Renderer`	`renderer`
`protected AppSettings`	`settings`
`protected static java.lang.String`	`THREAD_NAME`
`protected Timer`	`timer`

Constructor Summary

Constructors
Constructor and Description

LwjglContext()

Constructors
Constructor and Description
`LwjglContext()`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`void`	`create()`
`protected org.lwjgl.opengl.ContextAttribs`	`createContextAttribs()`
`void`	`destroy()`
`protected int`	`determineMaxSamples(int requestedSamples)`
`int`	`getFramebufferHeight()` Returns the height of the framebuffer.
`int`	`getFramebufferWidth()` Returns the width of the framebuffer.
`protected int[]`	`getGLVersion(java.lang.String renderer)`
`protected int`	`getNumSamplesToUse()`
`Context`	`getOpenCLContext()`
`Renderer`	`getRenderer()`
`AppSettings`	`getSettings()`
`SystemListener`	`getSystemListener()` Accesses the listener that receives events related to this context.
`Timer`	`getTimer()`
`int`	`getWindowXPosition()` Returns the screen X coordinate of the left edge of the content area.
`int`	`getWindowYPosition()` Returns the screen Y coordinate of the top edge of the content area.
`protected void`	`initContextFirstTime()` Initializes the LWJGL renderer and input for the first time.
`protected void`	`initOpenCL()`
`void`	`internalCreate()`
`void`	`internalDestroy()`
`boolean`	`isCreated()`
`boolean`	`isRenderable()`
`protected void`	`loadNatives()`
`protected void`	`printContextInitInfo()`
`protected void`	`reinitContext()` Reinitializes the relevant details of the context.
`void`	`setSettings(AppSettings settings)`
`void`	`setSystemListener(SystemListener listener)` Sets the listener that will receive events relating to context creation, update, and destroy.
`protected void`	`waitFor(boolean createdVal)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.jme3.system.JmeContext
create, destroy, getJoyInput, getKeyInput, getMouseInput, getTouchInput, getType, restart, setAutoFlushFrames, setTitle

- Field Detail
  - THREAD_NAME
```
protected static final java.lang.String THREAD_NAME
```
    See Also:
    
    Constant Field Values
  - created
```
protected java.util.concurrent.atomic.AtomicBoolean created
```
  - renderable
```
protected java.util.concurrent.atomic.AtomicBoolean renderable
```
  - createdLock
```
protected final java.lang.Object createdLock
```
  - settings
```
protected AppSettings settings
```
  - renderer
```
protected Renderer renderer
```
  - keyInput
```
protected LwjglKeyInput keyInput
```
  - mouseInput
```
protected LwjglMouseInput mouseInput
```
  - joyInput
```
protected JInputJoyInput joyInput
```
  - timer
```
protected Timer timer
```
  - listener
```
protected SystemListener listener
```
  - clPlatform
```
protected LwjglPlatform clPlatform
```
  - clContext
```
protected LwjglContext clContext
```
- Constructor Detail
  - LwjglContext
```
public LwjglContext()
```
- Method Detail
  - getSystemListener
```
public SystemListener getSystemListener()
```
    Accesses the listener that receives events related to this context.
    
    Specified by:
    
    getSystemListener in interface JmeContext
    
    Returns:
    
    the pre-existing instance
  - setSystemListener
```
public void setSystemListener(SystemListener listener)
```
    Description copied from interface: JmeContext
    
    Sets the listener that will receive events relating to context creation, update, and destroy.
    
    Specified by:
    
    setSystemListener in interface JmeContext
    
    Parameters:
    
    listener - the desired listener
  - printContextInitInfo
```
protected void printContextInitInfo()
```
  - getGLVersion
```
protected int[] getGLVersion(java.lang.String renderer)
```
  - createContextAttribs
```
protected org.lwjgl.opengl.ContextAttribs createContextAttribs()
```
  - determineMaxSamples
```
protected int determineMaxSamples(int requestedSamples)
```
  - loadNatives
```
protected void loadNatives()
```
  - getNumSamplesToUse
```
protected int getNumSamplesToUse()
```
  - reinitContext
```
protected void reinitContext()
```
    Reinitializes the relevant details of the context. For internal use only.
  - initContextFirstTime
```
protected void initContextFirstTime()
```
    Initializes the LWJGL renderer and input for the first time. For internal use only.
  - initOpenCL
```
protected void initOpenCL()
```
  - internalDestroy
```
public void internalDestroy()
```
  - internalCreate
```
public void internalCreate()
```
  - create
```
public void create()
```
  - destroy
```
public void destroy()
```
  - waitFor
```
protected void waitFor(boolean createdVal)
```
  - isCreated
```
public boolean isCreated()
```
    Specified by:
    
    isCreated in interface JmeContext
    
    Returns:
    
    True if the context has been created but not yet destroyed.
  - isRenderable
```
public boolean isRenderable()
```
    Specified by:
    
    isRenderable in interface JmeContext
    
    Returns:
    
    True if the context contains a valid render surface, if any of the rendering methods in Renderer are called while this is false, then the result is undefined.
  - setSettings
```
public void setSettings(AppSettings settings)
```
    Specified by:
    
    setSettings in interface JmeContext
    
    Parameters:
    
    settings - the display settings to use for the created context. If the context has already been created, then restart() must be called for the changes to be applied.
  - getSettings
```
public AppSettings getSettings()
```
    Specified by:
    
    getSettings in interface JmeContext
    
    Returns:
    
    The current display settings. Note that they might be different from the ones set with setDisplaySettings() if the context was restarted or the settings changed internally.
  - getRenderer
```
public Renderer getRenderer()
```
    Specified by:
    
    getRenderer in interface JmeContext
    
    Returns:
    
    The renderer for this context, or null if not created yet.
  - getTimer
```
public Timer getTimer()
```
    Specified by:
    
    getTimer in interface JmeContext
    
    Returns:
    
    The timer for this context, or null if not created yet.
  - getOpenCLContext
```
public Context getOpenCLContext()
```
    Specified by:
    
    getOpenCLContext in interface JmeContext
    
    Returns:
    
    The OpenCL context if available.
  - getFramebufferHeight
```
public int getFramebufferHeight()
```
    Returns the height of the framebuffer.
    
    Specified by:
    
    getFramebufferHeight in interface JmeContext
    
    Returns:
    
    the height (in pixels)
  - getFramebufferWidth
```
public int getFramebufferWidth()
```
    Returns the width of the framebuffer.
    
    Specified by:
    
    getFramebufferWidth in interface JmeContext
    
    Returns:
    
    the width (in pixels)
  - getWindowXPosition
```
public int getWindowXPosition()
```
    Returns the screen X coordinate of the left edge of the content area.
    
    Specified by:
    
    getWindowXPosition in interface JmeContext
    
    Returns:
    
    the screen X coordinate
  - getWindowYPosition
```
public int getWindowYPosition()
```
    Returns the screen Y coordinate of the top edge of the content area.
    
    Specified by:
    
    getWindowYPosition in interface JmeContext
    
    Returns:
    
    the screen Y coordinate

Class LwjglContext

Nested Class Summary

Nested classes/interfaces inherited from interface com.jme3.system.JmeContext

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Methods inherited from interface com.jme3.system.JmeContext

Field Detail

THREAD_NAME

created

renderable

createdLock

settings

renderer

keyInput

mouseInput

joyInput

timer

listener

clPlatform

clContext

Constructor Detail

LwjglContext

Method Detail

getSystemListener

setSystemListener

printContextInitInfo

getGLVersion

createContextAttribs

determineMaxSamples

loadNatives

getNumSamplesToUse

reinitContext

initContextFirstTime

initOpenCL

internalDestroy

internalCreate

create

destroy

waitFor

isCreated

isRenderable

setSettings

getSettings

getRenderer

getTimer

getOpenCLContext

getFramebufferHeight

getFramebufferWidth

getWindowXPosition

getWindowYPosition