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OpenGLRenderer Class Referenceabstract

A base class that should be implemented by classes which want to render openGL on a background thread. More...

Public Member Functions

 OpenGLRenderer ()
 
virtual ~OpenGLRenderer ()
 
virtual void newOpenGLContextCreated ()=0
 Called when a new GL context has been created.
 
virtual void renderOpenGL ()=0
 Called when you should render the next openGL frame.
 
virtual void openGLContextClosing ()=0
 Called when the current openGL context is about to close.
 

Detailed Description

A base class that should be implemented by classes which want to render openGL on a background thread.

See Also
OpenGLContext

Constructor & Destructor Documentation

OpenGLRenderer::OpenGLRenderer ( )
virtual OpenGLRenderer::~OpenGLRenderer ( )
virtual

Member Function Documentation

virtual void OpenGLRenderer::newOpenGLContextCreated ( )
pure virtual

Called when a new GL context has been created.

You can use this as an opportunity to create your textures, shaders, etc. When the method is invoked, the new GL context will be active. Note that this callback will be made on a background thread, so make sure that your implementation is thread-safe.

virtual void OpenGLRenderer::renderOpenGL ( )
pure virtual

Called when you should render the next openGL frame.

Note that this callback will be made on a background thread, not the message thread, so make sure that your implementation is thread-safe. For information about how to trigger a render callback, see OpenGLContext::triggerRepaint() and OpenGLContext::setContinuousRepainting().

virtual void OpenGLRenderer::openGLContextClosing ( )
pure virtual

Called when the current openGL context is about to close.

You can use this opportunity to release any GL resources that you may have created.

Note that this callback will be made on a background thread, so make sure that your implementation is thread-safe.

(Also note that on Android, this callback won't happen, because there's currently no way to implement it..)


The documentation for this class was generated from the following file: