Interface: Renderer
A Renderer
instance represents an operating system's window.
Typically, applications create a Renderer
per window. The Renderer
generates
drawing commands for the render thread and manages frame latency.
A Renderer
generates drawing commands from a View
, itself containing a Scene description.
Extends
PointerHolder
Properties
beginFrame()
beginFrame: (
swapChain
,timestamp
) =>boolean
Parameters
• swapChain: SwapChain
• timestamp: number
Returns
boolean
Defined in
endFrame()
endFrame: () =>
void
Returns
void
Defined in
isValid
readonly
isValid:boolean
Get if the refernce to the native pointer is still valid and strong.
If this is false
, this object has been manually released with
release
() and all other methods on this object will throw an Error.
Inherited from
PointerHolder.isValid
Defined in
render()
render: (
view
) =>void
Parameters
• view: View
Returns
void
Defined in
setClearContent()
setClearContent: (
clear
) =>void
Whether the View should be cleared using the clearColor. Use this if translucent View will be drawn, for instance.
Parameters
• clear: boolean
Returns
void
Default
true
Defined in
setFrameRateOptions()
setFrameRateOptions: (
options
) =>void
Parameters
• options: FrameRateOptions
Returns
void
Defined in
setPresentationTime()
setPresentationTime: (
timestamp
) =>void
Set the current Frame's output presentation timestamp, in milliseconds.
Parameters
• timestamp: number
Returns
void
Defined in
Methods
release()
release():
void
Manually release this reference to the native pointer. This will ensure that JS will no longer hold a strong reference, and memory can be safely cleaned up.
If the native pointer is still referenced elsewhere in native code, the underlying memory will not be deleted unless the other references are also released.
If this is not called, the memory will only be cleaned once the JS gabage collector decides to delete this object, which might be at any point in the future.
Calling release()
is not required as the GC will destroy this
object eventually anyways, but it is recommended to optimize
memory usage.
After manually releasing a pointer, all future methods on this object will throw an Error.
Returns
void
Inherited from
PointerHolder.release