Issue running game RTTexture (NGCanvas)

[jvondermarck]

Hi, do you know the solution to this issue below ? Is that because we're running out of VRAM ? Do you know what would be the solution ?

Two people from my project got this issue :
When running game we get the exception:

java.lang.NullPointerException: Cannot invoke "com.sun.prism.RTTexture.createGraphics()" because "" is null
at com.sun.javafx.sg.prism.NGCanvas$RenderBuf.validate(NGCanvas.java:214)
at com.sun.javafx.sg.prism.NGCanvas.initCanvas(NGCanvas.java:644)
at com.sun.javafx.sg.prism.NGCanvas.renderContent(NGCanvas.java:607)
at com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2072)
at com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1964)
at com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:270)
at com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2072)
at com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1964)
at com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:270)
at com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2072)
at com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1964)
at com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:270)
at com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2072)
at com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1964)
at com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:270)
at com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2072)
at com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1964)
at com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:270)
at com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
at com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2072)
at com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1964)
at com.sun.javafx.sg.prism.NGGroup.renderContent(NGGroup.java:270)
at com.sun.javafx.sg.prism.NGRegion.renderContent(NGRegion.java:579)
at com.sun.javafx.sg.prism.NGNode.doRender(NGNode.java:2072)
at com.sun.javafx.sg.prism.NGNode.render(NGNode.java:1964)
at com.sun.javafx.tk.quantum.ViewPainter.doPaint(ViewPainter.java:480)
at com.sun.javafx.tk.quantum.ViewPainter.paintImpl(ViewPainter.java:329)
at com.sun.javafx.tk.quantum.PresentingPainter.run(PresentingPainter.java:92)
at java.base/java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:539)
at java.base/java.util.concurrent.FutureTask.runAndReset(FutureTask.java:305)
at com.sun.javafx.tk.RenderJob.run(RenderJob.java:58)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1136)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:635)
at com.sun.javafx.tk.quantum.QuantumRenderer$PipelineRunnable.run(QuantumRenderer.java:126)
at java.base/java.lang.Thread.run(Thread.java:833)

[AlmasB]

Looks like you are rendering something that is a bit too big for JavaFX. So you may wish to check all things that go directly to the screen. Any image / render object with size larger than 1920x1080 could be an issue, I'd start there.

[jvondermarck]

Thank you for your answer !