On Tue, 29 Jun 2021 17:34:00 GMT, Jayathirth D V <[email protected]> wrote:
> Final blit operation in MTLLayer.blitTexture() is driven by CVDisplayLink in
> Metal.
> In this test case we are hitting an invalid condition because of which we
> exit from MTLLayer.blitTexture(), but we are not stopping the CVDisplayLink.
> This is causing the CVDisplayLink callback to run in loop. Fix is to stop
> CVDisplayLink when we return without completing final blit operation in
> MTLLayer.blitTexture().
>
> Sanity and performance analysis is green. More details in JBS.
Please confirm that mach5 is green.
src/java.desktop/macosx/native/libawt_lwawt/java2d/metal/MTLLayer.m line 286:
> 284: if (layer == NULL || ctx == NULL) {
> 285: J2dTraceLn(J2D_TRACE_VERBOSE, "MTLLayer_blit : Layer or Context
> is null");
> 286: [layer stopDisplayLink];
What happens if we exit before this "blitTexture" is called? Do not we need to
stop(w/o possibility to restart it) that thread on toolkit shutdown or
something like this?
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PR: https://git.openjdk.java.net/jdk17/pull/175
