RFR: 8334137: Marlin: replace sun.misc.Unsafe memory access methods with FFM [v8]

[Kevin Rushforth]

On Wed, 11 Jun 2025 17:43:10 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> modules/javafx.graphics/src/main/java/com/sun/marlin/OffHeapArray.java line 59:
>> 
>>> 57:      */
>>> 58:     OffHeapArray(final Object parent, final long len) {
>>> 59:         this(parent, len, false);
>> 
>> I would suggest to remove this constructor.
>
> Since global is the special case, it seemed easier to keep the existing constructor and only pass "global=true" in the one place that's needed -- the static initializer of `MaskMarlinAlphaConsumer`.

Although... there is only one use now of the default constructor, so it would be trivial to change it and dispense with the first constructor.

-------------

PR Review Comment: https://git.openjdk.org/jfx/pull/1814#discussion_r2140750760