Integrated: 8375466: Metal rendering pipeline crashes on virtualized OS

[Ambarish Rapte]

On Mon, 2 Feb 2026 13:30:40 GMT, Ambarish Rapte <arapte at openjdk.org> wrote:

> Issue:
> As described in the bug, a crash occurs on macOS VM created using Parallels.
> The crash occurs when trying to create a [MTLArgumentEncoder](https://github.com/openjdk/jfx/blob/5ac1620ac0ba20170ae9758e20893feba5ebc58b/modules/javafx.graphics/src/main/native-prism-mtl/MetalShader.m#L76C49-L76C82), which is required for creating Shaders(Both Prism and Decora)
> This crash is not observed on macOS VM created using Apple Virtualization Framework.
> 
> Fix:
> Support for MTLArgumentEncoder is mandatory for Prism Metal Rendering pipeline. Without support for MTLArgumentEncoder the Shaders cannot be created.
> In this scenario Prism should gracefully fallback to Software rendering.
> Added a check to verify if the minimum [MTLGPUFamilyMac2](https://developer.apple.com/documentation/metal/mtlgpufamily/mac2?language=objc) GPU family is supported by the platform. If not supported then Metal Pipeline cannot be used, and rendering falls back to software pipeline.

This pull request has now been integrated.

Changeset: 3ae6bc00
Author:    Ambarish Rapte <arapte at openjdk.org>
URL:       https://git.openjdk.org/jfx/commit/3ae6bc00b803517941d3459641b0c66b749beecf
Stats:     25 lines in 2 files changed: 25 ins; 0 del; 0 mod

8375466: Metal rendering pipeline crashes on virtualized OS

Reviewed-by: kcr, jdv

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PR: https://git.openjdk.org/jfx/pull/2061