RFR: 8357625: Build should generate platform specific shaders [v5]

[Kevin Rushforth]

On Wed, 18 Feb 2026 17:46:47 GMT, Ambarish Rapte <arapte at openjdk.org> wrote:

>> On a given platform, the build generates prism and decora shader files for all platforms. 
>> Ideally it should generate only the platform specific shader files.
>> 
>> Fix:
>> Generate only platform specific hardware shaders.
>> sw pipeline shaders must be generated for all platforms.
>> 
>> But the hardware shaders, should be as:
>> 1. Mac platform : metal and es2 shaders
>> 2. Win platform: d3d shaders and if IS_INCLUDE_ES2 is true then es2 shaders as well
>> 3. Linux : only es2 shaders
>> 
>> Verification:
>> Verified that the shaders are generated as expected. 
>> headul tests pass, apps launch correctly.
>
> Ambarish Rapte has updated the pull request incrementally with one additional commit since the last revision:
> 
>   update comment

build.gradle line 1718:

> 1716:         doFirst {
> 1717:             if (IS_MAC) {
> 1718:                 mkdir "$project.buildDir/gensrc/mtl-headers"

Will making this optional cause the same problem for Eclipse on non-macOS platforms as the one @andy-goryachev-oracle reported for the Windows dir on non-Windows platforms?

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PR Review Comment: https://git.openjdk.org/jfx/pull/2071#discussion_r2828767745