8357625: Build should generate platform specific shaders

[arapte]

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 hardware shaders:

1. Mac platform : metal and es2 shaders
2. Win platform: d3d shaders andif IS_INCLUDE_ES2 is true then es2 shaders as well
3. Linux : only es2 shaders

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Progress

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Issue

• JDK-8357625: Build should generate platform specific shaders (Bug - P4)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jfx.git pull/2071/head:pull/2071
$ git checkout pull/2071

Update a local copy of the PR:
$ git checkout pull/2071
$ git pull https://git.openjdk.org/jfx.git pull/2071/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 2071

View PR using the GUI difftool:
$ git pr show -t 2071

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jfx/pull/2071.diff

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