RFR: 8217472: Add attenuation for PointLight [v5]

[Nir Lisker]

On Fri, 24 Jul 2020 21:29:06 GMT, Kevin Rushforth <kcr at openjdk.org> wrote:

>> Nir Lisker has updated the pull request with a new target base due to a merge or a rebase. The pull request now
>> contains 11 commits:
>>  - Merge branch 'master' into 8217472_Add_attenuation_for_PointLight
>>  - Attenuation and range changed internally to floats from doubles
>>  - Fixed shader compilation errors for 2 and 3 lights in es2
>>  - Addressing review comments
>>  - Fixed whitespaces
>>  - Correction for indexes
>>  - Docs and year update
>>  - Merge remote-tracking branch 'nlisker/8217472_Add_attenuation_for_PointLight' into
>>    8217472_Add_attenuation_for_PointLight
>>  - GL pipeline
>>  - Separate range from attenuation
>>  - ... and 1 more: https://git.openjdk.java.net/jfx/compare/4ec163df...2e1223ed
>
> modules/javafx.graphics/src/main/java/javafx/scene/PointLight.java line 51:
> 
>> 50:  * results in the light's color being subtracted from the material instead of added to it, thus creating a
>> 51:  * "shadow caster".
>> 52:  * <p>
> 
> Can you think of any problems that might arise by supporting negative coefficients? If not, then this seems fine.

No, I've tested the functionality and it seemed to be working well.

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PR: https://git.openjdk.java.net/jfx/pull/43