Review Request 128426: Support OpenGL 3.2 Core profile in FadingNode shaders

[Aleix Pol Gonzalez]

-----------------------------------------------------------
This is an automatically generated e-mail. To reply, visit:
https://git.reviewboard.kde.org/r/128426/#review97299
-----------------------------------------------------------



Looks like an interesting optimization oportunity! :)


src/declarativeimports/core/fadingnode.cpp (line 67)
<https://git.reviewboard.kde.org/r/128426/#comment65692>

    use `switch`?


- Aleix Pol Gonzalez


On July 12, 2016, 1:34 a.m., David Edmundson wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/128426/
> -----------------------------------------------------------
> 
> (Updated July 12, 2016, 1:34 a.m.)
> 
> 
> Review request for KDE Frameworks and Plasma.
> 
> 
> Repository: plasma-framework
> 
> 
> Description
> -------
> 
> Qt has two shaders for all items; one for when running OpenGL3.2+ without backwards compatibility (i.e running CoreProfile) and one that supports more legacy systems. (see
> the shaders directory and the versions ending with _core)
> 
> core profile is only used if explicitly by the app enabled when creating the GL context. 
> 
> Something we don't currently do in Plasma, but a 3d party user could be doing.
> 
> Long term it's also something I want to do in Plasma optionally as it gives a 15Mb memory saving with Mesa.
> 
> This patch updates our material to provide the right shader for the
> given version matching the behavior of
> QSGShaderSourceBuilder::resolveShaderPath which Qt uses internally.
> 
> 
> Diffs
> -----
> 
>   src/declarativeimports/core/fadingnode.cpp 88b7310641f58c2b74fe61d2c5a97847cf7dc3b8 
> 
> Diff: https://git.reviewboard.kde.org/r/128426/diff/
> 
> 
> Testing
> -------
> 
> ran krunner with 
> +    QSurfaceFormat format;
> +    format.setVersion(3,2);
> +    format.setProfile(QSurfaceFormat::CoreProfile);
> +    QSurfaceFormat::setDefaultFormat(format);
> 
> and it still works.
> 
> plasmashell unchanged (so still requesting an GL 2.0 context) also still works.
> 
> 
> Thanks,
> 
> David Edmundson
> 
>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.kde.org/pipermail/plasma-devel/attachments/20160712/8ffa39aa/attachment.html>