Review Request 119330: Convert FrameSvgItem to use 9 tiles instead of a big texture.

[Marco Martin]

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no, this branch is not good to go.

* all the commits to framesvg.h/.cpp shouldn't be there at all.
* the sub-pixmaps fetched from svg->image() will be correct only in a single case, of no composeoverborders and no overlays that makes hitting the slow path very often (if the frame has any gradient, composeoverborders is the recommended way to go)

- Marco Martin


On July 17, 2014, 11 a.m., David Edmundson wrote:
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> This is an automatically generated e-mail. To reply, visit:
> https://git.reviewboard.kde.org/r/119330/
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> 
> (Updated July 17, 2014, 11 a.m.)
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> Review request for Plasma.
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> Repository: plasma-framework
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> Description
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> Use FrameSVG as 9 tiles instead of uploading a big texture of the finished frame each time.
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> This also saves the cache being populated with full created frames in different sizes; which end up taking up space in the disk and shared memory cache as well as the GPU memory.
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> A code path falls back to the original uploading the entire texture if obscure settings are used, i.e overlay.
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> Benchmarks:
>  - apitrace when resizing a frame goes from an average of 7.6ms per frame of *CPU* time just for the swizzling and uploading to 1.4ms
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>  - GPU time also drops from 40us to 10us
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> Themes will need to remove stretch-borders (when we gain nothing from stretching; i.e Breeze) to get the most out of it. 
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> Diffs
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>   src/plasma/private/framesvg_p.h 8aceef2 
>   tests/dialog.qml PRE-CREATION 
>   tests/testborders.qml PRE-CREATION 
>   src/declarativeimports/core/framesvgitem.h e155f6a 
>   src/declarativeimports/core/framesvgitem.cpp 8320212 
>   src/declarativeimports/core/svgitem.cpp 1ed0631 
>   src/plasma/framesvg.h dd6d8da 
>   src/plasma/framesvg.cpp fcc6809 
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> Diff: https://git.reviewboard.kde.org/r/119330/diff/
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> Testing
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> Tested oxygen + breeze + some random (and ugly) themes from kde-look.
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> Theme changes work.
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> Everything looks the same; including the borders on oxygen.
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> 
> Thanks,
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> David Edmundson
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>

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