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Adds overloaded functions for some common operations used for
compositing, and use those together with specialized loading/storing.
QRgba64 is represented as a quint64, so most of the time it lives in
the integer registers. By overloading functions to return SIMD data
types, the temporary values are kept in SIMD registers (so no more
unnecessary transfers between the registers, which can cost a lot on
ARM). It also allows the compiler to do better TBAA and optimizations.
Another benefit is that the loop bodies are smaller, giving them a
higher chance to fit in the micro-op cache of modern CPUs.
Change-Id: I5f13cd0677176b1162425fe59d42868d0d20f6e2
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
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From Qt 5.7 -> LGPL v2.1 isn't an option anymore, see
http://blog.qt.io/blog/2016/01/13/new-agreement-with-the-kde-free-qt-foundation/
Updated license headers to use new LGPL header instead of LGPL21 one
(in those files which will be under LGPL v3)
Change-Id: I046ec3e47b1876cd7b4b0353a576b352e3a946d9
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
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Change-Id: I42e7ef1a481840699a8dffff1408dfd4fd9c8e32
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
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A previous commit added 16-bit per color-channel precision to
solids and linear gradients. This patch extends that to include
texture data.
To support that pixellayouts now have a method to convert to
RGBA64.
Change-Id: I661ae91bd7038085787003608a0af4add057e478
Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
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Change-Id: I3bacecbabdf2d7b2de1acd86ab9383e69924a390
Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
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This patch updates the internal color precisions of solids and
gradients to 16bit per color. This makes it possible to render
at higher precision on non-premultiplied ARGB32, the RGB30
formats and any other hi-color formats if more are added.
[ChangeLog][QtGui][Painting] Internal precision of solids and gradients
is now up to 16bit per color.
Change-Id: Ieae5468bd6de1f56adfa4cb9fa966faf2ed824fd
Reviewed-by: Gunnar Sletta <gunnar@sletta.org>
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