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| author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2018-03-14 15:55:48 +0100 |
|---|---|---|
| committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2018-03-14 15:11:14 +0000 |
| commit | a93096a77030b3ffa810265fdf2e9616e2929092 (patch) | |
| tree | 8dee37c0de6db8af92fa054630c6bad271219908 /src/gui/painting/qdrawhelper.cpp | |
| parent | ed245f3e70661a1e02467393918feef4b5af8197 (diff) | |
Fix performance regression in simple a8 non-gamma corrected
Avoid doing the conversion over QRgba64 when we don't need it.
Change-Id: Ic2f82bef0a80b17ef7803eedcdb0600eeac96489
Reviewed-by: Lars Knoll <lars.knoll@qt.io>
Diffstat (limited to 'src/gui/painting/qdrawhelper.cpp')
| -rw-r--r-- | src/gui/painting/qdrawhelper.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/gui/painting/qdrawhelper.cpp b/src/gui/painting/qdrawhelper.cpp index 23c8e42ded..f08038e34b 100644 --- a/src/gui/painting/qdrawhelper.cpp +++ b/src/gui/painting/qdrawhelper.cpp @@ -5670,6 +5670,8 @@ static inline void alphamapblend_argb32(quint32 *dst, int coverage, QRgba64 srcL // nothing } else if (coverage == 255) { *dst = src; + } else if (!colorProfile) { + *dst = INTERPOLATE_PIXEL_255(src, coverage, *dst, 255 - coverage); } else { if (*dst >= 0xff000000) { grayBlendPixel(dst, coverage, srcLinear, colorProfile); |