diff options
Diffstat (limited to 'src/gui/painting/qdrawhelper_p.h')
| -rw-r--r-- | src/gui/painting/qdrawhelper_p.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/gui/painting/qdrawhelper_p.h b/src/gui/painting/qdrawhelper_p.h index 9c5d525722..dd42b96d79 100644 --- a/src/gui/painting/qdrawhelper_p.h +++ b/src/gui/painting/qdrawhelper_p.h @@ -671,6 +671,8 @@ static Q_ALWAYS_INLINE void blend_pixel(quint32 &dst, const quint32 src) static Q_ALWAYS_INLINE void blend_pixel(quint32 &dst, const quint32 src, const int const_alpha) { + if (const_alpha == 255) + return blend_pixel(dst, src); if (src != 0) { const quint32 s = BYTE_MUL(src, const_alpha); dst = s + BYTE_MUL(dst, qAlpha(~s)); |