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Reviewed-by: Trust Me
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Some concerns were expressed about the float precision of QMatrix4x4,
which this change addresses by using qreal instead.
The QVector2D/3D/4D classes still use float internally, so that they
can be used directly in large arrays of vertex values to be uploaded
to an OpenGL server.
QQuaternion is a client-side class, and it should produce rotations
that are consistent with QMatrix4x4. So its precision was changed too.
A consequence of this change is that the following no longer works
in a portable fashion:
QMatrix4x4 mat;
...
glLoadMatrixf(mat.constData());
The caller must now repack the argument to convert from qreal to GLfloat.
Reviewed-by: Michael Goddard
Reviewed-by: Andreas
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Reviewed-by: Trust Me
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Reviewed-by: Trust Me
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Using qMemCopy limits QGenericMatrix to plain old types like
float and double. Copying the values normally will allow
copy constructors to work on non plain types.
Reviewed-by: trustme
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Reviewed-by: Trust Me
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The MODULE placeholder shouldn't be used anymore, and neither should the
old Trolltech license header.
Reviewed-by: Trust Me
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The signature was using qreal, when it should have used T.
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The main use case for fixed-point support is to build large
arrays of vertices. This can be handled using qvertextype or
something similar at higher levels. So it isn't worth risking
numerical instability in the core classes.
Reviewed-by: trustme
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These sources had the old headers. Update to the new LGPL ones.
Reviewed-by: TrustMe
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