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Updated version of LGPL and FDL licenseheaders.
Apply release phase licenseheaders for all source files.
Reviewed-by: Trust Me
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Reviewed-by: Trust Me
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Reviewed-by: Trust Me
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Reviewed-by: Sarah Smith
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It is useful to be able to map direction vectors by the top-left
3x3 component of a 4x4 matrix, ignoring the translation and
projection components.
Reviewed-by: Sarah Smith
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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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Some of the platform test infrastructure assumes that all unit
tests are sub-directories under tests/auto, and the tests/auto/math3d
sub-directory was confusing that infrastructure.
Reviewed-by: trustme
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