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mesa: only clear matrix MAT_DIRTY_INVERSE flag when we actually compute the inverse

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If _math_matrix_analyse() got called before we allocated the inverse
matrix array we could lose the flag indicating that we needed to compute
the inverse.  This could happen with certain vertex shader cases.
This commit is contained in:
Brian Paul 2009-04-03 12:49:03 -06:00
parent b8a200ac9d
commit ce461ffc5a
1 changed files with 2 additions and 3 deletions
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5
src/mesa/math/m_matrix.c
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@ -1379,11 +1379,10 @@ _math_matrix_analyse( GLmatrix *mat )
if (mat->inv && (mat->flags & MAT_DIRTY_INVERSE)) {
matrix_invert( mat );
mat->flags &= ~MAT_DIRTY_INVERSE;
}
mat->flags &= ~(MAT_DIRTY_FLAGS|
MAT_DIRTY_TYPE|
MAT_DIRTY_INVERSE);
mat->flags &= ~(MAT_DIRTY_FLAGS | MAT_DIRTY_TYPE);
}
/*@}*/