diff options
| author | Jonathan Bestien-Filiatrault <joe@x2a.org> | 2007-09-12 16:21:13 -0600 |
|---|---|---|
| committer | Brian <brian.paul@tungstengraphics.com> | 2007-09-12 16:21:13 -0600 |
| commit | 5fdeb52e5d21bfb7feff2253c7d9e18e6b3cb252 (patch) | |
| tree | 8920b539c3638a4ce56cde3c82e645cd76dd0061 /src/glu/mini | |
| parent | ae0dd620fec580b77b0901ed1376e6a6b2569c7e (diff) | |
check return value of invert_matrix()
Diffstat (limited to 'src/glu/mini')
| -rw-r--r-- | src/glu/mini/project.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/glu/mini/project.c b/src/glu/mini/project.c index a2747de55f..71279947cf 100644 --- a/src/glu/mini/project.c +++ b/src/glu/mini/project.c @@ -347,7 +347,8 @@ gluUnProject(GLdouble winx, GLdouble winy, GLdouble winz, /* calcul transformation inverse */ matmul(A, proj, model); - invert_matrix(A, m); + if (!invert_matrix(A, m)) + return GL_FALSE; /* d'ou les coordonnees objets */ transform_point(out, m, in); @@ -387,7 +388,8 @@ gluUnProject4(GLdouble winx, GLdouble winy, GLdouble winz, GLdouble clipw, /* calcul transformation inverse */ matmul(A, projMatrix, modelMatrix); - invert_matrix(A, m); + if (!invert_matrix(A, m)) + return GL_FALSE; /* d'ou les coordonnees objets */ transform_point(out, m, in); |