diff options
| author | Alan Hourihane <alanh@tungstengraphics.com> | 2002-04-22 20:00:16 +0000 |
|---|---|---|
| committer | Alan Hourihane <alanh@tungstengraphics.com> | 2002-04-22 20:00:16 +0000 |
| commit | dec0131a29584171f88e6734c0ec6a429c22b007 (patch) | |
| tree | d461ef56fa1d0a746375edfbc88a808fd18640ca /src/mesa/main/matrix.c | |
| parent | fdd631a941b4c71c50b64cea2575ab0e3bbe1968 (diff) | |
Test for NULL pointer for LoadMatrix(), MultMatrix() and
Load/MultTransposeMatrix() and return without recording any errors or
doing any multiplication.
Diffstat (limited to 'src/mesa/main/matrix.c')
| -rw-r--r-- | src/mesa/main/matrix.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/src/mesa/main/matrix.c b/src/mesa/main/matrix.c index eaec178b0a..bef520a467 100644 --- a/src/mesa/main/matrix.c +++ b/src/mesa/main/matrix.c @@ -1,4 +1,4 @@ -/* $Id: matrix.c,v 1.39 2002/02/15 16:24:37 brianp Exp $ */ +/* $Id: matrix.c,v 1.40 2002/04/22 20:00:16 alanh Exp $ */ /* * Mesa 3-D graphics library @@ -209,6 +209,7 @@ void _mesa_LoadMatrixf( const GLfloat *m ) { GET_CURRENT_CONTEXT(ctx); + if (!m) return; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); _math_matrix_loadf( ctx->CurrentStack->Top, m ); ctx->NewState |= ctx->CurrentStack->DirtyFlag; @@ -220,6 +221,7 @@ _mesa_LoadMatrixd( const GLdouble *m ) { GLint i; GLfloat f[16]; + if (!m) return; for (i = 0; i < 16; i++) f[i] = (GLfloat) m[i]; _mesa_LoadMatrixf(f); @@ -234,6 +236,7 @@ void _mesa_MultMatrixf( const GLfloat *m ) { GET_CURRENT_CONTEXT(ctx); + if (!m) return; ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx); _math_matrix_mul_floats( ctx->CurrentStack->Top, m ); ctx->NewState |= ctx->CurrentStack->DirtyFlag; @@ -248,6 +251,7 @@ _mesa_MultMatrixd( const GLdouble *m ) { GLint i; GLfloat f[16]; + if (!m) return; for (i = 0; i < 16; i++) f[i] = (GLfloat) m[i]; _mesa_MultMatrixf( f ); @@ -321,6 +325,7 @@ void _mesa_LoadTransposeMatrixfARB( const GLfloat *m ) { GLfloat tm[16]; + if (!m) return; _math_transposef(tm, m); _mesa_LoadMatrixf(tm); } @@ -330,6 +335,7 @@ void _mesa_LoadTransposeMatrixdARB( const GLdouble *m ) { GLfloat tm[16]; + if (!m) return; _math_transposefd(tm, m); _mesa_LoadMatrixf(tm); } @@ -339,6 +345,7 @@ void _mesa_MultTransposeMatrixfARB( const GLfloat *m ) { GLfloat tm[16]; + if (!m) return; _math_transposef(tm, m); _mesa_MultMatrixf(tm); } @@ -348,6 +355,7 @@ void _mesa_MultTransposeMatrixdARB( const GLdouble *m ) { GLfloat tm[16]; + if (!m) return; _math_transposefd(tm, m); _mesa_MultMatrixf(tm); } |