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Test for NULL pointer for LoadMatrix(), MultMatrix() and

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Load/MultTransposeMatrix() and return without recording any errors or
doing any multiplication.
This commit is contained in:
Alan Hourihane 2002-04-22 20:00:16 +00:00
parent fdd631a941
commit dec0131a29
1 changed files with 9 additions and 1 deletions
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10
src/mesa/main/matrix.c
View file

@ -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);
}