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fix a bug in analyse_from_scratch() reported by Wes Bethel

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Brian Paul
2004-09-09 19:58:03 +00:00
parent 7dc9a8827d
commit 2dab997cb9
1 changed files with 13 additions and 12 deletions
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25
src/mesa/math/m_matrix.c
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@@ -1,16 +1,6 @@
/**
* \file m_matrix.c
* Matrix operations.
*
* \note
* -# 4x4 transformation matrices are stored in memory in column major order.
* -# Points/vertices are to be thought of as column vectors.
* -# Transformation of a point p by a matrix M is: p' = M * p
*/
/* /*
* Mesa 3-D graphics library * Mesa 3-D graphics library
* Version: 6.0.1 * Version: 6.2
* *
* Copyright (C) 1999-2004 Brian Paul All Rights Reserved. * Copyright (C) 1999-2004 Brian Paul All Rights Reserved.
* *
@@ -33,6 +23,17 @@
*/ */
/**
* \file m_matrix.c
* Matrix operations.
*
* \note
* -# 4x4 transformation matrices are stored in memory in column major order.
* -# Points/vertices are to be thought of as column vectors.
* -# Transformation of a point p by a matrix M is: p' = M * p
*/
#include "glheader.h" #include "glheader.h"
#include "imports.h" #include "imports.h"
#include "macros.h" #include "macros.h"
@@ -1142,7 +1143,7 @@ static void analyse_from_scratch( GLmatrix *mat )
mat->type = MATRIX_2D_NO_ROT; mat->type = MATRIX_2D_NO_ROT;
if ((mask & MASK_NO_2D_SCALE) != MASK_NO_2D_SCALE) if ((mask & MASK_NO_2D_SCALE) != MASK_NO_2D_SCALE)
mat->flags = MAT_FLAG_GENERAL_SCALE; mat->flags |= MAT_FLAG_GENERAL_SCALE;
} }
else if ((mask & MASK_2D) == (GLuint) MASK_2D) { else if ((mask & MASK_2D) == (GLuint) MASK_2D) {
GLfloat mm = DOT2(m, m); GLfloat mm = DOT2(m, m);