From 2d8db39301349f67e17fc1b21e5d33d5f44cd521 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Tue, 27 Jun 2000 22:10:00 +0000
Subject: added aligned memory allocations (Gareth Hughes)

---
 src/mesa/main/matrix.c | 23 +++++++++++++++--------
 1 file changed, 15 insertions(+), 8 deletions(-)

(limited to 'src/mesa/main/matrix.c')

diff --git a/src/mesa/main/matrix.c b/src/mesa/main/matrix.c
index 5eb5bb43f0..5db2542a6e 100644
--- a/src/mesa/main/matrix.c
+++ b/src/mesa/main/matrix.c
@@ -1,4 +1,4 @@
-/* $Id: matrix.c,v 1.17 2000/04/08 18:57:45 brianp Exp $ */
+/* $Id: matrix.c,v 1.18 2000/06/27 22:10:00 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -1562,16 +1562,23 @@ void gl_calculate_model_project_matrix( GLcontext *ctx )
 
 void gl_matrix_ctr( GLmatrix *m )
 {
+   if ( m->m == 0 ) {
+      m->m = (GLfloat *) ALIGN_MALLOC( 16 * sizeof(GLfloat), 16 );
+   }
+   MEMCPY( m->m, Identity, sizeof(Identity) );
    m->inv = 0;
-   MEMCPY( m->m, Identity, sizeof(Identity));
    m->type = MATRIX_IDENTITY;
    m->flags = MAT_DIRTY_DEPENDENTS;
 }
 
 void gl_matrix_dtr( GLmatrix *m )
 {
-   if (m->inv != 0) {
-      FREE(m->inv);
+   if ( m->m != 0 ) {
+      ALIGN_FREE( m->m );
+      m->m = 0;
+   }
+   if ( m->inv != 0 ) {
+      ALIGN_FREE( m->inv );
       m->inv = 0;
    }
 }
@@ -1579,7 +1586,7 @@ void gl_matrix_dtr( GLmatrix *m )
 #if 0
 void gl_matrix_set_identity( GLmatrix *m )
 {
-   MEMCPY( m->m, Identity, sizeof(Identity));
+   MEMCPY( m->m, Identity, sizeof(Identity) );
    m->type = MATRIX_IDENTITY;
    m->flags = MAT_DIRTY_DEPENDENTS;
 }
@@ -1587,15 +1594,15 @@ void gl_matrix_set_identity( GLmatrix *m )
 
 void gl_matrix_alloc_inv( GLmatrix *m )
 {
-   if (m->inv == 0) {
-      m->inv = (GLfloat *)MALLOC(16*sizeof(GLfloat));
+   if ( m->inv == 0 ) {
+      m->inv = (GLfloat *) ALIGN_MALLOC( 16 * sizeof(GLfloat), 16 );
       MEMCPY( m->inv, Identity, 16 * sizeof(GLfloat) );
    }
 }
 
 void gl_matrix_copy( GLmatrix *to, const GLmatrix *from )
 {
-   MEMCPY( to->m, from->m, sizeof(Identity));
+   MEMCPY( to->m, from->m, sizeof(Identity) );
    to->flags = from->flags | MAT_DIRTY_DEPENDENTS;
    to->type = from->type;
 
-- 
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