From 34c6d687ca49c997390ffbdee50a83495444e5bf Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Mon, 21 Feb 2000 23:00:51 +0000
Subject: fixed off by one error in matrix stack depths (Eero Pajarre)

---
 src/mesa/main/matrix.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'src/mesa')

diff --git a/src/mesa/main/matrix.c b/src/mesa/main/matrix.c
index 278584076b0..f340b1ecd1d 100644
--- a/src/mesa/main/matrix.c
+++ b/src/mesa/main/matrix.c
@@ -1,4 +1,4 @@
-/* $Id: matrix.c,v 1.14 2000/02/02 19:28:27 brianp Exp $ */
+/* $Id: matrix.c,v 1.15 2000/02/21 23:00:51 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -1058,7 +1058,7 @@ _mesa_PushMatrix( void )
 
    switch (ctx->Transform.MatrixMode) {
       case GL_MODELVIEW:
-         if (ctx->ModelViewStackDepth>=MAX_MODELVIEW_STACK_DEPTH-1) {
+         if (ctx->ModelViewStackDepth >= MAX_MODELVIEW_STACK_DEPTH - 1) {
             gl_error( ctx,  GL_STACK_OVERFLOW, "glPushMatrix");
             return;
          }
@@ -1066,7 +1066,7 @@ _mesa_PushMatrix( void )
 			 &ctx->ModelView );
          break;
       case GL_PROJECTION:
-         if (ctx->ProjectionStackDepth>=MAX_PROJECTION_STACK_DEPTH) {
+         if (ctx->ProjectionStackDepth >= MAX_PROJECTION_STACK_DEPTH - 1) {
             gl_error( ctx,  GL_STACK_OVERFLOW, "glPushMatrix");
             return;
          }
@@ -1082,7 +1082,7 @@ _mesa_PushMatrix( void )
       case GL_TEXTURE:
          {
             GLuint t = ctx->Texture.CurrentTransformUnit;
-            if (ctx->TextureStackDepth[t] >= MAX_TEXTURE_STACK_DEPTH) {
+            if (ctx->TextureStackDepth[t] >= MAX_TEXTURE_STACK_DEPTH - 1) {
                gl_error( ctx,  GL_STACK_OVERFLOW, "glPushMatrix");
                return;
             }
-- 
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