From 7110c37d5e0a37d64c9867af5b1a4c9316a13ed0 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Fri, 26 Nov 1999 16:27:05 +0000
Subject: [PATCH] generate Z values when fog enabled (Andree Borrmann)

---
 src/mesa/main/drawpix.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/src/mesa/main/drawpix.c b/src/mesa/main/drawpix.c
index 60a30c25664..3bd164159d9 100644
--- a/src/mesa/main/drawpix.c
+++ b/src/mesa/main/drawpix.c
@@ -1,4 +1,4 @@
-/* $Id: drawpix.c,v 1.9 1999/11/24 18:48:31 brianp Exp $ */
+/* $Id: drawpix.c,v 1.10 1999/11/26 16:27:05 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -417,7 +417,7 @@ draw_index_pixels( GLcontext *ctx, GLint x, GLint y,
    drawWidth = (width > MAX_WIDTH) ? MAX_WIDTH : width;
 
    /* Fragment depth values */
-   if (ctx->Depth.Test) {
+   if (ctx->Depth.Test || ctx->Fog.Enabled) {
       GLdepth zval = (GLdepth) (ctx->Current.RasterPos[2] * DEPTH_SCALE);
       GLint i;
       for (i = 0; i < drawWidth; i++) {
@@ -623,7 +623,7 @@ draw_rgba_pixels( GLcontext *ctx, GLint x, GLint y,
       return;
 
    /* Fragment depth values */
-   if (ctx->Depth.Test) {
+   if (ctx->Depth.Test || ctx->Fog.Enabled) {
       /* fill in array of z values */
       GLdepth z = (GLdepth) (ctx->Current.RasterPos[2] * DEPTH_SCALE);
       GLint i;
-- 
2.30.2