From 760960028f189e3afcbfef1f877dbd5b86fd1ae4 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Thu, 28 Aug 2003 16:57:01 +0000
Subject: Updates from Daniel Borca

---
 src/glut/dos/glutint.h | 1 +
 src/glut/dos/init.c    | 5 +++++
 src/glut/dos/window.c  | 8 ++++----
 3 files changed, 10 insertions(+), 4 deletions(-)

(limited to 'src/glut')

diff --git a/src/glut/dos/glutint.h b/src/glut/dos/glutint.h
index 013b307e94..23ab169d39 100644
--- a/src/glut/dos/glutint.h
+++ b/src/glut/dos/glutint.h
@@ -103,6 +103,7 @@ extern GLUTidleCB g_idle_func;
 extern GLUTmenuStatusCB g_menu_status_func;
 
 extern GLuint g_bpp;                  /* HW: bits per pixel */
+extern GLuint g_alpha;                /* HW: alpha bits */
 extern GLuint g_depth;                /* HW: depth bits */
 extern GLuint g_stencil;              /* HW: stencil bits */
 extern GLuint g_accum;                /* HW: accum bits */
diff --git a/src/glut/dos/init.c b/src/glut/dos/init.c
index 22bab9f8af..d30f270c64 100644
--- a/src/glut/dos/init.c
+++ b/src/glut/dos/init.c
@@ -35,6 +35,7 @@
 #define DEFAULT_HEIGHT 300
 #define DEFAULT_BPP    16
 
+#define ALPHA_SIZE   8
 #define DEPTH_SIZE   16
 #define STENCIL_SIZE 8
 #define ACCUM_SIZE   16
@@ -42,6 +43,7 @@
 
 
 GLuint g_bpp = DEFAULT_BPP;
+GLuint g_alpha = ALPHA_SIZE;
 GLuint g_depth = DEPTH_SIZE;
 GLuint g_stencil = STENCIL_SIZE;
 GLuint g_accum = ACCUM_SIZE;
@@ -67,6 +69,9 @@ void APIENTRY glutInit (int *argc, char **argv)
  if ((env = getenv("DMESA_GLUT_BPP")) != NULL) {
     g_bpp = atoi(env);
  }
+ if ((env = getenv("DMESA_GLUT_ALPHA")) != NULL) {
+    g_alpha = atoi(env);
+ }
  if ((env = getenv("DMESA_GLUT_DEPTH")) != NULL) {
     g_depth = atoi(env);
  }
diff --git a/src/glut/dos/window.c b/src/glut/dos/window.c
index 06e8ea9ead..af00897f3e 100644
--- a/src/glut/dos/window.c
+++ b/src/glut/dos/window.c
@@ -71,10 +71,10 @@ int APIENTRY glutCreateWindow (const char *title)
     if ((visual=DMesaCreateVisual(g_init_x + m8width, g_init_y + g_init_h, g_bpp, g_refresh,
                                   g_display_mode & GLUT_DOUBLE,
                                   !(g_display_mode & GLUT_INDEX),
-                                  g_display_mode & GLUT_ALPHA,
-                                  g_display_mode & GLUT_DEPTH   ? g_depth  :0,
-                                  g_display_mode & GLUT_STENCIL ? g_stencil:0,
-                                  g_display_mode & GLUT_ACCUM   ? g_accum  :0))==NULL) {
+                                  (g_display_mode & GLUT_ALPHA  ) ? g_alpha   : 0,
+                                  (g_display_mode & GLUT_DEPTH  ) ? g_depth   : 0,
+                                  (g_display_mode & GLUT_STENCIL) ? g_stencil : 0,
+                                  (g_display_mode & GLUT_ACCUM  ) ? g_accum   : 0))==NULL) {
        return 0;
     }
 
-- 
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