From eb326f5f01ed2d904e23ada533b92d5570beafee Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Sat, 21 Oct 2000 01:29:12 +0000
Subject: [PATCH] fixed a texture enable bug

---
 src/mesa/main/enable.c | 30 +++++-------------------------
 src/mesa/main/state.c  |  7 +++++--
 2 files changed, 10 insertions(+), 27 deletions(-)

diff --git a/src/mesa/main/enable.c b/src/mesa/main/enable.c
index 0adf0f5522e..a706ea5d3d7 100644
--- a/src/mesa/main/enable.c
+++ b/src/mesa/main/enable.c
@@ -1,10 +1,10 @@
-/* $Id: enable.c,v 1.25 2000/10/05 23:10:42 brianp Exp $ */
+/* $Id: enable.c,v 1.26 2000/10/21 01:29:12 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
- * Version:  3.3
+ * Version:  3.5
  * 
- * Copyright (C) 1999  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2000  Brian Paul   All Rights Reserved.
  * 
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
@@ -357,48 +357,39 @@ void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state )
       case GL_TEXTURE_1D:
          if (ctx->Visual.RGBAflag) {
 	    const GLuint curr = ctx->Texture.CurrentUnit;
-	    const GLuint flag = TEXTURE0_1D << (curr * 4);
             struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr];
 	    ctx->NewState |= NEW_TEXTURE_ENABLE;
             if (state) {
 	       texUnit->Enabled |= TEXTURE0_1D;
-	       ctx->Enabled |= flag;
 	    }
             else {
                texUnit->Enabled &= ~TEXTURE0_1D;
-               ctx->Enabled &= ~flag;
             }
          }
          break;
       case GL_TEXTURE_2D:
          if (ctx->Visual.RGBAflag) {
 	    const GLuint curr = ctx->Texture.CurrentUnit;
-	    const GLuint flag = TEXTURE0_2D << (curr * 4);
             struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr];
 	    ctx->NewState |= NEW_TEXTURE_ENABLE;
             if (state) {
 	       texUnit->Enabled |= TEXTURE0_2D;
-	       ctx->Enabled |= flag;
 	    }
             else {
                texUnit->Enabled &= ~TEXTURE0_2D;
-               ctx->Enabled &= ~flag;
             }
          }
 	 break;
       case GL_TEXTURE_3D:
          if (ctx->Visual.RGBAflag) {
 	    const GLuint curr = ctx->Texture.CurrentUnit;
-	    const GLuint flag = TEXTURE0_3D << (curr * 4);
             struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr];
 	    ctx->NewState |= NEW_TEXTURE_ENABLE;
             if (state) {
 	       texUnit->Enabled |= TEXTURE0_3D;
-	       ctx->Enabled |= flag;
 	    }
             else {
                texUnit->Enabled &= ~TEXTURE0_3D;
-               ctx->Enabled &= ~flag;
             }
          }
          break;
@@ -528,35 +519,24 @@ void _mesa_set_enable( GLcontext *ctx, GLenum cap, GLboolean state )
          if (ctx->Extensions.HaveTextureCubeMap) {
             if (ctx->Visual.RGBAflag) {
                const GLuint curr = ctx->Texture.CurrentUnit;
-               const GLuint flag = TEXTURE0_CUBE << (curr * 4);
                struct gl_texture_unit *texUnit = &ctx->Texture.Unit[curr];
                ctx->NewState |= NEW_TEXTURE_ENABLE;
                if (state) {
                   texUnit->Enabled |= TEXTURE0_CUBE;
-                  ctx->Enabled |= flag;
                }
                else {
                   texUnit->Enabled &= ~TEXTURE0_CUBE;
-                  ctx->Enabled &= ~flag;
                }
             }
          }
          else {
-            if (state)
-               gl_error(ctx, GL_INVALID_ENUM, "glEnable");
-            else
-               gl_error(ctx, GL_INVALID_ENUM, "glDisable");
+            gl_error(ctx, GL_INVALID_ENUM, state ? "glEnable" : "glDisable");
             return;
          }
 	 break;
 
       default:
-	 if (state) {
-	    gl_error( ctx, GL_INVALID_ENUM, "glEnable" );
-	 }
-	 else {
-	    gl_error( ctx, GL_INVALID_ENUM, "glDisable" );
-	 }
+         gl_error(ctx, GL_INVALID_ENUM, state ? "glEnable" : "glDisable");
          return;
    }
 
diff --git a/src/mesa/main/state.c b/src/mesa/main/state.c
index bc0e0142139..3bdd3f58d33 100644
--- a/src/mesa/main/state.c
+++ b/src/mesa/main/state.c
@@ -1,4 +1,4 @@
-/* $Id: state.c,v 1.32 2000/10/20 19:54:49 brianp Exp $ */
+/* $Id: state.c,v 1.33 2000/10/21 01:29:12 brianp Exp $ */
 
 /*
  * Mesa 3-D graphics library
@@ -883,8 +883,11 @@ void gl_update_state( GLcontext *ctx )
                ctx->Texture.MultiTextureEnabled = GL_TRUE;
             }
 	 }
+         else {
+            ctx->Texture.Unit[i].ReallyEnabled = 0;
+         }
       }
-
+      ctx->Enabled = (ctx->Enabled & ~ENABLE_TEX_ANY) | ctx->Texture.ReallyEnabled;
       ctx->NeedNormals = (ctx->Light.Enabled || ctx->Texture.NeedNormals);
    }
 
-- 
2.30.2