Remove the Shared->TexObjectList pointer and Next field from gl_texture_object.

Was only used by two drivers to walk over all texture objects.  Can do that
via the hash table instead.
Cleaned up some comments for struct gl_texture_object.

src/mesa/main/mtypes.h

@@ -1250,13 +1250,9 @@ struct gl_texture_object
    GLfloat Priority;		/**< in [0,1] */
    GLfloat BorderColor[4];	/**< unclamped */
    GLchan _BorderChan[4];	/**< clamped, as GLchan */
-   /** \name Wrap modes
+   GLenum WrapS;		/**< S-axis texture image wrap mode */
-    * Are GL_CLAMP, REPEAT, GL_CLAMP_TO_EDGE, and GL_CLAMP_TO_BORDER_ARB. */
+   GLenum WrapT;		/**< T-axis texture image wrap mode */
-   /*@{*/
+   GLenum WrapR;		/**< R-axis texture image wrap mode */
-   GLenum WrapS;
-   GLenum WrapT;
-   GLenum WrapR;
-   /*@}*/
    GLenum MinFilter;		/**< minification filter */
    GLenum MagFilter;		/**< magnification filter */
    GLfloat MinLod;		/**< min lambda, OpenGL 1.2 */
@@ -1267,7 +1263,7 @@ struct gl_texture_object
    GLfloat MaxAnisotropy;	/**< GL_EXT_texture_filter_anisotropic */
    GLboolean CompareFlag;	/**< GL_SGIX_shadow */
    GLenum CompareOperator;	/**< GL_SGIX_shadow */
-   GLfloat ShadowAmbient;
+   GLfloat ShadowAmbient;       /**< GL_ARB_shadow_ambient */
    GLenum CompareMode;		/**< GL_ARB_shadow */
    GLenum CompareFunc;		/**< GL_ARB_shadow */
    GLenum DepthMode;		/**< GL_ARB_depth_texture */
@@ -1275,21 +1271,23 @@ struct gl_texture_object
    GLfloat _MaxLambda;		/**< = _MaxLevel - BaseLevel (q - b in spec) */
    GLboolean GenerateMipmap;    /**< GL_SGIS_generate_mipmap */
    GLboolean _IsPowerOfTwo;	/**< Are all image dimensions powers of two? */
+   GLboolean Complete;		/**< Is texture object complete? */
 
+   /** Actual texture images, indexed by [cube face] and [mipmap level] */
    struct gl_texture_image *Image[MAX_FACES][MAX_TEXTURE_LEVELS];
 
    /** GL_EXT_paletted_texture */
    struct gl_color_table Palette;
 
-   GLboolean Complete;			/**< Is texture object complete? */
-   struct gl_texture_object *Next;	/**< Next in linked list */
 
    /**
-    * \name For device driver
+    * \name For device driver.
+    * Note: instead of attaching driver data to this pointer, it's preferable
+    * to instead use this struct as a base class for your own texture object
+    * class.  Driver->NewTextureObject() can be used to implement the
+    * allocation.
     */
-   /*@{*/
    void *DriverData;	/**< Arbitrary device driver data */
-   /*@}*/
 };
 
 
@@ -1935,7 +1933,6 @@ struct gl_shared_state
    GLint RefCount;			   /**< Reference count */
    struct _mesa_HashTable *DisplayList;	   /**< Display lists hash table */
    struct _mesa_HashTable *TexObjects;	   /**< Texture objects hash table */
-   struct gl_texture_object *TexObjectList;/**< Linked list of texture objects */
 
    /**
     * \name Default texture objects (shared by all multi-texture units)

src/mesa/main/texobj.c

@@ -157,63 +157,11 @@ _mesa_delete_texture_object( GLcontext *ctx, struct gl_texture_object *texObj )
 }
 
 
-/**
- * Add the given texture object to the texture object pool.
- */
-void
-_mesa_save_texture_object( GLcontext *ctx, struct gl_texture_object *texObj )
-{
-   /* insert into linked list */
-   _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
-   texObj->Next = ctx->Shared->TexObjectList;
-   ctx->Shared->TexObjectList = texObj;
-   _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
 
-   if (texObj->Name > 0) {
-      /* insert into hash table */
-      _mesa_HashInsert(ctx->Shared->TexObjects, texObj->Name, texObj);
-   }
-}
-
-
-/**
- * Remove the given texture object from the texture object pool.
- * Do not deallocate the texture object though.
- */
-void
-_mesa_remove_texture_object( GLcontext *ctx, struct gl_texture_object *texObj )
-{
-   struct gl_texture_object *tprev, *tcurr;
-
-   _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
-
-   /* unlink from the linked list */
-   tprev = NULL;
-   tcurr = ctx->Shared->TexObjectList;
-   while (tcurr) {
-      if (tcurr == texObj) {
-         if (tprev) {
-            tprev->Next = texObj->Next;
-         }
-         else {
-            ctx->Shared->TexObjectList = texObj->Next;
-         }
-         break;
-      }
-      tprev = tcurr;
-      tcurr = tcurr->Next;
-   }
-
-   _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
-
-   if (texObj->Name > 0) {
-      /* remove from hash table */
-      _mesa_HashRemove(ctx->Shared->TexObjects, texObj->Name);
-   }
-}
 
 /**
  * Copy texture object state from one texture object to another.
+ * Use for glPush/PopAttrib.
  *
  * \param dest destination texture object.
  * \param src source texture object.
@@ -620,7 +568,12 @@ _mesa_GenTextures( GLsizei n, GLuint *textures )
          _mesa_error(ctx, GL_OUT_OF_MEMORY, "glGenTextures");
          return;
       }
-      _mesa_save_texture_object(ctx, texObj);
+
+      /* insert into hash table */
+      _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+      _mesa_HashInsert(ctx->Shared->TexObjects, texObj->Name, texObj);
+      _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+
       textures[i] = name;
    }
 
@@ -702,8 +655,13 @@ _mesa_DeleteTextures( GLsizei n, const GLuint *textures)
             }
             ctx->NewState |= _NEW_TEXTURE;
 
-            /* The texture _name_ is now free for re-use. */
+            /* The texture _name_ is now free for re-use.
-            _mesa_remove_texture_object(ctx, delObj);
+             * Remove it from the hash table now.
+             */
+            _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+            _mesa_HashRemove(ctx->Shared->TexObjects, delObj->Name);
+            _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
+
             /* The actual texture object will not be freed until it's no
              * longer bound in any context.
              * XXX all RefCount accesses should be protected by a mutex.
@@ -848,7 +806,11 @@ _mesa_BindTexture( GLenum target, GLuint texName )
             _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBindTexture");
             return;
          }
-         _mesa_save_texture_object(ctx, newTexObj);
+
+         /* and insert it into hash table */
+         _glthread_LOCK_MUTEX(ctx->Shared->Mutex);
+         _mesa_HashInsert(ctx->Shared->TexObjects, texName, newTexObj);
+         _glthread_UNLOCK_MUTEX(ctx->Shared->Mutex);
       }
       newTexObj->Target = target;
    }

src/mesa/main/texobj.h

@@ -50,12 +50,6 @@ _mesa_initialize_texture_object( struct gl_texture_object *obj,
 extern void
 _mesa_delete_texture_object( GLcontext *ctx, struct gl_texture_object *obj );
 
-extern void
-_mesa_save_texture_object( GLcontext *ctx, struct gl_texture_object *obj );
-
-extern void
-_mesa_remove_texture_object( GLcontext *ctx, struct gl_texture_object *obj );
-
 extern void
 _mesa_copy_texture_object( struct gl_texture_object *dest,
                            const struct gl_texture_object *src );