From d179e16501c408e1c57e436d5cf597c91f7ef040 Mon Sep 17 00:00:00 2001
From: Brian Paul <brian.paul@tungstengraphics.com>
Date: Fri, 30 Jun 2006 15:41:55 +0000
Subject: [PATCH] Added _mesa_delete_list() to delete a display list, but don't
 remove from hash table.  Make _mesa_destroy_list() static.

---
 src/mesa/main/dlist.c | 64 +++++++++++++++++++++++++++----------------
 src/mesa/main/dlist.h | 10 +++----
 2 files changed, 44 insertions(+), 30 deletions(-)

diff --git a/src/mesa/main/dlist.c b/src/mesa/main/dlist.c
index 883fa730163..46e33a11d9d 100644
--- a/src/mesa/main/dlist.c
+++ b/src/mesa/main/dlist.c
@@ -1,6 +1,6 @@
 /*
  * Mesa 3-D graphics library
- * Version:  6.5
+ * Version:  6.5.1
  *
  * Copyright (C) 1999-2006  Brian Paul   All Rights Reserved.
  *
@@ -428,27 +428,28 @@ make_list(GLuint list, GLuint count)
 }
 
 
+/**
+ * Lookup function to just encapsulate casting.
+ */
+static INLINE struct mesa_display_list *
+lookup_list(GLcontext *ctx, GLuint list)
+{
+   return (struct mesa_display_list *)
+      _mesa_HashLookup(ctx->Shared->DisplayList, list);
+}
+
+
 
 /**
- * Destroy all nodes in a display list.
- * \param list - display list number
+ * Delete the named display list, but don't remove from hash table.
+ * \param dlist - display list pointer
  */
 void
-_mesa_destroy_list(GLcontext *ctx, GLuint list)
+_mesa_delete_list(GLcontext *ctx, struct mesa_display_list *dlist)
 {
-   struct mesa_display_list *dlist;
    Node *n, *block;
    GLboolean done;
 
-   if (list == 0)
-      return;
-
-   dlist =
-      (struct mesa_display_list *) _mesa_HashLookup(ctx->Shared->DisplayList,
-                                                    list);
-   if (!dlist)
-      return;
-
    n = block = dlist->node;
 
    done = block ? GL_FALSE : GL_TRUE;
@@ -588,10 +589,29 @@ _mesa_destroy_list(GLcontext *ctx, GLuint list)
    }
 
    _mesa_free(dlist);
-   _mesa_HashRemove(ctx->Shared->DisplayList, list);
 }
 
 
+/**
+ * Destroy a display list and remove from hash table.
+ * \param list - display list number
+ */
+static void
+destroy_list(GLcontext *ctx, GLuint list)
+{
+   struct mesa_display_list *dlist;
+
+   if (list == 0)
+      return;
+
+   dlist = lookup_list(ctx, list);
+   if (!dlist)
+      return;
+
+   _mesa_delete_list(ctx, dlist);
+   _mesa_HashRemove(ctx->Shared->DisplayList, list);
+}
+
 
 /*
  * Translate the nth element of list from type to GLuint.
@@ -5642,7 +5662,7 @@ _mesa_compile_error(GLcontext *ctx, GLenum error, const char *s)
 static GLboolean
 islist(GLcontext *ctx, GLuint list)
 {
-   if (list > 0 && _mesa_HashLookup(ctx->Shared->DisplayList, list)) {
+   if (list > 0 && lookup_list(ctx, list)) {
       return GL_TRUE;
    }
    else {
@@ -5678,10 +5698,7 @@ execute_list(GLcontext *ctx, GLuint list)
       return;
    }
 
-
-   dlist =
-      (struct mesa_display_list *) _mesa_HashLookup(ctx->Shared->DisplayList,
-                                                    list);
+   dlist = lookup_list(ctx, list);
    if (!dlist)
       return;
 
@@ -6616,7 +6633,7 @@ _mesa_DeleteLists(GLuint list, GLsizei range)
       return;
    }
    for (i = list; i < list + range; i++) {
-      _mesa_destroy_list(ctx, i);
+      destroy_list(ctx, i);
    }
 }
 
@@ -6745,7 +6762,7 @@ _mesa_EndList(void)
    (void) ALLOC_INSTRUCTION(ctx, OPCODE_END_OF_LIST, 0);
 
    /* Destroy old list, if any */
-   _mesa_destroy_list(ctx, ctx->ListState.CurrentListNum);
+   destroy_list(ctx, ctx->ListState.CurrentListNum);
    /* Install the list */
    _mesa_HashInsert(ctx->Shared->DisplayList, ctx->ListState.CurrentListNum,
                     ctx->ListState.CurrentList);
@@ -8164,8 +8181,7 @@ print_list(GLcontext *ctx, GLuint list)
       return;
    }
 
-   dlist = (struct mesa_display_list *)
-      _mesa_HashLookup(ctx->Shared->DisplayList, list);
+   dlist = lookup_list(ctx, list);
    if (!dlist)
       return;
 
diff --git a/src/mesa/main/dlist.h b/src/mesa/main/dlist.h
index 9436603d0a5..ef6a10af832 100644
--- a/src/mesa/main/dlist.h
+++ b/src/mesa/main/dlist.h
@@ -5,9 +5,9 @@
 
 /*
  * Mesa 3-D graphics library
- * Version:  5.1
+ * Version:  6.5.1
  *
- * Copyright (C) 1999-2003  Brian Paul   All Rights Reserved.
+ * Copyright (C) 1999-2006  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"),
@@ -38,7 +38,8 @@
 
 #if _HAVE_FULL_GL
 
-extern void _mesa_destroy_list( GLcontext *ctx, GLuint list );
+extern void
+_mesa_delete_list(GLcontext *ctx, struct mesa_display_list *dlist);
 
 extern void GLAPIENTRY _mesa_CallList( GLuint list );
 
@@ -81,9 +82,6 @@ extern void _mesa_save_vtxfmt_init( GLvertexformat *vfmt );
 
 #else
 
-/** No-op */
-#define _mesa_destroy_list(c,l) ((void)0)
-
 /** No-op */
 #define _mesa_init_dlist_table(t,ts) ((void)0)
 
-- 
2.30.2