update font to include australia title. Update other glyph mappings

[vg.git] / vg_mem_pool.h

diff --git a/vg_mem_pool.h b/vg_mem_pool.h
index d5742b48009bf792dba7bfe6f7d187a655f75e83..3a61881ddca69ae9584f3243bc6121ebb318c993 100644 (file)
--- a/vg_mem_pool.h
+++ b/vg_mem_pool.h
@@ -1,106 +1,26 @@
-#ifndef VG_MEM_POOL_H
-#define VG_MEM_POOL_H
-
-/* pool for loaded addons */
-#define VG_POOL_NIL 0xffff
+#pragma once
+#include "vg_platform.h"
 
 typedef struct vg_pool vg_pool;
 typedef struct vg_pool_node vg_pool_node;
 
 /* this goes in your structures */
-struct vg_pool_node {
+struct vg_pool_node 
+{
    u16 l, r, ref_count;
 };
 
-struct vg_pool {
+struct vg_pool 
+{
    void *buffer;           /* array which holds the real data */
    u16 count, head, tail;
    size_t stride, offset;
 };
 
-static vg_pool_node *vg_pool_nodeptr  ( vg_pool *pool, void *item );
-static void         *vg_pool_item     ( vg_pool *pool, u16 index );
-static void          vg_pool_init     ( vg_pool *pool );
-static u16           addon_item_index ( vg_pool *pool, void *item );
-static void         *vg_pool_lru      ( vg_pool *pool );
-static void          vg_pool_watch    ( vg_pool *pool, void *item );
-static void          vg_pool_unwatch  ( vg_pool *pool, void *item );
-
-/* implementation 
- * -------------------------------------------------------------------------- */
-
-static vg_pool_node *vg_pool_nodeptr( vg_pool *pool, void *item ){
-   if( !item ) return NULL;
-   else return item + pool->offset;
-}
-
-static void *vg_pool_item( vg_pool *pool, u16 index ){
-   if( index == VG_POOL_NIL ) return NULL;
-   else return pool->buffer + pool->stride*(size_t)index;
-}
-
-static void vg_pool_init( vg_pool *pool ){
-   pool->head = 0;
-   pool->tail = pool->count -1;
-   for( i32 ib=0; ib < pool->count; ib++ ){
-      void *vb = vg_pool_item( pool, ib );
-      vg_pool_node *nb = vg_pool_nodeptr( pool, vb );
-
-      i32 ia = ib-1, ic = ib+1;
-      nb->l = ia>=0?           ia: VG_POOL_NIL,
-      nb->r = ic<pool->count? ic: VG_POOL_NIL;
-      nb->ref_count = 0;
-   }
-}
-
-static u16 addon_item_index( vg_pool *pool, void *item ){
-   return (item - pool->buffer) / pool->stride;
-}
-
-static void *vg_pool_lru( vg_pool *pool ){
-   u16 head = pool->head;
-   if( head == VG_POOL_NIL ) return NULL;
-
-   void *item = vg_pool_item( pool, head );
-   vg_pool_node *node = vg_pool_nodeptr( pool, item );
-
-   if( pool->head == pool->tail ) pool->tail = VG_POOL_NIL;
-   pool->head = node->r;
-
-   node->l = VG_POOL_NIL;
-   node->r = VG_POOL_NIL;
-   return item;
-}
-
-static void vg_pool_watch( vg_pool *pool, void *item ){
-   vg_pool_node *node = vg_pool_nodeptr( pool, item );
-
-   if( node->ref_count >= 128 )
-      vg_fatal_error( "pool watch missmatch (limit is 128)\n" );
-
-   node->ref_count ++;
-}
-
-/* if after this no more watches, places back into the volatile list */
-static void vg_pool_unwatch( vg_pool *pool, void *item ){ 
-   vg_pool_node *node = vg_pool_nodeptr( pool, item );
-
-   if( node->ref_count == 0 )
-      vg_fatal_error( "pool unwatch missmatch (no watchers)\n" );
-
-   node->ref_count --;
-   if( !node->ref_count ){
-      void *item_head = vg_pool_item( pool, pool->head ),
-           *item_tail = vg_pool_item( pool, pool->tail );
-      vg_pool_node *head = vg_pool_nodeptr( pool, item_head ),
-                   *tail = vg_pool_nodeptr( pool, item_tail );
-      
-      u16 index = addon_item_index( pool, item );
-      if( tail ) tail->r = index;
-      node->l = pool->tail;
-      pool->tail = index;
-      if( !head ) pool->head = index;
-   }
-}
-
-#endif /* VG_MEM_POOL_H */
+vg_pool_node *vg_pool_nodeptr  ( vg_pool *pool, u16 id );
+void         *vg_pool_item     ( vg_pool *pool, u16 id );
+void          vg_pool_init     ( vg_pool *pool );
+u16           vg_pool_id       ( vg_pool *pool, void *item );
+u16           vg_pool_lru      ( vg_pool *pool );
+void          vg_pool_watch    ( vg_pool *pool, u16 id );
+void          vg_pool_unwatch  ( vg_pool *pool, u16 id );