SF.net SVN: alleg:[11553] allegro/branches/4.9/addons/primitives/ high_primitives.c

[<Sie...@us...>]

Revision: 11553
          http://alleg.svn.sourceforge.net/alleg/?rev=11553&view=rev
Author:   SiegeLord
Date:     2009-02-06 02:05:36 +0000 (Fri, 06 Feb 2009)

Log Message:
-----------
Altered high level primitives caching mechanism

Modified Paths:
--------------
    allegro/branches/4.9/addons/primitives/high_primitives.c

Modified: allegro/branches/4.9/addons/primitives/high_primitives.c
===================================================================
--- allegro/branches/4.9/addons/primitives/high_primitives.c	2009-02-06 01:50:00 UTC (rev 11552)
+++ allegro/branches/4.9/addons/primitives/high_primitives.c	2009-02-06 02:05:36 UTC (rev 11553)
@@ -42,15 +42,24 @@
 
 static ALLEGRO_VBUFFER* cache_buffer;
 static float* cache_point_buffer;
+static int cache_point_size;
 
 static void verify_cache(void)
 {
    if (!cache_buffer) {
       cache_buffer = al_create_vbuff(ALLEGRO_VBUFF_CACHE_SIZE, ALLEGRO_VBUFFER_SOFT | ALLEGRO_VBUFFER_WRITE | ALLEGRO_VBUFFER_READ);
-      cache_point_buffer = malloc(2 * sizeof(float) * ALLEGRO_VBUFF_CACHE_SIZE);
    }
 }
 
+static void update_point_cache(int size)
+{
+   if(size >= cache_point_size) {
+      free(cache_point_buffer);
+      cache_point_buffer = malloc(2 * sizeof(float) * size);
+      cache_point_size = size;
+   }
+}
+
 /* Function: al_draw_line_ex
  */
 void al_draw_line_ex(float x1, float y1, float x2, float y2,
@@ -514,6 +523,7 @@
 
    ASSERT(vbuff);
    ASSERT(points);
+   update_point_cache(num_segments);
 
    dt = 1.0 / (num_segments - 1);
    dt2 = (dt * dt);


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.