2 ** License Applicability. Except to the extent portions of this file are
3 ** made subject to an alternative license as permitted in the SGI Free
4 ** Software License B, Version 1.1 (the "License"), the contents of this
5 ** file are subject only to the provisions of the License. You may not use
6 ** this file except in compliance with the License. You may obtain a copy
7 ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600
8 ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at:
10 ** http://oss.sgi.com/projects/FreeB
12 ** Note that, as provided in the License, the Software is distributed on an
13 ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS
14 ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND
15 ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A
16 ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT.
18 ** Original Code. The Original Code is: OpenGL Sample Implementation,
19 ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics,
20 ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc.
21 ** Copyright in any portions created by third parties is as indicated
22 ** elsewhere herein. All Rights Reserved.
24 ** Additional Notice Provisions: The application programming interfaces
25 ** established by SGI in conjunction with the Original Code are The
26 ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released
27 ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version
28 ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X
29 ** Window System(R) (Version 1.3), released October 19, 1998. This software
30 ** was created using the OpenGL(R) version 1.2.1 Sample Implementation
31 ** published by SGI, but has not been independently verified as being
32 ** compliant with the OpenGL(R) version 1.2.1 Specification.
40 #include "glimports.h"
45 /*-----------------------------------------------------------------------------
46 * Pool - allocate a new pool of buffers
47 *-----------------------------------------------------------------------------
49 Pool::Pool( int _buffersize
, int initpoolsize
, const char *n
)
51 if((unsigned)_buffersize
< sizeof(Buffer
))
52 buffersize
= sizeof(Buffer
);
54 buffersize
= _buffersize
;
55 initsize
= initpoolsize
* buffersize
;
63 for (int i
= 0; i
< NBLOCKS
; i
++) {
68 /*-----------------------------------------------------------------------------
69 * ~Pool - free a pool of buffers and the pool itself
70 *-----------------------------------------------------------------------------
75 assert( (this != 0) && (magic
== is_allocated
) );
78 delete [] blocklist
[--nextblock
];
79 blocklist
[nextblock
] = 0;
85 void Pool::grow( void )
87 assert( (this != 0) && (magic
== is_allocated
) );
88 curblock
= new char[nextsize
];
89 blocklist
[nextblock
++] = curblock
;
94 /*-----------------------------------------------------------------------------
95 * Pool::clear - free buffers associated with pool but keep pool
96 *-----------------------------------------------------------------------------
102 assert( (this != 0) && (magic
== is_allocated
) );
105 delete [] blocklist
[--nextblock
];
106 blocklist
[nextblock
] = 0;
111 if( nextsize
> initsize
)