ReactOS 0.4.15-dev-8408-g466a198
trimvertpool.cc
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1/*
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:
9**
10** http://oss.sgi.com/projects/FreeB
11**
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.
17**
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.
23**
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.
33*/
34
35/*
36 * trimvertexpool.c++
37 *
38 */
39
40//#include "glimports.h"
41//#include "myassert.h"
42//#include "mystdio.h"
43//#include "mystring.h"
44#include "trimvertex.h"
45#include "trimvertpool.h"
46//#include "bufpool.h"
47
48/*----------------------------------------------------------------------------
49 * TrimVertexPool::TrimVertexPool
50 *----------------------------------------------------------------------------
51 */
53 : pool( sizeof(TrimVertex)*3, 32, "Threevertspool" )
54{
55 // initialize array of pointers to vertex lists
56 nextvlistslot = 0;
59}
60
61/*----------------------------------------------------------------------------
62 * TrimVertexPool::~TrimVertexPool
63 *----------------------------------------------------------------------------
64 */
66{
67 // free all arrays of TrimVertices vertices
68 while( nextvlistslot ) {
69 delete [] vlist[--nextvlistslot];
70 }
71
72 // reallocate space for array of pointers to vertex lists
73 if( vlist ) delete[] vlist;
74}
75
76/*----------------------------------------------------------------------------
77 * TrimVertexPool::clear
78 *----------------------------------------------------------------------------
79 */
80void
82{
83 // reinitialize pool of 3 vertex arrays
84 pool.clear();
85
86 // free all arrays of TrimVertices vertices
87 while( nextvlistslot ) {
88 delete [] vlist[--nextvlistslot];
90 }
91
92 // reallocate space for array of pointers to vertex lists
93 if( vlist ) delete[] vlist;
95}
96
97
98/*----------------------------------------------------------------------------
99 * TrimVertexPool::get - allocate a vertex list
100 *----------------------------------------------------------------------------
101 */
104{
105 TrimVertex *v;
106 if( n == 3 ) {
107 v = (TrimVertex *) pool.new_buffer();
108 } else {
109 if( nextvlistslot == vlistsize ) {
110 vlistsize *= 2;
111 TrimVertex_p *nvlist = new TrimVertex_p[vlistsize];
112 memcpy( nvlist, vlist, nextvlistslot * sizeof(TrimVertex_p) );
113 if( vlist ) delete[] vlist;
114 vlist = nvlist;
115 }
116 v = vlist[nextvlistslot++] = new TrimVertex[n];
117 }
118 return v;
119}
TrimVertex * get(int)
~TrimVertexPool(void)
Definition: trimvertpool.cc:65
TrimVertex ** vlist
Definition: trimvertpool.h:53
void clear(void)
Definition: trimvertpool.cc:81
TrimVertexPool(void)
Definition: trimvertpool.cc:52
const GLdouble * v
Definition: gl.h:2040
GLdouble n
Definition: glext.h:7729
#define memcpy(s1, s2, n)
Definition: mkisofs.h:878
class TrimVertex * TrimVertex_p
Definition: trimvertex.h:53
#define INIT_VERTLISTSIZE
Definition: trimvertpool.h:43
ActualNumberDriverObjects * sizeof(PDRIVER_OBJECT)) PDRIVER_OBJECT *DriverObjectList