| /* |
| ** License Applicability. Except to the extent portions of this file are |
| ** made subject to an alternative license as permitted in the SGI Free |
| ** Software License B, Version 1.1 (the "License"), the contents of this |
| ** file are subject only to the provisions of the License. You may not use |
| ** this file except in compliance with the License. You may obtain a copy |
| ** of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 |
| ** Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: |
| ** |
| ** http://oss.sgi.com/projects/FreeB |
| ** |
| ** Note that, as provided in the License, the Software is distributed on an |
| ** "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS |
| ** DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND |
| ** CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A |
| ** PARTICULAR PURPOSE, AND NON-INFRINGEMENT. |
| ** |
| ** Original Code. The Original Code is: OpenGL Sample Implementation, |
| ** Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, |
| ** Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. |
| ** Copyright in any portions created by third parties is as indicated |
| ** elsewhere herein. All Rights Reserved. |
| ** |
| ** Additional Notice Provisions: The application programming interfaces |
| ** established by SGI in conjunction with the Original Code are The |
| ** OpenGL(R) Graphics System: A Specification (Version 1.2.1), released |
| ** April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version |
| ** 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X |
| ** Window System(R) (Version 1.3), released October 19, 1998. This software |
| ** was created using the OpenGL(R) version 1.2.1 Sample Implementation |
| ** published by SGI, but has not been independently verified as being |
| ** compliant with the OpenGL(R) version 1.2.1 Specification. |
| */ |
| |
| /* |
| * trimvertexpool.c++ |
| * |
| * $Date: 2012/03/29 17:22:17 $ $Revision: 1.1.1.1 $ |
| * $Header: /cvs/bao-parsec/pkgs/libs/mesa/src/src/glu/sgi/libnurbs/internals/trimvertpool.cc,v 1.1.1.1 2012/03/29 17:22:17 uid42307 Exp $ |
| */ |
| |
| #include "glimports.h" |
| #include "myassert.h" |
| #include "mystdio.h" |
| #include "mystring.h" |
| #include "trimvertex.h" |
| #include "trimvertpool.h" |
| #include "bufpool.h" |
| |
| /*---------------------------------------------------------------------------- |
| * TrimVertexPool::TrimVertexPool |
| *---------------------------------------------------------------------------- |
| */ |
| TrimVertexPool::TrimVertexPool( void ) |
| : pool( sizeof(TrimVertex)*3, 32, "Threevertspool" ) |
| { |
| // initialize array of pointers to vertex lists |
| nextvlistslot = 0; |
| vlistsize = INIT_VERTLISTSIZE; |
| vlist = new TrimVertex_p[vlistsize]; |
| } |
| |
| /*---------------------------------------------------------------------------- |
| * TrimVertexPool::~TrimVertexPool |
| *---------------------------------------------------------------------------- |
| */ |
| TrimVertexPool::~TrimVertexPool( void ) |
| { |
| // free all arrays of TrimVertices vertices |
| while( nextvlistslot ) { |
| delete [] vlist[--nextvlistslot]; |
| } |
| |
| // reallocate space for array of pointers to vertex lists |
| if( vlist ) delete[] vlist; |
| } |
| |
| /*---------------------------------------------------------------------------- |
| * TrimVertexPool::clear |
| *---------------------------------------------------------------------------- |
| */ |
| void |
| TrimVertexPool::clear( void ) |
| { |
| // reinitialize pool of 3 vertex arrays |
| pool.clear(); |
| |
| // free all arrays of TrimVertices vertices |
| while( nextvlistslot ) { |
| delete [] vlist[--nextvlistslot]; |
| vlist[nextvlistslot] = 0; |
| } |
| |
| // reallocate space for array of pointers to vertex lists |
| if( vlist ) delete[] vlist; |
| vlist = new TrimVertex_p[vlistsize]; |
| } |
| |
| |
| /*---------------------------------------------------------------------------- |
| * TrimVertexPool::get - allocate a vertex list |
| *---------------------------------------------------------------------------- |
| */ |
| TrimVertex * |
| TrimVertexPool::get( int n ) |
| { |
| TrimVertex *v; |
| if( n == 3 ) { |
| v = (TrimVertex *) pool.new_buffer(); |
| } else { |
| if( nextvlistslot == vlistsize ) { |
| vlistsize *= 2; |
| TrimVertex_p *nvlist = new TrimVertex_p[vlistsize]; |
| memcpy( nvlist, vlist, nextvlistslot * sizeof(TrimVertex_p) ); |
| if( vlist ) delete[] vlist; |
| vlist = nvlist; |
| } |
| v = vlist[nextvlistslot++] = new TrimVertex[n]; |
| } |
| return v; |
| } |