Added MesaLib-7.6

1 files changed, 119 insertions, 0 deletions

diff --git a/mesalib/src/glu/sgi/libnurbs/internals/trimvertpool.cc b/mesalib/src/glu/sgi/libnurbs/internals/trimvertpool.cc
new file mode 100644
index 000000000..3e5bd7038
--- /dev/null
+++ b/mesalib/src/glu/sgi/libnurbs/internals/trimvertpool.cc
@@ -0,0 +1,119 @@
+/*
+** 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++
+ *
+ */
+
+#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;
+}