ReactOS  0.4.15-dev-1152-g6c94e4f
bin.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  * bin.c++
37  *
38  */
39 
40 //#include "glimports.h"
41 //#include "mystdio.h"
42 //#include "myassert.h"
43 #include "bin.h"
44 
45 /*----------------------------------------------------------------------------
46  * Constructor and destructor
47  *----------------------------------------------------------------------------
48  */
50 {
51  head = NULL;
52  current = NULL;
53 }
54 
56 {
57  assert( head == NULL);
58 }
59 
60 /*----------------------------------------------------------------------------
61  * remove_this_arc - remove given Arc_ptr from bin
62  *----------------------------------------------------------------------------
63  */
64 
65 void
67 {
68  Arc_ptr *j;
69  for( j = &(head); (*j != 0) && (*j != arc); j = &((*j)->link) );
70 
71  if( *j != 0 ) {
72  if( *j == current )
73  current = (*j)->link;
74  *j = (*j)->link;
75  }
76 }
77 
78 /*----------------------------------------------------------------------------
79  * numarcs - count number of arcs in bin
80  *----------------------------------------------------------------------------
81  */
82 
83 int
85 {
86  long count = 0;
87  for( Arc_ptr jarc = firstarc(); jarc; jarc = nextarc() )
88  count++;
89  return count;
90 }
91 
92 /*----------------------------------------------------------------------------
93  * adopt - place an orphaned arcs into their new parents bin
94  *----------------------------------------------------------------------------
95  */
96 
97 void
99 {
100  markall();
101 
102  Arc_ptr orphan;
103  while( (orphan = removearc()) != NULL ) {
104  for( Arc_ptr parent = orphan->next; parent != orphan; parent = parent->next ) {
105  if (! parent->ismarked() ) {
106  orphan->link = parent->link;
107  parent->link = orphan;
108  orphan->clearmark();
109  break;
110  }
111  }
112  }
113 }
114 
115 
116 /*----------------------------------------------------------------------------
117  * show - print out descriptions of the arcs in the bin
118  *----------------------------------------------------------------------------
119  */
120 
121 void
122 Bin::show( const char *name )
123 {
124 #ifndef NDEBUG
125  _glu_dprintf( "%s\n", name );
126  for( Arc_ptr jarc = firstarc(); jarc; jarc = nextarc() )
127  jarc->show( );
128 #endif
129 }
130 
131 
132 
133 /*----------------------------------------------------------------------------
134  * markall - mark all arcs with an identifying tag
135  *----------------------------------------------------------------------------
136  */
137 
138 void
140 {
141  for( Arc_ptr jarc=firstarc(); jarc; jarc=nextarc() )
142  jarc->setmark();
143 }
144 
145 /*----------------------------------------------------------------------------
146  * listBezier - print out all arcs that are untessellated border arcs
147  *----------------------------------------------------------------------------
148  */
149 
150 void
152 {
153  for( Arc_ptr jarc=firstarc(); jarc; jarc=nextarc() ) {
154  if( jarc->isbezier( ) ) {
155  assert( jarc->pwlArc->npts == 2 );
156 #ifndef NDEBUG
157  TrimVertex *pts = jarc->pwlArc->pts;
158  REAL s1 = pts[0].param[0];
159  REAL t1 = pts[0].param[1];
160  REAL s2 = pts[1].param[0];
161  REAL t2 = pts[1].param[1];
162  _glu_dprintf( "arc (%g,%g) (%g,%g)\n", s1, t1, s2, t2 );
163 #endif
164  }
165  }
166 }
167 
struct S2 s2
Definition: send.c:34
Arc_ptr head
Definition: bin.h:46
GLuint GLuint GLsizei count
Definition: gl.h:1545
Bin()
Definition: bin.cc:49
#define assert(x)
Definition: debug.h:53
void markall(void)
Definition: bin.cc:139
Arc_ptr nextarc(void)
Definition: bin.h:97
Arc_ptr current
Definition: bin.h:47
smooth NULL
Definition: ftsmooth.c:416
void listBezier(void)
Definition: bin.cc:151
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint GLint GLint j
Definition: glfuncs.h:250
r parent
Definition: btrfs.c:2944
struct S1 s1
void remove_this_arc(Arc_ptr)
Definition: bin.cc:66
~Bin()
Definition: bin.cc:55
void show(const char *)
Definition: bin.cc:122
int numarcs(void)
Definition: bin.cc:84
class Arc * Arc_ptr
Definition: arc.h:50
REAL param[2]
Definition: trimvertex.h:45
Definition: name.c:38
void adopt(void)
Definition: bin.cc:98
Arc_ptr firstarc(void)
Definition: bin.h:115
float REAL
Definition: types.h:41
Arc_ptr removearc(void)
Definition: bin.h:82