ReactOS  0.4.13-dev-249-gcba1a2f
primitiveStream.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 */
37 
38 #include "gluos.h"
39 //#include <stdlib.h>
40 //#include <stdio.h>
41 #include <assert.h>
42 #include <GL/gl.h>
43 
44 #include "primitiveStream.h"
45 
47 {
48  Int i;
49  Int ret=0;
50  for(i=0; i<index_lengths; i++)
51  {
52  ret += lengths[i]-2;
53  }
54  return ret;
55 }
56 
57 
58 
59 /*the begining of inserting a new primitive.
60  *reset counter to be 0.
61  */
63 {
64  counter = 0;
65 }
66 
68 {
69  /*if the space cannot hold u and v,
70  *we have to expand the array
71  */
72  if(index_vertices+1 >= size_vertices) {
73  Real* temp = (Real*) malloc (sizeof(Real) * (2*size_vertices + 2));
74  assert(temp);
75 
76  /*copy*/
77  for(Int i=0; i<index_vertices; i++)
78  temp[i] = vertices[i];
79 
80  free(vertices);
81  vertices = temp;
83  }
84 
87  counter++;
88 }
89 
90 /*the end of a primitive.
91  *increase index_lengths
92  */
94 {
95  Int i;
96  /*if there is no vertex in this primitive,
97  *nothing needs to be done
98  */
99  if(counter == 0) return ;
100 
102  Int* temp = (Int*) malloc(sizeof(Int) * (2*size_lengths + 2));
103  assert(temp);
104  Int* tempTypes = (Int*) malloc(sizeof(Int) * (2*size_lengths + 2));
105  assert(tempTypes);
106 
107  /*copy*/
108  for(i=0; i<index_lengths; i++){
109  temp[i] = lengths[i];
110  tempTypes[i] = types[i];
111  }
112 
113  free(lengths);
114  free(types);
115  lengths = temp;
116  types = tempTypes;
117  size_lengths = 2*size_lengths + 2;
118  }
121  index_lengths++;
122 }
123 
125 {
126  Int i,j,k;
127  printf("index_lengths=%i,size_lengths=%i\n", index_lengths, size_lengths);
128  printf("index_vertices=%i,size_vertices=%i\n", index_vertices, size_vertices);
129  k=0;
130  for(i=0; i<index_lengths; i++)
131  {
133  printf("primitive-FAN:\n");
134  else
135  printf("primitive-STRIP:\n");
136  for(j=0; j<lengths[i]; j++)
137  {
138  printf("(%f,%f) ", vertices[k], vertices[k+1]);
139  k += 2;
140  }
141  printf("\n");
142  }
143 }
144 
145 primStream::primStream(Int sizeLengths, Int sizeVertices)
146 {
147  lengths = (Int*)malloc (sizeof(Int) * sizeLengths);
148  assert(lengths);
149  types = (Int*)malloc (sizeof(Int) * sizeLengths);
150  assert(types);
151 
152  vertices = (Real*) malloc(sizeof(Real) * sizeVertices);
153  assert(vertices);
154 
155  index_lengths = 0;
156  index_vertices = 0;
157  size_lengths = sizeLengths;
158  size_vertices = sizeVertices;
159 
160  counter = 0;
161 }
162 
164 {
165  free(lengths);
166  free(types);
167  free(vertices);
168 }
169 
171 {
172  Int i,j,k;
173  k=0;
174  for(i=0; i<index_lengths; i++)
175  {
176  switch(types[i]){
179  break;
182  break;
183  }
184 
185  for(j=0; j<lengths[i]; j++){
187  k += 2;
188  }
189  glEnd();
190  }
191 }
192 
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 * u
Definition: glfuncs.h:240
return
Definition: dirsup.c:529
#define free
Definition: debug_ros.c:5
GLuint GLuint GLsizei GLenum type
Definition: gl.h:1545
#define assert(x)
Definition: debug.h:53
void insert(Real u, Real v)
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 i
Definition: glfuncs.h:248
#define GL_TRIANGLE_FAN
Definition: gl.h:196
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
Definition: cmds.c:130
GLAPI void GLAPIENTRY glVertex2fv(const GLfloat *v)
GLAPI void GLAPIENTRY glBegin(GLenum mode)
int ret
Real * vertices
const GLdouble * v
Definition: gl.h:2040
static calc_node_t temp
Definition: rpn_ieee.c:38
float Real
Definition: definitions.h:36
void end(Int type)
GLAPI void GLAPIENTRY glEnd(void)
#define malloc
Definition: debug_ros.c:4
#define GL_TRIANGLE_STRIP
Definition: gl.h:195
primStream(Int sizeLengths, Int sizeVertices)
GLsizei GLenum GLenum GLuint GLenum GLsizei * lengths
Definition: glext.h:7753
Int num_triangles()
int k
Definition: mpi.c:3369
#define printf
Definition: config.h:203
int Int
Definition: definitions.h:37