1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/*
** 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.
**
*/
#include "packrender.h"
/*
** Routines to pack evaluator maps into the transport buffer. Maps are
** allowed to have extra arbitrary data, so these routines extract just
** the information that the GL needs.
*/
void __glFillMap1f(GLint k, GLint order, GLint stride,
const GLfloat *points, GLubyte *pc)
{
if (stride == k) {
/* Just copy the data */
__GLX_PUT_FLOAT_ARRAY(0, points, order * k);
} else {
GLint i;
for (i = 0; i < order; i++) {
__GLX_PUT_FLOAT_ARRAY(0, points, k);
points += stride;
pc += k * __GLX_SIZE_FLOAT32;
}
}
}
void __glFillMap1d(GLint k, GLint order, GLint stride,
const GLdouble *points, GLubyte *pc)
{
if (stride == k) {
/* Just copy the data */
__GLX_PUT_DOUBLE_ARRAY(0, points, order * k);
} else {
GLint i;
for (i = 0; i < order; i++) {
__GLX_PUT_DOUBLE_ARRAY(0, points, k);
points += stride;
pc += k * __GLX_SIZE_FLOAT64;
}
}
}
void __glFillMap2f(GLint k, GLint majorOrder, GLint minorOrder,
GLint majorStride, GLint minorStride,
const GLfloat *points, GLfloat *data)
{
GLint i, j, x;
if ((minorStride == k) && (majorStride == minorOrder*k)) {
/* Just copy the data */
__GLX_MEM_COPY(data, points, majorOrder * majorStride *
__GLX_SIZE_FLOAT32);
return;
}
for (i = 0; i < majorOrder; i++) {
for (j = 0; j < minorOrder; j++) {
for (x = 0; x < k; x++) {
data[x] = points[x];
}
points += minorStride;
data += k;
}
points += majorStride - minorStride * minorOrder;
}
}
void __glFillMap2d(GLint k, GLint majorOrder, GLint minorOrder,
GLint majorStride, GLint minorStride,
const GLdouble *points, GLdouble *data)
{
int i,j,x;
if ((minorStride == k) && (majorStride == minorOrder*k)) {
/* Just copy the data */
__GLX_MEM_COPY(data, points, majorOrder * majorStride *
__GLX_SIZE_FLOAT64);
return;
}
#ifdef __GLX_ALIGN64
x = k * __GLX_SIZE_FLOAT64;
#endif
for (i = 0; i<majorOrder; i++) {
for (j = 0; j<minorOrder; j++) {
#ifdef __GLX_ALIGN64
__GLX_MEM_COPY(data, points, x);
#else
for (x = 0; x<k; x++) {
data[x] = points[x];
}
#endif
points += minorStride;
data += k;
}
points += majorStride - minorStride * minorOrder;
}
}
|
