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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
|
/* $XFree86$ */
/*
** 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.
**
*/
/* #define NEED_REPLIES */
#include <glxserver.h>
#include "unpack.h"
#include "g_disptab.h"
#include "g_disptab_EXT.h"
extern GLint __glEvalComputeK(GLenum target);
void __glXDisp_Map1f(GLbyte *pc)
{
GLint order, k;
GLfloat u1, u2, *points;
GLenum target;
target = *(GLenum *)(pc + 0);
order = *(GLint *)(pc + 12);
u1 = *(GLfloat *)(pc + 4);
u2 = *(GLfloat *)(pc + 8);
points = (GLfloat *)(pc + 16);
k = __glEvalComputeK(target);
glMap1f(target, u1, u2, k, order, points);
}
void __glXDisp_Map2f(GLbyte *pc)
{
GLint uorder, vorder, ustride, vstride, k;
GLfloat u1, u2, v1, v2, *points;
GLenum target;
target = *(GLenum *)(pc + 0);
uorder = *(GLint *)(pc + 12);
vorder = *(GLint *)(pc + 24);
u1 = *(GLfloat *)(pc + 4);
u2 = *(GLfloat *)(pc + 8);
v1 = *(GLfloat *)(pc + 16);
v2 = *(GLfloat *)(pc + 20);
points = (GLfloat *)(pc + 28);
k = __glEvalComputeK(target);
ustride = vorder * k;
vstride = k;
glMap2f(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points);
}
void __glXDisp_Map1d(GLbyte *pc)
{
GLint order, k;
#ifdef __GLX_ALIGN64
GLint compsize;
#endif
GLenum target;
GLdouble u1, u2, *points;
target = *(GLenum*) (pc + 16);
order = *(GLint*) (pc + 20);
k = __glEvalComputeK(target);
#ifdef __GLX_ALIGN64
if (order < 0 || k < 0) {
compsize = 0;
} else {
compsize = order * k;
}
#endif
__GLX_GET_DOUBLE(u1,pc);
__GLX_GET_DOUBLE(u2,pc+8);
pc += 24;
#ifdef __GLX_ALIGN64
if (((unsigned long)pc) & 7) {
/*
** Copy the doubles up 4 bytes, trashing the command but aligning
** the data in the process
*/
__GLX_MEM_COPY(pc-4, pc, compsize*8);
points = (GLdouble*) (pc - 4);
} else {
points = (GLdouble*) pc;
}
#else
points = (GLdouble*) pc;
#endif
glMap1d(target, u1, u2, k, order, points);
}
void __glXDisp_Map2d(GLbyte *pc)
{
GLdouble u1, u2, v1, v2, *points;
GLint uorder, vorder, ustride, vstride, k;
#ifdef __GLX_ALIGN64
GLint compsize;
#endif
GLenum target;
target = *(GLenum *)(pc + 32);
uorder = *(GLint *)(pc + 36);
vorder = *(GLint *)(pc + 40);
k = __glEvalComputeK(target);
#ifdef __GLX_ALIGN64
if (vorder < 0 || uorder < 0 || k < 0) {
compsize = 0;
} else {
compsize = uorder * vorder * k;
}
#endif
__GLX_GET_DOUBLE(u1,pc);
__GLX_GET_DOUBLE(u2,pc+8);
__GLX_GET_DOUBLE(v1,pc+16);
__GLX_GET_DOUBLE(v2,pc+24);
pc += 44;
ustride = vorder * k;
vstride = k;
#ifdef __GLX_ALIGN64
if (((unsigned long)pc) & 7) {
/*
** Copy the doubles up 4 bytes, trashing the command but aligning
** the data in the process
*/
__GLX_MEM_COPY(pc-4, pc, compsize*8);
points = (GLdouble*) (pc - 4);
} else {
points = (GLdouble*) pc;
}
#else
points = (GLdouble*) pc;
#endif
glMap2d(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points);
}
void __glXDisp_CallLists(GLbyte *pc)
{
GLenum type;
GLsizei n;
type = *(GLenum *)(pc + 4);
n = *(GLsizei *)(pc + 0);
glCallLists(n, type, pc + 8);
}
void __glXDisp_DrawArrays(GLbyte *pc)
{
__GLXdispatchDrawArraysHeader *hdr = (__GLXdispatchDrawArraysHeader *)pc;
__GLXdispatchDrawArraysComponentHeader *compHeader;
GLint numVertexes = hdr->numVertexes;
GLint numComponents = hdr->numComponents;
GLenum primType = hdr->primType;
GLint stride = 0;
int i;
pc += sizeof(__GLXdispatchDrawArraysHeader);
compHeader = (__GLXdispatchDrawArraysComponentHeader *)pc;
/* compute stride (same for all component arrays) */
for (i = 0; i < numComponents; i++) {
GLenum datatype = compHeader[i].datatype;
GLint numVals = compHeader[i].numVals;
stride += __GLX_PAD(numVals * __glXTypeSize(datatype));
}
pc += numComponents * sizeof(__GLXdispatchDrawArraysComponentHeader);
/* set up component arrays */
for (i = 0; i < numComponents; i++) {
GLenum datatype = compHeader[i].datatype;
GLint numVals = compHeader[i].numVals;
GLenum component = compHeader[i].component;
switch (component) {
case GL_VERTEX_ARRAY:
glEnableClientState(GL_VERTEX_ARRAY);
glVertexPointer(numVals, datatype, stride, pc);
break;
case GL_NORMAL_ARRAY:
glEnableClientState(GL_NORMAL_ARRAY);
glNormalPointer(datatype, stride, pc);
break;
case GL_COLOR_ARRAY:
glEnableClientState(GL_COLOR_ARRAY);
glColorPointer(numVals, datatype, stride, pc);
break;
case GL_INDEX_ARRAY:
glEnableClientState(GL_INDEX_ARRAY);
glIndexPointer(datatype, stride, pc);
break;
case GL_TEXTURE_COORD_ARRAY:
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glTexCoordPointer(numVals, datatype, stride, pc);
break;
case GL_EDGE_FLAG_ARRAY:
glEnableClientState(GL_EDGE_FLAG_ARRAY);
glEdgeFlagPointer(stride, (const GLboolean *)pc);
break;
#ifndef MISSING_GL_EXTS
case GL_SECONDARY_COLOR_ARRAY:
glEnableClientState(GL_SECONDARY_COLOR_ARRAY);
glSecondaryColorPointer(numVals, datatype, stride, pc);
break;
case GL_FOG_COORDINATE_ARRAY:
glEnableClientState(GL_FOG_COORDINATE_ARRAY);
glFogCoordPointer(datatype, stride, pc);
break;
#endif
default:
break;
}
pc += __GLX_PAD(numVals * __glXTypeSize(datatype));
}
glDrawArrays(primType, 0, numVertexes);
/* turn off anything we might have turned on */
glDisableClientState(GL_VERTEX_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_INDEX_ARRAY);
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisableClientState(GL_EDGE_FLAG_ARRAY);
glDisableClientState(GL_SECONDARY_COLOR_ARRAY);
glDisableClientState(GL_FOG_COORDINATE_ARRAY);
}
void __glXDisp_DrawArraysEXT(GLbyte *pc)
{
__glXDisp_DrawArrays(pc);
}
|
