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source: vbox/trunk/src/VBox/GuestHost/OpenGL/packer/pack_map.c@ 71007

最後變更 在這個檔案從71007是 69392,由 vboxsync 提交於 7 年 前

GuestHost/OpenGL: scm updates
  • 屬性 svn:eol-style 設為 native
  • 屬性 svn:keywords 設為 Id Revision
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1/* Copyright (c) 2001, Stanford University
2 * All rights reserved
3 *
4 * See the file LICENSE.txt for information on redistributing this software.
5 */
6
7#include "packer.h"
8#include "cr_opcodes.h"
9#include "cr_error.h"
10#include "cr_mem.h"
11
12/* Note -- for these packets, the ustride and vstride are implicit,
13 * and are computed into the packet instead of copied.
14 */
15
16static int __gl_Map2NumComponents( GLenum target )
17{
18 switch( target )
19 {
20 case GL_MAP2_VERTEX_3:
21 case GL_MAP2_NORMAL:
22 case GL_MAP2_TEXTURE_COORD_3:
23 return 3;
24 case GL_MAP2_VERTEX_4:
25 case GL_MAP2_COLOR_4:
26 case GL_MAP2_TEXTURE_COORD_4:
27 case GL_MAP1_VERTEX_ATTRIB0_4_NV:
28 case GL_MAP1_VERTEX_ATTRIB1_4_NV:
29 case GL_MAP1_VERTEX_ATTRIB2_4_NV:
30 case GL_MAP1_VERTEX_ATTRIB3_4_NV:
31 case GL_MAP1_VERTEX_ATTRIB4_4_NV:
32 case GL_MAP1_VERTEX_ATTRIB5_4_NV:
33 case GL_MAP1_VERTEX_ATTRIB6_4_NV:
34 case GL_MAP1_VERTEX_ATTRIB7_4_NV:
35 case GL_MAP1_VERTEX_ATTRIB8_4_NV:
36 case GL_MAP1_VERTEX_ATTRIB9_4_NV:
37 case GL_MAP1_VERTEX_ATTRIB10_4_NV:
38 case GL_MAP1_VERTEX_ATTRIB11_4_NV:
39 case GL_MAP1_VERTEX_ATTRIB12_4_NV:
40 case GL_MAP1_VERTEX_ATTRIB13_4_NV:
41 case GL_MAP1_VERTEX_ATTRIB14_4_NV:
42 case GL_MAP1_VERTEX_ATTRIB15_4_NV:
43 case GL_MAP2_VERTEX_ATTRIB0_4_NV:
44 case GL_MAP2_VERTEX_ATTRIB1_4_NV:
45 case GL_MAP2_VERTEX_ATTRIB2_4_NV:
46 case GL_MAP2_VERTEX_ATTRIB3_4_NV:
47 case GL_MAP2_VERTEX_ATTRIB4_4_NV:
48 case GL_MAP2_VERTEX_ATTRIB5_4_NV:
49 case GL_MAP2_VERTEX_ATTRIB6_4_NV:
50 case GL_MAP2_VERTEX_ATTRIB7_4_NV:
51 case GL_MAP2_VERTEX_ATTRIB8_4_NV:
52 case GL_MAP2_VERTEX_ATTRIB9_4_NV:
53 case GL_MAP2_VERTEX_ATTRIB10_4_NV:
54 case GL_MAP2_VERTEX_ATTRIB11_4_NV:
55 case GL_MAP2_VERTEX_ATTRIB12_4_NV:
56 case GL_MAP2_VERTEX_ATTRIB13_4_NV:
57 case GL_MAP2_VERTEX_ATTRIB14_4_NV:
58 case GL_MAP2_VERTEX_ATTRIB15_4_NV:
59 return 4;
60 case GL_MAP2_INDEX:
61 case GL_MAP2_TEXTURE_COORD_1:
62 return 1;
63 case GL_MAP2_TEXTURE_COORD_2:
64 return 2;
65 default:
66 return -1;
67 }
68}
69
70static int __gl_Map1NumComponents( GLenum target )
71{
72 switch( target )
73 {
74 case GL_MAP1_VERTEX_3:
75 case GL_MAP1_NORMAL:
76 case GL_MAP1_TEXTURE_COORD_3:
77 return 3;
78 case GL_MAP1_VERTEX_4:
79 case GL_MAP1_COLOR_4:
80 case GL_MAP1_TEXTURE_COORD_4:
81 return 4;
82 case GL_MAP1_INDEX:
83 case GL_MAP1_TEXTURE_COORD_1:
84 return 1;
85 case GL_MAP1_TEXTURE_COORD_2:
86 return 2;
87 default:
88 return -1;
89 }
90}
91
92void PACK_APIENTRY crPackMap2d(GLenum target, GLdouble u1,
93 GLdouble u2, GLint ustride, GLint uorder, GLdouble v1, GLdouble v2,
94 GLint vstride, GLint vorder, const GLdouble *points)
95{
96 unsigned char *data_ptr;
97 int u,v;
98 GLdouble *dest_data, *src_data;
99 int packet_length =
100 sizeof( target ) +
101 sizeof( u1 ) +
102 sizeof( u2 ) +
103 sizeof( uorder ) +
104 sizeof( ustride ) +
105 sizeof( v1 ) +
106 sizeof( v2 ) +
107 sizeof( vorder ) +
108 sizeof( vstride );
109
110 int num_components = __gl_Map2NumComponents( target );
111 if (num_components < 0)
112 {
113 __PackError( __LINE__, __FILE__, GL_INVALID_ENUM,
114 "crPackMap2d(bad target)" );
115 return;
116 }
117
118 packet_length += num_components*uorder*vorder*sizeof( *points );
119
120 data_ptr = (unsigned char *) crPackAlloc( packet_length );
121
122 WRITE_DATA( 0, GLenum, target );
123 WRITE_DOUBLE( 4, u1 );
124 WRITE_DOUBLE( 12, u2 );
125 WRITE_DATA( 20, GLint, num_components );
126 WRITE_DATA( 24, GLint, uorder );
127 WRITE_DOUBLE( 28, v1 );
128 WRITE_DOUBLE( 36, v2 );
129 WRITE_DATA( 44, GLint, num_components*uorder );
130 WRITE_DATA( 48, GLint, vorder );
131
132 dest_data = (GLdouble *) (data_ptr + 52);
133 src_data = (GLdouble *) points;
134 for (v = 0 ; v < vorder ; v++)
135 {
136 for (u = 0 ; u < uorder ; u++)
137 {
138 crMemcpy( dest_data, src_data, num_components * sizeof( *points ) );
139 dest_data += num_components;
140 src_data += ustride;
141 }
142 src_data += vstride - ustride*uorder;
143 }
144
145 crHugePacket( CR_MAP2D_OPCODE, data_ptr );
146 crPackFree( data_ptr );
147}
148
149void PACK_APIENTRY crPackMap2f(GLenum target, GLfloat u1,
150 GLfloat u2, GLint ustride, GLint uorder, GLfloat v1, GLfloat v2,
151 GLint vstride, GLint vorder, const GLfloat *points)
152{
153 unsigned char *data_ptr;
154 int u,v;
155 GLfloat *dest_data, *src_data;
156 int packet_length =
157 sizeof( target ) +
158 sizeof( u1 ) +
159 sizeof( u2 ) +
160 sizeof( uorder ) +
161 sizeof( ustride ) +
162 sizeof( v1 ) +
163 sizeof( v2 ) +
164 sizeof( vorder ) +
165 sizeof( vstride );
166
167 int num_components = __gl_Map2NumComponents( target );
168 if (num_components < 0)
169 {
170 __PackError( __LINE__, __FILE__, GL_INVALID_ENUM,
171 "crPackMap2f(bad target)" );
172 return;
173 }
174
175 packet_length += num_components*uorder*vorder*sizeof( *points );
176
177 data_ptr = (unsigned char *) crPackAlloc( packet_length );
178
179 WRITE_DATA( 0, GLenum, target );
180 WRITE_DATA( 4, GLfloat, u1 );
181 WRITE_DATA( 8, GLfloat, u2 );
182 WRITE_DATA( 12, GLint, num_components );
183 WRITE_DATA( 16, GLint, uorder );
184 WRITE_DATA( 20, GLfloat, v1 );
185 WRITE_DATA( 24, GLfloat, v2 );
186 WRITE_DATA( 28, GLint, num_components*uorder );
187 WRITE_DATA( 32, GLint, vorder );
188
189 dest_data = (GLfloat *) (data_ptr + 36);
190 src_data = (GLfloat *) points;
191 for (v = 0 ; v < vorder ; v++)
192 {
193 for (u = 0 ; u < uorder ; u++)
194 {
195 crMemcpy( dest_data, src_data, num_components * sizeof( *points ) );
196 dest_data += num_components;
197 src_data += ustride;
198 }
199 src_data += vstride - ustride*uorder;
200 }
201
202 crHugePacket( CR_MAP2F_OPCODE, data_ptr );
203 crPackFree( data_ptr );
204}
205
206void PACK_APIENTRY crPackMap1d( GLenum target, GLdouble u1,
207 GLdouble u2, GLint stride, GLint order, const GLdouble *points )
208{
209 unsigned char *data_ptr;
210 int packet_length =
211 sizeof( target ) +
212 sizeof( u1 ) +
213 sizeof( u2 ) +
214 sizeof( stride ) +
215 sizeof( order );
216
217 int num_components = __gl_Map1NumComponents( target );
218 GLdouble *src_data, *dest_data;
219 int u;
220
221 if (num_components < 0)
222 {
223 __PackError( __LINE__, __FILE__, GL_INVALID_ENUM,
224 "crPackMap1d(bad target)" );
225 return;
226 }
227
228 packet_length += num_components * order * sizeof( *points );
229
230 data_ptr = (unsigned char *) crPackAlloc( packet_length );
231
232 WRITE_DATA( 0, GLenum, target );
233 WRITE_DOUBLE( 4, u1 );
234 WRITE_DOUBLE( 12, u2 );
235 WRITE_DATA( 20, GLint, num_components );
236 WRITE_DATA( 24, GLint, order );
237
238 dest_data = (GLdouble *) (data_ptr + 28);
239 src_data = (GLdouble *) points;
240 for (u = 0 ; u < order ; u++)
241 {
242 crMemcpy( dest_data, src_data, num_components * sizeof( *points ) );
243 dest_data += num_components;
244 src_data += stride;
245 }
246
247 crHugePacket( CR_MAP1D_OPCODE, data_ptr );
248 crPackFree( data_ptr );
249}
250
251void PACK_APIENTRY crPackMap1f( GLenum target, GLfloat u1,
252 GLfloat u2, GLint stride, GLint order, const GLfloat *points )
253{
254 unsigned char *data_ptr;
255 int packet_length =
256 sizeof( target ) +
257 sizeof( u1 ) +
258 sizeof( u2 ) +
259 sizeof( stride ) +
260 sizeof( order );
261
262 int num_components = __gl_Map1NumComponents( target );
263 GLfloat *src_data, *dest_data;
264 int u;
265
266 if (num_components < 0)
267 {
268 __PackError( __LINE__, __FILE__, GL_INVALID_ENUM,
269 "crPackMap1f(bad target)" );
270 return;
271 }
272
273 packet_length += num_components * order * sizeof( *points );
274
275 data_ptr = (unsigned char *) crPackAlloc( packet_length );
276
277 WRITE_DATA( 0, GLenum, target );
278 WRITE_DATA( 4, GLfloat, u1 );
279 WRITE_DATA( 8, GLfloat, u2 );
280 WRITE_DATA( 12, GLint, num_components );
281 WRITE_DATA( 16, GLint, order );
282
283 dest_data = (GLfloat *) (data_ptr + 20);
284 src_data = (GLfloat *) points;
285 for (u = 0 ; u < order ; u++)
286 {
287 crMemcpy( dest_data, src_data, num_components * sizeof( *points ) );
288 dest_data += num_components;
289 src_data += stride;
290 }
291
292 crHugePacket( CR_MAP1F_OPCODE, data_ptr );
293 crPackFree( data_ptr );
294}
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