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a09e091a JB |
1 | /* |
2 | * SGI FREE SOFTWARE LICENSE B (Version 2.0, Sept. 18, 2008) | |
3 | * Copyright (C) 1991-2000 Silicon Graphics, Inc. All Rights Reserved. | |
4 | * | |
5 | * Permission is hereby granted, free of charge, to any person obtaining a | |
6 | * copy of this software and associated documentation files (the "Software"), | |
7 | * to deal in the Software without restriction, including without limitation | |
8 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
9 | * and/or sell copies of the Software, and to permit persons to whom the | |
10 | * Software is furnished to do so, subject to the following conditions: | |
11 | * | |
12 | * The above copyright notice including the dates of first publication and | |
13 | * either this permission notice or a reference to | |
14 | * http://oss.sgi.com/projects/FreeB/ | |
15 | * shall be included in all copies or substantial portions of the Software. | |
16 | * | |
17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS | |
18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
19 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
20 | * SILICON GRAPHICS, INC. BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, | |
21 | * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF | |
22 | * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
23 | * SOFTWARE. | |
24 | * | |
25 | * Except as contained in this notice, the name of Silicon Graphics, Inc. | |
26 | * shall not be used in advertising or otherwise to promote the sale, use or | |
27 | * other dealings in this Software without prior written authorization from | |
28 | * Silicon Graphics, Inc. | |
29 | */ | |
30 | ||
31 | #ifdef HAVE_DIX_CONFIG_H | |
32 | #include <dix-config.h> | |
33 | #endif | |
34 | ||
35 | #include "glxserver.h" | |
36 | #include "unpack.h" | |
37 | #include "indirect_size.h" | |
38 | #include "indirect_dispatch.h" | |
39 | ||
40 | void | |
41 | __glXDispSwap_Map1f(GLbyte * pc) | |
42 | { | |
43 | GLint order, k; | |
44 | GLfloat u1, u2, *points; | |
45 | GLenum target; | |
46 | GLint compsize; | |
47 | ||
48 | __GLX_DECLARE_SWAP_VARIABLES; | |
49 | __GLX_DECLARE_SWAP_ARRAY_VARIABLES; | |
50 | ||
51 | __GLX_SWAP_INT(pc + 0); | |
52 | __GLX_SWAP_INT(pc + 12); | |
53 | __GLX_SWAP_FLOAT(pc + 4); | |
54 | __GLX_SWAP_FLOAT(pc + 8); | |
55 | ||
56 | target = *(GLenum *) (pc + 0); | |
57 | order = *(GLint *) (pc + 12); | |
58 | u1 = *(GLfloat *) (pc + 4); | |
59 | u2 = *(GLfloat *) (pc + 8); | |
60 | points = (GLfloat *) (pc + 16); | |
61 | k = __glMap1f_size(target); | |
62 | ||
63 | if (order <= 0 || k < 0) { | |
64 | /* Erroneous command. */ | |
65 | compsize = 0; | |
66 | } | |
67 | else { | |
68 | compsize = order * k; | |
69 | } | |
70 | __GLX_SWAP_FLOAT_ARRAY(points, compsize); | |
71 | ||
72 | glMap1f(target, u1, u2, k, order, points); | |
73 | } | |
74 | ||
75 | void | |
76 | __glXDispSwap_Map2f(GLbyte * pc) | |
77 | { | |
78 | GLint uorder, vorder, ustride, vstride, k; | |
79 | GLfloat u1, u2, v1, v2, *points; | |
80 | GLenum target; | |
81 | GLint compsize; | |
82 | ||
83 | __GLX_DECLARE_SWAP_VARIABLES; | |
84 | __GLX_DECLARE_SWAP_ARRAY_VARIABLES; | |
85 | ||
86 | __GLX_SWAP_INT(pc + 0); | |
87 | __GLX_SWAP_INT(pc + 12); | |
88 | __GLX_SWAP_INT(pc + 24); | |
89 | __GLX_SWAP_FLOAT(pc + 4); | |
90 | __GLX_SWAP_FLOAT(pc + 8); | |
91 | __GLX_SWAP_FLOAT(pc + 16); | |
92 | __GLX_SWAP_FLOAT(pc + 20); | |
93 | ||
94 | target = *(GLenum *) (pc + 0); | |
95 | uorder = *(GLint *) (pc + 12); | |
96 | vorder = *(GLint *) (pc + 24); | |
97 | u1 = *(GLfloat *) (pc + 4); | |
98 | u2 = *(GLfloat *) (pc + 8); | |
99 | v1 = *(GLfloat *) (pc + 16); | |
100 | v2 = *(GLfloat *) (pc + 20); | |
101 | points = (GLfloat *) (pc + 28); | |
102 | ||
103 | k = __glMap2f_size(target); | |
104 | ustride = vorder * k; | |
105 | vstride = k; | |
106 | ||
107 | if (vorder <= 0 || uorder <= 0 || k < 0) { | |
108 | /* Erroneous command. */ | |
109 | compsize = 0; | |
110 | } | |
111 | else { | |
112 | compsize = uorder * vorder * k; | |
113 | } | |
114 | __GLX_SWAP_FLOAT_ARRAY(points, compsize); | |
115 | ||
116 | glMap2f(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points); | |
117 | } | |
118 | ||
119 | void | |
120 | __glXDispSwap_Map1d(GLbyte * pc) | |
121 | { | |
122 | GLint order, k, compsize; | |
123 | GLenum target; | |
124 | GLdouble u1, u2, *points; | |
125 | ||
126 | __GLX_DECLARE_SWAP_VARIABLES; | |
127 | __GLX_DECLARE_SWAP_ARRAY_VARIABLES; | |
128 | ||
129 | __GLX_SWAP_DOUBLE(pc + 0); | |
130 | __GLX_SWAP_DOUBLE(pc + 8); | |
131 | __GLX_SWAP_INT(pc + 16); | |
132 | __GLX_SWAP_INT(pc + 20); | |
133 | ||
134 | target = *(GLenum *) (pc + 16); | |
135 | order = *(GLint *) (pc + 20); | |
136 | k = __glMap1d_size(target); | |
137 | if (order <= 0 || k < 0) { | |
138 | /* Erroneous command. */ | |
139 | compsize = 0; | |
140 | } | |
141 | else { | |
142 | compsize = order * k; | |
143 | } | |
144 | __GLX_GET_DOUBLE(u1, pc); | |
145 | __GLX_GET_DOUBLE(u2, pc + 8); | |
146 | __GLX_SWAP_DOUBLE_ARRAY(pc + 24, compsize); | |
147 | pc += 24; | |
148 | ||
149 | #ifdef __GLX_ALIGN64 | |
150 | if (((unsigned long) pc) & 7) { | |
151 | /* | |
152 | ** Copy the doubles up 4 bytes, trashing the command but aligning | |
153 | ** the data in the process | |
154 | */ | |
155 | __GLX_MEM_COPY(pc - 4, pc, compsize * 8); | |
156 | points = (GLdouble *) (pc - 4); | |
157 | } | |
158 | else { | |
159 | points = (GLdouble *) pc; | |
160 | } | |
161 | #else | |
162 | points = (GLdouble *) pc; | |
163 | #endif | |
164 | glMap1d(target, u1, u2, k, order, points); | |
165 | } | |
166 | ||
167 | void | |
168 | __glXDispSwap_Map2d(GLbyte * pc) | |
169 | { | |
170 | GLdouble u1, u2, v1, v2, *points; | |
171 | GLint uorder, vorder, ustride, vstride, k, compsize; | |
172 | GLenum target; | |
173 | ||
174 | __GLX_DECLARE_SWAP_VARIABLES; | |
175 | __GLX_DECLARE_SWAP_ARRAY_VARIABLES; | |
176 | ||
177 | __GLX_SWAP_DOUBLE(pc + 0); | |
178 | __GLX_SWAP_DOUBLE(pc + 8); | |
179 | __GLX_SWAP_DOUBLE(pc + 16); | |
180 | __GLX_SWAP_DOUBLE(pc + 24); | |
181 | __GLX_SWAP_INT(pc + 32); | |
182 | __GLX_SWAP_INT(pc + 36); | |
183 | __GLX_SWAP_INT(pc + 40); | |
184 | ||
185 | target = *(GLenum *) (pc + 32); | |
186 | uorder = *(GLint *) (pc + 36); | |
187 | vorder = *(GLint *) (pc + 40); | |
188 | k = __glMap2d_size(target); | |
189 | if (vorder <= 0 || uorder <= 0 || k < 0) { | |
190 | /* Erroneous command. */ | |
191 | compsize = 0; | |
192 | } | |
193 | else { | |
194 | compsize = uorder * vorder * k; | |
195 | } | |
196 | __GLX_GET_DOUBLE(u1, pc); | |
197 | __GLX_GET_DOUBLE(u2, pc + 8); | |
198 | __GLX_GET_DOUBLE(v1, pc + 16); | |
199 | __GLX_GET_DOUBLE(v2, pc + 24); | |
200 | __GLX_SWAP_DOUBLE_ARRAY(pc + 44, compsize); | |
201 | pc += 44; | |
202 | ustride = vorder * k; | |
203 | vstride = k; | |
204 | ||
205 | #ifdef __GLX_ALIGN64 | |
206 | if (((unsigned long) pc) & 7) { | |
207 | /* | |
208 | ** Copy the doubles up 4 bytes, trashing the command but aligning | |
209 | ** the data in the process | |
210 | */ | |
211 | __GLX_MEM_COPY(pc - 4, pc, compsize * 8); | |
212 | points = (GLdouble *) (pc - 4); | |
213 | } | |
214 | else { | |
215 | points = (GLdouble *) pc; | |
216 | } | |
217 | #else | |
218 | points = (GLdouble *) pc; | |
219 | #endif | |
220 | glMap2d(target, u1, u2, ustride, uorder, v1, v2, vstride, vorder, points); | |
221 | } | |
222 | ||
223 | static void | |
224 | swapArray(GLint numVals, GLenum datatype, | |
225 | GLint stride, GLint numVertexes, GLbyte * pc) | |
226 | { | |
227 | int i, j; | |
228 | ||
229 | __GLX_DECLARE_SWAP_VARIABLES; | |
230 | ||
231 | switch (datatype) { | |
232 | case GL_BYTE: | |
233 | case GL_UNSIGNED_BYTE: | |
234 | /* don't need to swap */ | |
235 | return; | |
236 | case GL_SHORT: | |
237 | case GL_UNSIGNED_SHORT: | |
238 | for (i = 0; i < numVertexes; i++) { | |
239 | GLshort *pVal = (GLshort *) pc; | |
240 | ||
241 | for (j = 0; j < numVals; j++) { | |
242 | __GLX_SWAP_SHORT(&pVal[j]); | |
243 | } | |
244 | pc += stride; | |
245 | } | |
246 | break; | |
247 | case GL_INT: | |
248 | case GL_UNSIGNED_INT: | |
249 | for (i = 0; i < numVertexes; i++) { | |
250 | GLint *pVal = (GLint *) pc; | |
251 | ||
252 | for (j = 0; j < numVals; j++) { | |
253 | __GLX_SWAP_INT(&pVal[j]); | |
254 | } | |
255 | pc += stride; | |
256 | } | |
257 | break; | |
258 | case GL_FLOAT: | |
259 | for (i = 0; i < numVertexes; i++) { | |
260 | GLfloat *pVal = (GLfloat *) pc; | |
261 | ||
262 | for (j = 0; j < numVals; j++) { | |
263 | __GLX_SWAP_FLOAT(&pVal[j]); | |
264 | } | |
265 | pc += stride; | |
266 | } | |
267 | break; | |
268 | case GL_DOUBLE: | |
269 | for (i = 0; i < numVertexes; i++) { | |
270 | GLdouble *pVal = (GLdouble *) pc; | |
271 | ||
272 | for (j = 0; j < numVals; j++) { | |
273 | __GLX_SWAP_DOUBLE(&pVal[j]); | |
274 | } | |
275 | pc += stride; | |
276 | } | |
277 | break; | |
278 | default: | |
279 | return; | |
280 | } | |
281 | } | |
282 | ||
283 | void | |
284 | __glXDispSwap_DrawArrays(GLbyte * pc) | |
285 | { | |
286 | __GLXdispatchDrawArraysHeader *hdr = (__GLXdispatchDrawArraysHeader *) pc; | |
287 | __GLXdispatchDrawArraysComponentHeader *compHeader; | |
288 | GLint numVertexes = hdr->numVertexes; | |
289 | GLint numComponents = hdr->numComponents; | |
290 | GLenum primType = hdr->primType; | |
291 | GLint stride = 0; | |
292 | int i; | |
293 | ||
294 | __GLX_DECLARE_SWAP_VARIABLES; | |
295 | ||
296 | __GLX_SWAP_INT(&numVertexes); | |
297 | __GLX_SWAP_INT(&numComponents); | |
298 | __GLX_SWAP_INT(&primType); | |
299 | ||
300 | pc += sizeof(__GLXdispatchDrawArraysHeader); | |
301 | compHeader = (__GLXdispatchDrawArraysComponentHeader *) pc; | |
302 | ||
303 | /* compute stride (same for all component arrays) */ | |
304 | for (i = 0; i < numComponents; i++) { | |
305 | GLenum datatype = compHeader[i].datatype; | |
306 | GLint numVals = compHeader[i].numVals; | |
307 | GLenum component = compHeader[i].component; | |
308 | ||
309 | __GLX_SWAP_INT(&datatype); | |
310 | __GLX_SWAP_INT(&numVals); | |
311 | __GLX_SWAP_INT(&component); | |
312 | ||
313 | stride += __GLX_PAD(numVals * __glXTypeSize(datatype)); | |
314 | } | |
315 | ||
316 | pc += numComponents * sizeof(__GLXdispatchDrawArraysComponentHeader); | |
317 | ||
318 | /* set up component arrays */ | |
319 | for (i = 0; i < numComponents; i++) { | |
320 | GLenum datatype = compHeader[i].datatype; | |
321 | GLint numVals = compHeader[i].numVals; | |
322 | GLenum component = compHeader[i].component; | |
323 | ||
324 | __GLX_SWAP_INT(&datatype); | |
325 | __GLX_SWAP_INT(&numVals); | |
326 | __GLX_SWAP_INT(&component); | |
327 | ||
328 | swapArray(numVals, datatype, stride, numVertexes, pc); | |
329 | ||
330 | switch (component) { | |
331 | case GL_VERTEX_ARRAY: | |
332 | glEnableClientState(GL_VERTEX_ARRAY); | |
333 | glVertexPointer(numVals, datatype, stride, pc); | |
334 | break; | |
335 | case GL_NORMAL_ARRAY: | |
336 | glEnableClientState(GL_NORMAL_ARRAY); | |
337 | glNormalPointer(datatype, stride, pc); | |
338 | break; | |
339 | case GL_COLOR_ARRAY: | |
340 | glEnableClientState(GL_COLOR_ARRAY); | |
341 | glColorPointer(numVals, datatype, stride, pc); | |
342 | break; | |
343 | case GL_INDEX_ARRAY: | |
344 | glEnableClientState(GL_INDEX_ARRAY); | |
345 | glIndexPointer(datatype, stride, pc); | |
346 | break; | |
347 | case GL_TEXTURE_COORD_ARRAY: | |
348 | glEnableClientState(GL_TEXTURE_COORD_ARRAY); | |
349 | glTexCoordPointer(numVals, datatype, stride, pc); | |
350 | break; | |
351 | case GL_EDGE_FLAG_ARRAY: | |
352 | glEnableClientState(GL_EDGE_FLAG_ARRAY); | |
353 | glEdgeFlagPointer(stride, (const GLboolean *) pc); | |
354 | break; | |
355 | case GL_SECONDARY_COLOR_ARRAY: | |
356 | { | |
357 | PFNGLSECONDARYCOLORPOINTERPROC SecondaryColorPointerEXT = | |
358 | __glGetProcAddress("glSecondaryColorPointerEXT"); | |
359 | glEnableClientState(GL_SECONDARY_COLOR_ARRAY); | |
360 | SecondaryColorPointerEXT(numVals, datatype, stride, pc); | |
361 | break; | |
362 | } | |
363 | case GL_FOG_COORD_ARRAY: | |
364 | { | |
365 | PFNGLFOGCOORDPOINTERPROC FogCoordPointerEXT = | |
366 | __glGetProcAddress("glFogCoordPointerEXT"); | |
367 | glEnableClientState(GL_FOG_COORD_ARRAY); | |
368 | FogCoordPointerEXT(datatype, stride, pc); | |
369 | break; | |
370 | } | |
371 | default: | |
372 | break; | |
373 | } | |
374 | ||
375 | pc += __GLX_PAD(numVals * __glXTypeSize(datatype)); | |
376 | } | |
377 | ||
378 | glDrawArrays(primType, 0, numVertexes); | |
379 | ||
380 | /* turn off anything we might have turned on */ | |
381 | glDisableClientState(GL_VERTEX_ARRAY); | |
382 | glDisableClientState(GL_NORMAL_ARRAY); | |
383 | glDisableClientState(GL_COLOR_ARRAY); | |
384 | glDisableClientState(GL_INDEX_ARRAY); | |
385 | glDisableClientState(GL_TEXTURE_COORD_ARRAY); | |
386 | glDisableClientState(GL_EDGE_FLAG_ARRAY); | |
387 | glDisableClientState(GL_SECONDARY_COLOR_ARRAY); | |
388 | glDisableClientState(GL_FOG_COORD_ARRAY); | |
389 | } |