File: | glx/singlepix.c |
Location: | line 232, column 5 |
Description: | Call to 'realloc' has an allocation size of 0 bytes |
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_H1 | |||||
32 | #include <dix-config.h> | |||||
33 | #endif | |||||
34 | ||||||
35 | #include "glxserver.h" | |||||
36 | #include "glxext.h" | |||||
37 | #include "singlesize.h" | |||||
38 | #include "unpack.h" | |||||
39 | #include "indirect_size_get.h" | |||||
40 | #include "indirect_dispatch.h" | |||||
41 | ||||||
42 | int | |||||
43 | __glXDisp_ReadPixels(__GLXclientState * cl, GLbyte * pc) | |||||
44 | { | |||||
45 | GLsizei width, height; | |||||
46 | GLenum format, type; | |||||
47 | GLboolean swapBytes, lsbFirst; | |||||
48 | GLint compsize; | |||||
49 | __GLXcontext *cx; | |||||
50 | ClientPtr client = cl->client; | |||||
51 | int error; | |||||
52 | char *answer, answerBuffer[200]; | |||||
53 | ||||||
54 | REQUEST_FIXED_SIZE(xGLXSingleReq, 28)if (((sizeof(xGLXSingleReq) >> 2) > client->req_len ) || (((28) >> 2) >= client->req_len) || ((((uint64_t ) sizeof(xGLXSingleReq) + (28) + 3) >> 2) != (uint64_t) client->req_len)) return(16); | |||||
55 | ||||||
56 | cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc)(((xGLXSingleReq*)pc)->contextTag), &error); | |||||
57 | if (!cx) { | |||||
58 | return error; | |||||
59 | } | |||||
60 | ||||||
61 | pc += __GLX_SINGLE_HDR_SIZE8; | |||||
62 | width = *(GLsizei *) (pc + 8); | |||||
63 | height = *(GLsizei *) (pc + 12); | |||||
64 | format = *(GLenum *) (pc + 16); | |||||
65 | type = *(GLenum *) (pc + 20); | |||||
66 | swapBytes = *(GLboolean *) (pc + 24); | |||||
67 | lsbFirst = *(GLboolean *) (pc + 25); | |||||
68 | compsize = __glReadPixels_size(format, type, width, height); | |||||
69 | if (compsize < 0) | |||||
70 | return BadLength16; | |||||
71 | ||||||
72 | glPixelStorei(GL_PACK_SWAP_BYTES0x0D00, swapBytes); | |||||
73 | glPixelStorei(GL_PACK_LSB_FIRST0x0D01, lsbFirst); | |||||
74 | __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1)if (compsize < 0) return 16; else if ((compsize) > sizeof (answerBuffer)) { int bump; if ((cl)->returnBufSize < ( compsize)+(1)) { (cl)->returnBuf = (GLbyte*)realloc((cl)-> returnBuf, (compsize)+(1)); if (!(cl)->returnBuf) { return 11; } (cl)->returnBufSize = (compsize)+(1); } answer = (char *)cl->returnBuf; bump = (long)(answer) % (1); if (bump) answer += (1) - (bump); } else { answer = (char *)answerBuffer; }; | |||||
75 | __glXClearErrorOccured(); | |||||
76 | glReadPixels(*(GLint *) (pc + 0), *(GLint *) (pc + 4), | |||||
77 | *(GLsizei *) (pc + 8), *(GLsizei *) (pc + 12), | |||||
78 | *(GLenum *) (pc + 16), *(GLenum *) (pc + 20), answer); | |||||
79 | ||||||
80 | if (__glXErrorOccured()) { | |||||
81 | __GLX_BEGIN_REPLY(0)__glXReply.length = (((0)+3) & (GLuint)~3) >> 2; __glXReply .type = 1; __glXReply.sequenceNumber = client->sequence;; | |||||
82 | __GLX_SEND_HEADER()WriteToClient (client, 32, &__glXReply);; | |||||
83 | } | |||||
84 | else { | |||||
85 | __GLX_BEGIN_REPLY(compsize)__glXReply.length = (((compsize)+3) & (GLuint)~3) >> 2; __glXReply.type = 1; __glXReply.sequenceNumber = client-> sequence;; | |||||
86 | __GLX_SEND_HEADER()WriteToClient (client, 32, &__glXReply);; | |||||
87 | __GLX_SEND_VOID_ARRAY(compsize)WriteToClient(client, ((((compsize)*1)+3) & (GLuint)~3), answer ); | |||||
88 | } | |||||
89 | cx->hasUnflushedCommands = GL_FALSE0x0; | |||||
90 | return Success0; | |||||
91 | } | |||||
92 | ||||||
93 | int | |||||
94 | __glXDisp_GetTexImage(__GLXclientState * cl, GLbyte * pc) | |||||
95 | { | |||||
96 | GLint level, compsize; | |||||
97 | GLenum format, type, target; | |||||
98 | GLboolean swapBytes; | |||||
99 | __GLXcontext *cx; | |||||
100 | ClientPtr client = cl->client; | |||||
101 | int error; | |||||
102 | char *answer, answerBuffer[200]; | |||||
103 | GLint width = 0, height = 0, depth = 1; | |||||
104 | ||||||
105 | REQUEST_FIXED_SIZE(xGLXSingleReq, 20)if (((sizeof(xGLXSingleReq) >> 2) > client->req_len ) || (((20) >> 2) >= client->req_len) || ((((uint64_t ) sizeof(xGLXSingleReq) + (20) + 3) >> 2) != (uint64_t) client->req_len)) return(16); | |||||
106 | ||||||
107 | cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc)(((xGLXSingleReq*)pc)->contextTag), &error); | |||||
108 | if (!cx) { | |||||
109 | return error; | |||||
110 | } | |||||
111 | ||||||
112 | pc += __GLX_SINGLE_HDR_SIZE8; | |||||
113 | level = *(GLint *) (pc + 4); | |||||
114 | format = *(GLenum *) (pc + 8); | |||||
115 | type = *(GLenum *) (pc + 12); | |||||
116 | target = *(GLenum *) (pc + 0); | |||||
117 | swapBytes = *(GLboolean *) (pc + 16); | |||||
118 | ||||||
119 | glGetTexLevelParameteriv(target, level, GL_TEXTURE_WIDTH0x1000, &width); | |||||
120 | glGetTexLevelParameteriv(target, level, GL_TEXTURE_HEIGHT0x1001, &height); | |||||
121 | if (target == GL_TEXTURE_3D0x806F) { | |||||
122 | glGetTexLevelParameteriv(target, level, GL_TEXTURE_DEPTH0x8071, &depth); | |||||
123 | } | |||||
124 | /* | |||||
125 | * The three queries above might fail if we're in a state where queries | |||||
126 | * are illegal, but then width, height, and depth would still be zero anyway. | |||||
127 | */ | |||||
128 | compsize = | |||||
129 | __glGetTexImage_size(target, level, format, type, width, height, depth); | |||||
130 | if (compsize < 0) | |||||
131 | return BadLength16; | |||||
132 | ||||||
133 | glPixelStorei(GL_PACK_SWAP_BYTES0x0D00, swapBytes); | |||||
134 | __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1)if (compsize < 0) return 16; else if ((compsize) > sizeof (answerBuffer)) { int bump; if ((cl)->returnBufSize < ( compsize)+(1)) { (cl)->returnBuf = (GLbyte*)realloc((cl)-> returnBuf, (compsize)+(1)); if (!(cl)->returnBuf) { return 11; } (cl)->returnBufSize = (compsize)+(1); } answer = (char *)cl->returnBuf; bump = (long)(answer) % (1); if (bump) answer += (1) - (bump); } else { answer = (char *)answerBuffer; }; | |||||
135 | __glXClearErrorOccured(); | |||||
136 | glGetTexImage(*(GLenum *) (pc + 0), *(GLint *) (pc + 4), | |||||
137 | *(GLenum *) (pc + 8), *(GLenum *) (pc + 12), answer); | |||||
138 | ||||||
139 | if (__glXErrorOccured()) { | |||||
140 | __GLX_BEGIN_REPLY(0)__glXReply.length = (((0)+3) & (GLuint)~3) >> 2; __glXReply .type = 1; __glXReply.sequenceNumber = client->sequence;; | |||||
141 | __GLX_SEND_HEADER()WriteToClient (client, 32, &__glXReply);; | |||||
142 | } | |||||
143 | else { | |||||
144 | __GLX_BEGIN_REPLY(compsize)__glXReply.length = (((compsize)+3) & (GLuint)~3) >> 2; __glXReply.type = 1; __glXReply.sequenceNumber = client-> sequence;; | |||||
145 | ((xGLXGetTexImageReply *) &__glXReply)->width = width; | |||||
146 | ((xGLXGetTexImageReply *) &__glXReply)->height = height; | |||||
147 | ((xGLXGetTexImageReply *) &__glXReply)->depth = depth; | |||||
148 | __GLX_SEND_HEADER()WriteToClient (client, 32, &__glXReply);; | |||||
149 | __GLX_SEND_VOID_ARRAY(compsize)WriteToClient(client, ((((compsize)*1)+3) & (GLuint)~3), answer ); | |||||
150 | } | |||||
151 | return Success0; | |||||
152 | } | |||||
153 | ||||||
154 | int | |||||
155 | __glXDisp_GetPolygonStipple(__GLXclientState * cl, GLbyte * pc) | |||||
156 | { | |||||
157 | GLboolean lsbFirst; | |||||
158 | __GLXcontext *cx; | |||||
159 | ClientPtr client = cl->client; | |||||
160 | int error; | |||||
161 | GLubyte answerBuffer[200]; | |||||
162 | char *answer; | |||||
163 | ||||||
164 | REQUEST_FIXED_SIZE(xGLXSingleReq, 4)if (((sizeof(xGLXSingleReq) >> 2) > client->req_len ) || (((4) >> 2) >= client->req_len) || ((((uint64_t ) sizeof(xGLXSingleReq) + (4) + 3) >> 2) != (uint64_t) client ->req_len)) return(16); | |||||
165 | ||||||
166 | cx = __glXForceCurrent(cl, __GLX_GET_SINGLE_CONTEXT_TAG(pc)(((xGLXSingleReq*)pc)->contextTag), &error); | |||||
167 | if (!cx) { | |||||
168 | return error; | |||||
169 | } | |||||
170 | ||||||
171 | pc += __GLX_SINGLE_HDR_SIZE8; | |||||
172 | lsbFirst = *(GLboolean *) (pc + 0); | |||||
173 | ||||||
174 | glPixelStorei(GL_PACK_LSB_FIRST0x0D01, lsbFirst); | |||||
175 | __GLX_GET_ANSWER_BUFFER(answer, cl, 128, 1)if (128 < 0) return 16; else if ((128) > sizeof(answerBuffer )) { int bump; if ((cl)->returnBufSize < (128)+(1)) { ( cl)->returnBuf = (GLbyte*)realloc((cl)->returnBuf, (128 )+(1)); if (!(cl)->returnBuf) { return 11; } (cl)->returnBufSize = (128)+(1); } answer = (char*)cl->returnBuf; bump = (long )(answer) % (1); if (bump) answer += (1) - (bump); } else { answer = (char *)answerBuffer; }; | |||||
176 | ||||||
177 | __glXClearErrorOccured(); | |||||
178 | glGetPolygonStipple((GLubyte *) answer); | |||||
179 | ||||||
180 | if (__glXErrorOccured()) { | |||||
181 | __GLX_BEGIN_REPLY(0)__glXReply.length = (((0)+3) & (GLuint)~3) >> 2; __glXReply .type = 1; __glXReply.sequenceNumber = client->sequence;; | |||||
182 | __GLX_SEND_HEADER()WriteToClient (client, 32, &__glXReply);; | |||||
183 | } | |||||
184 | else { | |||||
185 | __GLX_BEGIN_REPLY(128)__glXReply.length = (((128)+3) & (GLuint)~3) >> 2; __glXReply .type = 1; __glXReply.sequenceNumber = client->sequence;; | |||||
186 | __GLX_SEND_HEADER()WriteToClient (client, 32, &__glXReply);; | |||||
187 | __GLX_SEND_BYTE_ARRAY(128)WriteToClient(client, ((((128)*1)+3) & (GLuint)~3), answer ); | |||||
188 | } | |||||
189 | return Success0; | |||||
190 | } | |||||
191 | ||||||
192 | static int | |||||
193 | GetSeparableFilter(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag) | |||||
194 | { | |||||
195 | GLint compsize, compsize2; | |||||
196 | GLenum format, type, target; | |||||
197 | GLboolean swapBytes; | |||||
198 | __GLXcontext *cx; | |||||
199 | ClientPtr client = cl->client; | |||||
200 | int error; | |||||
201 | char *answer, answerBuffer[200]; | |||||
202 | GLint width = 0, height = 0; | |||||
203 | ||||||
204 | cx = __glXForceCurrent(cl, tag, &error); | |||||
205 | if (!cx) { | |||||
206 | return error; | |||||
207 | } | |||||
208 | ||||||
209 | format = *(GLenum *) (pc + 4); | |||||
210 | type = *(GLenum *) (pc + 8); | |||||
211 | target = *(GLenum *) (pc + 0); | |||||
212 | swapBytes = *(GLboolean *) (pc + 12); | |||||
213 | ||||||
214 | /* target must be SEPARABLE_2D, however I guess we can let the GL | |||||
215 | barf on this one.... */ | |||||
216 | ||||||
217 | glGetConvolutionParameteriv(target, GL_CONVOLUTION_WIDTH0x8018, &width); | |||||
218 | glGetConvolutionParameteriv(target, GL_CONVOLUTION_HEIGHT0x8019, &height); | |||||
219 | /* | |||||
220 | * The two queries above might fail if we're in a state where queries | |||||
221 | * are illegal, but then width and height would still be zero anyway. | |||||
222 | */ | |||||
223 | compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1); | |||||
224 | compsize2 = __glGetTexImage_size(target, 1, format, type, height, 1, 1); | |||||
225 | ||||||
226 | if ((compsize = safe_pad(compsize)) < 0) | |||||
227 | return BadLength16; | |||||
228 | if ((compsize2 = safe_pad(compsize2)) < 0) | |||||
229 | return BadLength16; | |||||
230 | ||||||
231 | glPixelStorei(GL_PACK_SWAP_BYTES0x0D00, swapBytes); | |||||
232 | __GLX_GET_ANSWER_BUFFER(answer, cl, safe_add(compsize, compsize2), 1)if (safe_add(compsize, compsize2) < 0) return 16; else if ( (safe_add(compsize, compsize2)) > sizeof(answerBuffer)) { int bump; if ((cl)->returnBufSize < (safe_add(compsize, compsize2 ))+(1)) { (cl)->returnBuf = (GLbyte*)realloc((cl)->returnBuf , (safe_add(compsize, compsize2))+(1)); if (!(cl)->returnBuf ) { return 11; } (cl)->returnBufSize = (safe_add(compsize, compsize2))+(1); } answer = (char*)cl->returnBuf; bump = ( long)(answer) % (1); if (bump) answer += (1) - (bump); } else { answer = (char *)answerBuffer; }; | |||||
| ||||||
233 | __glXClearErrorOccured(); | |||||
234 | glGetSeparableFilter(*(GLenum *) (pc + 0), *(GLenum *) (pc + 4), | |||||
235 | *(GLenum *) (pc + 8), answer, answer + compsize, NULL((void*)0)); | |||||
236 | ||||||
237 | if (__glXErrorOccured()) { | |||||
238 | __GLX_BEGIN_REPLY(0)__glXReply.length = (((0)+3) & (GLuint)~3) >> 2; __glXReply .type = 1; __glXReply.sequenceNumber = client->sequence;; | |||||
239 | __GLX_SEND_HEADER()WriteToClient (client, 32, &__glXReply);; | |||||
240 | } | |||||
241 | else { | |||||
242 | __GLX_BEGIN_REPLY(compsize + compsize2)__glXReply.length = (((compsize + compsize2)+3) & (GLuint )~3) >> 2; __glXReply.type = 1; __glXReply.sequenceNumber = client->sequence;; | |||||
243 | ((xGLXGetSeparableFilterReply *) &__glXReply)->width = width; | |||||
244 | ((xGLXGetSeparableFilterReply *) &__glXReply)->height = height; | |||||
245 | __GLX_SEND_HEADER()WriteToClient (client, 32, &__glXReply);; | |||||
246 | __GLX_SEND_VOID_ARRAY(compsize + compsize2)WriteToClient(client, ((((compsize + compsize2)*1)+3) & ( GLuint)~3), answer); | |||||
247 | } | |||||
248 | ||||||
249 | return Success0; | |||||
250 | } | |||||
251 | ||||||
252 | int | |||||
253 | __glXDisp_GetSeparableFilter(__GLXclientState * cl, GLbyte * pc) | |||||
254 | { | |||||
255 | const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc)(((xGLXSingleReq*)pc)->contextTag); | |||||
256 | ClientPtr client = cl->client; | |||||
257 | REQUEST_FIXED_SIZE(xGLXSingleReq, 16)if (((sizeof(xGLXSingleReq) >> 2) > client->req_len ) || (((16) >> 2) >= client->req_len) || ((((uint64_t ) sizeof(xGLXSingleReq) + (16) + 3) >> 2) != (uint64_t) client->req_len)) return(16); | |||||
258 | return GetSeparableFilter(cl, pc + __GLX_SINGLE_HDR_SIZE8, tag); | |||||
259 | } | |||||
260 | ||||||
261 | int | |||||
262 | __glXDisp_GetSeparableFilterEXT(__GLXclientState * cl, GLbyte * pc) | |||||
263 | { | |||||
264 | const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc)(((xGLXVendorPrivateReq*)pc)->contextTag); | |||||
265 | ClientPtr client = cl->client; | |||||
266 | REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16)if (((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len) || (((16) >> 2) >= client->req_len) || ( (((uint64_t) sizeof(xGLXVendorPrivateReq) + (16) + 3) >> 2) != (uint64_t) client->req_len)) return(16); | |||||
267 | return GetSeparableFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE12, tag); | |||||
| ||||||
268 | } | |||||
269 | ||||||
270 | static int | |||||
271 | GetConvolutionFilter(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag) | |||||
272 | { | |||||
273 | GLint compsize; | |||||
274 | GLenum format, type, target; | |||||
275 | GLboolean swapBytes; | |||||
276 | __GLXcontext *cx; | |||||
277 | ClientPtr client = cl->client; | |||||
278 | int error; | |||||
279 | char *answer, answerBuffer[200]; | |||||
280 | GLint width = 0, height = 0; | |||||
281 | ||||||
282 | cx = __glXForceCurrent(cl, tag, &error); | |||||
283 | if (!cx) { | |||||
284 | return error; | |||||
285 | } | |||||
286 | ||||||
287 | format = *(GLenum *) (pc + 4); | |||||
288 | type = *(GLenum *) (pc + 8); | |||||
289 | target = *(GLenum *) (pc + 0); | |||||
290 | swapBytes = *(GLboolean *) (pc + 12); | |||||
291 | ||||||
292 | glGetConvolutionParameteriv(target, GL_CONVOLUTION_WIDTH0x8018, &width); | |||||
293 | if (target == GL_CONVOLUTION_1D0x8010) { | |||||
294 | height = 1; | |||||
295 | } | |||||
296 | else { | |||||
297 | glGetConvolutionParameteriv(target, GL_CONVOLUTION_HEIGHT0x8019, &height); | |||||
298 | } | |||||
299 | /* | |||||
300 | * The two queries above might fail if we're in a state where queries | |||||
301 | * are illegal, but then width and height would still be zero anyway. | |||||
302 | */ | |||||
303 | compsize = __glGetTexImage_size(target, 1, format, type, width, height, 1); | |||||
304 | if (compsize < 0) | |||||
305 | return BadLength16; | |||||
306 | ||||||
307 | glPixelStorei(GL_PACK_SWAP_BYTES0x0D00, swapBytes); | |||||
308 | __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1)if (compsize < 0) return 16; else if ((compsize) > sizeof (answerBuffer)) { int bump; if ((cl)->returnBufSize < ( compsize)+(1)) { (cl)->returnBuf = (GLbyte*)realloc((cl)-> returnBuf, (compsize)+(1)); if (!(cl)->returnBuf) { return 11; } (cl)->returnBufSize = (compsize)+(1); } answer = (char *)cl->returnBuf; bump = (long)(answer) % (1); if (bump) answer += (1) - (bump); } else { answer = (char *)answerBuffer; }; | |||||
309 | __glXClearErrorOccured(); | |||||
310 | glGetConvolutionFilter(*(GLenum *) (pc + 0), *(GLenum *) (pc + 4), | |||||
311 | *(GLenum *) (pc + 8), answer); | |||||
312 | ||||||
313 | if (__glXErrorOccured()) { | |||||
314 | __GLX_BEGIN_REPLY(0)__glXReply.length = (((0)+3) & (GLuint)~3) >> 2; __glXReply .type = 1; __glXReply.sequenceNumber = client->sequence;; | |||||
315 | __GLX_SEND_HEADER()WriteToClient (client, 32, &__glXReply);; | |||||
316 | } | |||||
317 | else { | |||||
318 | __GLX_BEGIN_REPLY(compsize)__glXReply.length = (((compsize)+3) & (GLuint)~3) >> 2; __glXReply.type = 1; __glXReply.sequenceNumber = client-> sequence;; | |||||
319 | ((xGLXGetConvolutionFilterReply *) &__glXReply)->width = width; | |||||
320 | ((xGLXGetConvolutionFilterReply *) &__glXReply)->height = height; | |||||
321 | __GLX_SEND_HEADER()WriteToClient (client, 32, &__glXReply);; | |||||
322 | __GLX_SEND_VOID_ARRAY(compsize)WriteToClient(client, ((((compsize)*1)+3) & (GLuint)~3), answer ); | |||||
323 | } | |||||
324 | ||||||
325 | return Success0; | |||||
326 | } | |||||
327 | ||||||
328 | int | |||||
329 | __glXDisp_GetConvolutionFilter(__GLXclientState * cl, GLbyte * pc) | |||||
330 | { | |||||
331 | const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc)(((xGLXSingleReq*)pc)->contextTag); | |||||
332 | ClientPtr client = cl->client; | |||||
333 | REQUEST_FIXED_SIZE(xGLXSingleReq, 16)if (((sizeof(xGLXSingleReq) >> 2) > client->req_len ) || (((16) >> 2) >= client->req_len) || ((((uint64_t ) sizeof(xGLXSingleReq) + (16) + 3) >> 2) != (uint64_t) client->req_len)) return(16); | |||||
334 | return GetConvolutionFilter(cl, pc + __GLX_SINGLE_HDR_SIZE8, tag); | |||||
335 | } | |||||
336 | ||||||
337 | int | |||||
338 | __glXDisp_GetConvolutionFilterEXT(__GLXclientState * cl, GLbyte * pc) | |||||
339 | { | |||||
340 | const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc)(((xGLXVendorPrivateReq*)pc)->contextTag); | |||||
341 | ClientPtr client = cl->client; | |||||
342 | REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16)if (((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len) || (((16) >> 2) >= client->req_len) || ( (((uint64_t) sizeof(xGLXVendorPrivateReq) + (16) + 3) >> 2) != (uint64_t) client->req_len)) return(16); | |||||
343 | return GetConvolutionFilter(cl, pc + __GLX_VENDPRIV_HDR_SIZE12, tag); | |||||
344 | } | |||||
345 | ||||||
346 | static int | |||||
347 | GetHistogram(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag) | |||||
348 | { | |||||
349 | GLint compsize; | |||||
350 | GLenum format, type, target; | |||||
351 | GLboolean swapBytes, reset; | |||||
352 | __GLXcontext *cx; | |||||
353 | ClientPtr client = cl->client; | |||||
354 | int error; | |||||
355 | char *answer, answerBuffer[200]; | |||||
356 | GLint width = 0; | |||||
357 | ||||||
358 | cx = __glXForceCurrent(cl, tag, &error); | |||||
359 | if (!cx) { | |||||
360 | return error; | |||||
361 | } | |||||
362 | ||||||
363 | format = *(GLenum *) (pc + 4); | |||||
364 | type = *(GLenum *) (pc + 8); | |||||
365 | target = *(GLenum *) (pc + 0); | |||||
366 | swapBytes = *(GLboolean *) (pc + 12); | |||||
367 | reset = *(GLboolean *) (pc + 13); | |||||
368 | ||||||
369 | glGetHistogramParameteriv(target, GL_HISTOGRAM_WIDTH0x8026, &width); | |||||
370 | /* | |||||
371 | * The one query above might fail if we're in a state where queries | |||||
372 | * are illegal, but then width would still be zero anyway. | |||||
373 | */ | |||||
374 | compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1); | |||||
375 | if (compsize < 0) | |||||
376 | return BadLength16; | |||||
377 | ||||||
378 | glPixelStorei(GL_PACK_SWAP_BYTES0x0D00, swapBytes); | |||||
379 | __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1)if (compsize < 0) return 16; else if ((compsize) > sizeof (answerBuffer)) { int bump; if ((cl)->returnBufSize < ( compsize)+(1)) { (cl)->returnBuf = (GLbyte*)realloc((cl)-> returnBuf, (compsize)+(1)); if (!(cl)->returnBuf) { return 11; } (cl)->returnBufSize = (compsize)+(1); } answer = (char *)cl->returnBuf; bump = (long)(answer) % (1); if (bump) answer += (1) - (bump); } else { answer = (char *)answerBuffer; }; | |||||
380 | __glXClearErrorOccured(); | |||||
381 | glGetHistogram(target, reset, format, type, answer); | |||||
382 | ||||||
383 | if (__glXErrorOccured()) { | |||||
384 | __GLX_BEGIN_REPLY(0)__glXReply.length = (((0)+3) & (GLuint)~3) >> 2; __glXReply .type = 1; __glXReply.sequenceNumber = client->sequence;; | |||||
385 | __GLX_SEND_HEADER()WriteToClient (client, 32, &__glXReply);; | |||||
386 | } | |||||
387 | else { | |||||
388 | __GLX_BEGIN_REPLY(compsize)__glXReply.length = (((compsize)+3) & (GLuint)~3) >> 2; __glXReply.type = 1; __glXReply.sequenceNumber = client-> sequence;; | |||||
389 | ((xGLXGetHistogramReply *) &__glXReply)->width = width; | |||||
390 | __GLX_SEND_HEADER()WriteToClient (client, 32, &__glXReply);; | |||||
391 | __GLX_SEND_VOID_ARRAY(compsize)WriteToClient(client, ((((compsize)*1)+3) & (GLuint)~3), answer ); | |||||
392 | } | |||||
393 | ||||||
394 | return Success0; | |||||
395 | } | |||||
396 | ||||||
397 | int | |||||
398 | __glXDisp_GetHistogram(__GLXclientState * cl, GLbyte * pc) | |||||
399 | { | |||||
400 | const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc)(((xGLXSingleReq*)pc)->contextTag); | |||||
401 | ClientPtr client = cl->client; | |||||
402 | REQUEST_FIXED_SIZE(xGLXSingleReq, 16)if (((sizeof(xGLXSingleReq) >> 2) > client->req_len ) || (((16) >> 2) >= client->req_len) || ((((uint64_t ) sizeof(xGLXSingleReq) + (16) + 3) >> 2) != (uint64_t) client->req_len)) return(16); | |||||
403 | return GetHistogram(cl, pc + __GLX_SINGLE_HDR_SIZE8, tag); | |||||
404 | } | |||||
405 | ||||||
406 | int | |||||
407 | __glXDisp_GetHistogramEXT(__GLXclientState * cl, GLbyte * pc) | |||||
408 | { | |||||
409 | const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc)(((xGLXVendorPrivateReq*)pc)->contextTag); | |||||
410 | ClientPtr client = cl->client; | |||||
411 | REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16)if (((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len) || (((16) >> 2) >= client->req_len) || ( (((uint64_t) sizeof(xGLXVendorPrivateReq) + (16) + 3) >> 2) != (uint64_t) client->req_len)) return(16); | |||||
412 | return GetHistogram(cl, pc + __GLX_VENDPRIV_HDR_SIZE12, tag); | |||||
413 | } | |||||
414 | ||||||
415 | static int | |||||
416 | GetMinmax(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag) | |||||
417 | { | |||||
418 | GLint compsize; | |||||
419 | GLenum format, type, target; | |||||
420 | GLboolean swapBytes, reset; | |||||
421 | __GLXcontext *cx; | |||||
422 | ClientPtr client = cl->client; | |||||
423 | int error; | |||||
424 | char *answer, answerBuffer[200]; | |||||
425 | ||||||
426 | cx = __glXForceCurrent(cl, tag, &error); | |||||
427 | if (!cx) { | |||||
428 | return error; | |||||
429 | } | |||||
430 | ||||||
431 | format = *(GLenum *) (pc + 4); | |||||
432 | type = *(GLenum *) (pc + 8); | |||||
433 | target = *(GLenum *) (pc + 0); | |||||
434 | swapBytes = *(GLboolean *) (pc + 12); | |||||
435 | reset = *(GLboolean *) (pc + 13); | |||||
436 | ||||||
437 | compsize = __glGetTexImage_size(target, 1, format, type, 2, 1, 1); | |||||
438 | if (compsize < 0) | |||||
439 | return BadLength16; | |||||
440 | ||||||
441 | glPixelStorei(GL_PACK_SWAP_BYTES0x0D00, swapBytes); | |||||
442 | __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1)if (compsize < 0) return 16; else if ((compsize) > sizeof (answerBuffer)) { int bump; if ((cl)->returnBufSize < ( compsize)+(1)) { (cl)->returnBuf = (GLbyte*)realloc((cl)-> returnBuf, (compsize)+(1)); if (!(cl)->returnBuf) { return 11; } (cl)->returnBufSize = (compsize)+(1); } answer = (char *)cl->returnBuf; bump = (long)(answer) % (1); if (bump) answer += (1) - (bump); } else { answer = (char *)answerBuffer; }; | |||||
443 | __glXClearErrorOccured(); | |||||
444 | glGetMinmax(target, reset, format, type, answer); | |||||
445 | ||||||
446 | if (__glXErrorOccured()) { | |||||
447 | __GLX_BEGIN_REPLY(0)__glXReply.length = (((0)+3) & (GLuint)~3) >> 2; __glXReply .type = 1; __glXReply.sequenceNumber = client->sequence;; | |||||
448 | __GLX_SEND_HEADER()WriteToClient (client, 32, &__glXReply);; | |||||
449 | } | |||||
450 | else { | |||||
451 | __GLX_BEGIN_REPLY(compsize)__glXReply.length = (((compsize)+3) & (GLuint)~3) >> 2; __glXReply.type = 1; __glXReply.sequenceNumber = client-> sequence;; | |||||
452 | __GLX_SEND_HEADER()WriteToClient (client, 32, &__glXReply);; | |||||
453 | __GLX_SEND_VOID_ARRAY(compsize)WriteToClient(client, ((((compsize)*1)+3) & (GLuint)~3), answer ); | |||||
454 | } | |||||
455 | ||||||
456 | return Success0; | |||||
457 | } | |||||
458 | ||||||
459 | int | |||||
460 | __glXDisp_GetMinmax(__GLXclientState * cl, GLbyte * pc) | |||||
461 | { | |||||
462 | const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc)(((xGLXSingleReq*)pc)->contextTag); | |||||
463 | ClientPtr client = cl->client; | |||||
464 | REQUEST_FIXED_SIZE(xGLXSingleReq, 16)if (((sizeof(xGLXSingleReq) >> 2) > client->req_len ) || (((16) >> 2) >= client->req_len) || ((((uint64_t ) sizeof(xGLXSingleReq) + (16) + 3) >> 2) != (uint64_t) client->req_len)) return(16); | |||||
465 | return GetMinmax(cl, pc + __GLX_SINGLE_HDR_SIZE8, tag); | |||||
466 | } | |||||
467 | ||||||
468 | int | |||||
469 | __glXDisp_GetMinmaxEXT(__GLXclientState * cl, GLbyte * pc) | |||||
470 | { | |||||
471 | const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc)(((xGLXVendorPrivateReq*)pc)->contextTag); | |||||
472 | ClientPtr client = cl->client; | |||||
473 | REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16)if (((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len) || (((16) >> 2) >= client->req_len) || ( (((uint64_t) sizeof(xGLXVendorPrivateReq) + (16) + 3) >> 2) != (uint64_t) client->req_len)) return(16); | |||||
474 | return GetMinmax(cl, pc + __GLX_VENDPRIV_HDR_SIZE12, tag); | |||||
475 | } | |||||
476 | ||||||
477 | static int | |||||
478 | GetColorTable(__GLXclientState * cl, GLbyte * pc, GLXContextTag tag) | |||||
479 | { | |||||
480 | GLint compsize; | |||||
481 | GLenum format, type, target; | |||||
482 | GLboolean swapBytes; | |||||
483 | __GLXcontext *cx; | |||||
484 | ClientPtr client = cl->client; | |||||
485 | int error; | |||||
486 | char *answer, answerBuffer[200]; | |||||
487 | GLint width = 0; | |||||
488 | ||||||
489 | cx = __glXForceCurrent(cl, tag, &error); | |||||
490 | if (!cx) { | |||||
491 | return error; | |||||
492 | } | |||||
493 | ||||||
494 | target = *(GLenum *) (pc + 0); | |||||
495 | format = *(GLenum *) (pc + 4); | |||||
496 | type = *(GLenum *) (pc + 8); | |||||
497 | swapBytes = *(GLboolean *) (pc + 12); | |||||
498 | ||||||
499 | glGetColorTableParameteriv(target, GL_COLOR_TABLE_WIDTH0x80D9, &width); | |||||
500 | /* | |||||
501 | * The one query above might fail if we're in a state where queries | |||||
502 | * are illegal, but then width would still be zero anyway. | |||||
503 | */ | |||||
504 | compsize = __glGetTexImage_size(target, 1, format, type, width, 1, 1); | |||||
505 | if (compsize < 0) | |||||
506 | return BadLength16; | |||||
507 | ||||||
508 | glPixelStorei(GL_PACK_SWAP_BYTES0x0D00, swapBytes); | |||||
509 | __GLX_GET_ANSWER_BUFFER(answer, cl, compsize, 1)if (compsize < 0) return 16; else if ((compsize) > sizeof (answerBuffer)) { int bump; if ((cl)->returnBufSize < ( compsize)+(1)) { (cl)->returnBuf = (GLbyte*)realloc((cl)-> returnBuf, (compsize)+(1)); if (!(cl)->returnBuf) { return 11; } (cl)->returnBufSize = (compsize)+(1); } answer = (char *)cl->returnBuf; bump = (long)(answer) % (1); if (bump) answer += (1) - (bump); } else { answer = (char *)answerBuffer; }; | |||||
510 | __glXClearErrorOccured(); | |||||
511 | glGetColorTable(*(GLenum *) (pc + 0), *(GLenum *) (pc + 4), | |||||
512 | *(GLenum *) (pc + 8), answer); | |||||
513 | ||||||
514 | if (__glXErrorOccured()) { | |||||
515 | __GLX_BEGIN_REPLY(0)__glXReply.length = (((0)+3) & (GLuint)~3) >> 2; __glXReply .type = 1; __glXReply.sequenceNumber = client->sequence;; | |||||
516 | __GLX_SEND_HEADER()WriteToClient (client, 32, &__glXReply);; | |||||
517 | } | |||||
518 | else { | |||||
519 | __GLX_BEGIN_REPLY(compsize)__glXReply.length = (((compsize)+3) & (GLuint)~3) >> 2; __glXReply.type = 1; __glXReply.sequenceNumber = client-> sequence;; | |||||
520 | ((xGLXGetColorTableReply *) &__glXReply)->width = width; | |||||
521 | __GLX_SEND_HEADER()WriteToClient (client, 32, &__glXReply);; | |||||
522 | __GLX_SEND_VOID_ARRAY(compsize)WriteToClient(client, ((((compsize)*1)+3) & (GLuint)~3), answer ); | |||||
523 | } | |||||
524 | ||||||
525 | return Success0; | |||||
526 | } | |||||
527 | ||||||
528 | int | |||||
529 | __glXDisp_GetColorTable(__GLXclientState * cl, GLbyte * pc) | |||||
530 | { | |||||
531 | const GLXContextTag tag = __GLX_GET_SINGLE_CONTEXT_TAG(pc)(((xGLXSingleReq*)pc)->contextTag); | |||||
532 | ClientPtr client = cl->client; | |||||
533 | REQUEST_FIXED_SIZE(xGLXSingleReq, 16)if (((sizeof(xGLXSingleReq) >> 2) > client->req_len ) || (((16) >> 2) >= client->req_len) || ((((uint64_t ) sizeof(xGLXSingleReq) + (16) + 3) >> 2) != (uint64_t) client->req_len)) return(16); | |||||
534 | return GetColorTable(cl, pc + __GLX_SINGLE_HDR_SIZE8, tag); | |||||
535 | } | |||||
536 | ||||||
537 | int | |||||
538 | __glXDisp_GetColorTableSGI(__GLXclientState * cl, GLbyte * pc) | |||||
539 | { | |||||
540 | const GLXContextTag tag = __GLX_GET_VENDPRIV_CONTEXT_TAG(pc)(((xGLXVendorPrivateReq*)pc)->contextTag); | |||||
541 | ClientPtr client = cl->client; | |||||
542 | REQUEST_FIXED_SIZE(xGLXVendorPrivateReq, 16)if (((sizeof(xGLXVendorPrivateReq) >> 2) > client-> req_len) || (((16) >> 2) >= client->req_len) || ( (((uint64_t) sizeof(xGLXVendorPrivateReq) + (16) + 3) >> 2) != (uint64_t) client->req_len)) return(16); | |||||
543 | return GetColorTable(cl, pc + __GLX_VENDPRIV_HDR_SIZE12, tag); | |||||
544 | } |