| 1 | /* |
| 2 | * Xephyr - A kdrive X server thats runs in a host X window. |
| 3 | * Authored by Matthew Allum <mallum@openedhand.com> |
| 4 | * |
| 5 | * Copyright © 2007 OpenedHand Ltd |
| 6 | * |
| 7 | * Permission to use, copy, modify, distribute, and sell this software and its |
| 8 | * documentation for any purpose is hereby granted without fee, provided that |
| 9 | * the above copyright notice appear in all copies and that both that |
| 10 | * copyright notice and this permission notice appear in supporting |
| 11 | * documentation, and that the name of OpenedHand Ltd not be used in |
| 12 | * advertising or publicity pertaining to distribution of the software without |
| 13 | * specific, written prior permission. OpenedHand Ltd makes no |
| 14 | * representations about the suitability of this software for any purpose. It |
| 15 | * is provided "as is" without express or implied warranty. |
| 16 | * |
| 17 | * OpenedHand Ltd DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| 18 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| 19 | * EVENT SHALL OpenedHand Ltd BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| 20 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 21 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 22 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 23 | * PERFORMANCE OF THIS SOFTWARE. |
| 24 | * |
| 25 | * Authors: |
| 26 | * Dodji Seketeli <dodji@openedhand.com> |
| 27 | */ |
| 28 | #ifdef HAVE_CONFIG_H |
| 29 | #include <kdrive-config.h> |
| 30 | #endif |
| 31 | |
| 32 | #include <xcb/glx.h> |
| 33 | #include "extnsionst.h" |
| 34 | #include "ephyrglxext.h" |
| 35 | #include "ephyrhostglx.h" |
| 36 | #define _HAVE_XALLOC_DECLS |
| 37 | #include "ephyrlog.h" |
| 38 | #include <GL/glxproto.h> |
| 39 | #include "glx/glxserver.h" |
| 40 | #include "glx/indirect_table.h" |
| 41 | #include "glx/indirect_util.h" |
| 42 | #include "glx/unpack.h" |
| 43 | #include "hostx.h" |
| 44 | |
| 45 | #ifndef TRUE |
| 46 | #define TRUE 1 |
| 47 | #endif |
| 48 | |
| 49 | #ifndef FALSE |
| 50 | #define FALSE 0 |
| 51 | #endif |
| 52 | |
| 53 | int ephyrGLXQueryVersion(__GLXclientState * cl, GLbyte * pc); |
| 54 | int ephyrGLXQueryVersionSwap(__GLXclientState * cl, GLbyte * pc); |
| 55 | int ephyrGLXGetVisualConfigs(__GLXclientState * cl, GLbyte * pc); |
| 56 | int ephyrGLXGetVisualConfigsSwap(__GLXclientState * cl, GLbyte * pc); |
| 57 | int ephyrGLXClientInfo(__GLXclientState * cl, GLbyte * pc); |
| 58 | int ephyrGLXClientInfoSwap(__GLXclientState * cl, GLbyte * pc); |
| 59 | int ephyrGLXQueryServerString(__GLXclientState * a_cl, GLbyte * a_pc); |
| 60 | int ephyrGLXQueryServerStringSwap(__GLXclientState * a_cl, GLbyte * a_pc); |
| 61 | int ephyrGLXGetFBConfigsSGIX(__GLXclientState * a_cl, GLbyte * a_pc); |
| 62 | int ephyrGLXGetFBConfigsSGIXSwap(__GLXclientState * a_cl, GLbyte * a_pc); |
| 63 | int ephyrGLXCreateContext(__GLXclientState * a_cl, GLbyte * a_pc); |
| 64 | int ephyrGLXCreateContextSwap(__GLXclientState * a_cl, GLbyte * a_pc); |
| 65 | int ephyrGLXCreateNewContext(__GLXclientState * a_cl, GLbyte * a_pc); |
| 66 | int ephyrGLXCreateNewContextSwap(__GLXclientState * a_cl, GLbyte * a_pc); |
| 67 | int ephyrGLXDestroyContext(__GLXclientState * a_cl, GLbyte * a_pc); |
| 68 | int ephyrGLXDestroyContextSwap(__GLXclientState * a_cl, GLbyte * a_pc); |
| 69 | int ephyrGLXMakeCurrent(__GLXclientState * a_cl, GLbyte * a_pc); |
| 70 | int ephyrGLXMakeCurrentSwap(__GLXclientState * a_cl, GLbyte * a_pc); |
| 71 | int ephyrGLXMakeCurrentReadSGI(__GLXclientState * a_cl, GLbyte * a_pc); |
| 72 | int ephyrGLXMakeCurrentReadSGISwap(__GLXclientState * a_cl, GLbyte * a_pc); |
| 73 | int ephyrGLXMakeContextCurrent(__GLXclientState * a_cl, GLbyte * a_pc); |
| 74 | int ephyrGLXMakeContextCurrentSwap(__GLXclientState * a_cl, GLbyte * a_pc); |
| 75 | int ephyrGLXGetString(__GLXclientState * a_cl, GLbyte * a_pc); |
| 76 | int ephyrGLXGetStringSwap(__GLXclientState * a_cl, GLbyte * a_pc); |
| 77 | int ephyrGLXGetIntegerv(__GLXclientState * a_cl, GLbyte * a_pc); |
| 78 | int ephyrGLXGetIntegervSwap(__GLXclientState * a_cl, GLbyte * a_pc); |
| 79 | int ephyrGLXIsDirect(__GLXclientState * a_cl, GLbyte * a_pc); |
| 80 | int ephyrGLXIsDirectSwap(__GLXclientState * a_cl, GLbyte * a_pc); |
| 81 | |
| 82 | Bool |
| 83 | ephyrHijackGLXExtension(void) |
| 84 | { |
| 85 | const void *(*dispatch_functions)[2]; |
| 86 | |
| 87 | if (!host_has_extension(&xcb_glx_id)) { |
| 88 | EPHYR_LOG("host X does not have GLX\n"); |
| 89 | return FALSE; |
| 90 | } |
| 91 | EPHYR_LOG("host X does have GLX\n"); |
| 92 | |
| 93 | if (!Single_dispatch_info.dispatch_functions) { |
| 94 | EPHYR_LOG_ERROR("could not get dispatch functions table\n"); |
| 95 | return FALSE; |
| 96 | } |
| 97 | /* |
| 98 | * hijack some single entry point dispatch functions |
| 99 | */ |
| 100 | dispatch_functions = Single_dispatch_info.dispatch_functions; |
| 101 | EPHYR_RETURN_VAL_IF_FAIL(dispatch_functions, FALSE); |
| 102 | |
| 103 | dispatch_functions[X_GLXQueryVersion][0] = ephyrGLXQueryVersion; |
| 104 | dispatch_functions[X_GLXQueryVersion][1] = ephyrGLXQueryVersionSwap; |
| 105 | |
| 106 | dispatch_functions[X_GLXGetVisualConfigs][0] = ephyrGLXGetVisualConfigs; |
| 107 | dispatch_functions[X_GLXGetVisualConfigs][1] = ephyrGLXGetVisualConfigsSwap; |
| 108 | dispatch_functions[X_GLXClientInfo][0] = ephyrGLXClientInfo; |
| 109 | dispatch_functions[X_GLXClientInfo][1] = ephyrGLXClientInfoSwap; |
| 110 | |
| 111 | dispatch_functions[X_GLXQueryServerString][0] = ephyrGLXQueryServerString; |
| 112 | dispatch_functions[X_GLXQueryServerString][1] = |
| 113 | ephyrGLXQueryServerStringSwap; |
| 114 | |
| 115 | dispatch_functions[X_GLXCreateContext][0] = ephyrGLXCreateContext; |
| 116 | dispatch_functions[X_GLXCreateContext][1] = ephyrGLXCreateContextSwap; |
| 117 | |
| 118 | dispatch_functions[X_GLXCreateNewContext][0] = ephyrGLXCreateNewContext; |
| 119 | dispatch_functions[X_GLXCreateNewContext][1] = ephyrGLXCreateNewContextSwap; |
| 120 | |
| 121 | dispatch_functions[X_GLXDestroyContext][0] = ephyrGLXDestroyContext; |
| 122 | dispatch_functions[X_GLXDestroyContext][1] = ephyrGLXDestroyContextSwap; |
| 123 | |
| 124 | dispatch_functions[X_GLXMakeCurrent][0] = ephyrGLXMakeCurrent; |
| 125 | dispatch_functions[X_GLXMakeCurrent][1] = ephyrGLXMakeCurrentSwap; |
| 126 | |
| 127 | dispatch_functions[X_GLXIsDirect][0] = ephyrGLXIsDirect; |
| 128 | dispatch_functions[X_GLXIsDirect][1] = ephyrGLXIsDirectSwap; |
| 129 | |
| 130 | dispatch_functions[73][0] = ephyrGLXGetString; |
| 131 | dispatch_functions[73][1] = ephyrGLXGetStringSwap; |
| 132 | |
| 133 | dispatch_functions[61][0] = ephyrGLXGetIntegerv; |
| 134 | dispatch_functions[61][1] = ephyrGLXGetIntegervSwap; |
| 135 | |
| 136 | dispatch_functions[X_GLXMakeContextCurrent][0] = |
| 137 | ephyrGLXMakeContextCurrent; |
| 138 | dispatch_functions[X_GLXMakeContextCurrent][1] = |
| 139 | ephyrGLXMakeContextCurrentSwap; |
| 140 | |
| 141 | /* |
| 142 | * hijack some vendor priv entry point dispatch functions |
| 143 | */ |
| 144 | dispatch_functions = VendorPriv_dispatch_info.dispatch_functions; |
| 145 | dispatch_functions[92][0] = ephyrGLXGetFBConfigsSGIX; |
| 146 | dispatch_functions[92][1] = ephyrGLXGetFBConfigsSGIXSwap; |
| 147 | |
| 148 | dispatch_functions[89][0] = ephyrGLXMakeCurrentReadSGI; |
| 149 | dispatch_functions[89][1] = ephyrGLXMakeCurrentReadSGISwap; |
| 150 | |
| 151 | EPHYR_LOG("hijacked glx entry points to forward requests to host X\n"); |
| 152 | |
| 153 | |
| 154 | return TRUE; |
| 155 | } |
| 156 | |
| 157 | /********************* |
| 158 | * implementation of |
| 159 | * hijacked GLX entry |
| 160 | * points |
| 161 | ********************/ |
| 162 | |
| 163 | int |
| 164 | ephyrGLXQueryVersion(__GLXclientState * a_cl, GLbyte * a_pc) |
| 165 | { |
| 166 | ClientPtr client = a_cl->client; |
| 167 | xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) a_pc; |
| 168 | xGLXQueryVersionReply reply; |
| 169 | int major, minor; |
| 170 | int res = BadImplementation; |
| 171 | |
| 172 | EPHYR_LOG("enter\n"); |
| 173 | |
| 174 | major = req->majorVersion; |
| 175 | minor = req->minorVersion; |
| 176 | |
| 177 | if (!ephyrHostGLXQueryVersion(&major, &minor)) { |
| 178 | EPHYR_LOG_ERROR("ephyrHostGLXQueryVersion() failed\n"); |
| 179 | goto out; |
| 180 | } |
| 181 | EPHYR_LOG("major:%d, minor:%d\n", major, minor); |
| 182 | reply = (xGLXQueryVersionReply) { |
| 183 | .type = X_Reply, |
| 184 | .sequenceNumber = client->sequence, |
| 185 | .length = 0, |
| 186 | .majorVersion = major, |
| 187 | .minorVersion = minor |
| 188 | }; |
| 189 | |
| 190 | if (client->swapped) { |
| 191 | __glXSwapQueryVersionReply(client, &reply); |
| 192 | } |
| 193 | else { |
| 194 | WriteToClient(client, sz_xGLXQueryVersionReply, &reply); |
| 195 | } |
| 196 | |
| 197 | res = Success; |
| 198 | out: |
| 199 | EPHYR_LOG("leave\n"); |
| 200 | return res; |
| 201 | } |
| 202 | |
| 203 | int |
| 204 | ephyrGLXQueryVersionSwap(__GLXclientState * a_cl, GLbyte * a_pc) |
| 205 | { |
| 206 | xGLXQueryVersionReq *req = (xGLXQueryVersionReq *) a_pc; |
| 207 | |
| 208 | __GLX_DECLARE_SWAP_VARIABLES; |
| 209 | |
| 210 | __GLX_SWAP_SHORT(&req->length); |
| 211 | __GLX_SWAP_INT(&req->majorVersion); |
| 212 | __GLX_SWAP_INT(&req->minorVersion); |
| 213 | return ephyrGLXQueryVersion(a_cl, a_pc); |
| 214 | } |
| 215 | |
| 216 | static int |
| 217 | ephyrGLXGetVisualConfigsReal(__GLXclientState * a_cl, |
| 218 | GLbyte * a_pc, Bool a_do_swap) |
| 219 | { |
| 220 | xGLXGetVisualConfigsReq *req = (xGLXGetVisualConfigsReq *) a_pc; |
| 221 | ClientPtr client = a_cl->client; |
| 222 | xGLXGetVisualConfigsReply reply; |
| 223 | int32_t *props_buf = NULL, num_visuals = 0, |
| 224 | num_props = 0, res = BadImplementation, i = 0, |
| 225 | props_per_visual_size = 0, props_buf_size = 0; |
| 226 | __GLX_DECLARE_SWAP_VARIABLES; |
| 227 | __GLX_DECLARE_SWAP_ARRAY_VARIABLES; |
| 228 | |
| 229 | EPHYR_LOG("enter\n"); |
| 230 | |
| 231 | if (!ephyrHostGLXGetVisualConfigs(req->screen, |
| 232 | &num_visuals, |
| 233 | &num_props, |
| 234 | &props_buf_size, &props_buf)) { |
| 235 | EPHYR_LOG_ERROR("ephyrHostGLXGetVisualConfigs() failed\n"); |
| 236 | goto out; |
| 237 | } |
| 238 | EPHYR_LOG("num_visuals:%d, num_props:%d\n", num_visuals, num_props); |
| 239 | |
| 240 | reply = (xGLXGetVisualConfigsReply) { |
| 241 | .type = X_Reply, |
| 242 | .sequenceNumber = client->sequence, |
| 243 | .length = (num_visuals * __GLX_SIZE_CARD32 * num_props) >> 2, |
| 244 | .numVisuals = num_visuals, |
| 245 | .numProps = num_props |
| 246 | }; |
| 247 | |
| 248 | if (a_do_swap) { |
| 249 | __GLX_SWAP_SHORT(&reply.sequenceNumber); |
| 250 | __GLX_SWAP_INT(&reply.length); |
| 251 | __GLX_SWAP_INT(&reply.numVisuals); |
| 252 | __GLX_SWAP_INT(&reply.numProps); |
| 253 | __GLX_SWAP_INT_ARRAY(props_buf, num_props); |
| 254 | } |
| 255 | WriteToClient(client, sz_xGLXGetVisualConfigsReply, &reply); |
| 256 | props_per_visual_size = props_buf_size / num_visuals; |
| 257 | for (i = 0; i < num_visuals; i++) { |
| 258 | WriteToClient(client, |
| 259 | props_per_visual_size, |
| 260 | (char *) props_buf + i * props_per_visual_size); |
| 261 | } |
| 262 | res = Success; |
| 263 | |
| 264 | out: |
| 265 | EPHYR_LOG("leave\n"); |
| 266 | free(props_buf); |
| 267 | props_buf = NULL; |
| 268 | |
| 269 | return res; |
| 270 | } |
| 271 | |
| 272 | static int |
| 273 | ephyrGLXGetFBConfigsSGIXReal(__GLXclientState * a_cl, |
| 274 | GLbyte * a_pc, Bool a_do_swap) |
| 275 | { |
| 276 | xGLXGetFBConfigsSGIXReq *req = (xGLXGetFBConfigsSGIXReq *) a_pc; |
| 277 | ClientPtr client = a_cl->client; |
| 278 | xGLXGetVisualConfigsReply reply; |
| 279 | int32_t *props_buf = NULL, num_visuals = 0, |
| 280 | num_props = 0, res = BadImplementation, i = 0, |
| 281 | props_per_visual_size = 0, props_buf_size = 0; |
| 282 | __GLX_DECLARE_SWAP_VARIABLES; |
| 283 | __GLX_DECLARE_SWAP_ARRAY_VARIABLES; |
| 284 | |
| 285 | EPHYR_LOG("enter\n"); |
| 286 | |
| 287 | if (!ephyrHostGLXVendorPrivGetFBConfigsSGIX(req->screen, |
| 288 | &num_visuals, |
| 289 | &num_props, |
| 290 | &props_buf_size, &props_buf)) { |
| 291 | EPHYR_LOG_ERROR("ephyrHostGLXGetVisualConfigs() failed\n"); |
| 292 | goto out; |
| 293 | } |
| 294 | EPHYR_LOG("num_visuals:%d, num_props:%d\n", num_visuals, num_props); |
| 295 | |
| 296 | reply = (xGLXGetVisualConfigsReply) { |
| 297 | .type = X_Reply, |
| 298 | .sequenceNumber = client->sequence, |
| 299 | .length = props_buf_size >> 2, |
| 300 | .numVisuals = num_visuals, |
| 301 | .numProps = num_props |
| 302 | }; |
| 303 | |
| 304 | if (a_do_swap) { |
| 305 | __GLX_SWAP_SHORT(&reply.sequenceNumber); |
| 306 | __GLX_SWAP_INT(&reply.length); |
| 307 | __GLX_SWAP_INT(&reply.numVisuals); |
| 308 | __GLX_SWAP_INT(&reply.numProps); |
| 309 | __GLX_SWAP_INT_ARRAY(props_buf, num_props); |
| 310 | } |
| 311 | WriteToClient(client, sz_xGLXGetVisualConfigsReply, &reply); |
| 312 | props_per_visual_size = props_buf_size / num_visuals; |
| 313 | for (i = 0; i < num_visuals; i++) { |
| 314 | WriteToClient(client, |
| 315 | props_per_visual_size, |
| 316 | &((char *) props_buf)[i * props_per_visual_size]); |
| 317 | } |
| 318 | res = Success; |
| 319 | |
| 320 | out: |
| 321 | EPHYR_LOG("leave\n"); |
| 322 | free(props_buf); |
| 323 | props_buf = NULL; |
| 324 | |
| 325 | return res; |
| 326 | } |
| 327 | |
| 328 | int |
| 329 | ephyrGLXGetVisualConfigs(__GLXclientState * a_cl, GLbyte * a_pc) |
| 330 | { |
| 331 | return ephyrGLXGetVisualConfigsReal(a_cl, a_pc, FALSE); |
| 332 | } |
| 333 | |
| 334 | int |
| 335 | ephyrGLXGetVisualConfigsSwap(__GLXclientState * a_cl, GLbyte * a_pc) |
| 336 | { |
| 337 | return ephyrGLXGetVisualConfigsReal(a_cl, a_pc, TRUE); |
| 338 | } |
| 339 | |
| 340 | int |
| 341 | ephyrGLXClientInfo(__GLXclientState * a_cl, GLbyte * a_pc) |
| 342 | { |
| 343 | int res = BadImplementation; |
| 344 | xGLXClientInfoReq *req = (xGLXClientInfoReq *) a_pc; |
| 345 | |
| 346 | EPHYR_LOG("enter\n"); |
| 347 | if (!ephyrHostGLXSendClientInfo(req->major, req->minor, (char *) req + 1)) { |
| 348 | EPHYR_LOG_ERROR("failed to send client info to host\n"); |
| 349 | goto out; |
| 350 | } |
| 351 | res = Success; |
| 352 | |
| 353 | out: |
| 354 | EPHYR_LOG("leave\n"); |
| 355 | return res; |
| 356 | } |
| 357 | |
| 358 | int |
| 359 | ephyrGLXClientInfoSwap(__GLXclientState * a_cl, GLbyte * a_pc) |
| 360 | { |
| 361 | xGLXClientInfoReq *req = (xGLXClientInfoReq *) a_pc; |
| 362 | |
| 363 | __GLX_DECLARE_SWAP_VARIABLES; |
| 364 | |
| 365 | __GLX_SWAP_SHORT(&req->length); |
| 366 | __GLX_SWAP_INT(&req->major); |
| 367 | __GLX_SWAP_INT(&req->minor); |
| 368 | __GLX_SWAP_INT(&req->numbytes); |
| 369 | |
| 370 | return ephyrGLXClientInfo(a_cl, a_pc); |
| 371 | } |
| 372 | |
| 373 | int |
| 374 | ephyrGLXQueryServerString(__GLXclientState * a_cl, GLbyte * a_pc) |
| 375 | { |
| 376 | int res = BadImplementation; |
| 377 | ClientPtr client = a_cl->client; |
| 378 | xGLXQueryServerStringReq *req = (xGLXQueryServerStringReq *) a_pc; |
| 379 | xGLXQueryServerStringReply reply; |
| 380 | char *server_string = NULL; |
| 381 | int length = 0; |
| 382 | |
| 383 | EPHYR_LOG("enter\n"); |
| 384 | if (!ephyrHostGLXQueryServerString(req->screen, |
| 385 | req->name, |
| 386 | &server_string)) { |
| 387 | EPHYR_LOG_ERROR("failed to query string from host\n"); |
| 388 | goto out; |
| 389 | } |
| 390 | EPHYR_LOG("string: %s\n", server_string); |
| 391 | length = strlen(server_string) + 1; |
| 392 | reply = (xGLXQueryServerStringReply) { |
| 393 | .type = X_Reply, |
| 394 | .sequenceNumber = client->sequence, |
| 395 | .length = __GLX_PAD(length) >> 2, |
| 396 | .n = length |
| 397 | }; |
| 398 | |
| 399 | WriteToClient(client, sz_xGLXQueryServerStringReply, &reply); |
| 400 | WriteToClient(client, (int) (reply.length << 2), server_string); |
| 401 | |
| 402 | res = Success; |
| 403 | |
| 404 | out: |
| 405 | EPHYR_LOG("leave\n"); |
| 406 | free(server_string); |
| 407 | server_string = NULL; |
| 408 | |
| 409 | return res; |
| 410 | } |
| 411 | |
| 412 | int |
| 413 | ephyrGLXQueryServerStringSwap(__GLXclientState * a_cl, GLbyte * a_pc) |
| 414 | { |
| 415 | EPHYR_LOG_ERROR("not yet implemented\n"); |
| 416 | return BadImplementation; |
| 417 | } |
| 418 | |
| 419 | int |
| 420 | ephyrGLXGetFBConfigsSGIX(__GLXclientState * a_cl, GLbyte * a_pc) |
| 421 | { |
| 422 | return ephyrGLXGetFBConfigsSGIXReal(a_cl, a_pc, FALSE); |
| 423 | } |
| 424 | |
| 425 | int |
| 426 | ephyrGLXGetFBConfigsSGIXSwap(__GLXclientState * a_cl, GLbyte * a_pc) |
| 427 | { |
| 428 | return ephyrGLXGetFBConfigsSGIXReal(a_cl, a_pc, TRUE); |
| 429 | } |
| 430 | |
| 431 | static int |
| 432 | ephyrGLXCreateContextReal(xGLXCreateContextReq * a_req, Bool a_do_swap) |
| 433 | { |
| 434 | int res = BadImplementation; |
| 435 | EphyrHostWindowAttributes host_w_attrs; |
| 436 | |
| 437 | __GLX_DECLARE_SWAP_VARIABLES; |
| 438 | |
| 439 | EPHYR_RETURN_VAL_IF_FAIL(a_req, BadValue); |
| 440 | EPHYR_LOG("enter\n"); |
| 441 | |
| 442 | if (a_do_swap) { |
| 443 | __GLX_SWAP_SHORT(&a_req->length); |
| 444 | __GLX_SWAP_INT(&a_req->context); |
| 445 | __GLX_SWAP_INT(&a_req->visual); |
| 446 | __GLX_SWAP_INT(&a_req->screen); |
| 447 | __GLX_SWAP_INT(&a_req->shareList); |
| 448 | } |
| 449 | |
| 450 | EPHYR_LOG("context creation requested. localid:%d, " |
| 451 | "screen:%d, visual:%d, direct:%d\n", |
| 452 | (int) a_req->context, (int) a_req->screen, |
| 453 | (int) a_req->visual, (int) a_req->isDirect); |
| 454 | |
| 455 | memset(&host_w_attrs, 0, sizeof(host_w_attrs)); |
| 456 | if (!hostx_get_window_attributes(hostx_get_window(a_req->screen), |
| 457 | &host_w_attrs)) { |
| 458 | EPHYR_LOG_ERROR("failed to get host window attrs\n"); |
| 459 | goto out; |
| 460 | } |
| 461 | |
| 462 | EPHYR_LOG("host window visual id: %d\n", host_w_attrs.visualid); |
| 463 | |
| 464 | if (!ephyrHostGLXCreateContext(a_req->screen, |
| 465 | host_w_attrs.visualid, |
| 466 | a_req->context, |
| 467 | a_req->shareList, 0, |
| 468 | a_req->isDirect, X_GLXCreateContext)) { |
| 469 | EPHYR_LOG_ERROR("ephyrHostGLXCreateContext() failed\n"); |
| 470 | goto out; |
| 471 | } |
| 472 | res = Success; |
| 473 | out: |
| 474 | EPHYR_LOG("leave\n"); |
| 475 | return res; |
| 476 | } |
| 477 | |
| 478 | static int |
| 479 | ephyrGLXCreateNewContextReal(xGLXCreateNewContextReq * a_req, Bool a_do_swap) |
| 480 | { |
| 481 | int res = BadImplementation; |
| 482 | |
| 483 | __GLX_DECLARE_SWAP_VARIABLES; |
| 484 | |
| 485 | EPHYR_RETURN_VAL_IF_FAIL(a_req, BadValue); |
| 486 | EPHYR_LOG("enter\n"); |
| 487 | |
| 488 | if (a_do_swap) { |
| 489 | __GLX_SWAP_SHORT(&a_req->length); |
| 490 | __GLX_SWAP_INT(&a_req->context); |
| 491 | __GLX_SWAP_INT(&a_req->fbconfig); |
| 492 | __GLX_SWAP_INT(&a_req->screen); |
| 493 | __GLX_SWAP_INT(&a_req->renderType); |
| 494 | __GLX_SWAP_INT(&a_req->shareList); |
| 495 | } |
| 496 | |
| 497 | EPHYR_LOG("context creation requested. localid:%d, " |
| 498 | "screen:%d, fbconfig:%d, renderType:%d, direct:%d\n", |
| 499 | (int) a_req->context, (int) a_req->screen, |
| 500 | (int) a_req->fbconfig, (int) a_req->renderType, |
| 501 | (int) a_req->isDirect); |
| 502 | |
| 503 | if (!ephyrHostGLXCreateContext(a_req->screen, |
| 504 | a_req->fbconfig, |
| 505 | a_req->context, |
| 506 | a_req->shareList, a_req->renderType, |
| 507 | a_req->isDirect, X_GLXCreateNewContext)) { |
| 508 | EPHYR_LOG_ERROR("ephyrHostGLXCreateNewContext() failed\n"); |
| 509 | goto out; |
| 510 | } |
| 511 | res = Success; |
| 512 | out: |
| 513 | EPHYR_LOG("leave\n"); |
| 514 | return res; |
| 515 | } |
| 516 | |
| 517 | int |
| 518 | ephyrGLXCreateContext(__GLXclientState * cl, GLbyte * pc) |
| 519 | { |
| 520 | xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc; |
| 521 | |
| 522 | return ephyrGLXCreateContextReal(req, FALSE); |
| 523 | } |
| 524 | |
| 525 | int |
| 526 | ephyrGLXCreateContextSwap(__GLXclientState * cl, GLbyte * pc) |
| 527 | { |
| 528 | xGLXCreateContextReq *req = (xGLXCreateContextReq *) pc; |
| 529 | |
| 530 | return ephyrGLXCreateContextReal(req, TRUE); |
| 531 | } |
| 532 | |
| 533 | int |
| 534 | ephyrGLXCreateNewContext(__GLXclientState * cl, GLbyte * pc) |
| 535 | { |
| 536 | xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc; |
| 537 | |
| 538 | return ephyrGLXCreateNewContextReal(req, FALSE); |
| 539 | } |
| 540 | |
| 541 | int |
| 542 | ephyrGLXCreateNewContextSwap(__GLXclientState * cl, GLbyte * pc) |
| 543 | { |
| 544 | xGLXCreateNewContextReq *req = (xGLXCreateNewContextReq *) pc; |
| 545 | |
| 546 | return ephyrGLXCreateNewContextReal(req, TRUE); |
| 547 | } |
| 548 | |
| 549 | static int |
| 550 | ephyrGLXDestroyContextReal(__GLXclientState * a_cl, |
| 551 | GLbyte * a_pc, Bool a_do_swap) |
| 552 | { |
| 553 | int res = BadImplementation; |
| 554 | ClientPtr client = a_cl->client; |
| 555 | xGLXDestroyContextReq *req = (xGLXDestroyContextReq *) a_pc; |
| 556 | |
| 557 | EPHYR_LOG("enter. id:%d\n", (int) req->context); |
| 558 | if (!ephyrHostDestroyContext(req->context)) { |
| 559 | EPHYR_LOG_ERROR("ephyrHostDestroyContext() failed\n"); |
| 560 | client->errorValue = req->context; |
| 561 | goto out; |
| 562 | } |
| 563 | res = Success; |
| 564 | |
| 565 | out: |
| 566 | EPHYR_LOG("leave\n"); |
| 567 | return res; |
| 568 | } |
| 569 | |
| 570 | int |
| 571 | ephyrGLXDestroyContext(__GLXclientState * a_cl, GLbyte * a_pc) |
| 572 | { |
| 573 | return ephyrGLXDestroyContextReal(a_cl, a_pc, FALSE); |
| 574 | } |
| 575 | |
| 576 | int |
| 577 | ephyrGLXDestroyContextSwap(__GLXclientState * a_cl, GLbyte * a_pc) |
| 578 | { |
| 579 | return ephyrGLXDestroyContextReal(a_cl, a_pc, TRUE); |
| 580 | } |
| 581 | |
| 582 | static int |
| 583 | ephyrGLXMakeCurrentReal(__GLXclientState * a_cl, GLXDrawable write, |
| 584 | GLXDrawable read, GLXContextTag ctx, |
| 585 | GLXContextTag old_ctx, Bool a_do_swap) |
| 586 | { |
| 587 | int res = BadImplementation; |
| 588 | xGLXMakeCurrentReply reply; |
| 589 | DrawablePtr drawableR = NULL, drawableW = NULL; |
| 590 | GLXContextTag new_ctx = 0; |
| 591 | |
| 592 | EPHYR_LOG("enter\n"); |
| 593 | res = dixLookupDrawable(&drawableW, write, a_cl->client, 0, DixReadAccess); |
| 594 | EPHYR_RETURN_VAL_IF_FAIL(drawableW, BadValue); |
| 595 | EPHYR_RETURN_VAL_IF_FAIL(drawableW->pScreen, BadValue); |
| 596 | EPHYR_LOG("screen nummber requested:%d\n", drawableW->pScreen->myNum); |
| 597 | |
| 598 | if (read != write) { |
| 599 | res = dixLookupDrawable(&drawableR, read, a_cl->client, 0, |
| 600 | DixReadAccess); |
| 601 | EPHYR_RETURN_VAL_IF_FAIL(drawableR, BadValue); |
| 602 | EPHYR_RETURN_VAL_IF_FAIL(drawableR->pScreen, BadValue); |
| 603 | } |
| 604 | else { |
| 605 | drawableR = drawableW; |
| 606 | } |
| 607 | |
| 608 | if (!ephyrHostGLXMakeCurrent(hostx_get_window(drawableW->pScreen->myNum), |
| 609 | hostx_get_window(drawableR->pScreen->myNum), |
| 610 | ctx, old_ctx, (int *) &new_ctx)) { |
| 611 | EPHYR_LOG_ERROR("ephyrHostGLXMakeCurrent() failed\n"); |
| 612 | goto out; |
| 613 | } |
| 614 | reply = (xGLXMakeCurrentReply) { |
| 615 | .type = X_Reply, |
| 616 | .sequenceNumber = a_cl->client->sequence, |
| 617 | .length = 0, |
| 618 | .contextTag = new_ctx |
| 619 | }; |
| 620 | if (a_do_swap) { |
| 621 | __GLX_DECLARE_SWAP_VARIABLES; |
| 622 | __GLX_SWAP_SHORT(&reply.sequenceNumber); |
| 623 | __GLX_SWAP_INT(&reply.length); |
| 624 | __GLX_SWAP_INT(&reply.contextTag); |
| 625 | } |
| 626 | WriteToClient(a_cl->client, sz_xGLXMakeCurrentReply, &reply); |
| 627 | |
| 628 | res = Success; |
| 629 | out: |
| 630 | EPHYR_LOG("leave\n"); |
| 631 | return res; |
| 632 | } |
| 633 | |
| 634 | int |
| 635 | ephyrGLXMakeCurrent(__GLXclientState * a_cl, GLbyte * a_pc) |
| 636 | { |
| 637 | xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) a_pc; |
| 638 | return ephyrGLXMakeCurrentReal(a_cl, req->drawable, req->drawable, |
| 639 | req->context, req->oldContextTag, FALSE); |
| 640 | } |
| 641 | |
| 642 | int |
| 643 | ephyrGLXMakeCurrentSwap(__GLXclientState * a_cl, GLbyte * a_pc) |
| 644 | { |
| 645 | xGLXMakeCurrentReq *req = (xGLXMakeCurrentReq *) a_pc; |
| 646 | __GLX_DECLARE_SWAP_VARIABLES; |
| 647 | |
| 648 | __GLX_SWAP_INT(&req->drawable); |
| 649 | __GLX_SWAP_INT(&req->context); |
| 650 | __GLX_SWAP_INT(&req->oldContextTag); |
| 651 | |
| 652 | return ephyrGLXMakeCurrentReal(a_cl, req->drawable, req->drawable, |
| 653 | req->context, req->oldContextTag, TRUE); |
| 654 | } |
| 655 | |
| 656 | int |
| 657 | ephyrGLXMakeCurrentReadSGI(__GLXclientState * a_cl, GLbyte * a_pc) |
| 658 | { |
| 659 | xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) a_pc; |
| 660 | |
| 661 | return ephyrGLXMakeCurrentReal(a_cl, req->drawable, req->readable, |
| 662 | req->context, req->oldContextTag, FALSE); |
| 663 | } |
| 664 | |
| 665 | int |
| 666 | ephyrGLXMakeCurrentReadSGISwap(__GLXclientState * a_cl, GLbyte * a_pc) |
| 667 | { |
| 668 | xGLXMakeCurrentReadSGIReq *req = (xGLXMakeCurrentReadSGIReq *) a_pc; |
| 669 | __GLX_DECLARE_SWAP_VARIABLES; |
| 670 | |
| 671 | __GLX_SWAP_INT(&req->drawable); |
| 672 | __GLX_SWAP_INT(&req->readable); |
| 673 | __GLX_SWAP_INT(&req->context); |
| 674 | __GLX_SWAP_INT(&req->oldContextTag); |
| 675 | |
| 676 | return ephyrGLXMakeCurrentReal(a_cl, req->drawable, req->readable, |
| 677 | req->context, req->oldContextTag, TRUE); |
| 678 | } |
| 679 | |
| 680 | int |
| 681 | ephyrGLXMakeContextCurrent(__GLXclientState * a_cl, GLbyte * a_pc) |
| 682 | { |
| 683 | xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) a_pc; |
| 684 | |
| 685 | return ephyrGLXMakeCurrentReal(a_cl, req->drawable, req->readdrawable, |
| 686 | req->context, req->oldContextTag, FALSE); |
| 687 | } |
| 688 | |
| 689 | int |
| 690 | ephyrGLXMakeContextCurrentSwap(__GLXclientState * a_cl, GLbyte * a_pc) |
| 691 | { |
| 692 | xGLXMakeContextCurrentReq *req = (xGLXMakeContextCurrentReq *) a_pc; |
| 693 | __GLX_DECLARE_SWAP_VARIABLES; |
| 694 | |
| 695 | __GLX_SWAP_INT(&req->drawable); |
| 696 | __GLX_SWAP_INT(&req->readdrawable); |
| 697 | __GLX_SWAP_INT(&req->context); |
| 698 | __GLX_SWAP_INT(&req->oldContextTag); |
| 699 | |
| 700 | return ephyrGLXMakeCurrentReal(a_cl, req->drawable, req->readdrawable, |
| 701 | req->context, req->oldContextTag, TRUE); |
| 702 | } |
| 703 | |
| 704 | static int |
| 705 | ephyrGLXGetStringReal(__GLXclientState * a_cl, GLbyte * a_pc, Bool a_do_swap) |
| 706 | { |
| 707 | ClientPtr client = NULL; |
| 708 | int context_tag = 0, name = 0, res = BadImplementation, length = 0; |
| 709 | char *string = NULL; |
| 710 | |
| 711 | __GLX_DECLARE_SWAP_VARIABLES; |
| 712 | |
| 713 | EPHYR_RETURN_VAL_IF_FAIL(a_cl && a_pc, BadValue); |
| 714 | |
| 715 | EPHYR_LOG("enter\n"); |
| 716 | |
| 717 | client = a_cl->client; |
| 718 | |
| 719 | if (a_do_swap) { |
| 720 | __GLX_SWAP_INT(a_pc + 4); |
| 721 | __GLX_SWAP_INT(a_pc + __GLX_SINGLE_HDR_SIZE); |
| 722 | } |
| 723 | context_tag = __GLX_GET_SINGLE_CONTEXT_TAG(a_pc); |
| 724 | a_pc += __GLX_SINGLE_HDR_SIZE; |
| 725 | name = *(GLenum *) (a_pc + 0); |
| 726 | EPHYR_LOG("context_tag:%d, name:%d\n", context_tag, name); |
| 727 | if (!ephyrHostGLXGetString(context_tag, name, &string)) { |
| 728 | EPHYR_LOG_ERROR("failed to get string from server\n"); |
| 729 | goto out; |
| 730 | } |
| 731 | if (string) { |
| 732 | length = strlen(string) + 1; |
| 733 | EPHYR_LOG("got string:'%s', size:%d\n", string, length); |
| 734 | } |
| 735 | else { |
| 736 | EPHYR_LOG("got string: string (null)\n"); |
| 737 | } |
| 738 | __GLX_BEGIN_REPLY(length); |
| 739 | __GLX_PUT_SIZE(length); |
| 740 | __GLX_SEND_HEADER(); |
| 741 | if (a_do_swap) { |
| 742 | __GLX_SWAP_REPLY_SIZE(); |
| 743 | __GLX_SWAP_REPLY_HEADER(); |
| 744 | } |
| 745 | WriteToClient(client, length, string); |
| 746 | |
| 747 | res = Success; |
| 748 | out: |
| 749 | EPHYR_LOG("leave\n"); |
| 750 | return res; |
| 751 | } |
| 752 | |
| 753 | int |
| 754 | ephyrGLXGetString(__GLXclientState * a_cl, GLbyte * a_pc) |
| 755 | { |
| 756 | return ephyrGLXGetStringReal(a_cl, a_pc, FALSE); |
| 757 | } |
| 758 | |
| 759 | int |
| 760 | ephyrGLXGetStringSwap(__GLXclientState * a_cl, GLbyte * a_pc) |
| 761 | { |
| 762 | return ephyrGLXGetStringReal(a_cl, a_pc, TRUE); |
| 763 | } |
| 764 | |
| 765 | static int |
| 766 | ephyrGLXGetIntegervReal(__GLXclientState * a_cl, GLbyte * a_pc, Bool a_do_swap) |
| 767 | { |
| 768 | int res = BadImplementation; |
| 769 | xGLXSingleReq *const req = (xGLXSingleReq *) a_pc; |
| 770 | GLenum int_name; |
| 771 | int value = 0; |
| 772 | GLint answer_buf_room[200]; |
| 773 | GLint *buf = NULL; |
| 774 | |
| 775 | EPHYR_LOG("enter\n"); |
| 776 | |
| 777 | a_pc += __GLX_SINGLE_HDR_SIZE; |
| 778 | |
| 779 | int_name = *(GLenum *) (a_pc + 0); |
| 780 | if (!ephyrHostGetIntegerValue(req->contextTag, int_name, &value)) { |
| 781 | EPHYR_LOG_ERROR("ephyrHostGetIntegerValue() failed\n"); |
| 782 | goto out; |
| 783 | } |
| 784 | buf = __glXGetAnswerBuffer(a_cl, sizeof(value), |
| 785 | answer_buf_room, sizeof(answer_buf_room), 4); |
| 786 | |
| 787 | if (!buf) { |
| 788 | EPHYR_LOG_ERROR("failed to allocate reply buffer\n"); |
| 789 | res = BadAlloc; |
| 790 | goto out; |
| 791 | } |
| 792 | __glXSendReply(a_cl->client, buf, 1, sizeof(value), GL_FALSE, 0); |
| 793 | res = Success; |
| 794 | |
| 795 | out: |
| 796 | EPHYR_LOG("leave\n"); |
| 797 | return res; |
| 798 | } |
| 799 | |
| 800 | int |
| 801 | ephyrGLXGetIntegerv(__GLXclientState * a_cl, GLbyte * a_pc) |
| 802 | { |
| 803 | return ephyrGLXGetIntegervReal(a_cl, a_pc, FALSE); |
| 804 | } |
| 805 | |
| 806 | int |
| 807 | ephyrGLXGetIntegervSwap(__GLXclientState * a_cl, GLbyte * a_pc) |
| 808 | { |
| 809 | return ephyrGLXGetIntegervReal(a_cl, a_pc, TRUE); |
| 810 | } |
| 811 | |
| 812 | static int |
| 813 | ephyrGLXIsDirectReal(__GLXclientState * a_cl, GLbyte * a_pc, Bool a_do_swap) |
| 814 | { |
| 815 | int res = BadImplementation; |
| 816 | ClientPtr client = a_cl->client; |
| 817 | xGLXIsDirectReq *req = (xGLXIsDirectReq *) a_pc; |
| 818 | xGLXIsDirectReply reply; |
| 819 | int is_direct = 0; |
| 820 | |
| 821 | EPHYR_RETURN_VAL_IF_FAIL(a_cl && a_pc, FALSE); |
| 822 | |
| 823 | EPHYR_LOG("enter\n"); |
| 824 | |
| 825 | if (!ephyrHostIsContextDirect(req->context, (int *) &is_direct)) { |
| 826 | EPHYR_LOG_ERROR("ephyrHostIsContextDirect() failed\n"); |
| 827 | goto out; |
| 828 | } |
| 829 | reply = (xGLXIsDirectReply) { |
| 830 | .type = X_Reply, |
| 831 | .sequenceNumber = client->sequence, |
| 832 | .length = 0, |
| 833 | .isDirect = is_direct |
| 834 | }; |
| 835 | |
| 836 | WriteToClient(client, sz_xGLXIsDirectReply, &reply); |
| 837 | res = Success; |
| 838 | |
| 839 | out: |
| 840 | EPHYR_LOG("leave\n"); |
| 841 | return res; |
| 842 | } |
| 843 | |
| 844 | int |
| 845 | ephyrGLXIsDirect(__GLXclientState * a_cl, GLbyte * a_pc) |
| 846 | { |
| 847 | return ephyrGLXIsDirectReal(a_cl, a_pc, FALSE); |
| 848 | } |
| 849 | |
| 850 | int |
| 851 | ephyrGLXIsDirectSwap(__GLXclientState * a_cl, GLbyte * a_pc) |
| 852 | { |
| 853 | return ephyrGLXIsDirectReal(a_cl, a_pc, TRUE); |
| 854 | } |