| 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 | * This file is heavily copied from hw/xfree86/dri/xf86dri.c |
| 26 | * |
| 27 | * Authors: |
| 28 | * Dodji Seketeli <dodji@openedhand.com> |
| 29 | */ |
| 30 | |
| 31 | #ifdef HAVE_CONFIG_H |
| 32 | #include <kdrive-config.h> |
| 33 | #endif |
| 34 | |
| 35 | #include <string.h> |
| 36 | |
| 37 | #include <X11/X.h> |
| 38 | #include <X11/Xproto.h> |
| 39 | #define _XF86DRI_SERVER_ |
| 40 | #include <X11/dri/xf86dri.h> |
| 41 | #include <X11/dri/xf86driproto.h> |
| 42 | #include <xcb/xcb.h> |
| 43 | #include <xcb/shape.h> |
| 44 | #include <xcb/xf86dri.h> |
| 45 | #include "misc.h" |
| 46 | #include "privates.h" |
| 47 | #include "dixstruct.h" |
| 48 | #include "extnsionst.h" |
| 49 | #include "colormapst.h" |
| 50 | #include "cursorstr.h" |
| 51 | #include "scrnintstr.h" |
| 52 | #include "windowstr.h" |
| 53 | #include "servermd.h" |
| 54 | #include "swaprep.h" |
| 55 | #include "ephyrdri.h" |
| 56 | #include "ephyrdriext.h" |
| 57 | #include "hostx.h" |
| 58 | #define _HAVE_XALLOC_DECLS |
| 59 | #include "ephyrlog.h" |
| 60 | #include "protocol-versions.h" |
| 61 | |
| 62 | typedef struct { |
| 63 | int foo; |
| 64 | } EphyrDRIWindowPrivRec; |
| 65 | typedef EphyrDRIWindowPrivRec *EphyrDRIWindowPrivPtr; |
| 66 | |
| 67 | typedef struct { |
| 68 | CreateWindowProcPtr CreateWindow; |
| 69 | DestroyWindowProcPtr DestroyWindow; |
| 70 | MoveWindowProcPtr MoveWindow; |
| 71 | PositionWindowProcPtr PositionWindow; |
| 72 | ClipNotifyProcPtr ClipNotify; |
| 73 | } EphyrDRIScreenPrivRec; |
| 74 | typedef EphyrDRIScreenPrivRec *EphyrDRIScreenPrivPtr; |
| 75 | |
| 76 | static int DRIErrorBase; |
| 77 | |
| 78 | static Bool ephyrDRIScreenInit(ScreenPtr a_screen); |
| 79 | static Bool ephyrDRICreateWindow(WindowPtr a_win); |
| 80 | static Bool ephyrDRIDestroyWindow(WindowPtr a_win); |
| 81 | static void ephyrDRIMoveWindow(WindowPtr a_win, |
| 82 | int a_x, int a_y, |
| 83 | WindowPtr a_siblings, VTKind a_kind); |
| 84 | static Bool ephyrDRIPositionWindow(WindowPtr a_win, int x, int y); |
| 85 | static void ephyrDRIClipNotify(WindowPtr a_win, int a_x, int a_y); |
| 86 | |
| 87 | static Bool EphyrMirrorHostVisuals(ScreenPtr a_screen); |
| 88 | static Bool destroyHostPeerWindow(const WindowPtr a_win); |
| 89 | static Bool findWindowPairFromLocal(WindowPtr a_local, |
| 90 | EphyrWindowPair ** a_pair); |
| 91 | |
| 92 | static unsigned char DRIReqCode = 0; |
| 93 | |
| 94 | static DevPrivateKeyRec ephyrDRIWindowKeyRec; |
| 95 | |
| 96 | #define ephyrDRIWindowKey (&ephyrDRIWindowKeyRec) |
| 97 | static DevPrivateKeyRec ephyrDRIScreenKeyRec; |
| 98 | |
| 99 | #define ephyrDRIScreenKey (&ephyrDRIScreenKeyRec) |
| 100 | |
| 101 | #define GET_EPHYR_DRI_WINDOW_PRIV(win) ((EphyrDRIWindowPrivPtr) \ |
| 102 | dixLookupPrivate(&(win)->devPrivates, ephyrDRIWindowKey)) |
| 103 | #define GET_EPHYR_DRI_SCREEN_PRIV(screen) ((EphyrDRIScreenPrivPtr) \ |
| 104 | dixLookupPrivate(&(screen)->devPrivates, ephyrDRIScreenKey)) |
| 105 | |
| 106 | static Bool |
| 107 | ephyrDRIScreenInit(ScreenPtr a_screen) |
| 108 | { |
| 109 | Bool is_ok = FALSE; |
| 110 | EphyrDRIScreenPrivPtr screen_priv = NULL; |
| 111 | |
| 112 | EPHYR_RETURN_VAL_IF_FAIL(a_screen, FALSE); |
| 113 | |
| 114 | screen_priv = GET_EPHYR_DRI_SCREEN_PRIV(a_screen); |
| 115 | EPHYR_RETURN_VAL_IF_FAIL(screen_priv, FALSE); |
| 116 | |
| 117 | screen_priv->CreateWindow = a_screen->CreateWindow; |
| 118 | screen_priv->DestroyWindow = a_screen->DestroyWindow; |
| 119 | screen_priv->MoveWindow = a_screen->MoveWindow; |
| 120 | screen_priv->PositionWindow = a_screen->PositionWindow; |
| 121 | screen_priv->ClipNotify = a_screen->ClipNotify; |
| 122 | |
| 123 | a_screen->CreateWindow = ephyrDRICreateWindow; |
| 124 | a_screen->DestroyWindow = ephyrDRIDestroyWindow; |
| 125 | a_screen->MoveWindow = ephyrDRIMoveWindow; |
| 126 | a_screen->PositionWindow = ephyrDRIPositionWindow; |
| 127 | a_screen->ClipNotify = ephyrDRIClipNotify; |
| 128 | |
| 129 | is_ok = TRUE; |
| 130 | |
| 131 | return is_ok; |
| 132 | } |
| 133 | |
| 134 | static Bool |
| 135 | ephyrDRICreateWindow(WindowPtr a_win) |
| 136 | { |
| 137 | Bool is_ok = FALSE; |
| 138 | ScreenPtr screen = NULL; |
| 139 | EphyrDRIScreenPrivPtr screen_priv = NULL; |
| 140 | |
| 141 | EPHYR_RETURN_VAL_IF_FAIL(a_win, FALSE); |
| 142 | screen = a_win->drawable.pScreen; |
| 143 | EPHYR_RETURN_VAL_IF_FAIL(screen, FALSE); |
| 144 | screen_priv = GET_EPHYR_DRI_SCREEN_PRIV(screen); |
| 145 | EPHYR_RETURN_VAL_IF_FAIL(screen_priv && screen_priv->CreateWindow, FALSE); |
| 146 | |
| 147 | EPHYR_LOG("enter. win:%p\n", a_win); |
| 148 | |
| 149 | screen->CreateWindow = screen_priv->CreateWindow; |
| 150 | is_ok = (*screen->CreateWindow) (a_win); |
| 151 | screen->CreateWindow = ephyrDRICreateWindow; |
| 152 | |
| 153 | if (is_ok) { |
| 154 | dixSetPrivate(&a_win->devPrivates, ephyrDRIWindowKey, NULL); |
| 155 | } |
| 156 | return is_ok; |
| 157 | } |
| 158 | |
| 159 | static Bool |
| 160 | ephyrDRIDestroyWindow(WindowPtr a_win) |
| 161 | { |
| 162 | Bool is_ok = FALSE; |
| 163 | ScreenPtr screen = NULL; |
| 164 | EphyrDRIScreenPrivPtr screen_priv = NULL; |
| 165 | |
| 166 | EPHYR_RETURN_VAL_IF_FAIL(a_win, FALSE); |
| 167 | screen = a_win->drawable.pScreen; |
| 168 | EPHYR_RETURN_VAL_IF_FAIL(screen, FALSE); |
| 169 | screen_priv = GET_EPHYR_DRI_SCREEN_PRIV(screen); |
| 170 | EPHYR_RETURN_VAL_IF_FAIL(screen_priv && screen_priv->DestroyWindow, FALSE); |
| 171 | |
| 172 | screen->DestroyWindow = screen_priv->DestroyWindow; |
| 173 | if (screen->DestroyWindow) { |
| 174 | is_ok = (*screen->DestroyWindow) (a_win); |
| 175 | } |
| 176 | screen->DestroyWindow = ephyrDRIDestroyWindow; |
| 177 | |
| 178 | if (is_ok) { |
| 179 | EphyrDRIWindowPrivPtr win_priv = GET_EPHYR_DRI_WINDOW_PRIV(a_win); |
| 180 | |
| 181 | if (win_priv) { |
| 182 | destroyHostPeerWindow(a_win); |
| 183 | free(win_priv); |
| 184 | dixSetPrivate(&a_win->devPrivates, ephyrDRIWindowKey, NULL); |
| 185 | EPHYR_LOG("destroyed the remote peer window\n"); |
| 186 | } |
| 187 | } |
| 188 | return is_ok; |
| 189 | } |
| 190 | |
| 191 | static void |
| 192 | ephyrDRIMoveWindow(WindowPtr a_win, |
| 193 | int a_x, int a_y, WindowPtr a_siblings, VTKind a_kind) |
| 194 | { |
| 195 | ScreenPtr screen = NULL; |
| 196 | EphyrDRIScreenPrivPtr screen_priv = NULL; |
| 197 | EphyrDRIWindowPrivPtr win_priv = NULL; |
| 198 | EphyrWindowPair *pair = NULL; |
| 199 | EphyrBox geo; |
| 200 | int x = 0, y = 0; /*coords relative to parent window */ |
| 201 | |
| 202 | EPHYR_RETURN_IF_FAIL(a_win); |
| 203 | |
| 204 | EPHYR_LOG("enter\n"); |
| 205 | screen = a_win->drawable.pScreen; |
| 206 | EPHYR_RETURN_IF_FAIL(screen); |
| 207 | screen_priv = GET_EPHYR_DRI_SCREEN_PRIV(screen); |
| 208 | EPHYR_RETURN_IF_FAIL(screen_priv && screen_priv->MoveWindow); |
| 209 | |
| 210 | screen->MoveWindow = screen_priv->MoveWindow; |
| 211 | if (screen->MoveWindow) { |
| 212 | (*screen->MoveWindow) (a_win, a_x, a_y, a_siblings, a_kind); |
| 213 | } |
| 214 | screen->MoveWindow = ephyrDRIMoveWindow; |
| 215 | |
| 216 | EPHYR_LOG("window: %p\n", a_win); |
| 217 | if (!a_win->parent) { |
| 218 | EPHYR_LOG("cannot move root window\n"); |
| 219 | return; |
| 220 | } |
| 221 | win_priv = GET_EPHYR_DRI_WINDOW_PRIV(a_win); |
| 222 | if (!win_priv) { |
| 223 | EPHYR_LOG("not a DRI peered window\n"); |
| 224 | return; |
| 225 | } |
| 226 | if (!findWindowPairFromLocal(a_win, &pair) || !pair) { |
| 227 | EPHYR_LOG_ERROR("failed to get window pair\n"); |
| 228 | return; |
| 229 | } |
| 230 | /*compute position relative to parent window */ |
| 231 | x = a_win->drawable.x - a_win->parent->drawable.x; |
| 232 | y = a_win->drawable.y - a_win->parent->drawable.y; |
| 233 | /*set the geometry to pass to hostx_set_window_geometry */ |
| 234 | memset(&geo, 0, sizeof(geo)); |
| 235 | geo.x = x; |
| 236 | geo.y = y; |
| 237 | geo.width = a_win->drawable.width; |
| 238 | geo.height = a_win->drawable.height; |
| 239 | hostx_set_window_geometry(pair->remote, &geo); |
| 240 | } |
| 241 | |
| 242 | static Bool |
| 243 | ephyrDRIPositionWindow(WindowPtr a_win, int a_x, int a_y) |
| 244 | { |
| 245 | Bool is_ok = FALSE; |
| 246 | ScreenPtr screen = NULL; |
| 247 | EphyrDRIScreenPrivPtr screen_priv = NULL; |
| 248 | EphyrDRIWindowPrivPtr win_priv = NULL; |
| 249 | EphyrWindowPair *pair = NULL; |
| 250 | EphyrBox geo; |
| 251 | |
| 252 | EPHYR_RETURN_VAL_IF_FAIL(a_win, FALSE); |
| 253 | |
| 254 | EPHYR_LOG("enter\n"); |
| 255 | screen = a_win->drawable.pScreen; |
| 256 | EPHYR_RETURN_VAL_IF_FAIL(screen, FALSE); |
| 257 | screen_priv = GET_EPHYR_DRI_SCREEN_PRIV(screen); |
| 258 | EPHYR_RETURN_VAL_IF_FAIL(screen_priv && screen_priv->PositionWindow, FALSE); |
| 259 | |
| 260 | screen->PositionWindow = screen_priv->PositionWindow; |
| 261 | if (screen->PositionWindow) { |
| 262 | (*screen->PositionWindow) (a_win, a_x, a_y); |
| 263 | } |
| 264 | screen->PositionWindow = ephyrDRIPositionWindow; |
| 265 | |
| 266 | EPHYR_LOG("window: %p\n", a_win); |
| 267 | win_priv = GET_EPHYR_DRI_WINDOW_PRIV(a_win); |
| 268 | if (!win_priv) { |
| 269 | EPHYR_LOG("not a DRI peered window\n"); |
| 270 | is_ok = TRUE; |
| 271 | goto out; |
| 272 | } |
| 273 | if (!findWindowPairFromLocal(a_win, &pair) || !pair) { |
| 274 | EPHYR_LOG_ERROR("failed to get window pair\n"); |
| 275 | goto out; |
| 276 | } |
| 277 | /*set the geometry to pass to hostx_set_window_geometry */ |
| 278 | memset(&geo, 0, sizeof(geo)); |
| 279 | geo.x = a_x; |
| 280 | geo.y = a_y; |
| 281 | geo.width = a_win->drawable.width; |
| 282 | geo.height = a_win->drawable.height; |
| 283 | hostx_set_window_geometry(pair->remote, &geo); |
| 284 | is_ok = TRUE; |
| 285 | |
| 286 | out: |
| 287 | EPHYR_LOG("leave. is_ok:%d\n", is_ok); |
| 288 | /*do cleanup here */ |
| 289 | return is_ok; |
| 290 | } |
| 291 | |
| 292 | static void |
| 293 | ephyrDRIClipNotify(WindowPtr a_win, int a_x, int a_y) |
| 294 | { |
| 295 | ScreenPtr screen = NULL; |
| 296 | EphyrDRIScreenPrivPtr screen_priv = NULL; |
| 297 | EphyrDRIWindowPrivPtr win_priv = NULL; |
| 298 | EphyrWindowPair *pair = NULL; |
| 299 | EphyrRect *rects = NULL; |
| 300 | int i = 0; |
| 301 | |
| 302 | EPHYR_RETURN_IF_FAIL(a_win); |
| 303 | |
| 304 | EPHYR_LOG("enter\n"); |
| 305 | screen = a_win->drawable.pScreen; |
| 306 | EPHYR_RETURN_IF_FAIL(screen); |
| 307 | screen_priv = GET_EPHYR_DRI_SCREEN_PRIV(screen); |
| 308 | EPHYR_RETURN_IF_FAIL(screen_priv && screen_priv->ClipNotify); |
| 309 | |
| 310 | screen->ClipNotify = screen_priv->ClipNotify; |
| 311 | if (screen->ClipNotify) { |
| 312 | (*screen->ClipNotify) (a_win, a_x, a_y); |
| 313 | } |
| 314 | screen->ClipNotify = ephyrDRIClipNotify; |
| 315 | |
| 316 | EPHYR_LOG("window: %p\n", a_win); |
| 317 | win_priv = GET_EPHYR_DRI_WINDOW_PRIV(a_win); |
| 318 | if (!win_priv) { |
| 319 | EPHYR_LOG("not a DRI peered window\n"); |
| 320 | goto out; |
| 321 | } |
| 322 | if (!findWindowPairFromLocal(a_win, &pair) || !pair) { |
| 323 | EPHYR_LOG_ERROR("failed to get window pair\n"); |
| 324 | goto out; |
| 325 | } |
| 326 | rects = calloc(RegionNumRects(&a_win->clipList), sizeof(EphyrRect)); |
| 327 | for (i = 0; i < RegionNumRects(&a_win->clipList); i++) { |
| 328 | memmove(&rects[i], |
| 329 | &RegionRects(&a_win->clipList)[i], sizeof(EphyrRect)); |
| 330 | rects[i].x1 -= a_win->drawable.x; |
| 331 | rects[i].x2 -= a_win->drawable.x; |
| 332 | rects[i].y1 -= a_win->drawable.y; |
| 333 | rects[i].y2 -= a_win->drawable.y; |
| 334 | } |
| 335 | /* |
| 336 | * push the clipping region of this window |
| 337 | * to the peer window in the host |
| 338 | */ |
| 339 | hostx_set_window_bounding_rectangles |
| 340 | (pair->remote, rects, RegionNumRects(&a_win->clipList)); |
| 341 | |
| 342 | out: |
| 343 | free(rects); |
| 344 | rects = NULL; |
| 345 | |
| 346 | EPHYR_LOG("leave.\n"); |
| 347 | /*do cleanup here */ |
| 348 | } |
| 349 | |
| 350 | /** |
| 351 | * Duplicates a visual of a_screen |
| 352 | * In screen a_screen, for depth a_depth, find a visual which |
| 353 | * bitsPerRGBValue and colormap size equal |
| 354 | * a_bits_per_rgb_values and a_colormap_entries. |
| 355 | * The ID of that duplicated visual is set to a_new_id. |
| 356 | * That duplicated visual is then added to the list of visuals |
| 357 | * of the screen. |
| 358 | */ |
| 359 | static Bool |
| 360 | EphyrDuplicateVisual(unsigned int a_screen, |
| 361 | short a_depth, |
| 362 | short a_class, |
| 363 | short a_bits_per_rgb_values, |
| 364 | short a_colormap_entries, |
| 365 | unsigned int a_red_mask, |
| 366 | unsigned int a_green_mask, |
| 367 | unsigned int a_blue_mask, unsigned int a_new_id) |
| 368 | { |
| 369 | Bool is_ok = FALSE, found_visual = FALSE, found_depth = FALSE; |
| 370 | ScreenPtr screen = NULL; |
| 371 | VisualRec new_visual, *new_visuals = NULL; |
| 372 | int i = 0; |
| 373 | |
| 374 | EPHYR_LOG("enter\n"); |
| 375 | if (a_screen >= screenInfo.numScreens) { |
| 376 | EPHYR_LOG_ERROR("bad screen number\n"); |
| 377 | goto out; |
| 378 | } |
| 379 | memset(&new_visual, 0, sizeof(VisualRec)); |
| 380 | |
| 381 | /*get the screen pointed to by a_screen */ |
| 382 | screen = screenInfo.screens[a_screen]; |
| 383 | EPHYR_RETURN_VAL_IF_FAIL(screen, FALSE); |
| 384 | |
| 385 | /* |
| 386 | * In that screen, first look for an existing visual that has the |
| 387 | * same characteristics as those passed in parameter |
| 388 | * to this function and copy it. |
| 389 | */ |
| 390 | for (i = 0; i < screen->numVisuals; i++) { |
| 391 | if (screen->visuals[i].bitsPerRGBValue == a_bits_per_rgb_values && |
| 392 | screen->visuals[i].ColormapEntries == a_colormap_entries) { |
| 393 | /*copy the visual found */ |
| 394 | memcpy(&new_visual, &screen->visuals[i], sizeof(new_visual)); |
| 395 | new_visual.vid = a_new_id; |
| 396 | new_visual.class = a_class; |
| 397 | new_visual.redMask = a_red_mask; |
| 398 | new_visual.greenMask = a_green_mask; |
| 399 | new_visual.blueMask = a_blue_mask; |
| 400 | found_visual = TRUE; |
| 401 | EPHYR_LOG("found a visual that matches visual id: %d\n", a_new_id); |
| 402 | break; |
| 403 | } |
| 404 | } |
| 405 | if (!found_visual) { |
| 406 | EPHYR_LOG("did not find any visual matching %d\n", a_new_id); |
| 407 | goto out; |
| 408 | } |
| 409 | /* |
| 410 | * be prepare to extend screen->visuals to add new_visual to it |
| 411 | */ |
| 412 | new_visuals = calloc(screen->numVisuals + 1, sizeof(VisualRec)); |
| 413 | memmove(new_visuals, |
| 414 | screen->visuals, screen->numVisuals * sizeof(VisualRec)); |
| 415 | memmove(&new_visuals[screen->numVisuals], &new_visual, sizeof(VisualRec)); |
| 416 | /* |
| 417 | * Now, in that same screen, update the screen->allowedDepths member. |
| 418 | * In that array, each element represents the visuals applicable to |
| 419 | * a given depth. So we need to add an entry matching the new visual |
| 420 | * that we are going to add to screen->visuals |
| 421 | */ |
| 422 | for (i = 0; i < screen->numDepths; i++) { |
| 423 | VisualID *vids = NULL; |
| 424 | DepthPtr cur_depth = NULL; |
| 425 | |
| 426 | /*find the entry matching a_depth */ |
| 427 | if (screen->allowedDepths[i].depth != a_depth) |
| 428 | continue; |
| 429 | cur_depth = &screen->allowedDepths[i]; |
| 430 | /* |
| 431 | * extend the list of visual IDs in that entry, |
| 432 | * so to add a_new_id in there. |
| 433 | */ |
| 434 | vids = realloc(cur_depth->vids, |
| 435 | (cur_depth->numVids + 1) * sizeof(VisualID)); |
| 436 | if (!vids) { |
| 437 | EPHYR_LOG_ERROR("failed to realloc numids\n"); |
| 438 | goto out; |
| 439 | } |
| 440 | vids[cur_depth->numVids] = a_new_id; |
| 441 | /* |
| 442 | * Okay now commit our change. |
| 443 | * Do really update screen->allowedDepths[i] |
| 444 | */ |
| 445 | cur_depth->numVids++; |
| 446 | cur_depth->vids = vids; |
| 447 | found_depth = TRUE; |
| 448 | } |
| 449 | if (!found_depth) { |
| 450 | EPHYR_LOG_ERROR("failed to update screen[%d]->allowedDepth\n", |
| 451 | a_screen); |
| 452 | goto out; |
| 453 | } |
| 454 | /* |
| 455 | * Commit our change to screen->visuals |
| 456 | */ |
| 457 | free(screen->visuals); |
| 458 | screen->visuals = new_visuals; |
| 459 | screen->numVisuals++; |
| 460 | new_visuals = NULL; |
| 461 | |
| 462 | is_ok = TRUE; |
| 463 | out: |
| 464 | free(new_visuals); |
| 465 | new_visuals = NULL; |
| 466 | |
| 467 | EPHYR_LOG("leave\n"); |
| 468 | return is_ok; |
| 469 | } |
| 470 | |
| 471 | /** |
| 472 | * Duplicates the visuals of the host X server. |
| 473 | * This is necessary to have visuals that have the same |
| 474 | * ID as those of the host X. It is important to have that for |
| 475 | * GLX. |
| 476 | */ |
| 477 | static Bool |
| 478 | EphyrMirrorHostVisuals(ScreenPtr a_screen) |
| 479 | { |
| 480 | Bool is_ok = FALSE; |
| 481 | EphyrHostVisualInfo *visuals = NULL; |
| 482 | int nb_visuals = 0, i = 0; |
| 483 | |
| 484 | EPHYR_LOG("enter\n"); |
| 485 | if (!hostx_get_visuals_info(&visuals, &nb_visuals)) { |
| 486 | EPHYR_LOG_ERROR("failed to get host visuals\n"); |
| 487 | goto out; |
| 488 | } |
| 489 | for (i = 0; i < nb_visuals; i++) { |
| 490 | if (!EphyrDuplicateVisual(a_screen->myNum, |
| 491 | visuals[i].depth, |
| 492 | visuals[i].class, |
| 493 | visuals[i].bits_per_rgb, |
| 494 | visuals[i].colormap_size, |
| 495 | visuals[i].red_mask, |
| 496 | visuals[i].green_mask, |
| 497 | visuals[i].blue_mask, visuals[i].visualid)) { |
| 498 | EPHYR_LOG_ERROR("failed to duplicate host visual %d\n", |
| 499 | (int) visuals[i].visualid); |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | is_ok = TRUE; |
| 504 | out: |
| 505 | EPHYR_LOG("leave\n"); |
| 506 | return is_ok; |
| 507 | } |
| 508 | |
| 509 | static int |
| 510 | ProcXF86DRIQueryVersion(register ClientPtr client) |
| 511 | { |
| 512 | xXF86DRIQueryVersionReply rep = { |
| 513 | .type = X_Reply, |
| 514 | .sequenceNumber = client->sequence, |
| 515 | .length = 0, |
| 516 | .majorVersion = SERVER_XF86DRI_MAJOR_VERSION, |
| 517 | .minorVersion = SERVER_XF86DRI_MINOR_VERSION, |
| 518 | .patchVersion = SERVER_XF86DRI_PATCH_VERSION |
| 519 | }; |
| 520 | |
| 521 | REQUEST_SIZE_MATCH(xXF86DRIQueryVersionReq); |
| 522 | |
| 523 | EPHYR_LOG("enter\n"); |
| 524 | |
| 525 | if (client->swapped) { |
| 526 | swaps(&rep.sequenceNumber); |
| 527 | swapl(&rep.length); |
| 528 | swaps(&rep.majorVersion); |
| 529 | swaps(&rep.minorVersion); |
| 530 | swapl(&rep.patchVersion); |
| 531 | } |
| 532 | WriteToClient(client, sizeof(xXF86DRIQueryVersionReply), &rep); |
| 533 | EPHYR_LOG("leave\n"); |
| 534 | return Success; |
| 535 | } |
| 536 | |
| 537 | static int |
| 538 | ProcXF86DRIQueryDirectRenderingCapable(register ClientPtr client) |
| 539 | { |
| 540 | xXF86DRIQueryDirectRenderingCapableReply rep; |
| 541 | Bool isCapable; |
| 542 | |
| 543 | REQUEST(xXF86DRIQueryDirectRenderingCapableReq); |
| 544 | REQUEST_SIZE_MATCH(xXF86DRIQueryDirectRenderingCapableReq); |
| 545 | |
| 546 | EPHYR_LOG("enter\n"); |
| 547 | if (stuff->screen >= screenInfo.numScreens) { |
| 548 | client->errorValue = stuff->screen; |
| 549 | return BadValue; |
| 550 | } |
| 551 | |
| 552 | if (!ephyrDRIQueryDirectRenderingCapable(stuff->screen, &isCapable)) { |
| 553 | return BadValue; |
| 554 | } |
| 555 | |
| 556 | if (!client->local || client->swapped) |
| 557 | isCapable = 0; |
| 558 | |
| 559 | rep = (xXF86DRIQueryDirectRenderingCapableReply) { |
| 560 | .type = X_Reply, |
| 561 | .sequenceNumber = client->sequence, |
| 562 | .length = 0, |
| 563 | .isCapable = isCapable |
| 564 | }; |
| 565 | |
| 566 | if (client->swapped) { |
| 567 | swaps(&rep.sequenceNumber); |
| 568 | swapl(&rep.length); |
| 569 | } |
| 570 | |
| 571 | WriteToClient(client, sizeof(xXF86DRIQueryDirectRenderingCapableReply), |
| 572 | &rep); |
| 573 | EPHYR_LOG("leave\n"); |
| 574 | |
| 575 | return Success; |
| 576 | } |
| 577 | |
| 578 | static int |
| 579 | ProcXF86DRIOpenConnection(register ClientPtr client) |
| 580 | { |
| 581 | xXF86DRIOpenConnectionReply rep; |
| 582 | drm_handle_t hSAREA; |
| 583 | char *busIdString = NULL; |
| 584 | CARD32 busIdStringLength = 0; |
| 585 | |
| 586 | REQUEST(xXF86DRIOpenConnectionReq); |
| 587 | REQUEST_SIZE_MATCH(xXF86DRIOpenConnectionReq); |
| 588 | |
| 589 | EPHYR_LOG("enter\n"); |
| 590 | if (stuff->screen >= screenInfo.numScreens) { |
| 591 | client->errorValue = stuff->screen; |
| 592 | return BadValue; |
| 593 | } |
| 594 | |
| 595 | if (!ephyrDRIOpenConnection(stuff->screen, &hSAREA, &busIdString)) { |
| 596 | return BadValue; |
| 597 | } |
| 598 | |
| 599 | if (busIdString) |
| 600 | busIdStringLength = strlen(busIdString); |
| 601 | |
| 602 | rep = (xXF86DRIOpenConnectionReply) { |
| 603 | .type = X_Reply, |
| 604 | .sequenceNumber = client->sequence, |
| 605 | .length = bytes_to_int32(SIZEOF(xXF86DRIOpenConnectionReply) - |
| 606 | SIZEOF(xGenericReply) + |
| 607 | pad_to_int32(busIdStringLength)), |
| 608 | .hSAREALow = (CARD32) (hSAREA & 0xffffffff), |
| 609 | #if defined(LONG64) && !defined(__linux__) |
| 610 | .hSAREAHigh = (CARD32) (hSAREA >> 32), |
| 611 | #else |
| 612 | .hSAREAHigh = 0, |
| 613 | #endif |
| 614 | .busIdStringLength = busIdStringLength |
| 615 | }; |
| 616 | |
| 617 | WriteToClient(client, sizeof(xXF86DRIOpenConnectionReply), &rep); |
| 618 | if (busIdStringLength) |
| 619 | WriteToClient(client, busIdStringLength, busIdString); |
| 620 | free(busIdString); |
| 621 | EPHYR_LOG("leave\n"); |
| 622 | return Success; |
| 623 | } |
| 624 | |
| 625 | static int |
| 626 | ProcXF86DRIAuthConnection(register ClientPtr client) |
| 627 | { |
| 628 | xXF86DRIAuthConnectionReply rep; |
| 629 | |
| 630 | REQUEST(xXF86DRIAuthConnectionReq); |
| 631 | REQUEST_SIZE_MATCH(xXF86DRIAuthConnectionReq); |
| 632 | |
| 633 | EPHYR_LOG("enter\n"); |
| 634 | if (stuff->screen >= screenInfo.numScreens) { |
| 635 | client->errorValue = stuff->screen; |
| 636 | return BadValue; |
| 637 | } |
| 638 | |
| 639 | rep = (xXF86DRIAuthConnectionReply) { |
| 640 | .type = X_Reply, |
| 641 | .sequenceNumber = client->sequence, |
| 642 | .length = 0, |
| 643 | .authenticated = 1 |
| 644 | }; |
| 645 | |
| 646 | if (!ephyrDRIAuthConnection(stuff->screen, stuff->magic)) { |
| 647 | ErrorF("Failed to authenticate %lu\n", (unsigned long) stuff->magic); |
| 648 | rep.authenticated = 0; |
| 649 | } |
| 650 | WriteToClient(client, sizeof(xXF86DRIAuthConnectionReply), &rep); |
| 651 | EPHYR_LOG("leave\n"); |
| 652 | return Success; |
| 653 | } |
| 654 | |
| 655 | static int |
| 656 | ProcXF86DRICloseConnection(register ClientPtr client) |
| 657 | { |
| 658 | REQUEST(xXF86DRICloseConnectionReq); |
| 659 | REQUEST_SIZE_MATCH(xXF86DRICloseConnectionReq); |
| 660 | EPHYR_LOG("enter\n"); |
| 661 | if (stuff->screen >= screenInfo.numScreens) { |
| 662 | client->errorValue = stuff->screen; |
| 663 | return BadValue; |
| 664 | } |
| 665 | |
| 666 | /* |
| 667 | DRICloseConnection( screenInfo.screens[stuff->screen]); |
| 668 | */ |
| 669 | |
| 670 | EPHYR_LOG("leave\n"); |
| 671 | return Success; |
| 672 | } |
| 673 | |
| 674 | static int |
| 675 | ProcXF86DRIGetClientDriverName(register ClientPtr client) |
| 676 | { |
| 677 | xXF86DRIGetClientDriverNameReply rep = { |
| 678 | .type = X_Reply, |
| 679 | .sequenceNumber = client->sequence, |
| 680 | .clientDriverNameLength = 0 |
| 681 | }; |
| 682 | char *clientDriverName; |
| 683 | |
| 684 | REQUEST(xXF86DRIGetClientDriverNameReq); |
| 685 | REQUEST_SIZE_MATCH(xXF86DRIGetClientDriverNameReq); |
| 686 | |
| 687 | EPHYR_LOG("enter\n"); |
| 688 | if (stuff->screen >= screenInfo.numScreens) { |
| 689 | client->errorValue = stuff->screen; |
| 690 | return BadValue; |
| 691 | } |
| 692 | |
| 693 | ephyrDRIGetClientDriverName(stuff->screen, |
| 694 | (int *) &rep.ddxDriverMajorVersion, |
| 695 | (int *) &rep.ddxDriverMinorVersion, |
| 696 | (int *) &rep.ddxDriverPatchVersion, |
| 697 | &clientDriverName); |
| 698 | if (clientDriverName) |
| 699 | rep.clientDriverNameLength = strlen(clientDriverName); |
| 700 | rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetClientDriverNameReply) - |
| 701 | SIZEOF(xGenericReply) + |
| 702 | pad_to_int32(rep.clientDriverNameLength)); |
| 703 | |
| 704 | WriteToClient(client, sizeof(xXF86DRIGetClientDriverNameReply), &rep); |
| 705 | if (rep.clientDriverNameLength) |
| 706 | WriteToClient(client, rep.clientDriverNameLength, clientDriverName); |
| 707 | EPHYR_LOG("leave\n"); |
| 708 | return Success; |
| 709 | } |
| 710 | |
| 711 | static int |
| 712 | ProcXF86DRICreateContext(register ClientPtr client) |
| 713 | { |
| 714 | xXF86DRICreateContextReply rep = { |
| 715 | .type = X_Reply, |
| 716 | .sequenceNumber = client->sequence, |
| 717 | .length = 0 |
| 718 | }; |
| 719 | ScreenPtr pScreen; |
| 720 | VisualPtr visual; |
| 721 | int i = 0; |
| 722 | |
| 723 | REQUEST(xXF86DRICreateContextReq); |
| 724 | REQUEST_SIZE_MATCH(xXF86DRICreateContextReq); |
| 725 | |
| 726 | EPHYR_LOG("enter\n"); |
| 727 | if (stuff->screen >= screenInfo.numScreens) { |
| 728 | client->errorValue = stuff->screen; |
| 729 | return BadValue; |
| 730 | } |
| 731 | |
| 732 | pScreen = screenInfo.screens[stuff->screen]; |
| 733 | visual = pScreen->visuals; |
| 734 | |
| 735 | /* Find the requested X visual */ |
| 736 | for (i = 0; i < pScreen->numVisuals; i++, visual++) |
| 737 | if (visual->vid == stuff->visual) |
| 738 | break; |
| 739 | if (i == pScreen->numVisuals) { |
| 740 | /* No visual found */ |
| 741 | return BadValue; |
| 742 | } |
| 743 | |
| 744 | if (!ephyrDRICreateContext(stuff->screen, |
| 745 | stuff->visual, |
| 746 | stuff->context, |
| 747 | (drm_context_t *) &rep.hHWContext)) { |
| 748 | return BadValue; |
| 749 | } |
| 750 | |
| 751 | WriteToClient(client, sizeof(xXF86DRICreateContextReply), &rep); |
| 752 | EPHYR_LOG("leave\n"); |
| 753 | return Success; |
| 754 | } |
| 755 | |
| 756 | static int |
| 757 | ProcXF86DRIDestroyContext(register ClientPtr client) |
| 758 | { |
| 759 | REQUEST(xXF86DRIDestroyContextReq); |
| 760 | REQUEST_SIZE_MATCH(xXF86DRIDestroyContextReq); |
| 761 | EPHYR_LOG("enter\n"); |
| 762 | |
| 763 | if (stuff->screen >= screenInfo.numScreens) { |
| 764 | client->errorValue = stuff->screen; |
| 765 | return BadValue; |
| 766 | } |
| 767 | |
| 768 | if (!ephyrDRIDestroyContext(stuff->screen, stuff->context)) { |
| 769 | return BadValue; |
| 770 | } |
| 771 | |
| 772 | EPHYR_LOG("leave\n"); |
| 773 | return Success; |
| 774 | } |
| 775 | |
| 776 | static Bool |
| 777 | getWindowVisual(const WindowPtr a_win, VisualPtr * a_visual) |
| 778 | { |
| 779 | int i = 0, visual_id = 0; |
| 780 | |
| 781 | EPHYR_RETURN_VAL_IF_FAIL(a_win |
| 782 | && a_win->drawable.pScreen |
| 783 | && a_win->drawable.pScreen->visuals, FALSE); |
| 784 | |
| 785 | visual_id = wVisual(a_win); |
| 786 | for (i = 0; i < a_win->drawable.pScreen->numVisuals; i++) { |
| 787 | if (a_win->drawable.pScreen->visuals[i].vid == visual_id) { |
| 788 | *a_visual = &a_win->drawable.pScreen->visuals[i]; |
| 789 | return TRUE; |
| 790 | } |
| 791 | } |
| 792 | return FALSE; |
| 793 | } |
| 794 | |
| 795 | #define NUM_WINDOW_PAIRS 256 |
| 796 | static EphyrWindowPair window_pairs[NUM_WINDOW_PAIRS]; |
| 797 | |
| 798 | static Bool |
| 799 | appendWindowPairToList(WindowPtr a_local, int a_remote) |
| 800 | { |
| 801 | int i = 0; |
| 802 | |
| 803 | EPHYR_RETURN_VAL_IF_FAIL(a_local, FALSE); |
| 804 | |
| 805 | EPHYR_LOG("(local,remote):(%p, %d)\n", a_local, a_remote); |
| 806 | |
| 807 | for (i = 0; i < NUM_WINDOW_PAIRS; i++) { |
| 808 | if (window_pairs[i].local == NULL) { |
| 809 | window_pairs[i].local = a_local; |
| 810 | window_pairs[i].remote = a_remote; |
| 811 | return TRUE; |
| 812 | } |
| 813 | } |
| 814 | return FALSE; |
| 815 | } |
| 816 | |
| 817 | static Bool |
| 818 | findWindowPairFromLocal(WindowPtr a_local, EphyrWindowPair ** a_pair) |
| 819 | { |
| 820 | int i = 0; |
| 821 | |
| 822 | EPHYR_RETURN_VAL_IF_FAIL(a_pair && a_local, FALSE); |
| 823 | |
| 824 | for (i = 0; i < NUM_WINDOW_PAIRS; i++) { |
| 825 | if (window_pairs[i].local == a_local) { |
| 826 | *a_pair = &window_pairs[i]; |
| 827 | EPHYR_LOG("found (%p, %d)\n", (*a_pair)->local, (*a_pair)->remote); |
| 828 | return TRUE; |
| 829 | } |
| 830 | } |
| 831 | return FALSE; |
| 832 | } |
| 833 | |
| 834 | Bool |
| 835 | findWindowPairFromRemote(int a_remote, EphyrWindowPair ** a_pair) |
| 836 | { |
| 837 | int i = 0; |
| 838 | |
| 839 | EPHYR_RETURN_VAL_IF_FAIL(a_pair, FALSE); |
| 840 | |
| 841 | for (i = 0; i < NUM_WINDOW_PAIRS; i++) { |
| 842 | if (window_pairs[i].remote == a_remote) { |
| 843 | *a_pair = &window_pairs[i]; |
| 844 | EPHYR_LOG("found (%p, %d)\n", (*a_pair)->local, (*a_pair)->remote); |
| 845 | return TRUE; |
| 846 | } |
| 847 | } |
| 848 | return FALSE; |
| 849 | } |
| 850 | |
| 851 | static Bool |
| 852 | createHostPeerWindow(const WindowPtr a_win, int *a_peer_win) |
| 853 | { |
| 854 | Bool is_ok = FALSE; |
| 855 | VisualPtr visual = NULL; |
| 856 | EphyrBox geo; |
| 857 | |
| 858 | EPHYR_RETURN_VAL_IF_FAIL(a_win && a_peer_win, FALSE); |
| 859 | EPHYR_RETURN_VAL_IF_FAIL(a_win->drawable.pScreen, FALSE); |
| 860 | |
| 861 | EPHYR_LOG("enter. a_win '%p'\n", a_win); |
| 862 | if (!getWindowVisual(a_win, &visual)) { |
| 863 | EPHYR_LOG_ERROR("failed to get window visual\n"); |
| 864 | goto out; |
| 865 | } |
| 866 | if (!visual) { |
| 867 | EPHYR_LOG_ERROR("failed to create visual\n"); |
| 868 | goto out; |
| 869 | } |
| 870 | memset(&geo, 0, sizeof(geo)); |
| 871 | geo.x = a_win->drawable.x; |
| 872 | geo.y = a_win->drawable.y; |
| 873 | geo.width = a_win->drawable.width; |
| 874 | geo.height = a_win->drawable.height; |
| 875 | if (!hostx_create_window(a_win->drawable.pScreen->myNum, |
| 876 | &geo, visual->vid, a_peer_win)) { |
| 877 | EPHYR_LOG_ERROR("failed to create host peer window\n"); |
| 878 | goto out; |
| 879 | } |
| 880 | if (!appendWindowPairToList(a_win, *a_peer_win)) { |
| 881 | EPHYR_LOG_ERROR("failed to append window to pair list\n"); |
| 882 | goto out; |
| 883 | } |
| 884 | is_ok = TRUE; |
| 885 | out: |
| 886 | EPHYR_LOG("leave:remote win%d\n", *a_peer_win); |
| 887 | return is_ok; |
| 888 | } |
| 889 | |
| 890 | static Bool |
| 891 | destroyHostPeerWindow(const WindowPtr a_win) |
| 892 | { |
| 893 | Bool is_ok = FALSE; |
| 894 | EphyrWindowPair *pair = NULL; |
| 895 | |
| 896 | EPHYR_RETURN_VAL_IF_FAIL(a_win, FALSE); |
| 897 | |
| 898 | EPHYR_LOG("enter\n"); |
| 899 | |
| 900 | if (!findWindowPairFromLocal(a_win, &pair) || !pair) { |
| 901 | EPHYR_LOG_ERROR("failed to find peer to local window\n"); |
| 902 | goto out; |
| 903 | } |
| 904 | hostx_destroy_window(pair->remote); |
| 905 | is_ok = TRUE; |
| 906 | |
| 907 | out: |
| 908 | EPHYR_LOG("leave\n"); |
| 909 | return is_ok; |
| 910 | } |
| 911 | |
| 912 | static int |
| 913 | ProcXF86DRICreateDrawable(ClientPtr client) |
| 914 | { |
| 915 | xXF86DRICreateDrawableReply rep = { |
| 916 | .type = X_Reply, |
| 917 | .sequenceNumber = client->sequence, |
| 918 | .length = 0 |
| 919 | }; |
| 920 | DrawablePtr drawable = NULL; |
| 921 | WindowPtr window = NULL; |
| 922 | EphyrWindowPair *pair = NULL; |
| 923 | EphyrDRIWindowPrivPtr win_priv = NULL; |
| 924 | int rc = 0, remote_win = 0; |
| 925 | |
| 926 | REQUEST(xXF86DRICreateDrawableReq); |
| 927 | REQUEST_SIZE_MATCH(xXF86DRICreateDrawableReq); |
| 928 | |
| 929 | EPHYR_LOG("enter\n"); |
| 930 | if (stuff->screen >= screenInfo.numScreens) { |
| 931 | client->errorValue = stuff->screen; |
| 932 | return BadValue; |
| 933 | } |
| 934 | |
| 935 | rc = dixLookupDrawable(&drawable, stuff->drawable, client, 0, |
| 936 | DixReadAccess); |
| 937 | if (rc != Success) |
| 938 | return rc; |
| 939 | if (drawable->type != DRAWABLE_WINDOW) { |
| 940 | EPHYR_LOG_ERROR("non drawable windows are not yet supported\n"); |
| 941 | return BadImplementation; |
| 942 | } |
| 943 | EPHYR_LOG("lookedup drawable %p\n", drawable); |
| 944 | window = (WindowPtr) drawable; |
| 945 | if (findWindowPairFromLocal(window, &pair) && pair) { |
| 946 | remote_win = pair->remote; |
| 947 | EPHYR_LOG("found window '%p' paire with remote '%d'\n", |
| 948 | window, remote_win); |
| 949 | } |
| 950 | else if (!createHostPeerWindow(window, &remote_win)) { |
| 951 | EPHYR_LOG_ERROR("failed to create host peer window\n"); |
| 952 | return BadAlloc; |
| 953 | } |
| 954 | |
| 955 | if (!ephyrDRICreateDrawable(stuff->screen, |
| 956 | remote_win, |
| 957 | (drm_drawable_t *) &rep.hHWDrawable)) { |
| 958 | EPHYR_LOG_ERROR("failed to create dri drawable\n"); |
| 959 | return BadValue; |
| 960 | } |
| 961 | |
| 962 | win_priv = GET_EPHYR_DRI_WINDOW_PRIV(window); |
| 963 | if (!win_priv) { |
| 964 | win_priv = calloc(1, sizeof(EphyrDRIWindowPrivRec)); |
| 965 | if (!win_priv) { |
| 966 | EPHYR_LOG_ERROR("failed to allocate window private\n"); |
| 967 | return BadAlloc; |
| 968 | } |
| 969 | dixSetPrivate(&window->devPrivates, ephyrDRIWindowKey, win_priv); |
| 970 | EPHYR_LOG("paired window '%p' with remote '%d'\n", window, remote_win); |
| 971 | } |
| 972 | |
| 973 | WriteToClient(client, sizeof(xXF86DRICreateDrawableReply), &rep); |
| 974 | EPHYR_LOG("leave\n"); |
| 975 | return Success; |
| 976 | } |
| 977 | |
| 978 | static int |
| 979 | ProcXF86DRIDestroyDrawable(register ClientPtr client) |
| 980 | { |
| 981 | DrawablePtr drawable = NULL; |
| 982 | WindowPtr window = NULL; |
| 983 | EphyrWindowPair *pair = NULL; |
| 984 | int rc = 0; |
| 985 | |
| 986 | REQUEST(xXF86DRIDestroyDrawableReq); |
| 987 | REQUEST_SIZE_MATCH(xXF86DRIDestroyDrawableReq); |
| 988 | |
| 989 | EPHYR_LOG("enter\n"); |
| 990 | if (stuff->screen >= screenInfo.numScreens) { |
| 991 | client->errorValue = stuff->screen; |
| 992 | return BadValue; |
| 993 | } |
| 994 | |
| 995 | rc = dixLookupDrawable(&drawable, |
| 996 | stuff->drawable, client, 0, DixReadAccess); |
| 997 | if (rc != Success) |
| 998 | return rc; |
| 999 | if (drawable->type != DRAWABLE_WINDOW) { |
| 1000 | EPHYR_LOG_ERROR("non drawable windows are not yet supported\n"); |
| 1001 | return BadImplementation; |
| 1002 | } |
| 1003 | window = (WindowPtr) drawable; |
| 1004 | if (!findWindowPairFromLocal(window, &pair) && pair) { |
| 1005 | EPHYR_LOG_ERROR("failed to find pair window\n"); |
| 1006 | return BadImplementation; |
| 1007 | } |
| 1008 | if (!ephyrDRIDestroyDrawable(stuff->screen, |
| 1009 | pair->remote /*drawable in host x */ )) { |
| 1010 | EPHYR_LOG_ERROR("failed to destroy dri drawable\n"); |
| 1011 | return BadImplementation; |
| 1012 | } |
| 1013 | pair->local = NULL; |
| 1014 | pair->remote = 0; |
| 1015 | |
| 1016 | EPHYR_LOG("leave\n"); |
| 1017 | return Success; |
| 1018 | } |
| 1019 | |
| 1020 | static int |
| 1021 | ProcXF86DRIGetDrawableInfo(register ClientPtr client) |
| 1022 | { |
| 1023 | xXF86DRIGetDrawableInfoReply rep = { |
| 1024 | .type = X_Reply, |
| 1025 | .sequenceNumber = client->sequence, |
| 1026 | .length = 0 |
| 1027 | }; |
| 1028 | DrawablePtr drawable; |
| 1029 | WindowPtr window = NULL; |
| 1030 | EphyrWindowPair *pair = NULL; |
| 1031 | int X = 0, Y = 0, W = 0, H = 0, backX = 0, backY = 0, rc = 0, i = 0; |
| 1032 | drm_clip_rect_t *clipRects = NULL; |
| 1033 | drm_clip_rect_t *backClipRects = NULL; |
| 1034 | |
| 1035 | REQUEST(xXF86DRIGetDrawableInfoReq); |
| 1036 | REQUEST_SIZE_MATCH(xXF86DRIGetDrawableInfoReq); |
| 1037 | |
| 1038 | EPHYR_LOG("enter\n"); |
| 1039 | if (stuff->screen >= screenInfo.numScreens) { |
| 1040 | client->errorValue = stuff->screen; |
| 1041 | return BadValue; |
| 1042 | } |
| 1043 | |
| 1044 | rc = dixLookupDrawable(&drawable, stuff->drawable, client, 0, |
| 1045 | DixReadAccess); |
| 1046 | if (rc != Success || !drawable) { |
| 1047 | EPHYR_LOG_ERROR("could not get drawable\n"); |
| 1048 | return rc; |
| 1049 | } |
| 1050 | |
| 1051 | if (drawable->type != DRAWABLE_WINDOW) { |
| 1052 | EPHYR_LOG_ERROR("non windows type drawables are not yes supported\n"); |
| 1053 | return BadImplementation; |
| 1054 | } |
| 1055 | window = (WindowPtr) drawable; |
| 1056 | memset(&pair, 0, sizeof(pair)); |
| 1057 | if (!findWindowPairFromLocal(window, &pair) || !pair) { |
| 1058 | EPHYR_LOG_ERROR("failed to find remote peer drawable\n"); |
| 1059 | return BadMatch; |
| 1060 | } |
| 1061 | EPHYR_LOG("clip list of xephyr gl drawable:\n"); |
| 1062 | for (i = 0; i < RegionNumRects(&window->clipList); i++) { |
| 1063 | EPHYR_LOG("x1:%d, y1:%d, x2:%d, y2:%d\n", |
| 1064 | RegionRects(&window->clipList)[i].x1, |
| 1065 | RegionRects(&window->clipList)[i].y1, |
| 1066 | RegionRects(&window->clipList)[i].x2, |
| 1067 | RegionRects(&window->clipList)[i].y2); |
| 1068 | } |
| 1069 | |
| 1070 | if (!ephyrDRIGetDrawableInfo(stuff->screen, |
| 1071 | pair->remote /*the drawable in hostx */ , |
| 1072 | (unsigned int *) &rep.drawableTableIndex, |
| 1073 | (unsigned int *) &rep.drawableTableStamp, |
| 1074 | (int *) &X, |
| 1075 | (int *) &Y, |
| 1076 | (int *) &W, |
| 1077 | (int *) &H, |
| 1078 | (int *) &rep.numClipRects, |
| 1079 | &clipRects, |
| 1080 | &backX, |
| 1081 | &backY, |
| 1082 | (int *) &rep.numBackClipRects, |
| 1083 | &backClipRects)) { |
| 1084 | return BadValue; |
| 1085 | } |
| 1086 | EPHYR_LOG("num clip rects:%d, num back clip rects:%d\n", |
| 1087 | (int) rep.numClipRects, (int) rep.numBackClipRects); |
| 1088 | |
| 1089 | rep.drawableX = X; |
| 1090 | rep.drawableY = Y; |
| 1091 | rep.drawableWidth = W; |
| 1092 | rep.drawableHeight = H; |
| 1093 | rep.length = (SIZEOF(xXF86DRIGetDrawableInfoReply) - SIZEOF(xGenericReply)); |
| 1094 | |
| 1095 | rep.backX = backX; |
| 1096 | rep.backY = backY; |
| 1097 | |
| 1098 | if (rep.numClipRects) { |
| 1099 | if (clipRects) { |
| 1100 | ScreenPtr pScreen = screenInfo.screens[stuff->screen]; |
| 1101 | int i = 0; |
| 1102 | |
| 1103 | EPHYR_LOG("clip list of host gl drawable:\n"); |
| 1104 | for (i = 0; i < rep.numClipRects; i++) { |
| 1105 | clipRects[i].x1 = max(clipRects[i].x1, 0); |
| 1106 | clipRects[i].y1 = max(clipRects[i].y1, 0); |
| 1107 | clipRects[i].x2 = min(clipRects[i].x2, |
| 1108 | pScreen->width + clipRects[i].x1); |
| 1109 | clipRects[i].y2 = min(clipRects[i].y2, |
| 1110 | pScreen->width + clipRects[i].y1); |
| 1111 | |
| 1112 | EPHYR_LOG("x1:%d, y1:%d, x2:%d, y2:%d\n", |
| 1113 | clipRects[i].x1, clipRects[i].y1, |
| 1114 | clipRects[i].x2, clipRects[i].y2); |
| 1115 | } |
| 1116 | } |
| 1117 | else { |
| 1118 | rep.numClipRects = 0; |
| 1119 | } |
| 1120 | } |
| 1121 | else { |
| 1122 | EPHYR_LOG("got zero host gl drawable clipping rects\n"); |
| 1123 | } |
| 1124 | rep.length += sizeof(drm_clip_rect_t) * rep.numClipRects; |
| 1125 | backClipRects = clipRects; |
| 1126 | rep.numBackClipRects = rep.numClipRects; |
| 1127 | if (rep.numBackClipRects) |
| 1128 | rep.length += sizeof(drm_clip_rect_t) * rep.numBackClipRects; |
| 1129 | EPHYR_LOG("num host clip rects:%d\n", (int) rep.numClipRects); |
| 1130 | EPHYR_LOG("num host back clip rects:%d\n", (int) rep.numBackClipRects); |
| 1131 | |
| 1132 | rep.length = bytes_to_int32(rep.length); |
| 1133 | |
| 1134 | WriteToClient(client, sizeof(xXF86DRIGetDrawableInfoReply), &rep); |
| 1135 | |
| 1136 | if (rep.numClipRects) { |
| 1137 | WriteToClient(client, |
| 1138 | sizeof(drm_clip_rect_t) * rep.numClipRects, |
| 1139 | clipRects); |
| 1140 | } |
| 1141 | |
| 1142 | if (rep.numBackClipRects) { |
| 1143 | WriteToClient(client, |
| 1144 | sizeof(drm_clip_rect_t) * rep.numBackClipRects, |
| 1145 | backClipRects); |
| 1146 | } |
| 1147 | free(clipRects); |
| 1148 | clipRects = NULL; |
| 1149 | |
| 1150 | EPHYR_LOG("leave\n"); |
| 1151 | |
| 1152 | return Success; |
| 1153 | } |
| 1154 | |
| 1155 | static int |
| 1156 | ProcXF86DRIGetDeviceInfo(register ClientPtr client) |
| 1157 | { |
| 1158 | xXF86DRIGetDeviceInfoReply rep = { |
| 1159 | .type = X_Reply, |
| 1160 | .sequenceNumber = client->sequence, |
| 1161 | .length = 0 |
| 1162 | }; |
| 1163 | drm_handle_t hFrameBuffer; |
| 1164 | void *pDevPrivate; |
| 1165 | |
| 1166 | REQUEST(xXF86DRIGetDeviceInfoReq); |
| 1167 | REQUEST_SIZE_MATCH(xXF86DRIGetDeviceInfoReq); |
| 1168 | |
| 1169 | EPHYR_LOG("enter\n"); |
| 1170 | if (stuff->screen >= screenInfo.numScreens) { |
| 1171 | client->errorValue = stuff->screen; |
| 1172 | return BadValue; |
| 1173 | } |
| 1174 | |
| 1175 | if (!ephyrDRIGetDeviceInfo(stuff->screen, |
| 1176 | &hFrameBuffer, |
| 1177 | (int *) &rep.framebufferOrigin, |
| 1178 | (int *) &rep.framebufferSize, |
| 1179 | (int *) &rep.framebufferStride, |
| 1180 | (int *) &rep.devPrivateSize, &pDevPrivate)) { |
| 1181 | return BadValue; |
| 1182 | } |
| 1183 | |
| 1184 | rep.hFrameBufferLow = (CARD32) (hFrameBuffer & 0xffffffff); |
| 1185 | #if defined(LONG64) && !defined(__linux__) |
| 1186 | rep.hFrameBufferHigh = (CARD32) (hFrameBuffer >> 32); |
| 1187 | #else |
| 1188 | rep.hFrameBufferHigh = 0; |
| 1189 | #endif |
| 1190 | |
| 1191 | if (rep.devPrivateSize) { |
| 1192 | rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetDeviceInfoReply) - |
| 1193 | SIZEOF(xGenericReply) + |
| 1194 | pad_to_int32(rep.devPrivateSize)); |
| 1195 | } |
| 1196 | |
| 1197 | WriteToClient(client, sizeof(xXF86DRIGetDeviceInfoReply), &rep); |
| 1198 | if (rep.length) { |
| 1199 | WriteToClient(client, rep.devPrivateSize, pDevPrivate); |
| 1200 | } |
| 1201 | EPHYR_LOG("leave\n"); |
| 1202 | return Success; |
| 1203 | } |
| 1204 | |
| 1205 | static int |
| 1206 | ProcXF86DRIDispatch(register ClientPtr client) |
| 1207 | { |
| 1208 | REQUEST(xReq); |
| 1209 | EPHYR_LOG("enter\n"); |
| 1210 | |
| 1211 | switch (stuff->data) { |
| 1212 | case X_XF86DRIQueryVersion:{ |
| 1213 | EPHYR_LOG("leave\n"); |
| 1214 | return ProcXF86DRIQueryVersion(client); |
| 1215 | } |
| 1216 | case X_XF86DRIQueryDirectRenderingCapable:{ |
| 1217 | EPHYR_LOG("leave\n"); |
| 1218 | return ProcXF86DRIQueryDirectRenderingCapable(client); |
| 1219 | } |
| 1220 | } |
| 1221 | |
| 1222 | if (!client->local) |
| 1223 | return DRIErrorBase + XF86DRIClientNotLocal; |
| 1224 | |
| 1225 | switch (stuff->data) { |
| 1226 | case X_XF86DRIOpenConnection:{ |
| 1227 | EPHYR_LOG("leave\n"); |
| 1228 | return ProcXF86DRIOpenConnection(client); |
| 1229 | } |
| 1230 | case X_XF86DRICloseConnection:{ |
| 1231 | EPHYR_LOG("leave\n"); |
| 1232 | return ProcXF86DRICloseConnection(client); |
| 1233 | } |
| 1234 | case X_XF86DRIGetClientDriverName:{ |
| 1235 | EPHYR_LOG("leave\n"); |
| 1236 | return ProcXF86DRIGetClientDriverName(client); |
| 1237 | } |
| 1238 | case X_XF86DRICreateContext:{ |
| 1239 | EPHYR_LOG("leave\n"); |
| 1240 | return ProcXF86DRICreateContext(client); |
| 1241 | } |
| 1242 | case X_XF86DRIDestroyContext:{ |
| 1243 | EPHYR_LOG("leave\n"); |
| 1244 | return ProcXF86DRIDestroyContext(client); |
| 1245 | } |
| 1246 | case X_XF86DRICreateDrawable:{ |
| 1247 | EPHYR_LOG("leave\n"); |
| 1248 | return ProcXF86DRICreateDrawable(client); |
| 1249 | } |
| 1250 | case X_XF86DRIDestroyDrawable:{ |
| 1251 | EPHYR_LOG("leave\n"); |
| 1252 | return ProcXF86DRIDestroyDrawable(client); |
| 1253 | } |
| 1254 | case X_XF86DRIGetDrawableInfo:{ |
| 1255 | EPHYR_LOG("leave\n"); |
| 1256 | return ProcXF86DRIGetDrawableInfo(client); |
| 1257 | } |
| 1258 | case X_XF86DRIGetDeviceInfo:{ |
| 1259 | EPHYR_LOG("leave\n"); |
| 1260 | return ProcXF86DRIGetDeviceInfo(client); |
| 1261 | } |
| 1262 | case X_XF86DRIAuthConnection:{ |
| 1263 | EPHYR_LOG("leave\n"); |
| 1264 | return ProcXF86DRIAuthConnection(client); |
| 1265 | } |
| 1266 | /* {Open,Close}FullScreen are deprecated now */ |
| 1267 | default:{ |
| 1268 | EPHYR_LOG("leave\n"); |
| 1269 | return BadRequest; |
| 1270 | } |
| 1271 | } |
| 1272 | } |
| 1273 | |
| 1274 | static int |
| 1275 | SProcXF86DRIQueryVersion(register ClientPtr client) |
| 1276 | { |
| 1277 | REQUEST(xXF86DRIQueryVersionReq); |
| 1278 | swaps(&stuff->length); |
| 1279 | return ProcXF86DRIQueryVersion(client); |
| 1280 | } |
| 1281 | |
| 1282 | static int |
| 1283 | SProcXF86DRIQueryDirectRenderingCapable(register ClientPtr client) |
| 1284 | { |
| 1285 | REQUEST(xXF86DRIQueryDirectRenderingCapableReq); |
| 1286 | swaps(&stuff->length); |
| 1287 | swapl(&stuff->screen); |
| 1288 | return ProcXF86DRIQueryDirectRenderingCapable(client); |
| 1289 | } |
| 1290 | |
| 1291 | static int |
| 1292 | SProcXF86DRIDispatch(register ClientPtr client) |
| 1293 | { |
| 1294 | REQUEST(xReq); |
| 1295 | |
| 1296 | EPHYR_LOG("enter\n"); |
| 1297 | /* |
| 1298 | * Only local clients are allowed DRI access, but remote clients still need |
| 1299 | * these requests to find out cleanly. |
| 1300 | */ |
| 1301 | switch (stuff->data) { |
| 1302 | case X_XF86DRIQueryVersion:{ |
| 1303 | EPHYR_LOG("leave\n"); |
| 1304 | return SProcXF86DRIQueryVersion(client); |
| 1305 | } |
| 1306 | case X_XF86DRIQueryDirectRenderingCapable:{ |
| 1307 | EPHYR_LOG("leave\n"); |
| 1308 | return SProcXF86DRIQueryDirectRenderingCapable(client); |
| 1309 | } |
| 1310 | default:{ |
| 1311 | EPHYR_LOG("leave\n"); |
| 1312 | return DRIErrorBase + XF86DRIClientNotLocal; |
| 1313 | } |
| 1314 | } |
| 1315 | } |
| 1316 | |
| 1317 | Bool |
| 1318 | ephyrDRIExtensionInit(ScreenPtr a_screen) |
| 1319 | { |
| 1320 | Bool is_ok = FALSE; |
| 1321 | ExtensionEntry *extEntry = NULL; |
| 1322 | EphyrDRIScreenPrivPtr screen_priv = NULL; |
| 1323 | |
| 1324 | EPHYR_LOG("enter\n"); |
| 1325 | if (!host_has_extension(&xcb_xf86dri_id)) { |
| 1326 | EPHYR_LOG("host does not have DRI extension\n"); |
| 1327 | goto out; |
| 1328 | } |
| 1329 | EPHYR_LOG("host X does have DRI extension\n"); |
| 1330 | if (!host_has_extension(&xcb_shape_id)) { |
| 1331 | EPHYR_LOG("host does not have XShape extension\n"); |
| 1332 | goto out; |
| 1333 | } |
| 1334 | EPHYR_LOG("host X does have XShape extension\n"); |
| 1335 | |
| 1336 | #ifdef XF86DRI_EVENTS |
| 1337 | EventType = CreateNewResourceType(XF86DRIFreeEvents, "DRIEvents"); |
| 1338 | if (!EventType) { |
| 1339 | EPHYR_LOG_ERROR("failed to register DRI event resource type\n"); |
| 1340 | goto out; |
| 1341 | } |
| 1342 | #endif |
| 1343 | |
| 1344 | if ((extEntry = AddExtension(XF86DRINAME, |
| 1345 | XF86DRINumberEvents, |
| 1346 | XF86DRINumberErrors, |
| 1347 | ProcXF86DRIDispatch, |
| 1348 | SProcXF86DRIDispatch, |
| 1349 | NULL, StandardMinorOpcode))) { |
| 1350 | DRIReqCode = (unsigned char) extEntry->base; |
| 1351 | DRIErrorBase = extEntry->errorBase; |
| 1352 | } |
| 1353 | else { |
| 1354 | EPHYR_LOG_ERROR("failed to register DRI extension\n"); |
| 1355 | goto out; |
| 1356 | } |
| 1357 | if (!dixRegisterPrivateKey(&ephyrDRIScreenKeyRec, PRIVATE_SCREEN, 0)) |
| 1358 | goto out; |
| 1359 | if (!dixRegisterPrivateKey(&ephyrDRIWindowKeyRec, PRIVATE_WINDOW, 0)) |
| 1360 | goto out; |
| 1361 | screen_priv = calloc(1, sizeof(EphyrDRIScreenPrivRec)); |
| 1362 | if (!screen_priv) { |
| 1363 | EPHYR_LOG_ERROR("failed to allocate screen_priv\n"); |
| 1364 | goto out; |
| 1365 | } |
| 1366 | dixSetPrivate(&a_screen->devPrivates, ephyrDRIScreenKey, screen_priv); |
| 1367 | |
| 1368 | if (!ephyrDRIScreenInit(a_screen)) { |
| 1369 | EPHYR_LOG_ERROR("ephyrDRIScreenInit() failed\n"); |
| 1370 | goto out; |
| 1371 | } |
| 1372 | EphyrMirrorHostVisuals(a_screen); |
| 1373 | is_ok = TRUE; |
| 1374 | out: |
| 1375 | EPHYR_LOG("leave\n"); |
| 1376 | return is_ok; |
| 1377 | } |