| 1 | /* |
| 2 | * Copyright © 2003 Keith Packard |
| 3 | * |
| 4 | * Permission to use, copy, modify, distribute, and sell this software and its |
| 5 | * documentation for any purpose is hereby granted without fee, provided that |
| 6 | * the above copyright notice appear in all copies and that both that |
| 7 | * copyright notice and this permission notice appear in supporting |
| 8 | * documentation, and that the name of Keith Packard not be used in |
| 9 | * advertising or publicity pertaining to distribution of the software without |
| 10 | * specific, written prior permission. Keith Packard makes no |
| 11 | * representations about the suitability of this software for any purpose. It |
| 12 | * is provided "as is" without express or implied warranty. |
| 13 | * |
| 14 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| 15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| 16 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| 17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 20 | * PERFORMANCE OF THIS SOFTWARE. |
| 21 | */ |
| 22 | |
| 23 | #ifdef HAVE_DIX_CONFIG_H |
| 24 | #include <dix-config.h> |
| 25 | #endif |
| 26 | |
| 27 | #include <stdlib.h> |
| 28 | |
| 29 | #include <X11/X.h> |
| 30 | #include "scrnintstr.h" |
| 31 | #include "windowstr.h" |
| 32 | #include <X11/fonts/font.h> |
| 33 | #include "dixfontstr.h" |
| 34 | #include <X11/fonts/fontstruct.h> |
| 35 | #include "mi.h" |
| 36 | #include "regionstr.h" |
| 37 | #include "globals.h" |
| 38 | #include "gcstruct.h" |
| 39 | #include "damage.h" |
| 40 | #include "damagestr.h" |
| 41 | |
| 42 | #define wrap(priv, real, mem, func) {\ |
| 43 | priv->mem = real->mem; \ |
| 44 | real->mem = func; \ |
| 45 | } |
| 46 | |
| 47 | #define unwrap(priv, real, mem) {\ |
| 48 | real->mem = priv->mem; \ |
| 49 | } |
| 50 | |
| 51 | #define BOX_SAME(a,b) \ |
| 52 | ((a)->x1 == (b)->x1 && \ |
| 53 | (a)->y1 == (b)->y1 && \ |
| 54 | (a)->x2 == (b)->x2 && \ |
| 55 | (a)->y2 == (b)->y2) |
| 56 | |
| 57 | #define DAMAGE_VALIDATE_ENABLE 0 |
| 58 | #define DAMAGE_DEBUG_ENABLE 0 |
| 59 | #if DAMAGE_DEBUG_ENABLE |
| 60 | #define DAMAGE_DEBUG(x) ErrorF x |
| 61 | #else |
| 62 | #define DAMAGE_DEBUG(x) |
| 63 | #endif |
| 64 | |
| 65 | #define getPixmapDamageRef(pPixmap) ((DamagePtr *) \ |
| 66 | dixLookupPrivateAddr(&(pPixmap)->devPrivates, damagePixPrivateKey)) |
| 67 | |
| 68 | #define pixmapDamage(pPixmap) damagePixPriv(pPixmap) |
| 69 | |
| 70 | static DevPrivateKeyRec damageScrPrivateKeyRec; |
| 71 | |
| 72 | #define damageScrPrivateKey (&damageScrPrivateKeyRec) |
| 73 | static DevPrivateKeyRec damagePixPrivateKeyRec; |
| 74 | |
| 75 | #define damagePixPrivateKey (&damagePixPrivateKeyRec) |
| 76 | static DevPrivateKeyRec damageGCPrivateKeyRec; |
| 77 | |
| 78 | #define damageGCPrivateKey (&damageGCPrivateKeyRec) |
| 79 | static DevPrivateKeyRec damageWinPrivateKeyRec; |
| 80 | |
| 81 | #define damageWinPrivateKey (&damageWinPrivateKeyRec) |
| 82 | |
| 83 | static DamagePtr * |
| 84 | getDrawableDamageRef(DrawablePtr pDrawable) |
| 85 | { |
| 86 | PixmapPtr pPixmap; |
| 87 | |
| 88 | if (WindowDrawable(pDrawable->type)) { |
| 89 | ScreenPtr pScreen = pDrawable->pScreen; |
| 90 | |
| 91 | pPixmap = 0; |
| 92 | if (pScreen->GetWindowPixmap |
| 93 | #ifdef ROOTLESS_WORKAROUND |
| 94 | && ((WindowPtr) pDrawable)->viewable |
| 95 | #endif |
| 96 | ) |
| 97 | pPixmap = (*pScreen->GetWindowPixmap) ((WindowPtr) pDrawable); |
| 98 | |
| 99 | if (!pPixmap) { |
| 100 | damageScrPriv(pScreen); |
| 101 | |
| 102 | return &pScrPriv->pScreenDamage; |
| 103 | } |
| 104 | } |
| 105 | else |
| 106 | pPixmap = (PixmapPtr) pDrawable; |
| 107 | return getPixmapDamageRef(pPixmap); |
| 108 | } |
| 109 | |
| 110 | #define getDrawableDamage(pDrawable) (*getDrawableDamageRef (pDrawable)) |
| 111 | #define getWindowDamage(pWin) getDrawableDamage(&(pWin)->drawable) |
| 112 | |
| 113 | #define drawableDamage(pDrawable) \ |
| 114 | DamagePtr pDamage = getDrawableDamage(pDrawable) |
| 115 | |
| 116 | #define windowDamage(pWin) drawableDamage(&(pWin)->drawable) |
| 117 | |
| 118 | #define winDamageRef(pWindow) \ |
| 119 | DamagePtr *pPrev = (DamagePtr *) \ |
| 120 | dixLookupPrivateAddr(&(pWindow)->devPrivates, damageWinPrivateKey) |
| 121 | |
| 122 | #if DAMAGE_DEBUG_ENABLE |
| 123 | static void |
| 124 | _damageRegionAppend(DrawablePtr pDrawable, RegionPtr pRegion, Bool clip, |
| 125 | int subWindowMode, const char *where) |
| 126 | #define damageRegionAppend(d,r,c,m) _damageRegionAppend(d,r,c,m,__FUNCTION__) |
| 127 | #else |
| 128 | static void |
| 129 | damageRegionAppend(DrawablePtr pDrawable, RegionPtr pRegion, Bool clip, |
| 130 | int subWindowMode) |
| 131 | #endif |
| 132 | { |
| 133 | ScreenPtr pScreen = pDrawable->pScreen; |
| 134 | |
| 135 | damageScrPriv(pScreen); |
| 136 | drawableDamage(pDrawable); |
| 137 | DamagePtr pNext; |
| 138 | RegionRec clippedRec; |
| 139 | RegionPtr pDamageRegion; |
| 140 | RegionRec pixClip; |
| 141 | int draw_x, draw_y; |
| 142 | |
| 143 | #ifdef COMPOSITE |
| 144 | int screen_x = 0, screen_y = 0; |
| 145 | #endif |
| 146 | |
| 147 | /* short circuit for empty regions */ |
| 148 | if (!RegionNotEmpty(pRegion)) |
| 149 | return; |
| 150 | |
| 151 | #ifdef COMPOSITE |
| 152 | /* |
| 153 | * When drawing to a pixmap which is storing window contents, |
| 154 | * the region presented is in pixmap relative coordinates which |
| 155 | * need to be converted to screen relative coordinates |
| 156 | */ |
| 157 | if (pDrawable->type != DRAWABLE_WINDOW) { |
| 158 | screen_x = ((PixmapPtr) pDrawable)->screen_x - pDrawable->x; |
| 159 | screen_y = ((PixmapPtr) pDrawable)->screen_y - pDrawable->y; |
| 160 | } |
| 161 | if (screen_x || screen_y) |
| 162 | RegionTranslate(pRegion, screen_x, screen_y); |
| 163 | #endif |
| 164 | |
| 165 | if (pDrawable->type == DRAWABLE_WINDOW && |
| 166 | ((WindowPtr) (pDrawable))->backingStore == NotUseful) { |
| 167 | if (subWindowMode == ClipByChildren) { |
| 168 | RegionIntersect(pRegion, pRegion, |
| 169 | &((WindowPtr) (pDrawable))->clipList); |
| 170 | } |
| 171 | else if (subWindowMode == IncludeInferiors) { |
| 172 | RegionPtr pTempRegion = |
| 173 | NotClippedByChildren((WindowPtr) (pDrawable)); |
| 174 | RegionIntersect(pRegion, pRegion, pTempRegion); |
| 175 | RegionDestroy(pTempRegion); |
| 176 | } |
| 177 | /* If subWindowMode is set to an invalid value, don't perform |
| 178 | * any drawable-based clipping. */ |
| 179 | } |
| 180 | |
| 181 | RegionNull(&clippedRec); |
| 182 | for (; pDamage; pDamage = pNext) { |
| 183 | pNext = pDamage->pNext; |
| 184 | /* |
| 185 | * Check for internal damage and don't send events |
| 186 | */ |
| 187 | if (pScrPriv->internalLevel > 0 && !pDamage->isInternal) { |
| 188 | DAMAGE_DEBUG(("non internal damage, skipping at %d\n", |
| 189 | pScrPriv->internalLevel)); |
| 190 | continue; |
| 191 | } |
| 192 | /* |
| 193 | * Check for unrealized windows |
| 194 | */ |
| 195 | if (pDamage->pDrawable->type == DRAWABLE_WINDOW && |
| 196 | !((WindowPtr) (pDamage->pDrawable))->realized) { |
| 197 | continue; |
| 198 | } |
| 199 | |
| 200 | draw_x = pDamage->pDrawable->x; |
| 201 | draw_y = pDamage->pDrawable->y; |
| 202 | #ifdef COMPOSITE |
| 203 | /* |
| 204 | * Need to move everyone to screen coordinates |
| 205 | * XXX what about off-screen pixmaps with non-zero x/y? |
| 206 | */ |
| 207 | if (!WindowDrawable(pDamage->pDrawable->type)) { |
| 208 | draw_x += ((PixmapPtr) pDamage->pDrawable)->screen_x; |
| 209 | draw_y += ((PixmapPtr) pDamage->pDrawable)->screen_y; |
| 210 | } |
| 211 | #endif |
| 212 | |
| 213 | /* |
| 214 | * Clip against border or pixmap bounds |
| 215 | */ |
| 216 | |
| 217 | pDamageRegion = pRegion; |
| 218 | if (clip || pDamage->pDrawable != pDrawable) { |
| 219 | pDamageRegion = &clippedRec; |
| 220 | if (pDamage->pDrawable->type == DRAWABLE_WINDOW) { |
| 221 | RegionIntersect(pDamageRegion, pRegion, |
| 222 | &((WindowPtr) (pDamage->pDrawable))-> |
| 223 | borderClip); |
| 224 | } |
| 225 | else { |
| 226 | BoxRec box; |
| 227 | |
| 228 | box.x1 = draw_x; |
| 229 | box.y1 = draw_y; |
| 230 | box.x2 = draw_x + pDamage->pDrawable->width; |
| 231 | box.y2 = draw_y + pDamage->pDrawable->height; |
| 232 | RegionInit(&pixClip, &box, 1); |
| 233 | RegionIntersect(pDamageRegion, pRegion, &pixClip); |
| 234 | RegionUninit(&pixClip); |
| 235 | } |
| 236 | /* |
| 237 | * Short circuit empty results |
| 238 | */ |
| 239 | if (!RegionNotEmpty(pDamageRegion)) |
| 240 | continue; |
| 241 | } |
| 242 | |
| 243 | DAMAGE_DEBUG(("%s %d x %d +%d +%d (target 0x%lx monitor 0x%lx)\n", |
| 244 | where, |
| 245 | pDamageRegion->extents.x2 - pDamageRegion->extents.x1, |
| 246 | pDamageRegion->extents.y2 - pDamageRegion->extents.y1, |
| 247 | pDamageRegion->extents.x1, pDamageRegion->extents.y1, |
| 248 | pDrawable->id, pDamage->pDrawable->id)); |
| 249 | |
| 250 | /* |
| 251 | * Move region to target coordinate space |
| 252 | */ |
| 253 | if (draw_x || draw_y) |
| 254 | RegionTranslate(pDamageRegion, -draw_x, -draw_y); |
| 255 | |
| 256 | /* Store damage region if needed after submission. */ |
| 257 | if (pDamage->reportAfter) |
| 258 | RegionUnion(&pDamage->pendingDamage, |
| 259 | &pDamage->pendingDamage, pDamageRegion); |
| 260 | |
| 261 | /* Report damage now, if desired. */ |
| 262 | if (!pDamage->reportAfter) { |
| 263 | if (pDamage->damageReport) |
| 264 | DamageReportDamage(pDamage, pDamageRegion); |
| 265 | else |
| 266 | RegionUnion(&pDamage->damage, &pDamage->damage, pDamageRegion); |
| 267 | } |
| 268 | |
| 269 | /* |
| 270 | * translate original region back |
| 271 | */ |
| 272 | if (pDamageRegion == pRegion && (draw_x || draw_y)) |
| 273 | RegionTranslate(pDamageRegion, draw_x, draw_y); |
| 274 | } |
| 275 | #ifdef COMPOSITE |
| 276 | if (screen_x || screen_y) |
| 277 | RegionTranslate(pRegion, -screen_x, -screen_y); |
| 278 | #endif |
| 279 | |
| 280 | RegionUninit(&clippedRec); |
| 281 | } |
| 282 | |
| 283 | static void |
| 284 | damageRegionProcessPending(DrawablePtr pDrawable) |
| 285 | { |
| 286 | drawableDamage(pDrawable); |
| 287 | |
| 288 | for (; pDamage != NULL; pDamage = pDamage->pNext) { |
| 289 | if (pDamage->reportAfter) { |
| 290 | /* It's possible that there is only interest in postRendering reporting. */ |
| 291 | if (pDamage->damageReport) |
| 292 | DamageReportDamage(pDamage, &pDamage->pendingDamage); |
| 293 | else |
| 294 | RegionUnion(&pDamage->damage, &pDamage->damage, |
| 295 | &pDamage->pendingDamage); |
| 296 | } |
| 297 | |
| 298 | if (pDamage->reportAfter) |
| 299 | RegionEmpty(&pDamage->pendingDamage); |
| 300 | } |
| 301 | |
| 302 | } |
| 303 | |
| 304 | #if DAMAGE_DEBUG_ENABLE |
| 305 | #define damageDamageBox(d,b,m) _damageDamageBox(d,b,m,__FUNCTION__) |
| 306 | static void |
| 307 | _damageDamageBox(DrawablePtr pDrawable, BoxPtr pBox, int subWindowMode, |
| 308 | const char *where) |
| 309 | #else |
| 310 | static void |
| 311 | damageDamageBox(DrawablePtr pDrawable, BoxPtr pBox, int subWindowMode) |
| 312 | #endif |
| 313 | { |
| 314 | RegionRec region; |
| 315 | |
| 316 | RegionInit(®ion, pBox, 1); |
| 317 | #if DAMAGE_DEBUG_ENABLE |
| 318 | _damageRegionAppend(pDrawable, ®ion, TRUE, subWindowMode, where); |
| 319 | #else |
| 320 | damageRegionAppend(pDrawable, ®ion, TRUE, subWindowMode); |
| 321 | #endif |
| 322 | RegionUninit(®ion); |
| 323 | } |
| 324 | |
| 325 | static void damageValidateGC(GCPtr, unsigned long, DrawablePtr); |
| 326 | static void damageChangeGC(GCPtr, unsigned long); |
| 327 | static void damageCopyGC(GCPtr, unsigned long, GCPtr); |
| 328 | static void damageDestroyGC(GCPtr); |
| 329 | static void damageChangeClip(GCPtr, int, pointer, int); |
| 330 | static void damageDestroyClip(GCPtr); |
| 331 | static void damageCopyClip(GCPtr, GCPtr); |
| 332 | |
| 333 | static GCFuncs damageGCFuncs = { |
| 334 | damageValidateGC, damageChangeGC, damageCopyGC, damageDestroyGC, |
| 335 | damageChangeClip, damageDestroyClip, damageCopyClip |
| 336 | }; |
| 337 | |
| 338 | static GCOps damageGCOps; |
| 339 | |
| 340 | static Bool |
| 341 | damageCreateGC(GCPtr pGC) |
| 342 | { |
| 343 | ScreenPtr pScreen = pGC->pScreen; |
| 344 | |
| 345 | damageScrPriv(pScreen); |
| 346 | damageGCPriv(pGC); |
| 347 | Bool ret; |
| 348 | |
| 349 | unwrap(pScrPriv, pScreen, CreateGC); |
| 350 | if ((ret = (*pScreen->CreateGC) (pGC))) { |
| 351 | pGCPriv->ops = NULL; |
| 352 | pGCPriv->funcs = pGC->funcs; |
| 353 | pGC->funcs = &damageGCFuncs; |
| 354 | } |
| 355 | wrap(pScrPriv, pScreen, CreateGC, damageCreateGC); |
| 356 | |
| 357 | return ret; |
| 358 | } |
| 359 | |
| 360 | #define DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable) \ |
| 361 | damageGCPriv(pGC); \ |
| 362 | GCFuncs *oldFuncs = pGC->funcs; \ |
| 363 | unwrap(pGCPriv, pGC, funcs); \ |
| 364 | unwrap(pGCPriv, pGC, ops); \ |
| 365 | |
| 366 | #define DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable) \ |
| 367 | wrap(pGCPriv, pGC, funcs, oldFuncs); \ |
| 368 | wrap(pGCPriv, pGC, ops, &damageGCOps) |
| 369 | |
| 370 | #define DAMAGE_GC_FUNC_PROLOGUE(pGC) \ |
| 371 | damageGCPriv(pGC); \ |
| 372 | unwrap(pGCPriv, pGC, funcs); \ |
| 373 | if (pGCPriv->ops) unwrap(pGCPriv, pGC, ops) |
| 374 | |
| 375 | #define DAMAGE_GC_FUNC_EPILOGUE(pGC) \ |
| 376 | wrap(pGCPriv, pGC, funcs, &damageGCFuncs); \ |
| 377 | if (pGCPriv->ops) wrap(pGCPriv, pGC, ops, &damageGCOps) |
| 378 | |
| 379 | static void |
| 380 | damageValidateGC(GCPtr pGC, unsigned long changes, DrawablePtr pDrawable) |
| 381 | { |
| 382 | drawableDamage(pDrawable); |
| 383 | DAMAGE_GC_FUNC_PROLOGUE(pGC); |
| 384 | (*pGC->funcs->ValidateGC) (pGC, changes, pDrawable); |
| 385 | pGCPriv->ops = pGC->ops; /* just so it's not NULL */ |
| 386 | DAMAGE_GC_FUNC_EPILOGUE(pGC); |
| 387 | } |
| 388 | |
| 389 | static void |
| 390 | damageDestroyGC(GCPtr pGC) |
| 391 | { |
| 392 | DAMAGE_GC_FUNC_PROLOGUE(pGC); |
| 393 | (*pGC->funcs->DestroyGC) (pGC); |
| 394 | DAMAGE_GC_FUNC_EPILOGUE(pGC); |
| 395 | } |
| 396 | |
| 397 | static void |
| 398 | damageChangeGC(GCPtr pGC, unsigned long mask) |
| 399 | { |
| 400 | DAMAGE_GC_FUNC_PROLOGUE(pGC); |
| 401 | (*pGC->funcs->ChangeGC) (pGC, mask); |
| 402 | DAMAGE_GC_FUNC_EPILOGUE(pGC); |
| 403 | } |
| 404 | |
| 405 | static void |
| 406 | damageCopyGC(GCPtr pGCSrc, unsigned long mask, GCPtr pGCDst) |
| 407 | { |
| 408 | DAMAGE_GC_FUNC_PROLOGUE(pGCDst); |
| 409 | (*pGCDst->funcs->CopyGC) (pGCSrc, mask, pGCDst); |
| 410 | DAMAGE_GC_FUNC_EPILOGUE(pGCDst); |
| 411 | } |
| 412 | |
| 413 | static void |
| 414 | damageChangeClip(GCPtr pGC, int type, pointer pvalue, int nrects) |
| 415 | { |
| 416 | DAMAGE_GC_FUNC_PROLOGUE(pGC); |
| 417 | (*pGC->funcs->ChangeClip) (pGC, type, pvalue, nrects); |
| 418 | DAMAGE_GC_FUNC_EPILOGUE(pGC); |
| 419 | } |
| 420 | |
| 421 | static void |
| 422 | damageCopyClip(GCPtr pgcDst, GCPtr pgcSrc) |
| 423 | { |
| 424 | DAMAGE_GC_FUNC_PROLOGUE(pgcDst); |
| 425 | (*pgcDst->funcs->CopyClip) (pgcDst, pgcSrc); |
| 426 | DAMAGE_GC_FUNC_EPILOGUE(pgcDst); |
| 427 | } |
| 428 | |
| 429 | static void |
| 430 | damageDestroyClip(GCPtr pGC) |
| 431 | { |
| 432 | DAMAGE_GC_FUNC_PROLOGUE(pGC); |
| 433 | (*pGC->funcs->DestroyClip) (pGC); |
| 434 | DAMAGE_GC_FUNC_EPILOGUE(pGC); |
| 435 | } |
| 436 | |
| 437 | #define TRIM_BOX(box, pGC) if (pGC->pCompositeClip) { \ |
| 438 | BoxPtr extents = &pGC->pCompositeClip->extents;\ |
| 439 | if(box.x1 < extents->x1) box.x1 = extents->x1; \ |
| 440 | if(box.x2 > extents->x2) box.x2 = extents->x2; \ |
| 441 | if(box.y1 < extents->y1) box.y1 = extents->y1; \ |
| 442 | if(box.y2 > extents->y2) box.y2 = extents->y2; \ |
| 443 | } |
| 444 | |
| 445 | #define TRANSLATE_BOX(box, pDrawable) { \ |
| 446 | box.x1 += pDrawable->x; \ |
| 447 | box.x2 += pDrawable->x; \ |
| 448 | box.y1 += pDrawable->y; \ |
| 449 | box.y2 += pDrawable->y; \ |
| 450 | } |
| 451 | |
| 452 | #define TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC) { \ |
| 453 | TRANSLATE_BOX(box, pDrawable); \ |
| 454 | TRIM_BOX(box, pGC); \ |
| 455 | } |
| 456 | |
| 457 | #define BOX_NOT_EMPTY(box) \ |
| 458 | (((box.x2 - box.x1) > 0) && ((box.y2 - box.y1) > 0)) |
| 459 | |
| 460 | #define checkGCDamage(d,g) (getDrawableDamage(d) && \ |
| 461 | (!g->pCompositeClip ||\ |
| 462 | RegionNotEmpty(g->pCompositeClip))) |
| 463 | |
| 464 | #define TRIM_PICTURE_BOX(box, pDst) { \ |
| 465 | BoxPtr extents = &pDst->pCompositeClip->extents;\ |
| 466 | if(box.x1 < extents->x1) box.x1 = extents->x1; \ |
| 467 | if(box.x2 > extents->x2) box.x2 = extents->x2; \ |
| 468 | if(box.y1 < extents->y1) box.y1 = extents->y1; \ |
| 469 | if(box.y2 > extents->y2) box.y2 = extents->y2; \ |
| 470 | } |
| 471 | |
| 472 | #define checkPictureDamage(p) (getDrawableDamage(p->pDrawable) && \ |
| 473 | RegionNotEmpty(p->pCompositeClip)) |
| 474 | |
| 475 | static void |
| 476 | damageComposite(CARD8 op, |
| 477 | PicturePtr pSrc, |
| 478 | PicturePtr pMask, |
| 479 | PicturePtr pDst, |
| 480 | INT16 xSrc, |
| 481 | INT16 ySrc, |
| 482 | INT16 xMask, |
| 483 | INT16 yMask, |
| 484 | INT16 xDst, INT16 yDst, CARD16 width, CARD16 height) |
| 485 | { |
| 486 | ScreenPtr pScreen = pDst->pDrawable->pScreen; |
| 487 | PictureScreenPtr ps = GetPictureScreen(pScreen); |
| 488 | |
| 489 | damageScrPriv(pScreen); |
| 490 | |
| 491 | if (checkPictureDamage(pDst)) { |
| 492 | BoxRec box; |
| 493 | |
| 494 | box.x1 = xDst + pDst->pDrawable->x; |
| 495 | box.y1 = yDst + pDst->pDrawable->y; |
| 496 | box.x2 = box.x1 + width; |
| 497 | box.y2 = box.y1 + height; |
| 498 | TRIM_PICTURE_BOX(box, pDst); |
| 499 | if (BOX_NOT_EMPTY(box)) |
| 500 | damageDamageBox(pDst->pDrawable, &box, pDst->subWindowMode); |
| 501 | } |
| 502 | unwrap(pScrPriv, ps, Composite); |
| 503 | (*ps->Composite) (op, |
| 504 | pSrc, |
| 505 | pMask, |
| 506 | pDst, |
| 507 | xSrc, ySrc, xMask, yMask, xDst, yDst, width, height); |
| 508 | damageRegionProcessPending(pDst->pDrawable); |
| 509 | wrap(pScrPriv, ps, Composite, damageComposite); |
| 510 | } |
| 511 | |
| 512 | static void |
| 513 | damageGlyphs(CARD8 op, |
| 514 | PicturePtr pSrc, |
| 515 | PicturePtr pDst, |
| 516 | PictFormatPtr maskFormat, |
| 517 | INT16 xSrc, |
| 518 | INT16 ySrc, int nlist, GlyphListPtr list, GlyphPtr * glyphs) |
| 519 | { |
| 520 | ScreenPtr pScreen = pDst->pDrawable->pScreen; |
| 521 | PictureScreenPtr ps = GetPictureScreen(pScreen); |
| 522 | |
| 523 | damageScrPriv(pScreen); |
| 524 | |
| 525 | if (checkPictureDamage(pDst)) { |
| 526 | int nlistTmp = nlist; |
| 527 | GlyphListPtr listTmp = list; |
| 528 | GlyphPtr *glyphsTmp = glyphs; |
| 529 | int x, y; |
| 530 | int n; |
| 531 | GlyphPtr glyph; |
| 532 | BoxRec box; |
| 533 | int x1, y1, x2, y2; |
| 534 | |
| 535 | box.x1 = 32767; |
| 536 | box.y1 = 32767; |
| 537 | box.x2 = -32767; |
| 538 | box.y2 = -32767; |
| 539 | x = pDst->pDrawable->x; |
| 540 | y = pDst->pDrawable->y; |
| 541 | while (nlistTmp--) { |
| 542 | x += listTmp->xOff; |
| 543 | y += listTmp->yOff; |
| 544 | n = listTmp->len; |
| 545 | while (n--) { |
| 546 | glyph = *glyphsTmp++; |
| 547 | x1 = x - glyph->info.x; |
| 548 | y1 = y - glyph->info.y; |
| 549 | x2 = x1 + glyph->info.width; |
| 550 | y2 = y1 + glyph->info.height; |
| 551 | if (x1 < box.x1) |
| 552 | box.x1 = x1; |
| 553 | if (y1 < box.y1) |
| 554 | box.y1 = y1; |
| 555 | if (x2 > box.x2) |
| 556 | box.x2 = x2; |
| 557 | if (y2 > box.y2) |
| 558 | box.y2 = y2; |
| 559 | x += glyph->info.xOff; |
| 560 | y += glyph->info.yOff; |
| 561 | } |
| 562 | listTmp++; |
| 563 | } |
| 564 | TRIM_PICTURE_BOX(box, pDst); |
| 565 | if (BOX_NOT_EMPTY(box)) |
| 566 | damageDamageBox(pDst->pDrawable, &box, pDst->subWindowMode); |
| 567 | } |
| 568 | unwrap(pScrPriv, ps, Glyphs); |
| 569 | (*ps->Glyphs) (op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs); |
| 570 | damageRegionProcessPending(pDst->pDrawable); |
| 571 | wrap(pScrPriv, ps, Glyphs, damageGlyphs); |
| 572 | } |
| 573 | |
| 574 | static void |
| 575 | damageAddTraps(PicturePtr pPicture, |
| 576 | INT16 x_off, INT16 y_off, int ntrap, xTrap * traps) |
| 577 | { |
| 578 | ScreenPtr pScreen = pPicture->pDrawable->pScreen; |
| 579 | PictureScreenPtr ps = GetPictureScreen(pScreen); |
| 580 | |
| 581 | damageScrPriv(pScreen); |
| 582 | |
| 583 | if (checkPictureDamage(pPicture)) { |
| 584 | BoxRec box; |
| 585 | int i; |
| 586 | int x, y; |
| 587 | xTrap *t = traps; |
| 588 | |
| 589 | box.x1 = 32767; |
| 590 | box.y1 = 32767; |
| 591 | box.x2 = -32767; |
| 592 | box.y2 = -32767; |
| 593 | x = pPicture->pDrawable->x + x_off; |
| 594 | y = pPicture->pDrawable->y + y_off; |
| 595 | for (i = 0; i < ntrap; i++) { |
| 596 | pixman_fixed_t l = min(t->top.l, t->bot.l); |
| 597 | pixman_fixed_t r = max(t->top.r, t->bot.r); |
| 598 | int x1 = x + pixman_fixed_to_int(l); |
| 599 | int x2 = x + pixman_fixed_to_int(pixman_fixed_ceil(r)); |
| 600 | int y1 = y + pixman_fixed_to_int(t->top.y); |
| 601 | int y2 = y + pixman_fixed_to_int(pixman_fixed_ceil(t->bot.y)); |
| 602 | |
| 603 | if (x1 < box.x1) |
| 604 | box.x1 = x1; |
| 605 | if (x2 > box.x2) |
| 606 | box.x2 = x2; |
| 607 | if (y1 < box.y1) |
| 608 | box.y1 = y1; |
| 609 | if (y2 > box.y2) |
| 610 | box.y2 = y2; |
| 611 | } |
| 612 | TRIM_PICTURE_BOX(box, pPicture); |
| 613 | if (BOX_NOT_EMPTY(box)) |
| 614 | damageDamageBox(pPicture->pDrawable, &box, pPicture->subWindowMode); |
| 615 | } |
| 616 | unwrap(pScrPriv, ps, AddTraps); |
| 617 | (*ps->AddTraps) (pPicture, x_off, y_off, ntrap, traps); |
| 618 | damageRegionProcessPending(pPicture->pDrawable); |
| 619 | wrap(pScrPriv, ps, AddTraps, damageAddTraps); |
| 620 | } |
| 621 | |
| 622 | /**********************************************************/ |
| 623 | |
| 624 | static void |
| 625 | damageFillSpans(DrawablePtr pDrawable, |
| 626 | GC * pGC, int npt, DDXPointPtr ppt, int *pwidth, int fSorted) |
| 627 | { |
| 628 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 629 | |
| 630 | if (npt && checkGCDamage(pDrawable, pGC)) { |
| 631 | int nptTmp = npt; |
| 632 | DDXPointPtr pptTmp = ppt; |
| 633 | int *pwidthTmp = pwidth; |
| 634 | BoxRec box; |
| 635 | |
| 636 | box.x1 = pptTmp->x; |
| 637 | box.x2 = box.x1 + *pwidthTmp; |
| 638 | box.y2 = box.y1 = pptTmp->y; |
| 639 | |
| 640 | while (--nptTmp) { |
| 641 | pptTmp++; |
| 642 | pwidthTmp++; |
| 643 | if (box.x1 > pptTmp->x) |
| 644 | box.x1 = pptTmp->x; |
| 645 | if (box.x2 < (pptTmp->x + *pwidthTmp)) |
| 646 | box.x2 = pptTmp->x + *pwidthTmp; |
| 647 | if (box.y1 > pptTmp->y) |
| 648 | box.y1 = pptTmp->y; |
| 649 | else if (box.y2 < pptTmp->y) |
| 650 | box.y2 = pptTmp->y; |
| 651 | } |
| 652 | |
| 653 | box.y2++; |
| 654 | |
| 655 | if (!pGC->miTranslate) { |
| 656 | TRANSLATE_BOX(box, pDrawable); |
| 657 | } |
| 658 | TRIM_BOX(box, pGC); |
| 659 | |
| 660 | if (BOX_NOT_EMPTY(box)) |
| 661 | damageDamageBox(pDrawable, &box, pGC->subWindowMode); |
| 662 | } |
| 663 | |
| 664 | (*pGC->ops->FillSpans) (pDrawable, pGC, npt, ppt, pwidth, fSorted); |
| 665 | |
| 666 | damageRegionProcessPending(pDrawable); |
| 667 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 668 | } |
| 669 | |
| 670 | static void |
| 671 | damageSetSpans(DrawablePtr pDrawable, |
| 672 | GCPtr pGC, |
| 673 | char *pcharsrc, |
| 674 | DDXPointPtr ppt, int *pwidth, int npt, int fSorted) |
| 675 | { |
| 676 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 677 | |
| 678 | if (npt && checkGCDamage(pDrawable, pGC)) { |
| 679 | DDXPointPtr pptTmp = ppt; |
| 680 | int *pwidthTmp = pwidth; |
| 681 | int nptTmp = npt; |
| 682 | BoxRec box; |
| 683 | |
| 684 | box.x1 = pptTmp->x; |
| 685 | box.x2 = box.x1 + *pwidthTmp; |
| 686 | box.y2 = box.y1 = pptTmp->y; |
| 687 | |
| 688 | while (--nptTmp) { |
| 689 | pptTmp++; |
| 690 | pwidthTmp++; |
| 691 | if (box.x1 > pptTmp->x) |
| 692 | box.x1 = pptTmp->x; |
| 693 | if (box.x2 < (pptTmp->x + *pwidthTmp)) |
| 694 | box.x2 = pptTmp->x + *pwidthTmp; |
| 695 | if (box.y1 > pptTmp->y) |
| 696 | box.y1 = pptTmp->y; |
| 697 | else if (box.y2 < pptTmp->y) |
| 698 | box.y2 = pptTmp->y; |
| 699 | } |
| 700 | |
| 701 | box.y2++; |
| 702 | |
| 703 | if (!pGC->miTranslate) { |
| 704 | TRANSLATE_BOX(box, pDrawable); |
| 705 | } |
| 706 | TRIM_BOX(box, pGC); |
| 707 | |
| 708 | if (BOX_NOT_EMPTY(box)) |
| 709 | damageDamageBox(pDrawable, &box, pGC->subWindowMode); |
| 710 | } |
| 711 | (*pGC->ops->SetSpans) (pDrawable, pGC, pcharsrc, ppt, pwidth, npt, fSorted); |
| 712 | damageRegionProcessPending(pDrawable); |
| 713 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 714 | } |
| 715 | |
| 716 | static void |
| 717 | damagePutImage(DrawablePtr pDrawable, |
| 718 | GCPtr pGC, |
| 719 | int depth, |
| 720 | int x, |
| 721 | int y, int w, int h, int leftPad, int format, char *pImage) |
| 722 | { |
| 723 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 724 | if (checkGCDamage(pDrawable, pGC)) { |
| 725 | BoxRec box; |
| 726 | |
| 727 | box.x1 = x + pDrawable->x; |
| 728 | box.x2 = box.x1 + w; |
| 729 | box.y1 = y + pDrawable->y; |
| 730 | box.y2 = box.y1 + h; |
| 731 | |
| 732 | TRIM_BOX(box, pGC); |
| 733 | if (BOX_NOT_EMPTY(box)) |
| 734 | damageDamageBox(pDrawable, &box, pGC->subWindowMode); |
| 735 | } |
| 736 | (*pGC->ops->PutImage) (pDrawable, pGC, depth, x, y, w, h, |
| 737 | leftPad, format, pImage); |
| 738 | damageRegionProcessPending(pDrawable); |
| 739 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 740 | } |
| 741 | |
| 742 | static RegionPtr |
| 743 | damageCopyArea(DrawablePtr pSrc, |
| 744 | DrawablePtr pDst, |
| 745 | GC * pGC, |
| 746 | int srcx, int srcy, int width, int height, int dstx, int dsty) |
| 747 | { |
| 748 | RegionPtr ret; |
| 749 | |
| 750 | DAMAGE_GC_OP_PROLOGUE(pGC, pDst); |
| 751 | |
| 752 | if (checkGCDamage(pDst, pGC)) { |
| 753 | BoxRec box; |
| 754 | |
| 755 | box.x1 = dstx + pDst->x; |
| 756 | box.x2 = box.x1 + width; |
| 757 | box.y1 = dsty + pDst->y; |
| 758 | box.y2 = box.y1 + height; |
| 759 | |
| 760 | TRIM_BOX(box, pGC); |
| 761 | if (BOX_NOT_EMPTY(box)) |
| 762 | damageDamageBox(pDst, &box, pGC->subWindowMode); |
| 763 | } |
| 764 | |
| 765 | ret = (*pGC->ops->CopyArea) (pSrc, pDst, |
| 766 | pGC, srcx, srcy, width, height, dstx, dsty); |
| 767 | damageRegionProcessPending(pDst); |
| 768 | DAMAGE_GC_OP_EPILOGUE(pGC, pDst); |
| 769 | return ret; |
| 770 | } |
| 771 | |
| 772 | static RegionPtr |
| 773 | damageCopyPlane(DrawablePtr pSrc, |
| 774 | DrawablePtr pDst, |
| 775 | GCPtr pGC, |
| 776 | int srcx, |
| 777 | int srcy, |
| 778 | int width, |
| 779 | int height, int dstx, int dsty, unsigned long bitPlane) |
| 780 | { |
| 781 | RegionPtr ret; |
| 782 | |
| 783 | DAMAGE_GC_OP_PROLOGUE(pGC, pDst); |
| 784 | |
| 785 | if (checkGCDamage(pDst, pGC)) { |
| 786 | BoxRec box; |
| 787 | |
| 788 | box.x1 = dstx + pDst->x; |
| 789 | box.x2 = box.x1 + width; |
| 790 | box.y1 = dsty + pDst->y; |
| 791 | box.y2 = box.y1 + height; |
| 792 | |
| 793 | TRIM_BOX(box, pGC); |
| 794 | if (BOX_NOT_EMPTY(box)) |
| 795 | damageDamageBox(pDst, &box, pGC->subWindowMode); |
| 796 | } |
| 797 | |
| 798 | ret = (*pGC->ops->CopyPlane) (pSrc, pDst, |
| 799 | pGC, srcx, srcy, width, height, dstx, dsty, |
| 800 | bitPlane); |
| 801 | damageRegionProcessPending(pDst); |
| 802 | DAMAGE_GC_OP_EPILOGUE(pGC, pDst); |
| 803 | return ret; |
| 804 | } |
| 805 | |
| 806 | static void |
| 807 | damagePolyPoint(DrawablePtr pDrawable, |
| 808 | GCPtr pGC, int mode, int npt, xPoint * ppt) |
| 809 | { |
| 810 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 811 | |
| 812 | if (npt && checkGCDamage(pDrawable, pGC)) { |
| 813 | BoxRec box; |
| 814 | int nptTmp = npt; |
| 815 | xPoint *pptTmp = ppt; |
| 816 | |
| 817 | box.x2 = box.x1 = pptTmp->x; |
| 818 | box.y2 = box.y1 = pptTmp->y; |
| 819 | |
| 820 | /* this could be slow if the points were spread out */ |
| 821 | |
| 822 | while (--nptTmp) { |
| 823 | pptTmp++; |
| 824 | if (box.x1 > pptTmp->x) |
| 825 | box.x1 = pptTmp->x; |
| 826 | else if (box.x2 < pptTmp->x) |
| 827 | box.x2 = pptTmp->x; |
| 828 | if (box.y1 > pptTmp->y) |
| 829 | box.y1 = pptTmp->y; |
| 830 | else if (box.y2 < pptTmp->y) |
| 831 | box.y2 = pptTmp->y; |
| 832 | } |
| 833 | |
| 834 | box.x2++; |
| 835 | box.y2++; |
| 836 | |
| 837 | TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC); |
| 838 | if (BOX_NOT_EMPTY(box)) |
| 839 | damageDamageBox(pDrawable, &box, pGC->subWindowMode); |
| 840 | } |
| 841 | (*pGC->ops->PolyPoint) (pDrawable, pGC, mode, npt, ppt); |
| 842 | damageRegionProcessPending(pDrawable); |
| 843 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 844 | } |
| 845 | |
| 846 | static void |
| 847 | damagePolylines(DrawablePtr pDrawable, |
| 848 | GCPtr pGC, int mode, int npt, DDXPointPtr ppt) |
| 849 | { |
| 850 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 851 | |
| 852 | if (npt && checkGCDamage(pDrawable, pGC)) { |
| 853 | int nptTmp = npt; |
| 854 | DDXPointPtr pptTmp = ppt; |
| 855 | BoxRec box; |
| 856 | int extra = pGC->lineWidth >> 1; |
| 857 | |
| 858 | box.x2 = box.x1 = pptTmp->x; |
| 859 | box.y2 = box.y1 = pptTmp->y; |
| 860 | |
| 861 | if (nptTmp > 1) { |
| 862 | if (pGC->joinStyle == JoinMiter) |
| 863 | extra = 6 * pGC->lineWidth; |
| 864 | else if (pGC->capStyle == CapProjecting) |
| 865 | extra = pGC->lineWidth; |
| 866 | } |
| 867 | |
| 868 | if (mode == CoordModePrevious) { |
| 869 | int x = box.x1; |
| 870 | int y = box.y1; |
| 871 | |
| 872 | while (--nptTmp) { |
| 873 | pptTmp++; |
| 874 | x += pptTmp->x; |
| 875 | y += pptTmp->y; |
| 876 | if (box.x1 > x) |
| 877 | box.x1 = x; |
| 878 | else if (box.x2 < x) |
| 879 | box.x2 = x; |
| 880 | if (box.y1 > y) |
| 881 | box.y1 = y; |
| 882 | else if (box.y2 < y) |
| 883 | box.y2 = y; |
| 884 | } |
| 885 | } |
| 886 | else { |
| 887 | while (--nptTmp) { |
| 888 | pptTmp++; |
| 889 | if (box.x1 > pptTmp->x) |
| 890 | box.x1 = pptTmp->x; |
| 891 | else if (box.x2 < pptTmp->x) |
| 892 | box.x2 = pptTmp->x; |
| 893 | if (box.y1 > pptTmp->y) |
| 894 | box.y1 = pptTmp->y; |
| 895 | else if (box.y2 < pptTmp->y) |
| 896 | box.y2 = pptTmp->y; |
| 897 | } |
| 898 | } |
| 899 | |
| 900 | box.x2++; |
| 901 | box.y2++; |
| 902 | |
| 903 | if (extra) { |
| 904 | box.x1 -= extra; |
| 905 | box.x2 += extra; |
| 906 | box.y1 -= extra; |
| 907 | box.y2 += extra; |
| 908 | } |
| 909 | |
| 910 | TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC); |
| 911 | if (BOX_NOT_EMPTY(box)) |
| 912 | damageDamageBox(pDrawable, &box, pGC->subWindowMode); |
| 913 | } |
| 914 | (*pGC->ops->Polylines) (pDrawable, pGC, mode, npt, ppt); |
| 915 | damageRegionProcessPending(pDrawable); |
| 916 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 917 | } |
| 918 | |
| 919 | static void |
| 920 | damagePolySegment(DrawablePtr pDrawable, GCPtr pGC, int nSeg, xSegment * pSeg) |
| 921 | { |
| 922 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 923 | |
| 924 | if (nSeg && checkGCDamage(pDrawable, pGC)) { |
| 925 | BoxRec box; |
| 926 | int extra = pGC->lineWidth; |
| 927 | int nsegTmp = nSeg; |
| 928 | xSegment *pSegTmp = pSeg; |
| 929 | |
| 930 | if (pGC->capStyle != CapProjecting) |
| 931 | extra >>= 1; |
| 932 | |
| 933 | if (pSegTmp->x2 > pSegTmp->x1) { |
| 934 | box.x1 = pSegTmp->x1; |
| 935 | box.x2 = pSegTmp->x2; |
| 936 | } |
| 937 | else { |
| 938 | box.x2 = pSegTmp->x1; |
| 939 | box.x1 = pSegTmp->x2; |
| 940 | } |
| 941 | |
| 942 | if (pSegTmp->y2 > pSegTmp->y1) { |
| 943 | box.y1 = pSegTmp->y1; |
| 944 | box.y2 = pSegTmp->y2; |
| 945 | } |
| 946 | else { |
| 947 | box.y2 = pSegTmp->y1; |
| 948 | box.y1 = pSegTmp->y2; |
| 949 | } |
| 950 | |
| 951 | while (--nsegTmp) { |
| 952 | pSegTmp++; |
| 953 | if (pSegTmp->x2 > pSegTmp->x1) { |
| 954 | if (pSegTmp->x1 < box.x1) |
| 955 | box.x1 = pSegTmp->x1; |
| 956 | if (pSegTmp->x2 > box.x2) |
| 957 | box.x2 = pSegTmp->x2; |
| 958 | } |
| 959 | else { |
| 960 | if (pSegTmp->x2 < box.x1) |
| 961 | box.x1 = pSegTmp->x2; |
| 962 | if (pSegTmp->x1 > box.x2) |
| 963 | box.x2 = pSegTmp->x1; |
| 964 | } |
| 965 | if (pSegTmp->y2 > pSegTmp->y1) { |
| 966 | if (pSegTmp->y1 < box.y1) |
| 967 | box.y1 = pSegTmp->y1; |
| 968 | if (pSegTmp->y2 > box.y2) |
| 969 | box.y2 = pSegTmp->y2; |
| 970 | } |
| 971 | else { |
| 972 | if (pSegTmp->y2 < box.y1) |
| 973 | box.y1 = pSegTmp->y2; |
| 974 | if (pSegTmp->y1 > box.y2) |
| 975 | box.y2 = pSegTmp->y1; |
| 976 | } |
| 977 | } |
| 978 | |
| 979 | box.x2++; |
| 980 | box.y2++; |
| 981 | |
| 982 | if (extra) { |
| 983 | box.x1 -= extra; |
| 984 | box.x2 += extra; |
| 985 | box.y1 -= extra; |
| 986 | box.y2 += extra; |
| 987 | } |
| 988 | |
| 989 | TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC); |
| 990 | if (BOX_NOT_EMPTY(box)) |
| 991 | damageDamageBox(pDrawable, &box, pGC->subWindowMode); |
| 992 | } |
| 993 | (*pGC->ops->PolySegment) (pDrawable, pGC, nSeg, pSeg); |
| 994 | damageRegionProcessPending(pDrawable); |
| 995 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 996 | } |
| 997 | |
| 998 | static void |
| 999 | damagePolyRectangle(DrawablePtr pDrawable, |
| 1000 | GCPtr pGC, int nRects, xRectangle *pRects) |
| 1001 | { |
| 1002 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 1003 | |
| 1004 | if (nRects && checkGCDamage(pDrawable, pGC)) { |
| 1005 | BoxRec box; |
| 1006 | int offset1, offset2, offset3; |
| 1007 | int nRectsTmp = nRects; |
| 1008 | xRectangle *pRectsTmp = pRects; |
| 1009 | |
| 1010 | offset2 = pGC->lineWidth; |
| 1011 | if (!offset2) |
| 1012 | offset2 = 1; |
| 1013 | offset1 = offset2 >> 1; |
| 1014 | offset3 = offset2 - offset1; |
| 1015 | |
| 1016 | while (nRectsTmp--) { |
| 1017 | box.x1 = pRectsTmp->x - offset1; |
| 1018 | box.y1 = pRectsTmp->y - offset1; |
| 1019 | box.x2 = box.x1 + pRectsTmp->width + offset2; |
| 1020 | box.y2 = box.y1 + offset2; |
| 1021 | TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC); |
| 1022 | if (BOX_NOT_EMPTY(box)) |
| 1023 | damageDamageBox(pDrawable, &box, pGC->subWindowMode); |
| 1024 | |
| 1025 | box.x1 = pRectsTmp->x - offset1; |
| 1026 | box.y1 = pRectsTmp->y + offset3; |
| 1027 | box.x2 = box.x1 + offset2; |
| 1028 | box.y2 = box.y1 + pRectsTmp->height - offset2; |
| 1029 | TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC); |
| 1030 | if (BOX_NOT_EMPTY(box)) |
| 1031 | damageDamageBox(pDrawable, &box, pGC->subWindowMode); |
| 1032 | |
| 1033 | box.x1 = pRectsTmp->x + pRectsTmp->width - offset1; |
| 1034 | box.y1 = pRectsTmp->y + offset3; |
| 1035 | box.x2 = box.x1 + offset2; |
| 1036 | box.y2 = box.y1 + pRectsTmp->height - offset2; |
| 1037 | TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC); |
| 1038 | if (BOX_NOT_EMPTY(box)) |
| 1039 | damageDamageBox(pDrawable, &box, pGC->subWindowMode); |
| 1040 | |
| 1041 | box.x1 = pRectsTmp->x - offset1; |
| 1042 | box.y1 = pRectsTmp->y + pRectsTmp->height - offset1; |
| 1043 | box.x2 = box.x1 + pRectsTmp->width + offset2; |
| 1044 | box.y2 = box.y1 + offset2; |
| 1045 | TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC); |
| 1046 | if (BOX_NOT_EMPTY(box)) |
| 1047 | damageDamageBox(pDrawable, &box, pGC->subWindowMode); |
| 1048 | |
| 1049 | pRectsTmp++; |
| 1050 | } |
| 1051 | } |
| 1052 | (*pGC->ops->PolyRectangle) (pDrawable, pGC, nRects, pRects); |
| 1053 | damageRegionProcessPending(pDrawable); |
| 1054 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 1055 | } |
| 1056 | |
| 1057 | static void |
| 1058 | damagePolyArc(DrawablePtr pDrawable, GCPtr pGC, int nArcs, xArc * pArcs) |
| 1059 | { |
| 1060 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 1061 | |
| 1062 | if (nArcs && checkGCDamage(pDrawable, pGC)) { |
| 1063 | int extra = pGC->lineWidth >> 1; |
| 1064 | BoxRec box; |
| 1065 | int nArcsTmp = nArcs; |
| 1066 | xArc *pArcsTmp = pArcs; |
| 1067 | |
| 1068 | box.x1 = pArcsTmp->x; |
| 1069 | box.x2 = box.x1 + pArcsTmp->width; |
| 1070 | box.y1 = pArcsTmp->y; |
| 1071 | box.y2 = box.y1 + pArcsTmp->height; |
| 1072 | |
| 1073 | while (--nArcsTmp) { |
| 1074 | pArcsTmp++; |
| 1075 | if (box.x1 > pArcsTmp->x) |
| 1076 | box.x1 = pArcsTmp->x; |
| 1077 | if (box.x2 < (pArcsTmp->x + pArcsTmp->width)) |
| 1078 | box.x2 = pArcsTmp->x + pArcsTmp->width; |
| 1079 | if (box.y1 > pArcsTmp->y) |
| 1080 | box.y1 = pArcsTmp->y; |
| 1081 | if (box.y2 < (pArcsTmp->y + pArcsTmp->height)) |
| 1082 | box.y2 = pArcsTmp->y + pArcsTmp->height; |
| 1083 | } |
| 1084 | |
| 1085 | if (extra) { |
| 1086 | box.x1 -= extra; |
| 1087 | box.x2 += extra; |
| 1088 | box.y1 -= extra; |
| 1089 | box.y2 += extra; |
| 1090 | } |
| 1091 | |
| 1092 | box.x2++; |
| 1093 | box.y2++; |
| 1094 | |
| 1095 | TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC); |
| 1096 | if (BOX_NOT_EMPTY(box)) |
| 1097 | damageDamageBox(pDrawable, &box, pGC->subWindowMode); |
| 1098 | } |
| 1099 | (*pGC->ops->PolyArc) (pDrawable, pGC, nArcs, pArcs); |
| 1100 | damageRegionProcessPending(pDrawable); |
| 1101 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 1102 | } |
| 1103 | |
| 1104 | static void |
| 1105 | damageFillPolygon(DrawablePtr pDrawable, |
| 1106 | GCPtr pGC, int shape, int mode, int npt, DDXPointPtr ppt) |
| 1107 | { |
| 1108 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 1109 | |
| 1110 | if (npt > 2 && checkGCDamage(pDrawable, pGC)) { |
| 1111 | DDXPointPtr pptTmp = ppt; |
| 1112 | int nptTmp = npt; |
| 1113 | BoxRec box; |
| 1114 | |
| 1115 | box.x2 = box.x1 = pptTmp->x; |
| 1116 | box.y2 = box.y1 = pptTmp->y; |
| 1117 | |
| 1118 | if (mode != CoordModeOrigin) { |
| 1119 | int x = box.x1; |
| 1120 | int y = box.y1; |
| 1121 | |
| 1122 | while (--nptTmp) { |
| 1123 | pptTmp++; |
| 1124 | x += pptTmp->x; |
| 1125 | y += pptTmp->y; |
| 1126 | if (box.x1 > x) |
| 1127 | box.x1 = x; |
| 1128 | else if (box.x2 < x) |
| 1129 | box.x2 = x; |
| 1130 | if (box.y1 > y) |
| 1131 | box.y1 = y; |
| 1132 | else if (box.y2 < y) |
| 1133 | box.y2 = y; |
| 1134 | } |
| 1135 | } |
| 1136 | else { |
| 1137 | while (--nptTmp) { |
| 1138 | pptTmp++; |
| 1139 | if (box.x1 > pptTmp->x) |
| 1140 | box.x1 = pptTmp->x; |
| 1141 | else if (box.x2 < pptTmp->x) |
| 1142 | box.x2 = pptTmp->x; |
| 1143 | if (box.y1 > pptTmp->y) |
| 1144 | box.y1 = pptTmp->y; |
| 1145 | else if (box.y2 < pptTmp->y) |
| 1146 | box.y2 = pptTmp->y; |
| 1147 | } |
| 1148 | } |
| 1149 | |
| 1150 | box.x2++; |
| 1151 | box.y2++; |
| 1152 | |
| 1153 | TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC); |
| 1154 | if (BOX_NOT_EMPTY(box)) |
| 1155 | damageDamageBox(pDrawable, &box, pGC->subWindowMode); |
| 1156 | } |
| 1157 | |
| 1158 | (*pGC->ops->FillPolygon) (pDrawable, pGC, shape, mode, npt, ppt); |
| 1159 | damageRegionProcessPending(pDrawable); |
| 1160 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 1161 | } |
| 1162 | |
| 1163 | static void |
| 1164 | damagePolyFillRect(DrawablePtr pDrawable, |
| 1165 | GCPtr pGC, int nRects, xRectangle *pRects) |
| 1166 | { |
| 1167 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 1168 | if (nRects && checkGCDamage(pDrawable, pGC)) { |
| 1169 | BoxRec box; |
| 1170 | xRectangle *pRectsTmp = pRects; |
| 1171 | int nRectsTmp = nRects; |
| 1172 | |
| 1173 | box.x1 = pRectsTmp->x; |
| 1174 | box.x2 = box.x1 + pRectsTmp->width; |
| 1175 | box.y1 = pRectsTmp->y; |
| 1176 | box.y2 = box.y1 + pRectsTmp->height; |
| 1177 | |
| 1178 | while (--nRectsTmp) { |
| 1179 | pRectsTmp++; |
| 1180 | if (box.x1 > pRectsTmp->x) |
| 1181 | box.x1 = pRectsTmp->x; |
| 1182 | if (box.x2 < (pRectsTmp->x + pRectsTmp->width)) |
| 1183 | box.x2 = pRectsTmp->x + pRectsTmp->width; |
| 1184 | if (box.y1 > pRectsTmp->y) |
| 1185 | box.y1 = pRectsTmp->y; |
| 1186 | if (box.y2 < (pRectsTmp->y + pRectsTmp->height)) |
| 1187 | box.y2 = pRectsTmp->y + pRectsTmp->height; |
| 1188 | } |
| 1189 | |
| 1190 | TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC); |
| 1191 | if (BOX_NOT_EMPTY(box)) |
| 1192 | damageDamageBox(pDrawable, &box, pGC->subWindowMode); |
| 1193 | } |
| 1194 | (*pGC->ops->PolyFillRect) (pDrawable, pGC, nRects, pRects); |
| 1195 | damageRegionProcessPending(pDrawable); |
| 1196 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 1197 | } |
| 1198 | |
| 1199 | static void |
| 1200 | damagePolyFillArc(DrawablePtr pDrawable, GCPtr pGC, int nArcs, xArc * pArcs) |
| 1201 | { |
| 1202 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 1203 | |
| 1204 | if (nArcs && checkGCDamage(pDrawable, pGC)) { |
| 1205 | BoxRec box; |
| 1206 | int nArcsTmp = nArcs; |
| 1207 | xArc *pArcsTmp = pArcs; |
| 1208 | |
| 1209 | box.x1 = pArcsTmp->x; |
| 1210 | box.x2 = box.x1 + pArcsTmp->width; |
| 1211 | box.y1 = pArcsTmp->y; |
| 1212 | box.y2 = box.y1 + pArcsTmp->height; |
| 1213 | |
| 1214 | while (--nArcsTmp) { |
| 1215 | pArcsTmp++; |
| 1216 | if (box.x1 > pArcsTmp->x) |
| 1217 | box.x1 = pArcsTmp->x; |
| 1218 | if (box.x2 < (pArcsTmp->x + pArcsTmp->width)) |
| 1219 | box.x2 = pArcsTmp->x + pArcsTmp->width; |
| 1220 | if (box.y1 > pArcsTmp->y) |
| 1221 | box.y1 = pArcsTmp->y; |
| 1222 | if (box.y2 < (pArcsTmp->y + pArcsTmp->height)) |
| 1223 | box.y2 = pArcsTmp->y + pArcsTmp->height; |
| 1224 | } |
| 1225 | |
| 1226 | TRIM_AND_TRANSLATE_BOX(box, pDrawable, pGC); |
| 1227 | if (BOX_NOT_EMPTY(box)) |
| 1228 | damageDamageBox(pDrawable, &box, pGC->subWindowMode); |
| 1229 | } |
| 1230 | (*pGC->ops->PolyFillArc) (pDrawable, pGC, nArcs, pArcs); |
| 1231 | damageRegionProcessPending(pDrawable); |
| 1232 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 1233 | } |
| 1234 | |
| 1235 | /* |
| 1236 | * general Poly/Image text function. Extract glyph information, |
| 1237 | * compute bounding box and remove cursor if it is overlapped. |
| 1238 | */ |
| 1239 | |
| 1240 | static void |
| 1241 | damageDamageChars(DrawablePtr pDrawable, |
| 1242 | FontPtr font, |
| 1243 | int x, |
| 1244 | int y, |
| 1245 | unsigned int n, |
| 1246 | CharInfoPtr * charinfo, Bool imageblt, int subWindowMode) |
| 1247 | { |
| 1248 | ExtentInfoRec extents; |
| 1249 | BoxRec box; |
| 1250 | |
| 1251 | QueryGlyphExtents(font, charinfo, n, &extents); |
| 1252 | if (imageblt) { |
| 1253 | if (extents.overallWidth > extents.overallRight) |
| 1254 | extents.overallRight = extents.overallWidth; |
| 1255 | if (extents.overallWidth < extents.overallLeft) |
| 1256 | extents.overallLeft = extents.overallWidth; |
| 1257 | if (extents.overallLeft > 0) |
| 1258 | extents.overallLeft = 0; |
| 1259 | if (extents.fontAscent > extents.overallAscent) |
| 1260 | extents.overallAscent = extents.fontAscent; |
| 1261 | if (extents.fontDescent > extents.overallDescent) |
| 1262 | extents.overallDescent = extents.fontDescent; |
| 1263 | } |
| 1264 | box.x1 = x + extents.overallLeft; |
| 1265 | box.y1 = y - extents.overallAscent; |
| 1266 | box.x2 = x + extents.overallRight; |
| 1267 | box.y2 = y + extents.overallDescent; |
| 1268 | damageDamageBox(pDrawable, &box, subWindowMode); |
| 1269 | } |
| 1270 | |
| 1271 | /* |
| 1272 | * values for textType: |
| 1273 | */ |
| 1274 | #define TT_POLY8 0 |
| 1275 | #define TT_IMAGE8 1 |
| 1276 | #define TT_POLY16 2 |
| 1277 | #define TT_IMAGE16 3 |
| 1278 | |
| 1279 | static void |
| 1280 | damageText(DrawablePtr pDrawable, |
| 1281 | GCPtr pGC, |
| 1282 | int x, |
| 1283 | int y, |
| 1284 | unsigned long count, |
| 1285 | char *chars, FontEncoding fontEncoding, Bool textType) |
| 1286 | { |
| 1287 | CharInfoPtr *charinfo; |
| 1288 | unsigned long i; |
| 1289 | unsigned int n; |
| 1290 | Bool imageblt; |
| 1291 | |
| 1292 | imageblt = (textType == TT_IMAGE8) || (textType == TT_IMAGE16); |
| 1293 | |
| 1294 | if (!checkGCDamage(pDrawable, pGC)) |
| 1295 | return; |
| 1296 | |
| 1297 | charinfo = malloc(count * sizeof(CharInfoPtr)); |
| 1298 | if (!charinfo) |
| 1299 | return; |
| 1300 | |
| 1301 | GetGlyphs(pGC->font, count, (unsigned char *) chars, |
| 1302 | fontEncoding, &i, charinfo); |
| 1303 | n = (unsigned int) i; |
| 1304 | |
| 1305 | if (n != 0) { |
| 1306 | damageDamageChars(pDrawable, pGC->font, x + pDrawable->x, |
| 1307 | y + pDrawable->y, n, charinfo, imageblt, |
| 1308 | pGC->subWindowMode); |
| 1309 | } |
| 1310 | free(charinfo); |
| 1311 | } |
| 1312 | |
| 1313 | static int |
| 1314 | damagePolyText8(DrawablePtr pDrawable, |
| 1315 | GCPtr pGC, int x, int y, int count, char *chars) |
| 1316 | { |
| 1317 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 1318 | damageText(pDrawable, pGC, x, y, (unsigned long) count, chars, Linear8Bit, |
| 1319 | TT_POLY8); |
| 1320 | x = (*pGC->ops->PolyText8) (pDrawable, pGC, x, y, count, chars); |
| 1321 | damageRegionProcessPending(pDrawable); |
| 1322 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 1323 | return x; |
| 1324 | } |
| 1325 | |
| 1326 | static int |
| 1327 | damagePolyText16(DrawablePtr pDrawable, |
| 1328 | GCPtr pGC, int x, int y, int count, unsigned short *chars) |
| 1329 | { |
| 1330 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 1331 | damageText(pDrawable, pGC, x, y, (unsigned long) count, (char *) chars, |
| 1332 | FONTLASTROW(pGC->font) == 0 ? Linear16Bit : TwoD16Bit, |
| 1333 | TT_POLY16); |
| 1334 | x = (*pGC->ops->PolyText16) (pDrawable, pGC, x, y, count, chars); |
| 1335 | damageRegionProcessPending(pDrawable); |
| 1336 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 1337 | return x; |
| 1338 | } |
| 1339 | |
| 1340 | static void |
| 1341 | damageImageText8(DrawablePtr pDrawable, |
| 1342 | GCPtr pGC, int x, int y, int count, char *chars) |
| 1343 | { |
| 1344 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 1345 | damageText(pDrawable, pGC, x, y, (unsigned long) count, chars, Linear8Bit, |
| 1346 | TT_IMAGE8); |
| 1347 | (*pGC->ops->ImageText8) (pDrawable, pGC, x, y, count, chars); |
| 1348 | damageRegionProcessPending(pDrawable); |
| 1349 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 1350 | } |
| 1351 | |
| 1352 | static void |
| 1353 | damageImageText16(DrawablePtr pDrawable, |
| 1354 | GCPtr pGC, int x, int y, int count, unsigned short *chars) |
| 1355 | { |
| 1356 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 1357 | damageText(pDrawable, pGC, x, y, (unsigned long) count, (char *) chars, |
| 1358 | FONTLASTROW(pGC->font) == 0 ? Linear16Bit : TwoD16Bit, |
| 1359 | TT_IMAGE16); |
| 1360 | (*pGC->ops->ImageText16) (pDrawable, pGC, x, y, count, chars); |
| 1361 | damageRegionProcessPending(pDrawable); |
| 1362 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 1363 | } |
| 1364 | |
| 1365 | static void |
| 1366 | damageImageGlyphBlt(DrawablePtr pDrawable, |
| 1367 | GCPtr pGC, |
| 1368 | int x, |
| 1369 | int y, |
| 1370 | unsigned int nglyph, CharInfoPtr * ppci, pointer pglyphBase) |
| 1371 | { |
| 1372 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 1373 | damageDamageChars(pDrawable, pGC->font, x + pDrawable->x, y + pDrawable->y, |
| 1374 | nglyph, ppci, TRUE, pGC->subWindowMode); |
| 1375 | (*pGC->ops->ImageGlyphBlt) (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase); |
| 1376 | damageRegionProcessPending(pDrawable); |
| 1377 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 1378 | } |
| 1379 | |
| 1380 | static void |
| 1381 | damagePolyGlyphBlt(DrawablePtr pDrawable, |
| 1382 | GCPtr pGC, |
| 1383 | int x, |
| 1384 | int y, |
| 1385 | unsigned int nglyph, CharInfoPtr * ppci, pointer pglyphBase) |
| 1386 | { |
| 1387 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 1388 | damageDamageChars(pDrawable, pGC->font, x + pDrawable->x, y + pDrawable->y, |
| 1389 | nglyph, ppci, FALSE, pGC->subWindowMode); |
| 1390 | (*pGC->ops->PolyGlyphBlt) (pDrawable, pGC, x, y, nglyph, ppci, pglyphBase); |
| 1391 | damageRegionProcessPending(pDrawable); |
| 1392 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 1393 | } |
| 1394 | |
| 1395 | static void |
| 1396 | damagePushPixels(GCPtr pGC, |
| 1397 | PixmapPtr pBitMap, |
| 1398 | DrawablePtr pDrawable, int dx, int dy, int xOrg, int yOrg) |
| 1399 | { |
| 1400 | DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable); |
| 1401 | if (checkGCDamage(pDrawable, pGC)) { |
| 1402 | BoxRec box; |
| 1403 | |
| 1404 | box.x1 = xOrg; |
| 1405 | box.y1 = yOrg; |
| 1406 | |
| 1407 | if (!pGC->miTranslate) { |
| 1408 | box.x1 += pDrawable->x; |
| 1409 | box.y1 += pDrawable->y; |
| 1410 | } |
| 1411 | |
| 1412 | box.x2 = box.x1 + dx; |
| 1413 | box.y2 = box.y1 + dy; |
| 1414 | |
| 1415 | TRIM_BOX(box, pGC); |
| 1416 | if (BOX_NOT_EMPTY(box)) |
| 1417 | damageDamageBox(pDrawable, &box, pGC->subWindowMode); |
| 1418 | } |
| 1419 | (*pGC->ops->PushPixels) (pGC, pBitMap, pDrawable, dx, dy, xOrg, yOrg); |
| 1420 | damageRegionProcessPending(pDrawable); |
| 1421 | DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable); |
| 1422 | } |
| 1423 | |
| 1424 | static void |
| 1425 | damageRemoveDamage(DamagePtr * pPrev, DamagePtr pDamage) |
| 1426 | { |
| 1427 | while (*pPrev) { |
| 1428 | if (*pPrev == pDamage) { |
| 1429 | *pPrev = pDamage->pNext; |
| 1430 | return; |
| 1431 | } |
| 1432 | pPrev = &(*pPrev)->pNext; |
| 1433 | } |
| 1434 | #if DAMAGE_VALIDATE_ENABLE |
| 1435 | ErrorF("Damage not on list\n"); |
| 1436 | OsAbort(); |
| 1437 | #endif |
| 1438 | } |
| 1439 | |
| 1440 | static void |
| 1441 | damageInsertDamage(DamagePtr * pPrev, DamagePtr pDamage) |
| 1442 | { |
| 1443 | #if DAMAGE_VALIDATE_ENABLE |
| 1444 | DamagePtr pOld; |
| 1445 | |
| 1446 | for (pOld = *pPrev; pOld; pOld = pOld->pNext) |
| 1447 | if (pOld == pDamage) { |
| 1448 | ErrorF("Damage already on list\n"); |
| 1449 | OsAbort(); |
| 1450 | } |
| 1451 | #endif |
| 1452 | pDamage->pNext = *pPrev; |
| 1453 | *pPrev = pDamage; |
| 1454 | } |
| 1455 | |
| 1456 | static Bool |
| 1457 | damageDestroyPixmap(PixmapPtr pPixmap) |
| 1458 | { |
| 1459 | ScreenPtr pScreen = pPixmap->drawable.pScreen; |
| 1460 | |
| 1461 | damageScrPriv(pScreen); |
| 1462 | |
| 1463 | if (pPixmap->refcnt == 1) { |
| 1464 | DamagePtr *pPrev = getPixmapDamageRef(pPixmap); |
| 1465 | DamagePtr pDamage; |
| 1466 | |
| 1467 | while ((pDamage = *pPrev)) { |
| 1468 | damageRemoveDamage(pPrev, pDamage); |
| 1469 | if (!pDamage->isWindow) |
| 1470 | DamageDestroy(pDamage); |
| 1471 | } |
| 1472 | } |
| 1473 | unwrap(pScrPriv, pScreen, DestroyPixmap); |
| 1474 | (*pScreen->DestroyPixmap) (pPixmap); |
| 1475 | wrap(pScrPriv, pScreen, DestroyPixmap, damageDestroyPixmap); |
| 1476 | return TRUE; |
| 1477 | } |
| 1478 | |
| 1479 | static void |
| 1480 | damageCopyWindow(WindowPtr pWindow, DDXPointRec ptOldOrg, RegionPtr prgnSrc) |
| 1481 | { |
| 1482 | ScreenPtr pScreen = pWindow->drawable.pScreen; |
| 1483 | |
| 1484 | damageScrPriv(pScreen); |
| 1485 | |
| 1486 | if (getWindowDamage(pWindow)) { |
| 1487 | int dx = pWindow->drawable.x - ptOldOrg.x; |
| 1488 | int dy = pWindow->drawable.y - ptOldOrg.y; |
| 1489 | |
| 1490 | /* |
| 1491 | * The region comes in source relative, but the damage occurs |
| 1492 | * at the destination location. Translate back and forth. |
| 1493 | */ |
| 1494 | RegionTranslate(prgnSrc, dx, dy); |
| 1495 | damageRegionAppend(&pWindow->drawable, prgnSrc, FALSE, -1); |
| 1496 | RegionTranslate(prgnSrc, -dx, -dy); |
| 1497 | } |
| 1498 | unwrap(pScrPriv, pScreen, CopyWindow); |
| 1499 | (*pScreen->CopyWindow) (pWindow, ptOldOrg, prgnSrc); |
| 1500 | damageRegionProcessPending(&pWindow->drawable); |
| 1501 | wrap(pScrPriv, pScreen, CopyWindow, damageCopyWindow); |
| 1502 | } |
| 1503 | |
| 1504 | static GCOps damageGCOps = { |
| 1505 | damageFillSpans, damageSetSpans, |
| 1506 | damagePutImage, damageCopyArea, |
| 1507 | damageCopyPlane, damagePolyPoint, |
| 1508 | damagePolylines, damagePolySegment, |
| 1509 | damagePolyRectangle, damagePolyArc, |
| 1510 | damageFillPolygon, damagePolyFillRect, |
| 1511 | damagePolyFillArc, damagePolyText8, |
| 1512 | damagePolyText16, damageImageText8, |
| 1513 | damageImageText16, damageImageGlyphBlt, |
| 1514 | damagePolyGlyphBlt, damagePushPixels, |
| 1515 | }; |
| 1516 | |
| 1517 | static void |
| 1518 | damageSetWindowPixmap(WindowPtr pWindow, PixmapPtr pPixmap) |
| 1519 | { |
| 1520 | DamagePtr pDamage; |
| 1521 | ScreenPtr pScreen = pWindow->drawable.pScreen; |
| 1522 | |
| 1523 | damageScrPriv(pScreen); |
| 1524 | |
| 1525 | if ((pDamage = damageGetWinPriv(pWindow))) { |
| 1526 | PixmapPtr pOldPixmap = (*pScreen->GetWindowPixmap) (pWindow); |
| 1527 | DamagePtr *pPrev = getPixmapDamageRef(pOldPixmap); |
| 1528 | |
| 1529 | while (pDamage) { |
| 1530 | damageRemoveDamage(pPrev, pDamage); |
| 1531 | pDamage = pDamage->pNextWin; |
| 1532 | } |
| 1533 | } |
| 1534 | unwrap(pScrPriv, pScreen, SetWindowPixmap); |
| 1535 | (*pScreen->SetWindowPixmap) (pWindow, pPixmap); |
| 1536 | wrap(pScrPriv, pScreen, SetWindowPixmap, damageSetWindowPixmap); |
| 1537 | if ((pDamage = damageGetWinPriv(pWindow))) { |
| 1538 | DamagePtr *pPrev = getPixmapDamageRef(pPixmap); |
| 1539 | |
| 1540 | while (pDamage) { |
| 1541 | damageInsertDamage(pPrev, pDamage); |
| 1542 | pDamage = pDamage->pNextWin; |
| 1543 | } |
| 1544 | } |
| 1545 | } |
| 1546 | |
| 1547 | static Bool |
| 1548 | damageDestroyWindow(WindowPtr pWindow) |
| 1549 | { |
| 1550 | DamagePtr pDamage; |
| 1551 | ScreenPtr pScreen = pWindow->drawable.pScreen; |
| 1552 | Bool ret; |
| 1553 | |
| 1554 | damageScrPriv(pScreen); |
| 1555 | |
| 1556 | while ((pDamage = damageGetWinPriv(pWindow))) { |
| 1557 | DamageDestroy(pDamage); |
| 1558 | } |
| 1559 | unwrap(pScrPriv, pScreen, DestroyWindow); |
| 1560 | ret = (*pScreen->DestroyWindow) (pWindow); |
| 1561 | wrap(pScrPriv, pScreen, DestroyWindow, damageDestroyWindow); |
| 1562 | return ret; |
| 1563 | } |
| 1564 | |
| 1565 | static Bool |
| 1566 | damageCloseScreen(ScreenPtr pScreen) |
| 1567 | { |
| 1568 | damageScrPriv(pScreen); |
| 1569 | |
| 1570 | unwrap(pScrPriv, pScreen, DestroyPixmap); |
| 1571 | unwrap(pScrPriv, pScreen, CreateGC); |
| 1572 | unwrap(pScrPriv, pScreen, CopyWindow); |
| 1573 | unwrap(pScrPriv, pScreen, CloseScreen); |
| 1574 | free(pScrPriv); |
| 1575 | return (*pScreen->CloseScreen) (pScreen); |
| 1576 | } |
| 1577 | |
| 1578 | /** |
| 1579 | * Default implementations of the damage management functions. |
| 1580 | */ |
| 1581 | void |
| 1582 | miDamageCreate(DamagePtr pDamage) |
| 1583 | { |
| 1584 | } |
| 1585 | |
| 1586 | /* |
| 1587 | * We only wrap into the GC when there's a registered listener. For windows, |
| 1588 | * damage includes damage to children. So if there's a GC validated against |
| 1589 | * a subwindow and we then register a damage on the parent, we need to bump |
| 1590 | * the serial numbers of the children to re-trigger validation. |
| 1591 | * |
| 1592 | * Since we can't know if a GC has been validated against one of the affected |
| 1593 | * children, just bump them all to be safe. |
| 1594 | */ |
| 1595 | static int |
| 1596 | damageRegisterVisit(WindowPtr pWin, void *data) |
| 1597 | { |
| 1598 | pWin->drawable.serialNumber = NEXT_SERIAL_NUMBER; |
| 1599 | return WT_WALKCHILDREN; |
| 1600 | } |
| 1601 | |
| 1602 | void |
| 1603 | miDamageRegister(DrawablePtr pDrawable, DamagePtr pDamage) |
| 1604 | { |
| 1605 | if (pDrawable->type == DRAWABLE_WINDOW) |
| 1606 | TraverseTree((WindowPtr)pDrawable, damageRegisterVisit, NULL); |
| 1607 | else |
| 1608 | pDrawable->serialNumber = NEXT_SERIAL_NUMBER; |
| 1609 | } |
| 1610 | |
| 1611 | void |
| 1612 | miDamageUnregister(DrawablePtr pDrawable, DamagePtr pDamage) |
| 1613 | { |
| 1614 | if (pDrawable->type == DRAWABLE_WINDOW) |
| 1615 | TraverseTree((WindowPtr)pDrawable, damageRegisterVisit, NULL); |
| 1616 | else |
| 1617 | pDrawable->serialNumber = NEXT_SERIAL_NUMBER; |
| 1618 | } |
| 1619 | |
| 1620 | void |
| 1621 | miDamageDestroy(DamagePtr pDamage) |
| 1622 | { |
| 1623 | } |
| 1624 | |
| 1625 | /** |
| 1626 | * Public functions for consumption outside this file. |
| 1627 | */ |
| 1628 | |
| 1629 | Bool |
| 1630 | DamageSetup(ScreenPtr pScreen) |
| 1631 | { |
| 1632 | DamageScrPrivPtr pScrPriv; |
| 1633 | PictureScreenPtr ps = GetPictureScreenIfSet(pScreen); |
| 1634 | |
| 1635 | const DamageScreenFuncsRec miFuncs = { |
| 1636 | miDamageCreate, miDamageRegister, miDamageUnregister, miDamageDestroy |
| 1637 | }; |
| 1638 | |
| 1639 | if (!dixRegisterPrivateKey(&damageScrPrivateKeyRec, PRIVATE_SCREEN, 0)) |
| 1640 | return FALSE; |
| 1641 | |
| 1642 | if (dixLookupPrivate(&pScreen->devPrivates, damageScrPrivateKey)) |
| 1643 | return TRUE; |
| 1644 | |
| 1645 | if (!dixRegisterPrivateKey |
| 1646 | (&damageGCPrivateKeyRec, PRIVATE_GC, sizeof(DamageGCPrivRec))) |
| 1647 | return FALSE; |
| 1648 | |
| 1649 | if (!dixRegisterPrivateKey(&damagePixPrivateKeyRec, PRIVATE_PIXMAP, 0)) |
| 1650 | return FALSE; |
| 1651 | |
| 1652 | if (!dixRegisterPrivateKey(&damageWinPrivateKeyRec, PRIVATE_WINDOW, 0)) |
| 1653 | return FALSE; |
| 1654 | |
| 1655 | pScrPriv = malloc(sizeof(DamageScrPrivRec)); |
| 1656 | if (!pScrPriv) |
| 1657 | return FALSE; |
| 1658 | |
| 1659 | pScrPriv->internalLevel = 0; |
| 1660 | pScrPriv->pScreenDamage = 0; |
| 1661 | |
| 1662 | wrap(pScrPriv, pScreen, DestroyPixmap, damageDestroyPixmap); |
| 1663 | wrap(pScrPriv, pScreen, CreateGC, damageCreateGC); |
| 1664 | wrap(pScrPriv, pScreen, DestroyWindow, damageDestroyWindow); |
| 1665 | wrap(pScrPriv, pScreen, SetWindowPixmap, damageSetWindowPixmap); |
| 1666 | wrap(pScrPriv, pScreen, CopyWindow, damageCopyWindow); |
| 1667 | wrap(pScrPriv, pScreen, CloseScreen, damageCloseScreen); |
| 1668 | if (ps) { |
| 1669 | wrap(pScrPriv, ps, Glyphs, damageGlyphs); |
| 1670 | wrap(pScrPriv, ps, Composite, damageComposite); |
| 1671 | wrap(pScrPriv, ps, AddTraps, damageAddTraps); |
| 1672 | } |
| 1673 | |
| 1674 | pScrPriv->funcs = miFuncs; |
| 1675 | |
| 1676 | dixSetPrivate(&pScreen->devPrivates, damageScrPrivateKey, pScrPriv); |
| 1677 | return TRUE; |
| 1678 | } |
| 1679 | |
| 1680 | DamagePtr |
| 1681 | DamageCreate(DamageReportFunc damageReport, |
| 1682 | DamageDestroyFunc damageDestroy, |
| 1683 | DamageReportLevel damageLevel, |
| 1684 | Bool isInternal, ScreenPtr pScreen, void *closure) |
| 1685 | { |
| 1686 | damageScrPriv(pScreen); |
| 1687 | DamagePtr pDamage; |
| 1688 | |
| 1689 | pDamage = dixAllocateObjectWithPrivates(DamageRec, PRIVATE_DAMAGE); |
| 1690 | if (!pDamage) |
| 1691 | return 0; |
| 1692 | pDamage->pNext = 0; |
| 1693 | pDamage->pNextWin = 0; |
| 1694 | RegionNull(&pDamage->damage); |
| 1695 | RegionNull(&pDamage->pendingDamage); |
| 1696 | |
| 1697 | pDamage->damageLevel = damageLevel; |
| 1698 | pDamage->isInternal = isInternal; |
| 1699 | pDamage->closure = closure; |
| 1700 | pDamage->isWindow = FALSE; |
| 1701 | pDamage->pDrawable = 0; |
| 1702 | pDamage->reportAfter = FALSE; |
| 1703 | |
| 1704 | pDamage->damageReport = damageReport; |
| 1705 | pDamage->damageDestroy = damageDestroy; |
| 1706 | pDamage->pScreen = pScreen; |
| 1707 | |
| 1708 | (*pScrPriv->funcs.Create) (pDamage); |
| 1709 | |
| 1710 | return pDamage; |
| 1711 | } |
| 1712 | |
| 1713 | void |
| 1714 | DamageRegister(DrawablePtr pDrawable, DamagePtr pDamage) |
| 1715 | { |
| 1716 | ScreenPtr pScreen = pDrawable->pScreen; |
| 1717 | |
| 1718 | damageScrPriv(pScreen); |
| 1719 | |
| 1720 | #if DAMAGE_VALIDATE_ENABLE |
| 1721 | if (pDrawable->pScreen != pDamage->pScreen) { |
| 1722 | ErrorF("DamageRegister called with mismatched screens\n"); |
| 1723 | OsAbort(); |
| 1724 | } |
| 1725 | #endif |
| 1726 | |
| 1727 | if (pDrawable->type == DRAWABLE_WINDOW) { |
| 1728 | WindowPtr pWindow = (WindowPtr) pDrawable; |
| 1729 | |
| 1730 | winDamageRef(pWindow); |
| 1731 | |
| 1732 | #if DAMAGE_VALIDATE_ENABLE |
| 1733 | DamagePtr pOld; |
| 1734 | |
| 1735 | for (pOld = *pPrev; pOld; pOld = pOld->pNextWin) |
| 1736 | if (pOld == pDamage) { |
| 1737 | ErrorF("Damage already on window list\n"); |
| 1738 | OsAbort(); |
| 1739 | } |
| 1740 | #endif |
| 1741 | pDamage->pNextWin = *pPrev; |
| 1742 | *pPrev = pDamage; |
| 1743 | pDamage->isWindow = TRUE; |
| 1744 | } |
| 1745 | else |
| 1746 | pDamage->isWindow = FALSE; |
| 1747 | pDamage->pDrawable = pDrawable; |
| 1748 | damageInsertDamage(getDrawableDamageRef(pDrawable), pDamage); |
| 1749 | (*pScrPriv->funcs.Register) (pDrawable, pDamage); |
| 1750 | } |
| 1751 | |
| 1752 | void |
| 1753 | DamageDrawInternal(ScreenPtr pScreen, Bool enable) |
| 1754 | { |
| 1755 | damageScrPriv(pScreen); |
| 1756 | |
| 1757 | pScrPriv->internalLevel += enable ? 1 : -1; |
| 1758 | } |
| 1759 | |
| 1760 | void |
| 1761 | DamageUnregister(DamagePtr pDamage) |
| 1762 | { |
| 1763 | DrawablePtr pDrawable = pDamage->pDrawable; |
| 1764 | ScreenPtr pScreen = pDrawable->pScreen; |
| 1765 | |
| 1766 | damageScrPriv(pScreen); |
| 1767 | |
| 1768 | (*pScrPriv->funcs.Unregister) (pDrawable, pDamage); |
| 1769 | |
| 1770 | if (pDrawable->type == DRAWABLE_WINDOW) { |
| 1771 | WindowPtr pWindow = (WindowPtr) pDrawable; |
| 1772 | |
| 1773 | winDamageRef(pWindow); |
| 1774 | #if DAMAGE_VALIDATE_ENABLE |
| 1775 | int found = 0; |
| 1776 | #endif |
| 1777 | |
| 1778 | while (*pPrev) { |
| 1779 | if (*pPrev == pDamage) { |
| 1780 | *pPrev = pDamage->pNextWin; |
| 1781 | #if DAMAGE_VALIDATE_ENABLE |
| 1782 | found = 1; |
| 1783 | #endif |
| 1784 | break; |
| 1785 | } |
| 1786 | pPrev = &(*pPrev)->pNextWin; |
| 1787 | } |
| 1788 | #if DAMAGE_VALIDATE_ENABLE |
| 1789 | if (!found) { |
| 1790 | ErrorF("Damage not on window list\n"); |
| 1791 | OsAbort(); |
| 1792 | } |
| 1793 | #endif |
| 1794 | } |
| 1795 | pDamage->pDrawable = 0; |
| 1796 | damageRemoveDamage(getDrawableDamageRef(pDrawable), pDamage); |
| 1797 | } |
| 1798 | |
| 1799 | void |
| 1800 | DamageDestroy(DamagePtr pDamage) |
| 1801 | { |
| 1802 | ScreenPtr pScreen = pDamage->pScreen; |
| 1803 | |
| 1804 | damageScrPriv(pScreen); |
| 1805 | |
| 1806 | if (pDamage->pDrawable) |
| 1807 | DamageUnregister(pDamage); |
| 1808 | |
| 1809 | if (pDamage->damageDestroy) |
| 1810 | (*pDamage->damageDestroy) (pDamage, pDamage->closure); |
| 1811 | (*pScrPriv->funcs.Destroy) (pDamage); |
| 1812 | RegionUninit(&pDamage->damage); |
| 1813 | RegionUninit(&pDamage->pendingDamage); |
| 1814 | dixFreeObjectWithPrivates(pDamage, PRIVATE_DAMAGE); |
| 1815 | } |
| 1816 | |
| 1817 | Bool |
| 1818 | DamageSubtract(DamagePtr pDamage, const RegionPtr pRegion) |
| 1819 | { |
| 1820 | RegionPtr pClip; |
| 1821 | RegionRec pixmapClip; |
| 1822 | DrawablePtr pDrawable = pDamage->pDrawable; |
| 1823 | |
| 1824 | RegionSubtract(&pDamage->damage, &pDamage->damage, pRegion); |
| 1825 | if (pDrawable) { |
| 1826 | if (pDrawable->type == DRAWABLE_WINDOW) |
| 1827 | pClip = &((WindowPtr) pDrawable)->borderClip; |
| 1828 | else { |
| 1829 | BoxRec box; |
| 1830 | |
| 1831 | box.x1 = pDrawable->x; |
| 1832 | box.y1 = pDrawable->y; |
| 1833 | box.x2 = pDrawable->x + pDrawable->width; |
| 1834 | box.y2 = pDrawable->y + pDrawable->height; |
| 1835 | RegionInit(&pixmapClip, &box, 1); |
| 1836 | pClip = &pixmapClip; |
| 1837 | } |
| 1838 | RegionTranslate(&pDamage->damage, pDrawable->x, pDrawable->y); |
| 1839 | RegionIntersect(&pDamage->damage, &pDamage->damage, pClip); |
| 1840 | RegionTranslate(&pDamage->damage, -pDrawable->x, -pDrawable->y); |
| 1841 | if (pDrawable->type != DRAWABLE_WINDOW) |
| 1842 | RegionUninit(&pixmapClip); |
| 1843 | } |
| 1844 | return RegionNotEmpty(&pDamage->damage); |
| 1845 | } |
| 1846 | |
| 1847 | void |
| 1848 | DamageEmpty(DamagePtr pDamage) |
| 1849 | { |
| 1850 | RegionEmpty(&pDamage->damage); |
| 1851 | } |
| 1852 | |
| 1853 | RegionPtr |
| 1854 | DamageRegion(DamagePtr pDamage) |
| 1855 | { |
| 1856 | return &pDamage->damage; |
| 1857 | } |
| 1858 | |
| 1859 | RegionPtr |
| 1860 | DamagePendingRegion(DamagePtr pDamage) |
| 1861 | { |
| 1862 | return &pDamage->pendingDamage; |
| 1863 | } |
| 1864 | |
| 1865 | void |
| 1866 | DamageRegionAppend(DrawablePtr pDrawable, RegionPtr pRegion) |
| 1867 | { |
| 1868 | damageRegionAppend(pDrawable, pRegion, FALSE, -1); |
| 1869 | } |
| 1870 | |
| 1871 | void |
| 1872 | DamageRegionProcessPending(DrawablePtr pDrawable) |
| 1873 | { |
| 1874 | damageRegionProcessPending(pDrawable); |
| 1875 | } |
| 1876 | |
| 1877 | /* This call is very odd, i'm leaving it intact for API sake, but please don't use it. */ |
| 1878 | void |
| 1879 | DamageDamageRegion(DrawablePtr pDrawable, RegionPtr pRegion) |
| 1880 | { |
| 1881 | damageRegionAppend(pDrawable, pRegion, FALSE, -1); |
| 1882 | |
| 1883 | /* Go back and report this damage for DamagePtrs with reportAfter set, since |
| 1884 | * this call isn't part of an in-progress drawing op in the call chain and |
| 1885 | * the DDX probably just wants to know about it right away. |
| 1886 | */ |
| 1887 | damageRegionProcessPending(pDrawable); |
| 1888 | } |
| 1889 | |
| 1890 | void |
| 1891 | DamageSetReportAfterOp(DamagePtr pDamage, Bool reportAfter) |
| 1892 | { |
| 1893 | pDamage->reportAfter = reportAfter; |
| 1894 | } |
| 1895 | |
| 1896 | DamageScreenFuncsPtr |
| 1897 | DamageGetScreenFuncs(ScreenPtr pScreen) |
| 1898 | { |
| 1899 | damageScrPriv(pScreen); |
| 1900 | return &pScrPriv->funcs; |
| 1901 | } |
| 1902 | |
| 1903 | void |
| 1904 | DamageReportDamage(DamagePtr pDamage, RegionPtr pDamageRegion) |
| 1905 | { |
| 1906 | BoxRec tmpBox; |
| 1907 | RegionRec tmpRegion; |
| 1908 | Bool was_empty; |
| 1909 | |
| 1910 | switch (pDamage->damageLevel) { |
| 1911 | case DamageReportRawRegion: |
| 1912 | RegionUnion(&pDamage->damage, &pDamage->damage, pDamageRegion); |
| 1913 | (*pDamage->damageReport) (pDamage, pDamageRegion, pDamage->closure); |
| 1914 | break; |
| 1915 | case DamageReportDeltaRegion: |
| 1916 | RegionNull(&tmpRegion); |
| 1917 | RegionSubtract(&tmpRegion, pDamageRegion, &pDamage->damage); |
| 1918 | if (RegionNotEmpty(&tmpRegion)) { |
| 1919 | RegionUnion(&pDamage->damage, &pDamage->damage, pDamageRegion); |
| 1920 | (*pDamage->damageReport) (pDamage, &tmpRegion, pDamage->closure); |
| 1921 | } |
| 1922 | RegionUninit(&tmpRegion); |
| 1923 | break; |
| 1924 | case DamageReportBoundingBox: |
| 1925 | tmpBox = *RegionExtents(&pDamage->damage); |
| 1926 | RegionUnion(&pDamage->damage, &pDamage->damage, pDamageRegion); |
| 1927 | if (!BOX_SAME(&tmpBox, RegionExtents(&pDamage->damage))) { |
| 1928 | (*pDamage->damageReport) (pDamage, &pDamage->damage, |
| 1929 | pDamage->closure); |
| 1930 | } |
| 1931 | break; |
| 1932 | case DamageReportNonEmpty: |
| 1933 | was_empty = !RegionNotEmpty(&pDamage->damage); |
| 1934 | RegionUnion(&pDamage->damage, &pDamage->damage, pDamageRegion); |
| 1935 | if (was_empty && RegionNotEmpty(&pDamage->damage)) { |
| 1936 | (*pDamage->damageReport) (pDamage, &pDamage->damage, |
| 1937 | pDamage->closure); |
| 1938 | } |
| 1939 | break; |
| 1940 | case DamageReportNone: |
| 1941 | RegionUnion(&pDamage->damage, &pDamage->damage, pDamageRegion); |
| 1942 | break; |
| 1943 | } |
| 1944 | } |