| 1 | /* |
| 2 | * |
| 3 | * Copyright © 1999 Keith Packard |
| 4 | * |
| 5 | * Permission to use, copy, modify, distribute, and sell this software and its |
| 6 | * documentation for any purpose is hereby granted without fee, provided that |
| 7 | * the above copyright notice appear in all copies and that both that |
| 8 | * copyright notice and this permission notice appear in supporting |
| 9 | * documentation, and that the name of Keith Packard not be used in |
| 10 | * advertising or publicity pertaining to distribution of the software without |
| 11 | * specific, written prior permission. Keith Packard makes no |
| 12 | * representations about the suitability of this software for any purpose. It |
| 13 | * is provided "as is" without express or implied warranty. |
| 14 | * |
| 15 | * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
| 16 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
| 17 | * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
| 18 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, |
| 19 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER |
| 20 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR |
| 21 | * PERFORMANCE OF THIS SOFTWARE. |
| 22 | */ |
| 23 | |
| 24 | #include "exa_priv.h" |
| 25 | |
| 26 | #include "mipict.h" |
| 27 | |
| 28 | /* |
| 29 | * These functions wrap the low-level fb rendering functions and |
| 30 | * synchronize framebuffer/accelerated drawing by stalling until |
| 31 | * the accelerator is idle |
| 32 | */ |
| 33 | |
| 34 | /** |
| 35 | * Calls exaPrepareAccess with EXA_PREPARE_SRC for the tile, if that is the |
| 36 | * current fill style. |
| 37 | * |
| 38 | * Solid doesn't use an extra pixmap source, and Stippled/OpaqueStippled are |
| 39 | * 1bpp and never in fb, so we don't worry about them. |
| 40 | * We should worry about them for completeness sake and going forward. |
| 41 | */ |
| 42 | void |
| 43 | exaPrepareAccessGC(GCPtr pGC) |
| 44 | { |
| 45 | if (pGC->stipple) |
| 46 | exaPrepareAccess(&pGC->stipple->drawable, EXA_PREPARE_MASK); |
| 47 | if (pGC->fillStyle == FillTiled) |
| 48 | exaPrepareAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_SRC); |
| 49 | } |
| 50 | |
| 51 | /** |
| 52 | * Finishes access to the tile in the GC, if used. |
| 53 | */ |
| 54 | void |
| 55 | exaFinishAccessGC(GCPtr pGC) |
| 56 | { |
| 57 | if (pGC->fillStyle == FillTiled) |
| 58 | exaFinishAccess(&pGC->tile.pixmap->drawable, EXA_PREPARE_SRC); |
| 59 | if (pGC->stipple) |
| 60 | exaFinishAccess(&pGC->stipple->drawable, EXA_PREPARE_MASK); |
| 61 | } |
| 62 | |
| 63 | #if DEBUG_TRACE_FALL |
| 64 | char |
| 65 | exaDrawableLocation(DrawablePtr pDrawable) |
| 66 | { |
| 67 | return exaDrawableIsOffscreen(pDrawable) ? 's' : 'm'; |
| 68 | } |
| 69 | #endif /* DEBUG_TRACE_FALL */ |
| 70 | |
| 71 | void |
| 72 | ExaCheckFillSpans(DrawablePtr pDrawable, GCPtr pGC, int nspans, |
| 73 | DDXPointPtr ppt, int *pwidth, int fSorted) |
| 74 | { |
| 75 | EXA_PRE_FALLBACK_GC(pGC); |
| 76 | EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); |
| 77 | exaPrepareAccess(pDrawable, EXA_PREPARE_DEST); |
| 78 | exaPrepareAccessGC(pGC); |
| 79 | pGC->ops->FillSpans(pDrawable, pGC, nspans, ppt, pwidth, fSorted); |
| 80 | exaFinishAccessGC(pGC); |
| 81 | exaFinishAccess(pDrawable, EXA_PREPARE_DEST); |
| 82 | EXA_POST_FALLBACK_GC(pGC); |
| 83 | } |
| 84 | |
| 85 | void |
| 86 | ExaCheckSetSpans(DrawablePtr pDrawable, GCPtr pGC, char *psrc, |
| 87 | DDXPointPtr ppt, int *pwidth, int nspans, int fSorted) |
| 88 | { |
| 89 | EXA_PRE_FALLBACK_GC(pGC); |
| 90 | EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); |
| 91 | exaPrepareAccess(pDrawable, EXA_PREPARE_DEST); |
| 92 | pGC->ops->SetSpans(pDrawable, pGC, psrc, ppt, pwidth, nspans, fSorted); |
| 93 | exaFinishAccess(pDrawable, EXA_PREPARE_DEST); |
| 94 | EXA_POST_FALLBACK_GC(pGC); |
| 95 | } |
| 96 | |
| 97 | void |
| 98 | ExaCheckPutImage(DrawablePtr pDrawable, GCPtr pGC, int depth, |
| 99 | int x, int y, int w, int h, int leftPad, int format, |
| 100 | char *bits) |
| 101 | { |
| 102 | PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable); |
| 103 | |
| 104 | ExaPixmapPriv(pPixmap); |
| 105 | |
| 106 | EXA_PRE_FALLBACK_GC(pGC); |
| 107 | EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); |
| 108 | if (!pExaScr->prepare_access_reg || !pExaPixmap->pDamage || |
| 109 | exaGCReadsDestination(pDrawable, pGC->planemask, pGC->fillStyle, |
| 110 | pGC->alu, pGC->clientClipType)) |
| 111 | exaPrepareAccess(pDrawable, EXA_PREPARE_DEST); |
| 112 | else |
| 113 | pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_DEST, |
| 114 | DamagePendingRegion(pExaPixmap->pDamage)); |
| 115 | pGC->ops->PutImage(pDrawable, pGC, depth, x, y, w, h, leftPad, format, |
| 116 | bits); |
| 117 | exaFinishAccess(pDrawable, EXA_PREPARE_DEST); |
| 118 | EXA_POST_FALLBACK_GC(pGC); |
| 119 | } |
| 120 | |
| 121 | void |
| 122 | ExaCheckCopyNtoN(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, |
| 123 | BoxPtr pbox, int nbox, int dx, int dy, Bool reverse, |
| 124 | Bool upsidedown, Pixel bitplane, void *closure) |
| 125 | { |
| 126 | RegionRec reg; |
| 127 | int xoff, yoff; |
| 128 | |
| 129 | EXA_PRE_FALLBACK_GC(pGC); |
| 130 | EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst, |
| 131 | exaDrawableLocation(pSrc), exaDrawableLocation(pDst))); |
| 132 | |
| 133 | if (pExaScr->prepare_access_reg && RegionInitBoxes(®, pbox, nbox)) { |
| 134 | PixmapPtr pPixmap = exaGetDrawablePixmap(pSrc); |
| 135 | |
| 136 | exaGetDrawableDeltas(pSrc, pPixmap, &xoff, &yoff); |
| 137 | RegionTranslate(®, xoff + dx, yoff + dy); |
| 138 | pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_SRC, ®); |
| 139 | RegionUninit(®); |
| 140 | } |
| 141 | else |
| 142 | exaPrepareAccess(pSrc, EXA_PREPARE_SRC); |
| 143 | |
| 144 | if (pExaScr->prepare_access_reg && |
| 145 | !exaGCReadsDestination(pDst, pGC->planemask, pGC->fillStyle, |
| 146 | pGC->alu, pGC->clientClipType) && |
| 147 | RegionInitBoxes(®, pbox, nbox)) { |
| 148 | PixmapPtr pPixmap = exaGetDrawablePixmap(pDst); |
| 149 | |
| 150 | exaGetDrawableDeltas(pDst, pPixmap, &xoff, &yoff); |
| 151 | RegionTranslate(®, xoff, yoff); |
| 152 | pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_DEST, ®); |
| 153 | RegionUninit(®); |
| 154 | } |
| 155 | else |
| 156 | exaPrepareAccess(pDst, EXA_PREPARE_DEST); |
| 157 | |
| 158 | /* This will eventually call fbCopyNtoN, with some calculation overhead. */ |
| 159 | while (nbox--) { |
| 160 | pGC->ops->CopyArea(pSrc, pDst, pGC, pbox->x1 - pSrc->x + dx, |
| 161 | pbox->y1 - pSrc->y + dy, pbox->x2 - pbox->x1, |
| 162 | pbox->y2 - pbox->y1, pbox->x1 - pDst->x, |
| 163 | pbox->y1 - pDst->y); |
| 164 | pbox++; |
| 165 | } |
| 166 | exaFinishAccess(pSrc, EXA_PREPARE_SRC); |
| 167 | exaFinishAccess(pDst, EXA_PREPARE_DEST); |
| 168 | EXA_POST_FALLBACK_GC(pGC); |
| 169 | } |
| 170 | |
| 171 | static void |
| 172 | ExaFallbackPrepareReg(DrawablePtr pDrawable, |
| 173 | GCPtr pGC, |
| 174 | int x, int y, int width, int height, |
| 175 | int index, Bool checkReads) |
| 176 | { |
| 177 | ScreenPtr pScreen = pDrawable->pScreen; |
| 178 | |
| 179 | ExaScreenPriv(pScreen); |
| 180 | |
| 181 | if (pExaScr->prepare_access_reg && |
| 182 | !(checkReads && exaGCReadsDestination(pDrawable, |
| 183 | pGC->planemask, |
| 184 | pGC->fillStyle, |
| 185 | pGC->alu, pGC->clientClipType))) { |
| 186 | BoxRec box; |
| 187 | RegionRec reg; |
| 188 | int xoff, yoff; |
| 189 | PixmapPtr pPixmap = exaGetDrawablePixmap(pDrawable); |
| 190 | |
| 191 | exaGetDrawableDeltas(pDrawable, pPixmap, &xoff, &yoff); |
| 192 | box.x1 = pDrawable->x + x + xoff; |
| 193 | box.y1 = pDrawable->y + y + yoff; |
| 194 | box.x2 = box.x1 + width; |
| 195 | box.y2 = box.y1 + height; |
| 196 | |
| 197 | RegionInit(®, &box, 1); |
| 198 | pExaScr->prepare_access_reg(pPixmap, index, ®); |
| 199 | RegionUninit(®); |
| 200 | } |
| 201 | else |
| 202 | exaPrepareAccess(pDrawable, index); |
| 203 | } |
| 204 | |
| 205 | RegionPtr |
| 206 | ExaCheckCopyArea(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, |
| 207 | int srcx, int srcy, int w, int h, int dstx, int dsty) |
| 208 | { |
| 209 | RegionPtr ret; |
| 210 | |
| 211 | EXA_PRE_FALLBACK_GC(pGC); |
| 212 | EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst, |
| 213 | exaDrawableLocation(pSrc), exaDrawableLocation(pDst))); |
| 214 | ExaFallbackPrepareReg(pSrc, pGC, srcx, srcy, w, h, EXA_PREPARE_SRC, FALSE); |
| 215 | ExaFallbackPrepareReg(pDst, pGC, dstx, dsty, w, h, EXA_PREPARE_DEST, TRUE); |
| 216 | ret = pGC->ops->CopyArea(pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty); |
| 217 | exaFinishAccess(pSrc, EXA_PREPARE_SRC); |
| 218 | exaFinishAccess(pDst, EXA_PREPARE_DEST); |
| 219 | EXA_POST_FALLBACK_GC(pGC); |
| 220 | |
| 221 | return ret; |
| 222 | } |
| 223 | |
| 224 | RegionPtr |
| 225 | ExaCheckCopyPlane(DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, |
| 226 | int srcx, int srcy, int w, int h, int dstx, int dsty, |
| 227 | unsigned long bitPlane) |
| 228 | { |
| 229 | RegionPtr ret; |
| 230 | |
| 231 | EXA_PRE_FALLBACK_GC(pGC); |
| 232 | EXA_FALLBACK(("from %p to %p (%c,%c)\n", pSrc, pDst, |
| 233 | exaDrawableLocation(pSrc), exaDrawableLocation(pDst))); |
| 234 | ExaFallbackPrepareReg(pSrc, pGC, srcx, srcy, w, h, EXA_PREPARE_SRC, FALSE); |
| 235 | ExaFallbackPrepareReg(pDst, pGC, dstx, dsty, w, h, EXA_PREPARE_DEST, TRUE); |
| 236 | ret = pGC->ops->CopyPlane(pSrc, pDst, pGC, srcx, srcy, w, h, dstx, dsty, |
| 237 | bitPlane); |
| 238 | exaFinishAccess(pSrc, EXA_PREPARE_SRC); |
| 239 | exaFinishAccess(pDst, EXA_PREPARE_DEST); |
| 240 | EXA_POST_FALLBACK_GC(pGC); |
| 241 | |
| 242 | return ret; |
| 243 | } |
| 244 | |
| 245 | void |
| 246 | ExaCheckPolyPoint(DrawablePtr pDrawable, GCPtr pGC, int mode, int npt, |
| 247 | DDXPointPtr pptInit) |
| 248 | { |
| 249 | EXA_PRE_FALLBACK_GC(pGC); |
| 250 | EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); |
| 251 | exaPrepareAccess(pDrawable, EXA_PREPARE_DEST); |
| 252 | pGC->ops->PolyPoint(pDrawable, pGC, mode, npt, pptInit); |
| 253 | exaFinishAccess(pDrawable, EXA_PREPARE_DEST); |
| 254 | EXA_POST_FALLBACK_GC(pGC); |
| 255 | } |
| 256 | |
| 257 | void |
| 258 | ExaCheckPolylines(DrawablePtr pDrawable, GCPtr pGC, |
| 259 | int mode, int npt, DDXPointPtr ppt) |
| 260 | { |
| 261 | EXA_PRE_FALLBACK_GC(pGC); |
| 262 | EXA_FALLBACK(("to %p (%c), width %d, mode %d, count %d\n", |
| 263 | pDrawable, exaDrawableLocation(pDrawable), |
| 264 | pGC->lineWidth, mode, npt)); |
| 265 | |
| 266 | exaPrepareAccess(pDrawable, EXA_PREPARE_DEST); |
| 267 | exaPrepareAccessGC(pGC); |
| 268 | pGC->ops->Polylines(pDrawable, pGC, mode, npt, ppt); |
| 269 | exaFinishAccessGC(pGC); |
| 270 | exaFinishAccess(pDrawable, EXA_PREPARE_DEST); |
| 271 | EXA_POST_FALLBACK_GC(pGC); |
| 272 | } |
| 273 | |
| 274 | void |
| 275 | ExaCheckPolySegment(DrawablePtr pDrawable, GCPtr pGC, |
| 276 | int nsegInit, xSegment * pSegInit) |
| 277 | { |
| 278 | EXA_PRE_FALLBACK_GC(pGC); |
| 279 | EXA_FALLBACK(("to %p (%c) width %d, count %d\n", pDrawable, |
| 280 | exaDrawableLocation(pDrawable), pGC->lineWidth, nsegInit)); |
| 281 | |
| 282 | exaPrepareAccess(pDrawable, EXA_PREPARE_DEST); |
| 283 | exaPrepareAccessGC(pGC); |
| 284 | pGC->ops->PolySegment(pDrawable, pGC, nsegInit, pSegInit); |
| 285 | exaFinishAccessGC(pGC); |
| 286 | exaFinishAccess(pDrawable, EXA_PREPARE_DEST); |
| 287 | EXA_POST_FALLBACK_GC(pGC); |
| 288 | } |
| 289 | |
| 290 | void |
| 291 | ExaCheckPolyArc(DrawablePtr pDrawable, GCPtr pGC, int narcs, xArc * pArcs) |
| 292 | { |
| 293 | EXA_PRE_FALLBACK_GC(pGC); |
| 294 | EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); |
| 295 | |
| 296 | exaPrepareAccess(pDrawable, EXA_PREPARE_DEST); |
| 297 | exaPrepareAccessGC(pGC); |
| 298 | pGC->ops->PolyArc(pDrawable, pGC, narcs, pArcs); |
| 299 | exaFinishAccessGC(pGC); |
| 300 | exaFinishAccess(pDrawable, EXA_PREPARE_DEST); |
| 301 | EXA_POST_FALLBACK_GC(pGC); |
| 302 | } |
| 303 | |
| 304 | void |
| 305 | ExaCheckPolyFillRect(DrawablePtr pDrawable, GCPtr pGC, |
| 306 | int nrect, xRectangle *prect) |
| 307 | { |
| 308 | EXA_PRE_FALLBACK_GC(pGC); |
| 309 | EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); |
| 310 | |
| 311 | exaPrepareAccess(pDrawable, EXA_PREPARE_DEST); |
| 312 | exaPrepareAccessGC(pGC); |
| 313 | pGC->ops->PolyFillRect(pDrawable, pGC, nrect, prect); |
| 314 | exaFinishAccessGC(pGC); |
| 315 | exaFinishAccess(pDrawable, EXA_PREPARE_DEST); |
| 316 | EXA_POST_FALLBACK_GC(pGC); |
| 317 | } |
| 318 | |
| 319 | void |
| 320 | ExaCheckImageGlyphBlt(DrawablePtr pDrawable, GCPtr pGC, |
| 321 | int x, int y, unsigned int nglyph, |
| 322 | CharInfoPtr * ppci, pointer pglyphBase) |
| 323 | { |
| 324 | EXA_PRE_FALLBACK_GC(pGC); |
| 325 | EXA_FALLBACK(("to %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); |
| 326 | exaPrepareAccess(pDrawable, EXA_PREPARE_DEST); |
| 327 | exaPrepareAccessGC(pGC); |
| 328 | pGC->ops->ImageGlyphBlt(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase); |
| 329 | exaFinishAccessGC(pGC); |
| 330 | exaFinishAccess(pDrawable, EXA_PREPARE_DEST); |
| 331 | EXA_POST_FALLBACK_GC(pGC); |
| 332 | } |
| 333 | |
| 334 | void |
| 335 | ExaCheckPolyGlyphBlt(DrawablePtr pDrawable, GCPtr pGC, |
| 336 | int x, int y, unsigned int nglyph, |
| 337 | CharInfoPtr * ppci, pointer pglyphBase) |
| 338 | { |
| 339 | EXA_PRE_FALLBACK_GC(pGC); |
| 340 | EXA_FALLBACK(("to %p (%c), style %d alu %d\n", pDrawable, |
| 341 | exaDrawableLocation(pDrawable), pGC->fillStyle, pGC->alu)); |
| 342 | exaPrepareAccess(pDrawable, EXA_PREPARE_DEST); |
| 343 | exaPrepareAccessGC(pGC); |
| 344 | pGC->ops->PolyGlyphBlt(pDrawable, pGC, x, y, nglyph, ppci, pglyphBase); |
| 345 | exaFinishAccessGC(pGC); |
| 346 | exaFinishAccess(pDrawable, EXA_PREPARE_DEST); |
| 347 | EXA_POST_FALLBACK_GC(pGC); |
| 348 | } |
| 349 | |
| 350 | void |
| 351 | ExaCheckPushPixels(GCPtr pGC, PixmapPtr pBitmap, |
| 352 | DrawablePtr pDrawable, int w, int h, int x, int y) |
| 353 | { |
| 354 | EXA_PRE_FALLBACK_GC(pGC); |
| 355 | EXA_FALLBACK(("from %p to %p (%c,%c)\n", pBitmap, pDrawable, |
| 356 | exaDrawableLocation(&pBitmap->drawable), |
| 357 | exaDrawableLocation(pDrawable))); |
| 358 | ExaFallbackPrepareReg(pDrawable, pGC, x, y, w, h, EXA_PREPARE_DEST, TRUE); |
| 359 | ExaFallbackPrepareReg(&pBitmap->drawable, pGC, 0, 0, w, h, |
| 360 | EXA_PREPARE_SRC, FALSE); |
| 361 | exaPrepareAccessGC(pGC); |
| 362 | pGC->ops->PushPixels(pGC, pBitmap, pDrawable, w, h, x, y); |
| 363 | exaFinishAccessGC(pGC); |
| 364 | exaFinishAccess(&pBitmap->drawable, EXA_PREPARE_SRC); |
| 365 | exaFinishAccess(pDrawable, EXA_PREPARE_DEST); |
| 366 | EXA_POST_FALLBACK_GC(pGC); |
| 367 | } |
| 368 | |
| 369 | void |
| 370 | ExaCheckCopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc) |
| 371 | { |
| 372 | DrawablePtr pDrawable = &pWin->drawable; |
| 373 | ScreenPtr pScreen = pDrawable->pScreen; |
| 374 | |
| 375 | EXA_PRE_FALLBACK(pScreen); |
| 376 | EXA_FALLBACK(("from %p\n", pWin)); |
| 377 | |
| 378 | /* Only need the source bits, the destination region will be overwritten */ |
| 379 | if (pExaScr->prepare_access_reg) { |
| 380 | PixmapPtr pPixmap = pScreen->GetWindowPixmap(pWin); |
| 381 | int xoff, yoff; |
| 382 | |
| 383 | exaGetDrawableDeltas(&pWin->drawable, pPixmap, &xoff, &yoff); |
| 384 | RegionTranslate(prgnSrc, xoff, yoff); |
| 385 | pExaScr->prepare_access_reg(pPixmap, EXA_PREPARE_SRC, prgnSrc); |
| 386 | RegionTranslate(prgnSrc, -xoff, -yoff); |
| 387 | } |
| 388 | else |
| 389 | exaPrepareAccess(pDrawable, EXA_PREPARE_SRC); |
| 390 | |
| 391 | swap(pExaScr, pScreen, CopyWindow); |
| 392 | pScreen->CopyWindow(pWin, ptOldOrg, prgnSrc); |
| 393 | swap(pExaScr, pScreen, CopyWindow); |
| 394 | exaFinishAccess(pDrawable, EXA_PREPARE_SRC); |
| 395 | EXA_POST_FALLBACK(pScreen); |
| 396 | } |
| 397 | |
| 398 | void |
| 399 | ExaCheckGetImage(DrawablePtr pDrawable, int x, int y, int w, int h, |
| 400 | unsigned int format, unsigned long planeMask, char *d) |
| 401 | { |
| 402 | ScreenPtr pScreen = pDrawable->pScreen; |
| 403 | |
| 404 | EXA_PRE_FALLBACK(pScreen); |
| 405 | EXA_FALLBACK(("from %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); |
| 406 | |
| 407 | ExaFallbackPrepareReg(pDrawable, NULL, x, y, w, h, EXA_PREPARE_SRC, FALSE); |
| 408 | swap(pExaScr, pScreen, GetImage); |
| 409 | pScreen->GetImage(pDrawable, x, y, w, h, format, planeMask, d); |
| 410 | swap(pExaScr, pScreen, GetImage); |
| 411 | exaFinishAccess(pDrawable, EXA_PREPARE_SRC); |
| 412 | EXA_POST_FALLBACK(pScreen); |
| 413 | } |
| 414 | |
| 415 | void |
| 416 | ExaCheckGetSpans(DrawablePtr pDrawable, |
| 417 | int wMax, |
| 418 | DDXPointPtr ppt, int *pwidth, int nspans, char *pdstStart) |
| 419 | { |
| 420 | ScreenPtr pScreen = pDrawable->pScreen; |
| 421 | |
| 422 | EXA_PRE_FALLBACK(pScreen); |
| 423 | EXA_FALLBACK(("from %p (%c)\n", pDrawable, exaDrawableLocation(pDrawable))); |
| 424 | exaPrepareAccess(pDrawable, EXA_PREPARE_SRC); |
| 425 | swap(pExaScr, pScreen, GetSpans); |
| 426 | pScreen->GetSpans(pDrawable, wMax, ppt, pwidth, nspans, pdstStart); |
| 427 | swap(pExaScr, pScreen, GetSpans); |
| 428 | exaFinishAccess(pDrawable, EXA_PREPARE_SRC); |
| 429 | EXA_POST_FALLBACK(pScreen); |
| 430 | } |
| 431 | |
| 432 | static void |
| 433 | ExaSrcValidate(DrawablePtr pDrawable, |
| 434 | int x, int y, int width, int height, unsigned int subWindowMode) |
| 435 | { |
| 436 | ScreenPtr pScreen = pDrawable->pScreen; |
| 437 | |
| 438 | ExaScreenPriv(pScreen); |
| 439 | PixmapPtr pPix = exaGetDrawablePixmap(pDrawable); |
| 440 | BoxRec box; |
| 441 | RegionRec reg; |
| 442 | RegionPtr dst; |
| 443 | int xoff, yoff; |
| 444 | |
| 445 | if (pExaScr->srcPix == pPix) |
| 446 | dst = &pExaScr->srcReg; |
| 447 | else if (pExaScr->maskPix == pPix) |
| 448 | dst = &pExaScr->maskReg; |
| 449 | else |
| 450 | return; |
| 451 | |
| 452 | exaGetDrawableDeltas(pDrawable, pPix, &xoff, &yoff); |
| 453 | |
| 454 | box.x1 = x + xoff; |
| 455 | box.y1 = y + yoff; |
| 456 | box.x2 = box.x1 + width; |
| 457 | box.y2 = box.y1 + height; |
| 458 | |
| 459 | RegionInit(®, &box, 1); |
| 460 | RegionUnion(dst, dst, ®); |
| 461 | RegionUninit(®); |
| 462 | |
| 463 | if (pExaScr->SavedSourceValidate) { |
| 464 | swap(pExaScr, pScreen, SourceValidate); |
| 465 | pScreen->SourceValidate(pDrawable, x, y, width, height, subWindowMode); |
| 466 | swap(pExaScr, pScreen, SourceValidate); |
| 467 | } |
| 468 | } |
| 469 | |
| 470 | static Bool |
| 471 | ExaPrepareCompositeReg(ScreenPtr pScreen, |
| 472 | CARD8 op, |
| 473 | PicturePtr pSrc, |
| 474 | PicturePtr pMask, |
| 475 | PicturePtr pDst, |
| 476 | INT16 xSrc, |
| 477 | INT16 ySrc, |
| 478 | INT16 xMask, |
| 479 | INT16 yMask, |
| 480 | INT16 xDst, INT16 yDst, CARD16 width, CARD16 height) |
| 481 | { |
| 482 | RegionRec region; |
| 483 | RegionPtr dstReg = NULL; |
| 484 | RegionPtr srcReg = NULL; |
| 485 | RegionPtr maskReg = NULL; |
| 486 | PixmapPtr pSrcPix = NULL; |
| 487 | PixmapPtr pMaskPix = NULL; |
| 488 | PixmapPtr pDstPix; |
| 489 | |
| 490 | ExaScreenPriv(pScreen); |
| 491 | Bool ret; |
| 492 | |
| 493 | RegionNull(®ion); |
| 494 | |
| 495 | if (pSrc->pDrawable) { |
| 496 | pSrcPix = exaGetDrawablePixmap(pSrc->pDrawable); |
| 497 | RegionNull(&pExaScr->srcReg); |
| 498 | srcReg = &pExaScr->srcReg; |
| 499 | pExaScr->srcPix = pSrcPix; |
| 500 | if (pSrc != pDst) |
| 501 | RegionTranslate(pSrc->pCompositeClip, |
| 502 | -pSrc->pDrawable->x, -pSrc->pDrawable->y); |
| 503 | } else |
| 504 | pExaScr->srcPix = NULL; |
| 505 | |
| 506 | if (pMask && pMask->pDrawable) { |
| 507 | pMaskPix = exaGetDrawablePixmap(pMask->pDrawable); |
| 508 | RegionNull(&pExaScr->maskReg); |
| 509 | maskReg = &pExaScr->maskReg; |
| 510 | pExaScr->maskPix = pMaskPix; |
| 511 | if (pMask != pDst && pMask != pSrc) |
| 512 | RegionTranslate(pMask->pCompositeClip, |
| 513 | -pMask->pDrawable->x, -pMask->pDrawable->y); |
| 514 | } else |
| 515 | pExaScr->maskPix = NULL; |
| 516 | |
| 517 | RegionTranslate(pDst->pCompositeClip, |
| 518 | -pDst->pDrawable->x, -pDst->pDrawable->y); |
| 519 | |
| 520 | pExaScr->SavedSourceValidate = ExaSrcValidate; |
| 521 | swap(pExaScr, pScreen, SourceValidate); |
| 522 | ret = miComputeCompositeRegion(®ion, pSrc, pMask, pDst, |
| 523 | xSrc, ySrc, xMask, yMask, |
| 524 | xDst, yDst, width, height); |
| 525 | swap(pExaScr, pScreen, SourceValidate); |
| 526 | |
| 527 | RegionTranslate(pDst->pCompositeClip, |
| 528 | pDst->pDrawable->x, pDst->pDrawable->y); |
| 529 | if (pSrc->pDrawable && pSrc != pDst) |
| 530 | RegionTranslate(pSrc->pCompositeClip, |
| 531 | pSrc->pDrawable->x, pSrc->pDrawable->y); |
| 532 | if (pMask && pMask->pDrawable && pMask != pDst && pMask != pSrc) |
| 533 | RegionTranslate(pMask->pCompositeClip, |
| 534 | pMask->pDrawable->x, pMask->pDrawable->y); |
| 535 | |
| 536 | if (!ret) { |
| 537 | if (srcReg) |
| 538 | RegionUninit(srcReg); |
| 539 | if (maskReg) |
| 540 | RegionUninit(maskReg); |
| 541 | |
| 542 | return FALSE; |
| 543 | } |
| 544 | |
| 545 | /** |
| 546 | * Don't limit alphamaps readbacks for now until we've figured out how that |
| 547 | * should be done. |
| 548 | */ |
| 549 | |
| 550 | if (pSrc->alphaMap && pSrc->alphaMap->pDrawable) |
| 551 | pExaScr-> |
| 552 | prepare_access_reg(exaGetDrawablePixmap(pSrc->alphaMap->pDrawable), |
| 553 | EXA_PREPARE_AUX_SRC, NULL); |
| 554 | if (pMask && pMask->alphaMap && pMask->alphaMap->pDrawable) |
| 555 | pExaScr-> |
| 556 | prepare_access_reg(exaGetDrawablePixmap(pMask->alphaMap->pDrawable), |
| 557 | EXA_PREPARE_AUX_MASK, NULL); |
| 558 | |
| 559 | if (pSrcPix) |
| 560 | pExaScr->prepare_access_reg(pSrcPix, EXA_PREPARE_SRC, srcReg); |
| 561 | |
| 562 | if (pMaskPix) |
| 563 | pExaScr->prepare_access_reg(pMaskPix, EXA_PREPARE_MASK, maskReg); |
| 564 | |
| 565 | if (srcReg) |
| 566 | RegionUninit(srcReg); |
| 567 | if (maskReg) |
| 568 | RegionUninit(maskReg); |
| 569 | |
| 570 | pDstPix = exaGetDrawablePixmap(pDst->pDrawable); |
| 571 | if (!exaOpReadsDestination(op)) { |
| 572 | int xoff; |
| 573 | int yoff; |
| 574 | |
| 575 | exaGetDrawableDeltas(pDst->pDrawable, pDstPix, &xoff, &yoff); |
| 576 | RegionTranslate(®ion, pDst->pDrawable->x + xoff, |
| 577 | pDst->pDrawable->y + yoff); |
| 578 | dstReg = ®ion; |
| 579 | } |
| 580 | |
| 581 | if (pDst->alphaMap && pDst->alphaMap->pDrawable) |
| 582 | pExaScr-> |
| 583 | prepare_access_reg(exaGetDrawablePixmap(pDst->alphaMap->pDrawable), |
| 584 | EXA_PREPARE_AUX_DEST, dstReg); |
| 585 | pExaScr->prepare_access_reg(pDstPix, EXA_PREPARE_DEST, dstReg); |
| 586 | |
| 587 | RegionUninit(®ion); |
| 588 | return TRUE; |
| 589 | } |
| 590 | |
| 591 | void |
| 592 | ExaCheckComposite(CARD8 op, |
| 593 | PicturePtr pSrc, |
| 594 | PicturePtr pMask, |
| 595 | PicturePtr pDst, |
| 596 | INT16 xSrc, |
| 597 | INT16 ySrc, |
| 598 | INT16 xMask, |
| 599 | INT16 yMask, |
| 600 | INT16 xDst, INT16 yDst, CARD16 width, CARD16 height) |
| 601 | { |
| 602 | ScreenPtr pScreen = pDst->pDrawable->pScreen; |
| 603 | PictureScreenPtr ps = GetPictureScreen(pScreen); |
| 604 | |
| 605 | EXA_PRE_FALLBACK(pScreen); |
| 606 | |
| 607 | if (pExaScr->prepare_access_reg) { |
| 608 | if (!ExaPrepareCompositeReg(pScreen, op, pSrc, pMask, pDst, xSrc, |
| 609 | ySrc, xMask, yMask, xDst, yDst, width, |
| 610 | height)) |
| 611 | goto out_no_clip; |
| 612 | } |
| 613 | else { |
| 614 | |
| 615 | /* We need to prepare access to any separate alpha maps first, |
| 616 | * in case the driver doesn't support EXA_PREPARE_AUX*, |
| 617 | * in which case EXA_PREPARE_SRC may be used for moving them out. |
| 618 | */ |
| 619 | |
| 620 | if (pSrc->alphaMap && pSrc->alphaMap->pDrawable) |
| 621 | exaPrepareAccess(pSrc->alphaMap->pDrawable, EXA_PREPARE_AUX_SRC); |
| 622 | if (pMask && pMask->alphaMap && pMask->alphaMap->pDrawable) |
| 623 | exaPrepareAccess(pMask->alphaMap->pDrawable, EXA_PREPARE_AUX_MASK); |
| 624 | if (pDst->alphaMap && pDst->alphaMap->pDrawable) |
| 625 | exaPrepareAccess(pDst->alphaMap->pDrawable, EXA_PREPARE_AUX_DEST); |
| 626 | |
| 627 | exaPrepareAccess(pDst->pDrawable, EXA_PREPARE_DEST); |
| 628 | |
| 629 | EXA_FALLBACK(("from picts %p/%p to pict %p\n", pSrc, pMask, pDst)); |
| 630 | |
| 631 | if (pSrc->pDrawable != NULL) |
| 632 | exaPrepareAccess(pSrc->pDrawable, EXA_PREPARE_SRC); |
| 633 | if (pMask && pMask->pDrawable != NULL) |
| 634 | exaPrepareAccess(pMask->pDrawable, EXA_PREPARE_MASK); |
| 635 | } |
| 636 | |
| 637 | swap(pExaScr, ps, Composite); |
| 638 | ps->Composite(op, |
| 639 | pSrc, |
| 640 | pMask, |
| 641 | pDst, xSrc, ySrc, xMask, yMask, xDst, yDst, width, height); |
| 642 | swap(pExaScr, ps, Composite); |
| 643 | if (pMask && pMask->pDrawable != NULL) |
| 644 | exaFinishAccess(pMask->pDrawable, EXA_PREPARE_MASK); |
| 645 | if (pSrc->pDrawable != NULL) |
| 646 | exaFinishAccess(pSrc->pDrawable, EXA_PREPARE_SRC); |
| 647 | exaFinishAccess(pDst->pDrawable, EXA_PREPARE_DEST); |
| 648 | if (pDst->alphaMap && pDst->alphaMap->pDrawable) |
| 649 | exaFinishAccess(pDst->alphaMap->pDrawable, EXA_PREPARE_AUX_DEST); |
| 650 | if (pSrc->alphaMap && pSrc->alphaMap->pDrawable) |
| 651 | exaFinishAccess(pSrc->alphaMap->pDrawable, EXA_PREPARE_AUX_SRC); |
| 652 | if (pMask && pMask->alphaMap && pMask->alphaMap->pDrawable) |
| 653 | exaFinishAccess(pMask->alphaMap->pDrawable, EXA_PREPARE_AUX_MASK); |
| 654 | |
| 655 | out_no_clip: |
| 656 | EXA_POST_FALLBACK(pScreen); |
| 657 | } |
| 658 | |
| 659 | /** |
| 660 | * Avoid migration ping-pong when using a mask. |
| 661 | */ |
| 662 | void |
| 663 | ExaCheckGlyphs(CARD8 op, |
| 664 | PicturePtr pSrc, |
| 665 | PicturePtr pDst, |
| 666 | PictFormatPtr maskFormat, |
| 667 | INT16 xSrc, |
| 668 | INT16 ySrc, int nlist, GlyphListPtr list, GlyphPtr * glyphs) |
| 669 | { |
| 670 | ScreenPtr pScreen = pDst->pDrawable->pScreen; |
| 671 | |
| 672 | EXA_PRE_FALLBACK(pScreen); |
| 673 | |
| 674 | miGlyphs(op, pSrc, pDst, maskFormat, xSrc, ySrc, nlist, list, glyphs); |
| 675 | |
| 676 | EXA_POST_FALLBACK(pScreen); |
| 677 | } |
| 678 | |
| 679 | void |
| 680 | ExaCheckAddTraps(PicturePtr pPicture, |
| 681 | INT16 x_off, INT16 y_off, int ntrap, xTrap * traps) |
| 682 | { |
| 683 | ScreenPtr pScreen = pPicture->pDrawable->pScreen; |
| 684 | PictureScreenPtr ps = GetPictureScreen(pScreen); |
| 685 | |
| 686 | EXA_PRE_FALLBACK(pScreen); |
| 687 | |
| 688 | EXA_FALLBACK(("to pict %p (%c)\n", |
| 689 | exaDrawableLocation(pPicture->pDrawable))); |
| 690 | exaPrepareAccess(pPicture->pDrawable, EXA_PREPARE_DEST); |
| 691 | swap(pExaScr, ps, AddTraps); |
| 692 | ps->AddTraps(pPicture, x_off, y_off, ntrap, traps); |
| 693 | swap(pExaScr, ps, AddTraps); |
| 694 | exaFinishAccess(pPicture->pDrawable, EXA_PREPARE_DEST); |
| 695 | EXA_POST_FALLBACK(pScreen); |
| 696 | } |
| 697 | |
| 698 | /** |
| 699 | * Gets the 0,0 pixel of a pixmap. Used for doing solid fills of tiled pixmaps |
| 700 | * that happen to be 1x1. Pixmap must be at least 8bpp. |
| 701 | */ |
| 702 | CARD32 |
| 703 | exaGetPixmapFirstPixel(PixmapPtr pPixmap) |
| 704 | { |
| 705 | switch (pPixmap->drawable.bitsPerPixel) { |
| 706 | case 32: |
| 707 | { |
| 708 | CARD32 pixel; |
| 709 | |
| 710 | pPixmap->drawable.pScreen->GetImage(&pPixmap->drawable, 0, 0, 1, 1, |
| 711 | ZPixmap, ~0, (char *) &pixel); |
| 712 | return pixel; |
| 713 | } |
| 714 | case 16: |
| 715 | { |
| 716 | CARD16 pixel; |
| 717 | |
| 718 | pPixmap->drawable.pScreen->GetImage(&pPixmap->drawable, 0, 0, 1, 1, |
| 719 | ZPixmap, ~0, (char *) &pixel); |
| 720 | return pixel; |
| 721 | } |
| 722 | case 8: |
| 723 | case 4: |
| 724 | case 1: |
| 725 | { |
| 726 | CARD8 pixel; |
| 727 | |
| 728 | pPixmap->drawable.pScreen->GetImage(&pPixmap->drawable, 0, 0, 1, 1, |
| 729 | ZPixmap, ~0, (char *) &pixel); |
| 730 | return pixel; |
| 731 | } |
| 732 | default: |
| 733 | FatalError("%s called for invalid bpp %d\n", __func__, |
| 734 | pPixmap->drawable.bitsPerPixel); |
| 735 | } |
| 736 | } |