| File: | render/picture.c |
| Location: | line 463, column 10 |
| Description: | Access to field 'InitIndexed' results in a dereference of a null pointer (loaded from variable 'ps') |
| 1 | /* | |||
| 2 | * | |||
| 3 | * Copyright © 2000 SuSE, Inc. | |||
| 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 SuSE not be used in advertising or | |||
| 10 | * publicity pertaining to distribution of the software without specific, | |||
| 11 | * written prior permission. SuSE makes no representations about the | |||
| 12 | * suitability of this software for any purpose. It is provided "as is" | |||
| 13 | * without express or implied warranty. | |||
| 14 | * | |||
| 15 | * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL | |||
| 16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE | |||
| 17 | * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES | |||
| 18 | * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION | |||
| 19 | * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN | |||
| 20 | * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. | |||
| 21 | * | |||
| 22 | * Author: Keith Packard, SuSE, Inc. | |||
| 23 | */ | |||
| 24 | ||||
| 25 | #ifdef HAVE_DIX_CONFIG_H1 | |||
| 26 | #include <dix-config.h> | |||
| 27 | #endif | |||
| 28 | ||||
| 29 | #include "misc.h" | |||
| 30 | #include "scrnintstr.h" | |||
| 31 | #include "os.h" | |||
| 32 | #include "regionstr.h" | |||
| 33 | #include "validate.h" | |||
| 34 | #include "windowstr.h" | |||
| 35 | #include "input.h" | |||
| 36 | #include "resource.h" | |||
| 37 | #include "colormapst.h" | |||
| 38 | #include "cursorstr.h" | |||
| 39 | #include "dixstruct.h" | |||
| 40 | #include "gcstruct.h" | |||
| 41 | #include "servermd.h" | |||
| 42 | #include "picturestr.h" | |||
| 43 | #include "xace.h" | |||
| 44 | #ifdef PANORAMIX1 | |||
| 45 | #include "panoramiXsrv.h" | |||
| 46 | #endif | |||
| 47 | ||||
| 48 | DevPrivateKeyRec PictureScreenPrivateKeyRec; | |||
| 49 | DevPrivateKeyRec PictureWindowPrivateKeyRec; | |||
| 50 | static int PictureGeneration; | |||
| 51 | RESTYPE PictureType; | |||
| 52 | RESTYPE PictFormatType; | |||
| 53 | RESTYPE GlyphSetType; | |||
| 54 | int PictureCmapPolicy = PictureCmapPolicyDefault0; | |||
| 55 | ||||
| 56 | PictFormatPtr | |||
| 57 | PictureWindowFormat(WindowPtr pWindow) | |||
| 58 | { | |||
| 59 | ScreenPtr pScreen = pWindow->drawable.pScreen; | |||
| 60 | return PictureMatchVisual(pScreen, pWindow->drawable.depth, | |||
| 61 | WindowGetVisual(pWindow)); | |||
| 62 | } | |||
| 63 | ||||
| 64 | Bool | |||
| 65 | PictureDestroyWindow(WindowPtr pWindow) | |||
| 66 | { | |||
| 67 | ScreenPtr pScreen = pWindow->drawable.pScreen; | |||
| 68 | PicturePtr pPicture; | |||
| 69 | PictureScreenPtr ps = GetPictureScreen(pScreen)((PictureScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&PictureScreenPrivateKeyRec))); | |||
| 70 | Bool ret; | |||
| 71 | ||||
| 72 | while ((pPicture = GetPictureWindow(pWindow)((PicturePtr)dixLookupPrivate(&(pWindow)->devPrivates, (&PictureWindowPrivateKeyRec))))) { | |||
| 73 | SetPictureWindow(pWindow, pPicture->pNext)dixSetPrivate(&(pWindow)->devPrivates, (&PictureWindowPrivateKeyRec ), pPicture->pNext); | |||
| 74 | if (pPicture->id) | |||
| 75 | FreeResource(pPicture->id, PictureType); | |||
| 76 | FreePicture((void *) pPicture, pPicture->id); | |||
| 77 | } | |||
| 78 | pScreen->DestroyWindow = ps->DestroyWindow; | |||
| 79 | ret = (*pScreen->DestroyWindow) (pWindow); | |||
| 80 | ps->DestroyWindow = pScreen->DestroyWindow; | |||
| 81 | pScreen->DestroyWindow = PictureDestroyWindow; | |||
| 82 | return ret; | |||
| 83 | } | |||
| 84 | ||||
| 85 | Bool | |||
| 86 | PictureCloseScreen(ScreenPtr pScreen) | |||
| 87 | { | |||
| 88 | PictureScreenPtr ps = GetPictureScreen(pScreen)((PictureScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&PictureScreenPrivateKeyRec))); | |||
| 89 | Bool ret; | |||
| 90 | int n; | |||
| 91 | ||||
| 92 | pScreen->CloseScreen = ps->CloseScreen; | |||
| 93 | ret = (*pScreen->CloseScreen) (pScreen); | |||
| 94 | PictureResetFilters(pScreen); | |||
| 95 | for (n = 0; n < ps->nformats; n++) | |||
| 96 | if (ps->formats[n].type == PictTypeIndexed0) | |||
| 97 | (*ps->CloseIndexed) (pScreen, &ps->formats[n]); | |||
| 98 | GlyphUninit(pScreen); | |||
| 99 | SetPictureScreen(pScreen, 0)dixSetPrivate(&(pScreen)->devPrivates, (&PictureScreenPrivateKeyRec ), 0); | |||
| 100 | free(ps->formats); | |||
| 101 | free(ps); | |||
| 102 | return ret; | |||
| 103 | } | |||
| 104 | ||||
| 105 | void | |||
| 106 | PictureStoreColors(ColormapPtr pColormap, int ndef, xColorItem * pdef) | |||
| 107 | { | |||
| 108 | ScreenPtr pScreen = pColormap->pScreen; | |||
| 109 | PictureScreenPtr ps = GetPictureScreen(pScreen)((PictureScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&PictureScreenPrivateKeyRec))); | |||
| 110 | ||||
| 111 | pScreen->StoreColors = ps->StoreColors; | |||
| 112 | (*pScreen->StoreColors) (pColormap, ndef, pdef); | |||
| 113 | ps->StoreColors = pScreen->StoreColors; | |||
| 114 | pScreen->StoreColors = PictureStoreColors; | |||
| 115 | ||||
| 116 | if (pColormap->class == PseudoColor3 || pColormap->class == GrayScale1) { | |||
| 117 | PictFormatPtr format = ps->formats; | |||
| 118 | int nformats = ps->nformats; | |||
| 119 | ||||
| 120 | while (nformats--) { | |||
| 121 | if (format->type == PictTypeIndexed0 && | |||
| 122 | format->index.pColormap == pColormap) { | |||
| 123 | (*ps->UpdateIndexed) (pScreen, format, ndef, pdef); | |||
| 124 | break; | |||
| 125 | } | |||
| 126 | format++; | |||
| 127 | } | |||
| 128 | } | |||
| 129 | } | |||
| 130 | ||||
| 131 | static int | |||
| 132 | visualDepth(ScreenPtr pScreen, VisualPtr pVisual) | |||
| 133 | { | |||
| 134 | int d, v; | |||
| 135 | DepthPtr pDepth; | |||
| 136 | ||||
| 137 | for (d = 0; d < pScreen->numDepths; d++) { | |||
| 138 | pDepth = &pScreen->allowedDepths[d]; | |||
| 139 | for (v = 0; v < pDepth->numVids; v++) | |||
| 140 | if (pDepth->vids[v] == pVisual->vid) | |||
| 141 | return pDepth->depth; | |||
| 142 | } | |||
| 143 | return 0; | |||
| 144 | } | |||
| 145 | ||||
| 146 | typedef struct _formatInit { | |||
| 147 | CARD32 format; | |||
| 148 | CARD8 depth; | |||
| 149 | } FormatInitRec, *FormatInitPtr; | |||
| 150 | ||||
| 151 | static int | |||
| 152 | addFormat(FormatInitRec formats[256], int nformat, CARD32 format, CARD8 depth) | |||
| 153 | { | |||
| 154 | int n; | |||
| 155 | ||||
| 156 | for (n = 0; n < nformat; n++) | |||
| 157 | if (formats[n].format == format && formats[n].depth == depth) | |||
| 158 | return nformat; | |||
| 159 | formats[nformat].format = format; | |||
| 160 | formats[nformat].depth = depth; | |||
| 161 | return ++nformat; | |||
| 162 | } | |||
| 163 | ||||
| 164 | #define Mask(n)((1 << (n)) - 1) ((1 << (n)) - 1) | |||
| 165 | ||||
| 166 | PictFormatPtr | |||
| 167 | PictureCreateDefaultFormats(ScreenPtr pScreen, int *nformatp) | |||
| 168 | { | |||
| 169 | int nformats, f; | |||
| 170 | PictFormatPtr pFormats; | |||
| 171 | FormatInitRec formats[1024]; | |||
| 172 | CARD32 format; | |||
| 173 | CARD8 depth; | |||
| 174 | VisualPtr pVisual; | |||
| 175 | int v; | |||
| 176 | int bpp; | |||
| 177 | int type; | |||
| 178 | int r, g, b; | |||
| 179 | int d; | |||
| 180 | DepthPtr pDepth; | |||
| 181 | ||||
| 182 | nformats = 0; | |||
| 183 | /* formats required by protocol */ | |||
| 184 | formats[nformats].format = PICT_a1; | |||
| 185 | formats[nformats].depth = 1; | |||
| 186 | nformats++; | |||
| 187 | formats[nformats].format = PICT_FORMAT(BitsPerPixel(8),((((PixmapWidthPaddingInfo[8].bitsPerPixel)) << 24) | ( (1) << 16) | ((8) << 12) | ((0) << 8) | ((0 ) << 4) | ((0))) | |||
| 188 | PICT_TYPE_A, 8, 0, 0, 0)((((PixmapWidthPaddingInfo[8].bitsPerPixel)) << 24) | ( (1) << 16) | ((8) << 12) | ((0) << 8) | ((0 ) << 4) | ((0))); | |||
| 189 | formats[nformats].depth = 8; | |||
| 190 | nformats++; | |||
| 191 | formats[nformats].format = PICT_FORMAT(BitsPerPixel(4),((((PixmapWidthPaddingInfo[4].bitsPerPixel)) << 24) | ( (1) << 16) | ((4) << 12) | ((0) << 8) | ((0 ) << 4) | ((0))) | |||
| 192 | PICT_TYPE_A, 4, 0, 0, 0)((((PixmapWidthPaddingInfo[4].bitsPerPixel)) << 24) | ( (1) << 16) | ((4) << 12) | ((0) << 8) | ((0 ) << 4) | ((0))); | |||
| 193 | formats[nformats].depth = 4; | |||
| 194 | nformats++; | |||
| 195 | formats[nformats].format = PICT_a8r8g8b8; | |||
| 196 | formats[nformats].depth = 32; | |||
| 197 | nformats++; | |||
| 198 | formats[nformats].format = PICT_x8r8g8b8; | |||
| 199 | formats[nformats].depth = 32; | |||
| 200 | nformats++; | |||
| 201 | formats[nformats].format = PICT_b8g8r8a8; | |||
| 202 | formats[nformats].depth = 32; | |||
| 203 | nformats++; | |||
| 204 | formats[nformats].format = PICT_b8g8r8x8; | |||
| 205 | formats[nformats].depth = 32; | |||
| 206 | nformats++; | |||
| 207 | ||||
| 208 | /* now look through the depths and visuals adding other formats */ | |||
| 209 | for (v = 0; v < pScreen->numVisuals; v++) { | |||
| 210 | pVisual = &pScreen->visuals[v]; | |||
| 211 | depth = visualDepth(pScreen, pVisual); | |||
| 212 | if (!depth) | |||
| 213 | continue; | |||
| 214 | bpp = BitsPerPixel(depth)(PixmapWidthPaddingInfo[depth].bitsPerPixel); | |||
| 215 | switch (pVisual->class) { | |||
| 216 | case DirectColor5: | |||
| 217 | case TrueColor4: | |||
| 218 | r = Ones(pVisual->redMask); | |||
| 219 | g = Ones(pVisual->greenMask); | |||
| 220 | b = Ones(pVisual->blueMask); | |||
| 221 | type = PICT_TYPE_OTHER0; | |||
| 222 | /* | |||
| 223 | * Current rendering code supports only three direct formats, | |||
| 224 | * fields must be packed together at the bottom of the pixel | |||
| 225 | */ | |||
| 226 | if (pVisual->offsetBlue == 0 && | |||
| 227 | pVisual->offsetGreen == b && pVisual->offsetRed == b + g) { | |||
| 228 | type = PICT_TYPE_ARGB2; | |||
| 229 | } | |||
| 230 | else if (pVisual->offsetRed == 0 && | |||
| 231 | pVisual->offsetGreen == r && | |||
| 232 | pVisual->offsetBlue == r + g) { | |||
| 233 | type = PICT_TYPE_ABGR3; | |||
| 234 | } | |||
| 235 | else if (pVisual->offsetRed == pVisual->offsetGreen - r && | |||
| 236 | pVisual->offsetGreen == pVisual->offsetBlue - g && | |||
| 237 | pVisual->offsetBlue == bpp - b) { | |||
| 238 | type = PICT_TYPE_BGRA8; | |||
| 239 | } | |||
| 240 | if (type != PICT_TYPE_OTHER0) { | |||
| 241 | format = PICT_FORMAT(bpp, type, 0, r, g, b)(((bpp) << 24) | ((type) << 16) | ((0) << 12 ) | ((r) << 8) | ((g) << 4) | ((b))); | |||
| 242 | nformats = addFormat(formats, nformats, format, depth); | |||
| 243 | } | |||
| 244 | break; | |||
| 245 | case StaticColor2: | |||
| 246 | case PseudoColor3: | |||
| 247 | format = PICT_VISFORMAT(bpp, PICT_TYPE_COLOR, v)(((bpp) << 24) | ((4) << 16) | ((v))); | |||
| 248 | nformats = addFormat(formats, nformats, format, depth); | |||
| 249 | break; | |||
| 250 | case StaticGray0: | |||
| 251 | case GrayScale1: | |||
| 252 | format = PICT_VISFORMAT(bpp, PICT_TYPE_GRAY, v)(((bpp) << 24) | ((5) << 16) | ((v))); | |||
| 253 | nformats = addFormat(formats, nformats, format, depth); | |||
| 254 | break; | |||
| 255 | } | |||
| 256 | } | |||
| 257 | /* | |||
| 258 | * Walk supported depths and add useful Direct formats | |||
| 259 | */ | |||
| 260 | for (d = 0; d < pScreen->numDepths; d++) { | |||
| 261 | pDepth = &pScreen->allowedDepths[d]; | |||
| 262 | bpp = BitsPerPixel(pDepth->depth)(PixmapWidthPaddingInfo[pDepth->depth].bitsPerPixel); | |||
| 263 | format = 0; | |||
| 264 | switch (bpp) { | |||
| 265 | case 16: | |||
| 266 | /* depth 12 formats */ | |||
| 267 | if (pDepth->depth >= 12) { | |||
| 268 | nformats = addFormat(formats, nformats, | |||
| 269 | PICT_x4r4g4b4, pDepth->depth); | |||
| 270 | nformats = addFormat(formats, nformats, | |||
| 271 | PICT_x4b4g4r4, pDepth->depth); | |||
| 272 | } | |||
| 273 | /* depth 15 formats */ | |||
| 274 | if (pDepth->depth >= 15) { | |||
| 275 | nformats = addFormat(formats, nformats, | |||
| 276 | PICT_x1r5g5b5, pDepth->depth); | |||
| 277 | nformats = addFormat(formats, nformats, | |||
| 278 | PICT_x1b5g5r5, pDepth->depth); | |||
| 279 | } | |||
| 280 | /* depth 16 formats */ | |||
| 281 | if (pDepth->depth >= 16) { | |||
| 282 | nformats = addFormat(formats, nformats, | |||
| 283 | PICT_a1r5g5b5, pDepth->depth); | |||
| 284 | nformats = addFormat(formats, nformats, | |||
| 285 | PICT_a1b5g5r5, pDepth->depth); | |||
| 286 | nformats = addFormat(formats, nformats, | |||
| 287 | PICT_r5g6b5, pDepth->depth); | |||
| 288 | nformats = addFormat(formats, nformats, | |||
| 289 | PICT_b5g6r5, pDepth->depth); | |||
| 290 | nformats = addFormat(formats, nformats, | |||
| 291 | PICT_a4r4g4b4, pDepth->depth); | |||
| 292 | nformats = addFormat(formats, nformats, | |||
| 293 | PICT_a4b4g4r4, pDepth->depth); | |||
| 294 | } | |||
| 295 | break; | |||
| 296 | case 24: | |||
| 297 | if (pDepth->depth >= 24) { | |||
| 298 | nformats = addFormat(formats, nformats, | |||
| 299 | PICT_r8g8b8, pDepth->depth); | |||
| 300 | nformats = addFormat(formats, nformats, | |||
| 301 | PICT_b8g8r8, pDepth->depth); | |||
| 302 | } | |||
| 303 | break; | |||
| 304 | case 32: | |||
| 305 | if (pDepth->depth >= 24) { | |||
| 306 | nformats = addFormat(formats, nformats, | |||
| 307 | PICT_x8r8g8b8, pDepth->depth); | |||
| 308 | nformats = addFormat(formats, nformats, | |||
| 309 | PICT_x8b8g8r8, pDepth->depth); | |||
| 310 | } | |||
| 311 | if (pDepth->depth >= 30) { | |||
| 312 | nformats = addFormat(formats, nformats, | |||
| 313 | PICT_a2r10g10b10, pDepth->depth); | |||
| 314 | nformats = addFormat(formats, nformats, | |||
| 315 | PICT_x2r10g10b10, pDepth->depth); | |||
| 316 | nformats = addFormat(formats, nformats, | |||
| 317 | PICT_a2b10g10r10, pDepth->depth); | |||
| 318 | nformats = addFormat(formats, nformats, | |||
| 319 | PICT_x2b10g10r10, pDepth->depth); | |||
| 320 | } | |||
| 321 | break; | |||
| 322 | } | |||
| 323 | } | |||
| 324 | ||||
| 325 | pFormats = calloc(nformats, sizeof(PictFormatRec)); | |||
| 326 | if (!pFormats) | |||
| 327 | return 0; | |||
| 328 | for (f = 0; f < nformats; f++) { | |||
| 329 | pFormats[f].id = FakeClientID(0); | |||
| 330 | pFormats[f].depth = formats[f].depth; | |||
| 331 | format = formats[f].format; | |||
| 332 | pFormats[f].format = format; | |||
| 333 | switch (PICT_FORMAT_TYPE(format)(((format) >> 16) & 0xff)) { | |||
| 334 | case PICT_TYPE_ARGB2: | |||
| 335 | pFormats[f].type = PictTypeDirect1; | |||
| 336 | ||||
| 337 | pFormats[f].direct.alphaMask = Mask (PICT_FORMAT_A(format))((1 << ((((format) >> 12) & 0x0f))) - 1); | |||
| 338 | ||||
| 339 | if (pFormats[f].direct.alphaMask) | |||
| 340 | pFormats[f].direct.alpha = (PICT_FORMAT_R(format)(((format) >> 8) & 0x0f) + | |||
| 341 | PICT_FORMAT_G(format)(((format) >> 4) & 0x0f) + | |||
| 342 | PICT_FORMAT_B(format)(((format) ) & 0x0f)); | |||
| 343 | ||||
| 344 | pFormats[f].direct.redMask = Mask (PICT_FORMAT_R(format))((1 << ((((format) >> 8) & 0x0f))) - 1); | |||
| 345 | ||||
| 346 | pFormats[f].direct.red = (PICT_FORMAT_G(format)(((format) >> 4) & 0x0f) + | |||
| 347 | PICT_FORMAT_B(format)(((format) ) & 0x0f)); | |||
| 348 | ||||
| 349 | pFormats[f].direct.greenMask = Mask (PICT_FORMAT_G(format))((1 << ((((format) >> 4) & 0x0f))) - 1); | |||
| 350 | ||||
| 351 | pFormats[f].direct.green = PICT_FORMAT_B(format)(((format) ) & 0x0f); | |||
| 352 | ||||
| 353 | pFormats[f].direct.blueMask = Mask (PICT_FORMAT_B(format))((1 << ((((format) ) & 0x0f))) - 1); | |||
| 354 | ||||
| 355 | pFormats[f].direct.blue = 0; | |||
| 356 | break; | |||
| 357 | ||||
| 358 | case PICT_TYPE_ABGR3: | |||
| 359 | pFormats[f].type = PictTypeDirect1; | |||
| 360 | ||||
| 361 | pFormats[f].direct.alphaMask = Mask (PICT_FORMAT_A(format))((1 << ((((format) >> 12) & 0x0f))) - 1); | |||
| 362 | ||||
| 363 | if (pFormats[f].direct.alphaMask) | |||
| 364 | pFormats[f].direct.alpha = (PICT_FORMAT_B(format)(((format) ) & 0x0f) + | |||
| 365 | PICT_FORMAT_G(format)(((format) >> 4) & 0x0f) + | |||
| 366 | PICT_FORMAT_R(format)(((format) >> 8) & 0x0f)); | |||
| 367 | ||||
| 368 | pFormats[f].direct.blueMask = Mask (PICT_FORMAT_B(format))((1 << ((((format) ) & 0x0f))) - 1); | |||
| 369 | ||||
| 370 | pFormats[f].direct.blue = (PICT_FORMAT_G(format)(((format) >> 4) & 0x0f) + | |||
| 371 | PICT_FORMAT_R(format)(((format) >> 8) & 0x0f)); | |||
| 372 | ||||
| 373 | pFormats[f].direct.greenMask = Mask (PICT_FORMAT_G(format))((1 << ((((format) >> 4) & 0x0f))) - 1); | |||
| 374 | ||||
| 375 | pFormats[f].direct.green = PICT_FORMAT_R(format)(((format) >> 8) & 0x0f); | |||
| 376 | ||||
| 377 | pFormats[f].direct.redMask = Mask (PICT_FORMAT_R(format))((1 << ((((format) >> 8) & 0x0f))) - 1); | |||
| 378 | ||||
| 379 | pFormats[f].direct.red = 0; | |||
| 380 | break; | |||
| 381 | ||||
| 382 | case PICT_TYPE_BGRA8: | |||
| 383 | pFormats[f].type = PictTypeDirect1; | |||
| 384 | ||||
| 385 | pFormats[f].direct.blueMask = Mask (PICT_FORMAT_B(format))((1 << ((((format) ) & 0x0f))) - 1); | |||
| 386 | ||||
| 387 | pFormats[f].direct.blue = | |||
| 388 | (PICT_FORMAT_BPP(format)(((format) >> 24) ) - PICT_FORMAT_B(format)(((format) ) & 0x0f)); | |||
| 389 | ||||
| 390 | pFormats[f].direct.greenMask = Mask (PICT_FORMAT_G(format))((1 << ((((format) >> 4) & 0x0f))) - 1); | |||
| 391 | ||||
| 392 | pFormats[f].direct.green = | |||
| 393 | (PICT_FORMAT_BPP(format)(((format) >> 24) ) - PICT_FORMAT_B(format)(((format) ) & 0x0f) - | |||
| 394 | PICT_FORMAT_G(format)(((format) >> 4) & 0x0f)); | |||
| 395 | ||||
| 396 | pFormats[f].direct.redMask = Mask (PICT_FORMAT_R(format))((1 << ((((format) >> 8) & 0x0f))) - 1); | |||
| 397 | ||||
| 398 | pFormats[f].direct.red = | |||
| 399 | (PICT_FORMAT_BPP(format)(((format) >> 24) ) - PICT_FORMAT_B(format)(((format) ) & 0x0f) - | |||
| 400 | PICT_FORMAT_G(format)(((format) >> 4) & 0x0f) - PICT_FORMAT_R(format)(((format) >> 8) & 0x0f)); | |||
| 401 | ||||
| 402 | pFormats[f].direct.alphaMask = Mask (PICT_FORMAT_A(format))((1 << ((((format) >> 12) & 0x0f))) - 1); | |||
| 403 | ||||
| 404 | pFormats[f].direct.alpha = 0; | |||
| 405 | break; | |||
| 406 | ||||
| 407 | case PICT_TYPE_A1: | |||
| 408 | pFormats[f].type = PictTypeDirect1; | |||
| 409 | ||||
| 410 | pFormats[f].direct.alpha = 0; | |||
| 411 | pFormats[f].direct.alphaMask = Mask (PICT_FORMAT_A(format))((1 << ((((format) >> 12) & 0x0f))) - 1); | |||
| 412 | ||||
| 413 | /* remaining fields already set to zero */ | |||
| 414 | break; | |||
| 415 | ||||
| 416 | case PICT_TYPE_COLOR4: | |||
| 417 | case PICT_TYPE_GRAY5: | |||
| 418 | pFormats[f].type = PictTypeIndexed0; | |||
| 419 | pFormats[f].index.vid = | |||
| 420 | pScreen->visuals[PICT_FORMAT_VIS(format)(((format) ) & 0xffff)].vid; | |||
| 421 | break; | |||
| 422 | } | |||
| 423 | } | |||
| 424 | *nformatp = nformats; | |||
| 425 | return pFormats; | |||
| 426 | } | |||
| 427 | ||||
| 428 | static VisualPtr | |||
| 429 | PictureFindVisual(ScreenPtr pScreen, VisualID visual) | |||
| 430 | { | |||
| 431 | int i; | |||
| 432 | VisualPtr pVisual; | |||
| 433 | ||||
| 434 | for (i = 0, pVisual = pScreen->visuals; | |||
| 435 | i < pScreen->numVisuals; i++, pVisual++) { | |||
| 436 | if (pVisual->vid == visual) | |||
| 437 | return pVisual; | |||
| 438 | } | |||
| 439 | return 0; | |||
| 440 | } | |||
| 441 | ||||
| 442 | Bool | |||
| 443 | PictureInitIndexedFormat(ScreenPtr pScreen, PictFormatPtr format) | |||
| 444 | { | |||
| 445 | PictureScreenPtr ps = GetPictureScreenIfSet(pScreen)(dixPrivateKeyRegistered((&PictureScreenPrivateKeyRec)) ? ((PictureScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&PictureScreenPrivateKeyRec))) : ((void*)0)); | |||
| 446 | ||||
| 447 | if (format->type != PictTypeIndexed0 || format->index.pColormap) | |||
| 448 | return TRUE1; | |||
| 449 | ||||
| 450 | if (format->index.vid == pScreen->rootVisual) { | |||
| 451 | dixLookupResourceByType((void **) &format->index.pColormap, | |||
| 452 | pScreen->defColormap, RT_COLORMAP((RESTYPE)6), | |||
| 453 | serverClient, DixGetAttrAccess(1<<4)); | |||
| 454 | } | |||
| 455 | else { | |||
| 456 | VisualPtr pVisual = PictureFindVisual(pScreen, format->index.vid); | |||
| 457 | ||||
| 458 | if (CreateColormap(FakeClientID(0), pScreen, pVisual, | |||
| 459 | &format->index.pColormap, AllocNone0, 0) | |||
| 460 | != Success0) | |||
| 461 | return FALSE0; | |||
| 462 | } | |||
| 463 | if (!ps->InitIndexed(pScreen, format)) | |||
| ||||
| 464 | return FALSE0; | |||
| 465 | return TRUE1; | |||
| 466 | } | |||
| 467 | ||||
| 468 | static Bool | |||
| 469 | PictureInitIndexedFormats(ScreenPtr pScreen) | |||
| 470 | { | |||
| 471 | PictureScreenPtr ps = GetPictureScreenIfSet(pScreen)(dixPrivateKeyRegistered((&PictureScreenPrivateKeyRec)) ? ((PictureScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&PictureScreenPrivateKeyRec))) : ((void*)0)); | |||
| 472 | PictFormatPtr format; | |||
| 473 | int nformat; | |||
| 474 | ||||
| 475 | if (!ps) | |||
| 476 | return FALSE0; | |||
| 477 | format = ps->formats; | |||
| 478 | nformat = ps->nformats; | |||
| 479 | while (nformat--) | |||
| 480 | if (!PictureInitIndexedFormat(pScreen, format++)) | |||
| 481 | return FALSE0; | |||
| 482 | return TRUE1; | |||
| 483 | } | |||
| 484 | ||||
| 485 | Bool | |||
| 486 | PictureFinishInit(void) | |||
| 487 | { | |||
| 488 | int s; | |||
| 489 | ||||
| 490 | for (s = 0; s < screenInfo.numScreens; s++) { | |||
| ||||
| 491 | if (!PictureInitIndexedFormats(screenInfo.screens[s])) | |||
| 492 | return FALSE0; | |||
| 493 | (void) AnimCurInit(screenInfo.screens[s]); | |||
| 494 | } | |||
| 495 | ||||
| 496 | return TRUE1; | |||
| 497 | } | |||
| 498 | ||||
| 499 | Bool | |||
| 500 | PictureSetSubpixelOrder(ScreenPtr pScreen, int subpixel) | |||
| 501 | { | |||
| 502 | PictureScreenPtr ps = GetPictureScreenIfSet(pScreen)(dixPrivateKeyRegistered((&PictureScreenPrivateKeyRec)) ? ((PictureScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&PictureScreenPrivateKeyRec))) : ((void*)0)); | |||
| 503 | ||||
| 504 | if (!ps) | |||
| 505 | return FALSE0; | |||
| 506 | ps->subpixel = subpixel; | |||
| 507 | return TRUE1; | |||
| 508 | ||||
| 509 | } | |||
| 510 | ||||
| 511 | int | |||
| 512 | PictureGetSubpixelOrder(ScreenPtr pScreen) | |||
| 513 | { | |||
| 514 | PictureScreenPtr ps = GetPictureScreenIfSet(pScreen)(dixPrivateKeyRegistered((&PictureScreenPrivateKeyRec)) ? ((PictureScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&PictureScreenPrivateKeyRec))) : ((void*)0)); | |||
| 515 | ||||
| 516 | if (!ps) | |||
| 517 | return SubPixelUnknown0; | |||
| 518 | return ps->subpixel; | |||
| 519 | } | |||
| 520 | ||||
| 521 | PictFormatPtr | |||
| 522 | PictureMatchVisual(ScreenPtr pScreen, int depth, VisualPtr pVisual) | |||
| 523 | { | |||
| 524 | PictureScreenPtr ps = GetPictureScreenIfSet(pScreen)(dixPrivateKeyRegistered((&PictureScreenPrivateKeyRec)) ? ((PictureScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&PictureScreenPrivateKeyRec))) : ((void*)0)); | |||
| 525 | PictFormatPtr format; | |||
| 526 | int nformat; | |||
| 527 | int type; | |||
| 528 | ||||
| 529 | if (!ps) | |||
| 530 | return 0; | |||
| 531 | format = ps->formats; | |||
| 532 | nformat = ps->nformats; | |||
| 533 | switch (pVisual->class) { | |||
| 534 | case StaticGray0: | |||
| 535 | case GrayScale1: | |||
| 536 | case StaticColor2: | |||
| 537 | case PseudoColor3: | |||
| 538 | type = PictTypeIndexed0; | |||
| 539 | break; | |||
| 540 | case TrueColor4: | |||
| 541 | case DirectColor5: | |||
| 542 | type = PictTypeDirect1; | |||
| 543 | break; | |||
| 544 | default: | |||
| 545 | return 0; | |||
| 546 | } | |||
| 547 | while (nformat--) { | |||
| 548 | if (format->depth == depth && format->type == type) { | |||
| 549 | if (type == PictTypeIndexed0) { | |||
| 550 | if (format->index.vid == pVisual->vid) | |||
| 551 | return format; | |||
| 552 | } | |||
| 553 | else { | |||
| 554 | if (format->direct.redMask << format->direct.red == | |||
| 555 | pVisual->redMask && | |||
| 556 | format->direct.greenMask << format->direct.green == | |||
| 557 | pVisual->greenMask && | |||
| 558 | format->direct.blueMask << format->direct.blue == | |||
| 559 | pVisual->blueMask) { | |||
| 560 | return format; | |||
| 561 | } | |||
| 562 | } | |||
| 563 | } | |||
| 564 | format++; | |||
| 565 | } | |||
| 566 | return 0; | |||
| 567 | } | |||
| 568 | ||||
| 569 | PictFormatPtr | |||
| 570 | PictureMatchFormat(ScreenPtr pScreen, int depth, CARD32 f) | |||
| 571 | { | |||
| 572 | PictureScreenPtr ps = GetPictureScreenIfSet(pScreen)(dixPrivateKeyRegistered((&PictureScreenPrivateKeyRec)) ? ((PictureScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&PictureScreenPrivateKeyRec))) : ((void*)0)); | |||
| 573 | PictFormatPtr format; | |||
| 574 | int nformat; | |||
| 575 | ||||
| 576 | if (!ps) | |||
| 577 | return 0; | |||
| 578 | format = ps->formats; | |||
| 579 | nformat = ps->nformats; | |||
| 580 | while (nformat--) { | |||
| 581 | if (format->depth == depth && format->format == (f & 0xffffff)) | |||
| 582 | return format; | |||
| 583 | format++; | |||
| 584 | } | |||
| 585 | return 0; | |||
| 586 | } | |||
| 587 | ||||
| 588 | int | |||
| 589 | PictureParseCmapPolicy(const char *name) | |||
| 590 | { | |||
| 591 | if (strcmp(name, "default") == 0) | |||
| 592 | return PictureCmapPolicyDefault0; | |||
| 593 | else if (strcmp(name, "mono") == 0) | |||
| 594 | return PictureCmapPolicyMono1; | |||
| 595 | else if (strcmp(name, "gray") == 0) | |||
| 596 | return PictureCmapPolicyGray2; | |||
| 597 | else if (strcmp(name, "color") == 0) | |||
| 598 | return PictureCmapPolicyColor3; | |||
| 599 | else if (strcmp(name, "all") == 0) | |||
| 600 | return PictureCmapPolicyAll4; | |||
| 601 | else | |||
| 602 | return PictureCmapPolicyInvalid-1; | |||
| 603 | } | |||
| 604 | ||||
| 605 | /** @see GetDefaultBytes */ | |||
| 606 | static void | |||
| 607 | GetPictureBytes(void *value, XID id, ResourceSizePtr size) | |||
| 608 | { | |||
| 609 | PicturePtr picture = value; | |||
| 610 | ||||
| 611 | /* Currently only pixmap bytes are reported to clients. */ | |||
| 612 | size->resourceSize = 0; | |||
| 613 | ||||
| 614 | size->refCnt = picture->refcnt; | |||
| 615 | ||||
| 616 | /* Calculate pixmap reference sizes. */ | |||
| 617 | size->pixmapRefSize = 0; | |||
| 618 | if (picture->pDrawable && (picture->pDrawable->type == DRAWABLE_PIXMAP1)) | |||
| 619 | { | |||
| 620 | SizeType pixmapSizeFunc = GetResourceTypeSizeFunc(RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30))); | |||
| 621 | ResourceSizeRec pixmapSize = { 0, 0, 0 }; | |||
| 622 | PixmapPtr pixmap = (PixmapPtr)picture->pDrawable; | |||
| 623 | pixmapSizeFunc(pixmap, pixmap->drawable.id, &pixmapSize); | |||
| 624 | size->pixmapRefSize += pixmapSize.pixmapRefSize; | |||
| 625 | } | |||
| 626 | } | |||
| 627 | ||||
| 628 | Bool | |||
| 629 | PictureInit(ScreenPtr pScreen, PictFormatPtr formats, int nformats) | |||
| 630 | { | |||
| 631 | PictureScreenPtr ps; | |||
| 632 | int n; | |||
| 633 | CARD32 type, a, r, g, b; | |||
| 634 | ||||
| 635 | if (PictureGeneration != serverGeneration) { | |||
| 636 | PictureType = CreateNewResourceType(FreePicture, "PICTURE"); | |||
| 637 | if (!PictureType) | |||
| 638 | return FALSE0; | |||
| 639 | SetResourceTypeSizeFunc(PictureType, GetPictureBytes); | |||
| 640 | PictFormatType = CreateNewResourceType(FreePictFormat, "PICTFORMAT"); | |||
| 641 | if (!PictFormatType) | |||
| 642 | return FALSE0; | |||
| 643 | GlyphSetType = CreateNewResourceType(FreeGlyphSet, "GLYPHSET"); | |||
| 644 | if (!GlyphSetType) | |||
| 645 | return FALSE0; | |||
| 646 | PictureGeneration = serverGeneration; | |||
| 647 | } | |||
| 648 | if (!dixRegisterPrivateKey(&PictureScreenPrivateKeyRec, PRIVATE_SCREEN, 0)) | |||
| 649 | return FALSE0; | |||
| 650 | ||||
| 651 | if (!dixRegisterPrivateKey(&PictureWindowPrivateKeyRec, PRIVATE_WINDOW, 0)) | |||
| 652 | return FALSE0; | |||
| 653 | ||||
| 654 | if (!formats) { | |||
| 655 | formats = PictureCreateDefaultFormats(pScreen, &nformats); | |||
| 656 | if (!formats) | |||
| 657 | return FALSE0; | |||
| 658 | } | |||
| 659 | for (n = 0; n < nformats; n++) { | |||
| 660 | if (!AddResourceDarwin_X_AddResource | |||
| 661 | (formats[n].id, PictFormatType, (void *) (formats + n))) { | |||
| 662 | free(formats); | |||
| 663 | return FALSE0; | |||
| 664 | } | |||
| 665 | if (formats[n].type == PictTypeIndexed0) { | |||
| 666 | VisualPtr pVisual = | |||
| 667 | PictureFindVisual(pScreen, formats[n].index.vid); | |||
| 668 | if ((pVisual->class | DynamicClass1) == PseudoColor3) | |||
| 669 | type = PICT_TYPE_COLOR4; | |||
| 670 | else | |||
| 671 | type = PICT_TYPE_GRAY5; | |||
| 672 | a = r = g = b = 0; | |||
| 673 | } | |||
| 674 | else { | |||
| 675 | if ((formats[n].direct.redMask | | |||
| 676 | formats[n].direct.blueMask | formats[n].direct.greenMask) == 0) | |||
| 677 | type = PICT_TYPE_A1; | |||
| 678 | else if (formats[n].direct.red > formats[n].direct.blue) | |||
| 679 | type = PICT_TYPE_ARGB2; | |||
| 680 | else if (formats[n].direct.red == 0) | |||
| 681 | type = PICT_TYPE_ABGR3; | |||
| 682 | else | |||
| 683 | type = PICT_TYPE_BGRA8; | |||
| 684 | a = Ones(formats[n].direct.alphaMask); | |||
| 685 | r = Ones(formats[n].direct.redMask); | |||
| 686 | g = Ones(formats[n].direct.greenMask); | |||
| 687 | b = Ones(formats[n].direct.blueMask); | |||
| 688 | } | |||
| 689 | formats[n].format = PICT_FORMAT(0, type, a, r, g, b)(((0) << 24) | ((type) << 16) | ((a) << 12) | ((r) << 8) | ((g) << 4) | ((b))); | |||
| 690 | } | |||
| 691 | ps = (PictureScreenPtr) malloc(sizeof(PictureScreenRec)); | |||
| 692 | if (!ps) { | |||
| 693 | free(formats); | |||
| 694 | return FALSE0; | |||
| 695 | } | |||
| 696 | SetPictureScreen(pScreen, ps)dixSetPrivate(&(pScreen)->devPrivates, (&PictureScreenPrivateKeyRec ), ps); | |||
| 697 | ||||
| 698 | ps->formats = formats; | |||
| 699 | ps->fallback = formats; | |||
| 700 | ps->nformats = nformats; | |||
| 701 | ||||
| 702 | ps->filters = 0; | |||
| 703 | ps->nfilters = 0; | |||
| 704 | ps->filterAliases = 0; | |||
| 705 | ps->nfilterAliases = 0; | |||
| 706 | ||||
| 707 | ps->subpixel = SubPixelUnknown0; | |||
| 708 | ||||
| 709 | ps->CloseScreen = pScreen->CloseScreen; | |||
| 710 | ps->DestroyWindow = pScreen->DestroyWindow; | |||
| 711 | ps->StoreColors = pScreen->StoreColors; | |||
| 712 | pScreen->DestroyWindow = PictureDestroyWindow; | |||
| 713 | pScreen->CloseScreen = PictureCloseScreen; | |||
| 714 | pScreen->StoreColors = PictureStoreColors; | |||
| 715 | ||||
| 716 | if (!PictureSetDefaultFilters(pScreen)) { | |||
| 717 | PictureResetFilters(pScreen); | |||
| 718 | SetPictureScreen(pScreen, 0)dixSetPrivate(&(pScreen)->devPrivates, (&PictureScreenPrivateKeyRec ), 0); | |||
| 719 | free(formats); | |||
| 720 | free(ps); | |||
| 721 | return FALSE0; | |||
| 722 | } | |||
| 723 | ||||
| 724 | return TRUE1; | |||
| 725 | } | |||
| 726 | ||||
| 727 | void | |||
| 728 | SetPictureToDefaults(PicturePtr pPicture) | |||
| 729 | { | |||
| 730 | pPicture->refcnt = 1; | |||
| 731 | pPicture->repeat = 0; | |||
| 732 | pPicture->graphicsExposures = FALSE0; | |||
| 733 | pPicture->subWindowMode = ClipByChildren0; | |||
| 734 | pPicture->polyEdge = PolyEdgeSharp0; | |||
| 735 | pPicture->polyMode = PolyModePrecise0; | |||
| 736 | pPicture->freeCompClip = FALSE0; | |||
| 737 | pPicture->componentAlpha = FALSE0; | |||
| 738 | pPicture->repeatType = RepeatNone0; | |||
| 739 | ||||
| 740 | pPicture->alphaMap = 0; | |||
| 741 | pPicture->alphaOrigin.x = 0; | |||
| 742 | pPicture->alphaOrigin.y = 0; | |||
| 743 | ||||
| 744 | pPicture->clipOrigin.x = 0; | |||
| 745 | pPicture->clipOrigin.y = 0; | |||
| 746 | pPicture->clientClip = 0; | |||
| 747 | ||||
| 748 | pPicture->transform = 0; | |||
| 749 | ||||
| 750 | pPicture->filter = PictureGetFilterId(FilterNearest"nearest", -1, TRUE1); | |||
| 751 | pPicture->filter_params = 0; | |||
| 752 | pPicture->filter_nparams = 0; | |||
| 753 | ||||
| 754 | pPicture->serialNumber = GC_CHANGE_SERIAL_BIT(((unsigned long)1)<<31); | |||
| 755 | pPicture->stateChanges = -1; | |||
| 756 | pPicture->pSourcePict = 0; | |||
| 757 | } | |||
| 758 | ||||
| 759 | PicturePtr | |||
| 760 | CreatePicture(Picture pid, | |||
| 761 | DrawablePtr pDrawable, | |||
| 762 | PictFormatPtr pFormat, | |||
| 763 | Mask vmask, XID *vlist, ClientPtr client, int *error) | |||
| 764 | { | |||
| 765 | PicturePtr pPicture; | |||
| 766 | PictureScreenPtr ps = GetPictureScreen(pDrawable->pScreen)((PictureScreenPtr)dixLookupPrivate(&(pDrawable->pScreen )->devPrivates, (&PictureScreenPrivateKeyRec))); | |||
| 767 | ||||
| 768 | pPicture = dixAllocateScreenObjectWithPrivates(pDrawable->pScreen,_dixAllocateScreenObjectWithPrivates(pDrawable->pScreen, sizeof (PictureRec), sizeof(PictureRec), __builtin_offsetof(PictureRec , devPrivates), PRIVATE_PICTURE) | |||
| 769 | PictureRec, PRIVATE_PICTURE)_dixAllocateScreenObjectWithPrivates(pDrawable->pScreen, sizeof (PictureRec), sizeof(PictureRec), __builtin_offsetof(PictureRec , devPrivates), PRIVATE_PICTURE); | |||
| 770 | if (!pPicture) { | |||
| 771 | *error = BadAlloc11; | |||
| 772 | return 0; | |||
| 773 | } | |||
| 774 | ||||
| 775 | pPicture->id = pid; | |||
| 776 | pPicture->pDrawable = pDrawable; | |||
| 777 | pPicture->pFormat = pFormat; | |||
| 778 | pPicture->format = pFormat->format | (pDrawable->bitsPerPixel << 24); | |||
| 779 | ||||
| 780 | /* security creation/labeling check */ | |||
| 781 | *error = XaceHook(XACE_RESOURCE_ACCESS2, client, pid, PictureType, pPicture, | |||
| 782 | RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30)), pDrawable, DixCreateAccess(1<<3) | DixSetAttrAccess(1<<5)); | |||
| 783 | if (*error != Success0) | |||
| 784 | goto out; | |||
| 785 | ||||
| 786 | if (pDrawable->type == DRAWABLE_PIXMAP1) { | |||
| 787 | ++((PixmapPtr) pDrawable)->refcnt; | |||
| 788 | pPicture->pNext = 0; | |||
| 789 | } | |||
| 790 | else { | |||
| 791 | pPicture->pNext = GetPictureWindow(((WindowPtr) pDrawable))((PicturePtr)dixLookupPrivate(&(((WindowPtr) pDrawable))-> devPrivates, (&PictureWindowPrivateKeyRec))); | |||
| 792 | SetPictureWindow(((WindowPtr) pDrawable), pPicture)dixSetPrivate(&(((WindowPtr) pDrawable))->devPrivates, (&PictureWindowPrivateKeyRec), pPicture); | |||
| 793 | } | |||
| 794 | ||||
| 795 | SetPictureToDefaults(pPicture); | |||
| 796 | ||||
| 797 | if (vmask) | |||
| 798 | *error = ChangePicture(pPicture, vmask, vlist, 0, client); | |||
| 799 | else | |||
| 800 | *error = Success0; | |||
| 801 | if (*error == Success0) | |||
| 802 | *error = (*ps->CreatePicture) (pPicture); | |||
| 803 | out: | |||
| 804 | if (*error != Success0) { | |||
| 805 | FreePicture(pPicture, (XID) 0); | |||
| 806 | pPicture = 0; | |||
| 807 | } | |||
| 808 | return pPicture; | |||
| 809 | } | |||
| 810 | ||||
| 811 | static CARD32 | |||
| 812 | xRenderColorToCard32(xRenderColor c) | |||
| 813 | { | |||
| 814 | return | |||
| 815 | (c.alpha >> 8 << 24) | | |||
| 816 | (c.red >> 8 << 16) | (c.green & 0xff00) | (c.blue >> 8); | |||
| 817 | } | |||
| 818 | ||||
| 819 | static void | |||
| 820 | initGradient(SourcePictPtr pGradient, int stopCount, | |||
| 821 | xFixed * stopPoints, xRenderColor * stopColors, int *error) | |||
| 822 | { | |||
| 823 | int i; | |||
| 824 | xFixed dpos; | |||
| 825 | ||||
| 826 | if (stopCount <= 0) { | |||
| 827 | *error = BadValue2; | |||
| 828 | return; | |||
| 829 | } | |||
| 830 | ||||
| 831 | dpos = -1; | |||
| 832 | for (i = 0; i < stopCount; ++i) { | |||
| 833 | if (stopPoints[i] < dpos || stopPoints[i] > (1 << 16)) { | |||
| 834 | *error = BadValue2; | |||
| 835 | return; | |||
| 836 | } | |||
| 837 | dpos = stopPoints[i]; | |||
| 838 | } | |||
| 839 | ||||
| 840 | pGradient->gradient.stops = malloc(stopCount * sizeof(PictGradientStop)); | |||
| 841 | if (!pGradient->gradient.stops) { | |||
| 842 | *error = BadAlloc11; | |||
| 843 | return; | |||
| 844 | } | |||
| 845 | ||||
| 846 | pGradient->gradient.nstops = stopCount; | |||
| 847 | ||||
| 848 | for (i = 0; i < stopCount; ++i) { | |||
| 849 | pGradient->gradient.stops[i].x = stopPoints[i]; | |||
| 850 | pGradient->gradient.stops[i].color = stopColors[i]; | |||
| 851 | } | |||
| 852 | } | |||
| 853 | ||||
| 854 | static PicturePtr | |||
| 855 | createSourcePicture(void) | |||
| 856 | { | |||
| 857 | PicturePtr pPicture; | |||
| 858 | ||||
| 859 | pPicture = dixAllocateScreenObjectWithPrivates(NULL, PictureRec,_dixAllocateScreenObjectWithPrivates(((void*)0), sizeof(PictureRec ), sizeof(PictureRec), __builtin_offsetof(PictureRec, devPrivates ), PRIVATE_PICTURE) | |||
| 860 | PRIVATE_PICTURE)_dixAllocateScreenObjectWithPrivates(((void*)0), sizeof(PictureRec ), sizeof(PictureRec), __builtin_offsetof(PictureRec, devPrivates ), PRIVATE_PICTURE); | |||
| 861 | if (!pPicture) | |||
| 862 | return 0; | |||
| 863 | ||||
| 864 | pPicture->pDrawable = 0; | |||
| 865 | pPicture->pFormat = 0; | |||
| 866 | pPicture->pNext = 0; | |||
| 867 | pPicture->format = PICT_a8r8g8b8; | |||
| 868 | ||||
| 869 | SetPictureToDefaults(pPicture); | |||
| 870 | return pPicture; | |||
| 871 | } | |||
| 872 | ||||
| 873 | PicturePtr | |||
| 874 | CreateSolidPicture(Picture pid, xRenderColor * color, int *error) | |||
| 875 | { | |||
| 876 | PicturePtr pPicture; | |||
| 877 | ||||
| 878 | pPicture = createSourcePicture(); | |||
| 879 | if (!pPicture) { | |||
| 880 | *error = BadAlloc11; | |||
| 881 | return 0; | |||
| 882 | } | |||
| 883 | ||||
| 884 | pPicture->id = pid; | |||
| 885 | pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(PictSolidFill)); | |||
| 886 | if (!pPicture->pSourcePict) { | |||
| 887 | *error = BadAlloc11; | |||
| 888 | free(pPicture); | |||
| 889 | return 0; | |||
| 890 | } | |||
| 891 | pPicture->pSourcePict->type = SourcePictTypeSolidFill0; | |||
| 892 | pPicture->pSourcePict->solidFill.color = xRenderColorToCard32(*color); | |||
| 893 | return pPicture; | |||
| 894 | } | |||
| 895 | ||||
| 896 | PicturePtr | |||
| 897 | CreateLinearGradientPicture(Picture pid, xPointFixed * p1, xPointFixed * p2, | |||
| 898 | int nStops, xFixed * stops, xRenderColor * colors, | |||
| 899 | int *error) | |||
| 900 | { | |||
| 901 | PicturePtr pPicture; | |||
| 902 | ||||
| 903 | if (nStops < 1) { | |||
| 904 | *error = BadValue2; | |||
| 905 | return 0; | |||
| 906 | } | |||
| 907 | ||||
| 908 | pPicture = createSourcePicture(); | |||
| 909 | if (!pPicture) { | |||
| 910 | *error = BadAlloc11; | |||
| 911 | return 0; | |||
| 912 | } | |||
| 913 | ||||
| 914 | pPicture->id = pid; | |||
| 915 | pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(PictLinearGradient)); | |||
| 916 | if (!pPicture->pSourcePict) { | |||
| 917 | *error = BadAlloc11; | |||
| 918 | free(pPicture); | |||
| 919 | return 0; | |||
| 920 | } | |||
| 921 | ||||
| 922 | pPicture->pSourcePict->linear.type = SourcePictTypeLinear1; | |||
| 923 | pPicture->pSourcePict->linear.p1 = *p1; | |||
| 924 | pPicture->pSourcePict->linear.p2 = *p2; | |||
| 925 | ||||
| 926 | initGradient(pPicture->pSourcePict, nStops, stops, colors, error); | |||
| 927 | if (*error) { | |||
| 928 | free(pPicture); | |||
| 929 | return 0; | |||
| 930 | } | |||
| 931 | return pPicture; | |||
| 932 | } | |||
| 933 | ||||
| 934 | PicturePtr | |||
| 935 | CreateRadialGradientPicture(Picture pid, xPointFixed * inner, | |||
| 936 | xPointFixed * outer, xFixed innerRadius, | |||
| 937 | xFixed outerRadius, int nStops, xFixed * stops, | |||
| 938 | xRenderColor * colors, int *error) | |||
| 939 | { | |||
| 940 | PicturePtr pPicture; | |||
| 941 | PictRadialGradient *radial; | |||
| 942 | ||||
| 943 | if (nStops < 1) { | |||
| 944 | *error = BadValue2; | |||
| 945 | return 0; | |||
| 946 | } | |||
| 947 | ||||
| 948 | pPicture = createSourcePicture(); | |||
| 949 | if (!pPicture) { | |||
| 950 | *error = BadAlloc11; | |||
| 951 | return 0; | |||
| 952 | } | |||
| 953 | ||||
| 954 | pPicture->id = pid; | |||
| 955 | pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(PictRadialGradient)); | |||
| 956 | if (!pPicture->pSourcePict) { | |||
| 957 | *error = BadAlloc11; | |||
| 958 | free(pPicture); | |||
| 959 | return 0; | |||
| 960 | } | |||
| 961 | radial = &pPicture->pSourcePict->radial; | |||
| 962 | ||||
| 963 | radial->type = SourcePictTypeRadial2; | |||
| 964 | radial->c1.x = inner->x; | |||
| 965 | radial->c1.y = inner->y; | |||
| 966 | radial->c1.radius = innerRadius; | |||
| 967 | radial->c2.x = outer->x; | |||
| 968 | radial->c2.y = outer->y; | |||
| 969 | radial->c2.radius = outerRadius; | |||
| 970 | ||||
| 971 | initGradient(pPicture->pSourcePict, nStops, stops, colors, error); | |||
| 972 | if (*error) { | |||
| 973 | free(pPicture); | |||
| 974 | return 0; | |||
| 975 | } | |||
| 976 | return pPicture; | |||
| 977 | } | |||
| 978 | ||||
| 979 | PicturePtr | |||
| 980 | CreateConicalGradientPicture(Picture pid, xPointFixed * center, xFixed angle, | |||
| 981 | int nStops, xFixed * stops, xRenderColor * colors, | |||
| 982 | int *error) | |||
| 983 | { | |||
| 984 | PicturePtr pPicture; | |||
| 985 | ||||
| 986 | if (nStops < 1) { | |||
| 987 | *error = BadValue2; | |||
| 988 | return 0; | |||
| 989 | } | |||
| 990 | ||||
| 991 | pPicture = createSourcePicture(); | |||
| 992 | if (!pPicture) { | |||
| 993 | *error = BadAlloc11; | |||
| 994 | return 0; | |||
| 995 | } | |||
| 996 | ||||
| 997 | pPicture->id = pid; | |||
| 998 | pPicture->pSourcePict = (SourcePictPtr) malloc(sizeof(PictConicalGradient)); | |||
| 999 | if (!pPicture->pSourcePict) { | |||
| 1000 | *error = BadAlloc11; | |||
| 1001 | free(pPicture); | |||
| 1002 | return 0; | |||
| 1003 | } | |||
| 1004 | ||||
| 1005 | pPicture->pSourcePict->conical.type = SourcePictTypeConical3; | |||
| 1006 | pPicture->pSourcePict->conical.center = *center; | |||
| 1007 | pPicture->pSourcePict->conical.angle = angle; | |||
| 1008 | ||||
| 1009 | initGradient(pPicture->pSourcePict, nStops, stops, colors, error); | |||
| 1010 | if (*error) { | |||
| 1011 | free(pPicture); | |||
| 1012 | return 0; | |||
| 1013 | } | |||
| 1014 | return pPicture; | |||
| 1015 | } | |||
| 1016 | ||||
| 1017 | static int | |||
| 1018 | cpAlphaMap(void **result, XID id, ScreenPtr screen, ClientPtr client, Mask mode) | |||
| 1019 | { | |||
| 1020 | #ifdef PANORAMIX1 | |||
| 1021 | if (!noPanoramiXExtension) { | |||
| 1022 | PanoramiXRes *res; | |||
| 1023 | int err = dixLookupResourceByType((void **)&res, id, XRT_PICTURE, | |||
| 1024 | client, mode); | |||
| 1025 | if (err != Success0) | |||
| 1026 | return err; | |||
| 1027 | id = res->info[screen->myNum].id; | |||
| 1028 | } | |||
| 1029 | #endif | |||
| 1030 | return dixLookupResourceByType(result, id, PictureType, client, mode); | |||
| 1031 | } | |||
| 1032 | ||||
| 1033 | static int | |||
| 1034 | cpClipMask(void **result, XID id, ScreenPtr screen, ClientPtr client, Mask mode) | |||
| 1035 | { | |||
| 1036 | #ifdef PANORAMIX1 | |||
| 1037 | if (!noPanoramiXExtension) { | |||
| 1038 | PanoramiXRes *res; | |||
| 1039 | int err = dixLookupResourceByType((void **)&res, id, XRT_PIXMAP, | |||
| 1040 | client, mode); | |||
| 1041 | if (err != Success0) | |||
| 1042 | return err; | |||
| 1043 | id = res->info[screen->myNum].id; | |||
| 1044 | } | |||
| 1045 | #endif | |||
| 1046 | return dixLookupResourceByType(result, id, RT_PIXMAP((RESTYPE)2|((RESTYPE)1<<30)), client, mode); | |||
| 1047 | } | |||
| 1048 | ||||
| 1049 | #define NEXT_VAL(_type)(vlist ? (_type) *vlist++ : (_type) ulist++->val) (vlist ? (_type) *vlist++ : (_type) ulist++->val) | |||
| 1050 | ||||
| 1051 | #define NEXT_PTR(_type)((_type) ulist++->ptr) ((_type) ulist++->ptr) | |||
| 1052 | ||||
| 1053 | int | |||
| 1054 | ChangePicture(PicturePtr pPicture, | |||
| 1055 | Mask vmask, XID *vlist, DevUnion *ulist, ClientPtr client) | |||
| 1056 | { | |||
| 1057 | ScreenPtr pScreen = pPicture->pDrawable ? pPicture->pDrawable->pScreen : 0; | |||
| 1058 | PictureScreenPtr ps = pScreen ? GetPictureScreen(pScreen)((PictureScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&PictureScreenPrivateKeyRec))) : 0; | |||
| 1059 | BITS32 index2; | |||
| 1060 | int error = 0; | |||
| 1061 | BITS32 maskQ; | |||
| 1062 | ||||
| 1063 | pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT(((unsigned long)1)<<31); | |||
| 1064 | maskQ = vmask; | |||
| 1065 | while (vmask && !error) { | |||
| 1066 | index2 = (BITS32) lowbit(vmask)((vmask) & (~(vmask) + 1)); | |||
| 1067 | vmask &= ~index2; | |||
| 1068 | pPicture->stateChanges |= index2; | |||
| 1069 | switch (index2) { | |||
| 1070 | case CPRepeat(1 << 0): | |||
| 1071 | { | |||
| 1072 | unsigned int newr; | |||
| 1073 | newr = NEXT_VAL(unsigned int)(vlist ? (unsigned int) *vlist++ : (unsigned int) ulist++-> val); | |||
| 1074 | ||||
| 1075 | if (newr <= RepeatReflect3) { | |||
| 1076 | pPicture->repeat = (newr != RepeatNone0); | |||
| 1077 | pPicture->repeatType = newr; | |||
| 1078 | } | |||
| 1079 | else { | |||
| 1080 | client->errorValue = newr; | |||
| 1081 | error = BadValue2; | |||
| 1082 | } | |||
| 1083 | } | |||
| 1084 | break; | |||
| 1085 | case CPAlphaMap(1 << 1): | |||
| 1086 | { | |||
| 1087 | PicturePtr pAlpha; | |||
| 1088 | ||||
| 1089 | if (vlist) { | |||
| 1090 | Picture pid = NEXT_VAL(Picture)(vlist ? (Picture) *vlist++ : (Picture) ulist++->val); | |||
| 1091 | ||||
| 1092 | if (pid == None0L) | |||
| 1093 | pAlpha = 0; | |||
| 1094 | else { | |||
| 1095 | error = cpAlphaMap((void **) &pAlpha, pid, pScreen, | |||
| 1096 | client, DixReadAccess(1<<0)); | |||
| 1097 | if (error != Success0) { | |||
| 1098 | client->errorValue = pid; | |||
| 1099 | break; | |||
| 1100 | } | |||
| 1101 | if (pAlpha->pDrawable == NULL((void*)0) || | |||
| 1102 | pAlpha->pDrawable->type != DRAWABLE_PIXMAP1) { | |||
| 1103 | client->errorValue = pid; | |||
| 1104 | error = BadMatch8; | |||
| 1105 | break; | |||
| 1106 | } | |||
| 1107 | } | |||
| 1108 | } | |||
| 1109 | else | |||
| 1110 | pAlpha = NEXT_PTR(PicturePtr)((PicturePtr) ulist++->ptr); | |||
| 1111 | if (!error) { | |||
| 1112 | if (pAlpha && pAlpha->pDrawable->type == DRAWABLE_PIXMAP1) | |||
| 1113 | pAlpha->refcnt++; | |||
| 1114 | if (pPicture->alphaMap) | |||
| 1115 | FreePicture((void *) pPicture->alphaMap, (XID) 0); | |||
| 1116 | pPicture->alphaMap = pAlpha; | |||
| 1117 | } | |||
| 1118 | } | |||
| 1119 | break; | |||
| 1120 | case CPAlphaXOrigin(1 << 2): | |||
| 1121 | pPicture->alphaOrigin.x = NEXT_VAL(INT16)(vlist ? (INT16) *vlist++ : (INT16) ulist++->val); | |||
| 1122 | ||||
| 1123 | break; | |||
| 1124 | case CPAlphaYOrigin(1 << 3): | |||
| 1125 | pPicture->alphaOrigin.y = NEXT_VAL(INT16)(vlist ? (INT16) *vlist++ : (INT16) ulist++->val); | |||
| 1126 | ||||
| 1127 | break; | |||
| 1128 | case CPClipXOrigin(1 << 4): | |||
| 1129 | pPicture->clipOrigin.x = NEXT_VAL(INT16)(vlist ? (INT16) *vlist++ : (INT16) ulist++->val); | |||
| 1130 | ||||
| 1131 | break; | |||
| 1132 | case CPClipYOrigin(1 << 5): | |||
| 1133 | pPicture->clipOrigin.y = NEXT_VAL(INT16)(vlist ? (INT16) *vlist++ : (INT16) ulist++->val); | |||
| 1134 | ||||
| 1135 | break; | |||
| 1136 | case CPClipMask(1 << 6): | |||
| 1137 | { | |||
| 1138 | Pixmap pid; | |||
| 1139 | PixmapPtr pPixmap; | |||
| 1140 | int clipType; | |||
| 1141 | ||||
| 1142 | if (!pScreen) | |||
| 1143 | return BadDrawable9; | |||
| 1144 | ||||
| 1145 | if (vlist) { | |||
| 1146 | pid = NEXT_VAL(Pixmap)(vlist ? (Pixmap) *vlist++ : (Pixmap) ulist++->val); | |||
| 1147 | if (pid == None0L) { | |||
| 1148 | clipType = CT_NONE0; | |||
| 1149 | pPixmap = NullPixmap((PixmapPtr)0); | |||
| 1150 | } | |||
| 1151 | else { | |||
| 1152 | clipType = CT_PIXMAP1; | |||
| 1153 | error = cpClipMask((void **) &pPixmap, pid, pScreen, | |||
| 1154 | client, DixReadAccess(1<<0)); | |||
| 1155 | if (error != Success0) { | |||
| 1156 | client->errorValue = pid; | |||
| 1157 | break; | |||
| 1158 | } | |||
| 1159 | } | |||
| 1160 | } | |||
| 1161 | else { | |||
| 1162 | pPixmap = NEXT_PTR(PixmapPtr)((PixmapPtr) ulist++->ptr); | |||
| 1163 | ||||
| 1164 | if (pPixmap) | |||
| 1165 | clipType = CT_PIXMAP1; | |||
| 1166 | else | |||
| 1167 | clipType = CT_NONE0; | |||
| 1168 | } | |||
| 1169 | ||||
| 1170 | if (pPixmap) { | |||
| 1171 | if ((pPixmap->drawable.depth != 1) || | |||
| 1172 | (pPixmap->drawable.pScreen != pScreen)) { | |||
| 1173 | error = BadMatch8; | |||
| 1174 | break; | |||
| 1175 | } | |||
| 1176 | else { | |||
| 1177 | clipType = CT_PIXMAP1; | |||
| 1178 | pPixmap->refcnt++; | |||
| 1179 | } | |||
| 1180 | } | |||
| 1181 | error = (*ps->ChangePictureClip) (pPicture, clipType, | |||
| 1182 | (void *) pPixmap, 0); | |||
| 1183 | break; | |||
| 1184 | } | |||
| 1185 | case CPGraphicsExposure(1 << 7): | |||
| 1186 | { | |||
| 1187 | unsigned int newe; | |||
| 1188 | newe = NEXT_VAL(unsigned int)(vlist ? (unsigned int) *vlist++ : (unsigned int) ulist++-> val); | |||
| 1189 | ||||
| 1190 | if (newe <= xTrue1) | |||
| 1191 | pPicture->graphicsExposures = newe; | |||
| 1192 | else { | |||
| 1193 | client->errorValue = newe; | |||
| 1194 | error = BadValue2; | |||
| 1195 | } | |||
| 1196 | } | |||
| 1197 | break; | |||
| 1198 | case CPSubwindowMode(1 << 8): | |||
| 1199 | { | |||
| 1200 | unsigned int news; | |||
| 1201 | news = NEXT_VAL(unsigned int)(vlist ? (unsigned int) *vlist++ : (unsigned int) ulist++-> val); | |||
| 1202 | ||||
| 1203 | if (news == ClipByChildren0 || news == IncludeInferiors1) | |||
| 1204 | pPicture->subWindowMode = news; | |||
| 1205 | else { | |||
| 1206 | client->errorValue = news; | |||
| 1207 | error = BadValue2; | |||
| 1208 | } | |||
| 1209 | } | |||
| 1210 | break; | |||
| 1211 | case CPPolyEdge(1 << 9): | |||
| 1212 | { | |||
| 1213 | unsigned int newe; | |||
| 1214 | newe = NEXT_VAL(unsigned int)(vlist ? (unsigned int) *vlist++ : (unsigned int) ulist++-> val); | |||
| 1215 | ||||
| 1216 | if (newe == PolyEdgeSharp0 || newe == PolyEdgeSmooth1) | |||
| 1217 | pPicture->polyEdge = newe; | |||
| 1218 | else { | |||
| 1219 | client->errorValue = newe; | |||
| 1220 | error = BadValue2; | |||
| 1221 | } | |||
| 1222 | } | |||
| 1223 | break; | |||
| 1224 | case CPPolyMode(1 << 10): | |||
| 1225 | { | |||
| 1226 | unsigned int newm; | |||
| 1227 | newm = NEXT_VAL(unsigned int)(vlist ? (unsigned int) *vlist++ : (unsigned int) ulist++-> val); | |||
| 1228 | ||||
| 1229 | if (newm == PolyModePrecise0 || newm == PolyModeImprecise1) | |||
| 1230 | pPicture->polyMode = newm; | |||
| 1231 | else { | |||
| 1232 | client->errorValue = newm; | |||
| 1233 | error = BadValue2; | |||
| 1234 | } | |||
| 1235 | } | |||
| 1236 | break; | |||
| 1237 | case CPDither(1 << 11): | |||
| 1238 | (void) NEXT_VAL(Atom)(vlist ? (Atom) *vlist++ : (Atom) ulist++->val); /* unimplemented */ | |||
| 1239 | ||||
| 1240 | break; | |||
| 1241 | case CPComponentAlpha(1 << 12): | |||
| 1242 | { | |||
| 1243 | unsigned int newca; | |||
| 1244 | ||||
| 1245 | newca = NEXT_VAL(unsigned int)(vlist ? (unsigned int) *vlist++ : (unsigned int) ulist++-> val); | |||
| 1246 | ||||
| 1247 | if (newca <= xTrue1) | |||
| 1248 | pPicture->componentAlpha = newca; | |||
| 1249 | else { | |||
| 1250 | client->errorValue = newca; | |||
| 1251 | error = BadValue2; | |||
| 1252 | } | |||
| 1253 | } | |||
| 1254 | break; | |||
| 1255 | default: | |||
| 1256 | client->errorValue = maskQ; | |||
| 1257 | error = BadValue2; | |||
| 1258 | break; | |||
| 1259 | } | |||
| 1260 | } | |||
| 1261 | if (ps) | |||
| 1262 | (*ps->ChangePicture) (pPicture, maskQ); | |||
| 1263 | return error; | |||
| 1264 | } | |||
| 1265 | ||||
| 1266 | int | |||
| 1267 | SetPictureClipRects(PicturePtr pPicture, | |||
| 1268 | int xOrigin, int yOrigin, int nRect, xRectangle *rects) | |||
| 1269 | { | |||
| 1270 | ScreenPtr pScreen = pPicture->pDrawable->pScreen; | |||
| 1271 | PictureScreenPtr ps = GetPictureScreen(pScreen)((PictureScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&PictureScreenPrivateKeyRec))); | |||
| 1272 | RegionPtr clientClip; | |||
| 1273 | int result; | |||
| 1274 | ||||
| 1275 | clientClip = RegionFromRects(nRect, rects, CT_UNSORTED6); | |||
| 1276 | if (!clientClip) | |||
| 1277 | return BadAlloc11; | |||
| 1278 | result = (*ps->ChangePictureClip) (pPicture, CT_REGION2, | |||
| 1279 | (void *) clientClip, 0); | |||
| 1280 | if (result == Success0) { | |||
| 1281 | pPicture->clipOrigin.x = xOrigin; | |||
| 1282 | pPicture->clipOrigin.y = yOrigin; | |||
| 1283 | pPicture->stateChanges |= CPClipXOrigin(1 << 4) | CPClipYOrigin(1 << 5) | CPClipMask(1 << 6); | |||
| 1284 | pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT(((unsigned long)1)<<31); | |||
| 1285 | } | |||
| 1286 | return result; | |||
| 1287 | } | |||
| 1288 | ||||
| 1289 | int | |||
| 1290 | SetPictureClipRegion(PicturePtr pPicture, | |||
| 1291 | int xOrigin, int yOrigin, RegionPtr pRegion) | |||
| 1292 | { | |||
| 1293 | ScreenPtr pScreen = pPicture->pDrawable->pScreen; | |||
| 1294 | PictureScreenPtr ps = GetPictureScreen(pScreen)((PictureScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&PictureScreenPrivateKeyRec))); | |||
| 1295 | RegionPtr clientClip; | |||
| 1296 | int result; | |||
| 1297 | int type; | |||
| 1298 | ||||
| 1299 | if (pRegion) { | |||
| 1300 | type = CT_REGION2; | |||
| 1301 | clientClip = RegionCreate(RegionExtents(pRegion), | |||
| 1302 | RegionNumRects(pRegion)); | |||
| 1303 | if (!clientClip) | |||
| 1304 | return BadAlloc11; | |||
| 1305 | if (!RegionCopy(clientClip, pRegion)) { | |||
| 1306 | RegionDestroy(clientClip); | |||
| 1307 | return BadAlloc11; | |||
| 1308 | } | |||
| 1309 | } | |||
| 1310 | else { | |||
| 1311 | type = CT_NONE0; | |||
| 1312 | clientClip = 0; | |||
| 1313 | } | |||
| 1314 | ||||
| 1315 | result = (*ps->ChangePictureClip) (pPicture, type, (void *) clientClip, 0); | |||
| 1316 | if (result == Success0) { | |||
| 1317 | pPicture->clipOrigin.x = xOrigin; | |||
| 1318 | pPicture->clipOrigin.y = yOrigin; | |||
| 1319 | pPicture->stateChanges |= CPClipXOrigin(1 << 4) | CPClipYOrigin(1 << 5) | CPClipMask(1 << 6); | |||
| 1320 | pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT(((unsigned long)1)<<31); | |||
| 1321 | } | |||
| 1322 | return result; | |||
| 1323 | } | |||
| 1324 | ||||
| 1325 | static Bool | |||
| 1326 | transformIsIdentity(PictTransform * t) | |||
| 1327 | { | |||
| 1328 | return ((t->matrix[0][0] == t->matrix[1][1]) && | |||
| 1329 | (t->matrix[0][0] == t->matrix[2][2]) && | |||
| 1330 | (t->matrix[0][0] != 0) && | |||
| 1331 | (t->matrix[0][1] == 0) && | |||
| 1332 | (t->matrix[0][2] == 0) && | |||
| 1333 | (t->matrix[1][0] == 0) && | |||
| 1334 | (t->matrix[1][2] == 0) && | |||
| 1335 | (t->matrix[2][0] == 0) && (t->matrix[2][1] == 0)); | |||
| 1336 | } | |||
| 1337 | ||||
| 1338 | int | |||
| 1339 | SetPictureTransform(PicturePtr pPicture, PictTransform * transform) | |||
| 1340 | { | |||
| 1341 | if (transform && transformIsIdentity(transform)) | |||
| 1342 | transform = 0; | |||
| 1343 | ||||
| 1344 | if (transform) { | |||
| 1345 | if (!pPicture->transform) { | |||
| 1346 | pPicture->transform = | |||
| 1347 | (PictTransform *) malloc(sizeof(PictTransform)); | |||
| 1348 | if (!pPicture->transform) | |||
| 1349 | return BadAlloc11; | |||
| 1350 | } | |||
| 1351 | *pPicture->transform = *transform; | |||
| 1352 | } | |||
| 1353 | else { | |||
| 1354 | free(pPicture->transform); | |||
| 1355 | pPicture->transform = NULL((void*)0); | |||
| 1356 | } | |||
| 1357 | pPicture->serialNumber |= GC_CHANGE_SERIAL_BIT(((unsigned long)1)<<31); | |||
| 1358 | ||||
| 1359 | if (pPicture->pDrawable != NULL((void*)0)) { | |||
| 1360 | int result; | |||
| 1361 | PictureScreenPtr ps = GetPictureScreen(pPicture->pDrawable->pScreen)((PictureScreenPtr)dixLookupPrivate(&(pPicture->pDrawable ->pScreen)->devPrivates, (&PictureScreenPrivateKeyRec ))); | |||
| 1362 | ||||
| 1363 | result = (*ps->ChangePictureTransform) (pPicture, transform); | |||
| 1364 | ||||
| 1365 | return result; | |||
| 1366 | } | |||
| 1367 | ||||
| 1368 | return Success0; | |||
| 1369 | } | |||
| 1370 | ||||
| 1371 | static void | |||
| 1372 | ValidateOnePicture(PicturePtr pPicture) | |||
| 1373 | { | |||
| 1374 | if (pPicture->pDrawable && | |||
| 1375 | pPicture->serialNumber != pPicture->pDrawable->serialNumber) { | |||
| 1376 | PictureScreenPtr ps = GetPictureScreen(pPicture->pDrawable->pScreen)((PictureScreenPtr)dixLookupPrivate(&(pPicture->pDrawable ->pScreen)->devPrivates, (&PictureScreenPrivateKeyRec ))); | |||
| 1377 | ||||
| 1378 | (*ps->ValidatePicture) (pPicture, pPicture->stateChanges); | |||
| 1379 | pPicture->stateChanges = 0; | |||
| 1380 | pPicture->serialNumber = pPicture->pDrawable->serialNumber; | |||
| 1381 | } | |||
| 1382 | } | |||
| 1383 | ||||
| 1384 | void | |||
| 1385 | ValidatePicture(PicturePtr pPicture) | |||
| 1386 | { | |||
| 1387 | ValidateOnePicture(pPicture); | |||
| 1388 | if (pPicture->alphaMap) | |||
| 1389 | ValidateOnePicture(pPicture->alphaMap); | |||
| 1390 | } | |||
| 1391 | ||||
| 1392 | int | |||
| 1393 | FreePicture(void *value, XID pid) | |||
| 1394 | { | |||
| 1395 | PicturePtr pPicture = (PicturePtr) value; | |||
| 1396 | ||||
| 1397 | if (--pPicture->refcnt == 0) { | |||
| 1398 | free(pPicture->transform); | |||
| 1399 | free(pPicture->filter_params); | |||
| 1400 | ||||
| 1401 | if (pPicture->pSourcePict) { | |||
| 1402 | if (pPicture->pSourcePict->type != SourcePictTypeSolidFill0) | |||
| 1403 | free(pPicture->pSourcePict->linear.stops); | |||
| 1404 | ||||
| 1405 | free(pPicture->pSourcePict); | |||
| 1406 | } | |||
| 1407 | ||||
| 1408 | if (pPicture->pDrawable) { | |||
| 1409 | ScreenPtr pScreen = pPicture->pDrawable->pScreen; | |||
| 1410 | PictureScreenPtr ps = GetPictureScreen(pScreen)((PictureScreenPtr)dixLookupPrivate(&(pScreen)->devPrivates , (&PictureScreenPrivateKeyRec))); | |||
| 1411 | ||||
| 1412 | if (pPicture->alphaMap) | |||
| 1413 | FreePicture((void *) pPicture->alphaMap, (XID) 0); | |||
| 1414 | (*ps->DestroyPicture) (pPicture); | |||
| 1415 | (*ps->DestroyPictureClip) (pPicture); | |||
| 1416 | if (pPicture->pDrawable->type == DRAWABLE_WINDOW0) { | |||
| 1417 | WindowPtr pWindow = (WindowPtr) pPicture->pDrawable; | |||
| 1418 | PicturePtr *pPrev; | |||
| 1419 | ||||
| 1420 | for (pPrev = (PicturePtr *) dixLookupPrivateAddr | |||
| 1421 | (&pWindow->devPrivates, PictureWindowPrivateKey(&PictureWindowPrivateKeyRec)); | |||
| 1422 | *pPrev; pPrev = &(*pPrev)->pNext) { | |||
| 1423 | if (*pPrev == pPicture) { | |||
| 1424 | *pPrev = pPicture->pNext; | |||
| 1425 | break; | |||
| 1426 | } | |||
| 1427 | } | |||
| 1428 | } | |||
| 1429 | else if (pPicture->pDrawable->type == DRAWABLE_PIXMAP1) { | |||
| 1430 | (*pScreen->DestroyPixmap) ((PixmapPtr) pPicture->pDrawable); | |||
| 1431 | } | |||
| 1432 | } | |||
| 1433 | dixFreeObjectWithPrivates(pPicture, PRIVATE_PICTURE)_dixFreeObjectWithPrivates(pPicture, (pPicture)->devPrivates , PRIVATE_PICTURE); | |||
| 1434 | } | |||
| 1435 | return Success0; | |||
| 1436 | } | |||
| 1437 | ||||
| 1438 | int | |||
| 1439 | FreePictFormat(void *pPictFormat, XID pid) | |||
| 1440 | { | |||
| 1441 | return Success0; | |||
| 1442 | } | |||
| 1443 | ||||
| 1444 | /** | |||
| 1445 | * ReduceCompositeOp is used to choose simpler ops for cases where alpha | |||
| 1446 | * channels are always one and so math on the alpha channel per pixel becomes | |||
| 1447 | * unnecessary. It may also avoid destination reads sometimes if apps aren't | |||
| 1448 | * being careful to avoid these cases. | |||
| 1449 | */ | |||
| 1450 | static CARD8 | |||
| 1451 | ReduceCompositeOp(CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst, | |||
| 1452 | INT16 xSrc, INT16 ySrc, CARD16 width, CARD16 height) | |||
| 1453 | { | |||
| 1454 | Bool no_src_alpha, no_dst_alpha; | |||
| 1455 | ||||
| 1456 | /* Sampling off the edge of a RepeatNone picture introduces alpha | |||
| 1457 | * even if the picture itself doesn't have alpha. We don't try to | |||
| 1458 | * detect every case where we don't sample off the edge, just the | |||
| 1459 | * simplest case where there is no transform on the source | |||
| 1460 | * picture. | |||
| 1461 | */ | |||
| 1462 | no_src_alpha = PICT_FORMAT_COLOR(pSrc->format)((((pSrc->format) >> 16) & 0xff) == 2 || (((pSrc ->format) >> 16) & 0xff) == 3 || (((pSrc->format ) >> 16) & 0xff) == 8 || (((pSrc->format) >> 16) & 0xff) == 9) && | |||
| 1463 | PICT_FORMAT_A(pSrc->format)(((pSrc->format) >> 12) & 0x0f) == 0 && | |||
| 1464 | (pSrc->repeatType != RepeatNone0 || | |||
| 1465 | (!pSrc->transform && | |||
| 1466 | xSrc >= 0 && ySrc >= 0 && | |||
| 1467 | xSrc + width <= pSrc->pDrawable->width && | |||
| 1468 | ySrc + height <= pSrc->pDrawable->height)) && | |||
| 1469 | pSrc->alphaMap == NULL((void*)0) && pMask == NULL((void*)0); | |||
| 1470 | no_dst_alpha = PICT_FORMAT_COLOR(pDst->format)((((pDst->format) >> 16) & 0xff) == 2 || (((pDst ->format) >> 16) & 0xff) == 3 || (((pDst->format ) >> 16) & 0xff) == 8 || (((pDst->format) >> 16) & 0xff) == 9) && | |||
| 1471 | PICT_FORMAT_A(pDst->format)(((pDst->format) >> 12) & 0x0f) == 0 && pDst->alphaMap == NULL((void*)0); | |||
| 1472 | ||||
| 1473 | /* TODO, maybe: Conjoint and Disjoint op reductions? */ | |||
| 1474 | ||||
| 1475 | /* Deal with simplifications where the source alpha is always 1. */ | |||
| 1476 | if (no_src_alpha) { | |||
| 1477 | switch (op) { | |||
| 1478 | case PictOpOver3: | |||
| 1479 | op = PictOpSrc1; | |||
| 1480 | break; | |||
| 1481 | case PictOpInReverse6: | |||
| 1482 | op = PictOpDst2; | |||
| 1483 | break; | |||
| 1484 | case PictOpOutReverse8: | |||
| 1485 | op = PictOpClear0; | |||
| 1486 | break; | |||
| 1487 | case PictOpAtop9: | |||
| 1488 | op = PictOpIn5; | |||
| 1489 | break; | |||
| 1490 | case PictOpAtopReverse10: | |||
| 1491 | op = PictOpOverReverse4; | |||
| 1492 | break; | |||
| 1493 | case PictOpXor11: | |||
| 1494 | op = PictOpOut7; | |||
| 1495 | break; | |||
| 1496 | default: | |||
| 1497 | break; | |||
| 1498 | } | |||
| 1499 | } | |||
| 1500 | ||||
| 1501 | /* Deal with simplifications when the destination alpha is always 1 */ | |||
| 1502 | if (no_dst_alpha) { | |||
| 1503 | switch (op) { | |||
| 1504 | case PictOpOverReverse4: | |||
| 1505 | op = PictOpDst2; | |||
| 1506 | break; | |||
| 1507 | case PictOpIn5: | |||
| 1508 | op = PictOpSrc1; | |||
| 1509 | break; | |||
| 1510 | case PictOpOut7: | |||
| 1511 | op = PictOpClear0; | |||
| 1512 | break; | |||
| 1513 | case PictOpAtop9: | |||
| 1514 | op = PictOpOver3; | |||
| 1515 | break; | |||
| 1516 | case PictOpXor11: | |||
| 1517 | op = PictOpOutReverse8; | |||
| 1518 | break; | |||
| 1519 | default: | |||
| 1520 | break; | |||
| 1521 | } | |||
| 1522 | } | |||
| 1523 | ||||
| 1524 | /* Reduce some con/disjoint ops to the basic names. */ | |||
| 1525 | switch (op) { | |||
| 1526 | case PictOpDisjointClear0x10: | |||
| 1527 | case PictOpConjointClear0x20: | |||
| 1528 | op = PictOpClear0; | |||
| 1529 | break; | |||
| 1530 | case PictOpDisjointSrc0x11: | |||
| 1531 | case PictOpConjointSrc0x21: | |||
| 1532 | op = PictOpSrc1; | |||
| 1533 | break; | |||
| 1534 | case PictOpDisjointDst0x12: | |||
| 1535 | case PictOpConjointDst0x22: | |||
| 1536 | op = PictOpDst2; | |||
| 1537 | break; | |||
| 1538 | default: | |||
| 1539 | break; | |||
| 1540 | } | |||
| 1541 | ||||
| 1542 | return op; | |||
| 1543 | } | |||
| 1544 | ||||
| 1545 | void | |||
| 1546 | CompositePicture(CARD8 op, | |||
| 1547 | PicturePtr pSrc, | |||
| 1548 | PicturePtr pMask, | |||
| 1549 | PicturePtr pDst, | |||
| 1550 | INT16 xSrc, | |||
| 1551 | INT16 ySrc, | |||
| 1552 | INT16 xMask, | |||
| 1553 | INT16 yMask, | |||
| 1554 | INT16 xDst, INT16 yDst, CARD16 width, CARD16 height) | |||
| 1555 | { | |||
| 1556 | PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen)((PictureScreenPtr)dixLookupPrivate(&(pDst->pDrawable-> pScreen)->devPrivates, (&PictureScreenPrivateKeyRec))); | |||
| 1557 | ||||
| 1558 | ValidatePicture(pSrc); | |||
| 1559 | if (pMask) | |||
| 1560 | ValidatePicture(pMask); | |||
| 1561 | ValidatePicture(pDst); | |||
| 1562 | ||||
| 1563 | op = ReduceCompositeOp(op, pSrc, pMask, pDst, xSrc, ySrc, width, height); | |||
| 1564 | if (op == PictOpDst2) | |||
| 1565 | return; | |||
| 1566 | ||||
| 1567 | (*ps->Composite) (op, | |||
| 1568 | pSrc, | |||
| 1569 | pMask, | |||
| 1570 | pDst, | |||
| 1571 | xSrc, ySrc, xMask, yMask, xDst, yDst, width, height); | |||
| 1572 | } | |||
| 1573 | ||||
| 1574 | void | |||
| 1575 | CompositeRects(CARD8 op, | |||
| 1576 | PicturePtr pDst, | |||
| 1577 | xRenderColor * color, int nRect, xRectangle *rects) | |||
| 1578 | { | |||
| 1579 | PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen)((PictureScreenPtr)dixLookupPrivate(&(pDst->pDrawable-> pScreen)->devPrivates, (&PictureScreenPrivateKeyRec))); | |||
| 1580 | ||||
| 1581 | ValidatePicture(pDst); | |||
| 1582 | (*ps->CompositeRects) (op, pDst, color, nRect, rects); | |||
| 1583 | } | |||
| 1584 | ||||
| 1585 | void | |||
| 1586 | CompositeTrapezoids(CARD8 op, | |||
| 1587 | PicturePtr pSrc, | |||
| 1588 | PicturePtr pDst, | |||
| 1589 | PictFormatPtr maskFormat, | |||
| 1590 | INT16 xSrc, INT16 ySrc, int ntrap, xTrapezoid * traps) | |||
| 1591 | { | |||
| 1592 | PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen)((PictureScreenPtr)dixLookupPrivate(&(pDst->pDrawable-> pScreen)->devPrivates, (&PictureScreenPrivateKeyRec))); | |||
| 1593 | ||||
| 1594 | ValidatePicture(pSrc); | |||
| 1595 | ValidatePicture(pDst); | |||
| 1596 | (*ps->Trapezoids) (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntrap, traps); | |||
| 1597 | } | |||
| 1598 | ||||
| 1599 | void | |||
| 1600 | CompositeTriangles(CARD8 op, | |||
| 1601 | PicturePtr pSrc, | |||
| 1602 | PicturePtr pDst, | |||
| 1603 | PictFormatPtr maskFormat, | |||
| 1604 | INT16 xSrc, | |||
| 1605 | INT16 ySrc, int ntriangles, xTriangle * triangles) | |||
| 1606 | { | |||
| 1607 | PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen)((PictureScreenPtr)dixLookupPrivate(&(pDst->pDrawable-> pScreen)->devPrivates, (&PictureScreenPrivateKeyRec))); | |||
| 1608 | ||||
| 1609 | ValidatePicture(pSrc); | |||
| 1610 | ValidatePicture(pDst); | |||
| 1611 | (*ps->Triangles) (op, pSrc, pDst, maskFormat, xSrc, ySrc, ntriangles, | |||
| 1612 | triangles); | |||
| 1613 | } | |||
| 1614 | ||||
| 1615 | void | |||
| 1616 | CompositeTriStrip(CARD8 op, | |||
| 1617 | PicturePtr pSrc, | |||
| 1618 | PicturePtr pDst, | |||
| 1619 | PictFormatPtr maskFormat, | |||
| 1620 | INT16 xSrc, INT16 ySrc, int npoints, xPointFixed * points) | |||
| 1621 | { | |||
| 1622 | PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen)((PictureScreenPtr)dixLookupPrivate(&(pDst->pDrawable-> pScreen)->devPrivates, (&PictureScreenPrivateKeyRec))); | |||
| 1623 | ||||
| 1624 | if (npoints < 3) | |||
| 1625 | return; | |||
| 1626 | ||||
| 1627 | ValidatePicture(pSrc); | |||
| 1628 | ValidatePicture(pDst); | |||
| 1629 | (*ps->TriStrip) (op, pSrc, pDst, maskFormat, xSrc, ySrc, npoints, points); | |||
| 1630 | } | |||
| 1631 | ||||
| 1632 | void | |||
| 1633 | CompositeTriFan(CARD8 op, | |||
| 1634 | PicturePtr pSrc, | |||
| 1635 | PicturePtr pDst, | |||
| 1636 | PictFormatPtr maskFormat, | |||
| 1637 | INT16 xSrc, INT16 ySrc, int npoints, xPointFixed * points) | |||
| 1638 | { | |||
| 1639 | PictureScreenPtr ps = GetPictureScreen(pDst->pDrawable->pScreen)((PictureScreenPtr)dixLookupPrivate(&(pDst->pDrawable-> pScreen)->devPrivates, (&PictureScreenPrivateKeyRec))); | |||
| 1640 | ||||
| 1641 | if (npoints < 3) | |||
| 1642 | return; | |||
| 1643 | ||||
| 1644 | ValidatePicture(pSrc); | |||
| 1645 | ValidatePicture(pDst); | |||
| 1646 | (*ps->TriFan) (op, pSrc, pDst, maskFormat, xSrc, ySrc, npoints, points); | |||
| 1647 | } | |||
| 1648 | ||||
| 1649 | void | |||
| 1650 | AddTraps(PicturePtr pPicture, INT16 xOff, INT16 yOff, int ntrap, xTrap * traps) | |||
| 1651 | { | |||
| 1652 | PictureScreenPtr ps = GetPictureScreen(pPicture->pDrawable->pScreen)((PictureScreenPtr)dixLookupPrivate(&(pPicture->pDrawable ->pScreen)->devPrivates, (&PictureScreenPrivateKeyRec ))); | |||
| 1653 | ||||
| 1654 | ValidatePicture(pPicture); | |||
| 1655 | (*ps->AddTraps) (pPicture, xOff, yOff, ntrap, traps); | |||
| 1656 | } |