| File: | render/picture.c |
| Location: | line 915, column 45 |
| Description: | Result of 'malloc' is converted to a pointer of type 'union _SourcePict', which is incompatible with sizeof operand type 'PictLinearGradient' |
| 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)); |
Result of 'malloc' is converted to a pointer of type 'union _SourcePict', which is incompatible with sizeof operand type '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 | } |