| 1 | /* |
| 2 | * Copyright © 2009 Maarten Maathuis |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice (including the next |
| 12 | * paragraph) shall be included in all copies or substantial portions of the |
| 13 | * Software. |
| 14 | * |
| 15 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 16 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 17 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 18 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 19 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 20 | * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 21 | * SOFTWARE. |
| 22 | * |
| 23 | */ |
| 24 | |
| 25 | #ifdef HAVE_DIX_CONFIG_H |
| 26 | #include <dix-config.h> |
| 27 | #endif |
| 28 | |
| 29 | #include <string.h> |
| 30 | |
| 31 | #include "exa_priv.h" |
| 32 | #include "exa.h" |
| 33 | |
| 34 | /* This file holds the driver allocated pixmaps + better initial placement code. |
| 35 | */ |
| 36 | |
| 37 | static _X_INLINE void * |
| 38 | ExaGetPixmapAddress(PixmapPtr p) |
| 39 | { |
| 40 | ExaPixmapPriv(p); |
| 41 | |
| 42 | return pExaPixmap->sys_ptr; |
| 43 | } |
| 44 | |
| 45 | /** |
| 46 | * exaCreatePixmap() creates a new pixmap. |
| 47 | */ |
| 48 | PixmapPtr |
| 49 | exaCreatePixmap_mixed(ScreenPtr pScreen, int w, int h, int depth, |
| 50 | unsigned usage_hint) |
| 51 | { |
| 52 | PixmapPtr pPixmap; |
| 53 | ExaPixmapPrivPtr pExaPixmap; |
| 54 | int bpp; |
| 55 | size_t paddedWidth; |
| 56 | |
| 57 | ExaScreenPriv(pScreen); |
| 58 | |
| 59 | if (w > 32767 || h > 32767) |
| 60 | return NullPixmap; |
| 61 | |
| 62 | swap(pExaScr, pScreen, CreatePixmap); |
| 63 | pPixmap = pScreen->CreatePixmap(pScreen, 0, 0, depth, usage_hint); |
| 64 | swap(pExaScr, pScreen, CreatePixmap); |
| 65 | |
| 66 | if (!pPixmap) |
| 67 | return NULL; |
| 68 | |
| 69 | pExaPixmap = ExaGetPixmapPriv(pPixmap); |
| 70 | pExaPixmap->driverPriv = NULL; |
| 71 | |
| 72 | bpp = pPixmap->drawable.bitsPerPixel; |
| 73 | |
| 74 | paddedWidth = ((w * bpp + FB_MASK) >> FB_SHIFT) * sizeof(FbBits); |
| 75 | if (paddedWidth / 4 > 32767 || h > 32767) |
| 76 | return NullPixmap; |
| 77 | |
| 78 | /* We will allocate the system pixmap later if needed. */ |
| 79 | pPixmap->devPrivate.ptr = NULL; |
| 80 | pExaPixmap->sys_ptr = NULL; |
| 81 | pExaPixmap->sys_pitch = paddedWidth; |
| 82 | |
| 83 | pExaPixmap->area = NULL; |
| 84 | pExaPixmap->fb_ptr = NULL; |
| 85 | pExaPixmap->pDamage = NULL; |
| 86 | |
| 87 | exaSetFbPitch(pExaScr, pExaPixmap, w, h, bpp); |
| 88 | exaSetAccelBlock(pExaScr, pExaPixmap, w, h, bpp); |
| 89 | |
| 90 | (*pScreen->ModifyPixmapHeader) (pPixmap, w, h, 0, 0, paddedWidth, NULL); |
| 91 | |
| 92 | /* A scratch pixmap will become a driver pixmap right away. */ |
| 93 | if (!w || !h) { |
| 94 | exaCreateDriverPixmap_mixed(pPixmap); |
| 95 | pExaPixmap->use_gpu_copy = exaPixmapHasGpuCopy(pPixmap); |
| 96 | } |
| 97 | else { |
| 98 | pExaPixmap->use_gpu_copy = FALSE; |
| 99 | |
| 100 | if (w == 1 && h == 1) { |
| 101 | pExaPixmap->sys_ptr = malloc(paddedWidth); |
| 102 | |
| 103 | /* Set up damage tracking */ |
| 104 | pExaPixmap->pDamage = DamageCreate(exaDamageReport_mixed, NULL, |
| 105 | DamageReportNonEmpty, TRUE, |
| 106 | pPixmap->drawable.pScreen, |
| 107 | pPixmap); |
| 108 | |
| 109 | if (pExaPixmap->pDamage) { |
| 110 | DamageRegister(&pPixmap->drawable, pExaPixmap->pDamage); |
| 111 | /* This ensures that pending damage reflects the current |
| 112 | * operation. This is used by exa to optimize migration. |
| 113 | */ |
| 114 | DamageSetReportAfterOp(pExaPixmap->pDamage, TRUE); |
| 115 | } |
| 116 | } |
| 117 | } |
| 118 | |
| 119 | /* During a fallback we must prepare access. */ |
| 120 | if (pExaScr->fallback_counter) |
| 121 | exaPrepareAccess(&pPixmap->drawable, EXA_PREPARE_AUX_DEST); |
| 122 | |
| 123 | return pPixmap; |
| 124 | } |
| 125 | |
| 126 | Bool |
| 127 | exaModifyPixmapHeader_mixed(PixmapPtr pPixmap, int width, int height, int depth, |
| 128 | int bitsPerPixel, int devKind, pointer pPixData) |
| 129 | { |
| 130 | ScreenPtr pScreen; |
| 131 | ExaScreenPrivPtr pExaScr; |
| 132 | ExaPixmapPrivPtr pExaPixmap; |
| 133 | Bool ret, has_gpu_copy; |
| 134 | |
| 135 | if (!pPixmap) |
| 136 | return FALSE; |
| 137 | |
| 138 | pScreen = pPixmap->drawable.pScreen; |
| 139 | pExaScr = ExaGetScreenPriv(pScreen); |
| 140 | pExaPixmap = ExaGetPixmapPriv(pPixmap); |
| 141 | |
| 142 | if (pPixData) { |
| 143 | if (pExaPixmap->driverPriv) { |
| 144 | if (pExaPixmap->pDamage) { |
| 145 | DamageDestroy(pExaPixmap->pDamage); |
| 146 | pExaPixmap->pDamage = NULL; |
| 147 | } |
| 148 | |
| 149 | pExaScr->info->DestroyPixmap(pScreen, pExaPixmap->driverPriv); |
| 150 | pExaPixmap->driverPriv = NULL; |
| 151 | } |
| 152 | |
| 153 | pExaPixmap->use_gpu_copy = FALSE; |
| 154 | pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED; |
| 155 | } |
| 156 | |
| 157 | has_gpu_copy = exaPixmapHasGpuCopy(pPixmap); |
| 158 | |
| 159 | if (width <= 0) |
| 160 | width = pPixmap->drawable.width; |
| 161 | |
| 162 | if (height <= 0) |
| 163 | height = pPixmap->drawable.height; |
| 164 | |
| 165 | if (bitsPerPixel <= 0) { |
| 166 | if (depth <= 0) |
| 167 | bitsPerPixel = pPixmap->drawable.bitsPerPixel; |
| 168 | else |
| 169 | bitsPerPixel = BitsPerPixel(depth); |
| 170 | } |
| 171 | |
| 172 | if (depth <= 0) |
| 173 | depth = pPixmap->drawable.depth; |
| 174 | |
| 175 | if (width != pPixmap->drawable.width || |
| 176 | height != pPixmap->drawable.height || |
| 177 | depth != pPixmap->drawable.depth || |
| 178 | bitsPerPixel != pPixmap->drawable.bitsPerPixel) { |
| 179 | if (pExaPixmap->driverPriv) { |
| 180 | if (devKind > 0) |
| 181 | pExaPixmap->fb_pitch = devKind; |
| 182 | else |
| 183 | exaSetFbPitch(pExaScr, pExaPixmap, width, height, bitsPerPixel); |
| 184 | |
| 185 | exaSetAccelBlock(pExaScr, pExaPixmap, width, height, bitsPerPixel); |
| 186 | RegionEmpty(&pExaPixmap->validFB); |
| 187 | } |
| 188 | |
| 189 | /* Need to re-create system copy if there's also a GPU copy */ |
| 190 | if (has_gpu_copy) { |
| 191 | if (pExaPixmap->sys_ptr) { |
| 192 | free(pExaPixmap->sys_ptr); |
| 193 | pExaPixmap->sys_ptr = NULL; |
| 194 | DamageDestroy(pExaPixmap->pDamage); |
| 195 | pExaPixmap->pDamage = NULL; |
| 196 | RegionEmpty(&pExaPixmap->validSys); |
| 197 | |
| 198 | if (pExaScr->deferred_mixed_pixmap == pPixmap) |
| 199 | pExaScr->deferred_mixed_pixmap = NULL; |
| 200 | } |
| 201 | |
| 202 | pExaPixmap->sys_pitch = PixmapBytePad(width, depth); |
| 203 | } |
| 204 | } |
| 205 | |
| 206 | if (has_gpu_copy) { |
| 207 | pPixmap->devPrivate.ptr = pExaPixmap->fb_ptr; |
| 208 | pPixmap->devKind = pExaPixmap->fb_pitch; |
| 209 | } |
| 210 | else { |
| 211 | pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr; |
| 212 | pPixmap->devKind = pExaPixmap->sys_pitch; |
| 213 | } |
| 214 | |
| 215 | /* Only pass driver pixmaps to the driver. */ |
| 216 | if (pExaScr->info->ModifyPixmapHeader && pExaPixmap->driverPriv) { |
| 217 | ret = pExaScr->info->ModifyPixmapHeader(pPixmap, width, height, depth, |
| 218 | bitsPerPixel, devKind, |
| 219 | pPixData); |
| 220 | if (ret == TRUE) |
| 221 | goto out; |
| 222 | } |
| 223 | |
| 224 | swap(pExaScr, pScreen, ModifyPixmapHeader); |
| 225 | ret = pScreen->ModifyPixmapHeader(pPixmap, width, height, depth, |
| 226 | bitsPerPixel, devKind, pPixData); |
| 227 | swap(pExaScr, pScreen, ModifyPixmapHeader); |
| 228 | |
| 229 | out: |
| 230 | if (has_gpu_copy) { |
| 231 | pExaPixmap->fb_ptr = pPixmap->devPrivate.ptr; |
| 232 | pExaPixmap->fb_pitch = pPixmap->devKind; |
| 233 | } |
| 234 | else { |
| 235 | pExaPixmap->sys_ptr = pPixmap->devPrivate.ptr; |
| 236 | pExaPixmap->sys_pitch = pPixmap->devKind; |
| 237 | } |
| 238 | /* Always NULL this, we don't want lingering pointers. */ |
| 239 | pPixmap->devPrivate.ptr = NULL; |
| 240 | |
| 241 | return ret; |
| 242 | } |
| 243 | |
| 244 | Bool |
| 245 | exaDestroyPixmap_mixed(PixmapPtr pPixmap) |
| 246 | { |
| 247 | ScreenPtr pScreen = pPixmap->drawable.pScreen; |
| 248 | |
| 249 | ExaScreenPriv(pScreen); |
| 250 | Bool ret; |
| 251 | |
| 252 | if (pPixmap->refcnt == 1) { |
| 253 | ExaPixmapPriv(pPixmap); |
| 254 | |
| 255 | exaDestroyPixmap(pPixmap); |
| 256 | |
| 257 | if (pExaScr->deferred_mixed_pixmap == pPixmap) |
| 258 | pExaScr->deferred_mixed_pixmap = NULL; |
| 259 | |
| 260 | if (pExaPixmap->driverPriv) |
| 261 | pExaScr->info->DestroyPixmap(pScreen, pExaPixmap->driverPriv); |
| 262 | pExaPixmap->driverPriv = NULL; |
| 263 | |
| 264 | if (pExaPixmap->pDamage) { |
| 265 | free(pExaPixmap->sys_ptr); |
| 266 | pExaPixmap->sys_ptr = NULL; |
| 267 | pExaPixmap->pDamage = NULL; |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | swap(pExaScr, pScreen, DestroyPixmap); |
| 272 | ret = pScreen->DestroyPixmap(pPixmap); |
| 273 | swap(pExaScr, pScreen, DestroyPixmap); |
| 274 | |
| 275 | return ret; |
| 276 | } |
| 277 | |
| 278 | Bool |
| 279 | exaPixmapHasGpuCopy_mixed(PixmapPtr pPixmap) |
| 280 | { |
| 281 | ScreenPtr pScreen = pPixmap->drawable.pScreen; |
| 282 | |
| 283 | ExaScreenPriv(pScreen); |
| 284 | ExaPixmapPriv(pPixmap); |
| 285 | pointer saved_ptr; |
| 286 | Bool ret; |
| 287 | |
| 288 | if (!pExaPixmap->driverPriv) |
| 289 | return FALSE; |
| 290 | |
| 291 | saved_ptr = pPixmap->devPrivate.ptr; |
| 292 | pPixmap->devPrivate.ptr = ExaGetPixmapAddress(pPixmap); |
| 293 | ret = pExaScr->info->PixmapIsOffscreen(pPixmap); |
| 294 | pPixmap->devPrivate.ptr = saved_ptr; |
| 295 | |
| 296 | return ret; |
| 297 | } |
| 298 | |
| 299 | Bool |
| 300 | exaSharePixmapBacking_mixed(PixmapPtr pPixmap, ScreenPtr slave, void **handle_p) |
| 301 | { |
| 302 | ScreenPtr pScreen = pPixmap->drawable.pScreen; |
| 303 | ExaScreenPriv(pScreen); |
| 304 | Bool ret = FALSE; |
| 305 | |
| 306 | exaMoveInPixmap(pPixmap); |
| 307 | /* get the driver to give us a handle */ |
| 308 | if (pExaScr->info->SharePixmapBacking) |
| 309 | ret = pExaScr->info->SharePixmapBacking(pPixmap, slave, handle_p); |
| 310 | |
| 311 | return ret; |
| 312 | } |
| 313 | |
| 314 | Bool |
| 315 | exaSetSharedPixmapBacking_mixed(PixmapPtr pPixmap, void *handle) |
| 316 | { |
| 317 | ScreenPtr pScreen = pPixmap->drawable.pScreen; |
| 318 | ExaScreenPriv(pScreen); |
| 319 | Bool ret = FALSE; |
| 320 | |
| 321 | if (pExaScr->info->SetSharedPixmapBacking) |
| 322 | ret = pExaScr->info->SetSharedPixmapBacking(pPixmap, handle); |
| 323 | |
| 324 | if (ret == TRUE) |
| 325 | exaMoveInPixmap(pPixmap); |
| 326 | |
| 327 | return ret; |
| 328 | } |
| 329 | |
| 330 | |