| 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 classic exa specific implementation. */ |
| 35 | |
| 36 | static _X_INLINE void * |
| 37 | ExaGetPixmapAddress(PixmapPtr p) |
| 38 | { |
| 39 | ExaPixmapPriv(p); |
| 40 | |
| 41 | if (pExaPixmap->use_gpu_copy && pExaPixmap->fb_ptr) |
| 42 | return pExaPixmap->fb_ptr; |
| 43 | else |
| 44 | return pExaPixmap->sys_ptr; |
| 45 | } |
| 46 | |
| 47 | /** |
| 48 | * exaCreatePixmap() creates a new pixmap. |
| 49 | * |
| 50 | * If width and height are 0, this won't be a full-fledged pixmap and it will |
| 51 | * get ModifyPixmapHeader() called on it later. So, we mark it as pinned, because |
| 52 | * ModifyPixmapHeader() would break migration. These types of pixmaps are used |
| 53 | * for scratch pixmaps, or to represent the visible screen. |
| 54 | */ |
| 55 | PixmapPtr |
| 56 | exaCreatePixmap_classic(ScreenPtr pScreen, int w, int h, int depth, |
| 57 | unsigned usage_hint) |
| 58 | { |
| 59 | PixmapPtr pPixmap; |
| 60 | ExaPixmapPrivPtr pExaPixmap; |
| 61 | BoxRec box; |
| 62 | int bpp; |
| 63 | |
| 64 | ExaScreenPriv(pScreen); |
| 65 | |
| 66 | if (w > 32767 || h > 32767) |
| 67 | return NullPixmap; |
| 68 | |
| 69 | swap(pExaScr, pScreen, CreatePixmap); |
| 70 | pPixmap = pScreen->CreatePixmap(pScreen, w, h, depth, usage_hint); |
| 71 | swap(pExaScr, pScreen, CreatePixmap); |
| 72 | |
| 73 | if (!pPixmap) |
| 74 | return NULL; |
| 75 | |
| 76 | pExaPixmap = ExaGetPixmapPriv(pPixmap); |
| 77 | pExaPixmap->driverPriv = NULL; |
| 78 | |
| 79 | bpp = pPixmap->drawable.bitsPerPixel; |
| 80 | |
| 81 | pExaPixmap->driverPriv = NULL; |
| 82 | /* Scratch pixmaps may have w/h equal to zero, and may not be |
| 83 | * migrated. |
| 84 | */ |
| 85 | if (!w || !h) |
| 86 | pExaPixmap->score = EXA_PIXMAP_SCORE_PINNED; |
| 87 | else |
| 88 | pExaPixmap->score = EXA_PIXMAP_SCORE_INIT; |
| 89 | |
| 90 | pExaPixmap->sys_ptr = pPixmap->devPrivate.ptr; |
| 91 | pExaPixmap->sys_pitch = pPixmap->devKind; |
| 92 | |
| 93 | pPixmap->devPrivate.ptr = NULL; |
| 94 | pExaPixmap->use_gpu_copy = FALSE; |
| 95 | |
| 96 | pExaPixmap->fb_ptr = NULL; |
| 97 | exaSetFbPitch(pExaScr, pExaPixmap, w, h, bpp); |
| 98 | pExaPixmap->fb_size = pExaPixmap->fb_pitch * h; |
| 99 | |
| 100 | if (pExaPixmap->fb_pitch > 131071) { |
| 101 | swap(pExaScr, pScreen, DestroyPixmap); |
| 102 | pScreen->DestroyPixmap(pPixmap); |
| 103 | swap(pExaScr, pScreen, DestroyPixmap); |
| 104 | return NULL; |
| 105 | } |
| 106 | |
| 107 | /* Set up damage tracking */ |
| 108 | pExaPixmap->pDamage = DamageCreate(NULL, NULL, |
| 109 | DamageReportNone, TRUE, |
| 110 | pScreen, pPixmap); |
| 111 | |
| 112 | if (pExaPixmap->pDamage == NULL) { |
| 113 | swap(pExaScr, pScreen, DestroyPixmap); |
| 114 | pScreen->DestroyPixmap(pPixmap); |
| 115 | swap(pExaScr, pScreen, DestroyPixmap); |
| 116 | return NULL; |
| 117 | } |
| 118 | |
| 119 | DamageRegister(&pPixmap->drawable, pExaPixmap->pDamage); |
| 120 | /* This ensures that pending damage reflects the current operation. */ |
| 121 | /* This is used by exa to optimize migration. */ |
| 122 | DamageSetReportAfterOp(pExaPixmap->pDamage, TRUE); |
| 123 | |
| 124 | pExaPixmap->area = NULL; |
| 125 | |
| 126 | /* We set the initial pixmap as completely valid for a simple reason. |
| 127 | * Imagine a 1000x1000 pixmap, it has 1 million pixels, 250000 of which |
| 128 | * could form single pixel rects as part of a region. Setting the complete region |
| 129 | * as valid is a natural defragmentation of the region. |
| 130 | */ |
| 131 | box.x1 = 0; |
| 132 | box.y1 = 0; |
| 133 | box.x2 = w; |
| 134 | box.y2 = h; |
| 135 | RegionInit(&pExaPixmap->validSys, &box, 0); |
| 136 | RegionInit(&pExaPixmap->validFB, &box, 0); |
| 137 | |
| 138 | exaSetAccelBlock(pExaScr, pExaPixmap, w, h, bpp); |
| 139 | |
| 140 | /* During a fallback we must prepare access. */ |
| 141 | if (pExaScr->fallback_counter) |
| 142 | exaPrepareAccess(&pPixmap->drawable, EXA_PREPARE_AUX_DEST); |
| 143 | |
| 144 | return pPixmap; |
| 145 | } |
| 146 | |
| 147 | Bool |
| 148 | exaModifyPixmapHeader_classic(PixmapPtr pPixmap, int width, int height, |
| 149 | int depth, int bitsPerPixel, int devKind, |
| 150 | pointer pPixData) |
| 151 | { |
| 152 | ScreenPtr pScreen; |
| 153 | ExaScreenPrivPtr pExaScr; |
| 154 | ExaPixmapPrivPtr pExaPixmap; |
| 155 | Bool ret; |
| 156 | |
| 157 | if (!pPixmap) |
| 158 | return FALSE; |
| 159 | |
| 160 | pScreen = pPixmap->drawable.pScreen; |
| 161 | pExaScr = ExaGetScreenPriv(pScreen); |
| 162 | pExaPixmap = ExaGetPixmapPriv(pPixmap); |
| 163 | |
| 164 | if (pExaPixmap) { |
| 165 | if (pPixData) |
| 166 | pExaPixmap->sys_ptr = pPixData; |
| 167 | |
| 168 | if (devKind > 0) |
| 169 | pExaPixmap->sys_pitch = devKind; |
| 170 | |
| 171 | /* Classic EXA: |
| 172 | * - Framebuffer. |
| 173 | * - Scratch pixmap with gpu memory. |
| 174 | */ |
| 175 | if (pExaScr->info->memoryBase && pPixData) { |
| 176 | if ((CARD8 *) pPixData >= pExaScr->info->memoryBase && |
| 177 | ((CARD8 *) pPixData - pExaScr->info->memoryBase) < |
| 178 | pExaScr->info->memorySize) { |
| 179 | pExaPixmap->fb_ptr = pPixData; |
| 180 | pExaPixmap->fb_pitch = devKind; |
| 181 | pExaPixmap->use_gpu_copy = TRUE; |
| 182 | } |
| 183 | } |
| 184 | |
| 185 | if (width > 0 && height > 0 && bitsPerPixel > 0) { |
| 186 | exaSetFbPitch(pExaScr, pExaPixmap, width, height, bitsPerPixel); |
| 187 | |
| 188 | exaSetAccelBlock(pExaScr, pExaPixmap, width, height, bitsPerPixel); |
| 189 | } |
| 190 | |
| 191 | /* Pixmaps subject to ModifyPixmapHeader will be pinned to system or |
| 192 | * gpu memory, so there's no need to track damage. |
| 193 | */ |
| 194 | if (pExaPixmap->pDamage) { |
| 195 | DamageDestroy(pExaPixmap->pDamage); |
| 196 | pExaPixmap->pDamage = NULL; |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | swap(pExaScr, pScreen, ModifyPixmapHeader); |
| 201 | ret = pScreen->ModifyPixmapHeader(pPixmap, width, height, depth, |
| 202 | bitsPerPixel, devKind, pPixData); |
| 203 | swap(pExaScr, pScreen, ModifyPixmapHeader); |
| 204 | |
| 205 | /* Always NULL this, we don't want lingering pointers. */ |
| 206 | pPixmap->devPrivate.ptr = NULL; |
| 207 | |
| 208 | return ret; |
| 209 | } |
| 210 | |
| 211 | Bool |
| 212 | exaDestroyPixmap_classic(PixmapPtr pPixmap) |
| 213 | { |
| 214 | ScreenPtr pScreen = pPixmap->drawable.pScreen; |
| 215 | |
| 216 | ExaScreenPriv(pScreen); |
| 217 | Bool ret; |
| 218 | |
| 219 | if (pPixmap->refcnt == 1) { |
| 220 | ExaPixmapPriv(pPixmap); |
| 221 | |
| 222 | exaDestroyPixmap(pPixmap); |
| 223 | |
| 224 | if (pExaPixmap->area) { |
| 225 | DBG_PIXMAP(("-- 0x%p (0x%x) (%dx%d)\n", |
| 226 | (void *) pPixmap->drawable.id, |
| 227 | ExaGetPixmapPriv(pPixmap)->area->offset, |
| 228 | pPixmap->drawable.width, pPixmap->drawable.height)); |
| 229 | /* Free the offscreen area */ |
| 230 | exaOffscreenFree(pPixmap->drawable.pScreen, pExaPixmap->area); |
| 231 | pPixmap->devPrivate.ptr = pExaPixmap->sys_ptr; |
| 232 | pPixmap->devKind = pExaPixmap->sys_pitch; |
| 233 | } |
| 234 | RegionUninit(&pExaPixmap->validSys); |
| 235 | RegionUninit(&pExaPixmap->validFB); |
| 236 | } |
| 237 | |
| 238 | swap(pExaScr, pScreen, DestroyPixmap); |
| 239 | ret = pScreen->DestroyPixmap(pPixmap); |
| 240 | swap(pExaScr, pScreen, DestroyPixmap); |
| 241 | |
| 242 | return ret; |
| 243 | } |
| 244 | |
| 245 | Bool |
| 246 | exaPixmapHasGpuCopy_classic(PixmapPtr pPixmap) |
| 247 | { |
| 248 | ScreenPtr pScreen = pPixmap->drawable.pScreen; |
| 249 | |
| 250 | ExaScreenPriv(pScreen); |
| 251 | ExaPixmapPriv(pPixmap); |
| 252 | Bool ret; |
| 253 | |
| 254 | if (pExaScr->info->PixmapIsOffscreen) { |
| 255 | void *old_ptr = pPixmap->devPrivate.ptr; |
| 256 | |
| 257 | pPixmap->devPrivate.ptr = ExaGetPixmapAddress(pPixmap); |
| 258 | ret = pExaScr->info->PixmapIsOffscreen(pPixmap); |
| 259 | pPixmap->devPrivate.ptr = old_ptr; |
| 260 | } |
| 261 | else |
| 262 | ret = (pExaPixmap->use_gpu_copy && pExaPixmap->fb_ptr); |
| 263 | |
| 264 | return ret; |
| 265 | } |