/* * Copyright � 2006 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * Authors: * Eric Anholt <anholt@FreeBSD.org> * */ #ifdef HAVE_CONFIG_H #include <xorg-config.h> #endif #include <string.h> #include "exa_priv.h" #include "xf86str.h" #include "xf86.h" typedef struct _ExaXorgScreenPrivRec { CloseScreenProcPtr SavedCloseScreen; EnableDisableFBAccessProcPtr SavedEnableDisableFBAccess; OptionInfoPtr options; } ExaXorgScreenPrivRec, *ExaXorgScreenPrivPtr; static int exaXorgScreenPrivateKeyIndex; static DevPrivateKey exaXorgScreenPrivateKey = &exaXorgScreenPrivateKeyIndex; typedef enum { EXAOPT_MIGRATION_HEURISTIC, EXAOPT_NO_COMPOSITE, EXAOPT_NO_UTS, EXAOPT_NO_DFS, EXAOPT_OPTIMIZE_MIGRATION } EXAOpts; static const OptionInfoRec EXAOptions[] = { { EXAOPT_MIGRATION_HEURISTIC, "MigrationHeuristic", OPTV_ANYSTR, {0}, FALSE }, { EXAOPT_NO_COMPOSITE, "EXANoComposite", OPTV_BOOLEAN, {0}, FALSE }, { EXAOPT_NO_UTS, "EXANoUploadToScreen", OPTV_BOOLEAN, {0}, FALSE }, { EXAOPT_NO_DFS, "EXANoDownloadFromScreen", OPTV_BOOLEAN, {0}, FALSE }, { EXAOPT_OPTIMIZE_MIGRATION, "EXAOptimizeMigration", OPTV_BOOLEAN, {0}, FALSE }, { -1, NULL, OPTV_NONE, {0}, FALSE } }; static Bool exaXorgCloseScreen (int i, ScreenPtr pScreen) { ScrnInfoPtr pScrn = XF86SCRNINFO(pScreen); ExaXorgScreenPrivPtr pScreenPriv = (ExaXorgScreenPrivPtr) dixLookupPrivate(&pScreen->devPrivates, exaXorgScreenPrivateKey); pScreen->CloseScreen = pScreenPriv->SavedCloseScreen; pScrn->EnableDisableFBAccess = pScreenPriv->SavedEnableDisableFBAccess; xfree (pScreenPriv->options); xfree (pScreenPriv); return pScreen->CloseScreen (i, pScreen); } static void exaXorgEnableDisableFBAccess (int index, Bool enable) { ScreenPtr pScreen = screenInfo.screens[index]; ExaXorgScreenPrivPtr pScreenPriv = (ExaXorgScreenPrivPtr) dixLookupPrivate(&pScreen->devPrivates, exaXorgScreenPrivateKey); if (!enable) exaEnableDisableFBAccess (index, enable); if (pScreenPriv->SavedEnableDisableFBAccess) pScreenPriv->SavedEnableDisableFBAccess (index, enable); if (enable) exaEnableDisableFBAccess (index, enable); } /** * This will be called during exaDriverInit, giving us the chance to set options * and hook in our EnableDisableFBAccess. */ void exaDDXDriverInit(ScreenPtr pScreen) { ExaScreenPriv(pScreen); /* Do NOT use XF86SCRNINFO macro here!! */ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum]; ExaXorgScreenPrivPtr pScreenPriv; pScreenPriv = xcalloc (1, sizeof(ExaXorgScreenPrivRec)); if (pScreenPriv == NULL) return; pScreenPriv->options = xnfalloc (sizeof(EXAOptions)); memcpy(pScreenPriv->options, EXAOptions, sizeof(EXAOptions)); xf86ProcessOptions (pScrn->scrnIndex, pScrn->options, pScreenPriv->options); if ((pExaScr->info->flags & EXA_OFFSCREEN_PIXMAPS) && pExaScr->info->offScreenBase < pExaScr->info->memorySize) { char *heuristicName; heuristicName = xf86GetOptValString (pScreenPriv->options, EXAOPT_MIGRATION_HEURISTIC); if (heuristicName != NULL) { if (strcmp(heuristicName, "greedy") == 0) pExaScr->migration = ExaMigrationGreedy; else if (strcmp(heuristicName, "always") == 0) pExaScr->migration = ExaMigrationAlways; else if (strcmp(heuristicName, "smart") == 0) pExaScr->migration = ExaMigrationSmart; else { xf86DrvMsg (pScreen->myNum, X_WARNING, "EXA: unknown migration heuristic %s\n", heuristicName); } } pExaScr->optimize_migration = xf86ReturnOptValBool(pScreenPriv->options, EXAOPT_OPTIMIZE_MIGRATION, TRUE); } if (xf86ReturnOptValBool(pScreenPriv->options, EXAOPT_NO_COMPOSITE, FALSE)) { xf86DrvMsg(pScreen->myNum, X_CONFIG, "EXA: Disabling Composite operation " "(RENDER acceleration)\n"); pExaScr->info->CheckComposite = NULL; pExaScr->info->PrepareComposite = NULL; } if (xf86ReturnOptValBool(pScreenPriv->options, EXAOPT_NO_UTS, FALSE)) { xf86DrvMsg(pScreen->myNum, X_CONFIG, "EXA: Disabling UploadToScreen\n"); pExaScr->info->UploadToScreen = NULL; } if (xf86ReturnOptValBool(pScreenPriv->options, EXAOPT_NO_DFS, FALSE)) { xf86DrvMsg(pScreen->myNum, X_CONFIG, "EXA: Disabling DownloadFromScreen\n"); pExaScr->info->DownloadFromScreen = NULL; } dixSetPrivate(&pScreen->devPrivates, exaXorgScreenPrivateKey, pScreenPriv); pScreenPriv->SavedEnableDisableFBAccess = pScrn->EnableDisableFBAccess; pScrn->EnableDisableFBAccess = exaXorgEnableDisableFBAccess; pScreenPriv->SavedCloseScreen = pScreen->CloseScreen; pScreen->CloseScreen = exaXorgCloseScreen; } static XF86ModuleVersionInfo exaVersRec = { "exa", MODULEVENDORSTRING, MODINFOSTRING1, MODINFOSTRING2, XORG_VERSION_CURRENT, EXA_VERSION_MAJOR, EXA_VERSION_MINOR, EXA_VERSION_RELEASE, ABI_CLASS_VIDEODRV, /* requires the video driver ABI */ ABI_VIDEODRV_VERSION, MOD_CLASS_NONE, {0,0,0,0} }; _X_EXPORT XF86ModuleData exaModuleData = { &exaVersRec, NULL, NULL };