diff options
Diffstat (limited to 'xorg-server/hw/xfree86/exa/examodule.c')
| -rw-r--r-- | xorg-server/hw/xfree86/exa/examodule.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/xorg-server/hw/xfree86/exa/examodule.c b/xorg-server/hw/xfree86/exa/examodule.c new file mode 100644 index 000000000..e18da0a37 --- /dev/null +++ b/xorg-server/hw/xfree86/exa/examodule.c @@ -0,0 +1,203 @@ +/* + * 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 DevPrivateKey exaXorgScreenPrivateKey = &exaXorgScreenPrivateKey; + +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, + FALSE); + } + + 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; + +} + +/*ARGSUSED*/ +static const OptionInfoRec * +EXAAvailableOptions(void *unused) +{ + return (EXAOptions); +} + +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 }; |