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/*
* 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 exaXorgServerGeneration;
static int exaXorgScreenPrivateIndex;
typedef enum {
EXAOPT_MIGRATION_HEURISTIC,
} EXAOpts;
static const OptionInfoRec EXAOptions[] = {
{ EXAOPT_MIGRATION_HEURISTIC, "MigrationHeuristic", OPTV_ANYSTR, {0}, FALSE },
{ -1, NULL, OPTV_NONE, {0}, FALSE }
};
static Bool
exaXorgCloseScreen (int i, ScreenPtr pScreen)
{
ScrnInfoPtr pScrn = XF86SCRNINFO(pScreen);
ExaXorgScreenPrivPtr pScreenPriv =
pScreen->devPrivates[exaXorgScreenPrivateIndex].ptr;
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 =
pScreen->devPrivates[exaXorgScreenPrivateIndex].ptr;
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;
if (exaXorgServerGeneration != serverGeneration) {
exaXorgScreenPrivateIndex = AllocateScreenPrivateIndex();
exaXorgServerGeneration = serverGeneration;
}
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);
}
}
}
pScreen->devPrivates[exaXorgScreenPrivateIndex].ptr = pScreenPriv;
pScreenPriv->SavedEnableDisableFBAccess = pScrn->EnableDisableFBAccess;
pScrn->EnableDisableFBAccess = exaXorgEnableDisableFBAccess;
pScreenPriv->SavedCloseScreen = pScreen->CloseScreen;
pScreen->CloseScreen = exaXorgCloseScreen;
}
static MODULESETUPPROTO(exaSetup);
/*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, exaSetup, NULL };
static ModuleInfoRec EXA = {
1,
"EXA",
NULL,
0,
EXAAvailableOptions,
};
/*ARGSUSED*/
static pointer
exaSetup(pointer Module, pointer Options, int *ErrorMajor, int *ErrorMinor)
{
static Bool Initialised = FALSE;
if (!Initialised) {
Initialised = TRUE;
xf86AddModuleInfo(&EXA, Module);
}
return (pointer)TRUE;
}
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