aboutsummaryrefslogtreecommitdiff
path: root/xorg-server/hw/xfree86
diff options
context:
space:
mode:
Diffstat (limited to 'xorg-server/hw/xfree86')
-rw-r--r--xorg-server/hw/xfree86/common/xf86Helper.c104
-rw-r--r--xorg-server/hw/xfree86/common/xf86Xinput.c2820
-rw-r--r--xorg-server/hw/xfree86/dri/dri.c5000
3 files changed, 3911 insertions, 4013 deletions
diff --git a/xorg-server/hw/xfree86/common/xf86Helper.c b/xorg-server/hw/xfree86/common/xf86Helper.c
index 1a5bf8a1c..399883886 100644
--- a/xorg-server/hw/xfree86/common/xf86Helper.c
+++ b/xorg-server/hw/xfree86/common/xf86Helper.c
@@ -983,106 +983,6 @@ xf86SetBlackWhitePixels(ScreenPtr pScreen)
}
/*
- * xf86SetRootClip --
- * Enable or disable rendering to the screen by
- * setting the root clip list and revalidating
- * all of the windows
- */
-
-static void
-xf86SetRootClip (ScreenPtr pScreen, Bool enable)
-{
- WindowPtr pWin = pScreen->root;
- WindowPtr pChild;
- Bool WasViewable = (Bool)(pWin->viewable);
- Bool anyMarked = FALSE;
- WindowPtr pLayerWin;
- BoxRec box;
-
- if (WasViewable)
- {
- for (pChild = pWin->firstChild; pChild; pChild = pChild->nextSib)
- {
- (void) (*pScreen->MarkOverlappedWindows)(pChild,
- pChild,
- &pLayerWin);
- }
- (*pScreen->MarkWindow) (pWin);
- anyMarked = TRUE;
- if (pWin->valdata)
- {
- if (HasBorder (pWin))
- {
- RegionPtr borderVisible;
-
- borderVisible = RegionCreate(NullBox, 1);
- RegionSubtract(borderVisible,
- &pWin->borderClip, &pWin->winSize);
- pWin->valdata->before.borderVisible = borderVisible;
- }
- pWin->valdata->before.resized = TRUE;
- }
- }
-
- /*
- * Use REGION_BREAK to avoid optimizations in ValidateTree
- * that assume the root borderClip can't change well, normally
- * it doesn't...)
- */
- if (enable)
- {
- box.x1 = 0;
- box.y1 = 0;
- box.x2 = pScreen->width;
- box.y2 = pScreen->height;
- RegionInit(&pWin->winSize, &box, 1);
- RegionInit(&pWin->borderSize, &box, 1);
- if (WasViewable)
- RegionReset(&pWin->borderClip, &box);
- pWin->drawable.width = pScreen->width;
- pWin->drawable.height = pScreen->height;
- RegionBreak(&pWin->clipList);
- }
- else
- {
- RegionEmpty(&pWin->borderClip);
- RegionBreak(&pWin->clipList);
- }
-
- ResizeChildrenWinSize (pWin, 0, 0, 0, 0);
-
- if (WasViewable)
- {
- if (pWin->firstChild)
- {
- anyMarked |= (*pScreen->MarkOverlappedWindows)(pWin->firstChild,
- pWin->firstChild,
- (WindowPtr *)NULL);
- }
- else
- {
- (*pScreen->MarkWindow) (pWin);
- anyMarked = TRUE;
- }
-
-
- if (anyMarked)
- (*pScreen->ValidateTree)(pWin, NullWindow, VTOther);
- }
-
- if (WasViewable)
- {
- if (anyMarked)
- (*pScreen->HandleExposures)(pWin);
- if (anyMarked && pScreen->PostValidateTree)
- (*pScreen->PostValidateTree)(pWin, NullWindow, VTOther);
- }
- if (pWin->realized)
- WindowsRestructured ();
- FlushAllOutput ();
-}
-
-/*
* Function to enable/disable access to the frame buffer
*
* This is used when VT switching and when entering/leaving DGA direct mode.
@@ -1115,7 +1015,7 @@ xf86EnableDisableFBAccess(int scrnIndex, Bool enable)
* Restore all of the clip lists on the screen
*/
if (!xf86Resetting)
- xf86SetRootClip (pScreen, TRUE);
+ SetRootClip (pScreen, TRUE);
}
else
@@ -1123,7 +1023,7 @@ xf86EnableDisableFBAccess(int scrnIndex, Bool enable)
/*
* Empty all of the clip lists on the screen
*/
- xf86SetRootClip (pScreen, FALSE);
+ SetRootClip (pScreen, FALSE);
}
}
diff --git a/xorg-server/hw/xfree86/common/xf86Xinput.c b/xorg-server/hw/xfree86/common/xf86Xinput.c
index 4166a1c38..ae22ef268 100644
--- a/xorg-server/hw/xfree86/common/xf86Xinput.c
+++ b/xorg-server/hw/xfree86/common/xf86Xinput.c
@@ -1,1409 +1,1411 @@
-/*
- * Copyright 1995-1999 by Frederic Lepied, France. <Lepied@XFree86.org>
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Frederic Lepied not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Frederic Lepied makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * FREDERIC LEPIED DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL FREDERIC LEPIED BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- *
- */
-/*
- * Copyright (c) 2000-2002 by The XFree86 Project, Inc.
- *
- * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * OTHER DEALINGS IN THE SOFTWARE.
- *
- * Except as contained in this notice, the name of the copyright holder(s)
- * and author(s) shall not be used in advertising or otherwise to promote
- * the sale, use or other dealings in this Software without prior written
- * authorization from the copyright holder(s) and author(s).
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <X11/Xfuncproto.h>
-#include <X11/Xmd.h>
-#include <X11/extensions/XI.h>
-#include <X11/extensions/XIproto.h>
-#include <X11/Xatom.h>
-#include "xf86.h"
-#include "xf86Priv.h"
-#include "xf86Config.h"
-#include "xf86Xinput.h"
-#include "xf86Optrec.h"
-#include "mipointer.h"
-#include "extinit.h"
-#include "loaderProcs.h"
-
-#include "exevents.h" /* AddInputDevice */
-#include "exglobals.h"
-#include "eventstr.h"
-#include "inpututils.h"
-
-#include <string.h> /* InputClassMatches */
-#ifdef HAVE_FNMATCH_H
-#include <fnmatch.h>
-#endif
-#ifdef HAVE_SYS_UTSNAME_H
-#include <sys/utsname.h>
-#endif
-
-#include <stdarg.h>
-#include <stdint.h> /* for int64_t */
-
-#include "mi.h"
-
-#include <ptrveloc.h> /* dix pointer acceleration */
-#include <xserver-properties.h>
-
-#ifdef XFreeXDGA
-#include "dgaproc.h"
-#endif
-
-#include "xkbsrv.h"
-
-/* Valuator verification macro */
-#define XI_VERIFY_VALUATORS(num_valuators) \
- if (num_valuators > MAX_VALUATORS) { \
- xf86Msg(X_ERROR, "%s: num_valuator %d is greater than" \
- " MAX_VALUATORS\n", __FUNCTION__, num_valuators); \
- return; \
- }
-
-EventListPtr xf86Events = NULL;
-
-static int
-xf86InputDevicePostInit(DeviceIntPtr dev);
-
-/**
- * Eval config and modify DeviceVelocityRec accordingly
- */
-static void
-ProcessVelocityConfiguration(DeviceIntPtr pDev, char* devname, pointer list,
- DeviceVelocityPtr s)
-{
- int tempi;
- float tempf;
- Atom float_prop = XIGetKnownProperty(XATOM_FLOAT);
- Atom prop;
-
- if(!s)
- return;
-
- /* common settings (available via device properties) */
- tempf = xf86SetRealOption(list, "ConstantDeceleration", 1.0);
- if (tempf > 1.0) {
- xf86Msg(X_CONFIG, "%s: (accel) constant deceleration by %.1f\n",
- devname, tempf);
- prop = XIGetKnownProperty(ACCEL_PROP_CONSTANT_DECELERATION);
- XIChangeDeviceProperty(pDev, prop, float_prop, 32,
- PropModeReplace, 1, &tempf, FALSE);
- }
-
- tempf = xf86SetRealOption(list, "AdaptiveDeceleration", 1.0);
- if (tempf > 1.0) {
- xf86Msg(X_CONFIG, "%s: (accel) adaptive deceleration by %.1f\n",
- devname, tempf);
- prop = XIGetKnownProperty(ACCEL_PROP_ADAPTIVE_DECELERATION);
- XIChangeDeviceProperty(pDev, prop, float_prop, 32,
- PropModeReplace, 1, &tempf, FALSE);
- }
-
- /* select profile by number */
- tempi = xf86SetIntOption(list, "AccelerationProfile",
- s->statistics.profile_number);
-
- prop = XIGetKnownProperty(ACCEL_PROP_PROFILE_NUMBER);
- if (XIChangeDeviceProperty(pDev, prop, XA_INTEGER, 32,
- PropModeReplace, 1, &tempi, FALSE) == Success) {
- xf86Msg(X_CONFIG, "%s: (accel) acceleration profile %i\n", devname,
- tempi);
- } else {
- xf86Msg(X_CONFIG, "%s: (accel) acceleration profile %i is unknown\n",
- devname, tempi);
- }
-
- /* set scaling */
- tempf = xf86SetRealOption(list, "ExpectedRate", 0);
- prop = XIGetKnownProperty(ACCEL_PROP_VELOCITY_SCALING);
- if (tempf > 0) {
- tempf = 1000.0 / tempf;
- XIChangeDeviceProperty(pDev, prop, float_prop, 32,
- PropModeReplace, 1, &tempf, FALSE);
- } else {
- tempf = xf86SetRealOption(list, "VelocityScale", s->corr_mul);
- XIChangeDeviceProperty(pDev, prop, float_prop, 32,
- PropModeReplace, 1, &tempf, FALSE);
- }
-
- tempi = xf86SetIntOption(list, "VelocityTrackerCount", -1);
- if (tempi > 1)
- InitTrackers(s, tempi);
-
- s->initial_range = xf86SetIntOption(list, "VelocityInitialRange",
- s->initial_range);
-
- s->max_diff = xf86SetRealOption(list, "VelocityAbsDiff", s->max_diff);
-
- tempf = xf86SetRealOption(list, "VelocityRelDiff", -1);
- if (tempf >= 0) {
- xf86Msg(X_CONFIG, "%s: (accel) max rel. velocity difference: %.1f%%\n",
- devname, tempf*100.0);
- s->max_rel_diff = tempf;
- }
-
- /* Configure softening. If const deceleration is used, this is expected
- * to provide better subpixel information so we enable
- * softening by default only if ConstantDeceleration is not used
- */
- s->use_softening = xf86SetBoolOption(list, "Softening",
- s->const_acceleration == 1.0);
-
- s->average_accel = xf86SetBoolOption(list, "AccelerationProfileAveraging",
- s->average_accel);
-
- s->reset_time = xf86SetIntOption(list, "VelocityReset", s->reset_time);
-}
-
-static void
-ApplyAccelerationSettings(DeviceIntPtr dev){
- int scheme, i;
- DeviceVelocityPtr pVel;
- InputInfoPtr pInfo = (InputInfoPtr)dev->public.devicePrivate;
- char* schemeStr;
-
- if (dev->valuator && dev->ptrfeed) {
- schemeStr = xf86SetStrOption(pInfo->options, "AccelerationScheme", "");
-
- scheme = dev->valuator->accelScheme.number;
-
- if (!xf86NameCmp(schemeStr, "predictable"))
- scheme = PtrAccelPredictable;
-
- if (!xf86NameCmp(schemeStr, "lightweight"))
- scheme = PtrAccelLightweight;
-
- if (!xf86NameCmp(schemeStr, "none"))
- scheme = PtrAccelNoOp;
-
- /* reinit scheme if needed */
- if (dev->valuator->accelScheme.number != scheme) {
- if (dev->valuator->accelScheme.AccelCleanupProc) {
- dev->valuator->accelScheme.AccelCleanupProc(dev);
- }
-
- if (InitPointerAccelerationScheme(dev, scheme)) {
- xf86Msg(X_CONFIG, "%s: (accel) selected scheme %s/%i\n",
- pInfo->name, schemeStr, scheme);
- } else {
- xf86Msg(X_CONFIG, "%s: (accel) could not init scheme %s\n",
- pInfo->name, schemeStr);
- scheme = dev->valuator->accelScheme.number;
- }
- } else {
- xf86Msg(X_CONFIG, "%s: (accel) keeping acceleration scheme %i\n",
- pInfo->name, scheme);
- }
-
- free(schemeStr);
-
- /* process special configuration */
- switch (scheme) {
- case PtrAccelPredictable:
- pVel = GetDevicePredictableAccelData(dev);
- ProcessVelocityConfiguration (dev, pInfo->name, pInfo->options,
- pVel);
- break;
- }
-
- i = xf86SetIntOption(pInfo->options, "AccelerationNumerator",
- dev->ptrfeed->ctrl.num);
- if (i >= 0)
- dev->ptrfeed->ctrl.num = i;
-
- i = xf86SetIntOption(pInfo->options, "AccelerationDenominator",
- dev->ptrfeed->ctrl.den);
- if (i > 0)
- dev->ptrfeed->ctrl.den = i;
-
- i = xf86SetIntOption(pInfo->options, "AccelerationThreshold",
- dev->ptrfeed->ctrl.threshold);
- if (i >= 0)
- dev->ptrfeed->ctrl.threshold = i;
-
- xf86Msg(X_CONFIG, "%s: (accel) acceleration factor: %.3f\n",
- pInfo->name, ((float)dev->ptrfeed->ctrl.num)/
- ((float)dev->ptrfeed->ctrl.den));
- xf86Msg(X_CONFIG, "%s: (accel) acceleration threshold: %i\n",
- pInfo->name, dev->ptrfeed->ctrl.threshold);
- }
-}
-
-/***********************************************************************
- *
- * xf86ProcessCommonOptions --
- *
- * Process global options.
- *
- ***********************************************************************
- */
-void
-xf86ProcessCommonOptions(InputInfoPtr pInfo,
- pointer list)
-{
- if (xf86SetBoolOption(list, "Floating", 0) ||
- !xf86SetBoolOption(list, "AlwaysCore", 1) ||
- !xf86SetBoolOption(list, "SendCoreEvents", 1) ||
- !xf86SetBoolOption(list, "CorePointer", 1) ||
- !xf86SetBoolOption(list, "CoreKeyboard", 1)) {
- xf86Msg(X_CONFIG, "%s: doesn't report core events\n", pInfo->name);
- } else {
- pInfo->flags |= XI86_ALWAYS_CORE;
- xf86Msg(X_CONFIG, "%s: always reports core events\n", pInfo->name);
- }
-}
-
-/***********************************************************************
- *
- * xf86ActivateDevice --
- *
- * Initialize an input device.
- *
- * Returns TRUE on success, or FALSE otherwise.
- ***********************************************************************
- */
-static DeviceIntPtr
-xf86ActivateDevice(InputInfoPtr pInfo)
-{
- DeviceIntPtr dev;
- Atom atom;
-
- dev = AddInputDevice(serverClient, pInfo->device_control, TRUE);
-
- if (dev == NULL)
- {
- xf86Msg(X_ERROR, "Too many input devices. Ignoring %s\n",
- pInfo->name);
- pInfo->dev = NULL;
- return NULL;
- }
-
- atom = MakeAtom(pInfo->type_name, strlen(pInfo->type_name), TRUE);
- AssignTypeAndName(dev, atom, pInfo->name);
- dev->public.devicePrivate = pInfo;
- pInfo->dev = dev;
-
- dev->coreEvents = pInfo->flags & XI86_ALWAYS_CORE;
- dev->type = SLAVE;
- dev->spriteInfo->spriteOwner = FALSE;
-
- dev->config_info = xf86SetStrOption(pInfo->options, "config_info", NULL);
-
- if (serverGeneration == 1)
- xf86Msg(X_INFO, "XINPUT: Adding extended input device \"%s\" (type: %s)\n",
- pInfo->name, pInfo->type_name);
-
- return dev;
-}
-
-/****************************************************************************
- *
- * Caller: ProcXSetDeviceMode
- *
- * Change the mode of an extension device.
- * This function is used to change the mode of a device from reporting
- * relative motion to reporting absolute positional information, and
- * vice versa.
- * The default implementation below is that no such devices are supported.
- *
- ***********************************************************************
- */
-
-int
-SetDeviceMode (ClientPtr client, DeviceIntPtr dev, int mode)
-{
- InputInfoPtr pInfo = (InputInfoPtr)dev->public.devicePrivate;
-
- if (pInfo->switch_mode) {
- return (*pInfo->switch_mode)(client, dev, mode);
- }
- else
- return BadMatch;
-}
-
-
-/***********************************************************************
- *
- * Caller: ProcXSetDeviceValuators
- *
- * Set the value of valuators on an extension input device.
- * This function is used to set the initial value of valuators on
- * those input devices that are capable of reporting either relative
- * motion or an absolute position, and allow an initial position to be set.
- * The default implementation below is that no such devices are supported.
- *
- ***********************************************************************
- */
-
-int
-SetDeviceValuators (ClientPtr client, DeviceIntPtr dev, int *valuators,
- int first_valuator, int num_valuators)
-{
- InputInfoPtr pInfo = (InputInfoPtr) dev->public.devicePrivate;
-
- if (pInfo->set_device_valuators)
- return (*pInfo->set_device_valuators)(pInfo, valuators, first_valuator,
- num_valuators);
-
- return BadMatch;
-}
-
-
-/***********************************************************************
- *
- * Caller: ProcXChangeDeviceControl
- *
- * Change the specified device controls on an extension input device.
- *
- ***********************************************************************
- */
-
-int
-ChangeDeviceControl (ClientPtr client, DeviceIntPtr dev, xDeviceCtl *control)
-{
- InputInfoPtr pInfo = (InputInfoPtr)dev->public.devicePrivate;
-
- if (!pInfo->control_proc) {
- switch (control->control) {
- case DEVICE_CORE:
- return BadMatch;
- case DEVICE_RESOLUTION:
- case DEVICE_ABS_CALIB:
- case DEVICE_ABS_AREA:
- case DEVICE_ENABLE:
- return Success;
- default:
- return BadMatch;
- }
- }
- else {
- return (*pInfo->control_proc)(pInfo, control);
- }
-}
-
-/*
- * Get the operating system name from uname and store it statically to avoid
- * repeating the system call each time MatchOS is checked.
- */
-static const char *
-HostOS(void)
-{
-#ifdef HAVE_SYS_UTSNAME_H
- struct utsname name;
- static char host_os[sizeof(name.sysname)] = "";
-
- if (*host_os == '\0') {
- if (uname(&name) >= 0)
- strcpy(host_os, name.sysname);
- else {
- strncpy(host_os, "unknown", sizeof(host_os));
- host_os[sizeof(host_os)-1] = '\0';
- }
- }
- return host_os;
-#else
- return "";
-#endif
-}
-
-static int
-match_substring(const char *attr, const char *pattern)
-{
- return (strstr(attr, pattern)) ? 0 : -1;
-}
-
-#ifdef HAVE_FNMATCH_H
-static int
-match_pattern(const char *attr, const char *pattern)
-{
- return fnmatch(pattern, attr, 0);
-}
-#else
-#define match_pattern match_substring
-#endif
-
-#ifdef HAVE_FNMATCH_H
-static int
-match_path_pattern(const char *attr, const char *pattern)
-{
- return fnmatch(pattern, attr, FNM_PATHNAME);
-}
-#else
-#define match_path_pattern match_substring
-#endif
-
-/*
- * Match an attribute against a list of NULL terminated arrays of patterns.
- * If a pattern in each list entry is matched, return TRUE.
- */
-static Bool
-MatchAttrToken(const char *attr, struct list *patterns,
- int (*compare)(const char *attr, const char *pattern))
-{
- const xf86MatchGroup *group;
-
- /* If there are no patterns, accept the match */
- if (list_is_empty(patterns))
- return TRUE;
-
- /* If there are patterns but no attribute, reject the match */
- if (!attr)
- return FALSE;
-
- /*
- * Otherwise, iterate the list of patterns ensuring each entry has a
- * match. Each list entry is a separate Match line of the same type.
- */
- list_for_each_entry(group, patterns, entry) {
- char * const *cur;
- Bool match = FALSE;
-
- for (cur = group->values; *cur; cur++)
- if ((*compare)(attr, *cur) == 0) {
- match = TRUE;
- break;
- }
- if (!match)
- return FALSE;
- }
-
- /* All the entries in the list matched the attribute */
- return TRUE;
-}
-
-/*
- * Classes without any Match statements match all devices. Otherwise, all
- * statements must match.
- */
-static Bool
-InputClassMatches(const XF86ConfInputClassPtr iclass, const InputInfoPtr idev,
- const InputAttributes *attrs)
-{
- /* MatchProduct substring */
- if (!MatchAttrToken(attrs->product, &iclass->match_product, match_substring))
- return FALSE;
-
- /* MatchVendor substring */
- if (!MatchAttrToken(attrs->vendor, &iclass->match_vendor, match_substring))
- return FALSE;
-
- /* MatchDevicePath pattern */
- if (!MatchAttrToken(attrs->device, &iclass->match_device, match_path_pattern))
- return FALSE;
-
- /* MatchOS case-insensitive string */
- if (!MatchAttrToken(HostOS(), &iclass->match_os, strcasecmp))
- return FALSE;
-
- /* MatchPnPID pattern */
- if (!MatchAttrToken(attrs->pnp_id, &iclass->match_pnpid, match_pattern))
- return FALSE;
-
- /* MatchUSBID pattern */
- if (!MatchAttrToken(attrs->usb_id, &iclass->match_usbid, match_pattern))
- return FALSE;
-
- /* MatchDriver string */
- if (!MatchAttrToken(idev->driver, &iclass->match_driver, strcmp))
- return FALSE;
-
- /*
- * MatchTag string
- * See if any of the device's tags match any of the MatchTag tokens.
- */
- if (!list_is_empty(&iclass->match_tag)) {
- char * const *tag;
- Bool match;
-
- if (!attrs->tags)
- return FALSE;
- for (tag = attrs->tags, match = FALSE; *tag; tag++) {
- if (MatchAttrToken(*tag, &iclass->match_tag, strcmp)) {
- match = TRUE;
- break;
- }
- }
- if (!match)
- return FALSE;
- }
-
- /* MatchIs* booleans */
- if (iclass->is_keyboard.set &&
- iclass->is_keyboard.val != !!(attrs->flags & ATTR_KEYBOARD))
- return FALSE;
- if (iclass->is_pointer.set &&
- iclass->is_pointer.val != !!(attrs->flags & ATTR_POINTER))
- return FALSE;
- if (iclass->is_joystick.set &&
- iclass->is_joystick.val != !!(attrs->flags & ATTR_JOYSTICK))
- return FALSE;
- if (iclass->is_tablet.set &&
- iclass->is_tablet.val != !!(attrs->flags & ATTR_TABLET))
- return FALSE;
- if (iclass->is_touchpad.set &&
- iclass->is_touchpad.val != !!(attrs->flags & ATTR_TOUCHPAD))
- return FALSE;
- if (iclass->is_touchscreen.set &&
- iclass->is_touchscreen.val != !!(attrs->flags & ATTR_TOUCHSCREEN))
- return FALSE;
-
- return TRUE;
-}
-
-/*
- * Merge in any InputClass configurations. Options in each InputClass
- * section have more priority than the original device configuration as
- * well as any previous InputClass sections.
- */
-static int
-MergeInputClasses(const InputInfoPtr idev, const InputAttributes *attrs)
-{
- XF86ConfInputClassPtr cl;
- XF86OptionPtr classopts;
-
- for (cl = xf86configptr->conf_inputclass_lst; cl; cl = cl->list.next) {
- if (!InputClassMatches(cl, idev, attrs))
- continue;
-
- /* Collect class options and driver settings */
- classopts = xf86optionListDup(cl->option_lst);
- if (cl->driver) {
- free(idev->driver);
- idev->driver = xstrdup(cl->driver);
- if (!idev->driver) {
- xf86Msg(X_ERROR, "Failed to allocate memory while merging "
- "InputClass configuration");
- return BadAlloc;
- }
- classopts = xf86ReplaceStrOption(classopts, "driver",
- idev->driver);
- }
-
- /* Apply options to device with InputClass settings preferred. */
- xf86Msg(X_CONFIG, "%s: Applying InputClass \"%s\"\n",
- idev->name, cl->identifier);
- idev->options = xf86optionListMerge(idev->options, classopts);
- }
-
- return Success;
-}
-
-/*
- * Iterate the list of classes and look for Option "Ignore". Return the
- * value of the last matching class and holler when returning TRUE.
- */
-static Bool
-IgnoreInputClass(const InputInfoPtr idev, const InputAttributes *attrs)
-{
- XF86ConfInputClassPtr cl;
- Bool ignore = FALSE;
- const char *ignore_class;
-
- for (cl = xf86configptr->conf_inputclass_lst; cl; cl = cl->list.next) {
- if (!InputClassMatches(cl, idev, attrs))
- continue;
- if (xf86findOption(cl->option_lst, "Ignore")) {
- ignore = xf86CheckBoolOption(cl->option_lst, "Ignore", FALSE);
- ignore_class = cl->identifier;
- }
- }
-
- if (ignore)
- xf86Msg(X_CONFIG, "%s: Ignoring device from InputClass \"%s\"\n",
- idev->name, ignore_class);
- return ignore;
-}
-
-InputInfoPtr
-xf86AllocateInput(void)
-{
- InputInfoPtr pInfo;
-
- pInfo = calloc(sizeof(*pInfo), 1);
- if (!pInfo)
- return NULL;
-
- pInfo->fd = -1;
- pInfo->type_name = "UNKNOWN";
-
- return pInfo;
-}
-
-/* Append InputInfoRec to the tail of xf86InputDevs. */
-static void
-xf86AddInput(InputDriverPtr drv, InputInfoPtr pInfo)
-{
- InputInfoPtr *prev = NULL;
-
- pInfo->drv = drv;
- pInfo->module = DuplicateModule(drv->module, NULL);
-
- for (prev = &xf86InputDevs; *prev; prev = &(*prev)->next)
- ;
-
- *prev = pInfo;
- pInfo->next = NULL;
-
- xf86CollectInputOptions(pInfo, (const char**)drv->default_options);
- xf86OptionListReport(pInfo->options);
- xf86ProcessCommonOptions(pInfo, pInfo->options);
-}
-
-/*
- * Remove an entry from xf86InputDevs and free all the device's information.
- */
-void
-xf86DeleteInput(InputInfoPtr pInp, int flags)
-{
- /* First check if the inputdev is valid. */
- if (pInp == NULL)
- return;
-
- if (pInp->module)
- UnloadModule(pInp->module);
-
- /* This should *really* be handled in drv->UnInit(dev) call instead, but
- * if the driver forgets about it make sure we free it or at least crash
- * with flying colors */
- free(pInp->private);
-
- FreeInputAttributes(pInp->attrs);
-
- /* Remove the entry from the list. */
- if (pInp == xf86InputDevs)
- xf86InputDevs = pInp->next;
- else {
- InputInfoPtr p = xf86InputDevs;
- while (p && p->next != pInp)
- p = p->next;
- if (p)
- p->next = pInp->next;
- /* Else the entry wasn't in the xf86InputDevs list (ignore this). */
- }
-
- free(pInp->driver);
- free(pInp->name);
- xf86optionListFree(pInp->options);
- free(pInp);
-}
-
-/*
- * Apply backend-specific initialization. Invoked after ActiveteDevice(),
- * i.e. after the driver successfully completed DEVICE_INIT and the device
- * is advertised.
- * @param dev the device
- * @return Success or an error code
- */
-static int
-xf86InputDevicePostInit(DeviceIntPtr dev) {
- ApplyAccelerationSettings(dev);
- return Success;
-}
-
-/**
- * Create a new input device, activate and enable it.
- *
- * Possible return codes:
- * BadName .. a bad driver name was supplied.
- * BadImplementation ... The driver does not have a PreInit function. This
- * is a driver bug.
- * BadMatch .. device initialization failed.
- * BadAlloc .. too many input devices
- *
- * @param idev The device, already set up with identifier, driver, and the
- * options.
- * @param pdev Pointer to the new device, if Success was reported.
- * @param enable Enable the device after activating it.
- *
- * @return Success or an error code
- */
-_X_INTERNAL int
-xf86NewInputDevice(InputInfoPtr pInfo, DeviceIntPtr *pdev, BOOL enable)
-{
- InputDriverPtr drv = NULL;
- DeviceIntPtr dev = NULL;
- int rval;
-
- /* Memory leak for every attached device if we don't
- * test if the module is already loaded first */
- drv = xf86LookupInputDriver(pInfo->driver);
- if (!drv)
- if (xf86LoadOneModule(pInfo->driver, NULL))
- drv = xf86LookupInputDriver(pInfo->driver);
- if (!drv) {
- xf86Msg(X_ERROR, "No input driver matching `%s'\n", pInfo->driver);
- rval = BadName;
- goto unwind;
- }
-
- if (!drv->PreInit) {
- xf86Msg(X_ERROR,
- "Input driver `%s' has no PreInit function (ignoring)\n",
- drv->driverName);
- rval = BadImplementation;
- goto unwind;
- }
-
- xf86AddInput(drv, pInfo);
-
- rval = drv->PreInit(drv, pInfo, 0);
-
- if (rval != Success) {
- xf86Msg(X_ERROR, "PreInit returned %d for \"%s\"\n", rval, pInfo->name);
- goto unwind;
- }
-
- if (!(dev = xf86ActivateDevice(pInfo)))
- {
- rval = BadAlloc;
- goto unwind;
- }
-
- rval = ActivateDevice(dev, TRUE);
- if (rval != Success)
- {
- xf86Msg(X_ERROR, "Couldn't init device \"%s\"\n", pInfo->name);
- RemoveDevice(dev, TRUE);
- goto unwind;
- }
-
- rval = xf86InputDevicePostInit(dev);
- if (rval != Success)
- {
- xf86Msg(X_ERROR, "Couldn't post-init device \"%s\"\n", pInfo->name);
- RemoveDevice(dev, TRUE);
- goto unwind;
- }
-
- /* Enable it if it's properly initialised and we're currently in the VT */
- if (enable && dev->inited && dev->startup && xf86Screens[0]->vtSema)
- {
- OsBlockSignals();
- EnableDevice(dev, TRUE);
- if (!dev->enabled)
- {
- OsReleaseSignals();
- xf86Msg(X_ERROR, "Couldn't init device \"%s\"\n", pInfo->name);
- rval = BadMatch;
- goto unwind;
- }
- /* send enter/leave event, update sprite window */
- CheckMotion(NULL, dev);
- OsReleaseSignals();
- }
-
- *pdev = dev;
- return Success;
-
-unwind:
- if(pInfo) {
- if(drv && drv->UnInit)
- drv->UnInit(drv, pInfo, 0);
- else
- xf86DeleteInput(pInfo, 0);
- }
- return rval;
-}
-
-int
-NewInputDeviceRequest (InputOption *options, InputAttributes *attrs,
- DeviceIntPtr *pdev)
-{
- InputInfoPtr pInfo = NULL;
- InputOption *option = NULL;
- int rval = Success;
- int is_auto = 0;
-
- pInfo = xf86AllocateInput();
- if (!pInfo)
- return BadAlloc;
-
- for (option = options; option; option = option->next) {
- if (strcasecmp(option->key, "driver") == 0) {
- if (pInfo->driver) {
- rval = BadRequest;
- goto unwind;
- }
- pInfo->driver = xstrdup(option->value);
- if (!pInfo->driver) {
- rval = BadAlloc;
- goto unwind;
- }
- }
-
- if (strcasecmp(option->key, "name") == 0 ||
- strcasecmp(option->key, "identifier") == 0) {
- if (pInfo->name) {
- rval = BadRequest;
- goto unwind;
- }
- pInfo->name = xstrdup(option->value);
- if (!pInfo->name) {
- rval = BadAlloc;
- goto unwind;
- }
- }
-
- if (strcmp(option->key, "_source") == 0 &&
- (strcmp(option->value, "server/hal") == 0 ||
- strcmp(option->value, "server/udev") == 0)) {
- is_auto = 1;
- if (!xf86Info.autoAddDevices) {
- rval = BadMatch;
- goto unwind;
- }
- }
- }
-
- for (option = options; option; option = option->next) {
- /* Steal option key/value strings from the provided list.
- * We need those strings, the InputOption list doesn't. */
- pInfo->options = xf86addNewOption(pInfo->options,
- option->key, option->value);
- option->key = NULL;
- option->value = NULL;
- }
-
- /* Apply InputClass settings */
- if (attrs) {
- if (IgnoreInputClass(pInfo, attrs)) {
- rval = BadIDChoice;
- goto unwind;
- }
-
- rval = MergeInputClasses(pInfo, attrs);
- if (rval != Success)
- goto unwind;
-
- pInfo->attrs = DuplicateInputAttributes(attrs);
- }
-
- if (!pInfo->driver || !pInfo->name) {
- xf86Msg(X_INFO, "No input driver/identifier specified (ignoring)\n");
- rval = BadRequest;
- goto unwind;
- }
-
- if (!pInfo->name) {
- xf86Msg(X_ERROR, "No device identifier specified (ignoring)\n");
- rval = BadMatch;
- goto unwind;
- }
-
- rval = xf86NewInputDevice(pInfo, pdev,
- (!is_auto || (is_auto && xf86Info.autoEnableDevices)));
-
- return rval;
-
-unwind:
- if (is_auto && !xf86Info.autoAddDevices)
- xf86Msg(X_INFO, "AutoAddDevices is off - not adding device.\n");
- xf86DeleteInput(pInfo, 0);
- return rval;
-}
-
-void
-DeleteInputDeviceRequest(DeviceIntPtr pDev)
-{
- InputInfoPtr pInfo = (InputInfoPtr) pDev->public.devicePrivate;
- InputDriverPtr drv = NULL;
- Bool isMaster = IsMaster(pDev);
-
- if (pInfo) /* need to get these before RemoveDevice */
- drv = pInfo->drv;
-
- OsBlockSignals();
- RemoveDevice(pDev, TRUE);
-
- if (!isMaster && pInfo != NULL)
- {
- if(drv->UnInit)
- drv->UnInit(drv, pInfo, 0);
- else
- xf86DeleteInput(pInfo, 0);
- }
- OsReleaseSignals();
-}
-
-/*
- * convenient functions to post events
- */
-
-void
-xf86PostMotionEvent(DeviceIntPtr device,
- int is_absolute,
- int first_valuator,
- int num_valuators,
- ...)
-{
- va_list var;
- int i = 0;
- ValuatorMask mask;
-
- XI_VERIFY_VALUATORS(num_valuators);
-
- valuator_mask_zero(&mask);
- va_start(var, num_valuators);
- for (i = 0; i < num_valuators; i++)
- valuator_mask_set(&mask, first_valuator + i, va_arg(var, int));
- va_end(var);
-
- xf86PostMotionEventM(device, is_absolute, &mask);
-}
-
-void
-xf86PostMotionEventP(DeviceIntPtr device,
- int is_absolute,
- int first_valuator,
- int num_valuators,
- const int *valuators)
-{
- ValuatorMask mask;
-
- XI_VERIFY_VALUATORS(num_valuators);
-
- valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators);
- xf86PostMotionEventM(device, is_absolute, &mask);
-}
-
-void
-xf86PostMotionEventM(DeviceIntPtr device,
- int is_absolute,
- const ValuatorMask *mask)
-{
- int i = 0, nevents = 0;
- DeviceEvent *event;
- int flags = 0;
-
- if (valuator_mask_num_valuators(mask) > 0)
- {
- if (is_absolute)
- flags = POINTER_ABSOLUTE;
- else
- flags = POINTER_RELATIVE | POINTER_ACCELERATE;
- }
-
-#if XFreeXDGA
- /* The evdev driver may not always send all axes across. */
- if (valuator_mask_isset(mask, 0) ||
- valuator_mask_isset(mask, 1))
- if (miPointerGetScreen(device)) {
- int index = miPointerGetScreen(device)->myNum;
- int dx = 0, dy = 0;
-
- if (valuator_mask_isset(mask, 0))
- {
- dx = valuator_mask_get(mask, 0);
- if (is_absolute)
- dx -= device->last.valuators[0];
- }
-
- if (valuator_mask_isset(mask, 1))
- {
- dy = valuator_mask_get(mask, 1);
- if (is_absolute)
- dy -= device->last.valuators[1];
- }
-
- if (DGAStealMotionEvent(device, index, dx, dy))
- return;
- }
-#endif
-
- nevents = GetPointerEvents(xf86Events, device, MotionNotify, 0, flags, mask);
-
- for (i = 0; i < nevents; i++) {
- event = (DeviceEvent*)((xf86Events + i)->event);
- mieqEnqueue(device, (InternalEvent*)((xf86Events + i)->event));
- }
-}
-
-void
-xf86PostProximityEvent(DeviceIntPtr device,
- int is_in,
- int first_valuator,
- int num_valuators,
- ...)
-{
- va_list var;
- int i;
- ValuatorMask mask;
-
- XI_VERIFY_VALUATORS(num_valuators);
-
- valuator_mask_zero(&mask);
- va_start(var, num_valuators);
- for (i = 0; i < num_valuators; i++)
- valuator_mask_set(&mask, first_valuator + i, va_arg(var, int));
- va_end(var);
-
- xf86PostProximityEventM(device, is_in, &mask);
-}
-
-void
-xf86PostProximityEventP(DeviceIntPtr device,
- int is_in,
- int first_valuator,
- int num_valuators,
- const int *valuators)
-{
- ValuatorMask mask;
-
- XI_VERIFY_VALUATORS(num_valuators);
-
- valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators);
- xf86PostProximityEventM(device, is_in, &mask);
-}
-
-void
-xf86PostProximityEventM(DeviceIntPtr device,
- int is_in,
- const ValuatorMask *mask)
-{
- int i, nevents;
-
- nevents = GetProximityEvents(xf86Events, device,
- is_in ? ProximityIn : ProximityOut, mask);
- for (i = 0; i < nevents; i++)
- mieqEnqueue(device, (InternalEvent*)((xf86Events + i)->event));
-
-}
-
-void
-xf86PostButtonEvent(DeviceIntPtr device,
- int is_absolute,
- int button,
- int is_down,
- int first_valuator,
- int num_valuators,
- ...)
-{
- va_list var;
- ValuatorMask mask;
- int i = 0;
-
- XI_VERIFY_VALUATORS(num_valuators);
-
- valuator_mask_zero(&mask);
-
- va_start(var, num_valuators);
- for (i = 0; i < num_valuators; i++)
- valuator_mask_set(&mask, first_valuator + i, va_arg(var, int));
- va_end(var);
-
- xf86PostButtonEventM(device, is_absolute, button, is_down, &mask);
-}
-
-void
-xf86PostButtonEventP(DeviceIntPtr device,
- int is_absolute,
- int button,
- int is_down,
- int first_valuator,
- int num_valuators,
- const int *valuators)
-{
- ValuatorMask mask;
-
- XI_VERIFY_VALUATORS(num_valuators);
-
- valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators);
- xf86PostButtonEventM(device, is_absolute, button, is_down, &mask);
-}
-
-void
-xf86PostButtonEventM(DeviceIntPtr device,
- int is_absolute,
- int button,
- int is_down,
- const ValuatorMask *mask)
-{
- int i = 0, nevents = 0;
- int flags = 0;
-
- if (valuator_mask_num_valuators(mask) > 0)
- {
- if (is_absolute)
- flags = POINTER_ABSOLUTE;
- else
- flags = POINTER_RELATIVE | POINTER_ACCELERATE;
- }
-
-#if XFreeXDGA
- if (miPointerGetScreen(device)) {
- int index = miPointerGetScreen(device)->myNum;
-
- if (DGAStealButtonEvent(device, index, button, is_down))
- return;
- }
-#endif
-
- nevents = GetPointerEvents(xf86Events, device,
- is_down ? ButtonPress : ButtonRelease, button,
- flags, mask);
-
- for (i = 0; i < nevents; i++)
- mieqEnqueue(device, (InternalEvent*)((xf86Events + i)->event));
-
-}
-
-void
-xf86PostKeyEvent(DeviceIntPtr device,
- unsigned int key_code,
- int is_down,
- int is_absolute,
- int first_valuator,
- int num_valuators,
- ...)
-{
- va_list var;
- int i = 0;
- ValuatorMask mask;
-
- XI_VERIFY_VALUATORS(num_valuators);
-
- valuator_mask_zero(&mask);
-
- va_start(var, num_valuators);
- for (i = 0; i < num_valuators; i++)
- valuator_mask_set(&mask, first_valuator + i, va_arg(var, int));
- va_end(var);
-
- xf86PostKeyEventM(device, key_code, is_down, is_absolute, &mask);
-}
-
-void
-xf86PostKeyEventP(DeviceIntPtr device,
- unsigned int key_code,
- int is_down,
- int is_absolute,
- int first_valuator,
- int num_valuators,
- const int *valuators)
-{
- ValuatorMask mask;
-
- XI_VERIFY_VALUATORS(num_valuators);
-
- valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators);
- xf86PostKeyEventM(device, key_code, is_down, is_absolute, &mask);
-}
-
-void
-xf86PostKeyEventM(DeviceIntPtr device,
- unsigned int key_code,
- int is_down,
- int is_absolute,
- const ValuatorMask *mask)
-{
- int i = 0, nevents = 0;
-
-#if XFreeXDGA
- DeviceIntPtr pointer;
-
- /* Some pointers send key events, paired device is wrong then. */
- pointer = IsPointerDevice(device) ? device : GetPairedDevice(device);
- if (miPointerGetScreen(pointer)) {
- int index = miPointerGetScreen(pointer)->myNum;
-
- if (DGAStealKeyEvent(device, index, key_code, is_down))
- return;
- }
-#endif
-
- if (is_absolute) {
- nevents = GetKeyboardValuatorEvents(xf86Events, device,
- is_down ? KeyPress : KeyRelease,
- key_code, mask);
- }
- else {
- nevents = GetKeyboardEvents(xf86Events, device,
- is_down ? KeyPress : KeyRelease,
- key_code);
- }
-
- for (i = 0; i < nevents; i++)
- mieqEnqueue(device, (InternalEvent*)((xf86Events + i)->event));
-}
-
-void
-xf86PostKeyboardEvent(DeviceIntPtr device,
- unsigned int key_code,
- int is_down)
-{
- ValuatorMask mask;
-
- valuator_mask_zero(&mask);
- xf86PostKeyEventM(device, key_code, is_down, 0, &mask);
-}
-
-InputInfoPtr
-xf86FirstLocalDevice(void)
-{
- return xf86InputDevs;
-}
-
-/*
- * Cx - raw data from touch screen
- * to_max - scaled highest dimension
- * (remember, this is of rows - 1 because of 0 origin)
- * to_min - scaled lowest dimension
- * from_max - highest raw value from touch screen calibration
- * from_min - lowest raw value from touch screen calibration
- *
- * This function is the same for X or Y coordinates.
- * You may have to reverse the high and low values to compensate for
- * different orgins on the touch screen vs X.
- *
- * e.g. to scale from device coordinates into screen coordinates, call
- * xf86ScaleAxis(x, 0, screen_width, dev_min, dev_max);
- */
-
-int
-xf86ScaleAxis(int Cx,
- int to_max,
- int to_min,
- int from_max,
- int from_min )
-{
- int X;
- int64_t to_width = to_max - to_min;
- int64_t from_width = from_max - from_min;
-
- if (from_width) {
- X = (int)(((to_width * (Cx - from_min)) / from_width) + to_min);
- }
- else {
- X = 0;
- ErrorF ("Divide by Zero in xf86ScaleAxis\n");
- }
-
- if (X > to_max)
- X = to_max;
- if (X < to_min)
- X = to_min;
-
- return X;
-}
-
-/*
- * This function checks the given screen against the current screen and
- * makes changes if appropriate. It should be called from an XInput driver's
- * ReadInput function before any events are posted, if the device is screen
- * specific like a touch screen.
- */
-void
-xf86XInputSetScreen(InputInfoPtr pInfo,
- int screen_number,
- int x,
- int y)
-{
- if (miPointerGetScreen(pInfo->dev) !=
- screenInfo.screens[screen_number]) {
- miPointerSetScreen(pInfo->dev, screen_number, x, y);
- }
-}
-
-
-void
-xf86InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, Atom label, int minval, int maxval,
- int resolution, int min_res, int max_res, int mode)
-{
- if (!dev || !dev->valuator)
- return;
-
- InitValuatorAxisStruct(dev, axnum, label, minval, maxval, resolution, min_res,
- max_res, mode);
-}
-
-/*
- * Set the valuator values to be in synch with dix/event.c
- * DefineInitialRootWindow().
- */
-void
-xf86InitValuatorDefaults(DeviceIntPtr dev, int axnum)
-{
- if (axnum == 0) {
- dev->valuator->axisVal[0] = screenInfo.screens[0]->width / 2;
- dev->last.valuators[0] = dev->valuator->axisVal[0];
- }
- else if (axnum == 1) {
- dev->valuator->axisVal[1] = screenInfo.screens[0]->height / 2;
- dev->last.valuators[1] = dev->valuator->axisVal[1];
- }
-}
-
-
-/**
- * Deactivate a device. Call this function from the driver if you receive a
- * read error or something else that spoils your day.
- * Device will be moved to the off_devices list, but it will still be there
- * until you really clean up after it.
- * Notifies the client about an inactive device.
- *
- * @param panic True if device is unrecoverable and needs to be removed.
- */
-void
-xf86DisableDevice(DeviceIntPtr dev, Bool panic)
-{
- if(!panic)
- {
- DisableDevice(dev, TRUE);
- } else
- {
- SendDevicePresenceEvent(dev->id, DeviceUnrecoverable);
- DeleteInputDeviceRequest(dev);
- }
-}
-
-/**
- * Reactivate a device. Call this function from the driver if you just found
- * out that the read error wasn't quite that bad after all.
- * Device will be re-activated, and an event sent to the client.
- */
-void
-xf86EnableDevice(DeviceIntPtr dev)
-{
- EnableDevice(dev, TRUE);
-}
-
-/* end of xf86Xinput.c */
+/*
+ * Copyright 1995-1999 by Frederic Lepied, France. <Lepied@XFree86.org>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Frederic Lepied not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission. Frederic Lepied makes no
+ * representations about the suitability of this software for any purpose. It
+ * is provided "as is" without express or implied warranty.
+ *
+ * FREDERIC LEPIED DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL FREDERIC LEPIED BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ *
+ */
+/*
+ * Copyright (c) 2000-2002 by The XFree86 Project, Inc.
+ *
+ * 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Except as contained in this notice, the name of the copyright holder(s)
+ * and author(s) shall not be used in advertising or otherwise to promote
+ * the sale, use or other dealings in this Software without prior written
+ * authorization from the copyright holder(s) and author(s).
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include <X11/Xfuncproto.h>
+#include <X11/Xmd.h>
+#include <X11/extensions/XI.h>
+#include <X11/extensions/XIproto.h>
+#include <X11/Xatom.h>
+#include "xf86.h"
+#include "xf86Priv.h"
+#include "xf86Config.h"
+#include "xf86Xinput.h"
+#include "xf86Optrec.h"
+#include "mipointer.h"
+#include "extinit.h"
+#include "loaderProcs.h"
+
+#include "exevents.h" /* AddInputDevice */
+#include "exglobals.h"
+#include "eventstr.h"
+#include "inpututils.h"
+
+#include <string.h> /* InputClassMatches */
+#ifdef HAVE_FNMATCH_H
+#include <fnmatch.h>
+#endif
+#ifdef HAVE_SYS_UTSNAME_H
+#include <sys/utsname.h>
+#endif
+
+#include <stdarg.h>
+#include <stdint.h> /* for int64_t */
+
+#include "mi.h"
+
+#include <ptrveloc.h> /* dix pointer acceleration */
+#include <xserver-properties.h>
+
+#ifdef XFreeXDGA
+#include "dgaproc.h"
+#endif
+
+#include "xkbsrv.h"
+
+/* Valuator verification macro */
+#define XI_VERIFY_VALUATORS(num_valuators) \
+ if (num_valuators > MAX_VALUATORS) { \
+ xf86Msg(X_ERROR, "%s: num_valuator %d is greater than" \
+ " MAX_VALUATORS\n", __FUNCTION__, num_valuators); \
+ return; \
+ }
+
+EventListPtr xf86Events = NULL;
+
+static int
+xf86InputDevicePostInit(DeviceIntPtr dev);
+
+/**
+ * Eval config and modify DeviceVelocityRec accordingly
+ */
+static void
+ProcessVelocityConfiguration(DeviceIntPtr pDev, char* devname, pointer list,
+ DeviceVelocityPtr s)
+{
+ int tempi;
+ float tempf;
+ Atom float_prop = XIGetKnownProperty(XATOM_FLOAT);
+ Atom prop;
+
+ if(!s)
+ return;
+
+ /* common settings (available via device properties) */
+ tempf = xf86SetRealOption(list, "ConstantDeceleration", 1.0);
+ if (tempf > 1.0) {
+ xf86Msg(X_CONFIG, "%s: (accel) constant deceleration by %.1f\n",
+ devname, tempf);
+ prop = XIGetKnownProperty(ACCEL_PROP_CONSTANT_DECELERATION);
+ XIChangeDeviceProperty(pDev, prop, float_prop, 32,
+ PropModeReplace, 1, &tempf, FALSE);
+ }
+
+ tempf = xf86SetRealOption(list, "AdaptiveDeceleration", 1.0);
+ if (tempf > 1.0) {
+ xf86Msg(X_CONFIG, "%s: (accel) adaptive deceleration by %.1f\n",
+ devname, tempf);
+ prop = XIGetKnownProperty(ACCEL_PROP_ADAPTIVE_DECELERATION);
+ XIChangeDeviceProperty(pDev, prop, float_prop, 32,
+ PropModeReplace, 1, &tempf, FALSE);
+ }
+
+ /* select profile by number */
+ tempi = xf86SetIntOption(list, "AccelerationProfile",
+ s->statistics.profile_number);
+
+ prop = XIGetKnownProperty(ACCEL_PROP_PROFILE_NUMBER);
+ if (XIChangeDeviceProperty(pDev, prop, XA_INTEGER, 32,
+ PropModeReplace, 1, &tempi, FALSE) == Success) {
+ xf86Msg(X_CONFIG, "%s: (accel) acceleration profile %i\n", devname,
+ tempi);
+ } else {
+ xf86Msg(X_CONFIG, "%s: (accel) acceleration profile %i is unknown\n",
+ devname, tempi);
+ }
+
+ /* set scaling */
+ tempf = xf86SetRealOption(list, "ExpectedRate", 0);
+ prop = XIGetKnownProperty(ACCEL_PROP_VELOCITY_SCALING);
+ if (tempf > 0) {
+ tempf = 1000.0 / tempf;
+ XIChangeDeviceProperty(pDev, prop, float_prop, 32,
+ PropModeReplace, 1, &tempf, FALSE);
+ } else {
+ tempf = xf86SetRealOption(list, "VelocityScale", s->corr_mul);
+ XIChangeDeviceProperty(pDev, prop, float_prop, 32,
+ PropModeReplace, 1, &tempf, FALSE);
+ }
+
+ tempi = xf86SetIntOption(list, "VelocityTrackerCount", -1);
+ if (tempi > 1)
+ InitTrackers(s, tempi);
+
+ s->initial_range = xf86SetIntOption(list, "VelocityInitialRange",
+ s->initial_range);
+
+ s->max_diff = xf86SetRealOption(list, "VelocityAbsDiff", s->max_diff);
+
+ tempf = xf86SetRealOption(list, "VelocityRelDiff", -1);
+ if (tempf >= 0) {
+ xf86Msg(X_CONFIG, "%s: (accel) max rel. velocity difference: %.1f%%\n",
+ devname, tempf*100.0);
+ s->max_rel_diff = tempf;
+ }
+
+ /* Configure softening. If const deceleration is used, this is expected
+ * to provide better subpixel information so we enable
+ * softening by default only if ConstantDeceleration is not used
+ */
+ s->use_softening = xf86SetBoolOption(list, "Softening",
+ s->const_acceleration == 1.0);
+
+ s->average_accel = xf86SetBoolOption(list, "AccelerationProfileAveraging",
+ s->average_accel);
+
+ s->reset_time = xf86SetIntOption(list, "VelocityReset", s->reset_time);
+}
+
+static void
+ApplyAccelerationSettings(DeviceIntPtr dev){
+ int scheme, i;
+ DeviceVelocityPtr pVel;
+ InputInfoPtr pInfo = (InputInfoPtr)dev->public.devicePrivate;
+ char* schemeStr;
+
+ if (dev->valuator && dev->ptrfeed) {
+ schemeStr = xf86SetStrOption(pInfo->options, "AccelerationScheme", "");
+
+ scheme = dev->valuator->accelScheme.number;
+
+ if (!xf86NameCmp(schemeStr, "predictable"))
+ scheme = PtrAccelPredictable;
+
+ if (!xf86NameCmp(schemeStr, "lightweight"))
+ scheme = PtrAccelLightweight;
+
+ if (!xf86NameCmp(schemeStr, "none"))
+ scheme = PtrAccelNoOp;
+
+ /* reinit scheme if needed */
+ if (dev->valuator->accelScheme.number != scheme) {
+ if (dev->valuator->accelScheme.AccelCleanupProc) {
+ dev->valuator->accelScheme.AccelCleanupProc(dev);
+ }
+
+ if (InitPointerAccelerationScheme(dev, scheme)) {
+ xf86Msg(X_CONFIG, "%s: (accel) selected scheme %s/%i\n",
+ pInfo->name, schemeStr, scheme);
+ } else {
+ xf86Msg(X_CONFIG, "%s: (accel) could not init scheme %s\n",
+ pInfo->name, schemeStr);
+ scheme = dev->valuator->accelScheme.number;
+ }
+ } else {
+ xf86Msg(X_CONFIG, "%s: (accel) keeping acceleration scheme %i\n",
+ pInfo->name, scheme);
+ }
+
+ free(schemeStr);
+
+ /* process special configuration */
+ switch (scheme) {
+ case PtrAccelPredictable:
+ pVel = GetDevicePredictableAccelData(dev);
+ ProcessVelocityConfiguration (dev, pInfo->name, pInfo->options,
+ pVel);
+ break;
+ }
+
+ i = xf86SetIntOption(pInfo->options, "AccelerationNumerator",
+ dev->ptrfeed->ctrl.num);
+ if (i >= 0)
+ dev->ptrfeed->ctrl.num = i;
+
+ i = xf86SetIntOption(pInfo->options, "AccelerationDenominator",
+ dev->ptrfeed->ctrl.den);
+ if (i > 0)
+ dev->ptrfeed->ctrl.den = i;
+
+ i = xf86SetIntOption(pInfo->options, "AccelerationThreshold",
+ dev->ptrfeed->ctrl.threshold);
+ if (i >= 0)
+ dev->ptrfeed->ctrl.threshold = i;
+
+ xf86Msg(X_CONFIG, "%s: (accel) acceleration factor: %.3f\n",
+ pInfo->name, ((float)dev->ptrfeed->ctrl.num)/
+ ((float)dev->ptrfeed->ctrl.den));
+ xf86Msg(X_CONFIG, "%s: (accel) acceleration threshold: %i\n",
+ pInfo->name, dev->ptrfeed->ctrl.threshold);
+ }
+}
+
+/***********************************************************************
+ *
+ * xf86ProcessCommonOptions --
+ *
+ * Process global options.
+ *
+ ***********************************************************************
+ */
+void
+xf86ProcessCommonOptions(InputInfoPtr pInfo,
+ pointer list)
+{
+ if (xf86SetBoolOption(list, "Floating", 0) ||
+ !xf86SetBoolOption(list, "AlwaysCore", 1) ||
+ !xf86SetBoolOption(list, "SendCoreEvents", 1) ||
+ !xf86SetBoolOption(list, "CorePointer", 1) ||
+ !xf86SetBoolOption(list, "CoreKeyboard", 1)) {
+ xf86Msg(X_CONFIG, "%s: doesn't report core events\n", pInfo->name);
+ } else {
+ pInfo->flags |= XI86_ALWAYS_CORE;
+ xf86Msg(X_CONFIG, "%s: always reports core events\n", pInfo->name);
+ }
+}
+
+/***********************************************************************
+ *
+ * xf86ActivateDevice --
+ *
+ * Initialize an input device.
+ *
+ * Returns TRUE on success, or FALSE otherwise.
+ ***********************************************************************
+ */
+static DeviceIntPtr
+xf86ActivateDevice(InputInfoPtr pInfo)
+{
+ DeviceIntPtr dev;
+ Atom atom;
+
+ dev = AddInputDevice(serverClient, pInfo->device_control, TRUE);
+
+ if (dev == NULL)
+ {
+ xf86Msg(X_ERROR, "Too many input devices. Ignoring %s\n",
+ pInfo->name);
+ pInfo->dev = NULL;
+ return NULL;
+ }
+
+ atom = MakeAtom(pInfo->type_name, strlen(pInfo->type_name), TRUE);
+ AssignTypeAndName(dev, atom, pInfo->name);
+ dev->public.devicePrivate = pInfo;
+ pInfo->dev = dev;
+
+ dev->coreEvents = pInfo->flags & XI86_ALWAYS_CORE;
+ dev->type = SLAVE;
+ dev->spriteInfo->spriteOwner = FALSE;
+
+ dev->config_info = xf86SetStrOption(pInfo->options, "config_info", NULL);
+
+ if (serverGeneration == 1)
+ xf86Msg(X_INFO, "XINPUT: Adding extended input device \"%s\" (type: %s)\n",
+ pInfo->name, pInfo->type_name);
+
+ return dev;
+}
+
+/****************************************************************************
+ *
+ * Caller: ProcXSetDeviceMode
+ *
+ * Change the mode of an extension device.
+ * This function is used to change the mode of a device from reporting
+ * relative motion to reporting absolute positional information, and
+ * vice versa.
+ * The default implementation below is that no such devices are supported.
+ *
+ ***********************************************************************
+ */
+
+int
+SetDeviceMode (ClientPtr client, DeviceIntPtr dev, int mode)
+{
+ InputInfoPtr pInfo = (InputInfoPtr)dev->public.devicePrivate;
+
+ if (pInfo->switch_mode) {
+ return (*pInfo->switch_mode)(client, dev, mode);
+ }
+ else
+ return BadMatch;
+}
+
+
+/***********************************************************************
+ *
+ * Caller: ProcXSetDeviceValuators
+ *
+ * Set the value of valuators on an extension input device.
+ * This function is used to set the initial value of valuators on
+ * those input devices that are capable of reporting either relative
+ * motion or an absolute position, and allow an initial position to be set.
+ * The default implementation below is that no such devices are supported.
+ *
+ ***********************************************************************
+ */
+
+int
+SetDeviceValuators (ClientPtr client, DeviceIntPtr dev, int *valuators,
+ int first_valuator, int num_valuators)
+{
+ InputInfoPtr pInfo = (InputInfoPtr) dev->public.devicePrivate;
+
+ if (pInfo->set_device_valuators)
+ return (*pInfo->set_device_valuators)(pInfo, valuators, first_valuator,
+ num_valuators);
+
+ return BadMatch;
+}
+
+
+/***********************************************************************
+ *
+ * Caller: ProcXChangeDeviceControl
+ *
+ * Change the specified device controls on an extension input device.
+ *
+ ***********************************************************************
+ */
+
+int
+ChangeDeviceControl (ClientPtr client, DeviceIntPtr dev, xDeviceCtl *control)
+{
+ InputInfoPtr pInfo = (InputInfoPtr)dev->public.devicePrivate;
+
+ if (!pInfo->control_proc) {
+ switch (control->control) {
+ case DEVICE_CORE:
+ case DEVICE_ABS_CALIB:
+ case DEVICE_ABS_AREA:
+ return BadMatch;
+ case DEVICE_RESOLUTION:
+ case DEVICE_ENABLE:
+ return Success;
+ default:
+ return BadMatch;
+ }
+ }
+ else {
+ return (*pInfo->control_proc)(pInfo, control);
+ }
+}
+
+/*
+ * Get the operating system name from uname and store it statically to avoid
+ * repeating the system call each time MatchOS is checked.
+ */
+static const char *
+HostOS(void)
+{
+#ifdef HAVE_SYS_UTSNAME_H
+ struct utsname name;
+ static char host_os[sizeof(name.sysname)] = "";
+
+ if (*host_os == '\0') {
+ if (uname(&name) >= 0)
+ strcpy(host_os, name.sysname);
+ else {
+ strncpy(host_os, "unknown", sizeof(host_os));
+ host_os[sizeof(host_os)-1] = '\0';
+ }
+ }
+ return host_os;
+#else
+ return "";
+#endif
+}
+
+static int
+match_substring(const char *attr, const char *pattern)
+{
+ return (strstr(attr, pattern)) ? 0 : -1;
+}
+
+#ifdef HAVE_FNMATCH_H
+static int
+match_pattern(const char *attr, const char *pattern)
+{
+ return fnmatch(pattern, attr, 0);
+}
+#else
+#define match_pattern match_substring
+#endif
+
+#ifdef HAVE_FNMATCH_H
+static int
+match_path_pattern(const char *attr, const char *pattern)
+{
+ return fnmatch(pattern, attr, FNM_PATHNAME);
+}
+#else
+#define match_path_pattern match_substring
+#endif
+
+/*
+ * Match an attribute against a list of NULL terminated arrays of patterns.
+ * If a pattern in each list entry is matched, return TRUE.
+ */
+static Bool
+MatchAttrToken(const char *attr, struct list *patterns,
+ int (*compare)(const char *attr, const char *pattern))
+{
+ const xf86MatchGroup *group;
+
+ /* If there are no patterns, accept the match */
+ if (list_is_empty(patterns))
+ return TRUE;
+
+ /* If there are patterns but no attribute, reject the match */
+ if (!attr)
+ return FALSE;
+
+ /*
+ * Otherwise, iterate the list of patterns ensuring each entry has a
+ * match. Each list entry is a separate Match line of the same type.
+ */
+ list_for_each_entry(group, patterns, entry) {
+ char * const *cur;
+ Bool match = FALSE;
+
+ for (cur = group->values; *cur; cur++)
+ if ((*compare)(attr, *cur) == 0) {
+ match = TRUE;
+ break;
+ }
+ if (!match)
+ return FALSE;
+ }
+
+ /* All the entries in the list matched the attribute */
+ return TRUE;
+}
+
+/*
+ * Classes without any Match statements match all devices. Otherwise, all
+ * statements must match.
+ */
+static Bool
+InputClassMatches(const XF86ConfInputClassPtr iclass, const InputInfoPtr idev,
+ const InputAttributes *attrs)
+{
+ /* MatchProduct substring */
+ if (!MatchAttrToken(attrs->product, &iclass->match_product, match_substring))
+ return FALSE;
+
+ /* MatchVendor substring */
+ if (!MatchAttrToken(attrs->vendor, &iclass->match_vendor, match_substring))
+ return FALSE;
+
+ /* MatchDevicePath pattern */
+ if (!MatchAttrToken(attrs->device, &iclass->match_device, match_path_pattern))
+ return FALSE;
+
+ /* MatchOS case-insensitive string */
+ if (!MatchAttrToken(HostOS(), &iclass->match_os, strcasecmp))
+ return FALSE;
+
+ /* MatchPnPID pattern */
+ if (!MatchAttrToken(attrs->pnp_id, &iclass->match_pnpid, match_pattern))
+ return FALSE;
+
+ /* MatchUSBID pattern */
+ if (!MatchAttrToken(attrs->usb_id, &iclass->match_usbid, match_pattern))
+ return FALSE;
+
+ /* MatchDriver string */
+ if (!MatchAttrToken(idev->driver, &iclass->match_driver, strcmp))
+ return FALSE;
+
+ /*
+ * MatchTag string
+ * See if any of the device's tags match any of the MatchTag tokens.
+ */
+ if (!list_is_empty(&iclass->match_tag)) {
+ char * const *tag;
+ Bool match;
+
+ if (!attrs->tags)
+ return FALSE;
+ for (tag = attrs->tags, match = FALSE; *tag; tag++) {
+ if (MatchAttrToken(*tag, &iclass->match_tag, strcmp)) {
+ match = TRUE;
+ break;
+ }
+ }
+ if (!match)
+ return FALSE;
+ }
+
+ /* MatchIs* booleans */
+ if (iclass->is_keyboard.set &&
+ iclass->is_keyboard.val != !!(attrs->flags & ATTR_KEYBOARD))
+ return FALSE;
+ if (iclass->is_pointer.set &&
+ iclass->is_pointer.val != !!(attrs->flags & ATTR_POINTER))
+ return FALSE;
+ if (iclass->is_joystick.set &&
+ iclass->is_joystick.val != !!(attrs->flags & ATTR_JOYSTICK))
+ return FALSE;
+ if (iclass->is_tablet.set &&
+ iclass->is_tablet.val != !!(attrs->flags & ATTR_TABLET))
+ return FALSE;
+ if (iclass->is_touchpad.set &&
+ iclass->is_touchpad.val != !!(attrs->flags & ATTR_TOUCHPAD))
+ return FALSE;
+ if (iclass->is_touchscreen.set &&
+ iclass->is_touchscreen.val != !!(attrs->flags & ATTR_TOUCHSCREEN))
+ return FALSE;
+
+ return TRUE;
+}
+
+/*
+ * Merge in any InputClass configurations. Options in each InputClass
+ * section have more priority than the original device configuration as
+ * well as any previous InputClass sections.
+ */
+static int
+MergeInputClasses(const InputInfoPtr idev, const InputAttributes *attrs)
+{
+ XF86ConfInputClassPtr cl;
+ XF86OptionPtr classopts;
+
+ for (cl = xf86configptr->conf_inputclass_lst; cl; cl = cl->list.next) {
+ if (!InputClassMatches(cl, idev, attrs))
+ continue;
+
+ /* Collect class options and driver settings */
+ classopts = xf86optionListDup(cl->option_lst);
+ if (cl->driver) {
+ free(idev->driver);
+ idev->driver = xstrdup(cl->driver);
+ if (!idev->driver) {
+ xf86Msg(X_ERROR, "Failed to allocate memory while merging "
+ "InputClass configuration");
+ return BadAlloc;
+ }
+ classopts = xf86ReplaceStrOption(classopts, "driver",
+ idev->driver);
+ }
+
+ /* Apply options to device with InputClass settings preferred. */
+ xf86Msg(X_CONFIG, "%s: Applying InputClass \"%s\"\n",
+ idev->name, cl->identifier);
+ idev->options = xf86optionListMerge(idev->options, classopts);
+ }
+
+ return Success;
+}
+
+/*
+ * Iterate the list of classes and look for Option "Ignore". Return the
+ * value of the last matching class and holler when returning TRUE.
+ */
+static Bool
+IgnoreInputClass(const InputInfoPtr idev, const InputAttributes *attrs)
+{
+ XF86ConfInputClassPtr cl;
+ Bool ignore = FALSE;
+ const char *ignore_class;
+
+ for (cl = xf86configptr->conf_inputclass_lst; cl; cl = cl->list.next) {
+ if (!InputClassMatches(cl, idev, attrs))
+ continue;
+ if (xf86findOption(cl->option_lst, "Ignore")) {
+ ignore = xf86CheckBoolOption(cl->option_lst, "Ignore", FALSE);
+ ignore_class = cl->identifier;
+ }
+ }
+
+ if (ignore)
+ xf86Msg(X_CONFIG, "%s: Ignoring device from InputClass \"%s\"\n",
+ idev->name, ignore_class);
+ return ignore;
+}
+
+InputInfoPtr
+xf86AllocateInput(void)
+{
+ InputInfoPtr pInfo;
+
+ pInfo = calloc(sizeof(*pInfo), 1);
+ if (!pInfo)
+ return NULL;
+
+ pInfo->fd = -1;
+ pInfo->type_name = "UNKNOWN";
+
+ return pInfo;
+}
+
+/* Append InputInfoRec to the tail of xf86InputDevs. */
+static void
+xf86AddInput(InputDriverPtr drv, InputInfoPtr pInfo)
+{
+ InputInfoPtr *prev = NULL;
+
+ pInfo->drv = drv;
+ pInfo->module = DuplicateModule(drv->module, NULL);
+
+ for (prev = &xf86InputDevs; *prev; prev = &(*prev)->next)
+ ;
+
+ *prev = pInfo;
+ pInfo->next = NULL;
+
+ xf86CollectInputOptions(pInfo, (const char**)drv->default_options);
+ xf86OptionListReport(pInfo->options);
+ xf86ProcessCommonOptions(pInfo, pInfo->options);
+}
+
+/*
+ * Remove an entry from xf86InputDevs and free all the device's information.
+ */
+void
+xf86DeleteInput(InputInfoPtr pInp, int flags)
+{
+ /* First check if the inputdev is valid. */
+ if (pInp == NULL)
+ return;
+
+ if (pInp->module)
+ UnloadModule(pInp->module);
+
+ /* This should *really* be handled in drv->UnInit(dev) call instead, but
+ * if the driver forgets about it make sure we free it or at least crash
+ * with flying colors */
+ free(pInp->private);
+
+ FreeInputAttributes(pInp->attrs);
+
+ /* Remove the entry from the list. */
+ if (pInp == xf86InputDevs)
+ xf86InputDevs = pInp->next;
+ else {
+ InputInfoPtr p = xf86InputDevs;
+ while (p && p->next != pInp)
+ p = p->next;
+ if (p)
+ p->next = pInp->next;
+ /* Else the entry wasn't in the xf86InputDevs list (ignore this). */
+ }
+
+ free(pInp->driver);
+ free(pInp->name);
+ xf86optionListFree(pInp->options);
+ free(pInp);
+}
+
+/*
+ * Apply backend-specific initialization. Invoked after ActiveteDevice(),
+ * i.e. after the driver successfully completed DEVICE_INIT and the device
+ * is advertised.
+ * @param dev the device
+ * @return Success or an error code
+ */
+static int
+xf86InputDevicePostInit(DeviceIntPtr dev) {
+ ApplyAccelerationSettings(dev);
+ return Success;
+}
+
+/**
+ * Create a new input device, activate and enable it.
+ *
+ * Possible return codes:
+ * BadName .. a bad driver name was supplied.
+ * BadImplementation ... The driver does not have a PreInit function. This
+ * is a driver bug.
+ * BadMatch .. device initialization failed.
+ * BadAlloc .. too many input devices
+ *
+ * @param idev The device, already set up with identifier, driver, and the
+ * options.
+ * @param pdev Pointer to the new device, if Success was reported.
+ * @param enable Enable the device after activating it.
+ *
+ * @return Success or an error code
+ */
+_X_INTERNAL int
+xf86NewInputDevice(InputInfoPtr pInfo, DeviceIntPtr *pdev, BOOL enable)
+{
+ InputDriverPtr drv = NULL;
+ DeviceIntPtr dev = NULL;
+ int rval;
+
+ /* Memory leak for every attached device if we don't
+ * test if the module is already loaded first */
+ drv = xf86LookupInputDriver(pInfo->driver);
+ if (!drv)
+ if (xf86LoadOneModule(pInfo->driver, NULL))
+ drv = xf86LookupInputDriver(pInfo->driver);
+ if (!drv) {
+ xf86Msg(X_ERROR, "No input driver matching `%s'\n", pInfo->driver);
+ rval = BadName;
+ goto unwind;
+ }
+
+ xf86Msg(X_INFO, "Using input driver '%s' for '%s'\n", drv->driverName, pInfo->name);
+
+ if (!drv->PreInit) {
+ xf86Msg(X_ERROR,
+ "Input driver `%s' has no PreInit function (ignoring)\n",
+ drv->driverName);
+ rval = BadImplementation;
+ goto unwind;
+ }
+
+ xf86AddInput(drv, pInfo);
+
+ rval = drv->PreInit(drv, pInfo, 0);
+
+ if (rval != Success) {
+ xf86Msg(X_ERROR, "PreInit returned %d for \"%s\"\n", rval, pInfo->name);
+ goto unwind;
+ }
+
+ if (!(dev = xf86ActivateDevice(pInfo)))
+ {
+ rval = BadAlloc;
+ goto unwind;
+ }
+
+ rval = ActivateDevice(dev, TRUE);
+ if (rval != Success)
+ {
+ xf86Msg(X_ERROR, "Couldn't init device \"%s\"\n", pInfo->name);
+ RemoveDevice(dev, TRUE);
+ goto unwind;
+ }
+
+ rval = xf86InputDevicePostInit(dev);
+ if (rval != Success)
+ {
+ xf86Msg(X_ERROR, "Couldn't post-init device \"%s\"\n", pInfo->name);
+ RemoveDevice(dev, TRUE);
+ goto unwind;
+ }
+
+ /* Enable it if it's properly initialised and we're currently in the VT */
+ if (enable && dev->inited && dev->startup && xf86Screens[0]->vtSema)
+ {
+ OsBlockSignals();
+ EnableDevice(dev, TRUE);
+ if (!dev->enabled)
+ {
+ OsReleaseSignals();
+ xf86Msg(X_ERROR, "Couldn't init device \"%s\"\n", pInfo->name);
+ rval = BadMatch;
+ goto unwind;
+ }
+ /* send enter/leave event, update sprite window */
+ CheckMotion(NULL, dev);
+ OsReleaseSignals();
+ }
+
+ *pdev = dev;
+ return Success;
+
+unwind:
+ if(pInfo) {
+ if(drv && drv->UnInit)
+ drv->UnInit(drv, pInfo, 0);
+ else
+ xf86DeleteInput(pInfo, 0);
+ }
+ return rval;
+}
+
+int
+NewInputDeviceRequest (InputOption *options, InputAttributes *attrs,
+ DeviceIntPtr *pdev)
+{
+ InputInfoPtr pInfo = NULL;
+ InputOption *option = NULL;
+ int rval = Success;
+ int is_auto = 0;
+
+ pInfo = xf86AllocateInput();
+ if (!pInfo)
+ return BadAlloc;
+
+ for (option = options; option; option = option->next) {
+ if (strcasecmp(option->key, "driver") == 0) {
+ if (pInfo->driver) {
+ rval = BadRequest;
+ goto unwind;
+ }
+ pInfo->driver = xstrdup(option->value);
+ if (!pInfo->driver) {
+ rval = BadAlloc;
+ goto unwind;
+ }
+ }
+
+ if (strcasecmp(option->key, "name") == 0 ||
+ strcasecmp(option->key, "identifier") == 0) {
+ if (pInfo->name) {
+ rval = BadRequest;
+ goto unwind;
+ }
+ pInfo->name = xstrdup(option->value);
+ if (!pInfo->name) {
+ rval = BadAlloc;
+ goto unwind;
+ }
+ }
+
+ if (strcmp(option->key, "_source") == 0 &&
+ (strcmp(option->value, "server/hal") == 0 ||
+ strcmp(option->value, "server/udev") == 0)) {
+ is_auto = 1;
+ if (!xf86Info.autoAddDevices) {
+ rval = BadMatch;
+ goto unwind;
+ }
+ }
+ }
+
+ for (option = options; option; option = option->next) {
+ /* Steal option key/value strings from the provided list.
+ * We need those strings, the InputOption list doesn't. */
+ pInfo->options = xf86addNewOption(pInfo->options,
+ option->key, option->value);
+ option->key = NULL;
+ option->value = NULL;
+ }
+
+ /* Apply InputClass settings */
+ if (attrs) {
+ if (IgnoreInputClass(pInfo, attrs)) {
+ rval = BadIDChoice;
+ goto unwind;
+ }
+
+ rval = MergeInputClasses(pInfo, attrs);
+ if (rval != Success)
+ goto unwind;
+
+ pInfo->attrs = DuplicateInputAttributes(attrs);
+ }
+
+ if (!pInfo->driver || !pInfo->name) {
+ xf86Msg(X_INFO, "No input driver/identifier specified (ignoring)\n");
+ rval = BadRequest;
+ goto unwind;
+ }
+
+ if (!pInfo->name) {
+ xf86Msg(X_ERROR, "No device identifier specified (ignoring)\n");
+ rval = BadMatch;
+ goto unwind;
+ }
+
+ rval = xf86NewInputDevice(pInfo, pdev,
+ (!is_auto || (is_auto && xf86Info.autoEnableDevices)));
+
+ return rval;
+
+unwind:
+ if (is_auto && !xf86Info.autoAddDevices)
+ xf86Msg(X_INFO, "AutoAddDevices is off - not adding device.\n");
+ xf86DeleteInput(pInfo, 0);
+ return rval;
+}
+
+void
+DeleteInputDeviceRequest(DeviceIntPtr pDev)
+{
+ InputInfoPtr pInfo = (InputInfoPtr) pDev->public.devicePrivate;
+ InputDriverPtr drv = NULL;
+ Bool isMaster = IsMaster(pDev);
+
+ if (pInfo) /* need to get these before RemoveDevice */
+ drv = pInfo->drv;
+
+ OsBlockSignals();
+ RemoveDevice(pDev, TRUE);
+
+ if (!isMaster && pInfo != NULL)
+ {
+ if(drv->UnInit)
+ drv->UnInit(drv, pInfo, 0);
+ else
+ xf86DeleteInput(pInfo, 0);
+ }
+ OsReleaseSignals();
+}
+
+/*
+ * convenient functions to post events
+ */
+
+void
+xf86PostMotionEvent(DeviceIntPtr device,
+ int is_absolute,
+ int first_valuator,
+ int num_valuators,
+ ...)
+{
+ va_list var;
+ int i = 0;
+ ValuatorMask mask;
+
+ XI_VERIFY_VALUATORS(num_valuators);
+
+ valuator_mask_zero(&mask);
+ va_start(var, num_valuators);
+ for (i = 0; i < num_valuators; i++)
+ valuator_mask_set(&mask, first_valuator + i, va_arg(var, int));
+ va_end(var);
+
+ xf86PostMotionEventM(device, is_absolute, &mask);
+}
+
+void
+xf86PostMotionEventP(DeviceIntPtr device,
+ int is_absolute,
+ int first_valuator,
+ int num_valuators,
+ const int *valuators)
+{
+ ValuatorMask mask;
+
+ XI_VERIFY_VALUATORS(num_valuators);
+
+ valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators);
+ xf86PostMotionEventM(device, is_absolute, &mask);
+}
+
+void
+xf86PostMotionEventM(DeviceIntPtr device,
+ int is_absolute,
+ const ValuatorMask *mask)
+{
+ int i = 0, nevents = 0;
+ DeviceEvent *event;
+ int flags = 0;
+
+ if (valuator_mask_num_valuators(mask) > 0)
+ {
+ if (is_absolute)
+ flags = POINTER_ABSOLUTE;
+ else
+ flags = POINTER_RELATIVE | POINTER_ACCELERATE;
+ }
+
+#if XFreeXDGA
+ /* The evdev driver may not always send all axes across. */
+ if (valuator_mask_isset(mask, 0) ||
+ valuator_mask_isset(mask, 1))
+ if (miPointerGetScreen(device)) {
+ int index = miPointerGetScreen(device)->myNum;
+ int dx = 0, dy = 0;
+
+ if (valuator_mask_isset(mask, 0))
+ {
+ dx = valuator_mask_get(mask, 0);
+ if (is_absolute)
+ dx -= device->last.valuators[0];
+ }
+
+ if (valuator_mask_isset(mask, 1))
+ {
+ dy = valuator_mask_get(mask, 1);
+ if (is_absolute)
+ dy -= device->last.valuators[1];
+ }
+
+ if (DGAStealMotionEvent(device, index, dx, dy))
+ return;
+ }
+#endif
+
+ nevents = GetPointerEvents(xf86Events, device, MotionNotify, 0, flags, mask);
+
+ for (i = 0; i < nevents; i++) {
+ event = (DeviceEvent*)((xf86Events + i)->event);
+ mieqEnqueue(device, (InternalEvent*)((xf86Events + i)->event));
+ }
+}
+
+void
+xf86PostProximityEvent(DeviceIntPtr device,
+ int is_in,
+ int first_valuator,
+ int num_valuators,
+ ...)
+{
+ va_list var;
+ int i;
+ ValuatorMask mask;
+
+ XI_VERIFY_VALUATORS(num_valuators);
+
+ valuator_mask_zero(&mask);
+ va_start(var, num_valuators);
+ for (i = 0; i < num_valuators; i++)
+ valuator_mask_set(&mask, first_valuator + i, va_arg(var, int));
+ va_end(var);
+
+ xf86PostProximityEventM(device, is_in, &mask);
+}
+
+void
+xf86PostProximityEventP(DeviceIntPtr device,
+ int is_in,
+ int first_valuator,
+ int num_valuators,
+ const int *valuators)
+{
+ ValuatorMask mask;
+
+ XI_VERIFY_VALUATORS(num_valuators);
+
+ valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators);
+ xf86PostProximityEventM(device, is_in, &mask);
+}
+
+void
+xf86PostProximityEventM(DeviceIntPtr device,
+ int is_in,
+ const ValuatorMask *mask)
+{
+ int i, nevents;
+
+ nevents = GetProximityEvents(xf86Events, device,
+ is_in ? ProximityIn : ProximityOut, mask);
+ for (i = 0; i < nevents; i++)
+ mieqEnqueue(device, (InternalEvent*)((xf86Events + i)->event));
+
+}
+
+void
+xf86PostButtonEvent(DeviceIntPtr device,
+ int is_absolute,
+ int button,
+ int is_down,
+ int first_valuator,
+ int num_valuators,
+ ...)
+{
+ va_list var;
+ ValuatorMask mask;
+ int i = 0;
+
+ XI_VERIFY_VALUATORS(num_valuators);
+
+ valuator_mask_zero(&mask);
+
+ va_start(var, num_valuators);
+ for (i = 0; i < num_valuators; i++)
+ valuator_mask_set(&mask, first_valuator + i, va_arg(var, int));
+ va_end(var);
+
+ xf86PostButtonEventM(device, is_absolute, button, is_down, &mask);
+}
+
+void
+xf86PostButtonEventP(DeviceIntPtr device,
+ int is_absolute,
+ int button,
+ int is_down,
+ int first_valuator,
+ int num_valuators,
+ const int *valuators)
+{
+ ValuatorMask mask;
+
+ XI_VERIFY_VALUATORS(num_valuators);
+
+ valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators);
+ xf86PostButtonEventM(device, is_absolute, button, is_down, &mask);
+}
+
+void
+xf86PostButtonEventM(DeviceIntPtr device,
+ int is_absolute,
+ int button,
+ int is_down,
+ const ValuatorMask *mask)
+{
+ int i = 0, nevents = 0;
+ int flags = 0;
+
+ if (valuator_mask_num_valuators(mask) > 0)
+ {
+ if (is_absolute)
+ flags = POINTER_ABSOLUTE;
+ else
+ flags = POINTER_RELATIVE | POINTER_ACCELERATE;
+ }
+
+#if XFreeXDGA
+ if (miPointerGetScreen(device)) {
+ int index = miPointerGetScreen(device)->myNum;
+
+ if (DGAStealButtonEvent(device, index, button, is_down))
+ return;
+ }
+#endif
+
+ nevents = GetPointerEvents(xf86Events, device,
+ is_down ? ButtonPress : ButtonRelease, button,
+ flags, mask);
+
+ for (i = 0; i < nevents; i++)
+ mieqEnqueue(device, (InternalEvent*)((xf86Events + i)->event));
+
+}
+
+void
+xf86PostKeyEvent(DeviceIntPtr device,
+ unsigned int key_code,
+ int is_down,
+ int is_absolute,
+ int first_valuator,
+ int num_valuators,
+ ...)
+{
+ va_list var;
+ int i = 0;
+ ValuatorMask mask;
+
+ XI_VERIFY_VALUATORS(num_valuators);
+
+ valuator_mask_zero(&mask);
+
+ va_start(var, num_valuators);
+ for (i = 0; i < num_valuators; i++)
+ valuator_mask_set(&mask, first_valuator + i, va_arg(var, int));
+ va_end(var);
+
+ xf86PostKeyEventM(device, key_code, is_down, is_absolute, &mask);
+}
+
+void
+xf86PostKeyEventP(DeviceIntPtr device,
+ unsigned int key_code,
+ int is_down,
+ int is_absolute,
+ int first_valuator,
+ int num_valuators,
+ const int *valuators)
+{
+ ValuatorMask mask;
+
+ XI_VERIFY_VALUATORS(num_valuators);
+
+ valuator_mask_set_range(&mask, first_valuator, num_valuators, valuators);
+ xf86PostKeyEventM(device, key_code, is_down, is_absolute, &mask);
+}
+
+void
+xf86PostKeyEventM(DeviceIntPtr device,
+ unsigned int key_code,
+ int is_down,
+ int is_absolute,
+ const ValuatorMask *mask)
+{
+ int i = 0, nevents = 0;
+
+#if XFreeXDGA
+ DeviceIntPtr pointer;
+
+ /* Some pointers send key events, paired device is wrong then. */
+ pointer = IsPointerDevice(device) ? device : GetPairedDevice(device);
+ if (miPointerGetScreen(pointer)) {
+ int index = miPointerGetScreen(pointer)->myNum;
+
+ if (DGAStealKeyEvent(device, index, key_code, is_down))
+ return;
+ }
+#endif
+
+ if (is_absolute) {
+ nevents = GetKeyboardValuatorEvents(xf86Events, device,
+ is_down ? KeyPress : KeyRelease,
+ key_code, mask);
+ }
+ else {
+ nevents = GetKeyboardEvents(xf86Events, device,
+ is_down ? KeyPress : KeyRelease,
+ key_code);
+ }
+
+ for (i = 0; i < nevents; i++)
+ mieqEnqueue(device, (InternalEvent*)((xf86Events + i)->event));
+}
+
+void
+xf86PostKeyboardEvent(DeviceIntPtr device,
+ unsigned int key_code,
+ int is_down)
+{
+ ValuatorMask mask;
+
+ valuator_mask_zero(&mask);
+ xf86PostKeyEventM(device, key_code, is_down, 0, &mask);
+}
+
+InputInfoPtr
+xf86FirstLocalDevice(void)
+{
+ return xf86InputDevs;
+}
+
+/*
+ * Cx - raw data from touch screen
+ * to_max - scaled highest dimension
+ * (remember, this is of rows - 1 because of 0 origin)
+ * to_min - scaled lowest dimension
+ * from_max - highest raw value from touch screen calibration
+ * from_min - lowest raw value from touch screen calibration
+ *
+ * This function is the same for X or Y coordinates.
+ * You may have to reverse the high and low values to compensate for
+ * different orgins on the touch screen vs X.
+ *
+ * e.g. to scale from device coordinates into screen coordinates, call
+ * xf86ScaleAxis(x, 0, screen_width, dev_min, dev_max);
+ */
+
+int
+xf86ScaleAxis(int Cx,
+ int to_max,
+ int to_min,
+ int from_max,
+ int from_min )
+{
+ int X;
+ int64_t to_width = to_max - to_min;
+ int64_t from_width = from_max - from_min;
+
+ if (from_width) {
+ X = (int)(((to_width * (Cx - from_min)) / from_width) + to_min);
+ }
+ else {
+ X = 0;
+ ErrorF ("Divide by Zero in xf86ScaleAxis\n");
+ }
+
+ if (X > to_max)
+ X = to_max;
+ if (X < to_min)
+ X = to_min;
+
+ return X;
+}
+
+/*
+ * This function checks the given screen against the current screen and
+ * makes changes if appropriate. It should be called from an XInput driver's
+ * ReadInput function before any events are posted, if the device is screen
+ * specific like a touch screen.
+ */
+void
+xf86XInputSetScreen(InputInfoPtr pInfo,
+ int screen_number,
+ int x,
+ int y)
+{
+ if (miPointerGetScreen(pInfo->dev) !=
+ screenInfo.screens[screen_number]) {
+ miPointerSetScreen(pInfo->dev, screen_number, x, y);
+ }
+}
+
+
+void
+xf86InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, Atom label, int minval, int maxval,
+ int resolution, int min_res, int max_res, int mode)
+{
+ if (!dev || !dev->valuator)
+ return;
+
+ InitValuatorAxisStruct(dev, axnum, label, minval, maxval, resolution, min_res,
+ max_res, mode);
+}
+
+/*
+ * Set the valuator values to be in synch with dix/event.c
+ * DefineInitialRootWindow().
+ */
+void
+xf86InitValuatorDefaults(DeviceIntPtr dev, int axnum)
+{
+ if (axnum == 0) {
+ dev->valuator->axisVal[0] = screenInfo.screens[0]->width / 2;
+ dev->last.valuators[0] = dev->valuator->axisVal[0];
+ }
+ else if (axnum == 1) {
+ dev->valuator->axisVal[1] = screenInfo.screens[0]->height / 2;
+ dev->last.valuators[1] = dev->valuator->axisVal[1];
+ }
+}
+
+
+/**
+ * Deactivate a device. Call this function from the driver if you receive a
+ * read error or something else that spoils your day.
+ * Device will be moved to the off_devices list, but it will still be there
+ * until you really clean up after it.
+ * Notifies the client about an inactive device.
+ *
+ * @param panic True if device is unrecoverable and needs to be removed.
+ */
+void
+xf86DisableDevice(DeviceIntPtr dev, Bool panic)
+{
+ if(!panic)
+ {
+ DisableDevice(dev, TRUE);
+ } else
+ {
+ SendDevicePresenceEvent(dev->id, DeviceUnrecoverable);
+ DeleteInputDeviceRequest(dev);
+ }
+}
+
+/**
+ * Reactivate a device. Call this function from the driver if you just found
+ * out that the read error wasn't quite that bad after all.
+ * Device will be re-activated, and an event sent to the client.
+ */
+void
+xf86EnableDevice(DeviceIntPtr dev)
+{
+ EnableDevice(dev, TRUE);
+}
+
+/* end of xf86Xinput.c */
diff --git a/xorg-server/hw/xfree86/dri/dri.c b/xorg-server/hw/xfree86/dri/dri.c
index 38241f904..bb5482a0b 100644
--- a/xorg-server/hw/xfree86/dri/dri.c
+++ b/xorg-server/hw/xfree86/dri/dri.c
@@ -1,2502 +1,2498 @@
-/**************************************************************************
-
-Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
-Copyright 2000 VA Linux Systems, Inc.
-All Rights Reserved.
-
-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, sub license, 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 NON-INFRINGEMENT.
-IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS 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:
- * Jens Owen <jens@tungstengraphics.com>
- * Rickard E. (Rik) Faith <faith@valinux.com>
- *
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include "xf86.h"
-#include <sys/time.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdio.h>
-#include <sys/ioctl.h>
-#include <errno.h>
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "xf86drm.h"
-#include "misc.h"
-#include "dixstruct.h"
-#include "extnsionst.h"
-#include "colormapst.h"
-#include "cursorstr.h"
-#include "scrnintstr.h"
-#include "windowstr.h"
-#include "servermd.h"
-#define _XF86DRI_SERVER_
-#include <X11/dri/xf86driproto.h>
-#include "swaprep.h"
-#include "xf86str.h"
-#include "dri.h"
-#include "sarea.h"
-#include "dristruct.h"
-#include "xf86.h"
-#include "xf86drm.h"
-#include "mi.h"
-#include "mipointer.h"
-#include "xf86_OSproc.h"
-#include "inputstr.h"
-#include "xf86VGAarbiter.h"
-
-static int DRIEntPrivIndex = -1;
-static DevPrivateKeyRec DRIScreenPrivKeyRec;
-#define DRIScreenPrivKey (&DRIScreenPrivKeyRec)
-static DevPrivateKeyRec DRIWindowPrivKeyRec;
-#define DRIWindowPrivKey (&DRIWindowPrivKeyRec)
-static unsigned long DRIGeneration = 0;
-static unsigned int DRIDrawableValidationStamp = 0;
-
-static RESTYPE DRIDrawablePrivResType;
-static RESTYPE DRIContextPrivResType;
-static void DRIDestroyDummyContext(ScreenPtr pScreen, Bool hasCtxPriv);
-
-drmServerInfo DRIDRMServerInfo;
-
- /* Wrapper just like xf86DrvMsg, but
- without the verbosity level checking.
- This will make it easy to turn off some
- messages later, based on verbosity
- level. */
-
-/*
- * Since we're already referencing things from the XFree86 common layer in
- * this file, we'd might as well just call xf86VDrvMsgVerb, and have
- * consistent message formatting. The verbosity of these messages can be
- * easily changed here.
- */
-#define DRI_MSG_VERBOSITY 1
-static void
-DRIDrvMsg(int scrnIndex, MessageType type, const char *format, ...)
-{
- va_list ap;
-
- va_start(ap, format);
- xf86VDrvMsgVerb(scrnIndex, type, DRI_MSG_VERBOSITY, format, ap);
- va_end(ap);
-}
-
-
-static void
-DRIOpenDRMCleanup(DRIEntPrivPtr pDRIEntPriv)
-{
- if (pDRIEntPriv->pLSAREA != NULL) {
- drmUnmap(pDRIEntPriv->pLSAREA, pDRIEntPriv->sAreaSize);
- pDRIEntPriv->pLSAREA = NULL;
- }
- if (pDRIEntPriv->hLSAREA != 0) {
- drmRmMap(pDRIEntPriv->drmFD, pDRIEntPriv->hLSAREA);
- }
- if (pDRIEntPriv->drmFD >= 0) {
- drmClose(pDRIEntPriv->drmFD);
- pDRIEntPriv->drmFD = 0;
- }
-}
-
-int
-DRIMasterFD(ScrnInfoPtr pScrn)
-{
- return DRI_ENT_PRIV(pScrn)->drmFD;
-}
-
-void *
-DRIMasterSareaPointer(ScrnInfoPtr pScrn)
-{
- return DRI_ENT_PRIV(pScrn)->pLSAREA;
-}
-
-drm_handle_t
-DRIMasterSareaHandle(ScrnInfoPtr pScrn)
-{
- return DRI_ENT_PRIV(pScrn)->hLSAREA;
-}
-
-
-Bool
-DRIOpenDRMMaster(ScrnInfoPtr pScrn,
- unsigned long sAreaSize,
- const char *busID,
- const char *drmDriverName)
-{
- drmSetVersion saveSv, sv;
- Bool drmWasAvailable;
- DRIEntPrivPtr pDRIEntPriv;
- DRIEntPrivRec tmp;
- drmVersionPtr drmlibv;
- int drmlibmajor, drmlibminor;
- const char *openBusID;
- int count;
- int err;
-
- if (DRIEntPrivIndex == -1)
- DRIEntPrivIndex = xf86AllocateEntityPrivateIndex();
-
- pDRIEntPriv = DRI_ENT_PRIV(pScrn);
-
- if (pDRIEntPriv && pDRIEntPriv->drmFD != -1)
- return TRUE;
-
- drmWasAvailable = drmAvailable();
-
- memset(&tmp, 0, sizeof(tmp));
-
- /* Check the DRM lib version.
- * drmGetLibVersion was not supported in version 1.0, so check for
- * symbol first to avoid possible crash or hang.
- */
-
- drmlibmajor = 1;
- drmlibminor = 0;
- if (xf86LoaderCheckSymbol("drmGetLibVersion")) {
- drmlibv = drmGetLibVersion(-1);
- if (drmlibv != NULL) {
- drmlibmajor = drmlibv->version_major;
- drmlibminor = drmlibv->version_minor;
- drmFreeVersion(drmlibv);
- }
- }
-
- /* Check if the libdrm can handle falling back to loading based on name
- * if a busid string is passed.
- */
- openBusID = (drmlibmajor == 1 && drmlibminor >= 2) ? busID : NULL;
-
- tmp.drmFD = -1;
- sv.drm_di_major = 1;
- sv.drm_di_minor = 1;
- sv.drm_dd_major = -1;
-
- saveSv = sv;
- count = 10;
- while (count--) {
- tmp.drmFD = drmOpen(drmDriverName, openBusID);
-
- if (tmp.drmFD < 0) {
- DRIDrvMsg(-1, X_ERROR, "[drm] drmOpen failed.\n");
- goto out_err;
- }
-
- err = drmSetInterfaceVersion(tmp.drmFD, &sv);
-
- if (err != -EPERM)
- break;
-
- sv = saveSv;
- drmClose(tmp.drmFD);
- tmp.drmFD = -1;
- usleep(100000);
- }
-
- if (tmp.drmFD <= 0) {
- DRIDrvMsg(-1, X_ERROR, "[drm] DRM was busy with another master.\n");
- goto out_err;
- }
-
- if (!drmWasAvailable) {
- DRIDrvMsg(-1, X_INFO,
- "[drm] loaded kernel module for \"%s\" driver.\n",
- drmDriverName);
- }
-
- if (err != 0) {
- sv.drm_di_major = 1;
- sv.drm_di_minor = 0;
- }
-
- DRIDrvMsg(-1, X_INFO, "[drm] DRM interface version %d.%d\n",
- sv.drm_di_major, sv.drm_di_minor);
-
- if (sv.drm_di_major == 1 && sv.drm_di_minor >= 1)
- err = 0;
- else
- err = drmSetBusid(tmp.drmFD, busID);
-
- if (err) {
- DRIDrvMsg(-1, X_ERROR, "[drm] Could not set DRM device bus ID.\n");
- goto out_err;
- }
-
- /*
- * Create a lock-containing sarea.
- */
-
- if (drmAddMap( tmp.drmFD, 0, sAreaSize, DRM_SHM,
- DRM_CONTAINS_LOCK, &tmp.hLSAREA) < 0) {
- DRIDrvMsg(-1, X_INFO, "[drm] Could not create SAREA for DRM lock.\n");
- tmp.hLSAREA = 0;
- goto out_err;
- }
-
- if (drmMap( tmp.drmFD, tmp.hLSAREA, sAreaSize,
- (drmAddressPtr)(&tmp.pLSAREA)) < 0) {
- DRIDrvMsg(-1, X_INFO, "[drm] Mapping SAREA for DRM lock failed.\n");
- tmp.pLSAREA = NULL;
- goto out_err;
- }
-
- memset(tmp.pLSAREA, 0, sAreaSize);
-
- /*
- * Reserved contexts are handled by the first opened screen.
- */
-
- tmp.resOwner = NULL;
-
- if (!pDRIEntPriv)
- pDRIEntPriv = xnfcalloc(sizeof(*pDRIEntPriv), 1);
-
- if (!pDRIEntPriv) {
- DRIDrvMsg(-1, X_INFO, "[drm] Failed to allocate memory for "
- "DRM device.\n");
- goto out_err;
- }
- *pDRIEntPriv = tmp;
- xf86GetEntityPrivate((pScrn)->entityList[0],DRIEntPrivIndex)->ptr =
- pDRIEntPriv;
-
- DRIDrvMsg(-1, X_INFO, "[drm] DRM open master succeeded.\n");
- return TRUE;
-
- out_err:
-
- DRIOpenDRMCleanup(&tmp);
- return FALSE;
-}
-
-static void
-DRIClipNotifyAllDrawables(ScreenPtr pScreen);
-
-static void
-dri_crtc_notify(ScreenPtr pScreen)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIClipNotifyAllDrawables(pScreen);
- xf86_unwrap_crtc_notify(pScreen, pDRIPriv->xf86_crtc_notify);
- xf86_crtc_notify(pScreen);
- pDRIPriv->xf86_crtc_notify = xf86_wrap_crtc_notify(pScreen, dri_crtc_notify);
-}
-
-Bool
-DRIScreenInit(ScreenPtr pScreen, DRIInfoPtr pDRIInfo, int *pDRMFD)
-{
- DRIScreenPrivPtr pDRIPriv;
- drm_context_t * reserved;
- int reserved_count;
- int i;
- DRIEntPrivPtr pDRIEntPriv;
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- DRIContextFlags flags = 0;
- DRIContextPrivPtr pDRIContextPriv;
-
- /* If the DRI extension is disabled, do not initialize the DRI */
- if (noXFree86DRIExtension) {
- DRIDrvMsg(pScreen->myNum, X_WARNING,
- "Direct rendering has been disabled.\n");
- return FALSE;
- }
-
- if (!xf86VGAarbiterAllowDRI(pScreen)) {
- DRIDrvMsg(pScreen->myNum, X_WARNING,
- "Direct rendering is not supported when VGA arb is necessary for the device\n");
- return FALSE;
- }
-
-#ifdef PANORAMIX
- /*
- * If Xinerama is on, don't allow DRI to initialise. It won't be usable
- * anyway.
- */
- if (!noPanoramiXExtension) {
- DRIDrvMsg(pScreen->myNum, X_WARNING,
- "Direct rendering is not supported when Xinerama is enabled\n");
- return FALSE;
- }
-#endif
-
- if (!DRIOpenDRMMaster(pScrn, pDRIInfo->SAREASize,
- pDRIInfo->busIdString,
- pDRIInfo->drmDriverName))
- return FALSE;
-
- pDRIEntPriv = DRI_ENT_PRIV(pScrn);
-
- if (DRIGeneration != serverGeneration)
- DRIGeneration = serverGeneration;
-
- if (!dixRegisterPrivateKey(&DRIScreenPrivKeyRec, PRIVATE_SCREEN, 0))
- return FALSE;
- if (!dixRegisterPrivateKey(&DRIWindowPrivKeyRec, PRIVATE_WINDOW, 0))
- return FALSE;
-
- pDRIPriv = (DRIScreenPrivPtr) calloc(1, sizeof(DRIScreenPrivRec));
- if (!pDRIPriv) {
- dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
- return FALSE;
- }
-
- dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, pDRIPriv);
- pDRIPriv->drmFD = pDRIEntPriv->drmFD;
- pDRIPriv->directRenderingSupport = TRUE;
- pDRIPriv->pDriverInfo = pDRIInfo;
- pDRIPriv->nrWindows = 0;
- pDRIPriv->nrWindowsVisible = 0;
- pDRIPriv->fullscreen = NULL;
-
- pDRIPriv->createDummyCtx = pDRIInfo->createDummyCtx;
- pDRIPriv->createDummyCtxPriv = pDRIInfo->createDummyCtxPriv;
-
- pDRIPriv->grabbedDRILock = FALSE;
- pDRIPriv->drmSIGIOHandlerInstalled = FALSE;
- *pDRMFD = pDRIPriv->drmFD;
-
- if (pDRIEntPriv->sAreaGrabbed || pDRIInfo->allocSarea) {
-
- if (drmAddMap( pDRIPriv->drmFD,
- 0,
- pDRIPriv->pDriverInfo->SAREASize,
- DRM_SHM,
- 0,
- &pDRIPriv->hSAREA) < 0)
- {
- pDRIPriv->directRenderingSupport = FALSE;
- dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
- drmClose(pDRIPriv->drmFD);
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] drmAddMap failed\n");
- return FALSE;
- }
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] added %d byte SAREA at %p\n",
- pDRIPriv->pDriverInfo->SAREASize, pDRIPriv->hSAREA);
-
- /* Backwards compat. */
- if (drmMap( pDRIPriv->drmFD,
- pDRIPriv->hSAREA,
- pDRIPriv->pDriverInfo->SAREASize,
- (drmAddressPtr)(&pDRIPriv->pSAREA)) < 0)
- {
- pDRIPriv->directRenderingSupport = FALSE;
- dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
- drmClose(pDRIPriv->drmFD);
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] drmMap failed\n");
- return FALSE;
- }
- DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] mapped SAREA %p to %p\n",
- pDRIPriv->hSAREA, pDRIPriv->pSAREA);
- memset(pDRIPriv->pSAREA, 0, pDRIPriv->pDriverInfo->SAREASize);
- } else {
- DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] Using the DRM lock "
- "SAREA also for drawables.\n");
- pDRIPriv->hSAREA = pDRIEntPriv->hLSAREA;
- pDRIPriv->pSAREA = (XF86DRISAREAPtr) pDRIEntPriv->pLSAREA;
- pDRIEntPriv->sAreaGrabbed = TRUE;
- }
-
- pDRIPriv->hLSAREA = pDRIEntPriv->hLSAREA;
- pDRIPriv->pLSAREA = pDRIEntPriv->pLSAREA;
-
- if (!pDRIPriv->pDriverInfo->dontMapFrameBuffer)
- {
- if (drmAddMap( pDRIPriv->drmFD,
- (uintptr_t)pDRIPriv->pDriverInfo->frameBufferPhysicalAddress,
- pDRIPriv->pDriverInfo->frameBufferSize,
- DRM_FRAME_BUFFER,
- 0,
- &pDRIPriv->pDriverInfo->hFrameBuffer) < 0)
- {
- pDRIPriv->directRenderingSupport = FALSE;
- dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
- drmUnmap(pDRIPriv->pSAREA, pDRIPriv->pDriverInfo->SAREASize);
- drmClose(pDRIPriv->drmFD);
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] drmAddMap failed\n");
- return FALSE;
- }
- DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] framebuffer handle = %p\n",
- pDRIPriv->pDriverInfo->hFrameBuffer);
- } else {
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] framebuffer mapped by ddx driver\n");
- }
-
- if (pDRIEntPriv->resOwner == NULL) {
- pDRIEntPriv->resOwner = pScreen;
-
- /* Add tags for reserved contexts */
- if ((reserved = drmGetReservedContextList(pDRIPriv->drmFD,
- &reserved_count))) {
- int i;
- void *tag;
-
- for (i = 0; i < reserved_count; i++) {
- tag = DRICreateContextPrivFromHandle(pScreen,
- reserved[i],
- DRI_CONTEXT_RESERVED);
- drmAddContextTag(pDRIPriv->drmFD, reserved[i], tag);
- }
- drmFreeReservedContextList(reserved);
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] added %d reserved context%s for kernel\n",
- reserved_count, reserved_count > 1 ? "s" : "");
- }
- }
-
- /* validate max drawable table entry set by driver */
- if ((pDRIPriv->pDriverInfo->maxDrawableTableEntry <= 0) ||
- (pDRIPriv->pDriverInfo->maxDrawableTableEntry > SAREA_MAX_DRAWABLES)) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "Invalid max drawable table size set by driver: %d\n",
- pDRIPriv->pDriverInfo->maxDrawableTableEntry);
- }
-
- /* Initialize drawable tables (screen private and SAREA) */
- for( i=0; i < pDRIPriv->pDriverInfo->maxDrawableTableEntry; i++) {
- pDRIPriv->DRIDrawables[i] = NULL;
- pDRIPriv->pSAREA->drawableTable[i].stamp = 0;
- pDRIPriv->pSAREA->drawableTable[i].flags = 0;
- }
-
- pDRIPriv->pLockRefCount = &pDRIEntPriv->lockRefCount;
- pDRIPriv->pLockingContext = &pDRIEntPriv->lockingContext;
-
- if (!pDRIEntPriv->keepFDOpen)
- pDRIEntPriv->keepFDOpen = pDRIInfo->keepFDOpen;
-
- pDRIEntPriv->refCount++;
-
- /* Set up flags for DRICreateContextPriv */
- switch (pDRIInfo->driverSwapMethod) {
- case DRI_KERNEL_SWAP:
- flags = DRI_CONTEXT_2DONLY;
- break;
- case DRI_HIDE_X_CONTEXT:
- flags = DRI_CONTEXT_PRESERVED;
- break;
- }
-
- if (!(pDRIContextPriv = DRICreateContextPriv(pScreen,
- &pDRIPriv->myContext,
- flags))) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "failed to create server context\n");
- return FALSE;
- }
- pDRIPriv->myContextPriv = pDRIContextPriv;
-
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "X context handle = %p\n", pDRIPriv->myContext);
-
- /* Now that we have created the X server's context, we can grab the
- * hardware lock for the X server.
- */
- DRILock(pScreen, 0);
- pDRIPriv->grabbedDRILock = TRUE;
-
- /* pointers so that we can prevent memory leaks later */
- pDRIPriv->hiddenContextStore = NULL;
- pDRIPriv->partial3DContextStore = NULL;
-
- switch(pDRIInfo->driverSwapMethod) {
- case DRI_HIDE_X_CONTEXT:
- /* Server will handle 3D swaps, and hide 2D swaps from kernel.
- * Register server context as a preserved context.
- */
-
- /* allocate memory for hidden context store */
- pDRIPriv->hiddenContextStore
- = (void *)calloc(1, pDRIInfo->contextSize);
- if (!pDRIPriv->hiddenContextStore) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "failed to allocate hidden context\n");
- DRIDestroyContextPriv(pDRIContextPriv);
- return FALSE;
- }
-
- /* allocate memory for partial 3D context store */
- pDRIPriv->partial3DContextStore
- = (void *)calloc(1, pDRIInfo->contextSize);
- if (!pDRIPriv->partial3DContextStore) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "[DRI] failed to allocate partial 3D context\n");
- free(pDRIPriv->hiddenContextStore);
- DRIDestroyContextPriv(pDRIContextPriv);
- return FALSE;
- }
-
- /* save initial context store */
- if (pDRIInfo->SwapContext) {
- (*pDRIInfo->SwapContext)(
- pScreen,
- DRI_NO_SYNC,
- DRI_2D_CONTEXT,
- pDRIPriv->hiddenContextStore,
- DRI_NO_CONTEXT,
- NULL);
- }
- /* fall through */
-
- case DRI_SERVER_SWAP:
- /* For swap methods of DRI_SERVER_SWAP and DRI_HIDE_X_CONTEXT
- * setup signal handler for receiving swap requests from kernel
- */
- if (!(pDRIPriv->drmSIGIOHandlerInstalled =
- drmInstallSIGIOHandler(pDRIPriv->drmFD, DRISwapContext))) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "[drm] failed to setup DRM signal handler\n");
- free(pDRIPriv->hiddenContextStore);
- free(pDRIPriv->partial3DContextStore);
- DRIDestroyContextPriv(pDRIContextPriv);
- return FALSE;
- } else {
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] installed DRM signal handler\n");
- }
-
- default:
- break;
- }
-
- return TRUE;
-}
-
-Bool
-DRIFinishScreenInit(ScreenPtr pScreen)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
-
- /* Wrap DRI support */
- if (pDRIInfo->wrap.ValidateTree) {
- pDRIPriv->wrap.ValidateTree = pScreen->ValidateTree;
- pScreen->ValidateTree = pDRIInfo->wrap.ValidateTree;
- }
- if (pDRIInfo->wrap.PostValidateTree) {
- pDRIPriv->wrap.PostValidateTree = pScreen->PostValidateTree;
- pScreen->PostValidateTree = pDRIInfo->wrap.PostValidateTree;
- }
- if (pDRIInfo->wrap.WindowExposures) {
- pDRIPriv->wrap.WindowExposures = pScreen->WindowExposures;
- pScreen->WindowExposures = pDRIInfo->wrap.WindowExposures;
- }
-
- pDRIPriv->DestroyWindow = pScreen->DestroyWindow;
- pScreen->DestroyWindow = DRIDestroyWindow;
-
- pDRIPriv->xf86_crtc_notify = xf86_wrap_crtc_notify(pScreen,
- dri_crtc_notify);
-
- if (pDRIInfo->wrap.CopyWindow) {
- pDRIPriv->wrap.CopyWindow = pScreen->CopyWindow;
- pScreen->CopyWindow = pDRIInfo->wrap.CopyWindow;
- }
- if (pDRIInfo->wrap.ClipNotify) {
- pDRIPriv->wrap.ClipNotify = pScreen->ClipNotify;
- pScreen->ClipNotify = pDRIInfo->wrap.ClipNotify;
- }
- if (pDRIInfo->wrap.AdjustFrame) {
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- pDRIPriv->wrap.AdjustFrame = pScrn->AdjustFrame;
- pScrn->AdjustFrame = pDRIInfo->wrap.AdjustFrame;
- }
- pDRIPriv->wrapped = TRUE;
-
- DRIDrvMsg(pScreen->myNum, X_INFO, "[DRI] installation complete\n");
-
- return TRUE;
-}
-
-void
-DRICloseScreen(ScreenPtr pScreen)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIInfoPtr pDRIInfo;
- drm_context_t * reserved;
- int reserved_count;
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- DRIEntPrivPtr pDRIEntPriv = DRI_ENT_PRIV(pScrn);
- Bool closeMaster;
-
- if (pDRIPriv) {
-
- pDRIInfo = pDRIPriv->pDriverInfo;
-
- if (pDRIPriv->wrapped) {
- /* Unwrap DRI Functions */
- if (pDRIInfo->wrap.ValidateTree) {
- pScreen->ValidateTree = pDRIPriv->wrap.ValidateTree;
- pDRIPriv->wrap.ValidateTree = NULL;
- }
- if (pDRIInfo->wrap.PostValidateTree) {
- pScreen->PostValidateTree = pDRIPriv->wrap.PostValidateTree;
- pDRIPriv->wrap.PostValidateTree = NULL;
- }
- if (pDRIInfo->wrap.WindowExposures) {
- pScreen->WindowExposures = pDRIPriv->wrap.WindowExposures;
- pDRIPriv->wrap.WindowExposures = NULL;
- }
- if (pDRIPriv->DestroyWindow) {
- pScreen->DestroyWindow = pDRIPriv->DestroyWindow;
- pDRIPriv->DestroyWindow = NULL;
- }
-
- xf86_unwrap_crtc_notify(pScreen, pDRIPriv->xf86_crtc_notify);
-
- if (pDRIInfo->wrap.CopyWindow) {
- pScreen->CopyWindow = pDRIPriv->wrap.CopyWindow;
- pDRIPriv->wrap.CopyWindow = NULL;
- }
- if (pDRIInfo->wrap.ClipNotify) {
- pScreen->ClipNotify = pDRIPriv->wrap.ClipNotify;
- pDRIPriv->wrap.ClipNotify = NULL;
- }
- if (pDRIInfo->wrap.AdjustFrame) {
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- pScrn->AdjustFrame = pDRIPriv->wrap.AdjustFrame;
- pDRIPriv->wrap.AdjustFrame = NULL;
- }
-
- pDRIPriv->wrapped = FALSE;
- }
-
- if (pDRIPriv->drmSIGIOHandlerInstalled) {
- if (!drmRemoveSIGIOHandler(pDRIPriv->drmFD)) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "[drm] failed to remove DRM signal handler\n");
- }
- }
-
- if (pDRIPriv->dummyCtxPriv && pDRIPriv->createDummyCtx) {
- DRIDestroyDummyContext(pScreen, pDRIPriv->createDummyCtxPriv);
- }
-
- if (!DRIDestroyContextPriv(pDRIPriv->myContextPriv)) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "failed to destroy server context\n");
- }
-
- /* Remove tags for reserved contexts */
- if (pDRIEntPriv->resOwner == pScreen) {
- pDRIEntPriv->resOwner = NULL;
-
- if ((reserved = drmGetReservedContextList(pDRIPriv->drmFD,
- &reserved_count))) {
- int i;
-
- for (i = 0; i < reserved_count; i++) {
- DRIDestroyContextPriv(drmGetContextTag(pDRIPriv->drmFD,
- reserved[i]));
- }
- drmFreeReservedContextList(reserved);
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] removed %d reserved context%s for kernel\n",
- reserved_count, reserved_count > 1 ? "s" : "");
- }
- }
-
- /* Make sure signals get unblocked etc. */
- drmUnlock(pDRIPriv->drmFD, pDRIPriv->myContext);
- pDRIPriv->pLockRefCount = NULL;
- closeMaster = (--pDRIEntPriv->refCount == 0) &&
- !pDRIEntPriv->keepFDOpen;
- if (closeMaster || pDRIPriv->hSAREA != pDRIEntPriv->hLSAREA) {
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] unmapping %d bytes of SAREA %p at %p\n",
- pDRIInfo->SAREASize,
- pDRIPriv->hSAREA,
- pDRIPriv->pSAREA);
- if (drmUnmap(pDRIPriv->pSAREA, pDRIInfo->SAREASize)) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "[drm] unable to unmap %d bytes"
- " of SAREA %p at %p\n",
- pDRIInfo->SAREASize,
- pDRIPriv->hSAREA,
- pDRIPriv->pSAREA);
- }
- } else {
- pDRIEntPriv->sAreaGrabbed = FALSE;
- }
-
- if (closeMaster || (pDRIEntPriv->drmFD != pDRIPriv->drmFD)) {
- drmClose(pDRIPriv->drmFD);
- if (pDRIEntPriv->drmFD == pDRIPriv->drmFD) {
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] Closed DRM master.\n");
- pDRIEntPriv->drmFD = -1;
- }
- }
-
- free(pDRIPriv);
- dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
- }
-}
-
-#define DRM_MSG_VERBOSITY 3
-
-static int dri_drm_debug_print(const char *format, va_list ap)
-{
- xf86VDrvMsgVerb(-1, X_NONE, DRM_MSG_VERBOSITY, format, ap);
- return 0;
-}
-
-static void dri_drm_get_perms(gid_t *group, mode_t *mode)
-{
- *group = xf86ConfigDRI.group;
- *mode = xf86ConfigDRI.mode;
-}
-
-drmServerInfo DRIDRMServerInfo = {
- dri_drm_debug_print,
- xf86LoadKernelModule,
- dri_drm_get_perms,
-};
-
-Bool
-DRIExtensionInit(void)
-{
- if (DRIGeneration != serverGeneration) {
- return FALSE;
- }
-
- DRIDrawablePrivResType = CreateNewResourceType(DRIDrawablePrivDelete,
- "DRIDrawable");
- DRIContextPrivResType = CreateNewResourceType(DRIContextPrivDelete,
- "DRIContext");
-
- if (!DRIDrawablePrivResType || !DRIContextPrivResType)
- return FALSE;
-
- RegisterBlockAndWakeupHandlers(DRIBlockHandler, DRIWakeupHandler, NULL);
-
- return TRUE;
-}
-
-void
-DRIReset(void)
-{
- /*
- * This stub routine is called when the X Server recycles, resources
- * allocated by DRIExtensionInit need to be managed here.
- *
- * Currently this routine is a stub because all the interesting resources
- * are managed via the screen init process.
- */
-}
-
-Bool
-DRIQueryDirectRenderingCapable(ScreenPtr pScreen, Bool* isCapable)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if (pDRIPriv)
- *isCapable = pDRIPriv->directRenderingSupport;
- else
- *isCapable = FALSE;
-
- return TRUE;
-}
-
-Bool
-DRIOpenConnection(ScreenPtr pScreen, drm_handle_t * hSAREA, char **busIdString)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- *hSAREA = pDRIPriv->hSAREA;
- *busIdString = pDRIPriv->pDriverInfo->busIdString;
-
- return TRUE;
-}
-
-Bool
-DRIAuthConnection(ScreenPtr pScreen, drm_magic_t magic)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if (drmAuthMagic(pDRIPriv->drmFD, magic)) return FALSE;
- return TRUE;
-}
-
-Bool
-DRICloseConnection(ScreenPtr pScreen)
-{
- return TRUE;
-}
-
-Bool
-DRIGetClientDriverName(ScreenPtr pScreen,
- int *ddxDriverMajorVersion,
- int *ddxDriverMinorVersion,
- int *ddxDriverPatchVersion,
- char **clientDriverName)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- *ddxDriverMajorVersion = pDRIPriv->pDriverInfo->ddxDriverMajorVersion;
- *ddxDriverMinorVersion = pDRIPriv->pDriverInfo->ddxDriverMinorVersion;
- *ddxDriverPatchVersion = pDRIPriv->pDriverInfo->ddxDriverPatchVersion;
- *clientDriverName = pDRIPriv->pDriverInfo->clientDriverName;
-
- return TRUE;
-}
-
-/* DRICreateContextPriv and DRICreateContextPrivFromHandle are helper
- functions that layer on drmCreateContext and drmAddContextTag.
-
- DRICreateContextPriv always creates a kernel drm_context_t and then calls
- DRICreateContextPrivFromHandle to create a DRIContextPriv structure for
- DRI tracking. For the SIGIO handler, the drm_context_t is associated with
- DRIContextPrivPtr. Any special flags are stored in the DRIContextPriv
- area and are passed to the kernel (if necessary).
-
- DRICreateContextPriv returns a pointer to newly allocated
- DRIContextPriv, and returns the kernel drm_context_t in pHWContext. */
-
-DRIContextPrivPtr
-DRICreateContextPriv(ScreenPtr pScreen,
- drm_context_t * pHWContext,
- DRIContextFlags flags)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if (drmCreateContext(pDRIPriv->drmFD, pHWContext)) {
- return NULL;
- }
-
- return DRICreateContextPrivFromHandle(pScreen, *pHWContext, flags);
-}
-
-DRIContextPrivPtr
-DRICreateContextPrivFromHandle(ScreenPtr pScreen,
- drm_context_t hHWContext,
- DRIContextFlags flags)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIContextPrivPtr pDRIContextPriv;
- int contextPrivSize;
-
- contextPrivSize = sizeof(DRIContextPrivRec) +
- pDRIPriv->pDriverInfo->contextSize;
- if (!(pDRIContextPriv = calloc(1, contextPrivSize))) {
- return NULL;
- }
- pDRIContextPriv->pContextStore = (void *)(pDRIContextPriv + 1);
-
- drmAddContextTag(pDRIPriv->drmFD, hHWContext, pDRIContextPriv);
-
- pDRIContextPriv->hwContext = hHWContext;
- pDRIContextPriv->pScreen = pScreen;
- pDRIContextPriv->flags = flags;
- pDRIContextPriv->valid3D = FALSE;
-
- if (flags & DRI_CONTEXT_2DONLY) {
- if (drmSetContextFlags(pDRIPriv->drmFD,
- hHWContext,
- DRM_CONTEXT_2DONLY)) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "[drm] failed to set 2D context flag\n");
- DRIDestroyContextPriv(pDRIContextPriv);
- return NULL;
- }
- }
- if (flags & DRI_CONTEXT_PRESERVED) {
- if (drmSetContextFlags(pDRIPriv->drmFD,
- hHWContext,
- DRM_CONTEXT_PRESERVED)) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "[drm] failed to set preserved flag\n");
- DRIDestroyContextPriv(pDRIContextPriv);
- return NULL;
- }
- }
- return pDRIContextPriv;
-}
-
-Bool
-DRIDestroyContextPriv(DRIContextPrivPtr pDRIContextPriv)
-{
- DRIScreenPrivPtr pDRIPriv;
-
- if (!pDRIContextPriv) return TRUE;
-
- pDRIPriv = DRI_SCREEN_PRIV(pDRIContextPriv->pScreen);
-
- if (!(pDRIContextPriv->flags & DRI_CONTEXT_RESERVED)) {
- /* Don't delete reserved contexts from
- kernel area -- the kernel manages its
- reserved contexts itself. */
- if (drmDestroyContext(pDRIPriv->drmFD, pDRIContextPriv->hwContext))
- return FALSE;
- }
-
- /* Remove the tag last to prevent a race
- condition where the context has pending
- buffers. The context can't be re-used
- while in this thread, but buffers can be
- dispatched asynchronously. */
- drmDelContextTag(pDRIPriv->drmFD, pDRIContextPriv->hwContext);
- free(pDRIContextPriv);
- return TRUE;
-}
-
-static Bool
-DRICreateDummyContext(ScreenPtr pScreen, Bool needCtxPriv)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIContextPrivPtr pDRIContextPriv;
- void *contextStore;
-
- if (!(pDRIContextPriv =
- DRICreateContextPriv(pScreen,
- &pDRIPriv->pSAREA->dummy_context, 0))) {
- return FALSE;
- }
-
- contextStore = DRIGetContextStore(pDRIContextPriv);
- if (pDRIPriv->pDriverInfo->CreateContext && needCtxPriv) {
- if (!pDRIPriv->pDriverInfo->CreateContext(pScreen, NULL,
- pDRIPriv->pSAREA->dummy_context,
- NULL,
- (DRIContextType)(long)contextStore)) {
- DRIDestroyContextPriv(pDRIContextPriv);
- return FALSE;
- }
- }
-
- pDRIPriv->dummyCtxPriv = pDRIContextPriv;
- return TRUE;
-}
-
-static void
-DRIDestroyDummyContext(ScreenPtr pScreen, Bool hasCtxPriv)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIContextPrivPtr pDRIContextPriv = pDRIPriv->dummyCtxPriv;
- void *contextStore;
-
- if (!pDRIContextPriv) return;
- if (pDRIPriv->pDriverInfo->DestroyContext && hasCtxPriv) {
- contextStore = DRIGetContextStore(pDRIContextPriv);
- pDRIPriv->pDriverInfo->DestroyContext(pDRIContextPriv->pScreen,
- pDRIContextPriv->hwContext,
- (DRIContextType)(long)contextStore);
- }
-
- DRIDestroyContextPriv(pDRIPriv->dummyCtxPriv);
- pDRIPriv->dummyCtxPriv = NULL;
-}
-
-Bool
-DRICreateContext(ScreenPtr pScreen, VisualPtr visual,
- XID context, drm_context_t * pHWContext)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIContextPrivPtr pDRIContextPriv;
- void *contextStore;
-
- if (pDRIPriv->createDummyCtx && !pDRIPriv->dummyCtxPriv) {
- if (!DRICreateDummyContext(pScreen, pDRIPriv->createDummyCtxPriv)) {
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[drm] Could not create dummy context\n");
- return FALSE;
- }
- }
-
- if (!(pDRIContextPriv = DRICreateContextPriv(pScreen, pHWContext, 0))) {
- return FALSE;
- }
-
- contextStore = DRIGetContextStore(pDRIContextPriv);
- if (pDRIPriv->pDriverInfo->CreateContext) {
- if (!((*pDRIPriv->pDriverInfo->CreateContext)(pScreen, NULL,
- *pHWContext, NULL,
- (DRIContextType)(long)contextStore))) {
- DRIDestroyContextPriv(pDRIContextPriv);
- return FALSE;
- }
- }
-
- /* track this in case the client dies before cleanup */
- AddResource(context, DRIContextPrivResType, (pointer)pDRIContextPriv);
-
- return TRUE;
-}
-
-Bool
-DRIDestroyContext(ScreenPtr pScreen, XID context)
-{
- FreeResourceByType(context, DRIContextPrivResType, FALSE);
-
- return TRUE;
-}
-
-/* DRIContextPrivDelete is called by the resource manager. */
-Bool
-DRIContextPrivDelete(pointer pResource, XID id)
-{
- DRIContextPrivPtr pDRIContextPriv = (DRIContextPrivPtr)pResource;
- DRIScreenPrivPtr pDRIPriv;
- void *contextStore;
-
- pDRIPriv = DRI_SCREEN_PRIV(pDRIContextPriv->pScreen);
- if (pDRIPriv->pDriverInfo->DestroyContext) {
- contextStore = DRIGetContextStore(pDRIContextPriv);
- pDRIPriv->pDriverInfo->DestroyContext(pDRIContextPriv->pScreen,
- pDRIContextPriv->hwContext,
- (DRIContextType)(long)contextStore);
- }
- return DRIDestroyContextPriv(pDRIContextPriv);
-}
-
-
-/* This walks the drawable timestamp array and invalidates all of them
- * in the case of transition from private to shared backbuffers. It's
- * not necessary for correctness, because DRIClipNotify gets called in
- * time to prevent any conflict, but the transition from
- * shared->private is sometimes missed if we don't do this.
- */
-static void
-DRIClipNotifyAllDrawables(ScreenPtr pScreen)
-{
- int i;
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- for( i=0; i < pDRIPriv->pDriverInfo->maxDrawableTableEntry; i++) {
- pDRIPriv->pSAREA->drawableTable[i].stamp = DRIDrawableValidationStamp++;
- }
-}
-
-
-static void
-DRITransitionToSharedBuffers(ScreenPtr pScreen)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
-
- DRIClipNotifyAllDrawables( pScreen );
-
- if (pDRIInfo->TransitionSingleToMulti3D)
- pDRIInfo->TransitionSingleToMulti3D( pScreen );
-}
-
-
-static void
-DRITransitionToPrivateBuffers(ScreenPtr pScreen)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
-
- DRIClipNotifyAllDrawables( pScreen );
-
- if (pDRIInfo->TransitionMultiToSingle3D)
- pDRIInfo->TransitionMultiToSingle3D( pScreen );
-}
-
-
-static void
-DRITransitionTo3d(ScreenPtr pScreen)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
-
- DRIClipNotifyAllDrawables( pScreen );
-
- if (pDRIInfo->TransitionTo3d)
- pDRIInfo->TransitionTo3d( pScreen );
-}
-
-static void
-DRITransitionTo2d(ScreenPtr pScreen)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
-
- DRIClipNotifyAllDrawables( pScreen );
-
- if (pDRIInfo->TransitionTo2d)
- pDRIInfo->TransitionTo2d( pScreen );
-}
-
-
-static int
-DRIDCNTreeTraversal(WindowPtr pWin, pointer data)
-{
- DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
-
- if (pDRIDrawablePriv) {
- ScreenPtr pScreen = pWin->drawable.pScreen;
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if (RegionNumRects(&pWin->clipList) > 0) {
- WindowPtr *pDRIWindows = (WindowPtr*)data;
- int i = 0;
-
- while (pDRIWindows[i])
- i++;
-
- pDRIWindows[i] = pWin;
-
- pDRIPriv->nrWalked++;
- }
-
- if (pDRIPriv->nrWindows == pDRIPriv->nrWalked)
- return WT_STOPWALKING;
- }
-
- return WT_WALKCHILDREN;
-}
-
-static void
-DRIDriverClipNotify(ScreenPtr pScreen)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if (pDRIPriv->pDriverInfo->ClipNotify) {
- WindowPtr *pDRIWindows = calloc(sizeof(WindowPtr), pDRIPriv->nrWindows);
- DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
-
- if (pDRIPriv->nrWindows > 0) {
- pDRIPriv->nrWalked = 0;
- TraverseTree(pScreen->root, DRIDCNTreeTraversal,
- (pointer)pDRIWindows);
- }
-
- pDRIInfo->ClipNotify(pScreen, pDRIWindows, pDRIPriv->nrWindows);
-
- free(pDRIWindows);
- }
-}
-
-static void
-DRIIncreaseNumberVisible(ScreenPtr pScreen)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- switch (++pDRIPriv->nrWindowsVisible) {
- case 1:
- DRITransitionTo3d( pScreen );
- break;
- case 2:
- DRITransitionToSharedBuffers( pScreen );
- break;
- default:
- break;
- }
-
- DRIDriverClipNotify(pScreen);
-}
-
-static void
-DRIDecreaseNumberVisible(ScreenPtr pScreen)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- switch (--pDRIPriv->nrWindowsVisible) {
- case 0:
- DRITransitionTo2d( pScreen );
- break;
- case 1:
- DRITransitionToPrivateBuffers( pScreen );
- break;
- default:
- break;
- }
-
- DRIDriverClipNotify(pScreen);
-}
-
-Bool
-DRICreateDrawable(ScreenPtr pScreen, ClientPtr client, DrawablePtr pDrawable,
- drm_drawable_t * hHWDrawable)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIDrawablePrivPtr pDRIDrawablePriv;
- WindowPtr pWin;
-
- if (pDrawable->type == DRAWABLE_WINDOW) {
- pWin = (WindowPtr)pDrawable;
- if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) {
- pDRIDrawablePriv->refCount++;
-
- if (!pDRIDrawablePriv->hwDrawable) {
- drmCreateDrawable(pDRIPriv->drmFD, &pDRIDrawablePriv->hwDrawable);
- }
- }
- else {
- /* allocate a DRI Window Private record */
- if (!(pDRIDrawablePriv = malloc(sizeof(DRIDrawablePrivRec)))) {
- return FALSE;
- }
-
- /* Only create a drm_drawable_t once */
- if (drmCreateDrawable(pDRIPriv->drmFD,
- &pDRIDrawablePriv->hwDrawable)) {
- free(pDRIDrawablePriv);
- return FALSE;
- }
-
- /* add it to the list of DRI drawables for this screen */
- pDRIDrawablePriv->pScreen = pScreen;
- pDRIDrawablePriv->refCount = 1;
- pDRIDrawablePriv->drawableIndex = -1;
- pDRIDrawablePriv->nrects = RegionNumRects(&pWin->clipList);
-
- /* save private off of preallocated index */
- dixSetPrivate(&pWin->devPrivates, DRIWindowPrivKey,
- pDRIDrawablePriv);
- pDRIPriv->nrWindows++;
-
- if (pDRIDrawablePriv->nrects)
- DRIIncreaseNumberVisible(pScreen);
- }
-
- /* track this in case the client dies */
- AddResource(FakeClientID(client->index), DRIDrawablePrivResType,
- (pointer)(intptr_t)pDrawable->id);
-
- if (pDRIDrawablePriv->hwDrawable) {
- drmUpdateDrawableInfo(pDRIPriv->drmFD,
- pDRIDrawablePriv->hwDrawable,
- DRM_DRAWABLE_CLIPRECTS,
- RegionNumRects(&pWin->clipList),
- RegionRects(&pWin->clipList));
- *hHWDrawable = pDRIDrawablePriv->hwDrawable;
- }
- }
- else if (pDrawable->type != DRAWABLE_PIXMAP) { /* PBuffer */
- /* NOT_DONE */
- return FALSE;
- }
-
- return TRUE;
-}
-
-static void
-DRIDrawablePrivDestroy(WindowPtr pWin)
-{
- DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
- ScreenPtr pScreen;
- DRIScreenPrivPtr pDRIPriv;
-
- if (!pDRIDrawablePriv)
- return;
-
- pScreen = pWin->drawable.pScreen;
- pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if (pDRIDrawablePriv->drawableIndex != -1) {
- /* bump stamp to force outstanding 3D requests to resync */
- pDRIPriv->pSAREA->drawableTable[pDRIDrawablePriv->drawableIndex].stamp
- = DRIDrawableValidationStamp++;
-
- /* release drawable table entry */
- pDRIPriv->DRIDrawables[pDRIDrawablePriv->drawableIndex] = NULL;
- }
-
- pDRIPriv->nrWindows--;
-
- if (pDRIDrawablePriv->nrects)
- DRIDecreaseNumberVisible(pScreen);
-
- drmDestroyDrawable(pDRIPriv->drmFD, pDRIDrawablePriv->hwDrawable);
-
- free(pDRIDrawablePriv);
- dixSetPrivate(&pWin->devPrivates, DRIWindowPrivKey, NULL);
-}
-
-static Bool
-DRIDestroyDrawableCB(pointer value, XID id, pointer data)
-{
- if (value == data) {
- /* This calls back DRIDrawablePrivDelete which frees private area */
- FreeResourceByType(id, DRIDrawablePrivResType, FALSE);
-
- return TRUE;
- }
-
- return FALSE;
-}
-
-Bool
-DRIDestroyDrawable(ScreenPtr pScreen, ClientPtr client, DrawablePtr pDrawable)
-{
- if (pDrawable->type == DRAWABLE_WINDOW) {
- LookupClientResourceComplex(client, DRIDrawablePrivResType,
- DRIDestroyDrawableCB,
- (pointer)(intptr_t)pDrawable->id);
- }
- else { /* pixmap (or for GLX 1.3, a PBuffer) */
- /* NOT_DONE */
- return FALSE;
- }
-
- return TRUE;
-}
-
-Bool
-DRIDrawablePrivDelete(pointer pResource, XID id)
-{
- WindowPtr pWin;
- int rc;
-
- /* For DRIDrawablePrivResType, the XID is the client's fake ID. The
- * important XID is the value in pResource. */
- id = (XID)(intptr_t)pResource;
- rc = dixLookupWindow(&pWin, id, serverClient, DixGetAttrAccess);
-
- if (rc == Success) {
- DRIDrawablePrivPtr pDRIDrwPriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
-
- if (!pDRIDrwPriv)
- return FALSE;
-
- if (--pDRIDrwPriv->refCount == 0)
- DRIDrawablePrivDestroy(pWin);
-
- return TRUE;
- }
- else { /* pixmap (or for GLX 1.3, a PBuffer) */
- /* NOT_DONE */
- return FALSE;
- }
-}
-
-Bool
-DRIGetDrawableInfo(ScreenPtr pScreen,
- DrawablePtr pDrawable,
- unsigned int* index,
- unsigned int* stamp,
- int* X,
- int* Y,
- int* W,
- int* H,
- int* numClipRects,
- drm_clip_rect_t ** pClipRects,
- int* backX,
- int* backY,
- int* numBackClipRects,
- drm_clip_rect_t ** pBackClipRects)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIDrawablePrivPtr pDRIDrawablePriv, pOldDrawPriv;
- WindowPtr pWin, pOldWin;
- int i;
-
-#if 0
- printf("maxDrawableTableEntry = %d\n", pDRIPriv->pDriverInfo->maxDrawableTableEntry);
-#endif
-
- if (pDrawable->type == DRAWABLE_WINDOW) {
- pWin = (WindowPtr)pDrawable;
- if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) {
-
- /* Manage drawable table */
- if (pDRIDrawablePriv->drawableIndex == -1) { /* load SAREA table */
-
- /* Search table for empty entry */
- i = 0;
- while (i < pDRIPriv->pDriverInfo->maxDrawableTableEntry) {
- if (!(pDRIPriv->DRIDrawables[i])) {
- pDRIPriv->DRIDrawables[i] = pDrawable;
- pDRIDrawablePriv->drawableIndex = i;
- pDRIPriv->pSAREA->drawableTable[i].stamp =
- DRIDrawableValidationStamp++;
- break;
- }
- i++;
- }
-
- /* Search table for oldest entry */
- if (i == pDRIPriv->pDriverInfo->maxDrawableTableEntry) {
- unsigned int oldestStamp = ~0;
- int oldestIndex = 0;
- i = pDRIPriv->pDriverInfo->maxDrawableTableEntry;
- while (i--) {
- if (pDRIPriv->pSAREA->drawableTable[i].stamp <
- oldestStamp) {
- oldestIndex = i;
- oldestStamp =
- pDRIPriv->pSAREA->drawableTable[i].stamp;
- }
- }
- pDRIDrawablePriv->drawableIndex = oldestIndex;
-
- /* release oldest drawable table entry */
- pOldWin = (WindowPtr)pDRIPriv->DRIDrawables[oldestIndex];
- pOldDrawPriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pOldWin);
- pOldDrawPriv->drawableIndex = -1;
-
- /* claim drawable table entry */
- pDRIPriv->DRIDrawables[oldestIndex] = pDrawable;
-
- /* validate SAREA entry */
- pDRIPriv->pSAREA->drawableTable[oldestIndex].stamp =
- DRIDrawableValidationStamp++;
-
- /* check for stamp wrap around */
- if (oldestStamp > DRIDrawableValidationStamp) {
-
- /* walk SAREA table and invalidate all drawables */
- for( i=0;
- i < pDRIPriv->pDriverInfo->maxDrawableTableEntry;
- i++) {
- pDRIPriv->pSAREA->drawableTable[i].stamp =
- DRIDrawableValidationStamp++;
- }
- }
- }
-
- /* If the driver wants to be notified when the index is
- * set for a drawable, let it know now.
- */
- if (pDRIPriv->pDriverInfo->SetDrawableIndex)
- pDRIPriv->pDriverInfo->SetDrawableIndex(pWin,
- pDRIDrawablePriv->drawableIndex);
-
- /* reinit drawable ID if window is visible */
- if ((pWin->viewable) &&
- (pDRIPriv->pDriverInfo->bufferRequests != DRI_NO_WINDOWS))
- {
- (*pDRIPriv->pDriverInfo->InitBuffers)(pWin,
- &pWin->clipList, pDRIDrawablePriv->drawableIndex);
- }
- }
-
- *index = pDRIDrawablePriv->drawableIndex;
- *stamp = pDRIPriv->pSAREA->drawableTable[*index].stamp;
- *X = (int)(pWin->drawable.x);
- *Y = (int)(pWin->drawable.y);
-#if 0
- *W = (int)(pWin->winSize.extents.x2 - pWin->winSize.extents.x1);
- *H = (int)(pWin->winSize.extents.y2 - pWin->winSize.extents.y1);
-#endif
- *W = (int)(pWin->drawable.width);
- *H = (int)(pWin->drawable.height);
- *numClipRects = RegionNumRects(&pWin->clipList);
- *pClipRects = (drm_clip_rect_t *)RegionRects(&pWin->clipList);
-
- if (!*numClipRects && pDRIPriv->fullscreen) {
- /* use fake full-screen clip rect */
- pDRIPriv->fullscreen_rect.x1 = *X;
- pDRIPriv->fullscreen_rect.y1 = *Y;
- pDRIPriv->fullscreen_rect.x2 = *X + *W;
- pDRIPriv->fullscreen_rect.y2 = *Y + *H;
-
- *numClipRects = 1;
- *pClipRects = &pDRIPriv->fullscreen_rect;
- }
-
- *backX = *X;
- *backY = *Y;
-
- if (pDRIPriv->nrWindowsVisible == 1 && *numClipRects) {
- /* Use a single cliprect. */
-
- int x0 = *X;
- int y0 = *Y;
- int x1 = x0 + *W;
- int y1 = y0 + *H;
-
- if (x0 < 0) x0 = 0;
- if (y0 < 0) y0 = 0;
- if (x1 > pScreen->width) x1 = pScreen->width;
- if (y1 > pScreen->height) y1 = pScreen->height;
-
- if (y0 >= y1 || x0 >= x1) {
- *numBackClipRects = 0;
- *pBackClipRects = NULL;
- } else {
- pDRIPriv->private_buffer_rect.x1 = x0;
- pDRIPriv->private_buffer_rect.y1 = y0;
- pDRIPriv->private_buffer_rect.x2 = x1;
- pDRIPriv->private_buffer_rect.y2 = y1;
-
- *numBackClipRects = 1;
- *pBackClipRects = &(pDRIPriv->private_buffer_rect);
- }
- } else {
- /* Use the frontbuffer cliprects for back buffers. */
- *numBackClipRects = 0;
- *pBackClipRects = 0;
- }
- }
- else {
- /* Not a DRIDrawable */
- return FALSE;
- }
- }
- else { /* pixmap (or for GLX 1.3, a PBuffer) */
- /* NOT_DONE */
- return FALSE;
- }
-
- return TRUE;
-}
-
-Bool
-DRIGetDeviceInfo(ScreenPtr pScreen,
- drm_handle_t * hFrameBuffer,
- int* fbOrigin,
- int* fbSize,
- int* fbStride,
- int* devPrivateSize,
- void** pDevPrivate)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- *hFrameBuffer = pDRIPriv->pDriverInfo->hFrameBuffer;
- *fbOrigin = 0;
- *fbSize = pDRIPriv->pDriverInfo->frameBufferSize;
- *fbStride = pDRIPriv->pDriverInfo->frameBufferStride;
- *devPrivateSize = pDRIPriv->pDriverInfo->devPrivateSize;
- *pDevPrivate = pDRIPriv->pDriverInfo->devPrivate;
-
- return TRUE;
-}
-
-DRIInfoPtr
-DRICreateInfoRec(void)
-{
- DRIInfoPtr inforec = (DRIInfoPtr)calloc(1, sizeof(DRIInfoRec));
- if (!inforec) return NULL;
-
- /* Initialize defaults */
- inforec->busIdString = NULL;
-
- /* Wrapped function defaults */
- inforec->wrap.WakeupHandler = DRIDoWakeupHandler;
- inforec->wrap.BlockHandler = DRIDoBlockHandler;
- inforec->wrap.WindowExposures = DRIWindowExposures;
- inforec->wrap.CopyWindow = DRICopyWindow;
- inforec->wrap.ValidateTree = DRIValidateTree;
- inforec->wrap.PostValidateTree = DRIPostValidateTree;
- inforec->wrap.ClipNotify = DRIClipNotify;
- inforec->wrap.AdjustFrame = DRIAdjustFrame;
-
- inforec->TransitionTo2d = 0;
- inforec->TransitionTo3d = 0;
- inforec->SetDrawableIndex = 0;
-
- return inforec;
-}
-
-void
-DRIDestroyInfoRec(DRIInfoPtr DRIInfo)
-{
- free(DRIInfo->busIdString);
- free((char*)DRIInfo);
-}
-
-
-void
-DRIWakeupHandler(pointer wakeupData, int result, pointer pReadmask)
-{
- int i;
-
- for (i = 0; i < screenInfo.numScreens; i++) {
- ScreenPtr pScreen = screenInfo.screens[i];
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if (pDRIPriv &&
- pDRIPriv->pDriverInfo->wrap.WakeupHandler)
- (*pDRIPriv->pDriverInfo->wrap.WakeupHandler)(i, wakeupData,
- result, pReadmask);
- }
-}
-
-void
-DRIBlockHandler(pointer blockData, OSTimePtr pTimeout, pointer pReadmask)
-{
- int i;
-
- for (i = 0; i < screenInfo.numScreens; i++) {
- ScreenPtr pScreen = screenInfo.screens[i];
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if (pDRIPriv &&
- pDRIPriv->pDriverInfo->wrap.BlockHandler)
- (*pDRIPriv->pDriverInfo->wrap.BlockHandler)(i, blockData,
- pTimeout, pReadmask);
- }
-}
-
-void
-DRIDoWakeupHandler(int screenNum, pointer wakeupData,
- unsigned long result, pointer pReadmask)
-{
- ScreenPtr pScreen = screenInfo.screens[screenNum];
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- DRILock(pScreen, 0);
- if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) {
- /* hide X context by swapping 2D component here */
- (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
- DRI_3D_SYNC,
- DRI_2D_CONTEXT,
- pDRIPriv->partial3DContextStore,
- DRI_2D_CONTEXT,
- pDRIPriv->hiddenContextStore);
- }
-}
-
-void
-DRIDoBlockHandler(int screenNum, pointer blockData,
- pointer pTimeout, pointer pReadmask)
-{
- ScreenPtr pScreen = screenInfo.screens[screenNum];
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) {
- /* hide X context by swapping 2D component here */
- (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
- DRI_2D_SYNC,
- DRI_NO_CONTEXT,
- NULL,
- DRI_2D_CONTEXT,
- pDRIPriv->partial3DContextStore);
- }
-
- if (pDRIPriv->windowsTouched)
- DRM_SPINUNLOCK(&pDRIPriv->pSAREA->drawable_lock, 1);
- pDRIPriv->windowsTouched = FALSE;
-
- DRIUnlock(pScreen);
-}
-
-void
-DRISwapContext(int drmFD, void *oldctx, void *newctx)
-{
- DRIContextPrivPtr oldContext = (DRIContextPrivPtr)oldctx;
- DRIContextPrivPtr newContext = (DRIContextPrivPtr)newctx;
- ScreenPtr pScreen = newContext->pScreen;
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- void* oldContextStore = NULL;
- DRIContextType oldContextType;
- void* newContextStore = NULL;
- DRIContextType newContextType;
- DRISyncType syncType;
-#ifdef DEBUG
- static int count = 0;
-
- if (!newContext) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "[DRI] Context Switch Error: oldContext=%x, newContext=%x\n",
- oldContext, newContext);
- return;
- }
-
- /* usefull for debugging, just print out after n context switches */
- if (!count || !(count % 1)) {
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[DRI] Context switch %5d from %p/0x%08x (%d)\n",
- count,
- oldContext,
- oldContext ? oldContext->flags : 0,
- oldContext ? oldContext->hwContext : -1);
- DRIDrvMsg(pScreen->myNum, X_INFO,
- "[DRI] Context switch %5d to %p/0x%08x (%d)\n",
- count,
- newContext,
- newContext ? newContext->flags : 0,
- newContext ? newContext->hwContext : -1);
- }
- ++count;
-#endif
-
- if (!pDRIPriv->pDriverInfo->SwapContext) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "[DRI] DDX driver missing context swap call back\n");
- return;
- }
-
- if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) {
-
- /* only 3D contexts are swapped in this case */
- if (oldContext) {
- oldContextStore = DRIGetContextStore(oldContext);
- oldContext->valid3D = TRUE;
- oldContextType = DRI_3D_CONTEXT;
- } else {
- oldContextType = DRI_NO_CONTEXT;
- }
- newContextStore = DRIGetContextStore(newContext);
- if ((newContext->valid3D) &&
- (newContext->hwContext != pDRIPriv->myContext)) {
- newContextType = DRI_3D_CONTEXT;
- }
- else {
- newContextType = DRI_2D_CONTEXT;
- }
- syncType = DRI_3D_SYNC;
- }
- else /* default: driverSwapMethod == DRI_SERVER_SWAP */ {
-
- /* optimize 2D context swaps */
-
- if (newContext->flags & DRI_CONTEXT_2DONLY) {
- /* go from 3D context to 2D context and only save 2D
- * subset of 3D state
- */
- oldContextStore = DRIGetContextStore(oldContext);
- oldContextType = DRI_2D_CONTEXT;
- newContextStore = DRIGetContextStore(newContext);
- newContextType = DRI_2D_CONTEXT;
- syncType = DRI_3D_SYNC;
- pDRIPriv->lastPartial3DContext = oldContext;
- }
- else if (oldContext->flags & DRI_CONTEXT_2DONLY) {
- if (pDRIPriv->lastPartial3DContext == newContext) {
- /* go from 2D context back to previous 3D context and
- * only restore 2D subset of previous 3D state
- */
- oldContextStore = DRIGetContextStore(oldContext);
- oldContextType = DRI_2D_CONTEXT;
- newContextStore = DRIGetContextStore(newContext);
- newContextType = DRI_2D_CONTEXT;
- syncType = DRI_2D_SYNC;
- }
- else {
- /* go from 2D context to a different 3D context */
-
- /* call DDX driver to do partial restore */
- oldContextStore = DRIGetContextStore(oldContext);
- newContextStore =
- DRIGetContextStore(pDRIPriv->lastPartial3DContext);
- (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
- DRI_2D_SYNC,
- DRI_2D_CONTEXT,
- oldContextStore,
- DRI_2D_CONTEXT,
- newContextStore);
-
- /* now setup for a complete 3D swap */
- oldContextStore = newContextStore;
- oldContext->valid3D = TRUE;
- oldContextType = DRI_3D_CONTEXT;
- newContextStore = DRIGetContextStore(newContext);
- if ((newContext->valid3D) &&
- (newContext->hwContext != pDRIPriv->myContext)) {
- newContextType = DRI_3D_CONTEXT;
- }
- else {
- newContextType = DRI_2D_CONTEXT;
- }
- syncType = DRI_NO_SYNC;
- }
- }
- else {
- /* now setup for a complete 3D swap */
- oldContextStore = newContextStore;
- oldContext->valid3D = TRUE;
- oldContextType = DRI_3D_CONTEXT;
- newContextStore = DRIGetContextStore(newContext);
- if ((newContext->valid3D) &&
- (newContext->hwContext != pDRIPriv->myContext)) {
- newContextType = DRI_3D_CONTEXT;
- }
- else {
- newContextType = DRI_2D_CONTEXT;
- }
- syncType = DRI_3D_SYNC;
- }
- }
-
- /* call DDX driver to perform the swap */
- (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
- syncType,
- oldContextType,
- oldContextStore,
- newContextType,
- newContextStore);
-}
-
-void*
-DRIGetContextStore(DRIContextPrivPtr context)
-{
- return((void *)context->pContextStore);
-}
-
-void
-DRIWindowExposures(WindowPtr pWin, RegionPtr prgn, RegionPtr bsreg)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
-
- if(pDRIDrawablePriv) {
- (*pDRIPriv->pDriverInfo->InitBuffers)(pWin, prgn,
- pDRIDrawablePriv->drawableIndex);
- }
-
- /* call lower wrapped functions */
- if (pDRIPriv && pDRIPriv->wrap.WindowExposures) {
-
- /* unwrap */
- pScreen->WindowExposures = pDRIPriv->wrap.WindowExposures;
-
- /* call lower layers */
- (*pScreen->WindowExposures)(pWin, prgn, bsreg);
-
- /* rewrap */
- pDRIPriv->wrap.WindowExposures = pScreen->WindowExposures;
- pScreen->WindowExposures = DRIWindowExposures;
- }
-}
-
-
-static int
-DRITreeTraversal(WindowPtr pWin, pointer data)
-{
- DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
-
- if(pDRIDrawablePriv) {
- ScreenPtr pScreen = pWin->drawable.pScreen;
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if(RegionNumRects(&(pWin->clipList)) > 0) {
- RegionPtr reg = (RegionPtr)data;
-
- RegionUnion(reg, reg, &(pWin->clipList));
- pDRIPriv->nrWalked++;
- }
-
- if(pDRIPriv->nrWindows == pDRIPriv->nrWalked)
- return WT_STOPWALKING;
- }
- return WT_WALKCHILDREN;
-}
-
-Bool
-DRIDestroyWindow(WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- Bool retval = TRUE;
-
- DRIDrawablePrivDestroy(pWin);
-
- /* call lower wrapped functions */
- if(pDRIPriv->DestroyWindow) {
- /* unwrap */
- pScreen->DestroyWindow = pDRIPriv->DestroyWindow;
-
- /* call lower layers */
- retval = (*pScreen->DestroyWindow)(pWin);
-
- /* rewrap */
- pDRIPriv->DestroyWindow = pScreen->DestroyWindow;
- pScreen->DestroyWindow = DRIDestroyWindow;
- }
-
- return retval;
-}
-
-void
-DRICopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if(!pDRIPriv) return;
-
- if(pDRIPriv->nrWindowsVisible > 0) {
- RegionRec reg;
-
- RegionNull(&reg);
- pDRIPriv->nrWalked = 0;
- TraverseTree(pWin, DRITreeTraversal, (pointer)(&reg));
-
- if(RegionNotEmpty(&reg)) {
- RegionTranslate(&reg, ptOldOrg.x - pWin->drawable.x,
- ptOldOrg.y - pWin->drawable.y);
- RegionIntersect(&reg, &reg, prgnSrc);
-
- /* The MoveBuffers interface is not ideal */
- (*pDRIPriv->pDriverInfo->MoveBuffers)(pWin, ptOldOrg, &reg,
- pDRIPriv->pDriverInfo->ddxDrawableTableEntry);
- }
-
- RegionUninit(&reg);
- }
-
- /* call lower wrapped functions */
- if(pDRIPriv->wrap.CopyWindow) {
- /* unwrap */
- pScreen->CopyWindow = pDRIPriv->wrap.CopyWindow;
-
- /* call lower layers */
- (*pScreen->CopyWindow)(pWin, ptOldOrg, prgnSrc);
-
- /* rewrap */
- pDRIPriv->wrap.CopyWindow = pScreen->CopyWindow;
- pScreen->CopyWindow = DRICopyWindow;
- }
-}
-
-static void
-DRIGetSecs(long *secs, long *usecs)
-{
- struct timeval tv;
-
- gettimeofday(&tv, NULL);
-
- *secs = tv.tv_sec;
- *usecs = tv.tv_usec;
-}
-
-static unsigned long
-DRIComputeMilliSeconds(unsigned long s_secs, unsigned long s_usecs,
- unsigned long f_secs, unsigned long f_usecs)
-{
- if (f_usecs < s_usecs) {
- --f_secs;
- f_usecs += 1000000;
- }
- return (f_secs - s_secs) * 1000 + (f_usecs - s_usecs) / 1000;
-}
-
-static void
-DRISpinLockTimeout(drmLock *lock, int val, unsigned long timeout /* in mS */)
-{
- int count = 10000;
-#if !defined(__alpha__) && !defined(__powerpc__)
- char ret;
-#else
- int ret;
-#endif
- long s_secs, s_usecs;
- long f_secs, f_usecs;
- long msecs;
- long prev = 0;
-
- DRIGetSecs(&s_secs, &s_usecs);
-
- do {
- DRM_SPINLOCK_COUNT(lock, val, count, ret);
- if (!ret) return; /* Got lock */
- DRIGetSecs(&f_secs, &f_usecs);
- msecs = DRIComputeMilliSeconds(s_secs, s_usecs, f_secs, f_usecs);
- if (msecs - prev < 250) count *= 2; /* Not more than 0.5S */
- } while (msecs < timeout);
-
- /* Didn't get lock, so take it. The worst
- that can happen is that there is some
- garbage written to the wrong part of the
- framebuffer that a refresh will repair.
- That's undesirable, but better than
- locking the server. This should be a
- very rare event. */
- DRM_SPINLOCK_TAKE(lock, val);
-}
-
-static void
-DRILockTree(ScreenPtr pScreen)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if(!pDRIPriv) return;
-
- /* Restore the last known 3D context if the X context is hidden */
- if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) {
- (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
- DRI_2D_SYNC,
- DRI_NO_CONTEXT,
- NULL,
- DRI_2D_CONTEXT,
- pDRIPriv->partial3DContextStore);
- }
-
- /* Call kernel to release lock */
- DRIUnlock(pScreen);
-
- /* Grab drawable spin lock: a time out between 10 and 30 seconds is
- appropriate, since this should never time out except in the case of
- client death while the lock is being held. The timeout must be
- greater than any reasonable rendering time. */
- DRISpinLockTimeout(&pDRIPriv->pSAREA->drawable_lock, 1, 10000); /*10 secs*/
-
- /* Call kernel flush outstanding buffers and relock */
- DRILock(pScreen, DRM_LOCK_QUIESCENT|DRM_LOCK_FLUSH_ALL);
-
- /* Switch back to our 2D context if the X context is hidden */
- if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) {
- /* hide X context by swapping 2D component here */
- (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
- DRI_3D_SYNC,
- DRI_2D_CONTEXT,
- pDRIPriv->partial3DContextStore,
- DRI_2D_CONTEXT,
- pDRIPriv->hiddenContextStore);
- }
-}
-
-int
-DRIValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind)
-{
- ScreenPtr pScreen = pParent->drawable.pScreen;
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- int returnValue = 1; /* always return 1, not checked by dix/window.c */
-
- if(!pDRIPriv) return returnValue;
-
- /* call lower wrapped functions */
- if(pDRIPriv->wrap.ValidateTree) {
- /* unwrap */
- pScreen->ValidateTree = pDRIPriv->wrap.ValidateTree;
-
- /* call lower layers */
- returnValue = (*pScreen->ValidateTree)(pParent, pChild, kind);
-
- /* rewrap */
- pDRIPriv->wrap.ValidateTree = pScreen->ValidateTree;
- pScreen->ValidateTree = DRIValidateTree;
- }
-
- return returnValue;
-}
-
-void
-DRIPostValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind)
-{
- ScreenPtr pScreen;
- DRIScreenPrivPtr pDRIPriv;
-
- if (pParent) {
- pScreen = pParent->drawable.pScreen;
- } else {
- pScreen = pChild->drawable.pScreen;
- }
- if(!(pDRIPriv = DRI_SCREEN_PRIV(pScreen))) return;
-
- if (pDRIPriv->wrap.PostValidateTree) {
- /* unwrap */
- pScreen->PostValidateTree = pDRIPriv->wrap.PostValidateTree;
-
- /* call lower layers */
- (*pScreen->PostValidateTree)(pParent, pChild, kind);
-
- /* rewrap */
- pDRIPriv->wrap.PostValidateTree = pScreen->PostValidateTree;
- pScreen->PostValidateTree = DRIPostValidateTree;
- }
-}
-
-void
-DRIClipNotify(WindowPtr pWin, int dx, int dy)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIDrawablePrivPtr pDRIDrawablePriv;
-
- if(!pDRIPriv) return;
-
- if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) {
- int nrects = RegionNumRects(&pWin->clipList);
-
- if(!pDRIPriv->windowsTouched) {
- DRILockTree(pScreen);
- pDRIPriv->windowsTouched = TRUE;
- }
-
- if (nrects && !pDRIDrawablePriv->nrects)
- DRIIncreaseNumberVisible(pScreen);
- else if (!nrects && pDRIDrawablePriv->nrects)
- DRIDecreaseNumberVisible(pScreen);
- else
- DRIDriverClipNotify(pScreen);
-
- pDRIDrawablePriv->nrects = nrects;
-
- pDRIPriv->pSAREA->drawableTable[pDRIDrawablePriv->drawableIndex].stamp
- = DRIDrawableValidationStamp++;
-
- drmUpdateDrawableInfo(pDRIPriv->drmFD, pDRIDrawablePriv->hwDrawable,
- DRM_DRAWABLE_CLIPRECTS,
- nrects, RegionRects(&pWin->clipList));
- }
-
- /* call lower wrapped functions */
- if(pDRIPriv->wrap.ClipNotify) {
-
- /* unwrap */
- pScreen->ClipNotify = pDRIPriv->wrap.ClipNotify;
-
- /* call lower layers */
- (*pScreen->ClipNotify)(pWin, dx, dy);
-
- /* rewrap */
- pDRIPriv->wrap.ClipNotify = pScreen->ClipNotify;
- pScreen->ClipNotify = DRIClipNotify;
- }
-}
-
-CARD32
-DRIGetDrawableIndex(WindowPtr pWin)
-{
- ScreenPtr pScreen = pWin->drawable.pScreen;
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
- CARD32 index;
-
- if (pDRIDrawablePriv) {
- index = pDRIDrawablePriv->drawableIndex;
- }
- else {
- index = pDRIPriv->pDriverInfo->ddxDrawableTableEntry;
- }
-
- return index;
-}
-
-unsigned int
-DRIGetDrawableStamp(ScreenPtr pScreen, CARD32 drawable_index)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- return pDRIPriv->pSAREA->drawableTable[drawable_index].stamp;
-}
-
-
-void
-DRIPrintDrawableLock(ScreenPtr pScreen, char *msg)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- ErrorF("%s: %d\n", msg, pDRIPriv->pSAREA->drawable_lock.lock);
-}
-
-void
-DRILock(ScreenPtr pScreen, int flags)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if(!pDRIPriv || !pDRIPriv->pLockRefCount) return;
-
- if (!*pDRIPriv->pLockRefCount) {
- DRM_LOCK(pDRIPriv->drmFD, pDRIPriv->pLSAREA, pDRIPriv->myContext, flags);
- *pDRIPriv->pLockingContext = pDRIPriv->myContext;
- } else if (*pDRIPriv->pLockingContext != pDRIPriv->myContext) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "[DRI] Locking deadlock.\n"
- "\tAlready locked with context %d,\n"
- "\ttrying to lock with context %d.\n",
- pDRIPriv->pLockingContext,
- pDRIPriv->myContext);
- }
- (*pDRIPriv->pLockRefCount)++;
-}
-
-void
-DRIUnlock(ScreenPtr pScreen)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if(!pDRIPriv || !pDRIPriv->pLockRefCount) return;
-
- if (*pDRIPriv->pLockRefCount > 0) {
- if (pDRIPriv->myContext != *pDRIPriv->pLockingContext) {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "[DRI] Unlocking inconsistency:\n"
- "\tContext %d trying to unlock lock held by context %d\n",
- pDRIPriv->pLockingContext,
- pDRIPriv->myContext);
- }
- (*pDRIPriv->pLockRefCount)--;
- } else {
- DRIDrvMsg(pScreen->myNum, X_ERROR,
- "DRIUnlock called when not locked.\n");
- return;
- }
- if (! *pDRIPriv->pLockRefCount)
- DRM_UNLOCK(pDRIPriv->drmFD, pDRIPriv->pLSAREA, pDRIPriv->myContext);
-}
-
-void *
-DRIGetSAREAPrivate(ScreenPtr pScreen)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- if (!pDRIPriv) return 0;
-
- return (void *)(((char*)pDRIPriv->pSAREA)+sizeof(XF86DRISAREARec));
-}
-
-drm_context_t
-DRIGetContext(ScreenPtr pScreen)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- if (!pDRIPriv) return 0;
-
- return pDRIPriv->myContext;
-}
-
-void
-DRIGetTexOffsetFuncs(ScreenPtr pScreen,
- DRITexOffsetStartProcPtr *texOffsetStartFunc,
- DRITexOffsetFinishProcPtr *texOffsetFinishFunc)
-{
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
-
- if (!pDRIPriv) return;
-
- *texOffsetStartFunc = pDRIPriv->pDriverInfo->texOffsetStart;
- *texOffsetFinishFunc = pDRIPriv->pDriverInfo->texOffsetFinish;
-}
-
-/* This lets get at the unwrapped functions so that they can correctly
- * call the lowerlevel functions, and choose whether they will be
- * called at every level of recursion (eg in validatetree).
- */
-DRIWrappedFuncsRec *
-DRIGetWrappedFuncs(ScreenPtr pScreen)
-{
- return &(DRI_SCREEN_PRIV(pScreen)->wrap);
-}
-
-/* note that this returns the library version, not the protocol version */
-void
-DRIQueryVersion(int *majorVersion,
- int *minorVersion,
- int *patchVersion)
-{
- *majorVersion = DRIINFO_MAJOR_VERSION;
- *minorVersion = DRIINFO_MINOR_VERSION;
- *patchVersion = DRIINFO_PATCH_VERSION;
-}
-
-static void
-_DRIAdjustFrame(ScrnInfoPtr pScrn, DRIScreenPrivPtr pDRIPriv, int x, int y)
-{
- pDRIPriv->pSAREA->frame.x = x;
- pDRIPriv->pSAREA->frame.y = y;
- pDRIPriv->pSAREA->frame.width = pScrn->frameX1 - x + 1;
- pDRIPriv->pSAREA->frame.height = pScrn->frameY1 - y + 1;
-}
-
-void
-DRIAdjustFrame(int scrnIndex, int x, int y, int flags)
-{
- ScreenPtr pScreen = screenInfo.screens[scrnIndex];
- DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
- ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
- int px, py;
-
- if (!pDRIPriv || !pDRIPriv->pSAREA) {
- DRIDrvMsg(scrnIndex, X_ERROR, "[DRI] No SAREA (%p %p)\n",
- pDRIPriv, pDRIPriv ? pDRIPriv->pSAREA : NULL);
- return;
- }
-
- if (pDRIPriv->fullscreen) {
- /* Fix up frame */
- pScrn->frameX0 = pDRIPriv->pSAREA->frame.x;
- pScrn->frameY0 = pDRIPriv->pSAREA->frame.y;
- pScrn->frameX1 = pScrn->frameX0 + pDRIPriv->pSAREA->frame.width - 1;
- pScrn->frameY1 = pScrn->frameY0 + pDRIPriv->pSAREA->frame.height - 1;
-
- /* Fix up cursor */
- miPointerGetPosition(inputInfo.pointer, &px, &py);
- if (px < pScrn->frameX0) px = pScrn->frameX0;
- if (px > pScrn->frameX1) px = pScrn->frameX1;
- if (py < pScrn->frameY0) py = pScrn->frameY0;
- if (py > pScrn->frameY1) py = pScrn->frameY1;
- pScreen->SetCursorPosition(inputInfo.pointer, pScreen, px, py, TRUE);
- return;
- }
-
- if (pDRIPriv->wrap.AdjustFrame) {
- /* unwrap */
- pScrn->AdjustFrame = pDRIPriv->wrap.AdjustFrame;
- /* call lower layers */
- (*pScrn->AdjustFrame)(scrnIndex, x, y, flags);
- /* rewrap */
- pDRIPriv->wrap.AdjustFrame = pScrn->AdjustFrame;
- pScrn->AdjustFrame = DRIAdjustFrame;
- }
-
- _DRIAdjustFrame(pScrn, pDRIPriv, x, y);
-}
-
-/*
- * DRIMoveBuffersHelper swaps the regions rects in place leaving you
- * a region with the rects in the order that you need to blit them,
- * but it is possibly (likely) an invalid region afterwards. If you
- * need to use the region again for anything you have to call
- * REGION_VALIDATE on it, or better yet, save a copy first.
- */
-
-void
-DRIMoveBuffersHelper(
- ScreenPtr pScreen,
- int dx,
- int dy,
- int *xdir,
- int *ydir,
- RegionPtr reg
-)
-{
- BoxPtr extents, pbox, firstBox, lastBox;
- BoxRec tmpBox;
- int y, nbox;
-
- extents = RegionExtents(reg);
- nbox = RegionNumRects(reg);
- pbox = RegionRects(reg);
-
- if((dy > 0) && (dy < (extents->y2 - extents->y1))) {
- *ydir = -1;
- if(nbox > 1) {
- firstBox = pbox;
- lastBox = pbox + nbox - 1;
- while((unsigned long)firstBox < (unsigned long)lastBox) {
- tmpBox = *firstBox;
- *firstBox = *lastBox;
- *lastBox = tmpBox;
- firstBox++;
- lastBox--;
- }
- }
- } else *ydir = 1;
-
- if((dx > 0) && (dx < (extents->x2 - extents->x1))) {
- *xdir = -1;
- if(nbox > 1) {
- firstBox = lastBox = pbox;
- y = pbox->y1;
- while(--nbox) {
- pbox++;
- if(pbox->y1 == y) lastBox++;
- else {
- while((unsigned long)firstBox < (unsigned long)lastBox) {
- tmpBox = *firstBox;
- *firstBox = *lastBox;
- *lastBox = tmpBox;
- firstBox++;
- lastBox--;
- }
-
- firstBox = lastBox = pbox;
- y = pbox->y1;
- }
- }
- while((unsigned long)firstBox < (unsigned long)lastBox) {
- tmpBox = *firstBox;
- *firstBox = *lastBox;
- *lastBox = tmpBox;
- firstBox++;
- lastBox--;
- }
- }
- } else *xdir = 1;
-
-}
-
-char *
-DRICreatePCIBusID(const struct pci_device * dev)
-{
- char *busID;
-
- if (asprintf(&busID, "pci:%04x:%02x:%02x.%d",
- dev->domain, dev->bus, dev->dev, dev->func) == -1)
- return NULL;
-
- return busID;
-}
-
-static void drmSIGIOHandler(int interrupt, void *closure)
-{
- unsigned long key;
- void *value;
- ssize_t count;
- drm_ctx_t ctx;
- typedef void (*_drmCallback)(int, void *, void *);
- char buf[256];
- drm_context_t old;
- drm_context_t new;
- void *oldctx;
- void *newctx;
- char *pt;
- drmHashEntry *entry;
- void *hash_table;
-
- hash_table = drmGetHashTable();
-
- if (!hash_table) return;
- if (drmHashFirst(hash_table, &key, &value)) {
- entry = value;
- do {
-#if 0
- fprintf(stderr, "Trying %d\n", entry->fd);
-#endif
- if ((count = read(entry->fd, buf, sizeof(buf) - 1)) > 0) {
- buf[count] = '\0';
-#if 0
- fprintf(stderr, "Got %s\n", buf);
-#endif
-
- for (pt = buf; *pt != ' '; ++pt); /* Find first space */
- ++pt;
- old = strtol(pt, &pt, 0);
- new = strtol(pt, NULL, 0);
- oldctx = drmGetContextTag(entry->fd, old);
- newctx = drmGetContextTag(entry->fd, new);
-#if 0
- fprintf(stderr, "%d %d %p %p\n", old, new, oldctx, newctx);
-#endif
- ((_drmCallback)entry->f)(entry->fd, oldctx, newctx);
- ctx.handle = new;
- ioctl(entry->fd, DRM_IOCTL_NEW_CTX, &ctx);
- }
- } while (drmHashNext(hash_table, &key, &value));
- }
-}
-
-
-int drmInstallSIGIOHandler(int fd, void (*f)(int, void *, void *))
-{
- drmHashEntry *entry;
-
- entry = drmGetEntry(fd);
- entry->f = f;
-
- return xf86InstallSIGIOHandler(fd, drmSIGIOHandler, 0);
-}
-
-int drmRemoveSIGIOHandler(int fd)
-{
- drmHashEntry *entry = drmGetEntry(fd);
-
- entry->f = NULL;
-
- return xf86RemoveSIGIOHandler(fd);
-}
+/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+Copyright 2000 VA Linux Systems, Inc.
+All Rights Reserved.
+
+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, sub license, 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 NON-INFRINGEMENT.
+IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS 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:
+ * Jens Owen <jens@tungstengraphics.com>
+ * Rickard E. (Rik) Faith <faith@valinux.com>
+ *
+ */
+
+#ifdef HAVE_XORG_CONFIG_H
+#include <xorg-config.h>
+#endif
+
+#include "xf86.h"
+#include <sys/time.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "xf86drm.h"
+#include "misc.h"
+#include "dixstruct.h"
+#include "extnsionst.h"
+#include "colormapst.h"
+#include "cursorstr.h"
+#include "scrnintstr.h"
+#include "windowstr.h"
+#include "servermd.h"
+#define _XF86DRI_SERVER_
+#include <X11/dri/xf86driproto.h>
+#include "swaprep.h"
+#include "xf86str.h"
+#include "dri.h"
+#include "sarea.h"
+#include "dristruct.h"
+#include "xf86.h"
+#include "xf86drm.h"
+#include "mi.h"
+#include "mipointer.h"
+#include "xf86_OSproc.h"
+#include "inputstr.h"
+#include "xf86VGAarbiter.h"
+
+static int DRIEntPrivIndex = -1;
+static DevPrivateKeyRec DRIScreenPrivKeyRec;
+#define DRIScreenPrivKey (&DRIScreenPrivKeyRec)
+static DevPrivateKeyRec DRIWindowPrivKeyRec;
+#define DRIWindowPrivKey (&DRIWindowPrivKeyRec)
+static unsigned long DRIGeneration = 0;
+static unsigned int DRIDrawableValidationStamp = 0;
+
+static RESTYPE DRIDrawablePrivResType;
+static RESTYPE DRIContextPrivResType;
+static void DRIDestroyDummyContext(ScreenPtr pScreen, Bool hasCtxPriv);
+
+drmServerInfo DRIDRMServerInfo;
+
+ /* Wrapper just like xf86DrvMsg, but
+ without the verbosity level checking.
+ This will make it easy to turn off some
+ messages later, based on verbosity
+ level. */
+
+/*
+ * Since we're already referencing things from the XFree86 common layer in
+ * this file, we'd might as well just call xf86VDrvMsgVerb, and have
+ * consistent message formatting. The verbosity of these messages can be
+ * easily changed here.
+ */
+#define DRI_MSG_VERBOSITY 1
+static void
+DRIDrvMsg(int scrnIndex, MessageType type, const char *format, ...)
+{
+ va_list ap;
+
+ va_start(ap, format);
+ xf86VDrvMsgVerb(scrnIndex, type, DRI_MSG_VERBOSITY, format, ap);
+ va_end(ap);
+}
+
+
+static void
+DRIOpenDRMCleanup(DRIEntPrivPtr pDRIEntPriv)
+{
+ if (pDRIEntPriv->pLSAREA != NULL) {
+ drmUnmap(pDRIEntPriv->pLSAREA, pDRIEntPriv->sAreaSize);
+ pDRIEntPriv->pLSAREA = NULL;
+ }
+ if (pDRIEntPriv->hLSAREA != 0) {
+ drmRmMap(pDRIEntPriv->drmFD, pDRIEntPriv->hLSAREA);
+ }
+ if (pDRIEntPriv->drmFD >= 0) {
+ drmClose(pDRIEntPriv->drmFD);
+ pDRIEntPriv->drmFD = 0;
+ }
+}
+
+int
+DRIMasterFD(ScrnInfoPtr pScrn)
+{
+ return DRI_ENT_PRIV(pScrn)->drmFD;
+}
+
+void *
+DRIMasterSareaPointer(ScrnInfoPtr pScrn)
+{
+ return DRI_ENT_PRIV(pScrn)->pLSAREA;
+}
+
+drm_handle_t
+DRIMasterSareaHandle(ScrnInfoPtr pScrn)
+{
+ return DRI_ENT_PRIV(pScrn)->hLSAREA;
+}
+
+
+Bool
+DRIOpenDRMMaster(ScrnInfoPtr pScrn,
+ unsigned long sAreaSize,
+ const char *busID,
+ const char *drmDriverName)
+{
+ drmSetVersion saveSv, sv;
+ Bool drmWasAvailable;
+ DRIEntPrivPtr pDRIEntPriv;
+ DRIEntPrivRec tmp;
+ drmVersionPtr drmlibv;
+ int drmlibmajor, drmlibminor;
+ const char *openBusID;
+ int count;
+ int err;
+
+ if (DRIEntPrivIndex == -1)
+ DRIEntPrivIndex = xf86AllocateEntityPrivateIndex();
+
+ pDRIEntPriv = DRI_ENT_PRIV(pScrn);
+
+ if (pDRIEntPriv && pDRIEntPriv->drmFD != -1)
+ return TRUE;
+
+ drmWasAvailable = drmAvailable();
+
+ memset(&tmp, 0, sizeof(tmp));
+
+ /* Check the DRM lib version.
+ * drmGetLibVersion was not supported in version 1.0, so check for
+ * symbol first to avoid possible crash or hang.
+ */
+
+ drmlibmajor = 1;
+ drmlibminor = 0;
+ if (xf86LoaderCheckSymbol("drmGetLibVersion")) {
+ drmlibv = drmGetLibVersion(-1);
+ if (drmlibv != NULL) {
+ drmlibmajor = drmlibv->version_major;
+ drmlibminor = drmlibv->version_minor;
+ drmFreeVersion(drmlibv);
+ }
+ }
+
+ /* Check if the libdrm can handle falling back to loading based on name
+ * if a busid string is passed.
+ */
+ openBusID = (drmlibmajor == 1 && drmlibminor >= 2) ? busID : NULL;
+
+ tmp.drmFD = -1;
+ sv.drm_di_major = 1;
+ sv.drm_di_minor = 1;
+ sv.drm_dd_major = -1;
+
+ saveSv = sv;
+ count = 10;
+ while (count--) {
+ tmp.drmFD = drmOpen(drmDriverName, openBusID);
+
+ if (tmp.drmFD < 0) {
+ DRIDrvMsg(-1, X_ERROR, "[drm] drmOpen failed.\n");
+ goto out_err;
+ }
+
+ err = drmSetInterfaceVersion(tmp.drmFD, &sv);
+
+ if (err != -EPERM)
+ break;
+
+ sv = saveSv;
+ drmClose(tmp.drmFD);
+ tmp.drmFD = -1;
+ usleep(100000);
+ }
+
+ if (tmp.drmFD <= 0) {
+ DRIDrvMsg(-1, X_ERROR, "[drm] DRM was busy with another master.\n");
+ goto out_err;
+ }
+
+ if (!drmWasAvailable) {
+ DRIDrvMsg(-1, X_INFO,
+ "[drm] loaded kernel module for \"%s\" driver.\n",
+ drmDriverName);
+ }
+
+ if (err != 0) {
+ sv.drm_di_major = 1;
+ sv.drm_di_minor = 0;
+ }
+
+ DRIDrvMsg(-1, X_INFO, "[drm] DRM interface version %d.%d\n",
+ sv.drm_di_major, sv.drm_di_minor);
+
+ if (sv.drm_di_major == 1 && sv.drm_di_minor >= 1)
+ err = 0;
+ else
+ err = drmSetBusid(tmp.drmFD, busID);
+
+ if (err) {
+ DRIDrvMsg(-1, X_ERROR, "[drm] Could not set DRM device bus ID.\n");
+ goto out_err;
+ }
+
+ /*
+ * Create a lock-containing sarea.
+ */
+
+ if (drmAddMap( tmp.drmFD, 0, sAreaSize, DRM_SHM,
+ DRM_CONTAINS_LOCK, &tmp.hLSAREA) < 0) {
+ DRIDrvMsg(-1, X_INFO, "[drm] Could not create SAREA for DRM lock.\n");
+ tmp.hLSAREA = 0;
+ goto out_err;
+ }
+
+ if (drmMap( tmp.drmFD, tmp.hLSAREA, sAreaSize,
+ (drmAddressPtr)(&tmp.pLSAREA)) < 0) {
+ DRIDrvMsg(-1, X_INFO, "[drm] Mapping SAREA for DRM lock failed.\n");
+ tmp.pLSAREA = NULL;
+ goto out_err;
+ }
+
+ memset(tmp.pLSAREA, 0, sAreaSize);
+
+ /*
+ * Reserved contexts are handled by the first opened screen.
+ */
+
+ tmp.resOwner = NULL;
+
+ if (!pDRIEntPriv)
+ pDRIEntPriv = xnfcalloc(sizeof(*pDRIEntPriv), 1);
+
+ if (!pDRIEntPriv) {
+ DRIDrvMsg(-1, X_INFO, "[drm] Failed to allocate memory for "
+ "DRM device.\n");
+ goto out_err;
+ }
+ *pDRIEntPriv = tmp;
+ xf86GetEntityPrivate((pScrn)->entityList[0],DRIEntPrivIndex)->ptr =
+ pDRIEntPriv;
+
+ DRIDrvMsg(-1, X_INFO, "[drm] DRM open master succeeded.\n");
+ return TRUE;
+
+ out_err:
+
+ DRIOpenDRMCleanup(&tmp);
+ return FALSE;
+}
+
+static void
+DRIClipNotifyAllDrawables(ScreenPtr pScreen);
+
+static void
+dri_crtc_notify(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIClipNotifyAllDrawables(pScreen);
+ xf86_unwrap_crtc_notify(pScreen, pDRIPriv->xf86_crtc_notify);
+ xf86_crtc_notify(pScreen);
+ pDRIPriv->xf86_crtc_notify = xf86_wrap_crtc_notify(pScreen, dri_crtc_notify);
+}
+
+Bool
+DRIScreenInit(ScreenPtr pScreen, DRIInfoPtr pDRIInfo, int *pDRMFD)
+{
+ DRIScreenPrivPtr pDRIPriv;
+ drm_context_t * reserved;
+ int reserved_count;
+ int i;
+ DRIEntPrivPtr pDRIEntPriv;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ DRIContextFlags flags = 0;
+ DRIContextPrivPtr pDRIContextPriv;
+
+ /* If the DRI extension is disabled, do not initialize the DRI */
+ if (noXFree86DRIExtension) {
+ DRIDrvMsg(pScreen->myNum, X_WARNING,
+ "Direct rendering has been disabled.\n");
+ return FALSE;
+ }
+
+ if (!xf86VGAarbiterAllowDRI(pScreen)) {
+ DRIDrvMsg(pScreen->myNum, X_WARNING,
+ "Direct rendering is not supported when VGA arb is necessary for the device\n");
+ return FALSE;
+ }
+
+#ifdef PANORAMIX
+ /*
+ * If Xinerama is on, don't allow DRI to initialise. It won't be usable
+ * anyway.
+ */
+ if (!noPanoramiXExtension) {
+ DRIDrvMsg(pScreen->myNum, X_WARNING,
+ "Direct rendering is not supported when Xinerama is enabled\n");
+ return FALSE;
+ }
+#endif
+
+ if (!DRIOpenDRMMaster(pScrn, pDRIInfo->SAREASize,
+ pDRIInfo->busIdString,
+ pDRIInfo->drmDriverName))
+ return FALSE;
+
+ pDRIEntPriv = DRI_ENT_PRIV(pScrn);
+
+ if (DRIGeneration != serverGeneration)
+ DRIGeneration = serverGeneration;
+
+ if (!dixRegisterPrivateKey(&DRIScreenPrivKeyRec, PRIVATE_SCREEN, 0))
+ return FALSE;
+ if (!dixRegisterPrivateKey(&DRIWindowPrivKeyRec, PRIVATE_WINDOW, 0))
+ return FALSE;
+
+ pDRIPriv = (DRIScreenPrivPtr) calloc(1, sizeof(DRIScreenPrivRec));
+ if (!pDRIPriv) {
+ dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
+ return FALSE;
+ }
+
+ dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, pDRIPriv);
+ pDRIPriv->drmFD = pDRIEntPriv->drmFD;
+ pDRIPriv->directRenderingSupport = TRUE;
+ pDRIPriv->pDriverInfo = pDRIInfo;
+ pDRIPriv->nrWindows = 0;
+ pDRIPriv->nrWindowsVisible = 0;
+ pDRIPriv->fullscreen = NULL;
+
+ pDRIPriv->createDummyCtx = pDRIInfo->createDummyCtx;
+ pDRIPriv->createDummyCtxPriv = pDRIInfo->createDummyCtxPriv;
+
+ pDRIPriv->grabbedDRILock = FALSE;
+ pDRIPriv->drmSIGIOHandlerInstalled = FALSE;
+ *pDRMFD = pDRIPriv->drmFD;
+
+ if (pDRIEntPriv->sAreaGrabbed || pDRIInfo->allocSarea) {
+
+ if (drmAddMap( pDRIPriv->drmFD,
+ 0,
+ pDRIPriv->pDriverInfo->SAREASize,
+ DRM_SHM,
+ 0,
+ &pDRIPriv->hSAREA) < 0)
+ {
+ pDRIPriv->directRenderingSupport = FALSE;
+ dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
+ drmClose(pDRIPriv->drmFD);
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] drmAddMap failed\n");
+ return FALSE;
+ }
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] added %d byte SAREA at %p\n",
+ pDRIPriv->pDriverInfo->SAREASize, pDRIPriv->hSAREA);
+
+ /* Backwards compat. */
+ if (drmMap( pDRIPriv->drmFD,
+ pDRIPriv->hSAREA,
+ pDRIPriv->pDriverInfo->SAREASize,
+ (drmAddressPtr)(&pDRIPriv->pSAREA)) < 0)
+ {
+ pDRIPriv->directRenderingSupport = FALSE;
+ dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
+ drmClose(pDRIPriv->drmFD);
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] drmMap failed\n");
+ return FALSE;
+ }
+ DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] mapped SAREA %p to %p\n",
+ pDRIPriv->hSAREA, pDRIPriv->pSAREA);
+ memset(pDRIPriv->pSAREA, 0, pDRIPriv->pDriverInfo->SAREASize);
+ } else {
+ DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] Using the DRM lock "
+ "SAREA also for drawables.\n");
+ pDRIPriv->hSAREA = pDRIEntPriv->hLSAREA;
+ pDRIPriv->pSAREA = (XF86DRISAREAPtr) pDRIEntPriv->pLSAREA;
+ pDRIEntPriv->sAreaGrabbed = TRUE;
+ }
+
+ pDRIPriv->hLSAREA = pDRIEntPriv->hLSAREA;
+ pDRIPriv->pLSAREA = pDRIEntPriv->pLSAREA;
+
+ if (!pDRIPriv->pDriverInfo->dontMapFrameBuffer)
+ {
+ if (drmAddMap( pDRIPriv->drmFD,
+ (uintptr_t)pDRIPriv->pDriverInfo->frameBufferPhysicalAddress,
+ pDRIPriv->pDriverInfo->frameBufferSize,
+ DRM_FRAME_BUFFER,
+ 0,
+ &pDRIPriv->pDriverInfo->hFrameBuffer) < 0)
+ {
+ pDRIPriv->directRenderingSupport = FALSE;
+ dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
+ drmUnmap(pDRIPriv->pSAREA, pDRIPriv->pDriverInfo->SAREASize);
+ drmClose(pDRIPriv->drmFD);
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] drmAddMap failed\n");
+ return FALSE;
+ }
+ DRIDrvMsg(pScreen->myNum, X_INFO, "[drm] framebuffer handle = %p\n",
+ pDRIPriv->pDriverInfo->hFrameBuffer);
+ } else {
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] framebuffer mapped by ddx driver\n");
+ }
+
+ if (pDRIEntPriv->resOwner == NULL) {
+ pDRIEntPriv->resOwner = pScreen;
+
+ /* Add tags for reserved contexts */
+ if ((reserved = drmGetReservedContextList(pDRIPriv->drmFD,
+ &reserved_count))) {
+ int i;
+ void *tag;
+
+ for (i = 0; i < reserved_count; i++) {
+ tag = DRICreateContextPrivFromHandle(pScreen,
+ reserved[i],
+ DRI_CONTEXT_RESERVED);
+ drmAddContextTag(pDRIPriv->drmFD, reserved[i], tag);
+ }
+ drmFreeReservedContextList(reserved);
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] added %d reserved context%s for kernel\n",
+ reserved_count, reserved_count > 1 ? "s" : "");
+ }
+ }
+
+ /* validate max drawable table entry set by driver */
+ if ((pDRIPriv->pDriverInfo->maxDrawableTableEntry <= 0) ||
+ (pDRIPriv->pDriverInfo->maxDrawableTableEntry > SAREA_MAX_DRAWABLES)) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "Invalid max drawable table size set by driver: %d\n",
+ pDRIPriv->pDriverInfo->maxDrawableTableEntry);
+ }
+
+ /* Initialize drawable tables (screen private and SAREA) */
+ for( i=0; i < pDRIPriv->pDriverInfo->maxDrawableTableEntry; i++) {
+ pDRIPriv->DRIDrawables[i] = NULL;
+ pDRIPriv->pSAREA->drawableTable[i].stamp = 0;
+ pDRIPriv->pSAREA->drawableTable[i].flags = 0;
+ }
+
+ pDRIPriv->pLockRefCount = &pDRIEntPriv->lockRefCount;
+ pDRIPriv->pLockingContext = &pDRIEntPriv->lockingContext;
+
+ if (!pDRIEntPriv->keepFDOpen)
+ pDRIEntPriv->keepFDOpen = pDRIInfo->keepFDOpen;
+
+ pDRIEntPriv->refCount++;
+
+ /* Set up flags for DRICreateContextPriv */
+ switch (pDRIInfo->driverSwapMethod) {
+ case DRI_KERNEL_SWAP:
+ flags = DRI_CONTEXT_2DONLY;
+ break;
+ case DRI_HIDE_X_CONTEXT:
+ flags = DRI_CONTEXT_PRESERVED;
+ break;
+ }
+
+ if (!(pDRIContextPriv = DRICreateContextPriv(pScreen,
+ &pDRIPriv->myContext,
+ flags))) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "failed to create server context\n");
+ return FALSE;
+ }
+ pDRIPriv->myContextPriv = pDRIContextPriv;
+
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "X context handle = %p\n", pDRIPriv->myContext);
+
+ /* Now that we have created the X server's context, we can grab the
+ * hardware lock for the X server.
+ */
+ DRILock(pScreen, 0);
+ pDRIPriv->grabbedDRILock = TRUE;
+
+ /* pointers so that we can prevent memory leaks later */
+ pDRIPriv->hiddenContextStore = NULL;
+ pDRIPriv->partial3DContextStore = NULL;
+
+ switch(pDRIInfo->driverSwapMethod) {
+ case DRI_HIDE_X_CONTEXT:
+ /* Server will handle 3D swaps, and hide 2D swaps from kernel.
+ * Register server context as a preserved context.
+ */
+
+ /* allocate memory for hidden context store */
+ pDRIPriv->hiddenContextStore
+ = (void *)calloc(1, pDRIInfo->contextSize);
+ if (!pDRIPriv->hiddenContextStore) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "failed to allocate hidden context\n");
+ DRIDestroyContextPriv(pDRIContextPriv);
+ return FALSE;
+ }
+
+ /* allocate memory for partial 3D context store */
+ pDRIPriv->partial3DContextStore
+ = (void *)calloc(1, pDRIInfo->contextSize);
+ if (!pDRIPriv->partial3DContextStore) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI] failed to allocate partial 3D context\n");
+ free(pDRIPriv->hiddenContextStore);
+ DRIDestroyContextPriv(pDRIContextPriv);
+ return FALSE;
+ }
+
+ /* save initial context store */
+ if (pDRIInfo->SwapContext) {
+ (*pDRIInfo->SwapContext)(
+ pScreen,
+ DRI_NO_SYNC,
+ DRI_2D_CONTEXT,
+ pDRIPriv->hiddenContextStore,
+ DRI_NO_CONTEXT,
+ NULL);
+ }
+ /* fall through */
+
+ case DRI_SERVER_SWAP:
+ /* For swap methods of DRI_SERVER_SWAP and DRI_HIDE_X_CONTEXT
+ * setup signal handler for receiving swap requests from kernel
+ */
+ if (!(pDRIPriv->drmSIGIOHandlerInstalled =
+ drmInstallSIGIOHandler(pDRIPriv->drmFD, DRISwapContext))) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[drm] failed to setup DRM signal handler\n");
+ free(pDRIPriv->hiddenContextStore);
+ free(pDRIPriv->partial3DContextStore);
+ DRIDestroyContextPriv(pDRIContextPriv);
+ return FALSE;
+ } else {
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] installed DRM signal handler\n");
+ }
+
+ default:
+ break;
+ }
+
+ return TRUE;
+}
+
+Bool
+DRIFinishScreenInit(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
+
+ /* Wrap DRI support */
+ if (pDRIInfo->wrap.ValidateTree) {
+ pDRIPriv->wrap.ValidateTree = pScreen->ValidateTree;
+ pScreen->ValidateTree = pDRIInfo->wrap.ValidateTree;
+ }
+ if (pDRIInfo->wrap.PostValidateTree) {
+ pDRIPriv->wrap.PostValidateTree = pScreen->PostValidateTree;
+ pScreen->PostValidateTree = pDRIInfo->wrap.PostValidateTree;
+ }
+ if (pDRIInfo->wrap.WindowExposures) {
+ pDRIPriv->wrap.WindowExposures = pScreen->WindowExposures;
+ pScreen->WindowExposures = pDRIInfo->wrap.WindowExposures;
+ }
+
+ pDRIPriv->DestroyWindow = pScreen->DestroyWindow;
+ pScreen->DestroyWindow = DRIDestroyWindow;
+
+ pDRIPriv->xf86_crtc_notify = xf86_wrap_crtc_notify(pScreen,
+ dri_crtc_notify);
+
+ if (pDRIInfo->wrap.CopyWindow) {
+ pDRIPriv->wrap.CopyWindow = pScreen->CopyWindow;
+ pScreen->CopyWindow = pDRIInfo->wrap.CopyWindow;
+ }
+ if (pDRIInfo->wrap.ClipNotify) {
+ pDRIPriv->wrap.ClipNotify = pScreen->ClipNotify;
+ pScreen->ClipNotify = pDRIInfo->wrap.ClipNotify;
+ }
+ if (pDRIInfo->wrap.AdjustFrame) {
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ pDRIPriv->wrap.AdjustFrame = pScrn->AdjustFrame;
+ pScrn->AdjustFrame = pDRIInfo->wrap.AdjustFrame;
+ }
+ pDRIPriv->wrapped = TRUE;
+
+ DRIDrvMsg(pScreen->myNum, X_INFO, "[DRI] installation complete\n");
+
+ return TRUE;
+}
+
+void
+DRICloseScreen(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIInfoPtr pDRIInfo;
+ drm_context_t * reserved;
+ int reserved_count;
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ DRIEntPrivPtr pDRIEntPriv = DRI_ENT_PRIV(pScrn);
+ Bool closeMaster;
+
+ if (pDRIPriv) {
+
+ pDRIInfo = pDRIPriv->pDriverInfo;
+
+ if (pDRIPriv->wrapped) {
+ /* Unwrap DRI Functions */
+ if (pDRIInfo->wrap.ValidateTree) {
+ pScreen->ValidateTree = pDRIPriv->wrap.ValidateTree;
+ pDRIPriv->wrap.ValidateTree = NULL;
+ }
+ if (pDRIInfo->wrap.PostValidateTree) {
+ pScreen->PostValidateTree = pDRIPriv->wrap.PostValidateTree;
+ pDRIPriv->wrap.PostValidateTree = NULL;
+ }
+ if (pDRIInfo->wrap.WindowExposures) {
+ pScreen->WindowExposures = pDRIPriv->wrap.WindowExposures;
+ pDRIPriv->wrap.WindowExposures = NULL;
+ }
+ if (pDRIPriv->DestroyWindow) {
+ pScreen->DestroyWindow = pDRIPriv->DestroyWindow;
+ pDRIPriv->DestroyWindow = NULL;
+ }
+
+ xf86_unwrap_crtc_notify(pScreen, pDRIPriv->xf86_crtc_notify);
+
+ if (pDRIInfo->wrap.CopyWindow) {
+ pScreen->CopyWindow = pDRIPriv->wrap.CopyWindow;
+ pDRIPriv->wrap.CopyWindow = NULL;
+ }
+ if (pDRIInfo->wrap.ClipNotify) {
+ pScreen->ClipNotify = pDRIPriv->wrap.ClipNotify;
+ pDRIPriv->wrap.ClipNotify = NULL;
+ }
+ if (pDRIInfo->wrap.AdjustFrame) {
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ pScrn->AdjustFrame = pDRIPriv->wrap.AdjustFrame;
+ pDRIPriv->wrap.AdjustFrame = NULL;
+ }
+
+ pDRIPriv->wrapped = FALSE;
+ }
+
+ if (pDRIPriv->drmSIGIOHandlerInstalled) {
+ if (!drmRemoveSIGIOHandler(pDRIPriv->drmFD)) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[drm] failed to remove DRM signal handler\n");
+ }
+ }
+
+ if (pDRIPriv->dummyCtxPriv && pDRIPriv->createDummyCtx) {
+ DRIDestroyDummyContext(pScreen, pDRIPriv->createDummyCtxPriv);
+ }
+
+ if (!DRIDestroyContextPriv(pDRIPriv->myContextPriv)) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "failed to destroy server context\n");
+ }
+
+ /* Remove tags for reserved contexts */
+ if (pDRIEntPriv->resOwner == pScreen) {
+ pDRIEntPriv->resOwner = NULL;
+
+ if ((reserved = drmGetReservedContextList(pDRIPriv->drmFD,
+ &reserved_count))) {
+ int i;
+
+ for (i = 0; i < reserved_count; i++) {
+ DRIDestroyContextPriv(drmGetContextTag(pDRIPriv->drmFD,
+ reserved[i]));
+ }
+ drmFreeReservedContextList(reserved);
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] removed %d reserved context%s for kernel\n",
+ reserved_count, reserved_count > 1 ? "s" : "");
+ }
+ }
+
+ /* Make sure signals get unblocked etc. */
+ drmUnlock(pDRIPriv->drmFD, pDRIPriv->myContext);
+ pDRIPriv->pLockRefCount = NULL;
+ closeMaster = (--pDRIEntPriv->refCount == 0) &&
+ !pDRIEntPriv->keepFDOpen;
+ if (closeMaster || pDRIPriv->hSAREA != pDRIEntPriv->hLSAREA) {
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] unmapping %d bytes of SAREA %p at %p\n",
+ pDRIInfo->SAREASize,
+ pDRIPriv->hSAREA,
+ pDRIPriv->pSAREA);
+ if (drmUnmap(pDRIPriv->pSAREA, pDRIInfo->SAREASize)) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[drm] unable to unmap %d bytes"
+ " of SAREA %p at %p\n",
+ pDRIInfo->SAREASize,
+ pDRIPriv->hSAREA,
+ pDRIPriv->pSAREA);
+ }
+ } else {
+ pDRIEntPriv->sAreaGrabbed = FALSE;
+ }
+
+ if (closeMaster || (pDRIEntPriv->drmFD != pDRIPriv->drmFD)) {
+ drmClose(pDRIPriv->drmFD);
+ if (pDRIEntPriv->drmFD == pDRIPriv->drmFD) {
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] Closed DRM master.\n");
+ pDRIEntPriv->drmFD = -1;
+ }
+ }
+
+ free(pDRIPriv);
+ dixSetPrivate(&pScreen->devPrivates, DRIScreenPrivKey, NULL);
+ }
+}
+
+#define DRM_MSG_VERBOSITY 3
+
+static int dri_drm_debug_print(const char *format, va_list ap)
+{
+ xf86VDrvMsgVerb(-1, X_NONE, DRM_MSG_VERBOSITY, format, ap);
+ return 0;
+}
+
+static void dri_drm_get_perms(gid_t *group, mode_t *mode)
+{
+ *group = xf86ConfigDRI.group;
+ *mode = xf86ConfigDRI.mode;
+}
+
+drmServerInfo DRIDRMServerInfo = {
+ dri_drm_debug_print,
+ xf86LoadKernelModule,
+ dri_drm_get_perms,
+};
+
+Bool
+DRIExtensionInit(void)
+{
+ if (DRIGeneration != serverGeneration) {
+ return FALSE;
+ }
+
+ DRIDrawablePrivResType = CreateNewResourceType(DRIDrawablePrivDelete,
+ "DRIDrawable");
+ DRIContextPrivResType = CreateNewResourceType(DRIContextPrivDelete,
+ "DRIContext");
+
+ if (!DRIDrawablePrivResType || !DRIContextPrivResType)
+ return FALSE;
+
+ RegisterBlockAndWakeupHandlers(DRIBlockHandler, DRIWakeupHandler, NULL);
+
+ return TRUE;
+}
+
+void
+DRIReset(void)
+{
+ /*
+ * This stub routine is called when the X Server recycles, resources
+ * allocated by DRIExtensionInit need to be managed here.
+ *
+ * Currently this routine is a stub because all the interesting resources
+ * are managed via the screen init process.
+ */
+}
+
+Bool
+DRIQueryDirectRenderingCapable(ScreenPtr pScreen, Bool* isCapable)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (pDRIPriv)
+ *isCapable = pDRIPriv->directRenderingSupport;
+ else
+ *isCapable = FALSE;
+
+ return TRUE;
+}
+
+Bool
+DRIOpenConnection(ScreenPtr pScreen, drm_handle_t * hSAREA, char **busIdString)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ *hSAREA = pDRIPriv->hSAREA;
+ *busIdString = pDRIPriv->pDriverInfo->busIdString;
+
+ return TRUE;
+}
+
+Bool
+DRIAuthConnection(ScreenPtr pScreen, drm_magic_t magic)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (drmAuthMagic(pDRIPriv->drmFD, magic)) return FALSE;
+ return TRUE;
+}
+
+Bool
+DRICloseConnection(ScreenPtr pScreen)
+{
+ return TRUE;
+}
+
+Bool
+DRIGetClientDriverName(ScreenPtr pScreen,
+ int *ddxDriverMajorVersion,
+ int *ddxDriverMinorVersion,
+ int *ddxDriverPatchVersion,
+ char **clientDriverName)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ *ddxDriverMajorVersion = pDRIPriv->pDriverInfo->ddxDriverMajorVersion;
+ *ddxDriverMinorVersion = pDRIPriv->pDriverInfo->ddxDriverMinorVersion;
+ *ddxDriverPatchVersion = pDRIPriv->pDriverInfo->ddxDriverPatchVersion;
+ *clientDriverName = pDRIPriv->pDriverInfo->clientDriverName;
+
+ return TRUE;
+}
+
+/* DRICreateContextPriv and DRICreateContextPrivFromHandle are helper
+ functions that layer on drmCreateContext and drmAddContextTag.
+
+ DRICreateContextPriv always creates a kernel drm_context_t and then calls
+ DRICreateContextPrivFromHandle to create a DRIContextPriv structure for
+ DRI tracking. For the SIGIO handler, the drm_context_t is associated with
+ DRIContextPrivPtr. Any special flags are stored in the DRIContextPriv
+ area and are passed to the kernel (if necessary).
+
+ DRICreateContextPriv returns a pointer to newly allocated
+ DRIContextPriv, and returns the kernel drm_context_t in pHWContext. */
+
+DRIContextPrivPtr
+DRICreateContextPriv(ScreenPtr pScreen,
+ drm_context_t * pHWContext,
+ DRIContextFlags flags)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (drmCreateContext(pDRIPriv->drmFD, pHWContext)) {
+ return NULL;
+ }
+
+ return DRICreateContextPrivFromHandle(pScreen, *pHWContext, flags);
+}
+
+DRIContextPrivPtr
+DRICreateContextPrivFromHandle(ScreenPtr pScreen,
+ drm_context_t hHWContext,
+ DRIContextFlags flags)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIContextPrivPtr pDRIContextPriv;
+ int contextPrivSize;
+
+ contextPrivSize = sizeof(DRIContextPrivRec) +
+ pDRIPriv->pDriverInfo->contextSize;
+ if (!(pDRIContextPriv = calloc(1, contextPrivSize))) {
+ return NULL;
+ }
+ pDRIContextPriv->pContextStore = (void *)(pDRIContextPriv + 1);
+
+ drmAddContextTag(pDRIPriv->drmFD, hHWContext, pDRIContextPriv);
+
+ pDRIContextPriv->hwContext = hHWContext;
+ pDRIContextPriv->pScreen = pScreen;
+ pDRIContextPriv->flags = flags;
+ pDRIContextPriv->valid3D = FALSE;
+
+ if (flags & DRI_CONTEXT_2DONLY) {
+ if (drmSetContextFlags(pDRIPriv->drmFD,
+ hHWContext,
+ DRM_CONTEXT_2DONLY)) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[drm] failed to set 2D context flag\n");
+ DRIDestroyContextPriv(pDRIContextPriv);
+ return NULL;
+ }
+ }
+ if (flags & DRI_CONTEXT_PRESERVED) {
+ if (drmSetContextFlags(pDRIPriv->drmFD,
+ hHWContext,
+ DRM_CONTEXT_PRESERVED)) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[drm] failed to set preserved flag\n");
+ DRIDestroyContextPriv(pDRIContextPriv);
+ return NULL;
+ }
+ }
+ return pDRIContextPriv;
+}
+
+Bool
+DRIDestroyContextPriv(DRIContextPrivPtr pDRIContextPriv)
+{
+ DRIScreenPrivPtr pDRIPriv;
+
+ if (!pDRIContextPriv) return TRUE;
+
+ pDRIPriv = DRI_SCREEN_PRIV(pDRIContextPriv->pScreen);
+
+ if (!(pDRIContextPriv->flags & DRI_CONTEXT_RESERVED)) {
+ /* Don't delete reserved contexts from
+ kernel area -- the kernel manages its
+ reserved contexts itself. */
+ if (drmDestroyContext(pDRIPriv->drmFD, pDRIContextPriv->hwContext))
+ return FALSE;
+ }
+
+ /* Remove the tag last to prevent a race
+ condition where the context has pending
+ buffers. The context can't be re-used
+ while in this thread, but buffers can be
+ dispatched asynchronously. */
+ drmDelContextTag(pDRIPriv->drmFD, pDRIContextPriv->hwContext);
+ free(pDRIContextPriv);
+ return TRUE;
+}
+
+static Bool
+DRICreateDummyContext(ScreenPtr pScreen, Bool needCtxPriv)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIContextPrivPtr pDRIContextPriv;
+ void *contextStore;
+
+ if (!(pDRIContextPriv =
+ DRICreateContextPriv(pScreen,
+ &pDRIPriv->pSAREA->dummy_context, 0))) {
+ return FALSE;
+ }
+
+ contextStore = DRIGetContextStore(pDRIContextPriv);
+ if (pDRIPriv->pDriverInfo->CreateContext && needCtxPriv) {
+ if (!pDRIPriv->pDriverInfo->CreateContext(pScreen, NULL,
+ pDRIPriv->pSAREA->dummy_context,
+ NULL,
+ (DRIContextType)(long)contextStore)) {
+ DRIDestroyContextPriv(pDRIContextPriv);
+ return FALSE;
+ }
+ }
+
+ pDRIPriv->dummyCtxPriv = pDRIContextPriv;
+ return TRUE;
+}
+
+static void
+DRIDestroyDummyContext(ScreenPtr pScreen, Bool hasCtxPriv)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIContextPrivPtr pDRIContextPriv = pDRIPriv->dummyCtxPriv;
+ void *contextStore;
+
+ if (!pDRIContextPriv) return;
+ if (pDRIPriv->pDriverInfo->DestroyContext && hasCtxPriv) {
+ contextStore = DRIGetContextStore(pDRIContextPriv);
+ pDRIPriv->pDriverInfo->DestroyContext(pDRIContextPriv->pScreen,
+ pDRIContextPriv->hwContext,
+ (DRIContextType)(long)contextStore);
+ }
+
+ DRIDestroyContextPriv(pDRIPriv->dummyCtxPriv);
+ pDRIPriv->dummyCtxPriv = NULL;
+}
+
+Bool
+DRICreateContext(ScreenPtr pScreen, VisualPtr visual,
+ XID context, drm_context_t * pHWContext)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIContextPrivPtr pDRIContextPriv;
+ void *contextStore;
+
+ if (pDRIPriv->createDummyCtx && !pDRIPriv->dummyCtxPriv) {
+ if (!DRICreateDummyContext(pScreen, pDRIPriv->createDummyCtxPriv)) {
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[drm] Could not create dummy context\n");
+ return FALSE;
+ }
+ }
+
+ if (!(pDRIContextPriv = DRICreateContextPriv(pScreen, pHWContext, 0))) {
+ return FALSE;
+ }
+
+ contextStore = DRIGetContextStore(pDRIContextPriv);
+ if (pDRIPriv->pDriverInfo->CreateContext) {
+ if (!((*pDRIPriv->pDriverInfo->CreateContext)(pScreen, NULL,
+ *pHWContext, NULL,
+ (DRIContextType)(long)contextStore))) {
+ DRIDestroyContextPriv(pDRIContextPriv);
+ return FALSE;
+ }
+ }
+
+ /* track this in case the client dies before cleanup */
+ AddResource(context, DRIContextPrivResType, (pointer)pDRIContextPriv);
+
+ return TRUE;
+}
+
+Bool
+DRIDestroyContext(ScreenPtr pScreen, XID context)
+{
+ FreeResourceByType(context, DRIContextPrivResType, FALSE);
+
+ return TRUE;
+}
+
+/* DRIContextPrivDelete is called by the resource manager. */
+Bool
+DRIContextPrivDelete(pointer pResource, XID id)
+{
+ DRIContextPrivPtr pDRIContextPriv = (DRIContextPrivPtr)pResource;
+ DRIScreenPrivPtr pDRIPriv;
+ void *contextStore;
+
+ pDRIPriv = DRI_SCREEN_PRIV(pDRIContextPriv->pScreen);
+ if (pDRIPriv->pDriverInfo->DestroyContext) {
+ contextStore = DRIGetContextStore(pDRIContextPriv);
+ pDRIPriv->pDriverInfo->DestroyContext(pDRIContextPriv->pScreen,
+ pDRIContextPriv->hwContext,
+ (DRIContextType)(long)contextStore);
+ }
+ return DRIDestroyContextPriv(pDRIContextPriv);
+}
+
+
+/* This walks the drawable timestamp array and invalidates all of them
+ * in the case of transition from private to shared backbuffers. It's
+ * not necessary for correctness, because DRIClipNotify gets called in
+ * time to prevent any conflict, but the transition from
+ * shared->private is sometimes missed if we don't do this.
+ */
+static void
+DRIClipNotifyAllDrawables(ScreenPtr pScreen)
+{
+ int i;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ for( i=0; i < pDRIPriv->pDriverInfo->maxDrawableTableEntry; i++) {
+ pDRIPriv->pSAREA->drawableTable[i].stamp = DRIDrawableValidationStamp++;
+ }
+}
+
+
+static void
+DRITransitionToSharedBuffers(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
+
+ DRIClipNotifyAllDrawables( pScreen );
+
+ if (pDRIInfo->TransitionSingleToMulti3D)
+ pDRIInfo->TransitionSingleToMulti3D( pScreen );
+}
+
+
+static void
+DRITransitionToPrivateBuffers(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
+
+ DRIClipNotifyAllDrawables( pScreen );
+
+ if (pDRIInfo->TransitionMultiToSingle3D)
+ pDRIInfo->TransitionMultiToSingle3D( pScreen );
+}
+
+
+static void
+DRITransitionTo3d(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
+
+ DRIClipNotifyAllDrawables( pScreen );
+
+ if (pDRIInfo->TransitionTo3d)
+ pDRIInfo->TransitionTo3d( pScreen );
+}
+
+static void
+DRITransitionTo2d(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
+
+ DRIClipNotifyAllDrawables( pScreen );
+
+ if (pDRIInfo->TransitionTo2d)
+ pDRIInfo->TransitionTo2d( pScreen );
+}
+
+
+static int
+DRIDCNTreeTraversal(WindowPtr pWin, pointer data)
+{
+ DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
+
+ if (pDRIDrawablePriv) {
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (RegionNumRects(&pWin->clipList) > 0) {
+ WindowPtr *pDRIWindows = (WindowPtr*)data;
+ int i = 0;
+
+ while (pDRIWindows[i])
+ i++;
+
+ pDRIWindows[i] = pWin;
+
+ pDRIPriv->nrWalked++;
+ }
+
+ if (pDRIPriv->nrWindows == pDRIPriv->nrWalked)
+ return WT_STOPWALKING;
+ }
+
+ return WT_WALKCHILDREN;
+}
+
+static void
+DRIDriverClipNotify(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (pDRIPriv->pDriverInfo->ClipNotify) {
+ WindowPtr *pDRIWindows = calloc(sizeof(WindowPtr), pDRIPriv->nrWindows);
+ DRIInfoPtr pDRIInfo = pDRIPriv->pDriverInfo;
+
+ if (pDRIPriv->nrWindows > 0) {
+ pDRIPriv->nrWalked = 0;
+ TraverseTree(pScreen->root, DRIDCNTreeTraversal,
+ (pointer)pDRIWindows);
+ }
+
+ pDRIInfo->ClipNotify(pScreen, pDRIWindows, pDRIPriv->nrWindows);
+
+ free(pDRIWindows);
+ }
+}
+
+static void
+DRIIncreaseNumberVisible(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ switch (++pDRIPriv->nrWindowsVisible) {
+ case 1:
+ DRITransitionTo3d( pScreen );
+ break;
+ case 2:
+ DRITransitionToSharedBuffers( pScreen );
+ break;
+ default:
+ break;
+ }
+
+ DRIDriverClipNotify(pScreen);
+}
+
+static void
+DRIDecreaseNumberVisible(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ switch (--pDRIPriv->nrWindowsVisible) {
+ case 0:
+ DRITransitionTo2d( pScreen );
+ break;
+ case 1:
+ DRITransitionToPrivateBuffers( pScreen );
+ break;
+ default:
+ break;
+ }
+
+ DRIDriverClipNotify(pScreen);
+}
+
+Bool
+DRICreateDrawable(ScreenPtr pScreen, ClientPtr client, DrawablePtr pDrawable,
+ drm_drawable_t * hHWDrawable)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIDrawablePrivPtr pDRIDrawablePriv;
+ WindowPtr pWin;
+
+ if (pDrawable->type == DRAWABLE_WINDOW) {
+ pWin = (WindowPtr)pDrawable;
+ if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) {
+ pDRIDrawablePriv->refCount++;
+
+ if (!pDRIDrawablePriv->hwDrawable) {
+ drmCreateDrawable(pDRIPriv->drmFD, &pDRIDrawablePriv->hwDrawable);
+ }
+ }
+ else {
+ /* allocate a DRI Window Private record */
+ if (!(pDRIDrawablePriv = malloc(sizeof(DRIDrawablePrivRec)))) {
+ return FALSE;
+ }
+
+ /* Only create a drm_drawable_t once */
+ if (drmCreateDrawable(pDRIPriv->drmFD,
+ &pDRIDrawablePriv->hwDrawable)) {
+ free(pDRIDrawablePriv);
+ return FALSE;
+ }
+
+ /* add it to the list of DRI drawables for this screen */
+ pDRIDrawablePriv->pScreen = pScreen;
+ pDRIDrawablePriv->refCount = 1;
+ pDRIDrawablePriv->drawableIndex = -1;
+ pDRIDrawablePriv->nrects = RegionNumRects(&pWin->clipList);
+
+ /* save private off of preallocated index */
+ dixSetPrivate(&pWin->devPrivates, DRIWindowPrivKey,
+ pDRIDrawablePriv);
+ pDRIPriv->nrWindows++;
+
+ if (pDRIDrawablePriv->nrects)
+ DRIIncreaseNumberVisible(pScreen);
+ }
+
+ /* track this in case the client dies */
+ AddResource(FakeClientID(client->index), DRIDrawablePrivResType,
+ (pointer)(intptr_t)pDrawable->id);
+
+ if (pDRIDrawablePriv->hwDrawable) {
+ drmUpdateDrawableInfo(pDRIPriv->drmFD,
+ pDRIDrawablePriv->hwDrawable,
+ DRM_DRAWABLE_CLIPRECTS,
+ RegionNumRects(&pWin->clipList),
+ RegionRects(&pWin->clipList));
+ *hHWDrawable = pDRIDrawablePriv->hwDrawable;
+ }
+ }
+ else if (pDrawable->type != DRAWABLE_PIXMAP) { /* PBuffer */
+ /* NOT_DONE */
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void
+DRIDrawablePrivDestroy(WindowPtr pWin)
+{
+ DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
+ ScreenPtr pScreen;
+ DRIScreenPrivPtr pDRIPriv;
+
+ if (!pDRIDrawablePriv)
+ return;
+
+ pScreen = pWin->drawable.pScreen;
+ pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (pDRIDrawablePriv->drawableIndex != -1) {
+ /* bump stamp to force outstanding 3D requests to resync */
+ pDRIPriv->pSAREA->drawableTable[pDRIDrawablePriv->drawableIndex].stamp
+ = DRIDrawableValidationStamp++;
+
+ /* release drawable table entry */
+ pDRIPriv->DRIDrawables[pDRIDrawablePriv->drawableIndex] = NULL;
+ }
+
+ pDRIPriv->nrWindows--;
+
+ if (pDRIDrawablePriv->nrects)
+ DRIDecreaseNumberVisible(pScreen);
+
+ drmDestroyDrawable(pDRIPriv->drmFD, pDRIDrawablePriv->hwDrawable);
+
+ free(pDRIDrawablePriv);
+ dixSetPrivate(&pWin->devPrivates, DRIWindowPrivKey, NULL);
+}
+
+static Bool
+DRIDestroyDrawableCB(pointer value, XID id, pointer data)
+{
+ if (value == data) {
+ /* This calls back DRIDrawablePrivDelete which frees private area */
+ FreeResourceByType(id, DRIDrawablePrivResType, FALSE);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+Bool
+DRIDestroyDrawable(ScreenPtr pScreen, ClientPtr client, DrawablePtr pDrawable)
+{
+ if (pDrawable->type == DRAWABLE_WINDOW) {
+ LookupClientResourceComplex(client, DRIDrawablePrivResType,
+ DRIDestroyDrawableCB,
+ (pointer)(intptr_t)pDrawable->id);
+ }
+ else { /* pixmap (or for GLX 1.3, a PBuffer) */
+ /* NOT_DONE */
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+Bool
+DRIDrawablePrivDelete(pointer pResource, XID id)
+{
+ WindowPtr pWin;
+ int rc;
+
+ /* For DRIDrawablePrivResType, the XID is the client's fake ID. The
+ * important XID is the value in pResource. */
+ id = (XID)(intptr_t)pResource;
+ rc = dixLookupWindow(&pWin, id, serverClient, DixGetAttrAccess);
+
+ if (rc == Success) {
+ DRIDrawablePrivPtr pDRIDrwPriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
+
+ if (!pDRIDrwPriv)
+ return FALSE;
+
+ if (--pDRIDrwPriv->refCount == 0)
+ DRIDrawablePrivDestroy(pWin);
+
+ return TRUE;
+ }
+ else { /* pixmap (or for GLX 1.3, a PBuffer) */
+ /* NOT_DONE */
+ return FALSE;
+ }
+}
+
+Bool
+DRIGetDrawableInfo(ScreenPtr pScreen,
+ DrawablePtr pDrawable,
+ unsigned int* index,
+ unsigned int* stamp,
+ int* X,
+ int* Y,
+ int* W,
+ int* H,
+ int* numClipRects,
+ drm_clip_rect_t ** pClipRects,
+ int* backX,
+ int* backY,
+ int* numBackClipRects,
+ drm_clip_rect_t ** pBackClipRects)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIDrawablePrivPtr pDRIDrawablePriv, pOldDrawPriv;
+ WindowPtr pWin, pOldWin;
+ int i;
+
+#if 0
+ printf("maxDrawableTableEntry = %d\n", pDRIPriv->pDriverInfo->maxDrawableTableEntry);
+#endif
+
+ if (pDrawable->type == DRAWABLE_WINDOW) {
+ pWin = (WindowPtr)pDrawable;
+ if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) {
+
+ /* Manage drawable table */
+ if (pDRIDrawablePriv->drawableIndex == -1) { /* load SAREA table */
+
+ /* Search table for empty entry */
+ i = 0;
+ while (i < pDRIPriv->pDriverInfo->maxDrawableTableEntry) {
+ if (!(pDRIPriv->DRIDrawables[i])) {
+ pDRIPriv->DRIDrawables[i] = pDrawable;
+ pDRIDrawablePriv->drawableIndex = i;
+ pDRIPriv->pSAREA->drawableTable[i].stamp =
+ DRIDrawableValidationStamp++;
+ break;
+ }
+ i++;
+ }
+
+ /* Search table for oldest entry */
+ if (i == pDRIPriv->pDriverInfo->maxDrawableTableEntry) {
+ unsigned int oldestStamp = ~0;
+ int oldestIndex = 0;
+ i = pDRIPriv->pDriverInfo->maxDrawableTableEntry;
+ while (i--) {
+ if (pDRIPriv->pSAREA->drawableTable[i].stamp <
+ oldestStamp) {
+ oldestIndex = i;
+ oldestStamp =
+ pDRIPriv->pSAREA->drawableTable[i].stamp;
+ }
+ }
+ pDRIDrawablePriv->drawableIndex = oldestIndex;
+
+ /* release oldest drawable table entry */
+ pOldWin = (WindowPtr)pDRIPriv->DRIDrawables[oldestIndex];
+ pOldDrawPriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pOldWin);
+ pOldDrawPriv->drawableIndex = -1;
+
+ /* claim drawable table entry */
+ pDRIPriv->DRIDrawables[oldestIndex] = pDrawable;
+
+ /* validate SAREA entry */
+ pDRIPriv->pSAREA->drawableTable[oldestIndex].stamp =
+ DRIDrawableValidationStamp++;
+
+ /* check for stamp wrap around */
+ if (oldestStamp > DRIDrawableValidationStamp) {
+
+ /* walk SAREA table and invalidate all drawables */
+ for( i=0;
+ i < pDRIPriv->pDriverInfo->maxDrawableTableEntry;
+ i++) {
+ pDRIPriv->pSAREA->drawableTable[i].stamp =
+ DRIDrawableValidationStamp++;
+ }
+ }
+ }
+
+ /* If the driver wants to be notified when the index is
+ * set for a drawable, let it know now.
+ */
+ if (pDRIPriv->pDriverInfo->SetDrawableIndex)
+ pDRIPriv->pDriverInfo->SetDrawableIndex(pWin,
+ pDRIDrawablePriv->drawableIndex);
+
+ /* reinit drawable ID if window is visible */
+ if ((pWin->viewable) &&
+ (pDRIPriv->pDriverInfo->bufferRequests != DRI_NO_WINDOWS))
+ {
+ (*pDRIPriv->pDriverInfo->InitBuffers)(pWin,
+ &pWin->clipList, pDRIDrawablePriv->drawableIndex);
+ }
+ }
+
+ *index = pDRIDrawablePriv->drawableIndex;
+ *stamp = pDRIPriv->pSAREA->drawableTable[*index].stamp;
+ *X = (int)(pWin->drawable.x);
+ *Y = (int)(pWin->drawable.y);
+ *W = (int)(pWin->drawable.width);
+ *H = (int)(pWin->drawable.height);
+ *numClipRects = RegionNumRects(&pWin->clipList);
+ *pClipRects = (drm_clip_rect_t *)RegionRects(&pWin->clipList);
+
+ if (!*numClipRects && pDRIPriv->fullscreen) {
+ /* use fake full-screen clip rect */
+ pDRIPriv->fullscreen_rect.x1 = *X;
+ pDRIPriv->fullscreen_rect.y1 = *Y;
+ pDRIPriv->fullscreen_rect.x2 = *X + *W;
+ pDRIPriv->fullscreen_rect.y2 = *Y + *H;
+
+ *numClipRects = 1;
+ *pClipRects = &pDRIPriv->fullscreen_rect;
+ }
+
+ *backX = *X;
+ *backY = *Y;
+
+ if (pDRIPriv->nrWindowsVisible == 1 && *numClipRects) {
+ /* Use a single cliprect. */
+
+ int x0 = *X;
+ int y0 = *Y;
+ int x1 = x0 + *W;
+ int y1 = y0 + *H;
+
+ if (x0 < 0) x0 = 0;
+ if (y0 < 0) y0 = 0;
+ if (x1 > pScreen->width) x1 = pScreen->width;
+ if (y1 > pScreen->height) y1 = pScreen->height;
+
+ if (y0 >= y1 || x0 >= x1) {
+ *numBackClipRects = 0;
+ *pBackClipRects = NULL;
+ } else {
+ pDRIPriv->private_buffer_rect.x1 = x0;
+ pDRIPriv->private_buffer_rect.y1 = y0;
+ pDRIPriv->private_buffer_rect.x2 = x1;
+ pDRIPriv->private_buffer_rect.y2 = y1;
+
+ *numBackClipRects = 1;
+ *pBackClipRects = &(pDRIPriv->private_buffer_rect);
+ }
+ } else {
+ /* Use the frontbuffer cliprects for back buffers. */
+ *numBackClipRects = 0;
+ *pBackClipRects = 0;
+ }
+ }
+ else {
+ /* Not a DRIDrawable */
+ return FALSE;
+ }
+ }
+ else { /* pixmap (or for GLX 1.3, a PBuffer) */
+ /* NOT_DONE */
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+Bool
+DRIGetDeviceInfo(ScreenPtr pScreen,
+ drm_handle_t * hFrameBuffer,
+ int* fbOrigin,
+ int* fbSize,
+ int* fbStride,
+ int* devPrivateSize,
+ void** pDevPrivate)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ *hFrameBuffer = pDRIPriv->pDriverInfo->hFrameBuffer;
+ *fbOrigin = 0;
+ *fbSize = pDRIPriv->pDriverInfo->frameBufferSize;
+ *fbStride = pDRIPriv->pDriverInfo->frameBufferStride;
+ *devPrivateSize = pDRIPriv->pDriverInfo->devPrivateSize;
+ *pDevPrivate = pDRIPriv->pDriverInfo->devPrivate;
+
+ return TRUE;
+}
+
+DRIInfoPtr
+DRICreateInfoRec(void)
+{
+ DRIInfoPtr inforec = (DRIInfoPtr)calloc(1, sizeof(DRIInfoRec));
+ if (!inforec) return NULL;
+
+ /* Initialize defaults */
+ inforec->busIdString = NULL;
+
+ /* Wrapped function defaults */
+ inforec->wrap.WakeupHandler = DRIDoWakeupHandler;
+ inforec->wrap.BlockHandler = DRIDoBlockHandler;
+ inforec->wrap.WindowExposures = DRIWindowExposures;
+ inforec->wrap.CopyWindow = DRICopyWindow;
+ inforec->wrap.ValidateTree = DRIValidateTree;
+ inforec->wrap.PostValidateTree = DRIPostValidateTree;
+ inforec->wrap.ClipNotify = DRIClipNotify;
+ inforec->wrap.AdjustFrame = DRIAdjustFrame;
+
+ inforec->TransitionTo2d = 0;
+ inforec->TransitionTo3d = 0;
+ inforec->SetDrawableIndex = 0;
+
+ return inforec;
+}
+
+void
+DRIDestroyInfoRec(DRIInfoPtr DRIInfo)
+{
+ free(DRIInfo->busIdString);
+ free((char*)DRIInfo);
+}
+
+
+void
+DRIWakeupHandler(pointer wakeupData, int result, pointer pReadmask)
+{
+ int i;
+
+ for (i = 0; i < screenInfo.numScreens; i++) {
+ ScreenPtr pScreen = screenInfo.screens[i];
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (pDRIPriv &&
+ pDRIPriv->pDriverInfo->wrap.WakeupHandler)
+ (*pDRIPriv->pDriverInfo->wrap.WakeupHandler)(i, wakeupData,
+ result, pReadmask);
+ }
+}
+
+void
+DRIBlockHandler(pointer blockData, OSTimePtr pTimeout, pointer pReadmask)
+{
+ int i;
+
+ for (i = 0; i < screenInfo.numScreens; i++) {
+ ScreenPtr pScreen = screenInfo.screens[i];
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (pDRIPriv &&
+ pDRIPriv->pDriverInfo->wrap.BlockHandler)
+ (*pDRIPriv->pDriverInfo->wrap.BlockHandler)(i, blockData,
+ pTimeout, pReadmask);
+ }
+}
+
+void
+DRIDoWakeupHandler(int screenNum, pointer wakeupData,
+ unsigned long result, pointer pReadmask)
+{
+ ScreenPtr pScreen = screenInfo.screens[screenNum];
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ DRILock(pScreen, 0);
+ if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) {
+ /* hide X context by swapping 2D component here */
+ (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
+ DRI_3D_SYNC,
+ DRI_2D_CONTEXT,
+ pDRIPriv->partial3DContextStore,
+ DRI_2D_CONTEXT,
+ pDRIPriv->hiddenContextStore);
+ }
+}
+
+void
+DRIDoBlockHandler(int screenNum, pointer blockData,
+ pointer pTimeout, pointer pReadmask)
+{
+ ScreenPtr pScreen = screenInfo.screens[screenNum];
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) {
+ /* hide X context by swapping 2D component here */
+ (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
+ DRI_2D_SYNC,
+ DRI_NO_CONTEXT,
+ NULL,
+ DRI_2D_CONTEXT,
+ pDRIPriv->partial3DContextStore);
+ }
+
+ if (pDRIPriv->windowsTouched)
+ DRM_SPINUNLOCK(&pDRIPriv->pSAREA->drawable_lock, 1);
+ pDRIPriv->windowsTouched = FALSE;
+
+ DRIUnlock(pScreen);
+}
+
+void
+DRISwapContext(int drmFD, void *oldctx, void *newctx)
+{
+ DRIContextPrivPtr oldContext = (DRIContextPrivPtr)oldctx;
+ DRIContextPrivPtr newContext = (DRIContextPrivPtr)newctx;
+ ScreenPtr pScreen = newContext->pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ void* oldContextStore = NULL;
+ DRIContextType oldContextType;
+ void* newContextStore = NULL;
+ DRIContextType newContextType;
+ DRISyncType syncType;
+#ifdef DEBUG
+ static int count = 0;
+
+ if (!newContext) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI] Context Switch Error: oldContext=%x, newContext=%x\n",
+ oldContext, newContext);
+ return;
+ }
+
+ /* usefull for debugging, just print out after n context switches */
+ if (!count || !(count % 1)) {
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[DRI] Context switch %5d from %p/0x%08x (%d)\n",
+ count,
+ oldContext,
+ oldContext ? oldContext->flags : 0,
+ oldContext ? oldContext->hwContext : -1);
+ DRIDrvMsg(pScreen->myNum, X_INFO,
+ "[DRI] Context switch %5d to %p/0x%08x (%d)\n",
+ count,
+ newContext,
+ newContext ? newContext->flags : 0,
+ newContext ? newContext->hwContext : -1);
+ }
+ ++count;
+#endif
+
+ if (!pDRIPriv->pDriverInfo->SwapContext) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI] DDX driver missing context swap call back\n");
+ return;
+ }
+
+ if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) {
+
+ /* only 3D contexts are swapped in this case */
+ if (oldContext) {
+ oldContextStore = DRIGetContextStore(oldContext);
+ oldContext->valid3D = TRUE;
+ oldContextType = DRI_3D_CONTEXT;
+ } else {
+ oldContextType = DRI_NO_CONTEXT;
+ }
+ newContextStore = DRIGetContextStore(newContext);
+ if ((newContext->valid3D) &&
+ (newContext->hwContext != pDRIPriv->myContext)) {
+ newContextType = DRI_3D_CONTEXT;
+ }
+ else {
+ newContextType = DRI_2D_CONTEXT;
+ }
+ syncType = DRI_3D_SYNC;
+ }
+ else /* default: driverSwapMethod == DRI_SERVER_SWAP */ {
+
+ /* optimize 2D context swaps */
+
+ if (newContext->flags & DRI_CONTEXT_2DONLY) {
+ /* go from 3D context to 2D context and only save 2D
+ * subset of 3D state
+ */
+ oldContextStore = DRIGetContextStore(oldContext);
+ oldContextType = DRI_2D_CONTEXT;
+ newContextStore = DRIGetContextStore(newContext);
+ newContextType = DRI_2D_CONTEXT;
+ syncType = DRI_3D_SYNC;
+ pDRIPriv->lastPartial3DContext = oldContext;
+ }
+ else if (oldContext->flags & DRI_CONTEXT_2DONLY) {
+ if (pDRIPriv->lastPartial3DContext == newContext) {
+ /* go from 2D context back to previous 3D context and
+ * only restore 2D subset of previous 3D state
+ */
+ oldContextStore = DRIGetContextStore(oldContext);
+ oldContextType = DRI_2D_CONTEXT;
+ newContextStore = DRIGetContextStore(newContext);
+ newContextType = DRI_2D_CONTEXT;
+ syncType = DRI_2D_SYNC;
+ }
+ else {
+ /* go from 2D context to a different 3D context */
+
+ /* call DDX driver to do partial restore */
+ oldContextStore = DRIGetContextStore(oldContext);
+ newContextStore =
+ DRIGetContextStore(pDRIPriv->lastPartial3DContext);
+ (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
+ DRI_2D_SYNC,
+ DRI_2D_CONTEXT,
+ oldContextStore,
+ DRI_2D_CONTEXT,
+ newContextStore);
+
+ /* now setup for a complete 3D swap */
+ oldContextStore = newContextStore;
+ oldContext->valid3D = TRUE;
+ oldContextType = DRI_3D_CONTEXT;
+ newContextStore = DRIGetContextStore(newContext);
+ if ((newContext->valid3D) &&
+ (newContext->hwContext != pDRIPriv->myContext)) {
+ newContextType = DRI_3D_CONTEXT;
+ }
+ else {
+ newContextType = DRI_2D_CONTEXT;
+ }
+ syncType = DRI_NO_SYNC;
+ }
+ }
+ else {
+ /* now setup for a complete 3D swap */
+ oldContextStore = newContextStore;
+ oldContext->valid3D = TRUE;
+ oldContextType = DRI_3D_CONTEXT;
+ newContextStore = DRIGetContextStore(newContext);
+ if ((newContext->valid3D) &&
+ (newContext->hwContext != pDRIPriv->myContext)) {
+ newContextType = DRI_3D_CONTEXT;
+ }
+ else {
+ newContextType = DRI_2D_CONTEXT;
+ }
+ syncType = DRI_3D_SYNC;
+ }
+ }
+
+ /* call DDX driver to perform the swap */
+ (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
+ syncType,
+ oldContextType,
+ oldContextStore,
+ newContextType,
+ newContextStore);
+}
+
+void*
+DRIGetContextStore(DRIContextPrivPtr context)
+{
+ return((void *)context->pContextStore);
+}
+
+void
+DRIWindowExposures(WindowPtr pWin, RegionPtr prgn, RegionPtr bsreg)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
+
+ if(pDRIDrawablePriv) {
+ (*pDRIPriv->pDriverInfo->InitBuffers)(pWin, prgn,
+ pDRIDrawablePriv->drawableIndex);
+ }
+
+ /* call lower wrapped functions */
+ if (pDRIPriv && pDRIPriv->wrap.WindowExposures) {
+
+ /* unwrap */
+ pScreen->WindowExposures = pDRIPriv->wrap.WindowExposures;
+
+ /* call lower layers */
+ (*pScreen->WindowExposures)(pWin, prgn, bsreg);
+
+ /* rewrap */
+ pDRIPriv->wrap.WindowExposures = pScreen->WindowExposures;
+ pScreen->WindowExposures = DRIWindowExposures;
+ }
+}
+
+
+static int
+DRITreeTraversal(WindowPtr pWin, pointer data)
+{
+ DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
+
+ if(pDRIDrawablePriv) {
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if(RegionNumRects(&(pWin->clipList)) > 0) {
+ RegionPtr reg = (RegionPtr)data;
+
+ RegionUnion(reg, reg, &(pWin->clipList));
+ pDRIPriv->nrWalked++;
+ }
+
+ if(pDRIPriv->nrWindows == pDRIPriv->nrWalked)
+ return WT_STOPWALKING;
+ }
+ return WT_WALKCHILDREN;
+}
+
+Bool
+DRIDestroyWindow(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ Bool retval = TRUE;
+
+ DRIDrawablePrivDestroy(pWin);
+
+ /* call lower wrapped functions */
+ if(pDRIPriv->DestroyWindow) {
+ /* unwrap */
+ pScreen->DestroyWindow = pDRIPriv->DestroyWindow;
+
+ /* call lower layers */
+ retval = (*pScreen->DestroyWindow)(pWin);
+
+ /* rewrap */
+ pDRIPriv->DestroyWindow = pScreen->DestroyWindow;
+ pScreen->DestroyWindow = DRIDestroyWindow;
+ }
+
+ return retval;
+}
+
+void
+DRICopyWindow(WindowPtr pWin, DDXPointRec ptOldOrg, RegionPtr prgnSrc)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if(!pDRIPriv) return;
+
+ if(pDRIPriv->nrWindowsVisible > 0) {
+ RegionRec reg;
+
+ RegionNull(&reg);
+ pDRIPriv->nrWalked = 0;
+ TraverseTree(pWin, DRITreeTraversal, (pointer)(&reg));
+
+ if(RegionNotEmpty(&reg)) {
+ RegionTranslate(&reg, ptOldOrg.x - pWin->drawable.x,
+ ptOldOrg.y - pWin->drawable.y);
+ RegionIntersect(&reg, &reg, prgnSrc);
+
+ /* The MoveBuffers interface is not ideal */
+ (*pDRIPriv->pDriverInfo->MoveBuffers)(pWin, ptOldOrg, &reg,
+ pDRIPriv->pDriverInfo->ddxDrawableTableEntry);
+ }
+
+ RegionUninit(&reg);
+ }
+
+ /* call lower wrapped functions */
+ if(pDRIPriv->wrap.CopyWindow) {
+ /* unwrap */
+ pScreen->CopyWindow = pDRIPriv->wrap.CopyWindow;
+
+ /* call lower layers */
+ (*pScreen->CopyWindow)(pWin, ptOldOrg, prgnSrc);
+
+ /* rewrap */
+ pDRIPriv->wrap.CopyWindow = pScreen->CopyWindow;
+ pScreen->CopyWindow = DRICopyWindow;
+ }
+}
+
+static void
+DRIGetSecs(long *secs, long *usecs)
+{
+ struct timeval tv;
+
+ gettimeofday(&tv, NULL);
+
+ *secs = tv.tv_sec;
+ *usecs = tv.tv_usec;
+}
+
+static unsigned long
+DRIComputeMilliSeconds(unsigned long s_secs, unsigned long s_usecs,
+ unsigned long f_secs, unsigned long f_usecs)
+{
+ if (f_usecs < s_usecs) {
+ --f_secs;
+ f_usecs += 1000000;
+ }
+ return (f_secs - s_secs) * 1000 + (f_usecs - s_usecs) / 1000;
+}
+
+static void
+DRISpinLockTimeout(drmLock *lock, int val, unsigned long timeout /* in mS */)
+{
+ int count = 10000;
+#if !defined(__alpha__) && !defined(__powerpc__)
+ char ret;
+#else
+ int ret;
+#endif
+ long s_secs, s_usecs;
+ long f_secs, f_usecs;
+ long msecs;
+ long prev = 0;
+
+ DRIGetSecs(&s_secs, &s_usecs);
+
+ do {
+ DRM_SPINLOCK_COUNT(lock, val, count, ret);
+ if (!ret) return; /* Got lock */
+ DRIGetSecs(&f_secs, &f_usecs);
+ msecs = DRIComputeMilliSeconds(s_secs, s_usecs, f_secs, f_usecs);
+ if (msecs - prev < 250) count *= 2; /* Not more than 0.5S */
+ } while (msecs < timeout);
+
+ /* Didn't get lock, so take it. The worst
+ that can happen is that there is some
+ garbage written to the wrong part of the
+ framebuffer that a refresh will repair.
+ That's undesirable, but better than
+ locking the server. This should be a
+ very rare event. */
+ DRM_SPINLOCK_TAKE(lock, val);
+}
+
+static void
+DRILockTree(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if(!pDRIPriv) return;
+
+ /* Restore the last known 3D context if the X context is hidden */
+ if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) {
+ (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
+ DRI_2D_SYNC,
+ DRI_NO_CONTEXT,
+ NULL,
+ DRI_2D_CONTEXT,
+ pDRIPriv->partial3DContextStore);
+ }
+
+ /* Call kernel to release lock */
+ DRIUnlock(pScreen);
+
+ /* Grab drawable spin lock: a time out between 10 and 30 seconds is
+ appropriate, since this should never time out except in the case of
+ client death while the lock is being held. The timeout must be
+ greater than any reasonable rendering time. */
+ DRISpinLockTimeout(&pDRIPriv->pSAREA->drawable_lock, 1, 10000); /*10 secs*/
+
+ /* Call kernel flush outstanding buffers and relock */
+ DRILock(pScreen, DRM_LOCK_QUIESCENT|DRM_LOCK_FLUSH_ALL);
+
+ /* Switch back to our 2D context if the X context is hidden */
+ if (pDRIPriv->pDriverInfo->driverSwapMethod == DRI_HIDE_X_CONTEXT) {
+ /* hide X context by swapping 2D component here */
+ (*pDRIPriv->pDriverInfo->SwapContext)(pScreen,
+ DRI_3D_SYNC,
+ DRI_2D_CONTEXT,
+ pDRIPriv->partial3DContextStore,
+ DRI_2D_CONTEXT,
+ pDRIPriv->hiddenContextStore);
+ }
+}
+
+int
+DRIValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind)
+{
+ ScreenPtr pScreen = pParent->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ int returnValue = 1; /* always return 1, not checked by dix/window.c */
+
+ if(!pDRIPriv) return returnValue;
+
+ /* call lower wrapped functions */
+ if(pDRIPriv->wrap.ValidateTree) {
+ /* unwrap */
+ pScreen->ValidateTree = pDRIPriv->wrap.ValidateTree;
+
+ /* call lower layers */
+ returnValue = (*pScreen->ValidateTree)(pParent, pChild, kind);
+
+ /* rewrap */
+ pDRIPriv->wrap.ValidateTree = pScreen->ValidateTree;
+ pScreen->ValidateTree = DRIValidateTree;
+ }
+
+ return returnValue;
+}
+
+void
+DRIPostValidateTree(WindowPtr pParent, WindowPtr pChild, VTKind kind)
+{
+ ScreenPtr pScreen;
+ DRIScreenPrivPtr pDRIPriv;
+
+ if (pParent) {
+ pScreen = pParent->drawable.pScreen;
+ } else {
+ pScreen = pChild->drawable.pScreen;
+ }
+ if(!(pDRIPriv = DRI_SCREEN_PRIV(pScreen))) return;
+
+ if (pDRIPriv->wrap.PostValidateTree) {
+ /* unwrap */
+ pScreen->PostValidateTree = pDRIPriv->wrap.PostValidateTree;
+
+ /* call lower layers */
+ (*pScreen->PostValidateTree)(pParent, pChild, kind);
+
+ /* rewrap */
+ pDRIPriv->wrap.PostValidateTree = pScreen->PostValidateTree;
+ pScreen->PostValidateTree = DRIPostValidateTree;
+ }
+}
+
+void
+DRIClipNotify(WindowPtr pWin, int dx, int dy)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIDrawablePrivPtr pDRIDrawablePriv;
+
+ if(!pDRIPriv) return;
+
+ if ((pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin))) {
+ int nrects = RegionNumRects(&pWin->clipList);
+
+ if(!pDRIPriv->windowsTouched) {
+ DRILockTree(pScreen);
+ pDRIPriv->windowsTouched = TRUE;
+ }
+
+ if (nrects && !pDRIDrawablePriv->nrects)
+ DRIIncreaseNumberVisible(pScreen);
+ else if (!nrects && pDRIDrawablePriv->nrects)
+ DRIDecreaseNumberVisible(pScreen);
+ else
+ DRIDriverClipNotify(pScreen);
+
+ pDRIDrawablePriv->nrects = nrects;
+
+ pDRIPriv->pSAREA->drawableTable[pDRIDrawablePriv->drawableIndex].stamp
+ = DRIDrawableValidationStamp++;
+
+ drmUpdateDrawableInfo(pDRIPriv->drmFD, pDRIDrawablePriv->hwDrawable,
+ DRM_DRAWABLE_CLIPRECTS,
+ nrects, RegionRects(&pWin->clipList));
+ }
+
+ /* call lower wrapped functions */
+ if(pDRIPriv->wrap.ClipNotify) {
+
+ /* unwrap */
+ pScreen->ClipNotify = pDRIPriv->wrap.ClipNotify;
+
+ /* call lower layers */
+ (*pScreen->ClipNotify)(pWin, dx, dy);
+
+ /* rewrap */
+ pDRIPriv->wrap.ClipNotify = pScreen->ClipNotify;
+ pScreen->ClipNotify = DRIClipNotify;
+ }
+}
+
+CARD32
+DRIGetDrawableIndex(WindowPtr pWin)
+{
+ ScreenPtr pScreen = pWin->drawable.pScreen;
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ DRIDrawablePrivPtr pDRIDrawablePriv = DRI_DRAWABLE_PRIV_FROM_WINDOW(pWin);
+ CARD32 index;
+
+ if (pDRIDrawablePriv) {
+ index = pDRIDrawablePriv->drawableIndex;
+ }
+ else {
+ index = pDRIPriv->pDriverInfo->ddxDrawableTableEntry;
+ }
+
+ return index;
+}
+
+unsigned int
+DRIGetDrawableStamp(ScreenPtr pScreen, CARD32 drawable_index)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ return pDRIPriv->pSAREA->drawableTable[drawable_index].stamp;
+}
+
+
+void
+DRIPrintDrawableLock(ScreenPtr pScreen, char *msg)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ ErrorF("%s: %d\n", msg, pDRIPriv->pSAREA->drawable_lock.lock);
+}
+
+void
+DRILock(ScreenPtr pScreen, int flags)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if(!pDRIPriv || !pDRIPriv->pLockRefCount) return;
+
+ if (!*pDRIPriv->pLockRefCount) {
+ DRM_LOCK(pDRIPriv->drmFD, pDRIPriv->pLSAREA, pDRIPriv->myContext, flags);
+ *pDRIPriv->pLockingContext = pDRIPriv->myContext;
+ } else if (*pDRIPriv->pLockingContext != pDRIPriv->myContext) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI] Locking deadlock.\n"
+ "\tAlready locked with context %d,\n"
+ "\ttrying to lock with context %d.\n",
+ pDRIPriv->pLockingContext,
+ pDRIPriv->myContext);
+ }
+ (*pDRIPriv->pLockRefCount)++;
+}
+
+void
+DRIUnlock(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if(!pDRIPriv || !pDRIPriv->pLockRefCount) return;
+
+ if (*pDRIPriv->pLockRefCount > 0) {
+ if (pDRIPriv->myContext != *pDRIPriv->pLockingContext) {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "[DRI] Unlocking inconsistency:\n"
+ "\tContext %d trying to unlock lock held by context %d\n",
+ pDRIPriv->pLockingContext,
+ pDRIPriv->myContext);
+ }
+ (*pDRIPriv->pLockRefCount)--;
+ } else {
+ DRIDrvMsg(pScreen->myNum, X_ERROR,
+ "DRIUnlock called when not locked.\n");
+ return;
+ }
+ if (! *pDRIPriv->pLockRefCount)
+ DRM_UNLOCK(pDRIPriv->drmFD, pDRIPriv->pLSAREA, pDRIPriv->myContext);
+}
+
+void *
+DRIGetSAREAPrivate(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ if (!pDRIPriv) return 0;
+
+ return (void *)(((char*)pDRIPriv->pSAREA)+sizeof(XF86DRISAREARec));
+}
+
+drm_context_t
+DRIGetContext(ScreenPtr pScreen)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ if (!pDRIPriv) return 0;
+
+ return pDRIPriv->myContext;
+}
+
+void
+DRIGetTexOffsetFuncs(ScreenPtr pScreen,
+ DRITexOffsetStartProcPtr *texOffsetStartFunc,
+ DRITexOffsetFinishProcPtr *texOffsetFinishFunc)
+{
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+
+ if (!pDRIPriv) return;
+
+ *texOffsetStartFunc = pDRIPriv->pDriverInfo->texOffsetStart;
+ *texOffsetFinishFunc = pDRIPriv->pDriverInfo->texOffsetFinish;
+}
+
+/* This lets get at the unwrapped functions so that they can correctly
+ * call the lowerlevel functions, and choose whether they will be
+ * called at every level of recursion (eg in validatetree).
+ */
+DRIWrappedFuncsRec *
+DRIGetWrappedFuncs(ScreenPtr pScreen)
+{
+ return &(DRI_SCREEN_PRIV(pScreen)->wrap);
+}
+
+/* note that this returns the library version, not the protocol version */
+void
+DRIQueryVersion(int *majorVersion,
+ int *minorVersion,
+ int *patchVersion)
+{
+ *majorVersion = DRIINFO_MAJOR_VERSION;
+ *minorVersion = DRIINFO_MINOR_VERSION;
+ *patchVersion = DRIINFO_PATCH_VERSION;
+}
+
+static void
+_DRIAdjustFrame(ScrnInfoPtr pScrn, DRIScreenPrivPtr pDRIPriv, int x, int y)
+{
+ pDRIPriv->pSAREA->frame.x = x;
+ pDRIPriv->pSAREA->frame.y = y;
+ pDRIPriv->pSAREA->frame.width = pScrn->frameX1 - x + 1;
+ pDRIPriv->pSAREA->frame.height = pScrn->frameY1 - y + 1;
+}
+
+void
+DRIAdjustFrame(int scrnIndex, int x, int y, int flags)
+{
+ ScreenPtr pScreen = screenInfo.screens[scrnIndex];
+ DRIScreenPrivPtr pDRIPriv = DRI_SCREEN_PRIV(pScreen);
+ ScrnInfoPtr pScrn = xf86Screens[pScreen->myNum];
+ int px, py;
+
+ if (!pDRIPriv || !pDRIPriv->pSAREA) {
+ DRIDrvMsg(scrnIndex, X_ERROR, "[DRI] No SAREA (%p %p)\n",
+ pDRIPriv, pDRIPriv ? pDRIPriv->pSAREA : NULL);
+ return;
+ }
+
+ if (pDRIPriv->fullscreen) {
+ /* Fix up frame */
+ pScrn->frameX0 = pDRIPriv->pSAREA->frame.x;
+ pScrn->frameY0 = pDRIPriv->pSAREA->frame.y;
+ pScrn->frameX1 = pScrn->frameX0 + pDRIPriv->pSAREA->frame.width - 1;
+ pScrn->frameY1 = pScrn->frameY0 + pDRIPriv->pSAREA->frame.height - 1;
+
+ /* Fix up cursor */
+ miPointerGetPosition(inputInfo.pointer, &px, &py);
+ if (px < pScrn->frameX0) px = pScrn->frameX0;
+ if (px > pScrn->frameX1) px = pScrn->frameX1;
+ if (py < pScrn->frameY0) py = pScrn->frameY0;
+ if (py > pScrn->frameY1) py = pScrn->frameY1;
+ pScreen->SetCursorPosition(inputInfo.pointer, pScreen, px, py, TRUE);
+ return;
+ }
+
+ if (pDRIPriv->wrap.AdjustFrame) {
+ /* unwrap */
+ pScrn->AdjustFrame = pDRIPriv->wrap.AdjustFrame;
+ /* call lower layers */
+ (*pScrn->AdjustFrame)(scrnIndex, x, y, flags);
+ /* rewrap */
+ pDRIPriv->wrap.AdjustFrame = pScrn->AdjustFrame;
+ pScrn->AdjustFrame = DRIAdjustFrame;
+ }
+
+ _DRIAdjustFrame(pScrn, pDRIPriv, x, y);
+}
+
+/*
+ * DRIMoveBuffersHelper swaps the regions rects in place leaving you
+ * a region with the rects in the order that you need to blit them,
+ * but it is possibly (likely) an invalid region afterwards. If you
+ * need to use the region again for anything you have to call
+ * REGION_VALIDATE on it, or better yet, save a copy first.
+ */
+
+void
+DRIMoveBuffersHelper(
+ ScreenPtr pScreen,
+ int dx,
+ int dy,
+ int *xdir,
+ int *ydir,
+ RegionPtr reg
+)
+{
+ BoxPtr extents, pbox, firstBox, lastBox;
+ BoxRec tmpBox;
+ int y, nbox;
+
+ extents = RegionExtents(reg);
+ nbox = RegionNumRects(reg);
+ pbox = RegionRects(reg);
+
+ if((dy > 0) && (dy < (extents->y2 - extents->y1))) {
+ *ydir = -1;
+ if(nbox > 1) {
+ firstBox = pbox;
+ lastBox = pbox + nbox - 1;
+ while((unsigned long)firstBox < (unsigned long)lastBox) {
+ tmpBox = *firstBox;
+ *firstBox = *lastBox;
+ *lastBox = tmpBox;
+ firstBox++;
+ lastBox--;
+ }
+ }
+ } else *ydir = 1;
+
+ if((dx > 0) && (dx < (extents->x2 - extents->x1))) {
+ *xdir = -1;
+ if(nbox > 1) {
+ firstBox = lastBox = pbox;
+ y = pbox->y1;
+ while(--nbox) {
+ pbox++;
+ if(pbox->y1 == y) lastBox++;
+ else {
+ while((unsigned long)firstBox < (unsigned long)lastBox) {
+ tmpBox = *firstBox;
+ *firstBox = *lastBox;
+ *lastBox = tmpBox;
+ firstBox++;
+ lastBox--;
+ }
+
+ firstBox = lastBox = pbox;
+ y = pbox->y1;
+ }
+ }
+ while((unsigned long)firstBox < (unsigned long)lastBox) {
+ tmpBox = *firstBox;
+ *firstBox = *lastBox;
+ *lastBox = tmpBox;
+ firstBox++;
+ lastBox--;
+ }
+ }
+ } else *xdir = 1;
+
+}
+
+char *
+DRICreatePCIBusID(const struct pci_device * dev)
+{
+ char *busID;
+
+ if (asprintf(&busID, "pci:%04x:%02x:%02x.%d",
+ dev->domain, dev->bus, dev->dev, dev->func) == -1)
+ return NULL;
+
+ return busID;
+}
+
+static void drmSIGIOHandler(int interrupt, void *closure)
+{
+ unsigned long key;
+ void *value;
+ ssize_t count;
+ drm_ctx_t ctx;
+ typedef void (*_drmCallback)(int, void *, void *);
+ char buf[256];
+ drm_context_t old;
+ drm_context_t new;
+ void *oldctx;
+ void *newctx;
+ char *pt;
+ drmHashEntry *entry;
+ void *hash_table;
+
+ hash_table = drmGetHashTable();
+
+ if (!hash_table) return;
+ if (drmHashFirst(hash_table, &key, &value)) {
+ entry = value;
+ do {
+#if 0
+ fprintf(stderr, "Trying %d\n", entry->fd);
+#endif
+ if ((count = read(entry->fd, buf, sizeof(buf) - 1)) > 0) {
+ buf[count] = '\0';
+#if 0
+ fprintf(stderr, "Got %s\n", buf);
+#endif
+
+ for (pt = buf; *pt != ' '; ++pt); /* Find first space */
+ ++pt;
+ old = strtol(pt, &pt, 0);
+ new = strtol(pt, NULL, 0);
+ oldctx = drmGetContextTag(entry->fd, old);
+ newctx = drmGetContextTag(entry->fd, new);
+#if 0
+ fprintf(stderr, "%d %d %p %p\n", old, new, oldctx, newctx);
+#endif
+ ((_drmCallback)entry->f)(entry->fd, oldctx, newctx);
+ ctx.handle = new;
+ ioctl(entry->fd, DRM_IOCTL_NEW_CTX, &ctx);
+ }
+ } while (drmHashNext(hash_table, &key, &value));
+ }
+}
+
+
+int drmInstallSIGIOHandler(int fd, void (*f)(int, void *, void *))
+{
+ drmHashEntry *entry;
+
+ entry = drmGetEntry(fd);
+ entry->f = f;
+
+ return xf86InstallSIGIOHandler(fd, drmSIGIOHandler, 0);
+}
+
+int drmRemoveSIGIOHandler(int fd)
+{
+ drmHashEntry *entry = drmGetEntry(fd);
+
+ entry->f = NULL;
+
+ return xf86RemoveSIGIOHandler(fd);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 10:52:06 +0000