From 3562e78743202e43aec8727005182a2558117eca Mon Sep 17 00:00:00 2001 From: marha Date: Sun, 28 Jun 2009 22:07:26 +0000 Subject: Checked in the following released items: xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz --- xorg-server/hw/xfree86/dri2/dri2ext.c | 361 ++++++++++++++++++++++++++++++++++ 1 file changed, 361 insertions(+) create mode 100644 xorg-server/hw/xfree86/dri2/dri2ext.c (limited to 'xorg-server/hw/xfree86/dri2/dri2ext.c') diff --git a/xorg-server/hw/xfree86/dri2/dri2ext.c b/xorg-server/hw/xfree86/dri2/dri2ext.c new file mode 100644 index 000000000..4ae0fda3a --- /dev/null +++ b/xorg-server/hw/xfree86/dri2/dri2ext.c @@ -0,0 +1,361 @@ +/* + * Copyright © 2008 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Soft- + * ware"), to deal in the Software without restriction, including without + * limitation the rights to use, copy, modify, merge, publish, distribute, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, provided that the above copyright + * notice(s) and this permission notice appear in all copies of the Soft- + * ware and that both the above copyright notice(s) and this permission + * notice appear in supporting documentation. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABIL- + * ITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY + * RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR HOLDERS INCLUDED IN + * THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR CONSE- + * QUENTIAL 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 PERFOR- + * MANCE OF THIS SOFTWARE. + * + * Except as contained in this notice, the name of a copyright holder shall + * not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization of + * the copyright holder. + * + * Authors: + * Kristian Høgsberg (krh@redhat.com) + */ + +#ifdef HAVE_XORG_CONFIG_H +#include +#endif + +#define NEED_REPLIES +#include +#include +#include +#include "dixstruct.h" +#include "scrnintstr.h" +#include "pixmapstr.h" +#include "extnsionst.h" +#include "xf86drm.h" +#include "dri2.h" + +/* The only xf86 include */ +#include "xf86Module.h" + +static ExtensionEntry *dri2Extension; +static RESTYPE dri2DrawableRes; + +static Bool +validScreen(ClientPtr client, int screen, ScreenPtr *pScreen) +{ + if (screen >= screenInfo.numScreens) { + client->errorValue = screen; + return FALSE; + } + + *pScreen = screenInfo.screens[screen]; + + return TRUE; +} + +static Bool +validDrawable(ClientPtr client, XID drawable, + DrawablePtr *pDrawable, int *status) +{ + *status = dixLookupDrawable(pDrawable, drawable, client, 0, DixReadAccess); + if (*status != Success) { + client->errorValue = drawable; + return FALSE; + } + + return TRUE; +} + +static int +ProcDRI2QueryVersion(ClientPtr client) +{ + REQUEST(xDRI2QueryVersionReq); + xDRI2QueryVersionReply rep; + int n; + + if (client->swapped) + swaps(&stuff->length, n); + + REQUEST_SIZE_MATCH(xDRI2QueryVersionReq); + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.majorVersion = DRI2_MAJOR; + rep.minorVersion = DRI2_MINOR; + + if (client->swapped) { + swaps(&rep.sequenceNumber, n); + swapl(&rep.length, n); + swapl(&rep.majorVersion, n); + swapl(&rep.minorVersion, n); + } + + WriteToClient(client, sizeof(xDRI2QueryVersionReply), &rep); + + return client->noClientException; +} + +static int +ProcDRI2Connect(ClientPtr client) +{ + REQUEST(xDRI2ConnectReq); + xDRI2ConnectReply rep; + ScreenPtr pScreen; + int fd; + const char *driverName; + char *busId = NULL; + unsigned int sareaHandle; + + REQUEST_SIZE_MATCH(xDRI2ConnectReq); + if (!validScreen(client, stuff->screen, &pScreen)) + return BadValue; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.driverNameLength = 0; + rep.busIdLength = 0; + rep.sareaHandle = 0; + + if (!DRI2Connect(pScreen, &fd, &driverName, &sareaHandle)) + goto fail; + + busId = drmGetBusid(fd); + if (busId == NULL) + goto fail; + + rep.driverNameLength = strlen(driverName); + rep.busIdLength = strlen(busId); + rep.sareaHandle = sareaHandle; + rep.length = (rep.driverNameLength + 3) / 4 + (rep.busIdLength + 3) / 4; + + fail: + WriteToClient(client, sizeof(xDRI2ConnectReply), &rep); + WriteToClient(client, rep.driverNameLength, driverName); + WriteToClient(client, rep.busIdLength, busId); + drmFreeBusid(busId); + + return client->noClientException; +} + +static int +ProcDRI2AuthConnection(ClientPtr client) +{ + REQUEST(xDRI2AuthConnectionReq); + xDRI2AuthConnectionReply rep; + ScreenPtr pScreen; + + REQUEST_SIZE_MATCH(xDRI2AuthConnectionReq); + if (!validScreen(client, stuff->screen, &pScreen)) + return BadValue; + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.authenticated = 1; + + if (!DRI2AuthConnection(pScreen, stuff->magic)) { + ErrorF("DRI2: Failed to authenticate %lu\n", + (unsigned long) stuff->magic); + rep.authenticated = 0; + } + + WriteToClient(client, sizeof(xDRI2AuthConnectionReply), &rep); + + return client->noClientException; +} + +static int +ProcDRI2CreateDrawable(ClientPtr client) +{ + REQUEST(xDRI2CreateDrawableReq); + xDRI2CreateDrawableReply rep; + DrawablePtr pDrawable; + unsigned int handle, head; + int status; + + REQUEST_SIZE_MATCH(xDRI2CreateDrawableReq); + + if (!validDrawable(client, stuff->drawable, &pDrawable, &status)) + return status; + + if (!DRI2CreateDrawable(pDrawable, &handle, &head)) + return BadMatch; + + if (!AddResource(stuff->drawable, dri2DrawableRes, pDrawable)) { + DRI2DestroyDrawable(pDrawable); + return BadAlloc; + } + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.handle = handle; + rep.head = head; + + WriteToClient(client, sizeof(xDRI2CreateDrawableReply), &rep); + + return client->noClientException; +} + +static int +ProcDRI2DestroyDrawable(ClientPtr client) +{ + REQUEST(xDRI2DestroyDrawableReq); + DrawablePtr pDrawable; + int status; + + REQUEST_SIZE_MATCH(xDRI2DestroyDrawableReq); + if (!validDrawable(client, stuff->drawable, &pDrawable, &status)) + return status; + + FreeResourceByType(stuff->drawable, dri2DrawableRes, FALSE); + + return client->noClientException; +} + +static int +ProcDRI2ReemitDrawableInfo(ClientPtr client) +{ + REQUEST(xDRI2ReemitDrawableInfoReq); + xDRI2ReemitDrawableInfoReply rep; + DrawablePtr pDrawable; + unsigned int head; + int status; + + REQUEST_SIZE_MATCH(xDRI2ReemitDrawableInfoReq); + if (!validDrawable(client, stuff->drawable, &pDrawable, &status)) + return status; + + DRI2ReemitDrawableInfo(pDrawable, &head); + + rep.type = X_Reply; + rep.length = 0; + rep.sequenceNumber = client->sequence; + rep.head = head; + + WriteToClient(client, sizeof(xDRI2ReemitDrawableInfoReply), &rep); + + return client->noClientException; +} + +static int +ProcDRI2Dispatch (ClientPtr client) +{ + REQUEST(xReq); + + switch (stuff->data) { + case X_DRI2QueryVersion: + return ProcDRI2QueryVersion(client); + } + + if (!LocalClient(client)) + return BadRequest; + + switch (stuff->data) { + case X_DRI2Connect: + return ProcDRI2Connect(client); + case X_DRI2AuthConnection: + return ProcDRI2AuthConnection(client); + case X_DRI2CreateDrawable: + return ProcDRI2CreateDrawable(client); + case X_DRI2DestroyDrawable: + return ProcDRI2DestroyDrawable(client); + case X_DRI2ReemitDrawableInfo: + return ProcDRI2ReemitDrawableInfo(client); + default: + return BadRequest; + } +} + +static int +SProcDRI2Connect(ClientPtr client) +{ + REQUEST(xDRI2ConnectReq); + xDRI2ConnectReply rep; + int n; + + /* If the client is swapped, it's not local. Talk to the hand. */ + + swaps(&stuff->length, n); + if (sizeof(*stuff) / 4 != client->req_len) + return BadLength; + + rep.sequenceNumber = client->sequence; + swaps(&rep.sequenceNumber, n); + rep.length = 0; + rep.driverNameLength = 0; + rep.busIdLength = 0; + rep.sareaHandle = 0; + + return client->noClientException; +} + +static int +SProcDRI2Dispatch (ClientPtr client) +{ + REQUEST(xReq); + + /* + * Only local clients are allowed DRI access, but remote clients + * still need these requests to find out cleanly. + */ + switch (stuff->data) + { + case X_DRI2QueryVersion: + return ProcDRI2QueryVersion(client); + case X_DRI2Connect: + return SProcDRI2Connect(client); + default: + return BadRequest; + } +} + +static void +DRI2ResetProc (ExtensionEntry *extEntry) +{ +} + +static int DRI2DrawableGone(pointer p, XID id) +{ + DrawablePtr pDrawable = p; + + DRI2DestroyDrawable(pDrawable); + + return Success; +} + +static void +DRI2ExtensionInit(void) +{ + dri2Extension = AddExtension(DRI2_NAME, + DRI2NumberEvents, + DRI2NumberErrors, + ProcDRI2Dispatch, + SProcDRI2Dispatch, + DRI2ResetProc, + StandardMinorOpcode); + + dri2DrawableRes = CreateNewResourceType(DRI2DrawableGone); +} + +extern Bool noDRI2Extension; + +_X_HIDDEN ExtensionModule dri2ExtensionModule = { + DRI2ExtensionInit, + DRI2_NAME, + &noDRI2Extension, + NULL, + NULL +}; -- cgit v1.2.3