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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/hw/xfree86/dri2/dri2ext.c
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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
Diffstat (limited to 'xorg-server/hw/xfree86/dri2/dri2ext.c')
-rw-r--r--xorg-server/hw/xfree86/dri2/dri2ext.c361
1 files changed, 361 insertions, 0 deletions
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 <xorg-config.h>
+#endif
+
+#define NEED_REPLIES
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include <X11/extensions/dri2proto.h>
+#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
+};