--- /dev/null
+/* $XFree86: xc/programs/Xserver/GL/dri/xf86dri.c,v 1.10 2000/12/07 20:26:14 dawes Exp $ */
+/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+Copyright 2000 VA Linux Systems, Inc.
+Copyright (c) 2002 Apple Computer, 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:
+ * Kevin E. Martin <martin@valinux.com>
+ * Jens Owen <jens@valinux.com>
+ * Rickard E. (Rik) Faith <faith@valinux.com>
+ *
+ */
+
+#define NEED_REPLIES
+#define NEED_EVENTS
+#include "X.h"
+#include "Xproto.h"
+#include "misc.h"
+#include "dixstruct.h"
+#include "extnsionst.h"
+#include "colormapst.h"
+#include "cursorstr.h"
+#include "scrnintstr.h"
+#include "servermd.h"
+#define _APPLEDRI_SERVER_
+#include "appledristr.h"
+#include "swaprep.h"
+#include "dri.h"
+#include "dri-surface.h"
+#include "dristruct.h"
+#include "rootless-common.h"
+#include "X11Application.h"
+
+static int DRIErrorBase;
+
+static DISPATCH_PROC(ProcAppleDRIDispatch);
+static DISPATCH_PROC(SProcAppleDRIDispatch);
+
+static void AppleDRIResetProc(ExtensionEntry* extEntry);
+
+static unsigned char DRIReqCode = 0;
+static int DRIEventBase = 0;
+
+extern void AppleDRIExtensionInit(void);
+
+static void SNotifyEvent(xAppleDRINotifyEvent *from, xAppleDRINotifyEvent *to);
+
+typedef struct _DRIEvent *DRIEventPtr;
+typedef struct _DRIEvent {
+ DRIEventPtr next;
+ ClientPtr client;
+ XID clientResource;
+ unsigned int mask;
+} DRIEventRec;
+
+void
+AppleDRIExtensionInit(void)
+{
+ ExtensionEntry* extEntry;
+
+ if (DRIExtensionInit() &&
+ (extEntry = AddExtension(APPLEDRINAME,
+ AppleDRINumberEvents,
+ AppleDRINumberErrors,
+ ProcAppleDRIDispatch,
+ SProcAppleDRIDispatch,
+ AppleDRIResetProc,
+ StandardMinorOpcode))) {
+ DRIReqCode = (unsigned char)extEntry->base;
+ DRIErrorBase = extEntry->errorBase;
+ DRIEventBase = extEntry->eventBase;
+ EventSwapVector[DRIEventBase] = (EventSwapPtr) SNotifyEvent;
+ }
+}
+
+/*ARGSUSED*/
+static void
+AppleDRIResetProc (
+ ExtensionEntry* extEntry
+)
+{
+ DRIReset();
+}
+
+static int
+ProcAppleDRIQueryVersion(
+ register ClientPtr client
+)
+{
+ xAppleDRIQueryVersionReply rep;
+ register int n;
+
+ REQUEST_SIZE_MATCH(xAppleDRIQueryVersionReq);
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.majorVersion = APPLE_DRI_MAJOR_VERSION;
+ rep.minorVersion = APPLE_DRI_MINOR_VERSION;
+ rep.patchVersion = APPLE_DRI_PATCH_VERSION;
+ if (client->swapped) {
+ swaps(&rep.sequenceNumber, n);
+ swapl(&rep.length, n);
+ }
+ WriteToClient(client, sizeof(xAppleDRIQueryVersionReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+\f
+/* surfaces */
+
+static int
+ProcAppleDRIQueryDirectRenderingCapable(
+ register ClientPtr client
+)
+{
+ xAppleDRIQueryDirectRenderingCapableReply rep;
+ Bool isCapable;
+
+ REQUEST(xAppleDRIQueryDirectRenderingCapableReq);
+ REQUEST_SIZE_MATCH(xAppleDRIQueryDirectRenderingCapableReq);
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ if (!DRIQueryDirectRenderingCapable( screenInfo.screens[stuff->screen],
+ &isCapable)) {
+ return BadValue;
+ }
+ rep.isCapable = isCapable;
+
+ if (!LocalClient(client))
+ rep.isCapable = 0;
+
+ WriteToClient(client,
+ sizeof(xAppleDRIQueryDirectRenderingCapableReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+static int
+ProcAppleDRIAuthConnection(
+ register ClientPtr client
+)
+{
+ xAppleDRIAuthConnectionReply rep;
+
+ REQUEST(xAppleDRIAuthConnectionReq);
+ REQUEST_SIZE_MATCH(xAppleDRIAuthConnectionReq);
+
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+ rep.authenticated = 1;
+
+ if (!DRIAuthConnection( screenInfo.screens[stuff->screen], stuff->magic)) {
+ ErrorF("Failed to authenticate %u\n", stuff->magic);
+ rep.authenticated = 0;
+ }
+ WriteToClient(client, sizeof(xAppleDRIAuthConnectionReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+static void surface_notify (void *_arg, void *data)
+{
+ DRISurfaceNotifyArg *arg = _arg;
+ int client_index = (int) data;
+ ClientPtr client;
+ xAppleDRINotifyEvent se;
+
+ if (client_index < 0 || client_index >= currentMaxClients)
+ return;
+
+ client = clients[client_index];
+ if (client == NULL || client == serverClient || client->clientGone)
+ return;
+
+ se.type = DRIEventBase + AppleDRISurfaceNotify;
+ se.kind = arg->kind;
+ se.arg = arg->id;
+ se.sequenceNumber = client->sequence;
+ se.time = currentTime.milliseconds;
+ WriteEventsToClient (client, 1, (xEvent *) &se);
+}
+
+static int
+ProcAppleDRICreateSurface(
+ ClientPtr client
+)
+{
+ xAppleDRICreateSurfaceReply rep;
+ DrawablePtr pDrawable;
+ xp_surface_id sid;
+ unsigned int key[2];
+
+ REQUEST(xAppleDRICreateSurfaceReq);
+ REQUEST_SIZE_MATCH(xAppleDRICreateSurfaceReq);
+ rep.type = X_Reply;
+ rep.length = 0;
+ rep.sequenceNumber = client->sequence;
+
+ if (!(pDrawable = (DrawablePtr)SecurityLookupDrawable(
+ (Drawable)stuff->drawable,
+ client,
+ SecurityReadAccess))) {
+ return BadValue;
+ }
+
+ rep.key_0 = rep.key_1 = rep.uid = 0;
+
+ if (!DRICreateSurface( screenInfo.screens[stuff->screen],
+ (Drawable)stuff->drawable, pDrawable,
+ stuff->client_id, &sid, key,
+ surface_notify, (void *) client->index)) {
+ return BadValue;
+ }
+
+ rep.key_0 = key[0];
+ rep.key_1 = key[1];
+ rep.uid = sid;
+
+ WriteToClient(client, sizeof(xAppleDRICreateSurfaceReply), (char *)&rep);
+ return (client->noClientException);
+}
+
+static int
+ProcAppleDRIDestroySurface(
+ register ClientPtr client
+)
+{
+ REQUEST(xAppleDRIDestroySurfaceReq);
+ DrawablePtr pDrawable;
+ REQUEST_SIZE_MATCH(xAppleDRIDestroySurfaceReq);
+
+ if (!(pDrawable = (DrawablePtr)SecurityLookupDrawable(
+ (Drawable)stuff->drawable,
+ client,
+ SecurityReadAccess))) {
+ return BadValue;
+ }
+
+ if (!DRIDestroySurface( screenInfo.screens[stuff->screen],
+ (Drawable)stuff->drawable,
+ pDrawable, NULL, NULL)) {
+ return BadValue;
+ }
+
+ return (client->noClientException);
+}
+
+\f
+/* dispatch */
+
+static int
+ProcAppleDRIDispatch (
+ register ClientPtr client
+)
+{
+ REQUEST(xReq);
+
+ switch (stuff->data)
+ {
+ case X_AppleDRIQueryVersion:
+ return ProcAppleDRIQueryVersion(client);
+ case X_AppleDRIQueryDirectRenderingCapable:
+ return ProcAppleDRIQueryDirectRenderingCapable(client);
+ }
+
+ if (!LocalClient(client))
+ return DRIErrorBase + AppleDRIClientNotLocal;
+
+ switch (stuff->data)
+ {
+ case X_AppleDRIAuthConnection:
+ return ProcAppleDRIAuthConnection(client);
+ case X_AppleDRICreateSurface:
+ return ProcAppleDRICreateSurface(client);
+ case X_AppleDRIDestroySurface:
+ return ProcAppleDRIDestroySurface(client);
+ default:
+ return BadRequest;
+ }
+}
+
+static void
+SNotifyEvent(from, to)
+ xAppleDRINotifyEvent *from, *to;
+{
+ to->type = from->type;
+ to->kind = from->kind;
+ cpswaps (from->sequenceNumber, to->sequenceNumber);
+ cpswapl (from->time, to->time);
+ cpswapl (from->arg, to->arg);
+}
+
+static int
+SProcAppleDRIQueryVersion(
+ register ClientPtr client
+)
+{
+ register int n;
+ REQUEST(xAppleDRIQueryVersionReq);
+ swaps(&stuff->length, n);
+ return ProcAppleDRIQueryVersion(client);
+}
+
+static int
+SProcAppleDRIDispatch (
+ register ClientPtr client
+)
+{
+ REQUEST(xReq);
+
+ /* It is bound to be non-local when there is byte swapping */
+ if (!LocalClient(client))
+ return DRIErrorBase + AppleDRIClientNotLocal;
+
+ /* only local clients are allowed DRI access */
+ switch (stuff->data)
+ {
+ case X_AppleDRIQueryVersion:
+ return SProcAppleDRIQueryVersion(client);
+ default:
+ return BadRequest;
+ }
+}
projects / synfig.git / blobdiff