1 files changed, 350 insertions, 0 deletions
diff --git a/hw/darwin/quartz/xpr/appledri.c b/hw/darwin/quartz/xpr/appledri.c
new file mode 100644
index 000000000..3062d964a
--- /dev/null
+++ b/hw/darwin/quartz/xpr/appledri.c
@@ -0,0 +1,350 @@
+/* $XFree86: xc/programs/Xserver/hw/darwin/quartz/xpr/appledri.c,v 1.1 2003/06/30 01:45:13 torrey 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 "dristruct.h"
+
+static int DRIErrorBase = 0;
+
+static DISPATCH_PROC(ProcAppleDRIDispatch);
+static DISPATCH_PROC(SProcAppleDRIDispatch);
+
+static void AppleDRIResetProc(ExtensionEntry* extEntry);
+
+static unsigned char DRIReqCode = 0;
+static int DRIEventBase = 0;
+
+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);
+}
+
+
+/* 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);
+}
+
+
+/* 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(
+    xAppleDRINotifyEvent *from,
+    xAppleDRINotifyEvent *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;
+    }
+}