xserver git update 15/5/2010

1 files changed, 679 insertions, 679 deletions

diff --git a/xorg-server/hw/xfree86/dri/xf86dri.c b/xorg-server/hw/xfree86/dri/xf86dri.c
index 78003991b..40914ed19 100644
--- a/xorg-server/hw/xfree86/dri/xf86dri.c
+++ b/xorg-server/hw/xfree86/dri/xf86dri.c
@@ -1,679 +1,679 @@
-/**************************************************************************
-
-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:
- *   Kevin E. Martin <martin@valinux.com>
- *   Jens Owen <jens@tungstengraphics.com>
- *   Rickard E. (Rik) Faith <faith@valinux.com>
- *
- */
-
-#ifdef HAVE_XORG_CONFIG_H
-#include <xorg-config.h>
-#endif
-
-#include <string.h>
-
-#include "xf86.h"
-
-#include <X11/X.h>
-#include <X11/Xproto.h>
-#include "misc.h"
-#include "dixstruct.h"
-#include "extnsionst.h"
-#include "colormapst.h"
-#include "cursorstr.h"
-#include "scrnintstr.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 "protocol-versions.h"
-
-static int DRIErrorBase;
-
-static DISPATCH_PROC(ProcXF86DRIQueryVersion);
-static DISPATCH_PROC(ProcXF86DRIQueryDirectRenderingCapable);
-static DISPATCH_PROC(ProcXF86DRIOpenConnection);
-static DISPATCH_PROC(ProcXF86DRICloseConnection);
-static DISPATCH_PROC(ProcXF86DRIGetClientDriverName);
-static DISPATCH_PROC(ProcXF86DRICreateContext);
-static DISPATCH_PROC(ProcXF86DRIDestroyContext);
-static DISPATCH_PROC(ProcXF86DRICreateDrawable);
-static DISPATCH_PROC(ProcXF86DRIDestroyDrawable);
-static DISPATCH_PROC(ProcXF86DRIGetDrawableInfo);
-static DISPATCH_PROC(ProcXF86DRIGetDeviceInfo);
-static DISPATCH_PROC(ProcXF86DRIDispatch);
-static DISPATCH_PROC(ProcXF86DRIAuthConnection);
-
-static DISPATCH_PROC(SProcXF86DRIQueryVersion);
-static DISPATCH_PROC(SProcXF86DRIQueryDirectRenderingCapable);
-static DISPATCH_PROC(SProcXF86DRIDispatch);
-
-static void XF86DRIResetProc(ExtensionEntry* extEntry);
-
-static unsigned char DRIReqCode = 0;
-
-extern void XFree86DRIExtensionInit(void);
-
-void
-XFree86DRIExtensionInit(void)
-{
-    ExtensionEntry* extEntry;
-
-#ifdef XF86DRI_EVENTS
-    EventType = CreateNewResourceType(XF86DRIFreeEvents, "DRIEvent");
-#endif
-
-    if (
-	DRIExtensionInit() &&
-#ifdef XF86DRI_EVENTS
-        EventType && ScreenPrivateIndex != -1 &&
-#endif
-	(extEntry = AddExtension(XF86DRINAME,
-				 XF86DRINumberEvents,
-				 XF86DRINumberErrors,
-				 ProcXF86DRIDispatch,
-				 SProcXF86DRIDispatch,
-				 XF86DRIResetProc,
-				 StandardMinorOpcode))) {
-	DRIReqCode = (unsigned char)extEntry->base;
-	DRIErrorBase = extEntry->errorBase;
-    }
-}
-
-/*ARGSUSED*/
-static void
-XF86DRIResetProc (
-    ExtensionEntry* extEntry
-)
-{
-    DRIReset();
-}
-
-static int
-ProcXF86DRIQueryVersion(
-    register ClientPtr client
-)
-{
-    xXF86DRIQueryVersionReply rep;
-    register int n;
-
-    REQUEST_SIZE_MATCH(xXF86DRIQueryVersionReq);
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-    rep.majorVersion = SERVER_XF86DRI_MAJOR_VERSION;
-    rep.minorVersion = SERVER_XF86DRI_MINOR_VERSION;
-    rep.patchVersion = SERVER_XF86DRI_PATCH_VERSION;
-    if (client->swapped) {
-    	swaps(&rep.sequenceNumber, n);
-    	swapl(&rep.length, n);
-	swaps(&rep.majorVersion, n);
-	swaps(&rep.minorVersion, n);
-	swapl(&rep.patchVersion, n);
-    }
-    WriteToClient(client, sizeof(xXF86DRIQueryVersionReply), (char *)&rep);
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIQueryDirectRenderingCapable(
-    register ClientPtr client
-)
-{
-    xXF86DRIQueryDirectRenderingCapableReply	rep;
-    Bool isCapable;
-    register int n;
-
-    REQUEST(xXF86DRIQueryDirectRenderingCapableReq);
-    REQUEST_SIZE_MATCH(xXF86DRIQueryDirectRenderingCapableReq);
-    if (stuff->screen >= screenInfo.numScreens) {
-	client->errorValue = stuff->screen;
-	return BadValue;
-    }
-
-    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) || client->swapped)
-	rep.isCapable = 0;
-
-    if (client->swapped) {
-    	swaps(&rep.sequenceNumber, n);
-    	swapl(&rep.length, n);
-    }
-
-    WriteToClient(client, 
-	sizeof(xXF86DRIQueryDirectRenderingCapableReply), (char *)&rep);
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIOpenConnection(
-    register ClientPtr client
-)
-{
-    xXF86DRIOpenConnectionReply rep;
-    drm_handle_t			hSAREA;
-    char*			busIdString;
-
-    REQUEST(xXF86DRIOpenConnectionReq);
-    REQUEST_SIZE_MATCH(xXF86DRIOpenConnectionReq);
-    if (stuff->screen >= screenInfo.numScreens) {
-	client->errorValue = stuff->screen;
-	return BadValue;
-    }
-
-    if (!DRIOpenConnection( screenInfo.screens[stuff->screen], 
-			    &hSAREA,
-			    &busIdString)) {
-	return BadValue;
-    }
-
-    rep.type = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.busIdStringLength = 0;
-    if (busIdString)
-	rep.busIdStringLength = strlen(busIdString);
-    rep.length = bytes_to_int32(SIZEOF(xXF86DRIOpenConnectionReply) - SIZEOF(xGenericReply) +
-                  pad_to_int32(rep.busIdStringLength));
-
-    rep.hSAREALow  = (CARD32)(hSAREA & 0xffffffff);
-#if defined(LONG64) && !defined(__linux__)
-    rep.hSAREAHigh = (CARD32)(hSAREA >> 32);
-#else
-    rep.hSAREAHigh = 0;
-#endif
-
-    WriteToClient(client, sizeof(xXF86DRIOpenConnectionReply), (char *)&rep);
-    if (rep.busIdStringLength)
-	WriteToClient(client, rep.busIdStringLength, busIdString);
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIAuthConnection(
-    register ClientPtr client
-)
-{
-    xXF86DRIAuthConnectionReply rep;
-    
-    REQUEST(xXF86DRIAuthConnectionReq);
-    REQUEST_SIZE_MATCH(xXF86DRIAuthConnectionReq);
-    if (stuff->screen >= screenInfo.numScreens) {
-	client->errorValue = stuff->screen;
-	return BadValue;
-    }
-
-    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 %lu\n", (unsigned long)stuff->magic);
-	rep.authenticated = 0;
-    }
-    WriteToClient(client, sizeof(xXF86DRIAuthConnectionReply), (char *)&rep);
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRICloseConnection(
-    register ClientPtr client
-)
-{
-    REQUEST(xXF86DRICloseConnectionReq);
-    REQUEST_SIZE_MATCH(xXF86DRICloseConnectionReq);
-    if (stuff->screen >= screenInfo.numScreens) {
-	client->errorValue = stuff->screen;
-	return BadValue;
-    }
-
-    DRICloseConnection( screenInfo.screens[stuff->screen]);
-
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIGetClientDriverName(
-    register ClientPtr client
-)
-{
-    xXF86DRIGetClientDriverNameReply	rep;
-    char* clientDriverName;
-
-    REQUEST(xXF86DRIGetClientDriverNameReq);
-    REQUEST_SIZE_MATCH(xXF86DRIGetClientDriverNameReq);
-    if (stuff->screen >= screenInfo.numScreens) {
-	client->errorValue = stuff->screen;
-	return BadValue;
-    }
-
-    DRIGetClientDriverName( screenInfo.screens[stuff->screen],
-			    (int *)&rep.ddxDriverMajorVersion,
-			    (int *)&rep.ddxDriverMinorVersion,
-			    (int *)&rep.ddxDriverPatchVersion,
-			    &clientDriverName);
-
-    rep.type = X_Reply;
-    rep.sequenceNumber = client->sequence;
-    rep.clientDriverNameLength = 0;
-    if (clientDriverName)
-	rep.clientDriverNameLength = strlen(clientDriverName);
-    rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetClientDriverNameReply) -
-			SIZEOF(xGenericReply) +
-			pad_to_int32(rep.clientDriverNameLength));
-
-    WriteToClient(client, 
-	sizeof(xXF86DRIGetClientDriverNameReply), (char *)&rep);
-    if (rep.clientDriverNameLength)
-	WriteToClient(client, 
-                      rep.clientDriverNameLength, 
-                      clientDriverName);
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRICreateContext(
-    register ClientPtr client
-)
-{
-    xXF86DRICreateContextReply	rep;
-    ScreenPtr pScreen;
-
-    REQUEST(xXF86DRICreateContextReq);
-    REQUEST_SIZE_MATCH(xXF86DRICreateContextReq);
-    if (stuff->screen >= screenInfo.numScreens) {
-	client->errorValue = stuff->screen;
-	return BadValue;
-    }
-
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-
-    pScreen = screenInfo.screens[stuff->screen];
-
-    if (!DRICreateContext( pScreen,
-			   NULL,
-			   stuff->context,
-			   (drm_context_t *)&rep.hHWContext)) {
-	return BadValue;
-    }
-
-    WriteToClient(client, sizeof(xXF86DRICreateContextReply), (char *)&rep);
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIDestroyContext(
-    register ClientPtr client
-)
-{
-    REQUEST(xXF86DRIDestroyContextReq);
-    REQUEST_SIZE_MATCH(xXF86DRIDestroyContextReq);
-    if (stuff->screen >= screenInfo.numScreens) {
-	client->errorValue = stuff->screen;
-	return BadValue;
-    }
-
-    if (!DRIDestroyContext( screenInfo.screens[stuff->screen],
-			    stuff->context)) {
-	return BadValue;
-    }
-
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRICreateDrawable(
-    ClientPtr client
-)
-{
-    xXF86DRICreateDrawableReply	rep;
-    DrawablePtr pDrawable;
-    int rc;
-
-    REQUEST(xXF86DRICreateDrawableReq);
-    REQUEST_SIZE_MATCH(xXF86DRICreateDrawableReq);
-    if (stuff->screen >= screenInfo.numScreens) {
-	client->errorValue = stuff->screen;
-	return BadValue;
-    }
-
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-
-    rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
-			   DixReadAccess);
-    if (rc != Success)
-	return rc;
-
-    if (!DRICreateDrawable(screenInfo.screens[stuff->screen], client,
-			   pDrawable, (drm_drawable_t *)&rep.hHWDrawable)) {
-	return BadValue;
-    }
-
-    WriteToClient(client, sizeof(xXF86DRICreateDrawableReply), (char *)&rep);
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIDestroyDrawable(
-    register ClientPtr client
-)
-{
-    REQUEST(xXF86DRIDestroyDrawableReq);
-    DrawablePtr pDrawable;
-    int rc;
-    REQUEST_SIZE_MATCH(xXF86DRIDestroyDrawableReq);
-
-    if (stuff->screen >= screenInfo.numScreens) {
-	client->errorValue = stuff->screen;
-	return BadValue;
-    }
-
-    rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
-			   DixReadAccess);
-    if (rc != Success)
-	return rc;
-
-    if (!DRIDestroyDrawable(screenInfo.screens[stuff->screen], client,
-			    pDrawable)) {
-	return BadValue;
-    }
-
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIGetDrawableInfo(
-    register ClientPtr client
-)
-{
-    xXF86DRIGetDrawableInfoReply	rep;
-    DrawablePtr pDrawable;
-    int X, Y, W, H;
-    drm_clip_rect_t * pClipRects, *pClippedRects;
-    drm_clip_rect_t * pBackClipRects;
-    int backX, backY, rc;
-
-    REQUEST(xXF86DRIGetDrawableInfoReq);
-    REQUEST_SIZE_MATCH(xXF86DRIGetDrawableInfoReq);
-    if (stuff->screen >= screenInfo.numScreens) {
-	client->errorValue = stuff->screen;
-	return BadValue;
-    }
-
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-
-    rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,
-			   DixReadAccess);
-    if (rc != Success)
-	return rc;
-
-    if (!DRIGetDrawableInfo( screenInfo.screens[stuff->screen],
-			     pDrawable,
-			     (unsigned int*)&rep.drawableTableIndex,
-			     (unsigned int*)&rep.drawableTableStamp,
-			     (int*)&X,
-			     (int*)&Y,
-			     (int*)&W,
-			     (int*)&H,
-			     (int*)&rep.numClipRects,
-			     &pClipRects,
-			     &backX, 
-			     &backY,
-			     (int*)&rep.numBackClipRects,
-			     &pBackClipRects)) {
-	return BadValue;
-    }
-
-    rep.drawableX = X;
-    rep.drawableY = Y;
-    rep.drawableWidth = W;
-    rep.drawableHeight = H;
-    rep.length = (SIZEOF(xXF86DRIGetDrawableInfoReply) - 
-		  SIZEOF(xGenericReply));
-
-    rep.backX = backX;
-    rep.backY = backY;
-        
-    if (rep.numBackClipRects) 
-       rep.length += sizeof(drm_clip_rect_t) * rep.numBackClipRects;    
-
-    pClippedRects = pClipRects;
-
-    if (rep.numClipRects) {
-       /* Clip cliprects to screen dimensions (redirected windows) */
-       pClippedRects = xalloc(rep.numClipRects * sizeof(drm_clip_rect_t));
-
-       if (pClippedRects) {
-	    ScreenPtr pScreen = screenInfo.screens[stuff->screen];
-	    int i, j;
-
-	    for (i = 0, j = 0; i < rep.numClipRects; i++) {
-		pClippedRects[j].x1 = max(pClipRects[i].x1, 0);
-		pClippedRects[j].y1 = max(pClipRects[i].y1, 0);
-		pClippedRects[j].x2 = min(pClipRects[i].x2, pScreen->width);
-		pClippedRects[j].y2 = min(pClipRects[i].y2, pScreen->height);
-
-		if (pClippedRects[j].x1 < pClippedRects[j].x2 &&
-		    pClippedRects[j].y1 < pClippedRects[j].y2) {
-		    j++;
-		}
-	    }
-
-	    rep.numClipRects = j;
-       } else {
-	    rep.numClipRects = 0;
-       }
-
-       rep.length += sizeof(drm_clip_rect_t) * rep.numClipRects;
-    }
-    
-    rep.length = bytes_to_int32(rep.length);
-
-    WriteToClient(client, sizeof(xXF86DRIGetDrawableInfoReply), (char *)&rep);
-
-    if (rep.numClipRects) {
-	WriteToClient(client,  
-		      sizeof(drm_clip_rect_t) * rep.numClipRects,
-		      (char *)pClippedRects);
-	xfree(pClippedRects);
-    }
-
-    if (rep.numBackClipRects) {
-       WriteToClient(client, 
-		     sizeof(drm_clip_rect_t) * rep.numBackClipRects,
-		     (char *)pBackClipRects);
-    }
-
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIGetDeviceInfo(
-    register ClientPtr client
-)
-{
-    xXF86DRIGetDeviceInfoReply	rep;
-    drm_handle_t hFrameBuffer;
-    void *pDevPrivate;
-
-    REQUEST(xXF86DRIGetDeviceInfoReq);
-    REQUEST_SIZE_MATCH(xXF86DRIGetDeviceInfoReq);
-    if (stuff->screen >= screenInfo.numScreens) {
-	client->errorValue = stuff->screen;
-	return BadValue;
-    }
-
-    rep.type = X_Reply;
-    rep.length = 0;
-    rep.sequenceNumber = client->sequence;
-
-    if (!DRIGetDeviceInfo( screenInfo.screens[stuff->screen],
-			   &hFrameBuffer,
-			   (int*)&rep.framebufferOrigin,
-			   (int*)&rep.framebufferSize,
-			   (int*)&rep.framebufferStride,
-			   (int*)&rep.devPrivateSize,
-			   &pDevPrivate)) {
-	return BadValue;
-    }
-
-    rep.hFrameBufferLow  = (CARD32)(hFrameBuffer & 0xffffffff);
-#if defined(LONG64) && !defined(__linux__)
-    rep.hFrameBufferHigh = (CARD32)(hFrameBuffer >> 32);
-#else
-    rep.hFrameBufferHigh = 0;
-#endif
-
-    rep.length = 0;
-    if (rep.devPrivateSize) {
-	rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetDeviceInfoReply) -
-		      SIZEOF(xGenericReply) +
-		      pad_to_int32(rep.devPrivateSize));
-    }
-
-    WriteToClient(client, sizeof(xXF86DRIGetDeviceInfoReply), (char *)&rep);
-    if (rep.length) {
-	WriteToClient(client, rep.devPrivateSize, (char *)pDevPrivate);
-    }
-    return (client->noClientException);
-}
-
-static int
-ProcXF86DRIDispatch (
-    register ClientPtr	client
-)
-{
-    REQUEST(xReq);
-
-    switch (stuff->data)
-    {
-    case X_XF86DRIQueryVersion:
-	return ProcXF86DRIQueryVersion(client);
-    case X_XF86DRIQueryDirectRenderingCapable:
-	return ProcXF86DRIQueryDirectRenderingCapable(client);
-    }
-
-    if (!LocalClient(client))
-	return DRIErrorBase + XF86DRIClientNotLocal;
-
-    switch (stuff->data)
-    {
-    case X_XF86DRIOpenConnection:
-	return ProcXF86DRIOpenConnection(client);
-    case X_XF86DRICloseConnection:
-	return ProcXF86DRICloseConnection(client);
-    case X_XF86DRIGetClientDriverName:
-	return ProcXF86DRIGetClientDriverName(client);
-    case X_XF86DRICreateContext:
-	return ProcXF86DRICreateContext(client);
-    case X_XF86DRIDestroyContext:
-	return ProcXF86DRIDestroyContext(client);
-    case X_XF86DRICreateDrawable:
-	return ProcXF86DRICreateDrawable(client);
-    case X_XF86DRIDestroyDrawable:
-	return ProcXF86DRIDestroyDrawable(client);
-    case X_XF86DRIGetDrawableInfo:
-	return ProcXF86DRIGetDrawableInfo(client);
-    case X_XF86DRIGetDeviceInfo:
-	return ProcXF86DRIGetDeviceInfo(client);
-    case X_XF86DRIAuthConnection:
-	return ProcXF86DRIAuthConnection(client);
-    /* {Open,Close}FullScreen are deprecated now */
-    default:
-	return BadRequest;
-    }
-}
-
-static int
-SProcXF86DRIQueryVersion(
-    register ClientPtr	client
-)
-{
-    register int n;
-    REQUEST(xXF86DRIQueryVersionReq);
-    swaps(&stuff->length, n);
-    return ProcXF86DRIQueryVersion(client);
-}
-
-static int
-SProcXF86DRIQueryDirectRenderingCapable(
-    register ClientPtr client
-)
-{
-    register int n;
-    REQUEST(xXF86DRIQueryDirectRenderingCapableReq);
-    swaps(&stuff->length, n);
-    swapl(&stuff->screen, n);
-    return ProcXF86DRIQueryDirectRenderingCapable(client);
-}
-
-static int
-SProcXF86DRIDispatch (
-    register 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_XF86DRIQueryVersion:
-	return SProcXF86DRIQueryVersion(client);
-    case X_XF86DRIQueryDirectRenderingCapable:
-	return SProcXF86DRIQueryDirectRenderingCapable(client);
-    default:
-	return DRIErrorBase + XF86DRIClientNotLocal;
-    }
-}
+/**************************************************************************

+

+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:

+ *   Kevin E. Martin <martin@valinux.com>

+ *   Jens Owen <jens@tungstengraphics.com>

+ *   Rickard E. (Rik) Faith <faith@valinux.com>

+ *

+ */

+

+#ifdef HAVE_XORG_CONFIG_H

+#include <xorg-config.h>

+#endif

+

+#include <string.h>

+

+#include "xf86.h"

+

+#include <X11/X.h>

+#include <X11/Xproto.h>

+#include "misc.h"

+#include "dixstruct.h"

+#include "extnsionst.h"

+#include "colormapst.h"

+#include "cursorstr.h"

+#include "scrnintstr.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 "protocol-versions.h"

+

+static int DRIErrorBase;

+

+static DISPATCH_PROC(ProcXF86DRIQueryVersion);

+static DISPATCH_PROC(ProcXF86DRIQueryDirectRenderingCapable);

+static DISPATCH_PROC(ProcXF86DRIOpenConnection);

+static DISPATCH_PROC(ProcXF86DRICloseConnection);

+static DISPATCH_PROC(ProcXF86DRIGetClientDriverName);

+static DISPATCH_PROC(ProcXF86DRICreateContext);

+static DISPATCH_PROC(ProcXF86DRIDestroyContext);

+static DISPATCH_PROC(ProcXF86DRICreateDrawable);

+static DISPATCH_PROC(ProcXF86DRIDestroyDrawable);

+static DISPATCH_PROC(ProcXF86DRIGetDrawableInfo);

+static DISPATCH_PROC(ProcXF86DRIGetDeviceInfo);

+static DISPATCH_PROC(ProcXF86DRIDispatch);

+static DISPATCH_PROC(ProcXF86DRIAuthConnection);

+

+static DISPATCH_PROC(SProcXF86DRIQueryVersion);

+static DISPATCH_PROC(SProcXF86DRIQueryDirectRenderingCapable);

+static DISPATCH_PROC(SProcXF86DRIDispatch);

+

+static void XF86DRIResetProc(ExtensionEntry* extEntry);

+

+static unsigned char DRIReqCode = 0;

+

+extern void XFree86DRIExtensionInit(void);

+

+void

+XFree86DRIExtensionInit(void)

+{

+    ExtensionEntry* extEntry;

+

+#ifdef XF86DRI_EVENTS

+    EventType = CreateNewResourceType(XF86DRIFreeEvents, "DRIEvent");

+#endif

+

+    if (

+	DRIExtensionInit() &&

+#ifdef XF86DRI_EVENTS

+        EventType && ScreenPrivateIndex != -1 &&

+#endif

+	(extEntry = AddExtension(XF86DRINAME,

+				 XF86DRINumberEvents,

+				 XF86DRINumberErrors,

+				 ProcXF86DRIDispatch,

+				 SProcXF86DRIDispatch,

+				 XF86DRIResetProc,

+				 StandardMinorOpcode))) {

+	DRIReqCode = (unsigned char)extEntry->base;

+	DRIErrorBase = extEntry->errorBase;

+    }

+}

+

+/*ARGSUSED*/

+static void

+XF86DRIResetProc (

+    ExtensionEntry* extEntry

+)

+{

+    DRIReset();

+}

+

+static int

+ProcXF86DRIQueryVersion(

+    register ClientPtr client

+)

+{

+    xXF86DRIQueryVersionReply rep;

+    register int n;

+

+    REQUEST_SIZE_MATCH(xXF86DRIQueryVersionReq);

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+    rep.majorVersion = SERVER_XF86DRI_MAJOR_VERSION;

+    rep.minorVersion = SERVER_XF86DRI_MINOR_VERSION;

+    rep.patchVersion = SERVER_XF86DRI_PATCH_VERSION;

+    if (client->swapped) {

+    	swaps(&rep.sequenceNumber, n);

+    	swapl(&rep.length, n);

+	swaps(&rep.majorVersion, n);

+	swaps(&rep.minorVersion, n);

+	swapl(&rep.patchVersion, n);

+    }

+    WriteToClient(client, sizeof(xXF86DRIQueryVersionReply), (char *)&rep);

+    return Success;

+}

+

+static int

+ProcXF86DRIQueryDirectRenderingCapable(

+    register ClientPtr client

+)

+{

+    xXF86DRIQueryDirectRenderingCapableReply	rep;

+    Bool isCapable;

+    register int n;

+

+    REQUEST(xXF86DRIQueryDirectRenderingCapableReq);

+    REQUEST_SIZE_MATCH(xXF86DRIQueryDirectRenderingCapableReq);

+    if (stuff->screen >= screenInfo.numScreens) {

+	client->errorValue = stuff->screen;

+	return BadValue;

+    }

+

+    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) || client->swapped)

+	rep.isCapable = 0;

+

+    if (client->swapped) {

+    	swaps(&rep.sequenceNumber, n);

+    	swapl(&rep.length, n);

+    }

+

+    WriteToClient(client, 

+	sizeof(xXF86DRIQueryDirectRenderingCapableReply), (char *)&rep);

+    return Success;

+}

+

+static int

+ProcXF86DRIOpenConnection(

+    register ClientPtr client

+)

+{

+    xXF86DRIOpenConnectionReply rep;

+    drm_handle_t			hSAREA;

+    char*			busIdString;

+

+    REQUEST(xXF86DRIOpenConnectionReq);

+    REQUEST_SIZE_MATCH(xXF86DRIOpenConnectionReq);

+    if (stuff->screen >= screenInfo.numScreens) {

+	client->errorValue = stuff->screen;

+	return BadValue;

+    }

+

+    if (!DRIOpenConnection( screenInfo.screens[stuff->screen], 

+			    &hSAREA,

+			    &busIdString)) {

+	return BadValue;

+    }

+

+    rep.type = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.busIdStringLength = 0;

+    if (busIdString)

+	rep.busIdStringLength = strlen(busIdString);

+    rep.length = bytes_to_int32(SIZEOF(xXF86DRIOpenConnectionReply) - SIZEOF(xGenericReply) +

+                  pad_to_int32(rep.busIdStringLength));

+

+    rep.hSAREALow  = (CARD32)(hSAREA & 0xffffffff);

+#if defined(LONG64) && !defined(__linux__)

+    rep.hSAREAHigh = (CARD32)(hSAREA >> 32);

+#else

+    rep.hSAREAHigh = 0;

+#endif

+

+    WriteToClient(client, sizeof(xXF86DRIOpenConnectionReply), (char *)&rep);

+    if (rep.busIdStringLength)

+	WriteToClient(client, rep.busIdStringLength, busIdString);

+    return Success;

+}

+

+static int

+ProcXF86DRIAuthConnection(

+    register ClientPtr client

+)

+{

+    xXF86DRIAuthConnectionReply rep;

+    

+    REQUEST(xXF86DRIAuthConnectionReq);

+    REQUEST_SIZE_MATCH(xXF86DRIAuthConnectionReq);

+    if (stuff->screen >= screenInfo.numScreens) {

+	client->errorValue = stuff->screen;

+	return BadValue;

+    }

+

+    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 %lu\n", (unsigned long)stuff->magic);

+	rep.authenticated = 0;

+    }

+    WriteToClient(client, sizeof(xXF86DRIAuthConnectionReply), (char *)&rep);

+    return Success;

+}

+

+static int

+ProcXF86DRICloseConnection(

+    register ClientPtr client

+)

+{

+    REQUEST(xXF86DRICloseConnectionReq);

+    REQUEST_SIZE_MATCH(xXF86DRICloseConnectionReq);

+    if (stuff->screen >= screenInfo.numScreens) {

+	client->errorValue = stuff->screen;

+	return BadValue;

+    }

+

+    DRICloseConnection( screenInfo.screens[stuff->screen]);

+

+    return Success;

+}

+

+static int

+ProcXF86DRIGetClientDriverName(

+    register ClientPtr client

+)

+{

+    xXF86DRIGetClientDriverNameReply	rep;

+    char* clientDriverName;

+

+    REQUEST(xXF86DRIGetClientDriverNameReq);

+    REQUEST_SIZE_MATCH(xXF86DRIGetClientDriverNameReq);

+    if (stuff->screen >= screenInfo.numScreens) {

+	client->errorValue = stuff->screen;

+	return BadValue;

+    }

+

+    DRIGetClientDriverName( screenInfo.screens[stuff->screen],

+			    (int *)&rep.ddxDriverMajorVersion,

+			    (int *)&rep.ddxDriverMinorVersion,

+			    (int *)&rep.ddxDriverPatchVersion,

+			    &clientDriverName);

+

+    rep.type = X_Reply;

+    rep.sequenceNumber = client->sequence;

+    rep.clientDriverNameLength = 0;

+    if (clientDriverName)

+	rep.clientDriverNameLength = strlen(clientDriverName);

+    rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetClientDriverNameReply) -

+			SIZEOF(xGenericReply) +

+			pad_to_int32(rep.clientDriverNameLength));

+

+    WriteToClient(client, 

+	sizeof(xXF86DRIGetClientDriverNameReply), (char *)&rep);

+    if (rep.clientDriverNameLength)

+	WriteToClient(client, 

+                      rep.clientDriverNameLength, 

+                      clientDriverName);

+    return Success;

+}

+

+static int

+ProcXF86DRICreateContext(

+    register ClientPtr client

+)

+{

+    xXF86DRICreateContextReply	rep;

+    ScreenPtr pScreen;

+

+    REQUEST(xXF86DRICreateContextReq);

+    REQUEST_SIZE_MATCH(xXF86DRICreateContextReq);

+    if (stuff->screen >= screenInfo.numScreens) {

+	client->errorValue = stuff->screen;

+	return BadValue;

+    }

+

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+

+    pScreen = screenInfo.screens[stuff->screen];

+

+    if (!DRICreateContext( pScreen,

+			   NULL,

+			   stuff->context,

+			   (drm_context_t *)&rep.hHWContext)) {

+	return BadValue;

+    }

+

+    WriteToClient(client, sizeof(xXF86DRICreateContextReply), (char *)&rep);

+    return Success;

+}

+

+static int

+ProcXF86DRIDestroyContext(

+    register ClientPtr client

+)

+{

+    REQUEST(xXF86DRIDestroyContextReq);

+    REQUEST_SIZE_MATCH(xXF86DRIDestroyContextReq);

+    if (stuff->screen >= screenInfo.numScreens) {

+	client->errorValue = stuff->screen;

+	return BadValue;

+    }

+

+    if (!DRIDestroyContext( screenInfo.screens[stuff->screen],

+			    stuff->context)) {

+	return BadValue;

+    }

+

+    return Success;

+}

+

+static int

+ProcXF86DRICreateDrawable(

+    ClientPtr client

+)

+{

+    xXF86DRICreateDrawableReply	rep;

+    DrawablePtr pDrawable;

+    int rc;

+

+    REQUEST(xXF86DRICreateDrawableReq);

+    REQUEST_SIZE_MATCH(xXF86DRICreateDrawableReq);

+    if (stuff->screen >= screenInfo.numScreens) {

+	client->errorValue = stuff->screen;

+	return BadValue;

+    }

+

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+

+    rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,

+			   DixReadAccess);

+    if (rc != Success)

+	return rc;

+

+    if (!DRICreateDrawable(screenInfo.screens[stuff->screen], client,

+			   pDrawable, (drm_drawable_t *)&rep.hHWDrawable)) {

+	return BadValue;

+    }

+

+    WriteToClient(client, sizeof(xXF86DRICreateDrawableReply), (char *)&rep);

+    return Success;

+}

+

+static int

+ProcXF86DRIDestroyDrawable(

+    register ClientPtr client

+)

+{

+    REQUEST(xXF86DRIDestroyDrawableReq);

+    DrawablePtr pDrawable;

+    int rc;

+    REQUEST_SIZE_MATCH(xXF86DRIDestroyDrawableReq);

+

+    if (stuff->screen >= screenInfo.numScreens) {

+	client->errorValue = stuff->screen;

+	return BadValue;

+    }

+

+    rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,

+			   DixReadAccess);

+    if (rc != Success)

+	return rc;

+

+    if (!DRIDestroyDrawable(screenInfo.screens[stuff->screen], client,

+			    pDrawable)) {

+	return BadValue;

+    }

+

+    return Success;

+}

+

+static int

+ProcXF86DRIGetDrawableInfo(

+    register ClientPtr client

+)

+{

+    xXF86DRIGetDrawableInfoReply	rep;

+    DrawablePtr pDrawable;

+    int X, Y, W, H;

+    drm_clip_rect_t * pClipRects, *pClippedRects;

+    drm_clip_rect_t * pBackClipRects;

+    int backX, backY, rc;

+

+    REQUEST(xXF86DRIGetDrawableInfoReq);

+    REQUEST_SIZE_MATCH(xXF86DRIGetDrawableInfoReq);

+    if (stuff->screen >= screenInfo.numScreens) {

+	client->errorValue = stuff->screen;

+	return BadValue;

+    }

+

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+

+    rc = dixLookupDrawable(&pDrawable, stuff->drawable, client, 0,

+			   DixReadAccess);

+    if (rc != Success)

+	return rc;

+

+    if (!DRIGetDrawableInfo( screenInfo.screens[stuff->screen],

+			     pDrawable,

+			     (unsigned int*)&rep.drawableTableIndex,

+			     (unsigned int*)&rep.drawableTableStamp,

+			     (int*)&X,

+			     (int*)&Y,

+			     (int*)&W,

+			     (int*)&H,

+			     (int*)&rep.numClipRects,

+			     &pClipRects,

+			     &backX, 

+			     &backY,

+			     (int*)&rep.numBackClipRects,

+			     &pBackClipRects)) {

+	return BadValue;

+    }

+

+    rep.drawableX = X;

+    rep.drawableY = Y;

+    rep.drawableWidth = W;

+    rep.drawableHeight = H;

+    rep.length = (SIZEOF(xXF86DRIGetDrawableInfoReply) - 

+		  SIZEOF(xGenericReply));

+

+    rep.backX = backX;

+    rep.backY = backY;

+        

+    if (rep.numBackClipRects) 

+       rep.length += sizeof(drm_clip_rect_t) * rep.numBackClipRects;    

+

+    pClippedRects = pClipRects;

+

+    if (rep.numClipRects) {

+       /* Clip cliprects to screen dimensions (redirected windows) */

+       pClippedRects = malloc(rep.numClipRects * sizeof(drm_clip_rect_t));

+

+       if (pClippedRects) {

+	    ScreenPtr pScreen = screenInfo.screens[stuff->screen];

+	    int i, j;

+

+	    for (i = 0, j = 0; i < rep.numClipRects; i++) {

+		pClippedRects[j].x1 = max(pClipRects[i].x1, 0);

+		pClippedRects[j].y1 = max(pClipRects[i].y1, 0);

+		pClippedRects[j].x2 = min(pClipRects[i].x2, pScreen->width);

+		pClippedRects[j].y2 = min(pClipRects[i].y2, pScreen->height);

+

+		if (pClippedRects[j].x1 < pClippedRects[j].x2 &&

+		    pClippedRects[j].y1 < pClippedRects[j].y2) {

+		    j++;

+		}

+	    }

+

+	    rep.numClipRects = j;

+       } else {

+	    rep.numClipRects = 0;

+       }

+

+       rep.length += sizeof(drm_clip_rect_t) * rep.numClipRects;

+    }

+    

+    rep.length = bytes_to_int32(rep.length);

+

+    WriteToClient(client, sizeof(xXF86DRIGetDrawableInfoReply), (char *)&rep);

+

+    if (rep.numClipRects) {

+	WriteToClient(client,  

+		      sizeof(drm_clip_rect_t) * rep.numClipRects,

+		      (char *)pClippedRects);

+	free(pClippedRects);

+    }

+

+    if (rep.numBackClipRects) {

+       WriteToClient(client, 

+		     sizeof(drm_clip_rect_t) * rep.numBackClipRects,

+		     (char *)pBackClipRects);

+    }

+

+    return Success;

+}

+

+static int

+ProcXF86DRIGetDeviceInfo(

+    register ClientPtr client

+)

+{

+    xXF86DRIGetDeviceInfoReply	rep;

+    drm_handle_t hFrameBuffer;

+    void *pDevPrivate;

+

+    REQUEST(xXF86DRIGetDeviceInfoReq);

+    REQUEST_SIZE_MATCH(xXF86DRIGetDeviceInfoReq);

+    if (stuff->screen >= screenInfo.numScreens) {

+	client->errorValue = stuff->screen;

+	return BadValue;

+    }

+

+    rep.type = X_Reply;

+    rep.length = 0;

+    rep.sequenceNumber = client->sequence;

+

+    if (!DRIGetDeviceInfo( screenInfo.screens[stuff->screen],

+			   &hFrameBuffer,

+			   (int*)&rep.framebufferOrigin,

+			   (int*)&rep.framebufferSize,

+			   (int*)&rep.framebufferStride,

+			   (int*)&rep.devPrivateSize,

+			   &pDevPrivate)) {

+	return BadValue;

+    }

+

+    rep.hFrameBufferLow  = (CARD32)(hFrameBuffer & 0xffffffff);

+#if defined(LONG64) && !defined(__linux__)

+    rep.hFrameBufferHigh = (CARD32)(hFrameBuffer >> 32);

+#else

+    rep.hFrameBufferHigh = 0;

+#endif

+

+    rep.length = 0;

+    if (rep.devPrivateSize) {

+	rep.length = bytes_to_int32(SIZEOF(xXF86DRIGetDeviceInfoReply) -

+		      SIZEOF(xGenericReply) +

+		      pad_to_int32(rep.devPrivateSize));

+    }

+

+    WriteToClient(client, sizeof(xXF86DRIGetDeviceInfoReply), (char *)&rep);

+    if (rep.length) {

+	WriteToClient(client, rep.devPrivateSize, (char *)pDevPrivate);

+    }

+    return Success;

+}

+

+static int

+ProcXF86DRIDispatch (

+    register ClientPtr	client

+)

+{

+    REQUEST(xReq);

+

+    switch (stuff->data)

+    {

+    case X_XF86DRIQueryVersion:

+	return ProcXF86DRIQueryVersion(client);

+    case X_XF86DRIQueryDirectRenderingCapable:

+	return ProcXF86DRIQueryDirectRenderingCapable(client);

+    }

+

+    if (!LocalClient(client))

+	return DRIErrorBase + XF86DRIClientNotLocal;

+

+    switch (stuff->data)

+    {

+    case X_XF86DRIOpenConnection:

+	return ProcXF86DRIOpenConnection(client);

+    case X_XF86DRICloseConnection:

+	return ProcXF86DRICloseConnection(client);

+    case X_XF86DRIGetClientDriverName:

+	return ProcXF86DRIGetClientDriverName(client);

+    case X_XF86DRICreateContext:

+	return ProcXF86DRICreateContext(client);

+    case X_XF86DRIDestroyContext:

+	return ProcXF86DRIDestroyContext(client);

+    case X_XF86DRICreateDrawable:

+	return ProcXF86DRICreateDrawable(client);

+    case X_XF86DRIDestroyDrawable:

+	return ProcXF86DRIDestroyDrawable(client);

+    case X_XF86DRIGetDrawableInfo:

+	return ProcXF86DRIGetDrawableInfo(client);

+    case X_XF86DRIGetDeviceInfo:

+	return ProcXF86DRIGetDeviceInfo(client);

+    case X_XF86DRIAuthConnection:

+	return ProcXF86DRIAuthConnection(client);

+    /* {Open,Close}FullScreen are deprecated now */

+    default:

+	return BadRequest;

+    }

+}

+

+static int

+SProcXF86DRIQueryVersion(

+    register ClientPtr	client

+)

+{

+    register int n;

+    REQUEST(xXF86DRIQueryVersionReq);

+    swaps(&stuff->length, n);

+    return ProcXF86DRIQueryVersion(client);

+}

+

+static int

+SProcXF86DRIQueryDirectRenderingCapable(

+    register ClientPtr client

+)

+{

+    register int n;

+    REQUEST(xXF86DRIQueryDirectRenderingCapableReq);

+    swaps(&stuff->length, n);

+    swapl(&stuff->screen, n);

+    return ProcXF86DRIQueryDirectRenderingCapable(client);

+}

+

+static int

+SProcXF86DRIDispatch (

+    register 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_XF86DRIQueryVersion:

+	return SProcXF86DRIQueryVersion(client);

+    case X_XF86DRIQueryDirectRenderingCapable:

+	return SProcXF86DRIQueryDirectRenderingCapable(client);

+    default:

+	return DRIErrorBase + XF86DRIClientNotLocal;

+    }

+}