Merge branch 'master' of git+ssh://AustinYuan@git.freedesktop.org/git/libva into sync-fdo-master

.cvsignore

+*~
+Makefile.in
+Makefile

src/X11/Makefile.am

+# INTEL CONFIDENTIAL
+# Copyright 2007 Intel Corporation. All Rights Reserved.
+#
+# The source code contained or described herein and all documents related to
+# the source code ("Material") are owned by Intel Corporation or its suppliers
+# or licensors. Title to the Material remains with Intel Corporation or its
+# suppliers and licensors. The Material may contain trade secrets and
+# proprietary and confidential information of Intel Corporation and its
+# suppliers and licensors, and is protected by worldwide copyright and trade
+# secret laws and treaty provisions. No part of the Material may be used,
+# copied, reproduced, modified, published, uploaded, posted, transmitted,
+# distributed, or disclosed in any way without Intel's prior express written
+# permission. 
+# 
+# No license under any patent, copyright, trade secret or other intellectual
+# property right is granted to or conferred upon you by disclosure or delivery
+# of the Materials, either expressly, by implication, inducement, estoppel or
+# otherwise. Any license under such intellectual property rights must be
+# express and approved by Intel in writing.
+
+AM_CFLAGS = -DLINUX -DIN_LIBVA -I$(top_srcdir)/src $(DRM_CFLAGS)
+
+noinst_LTLIBRARIES = libva_X11.la	
+
+libva_X11includedir =  ${includedir}/va
+libva_X11include_HEADERS = va_x11.h va_dri.h va_dri2.h
+
+libva_X11_la_SOURCES = va_x11.c va_dri.c va_dri2.c
+CFLAGS = -ansi -O2 

src/X11/va_dri.c

+/* $XFree86: xc/lib/GL/dri/XF86dri.c,v 1.13 2002/10/30 12:51:25 alanh Exp $ */
+/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+Copyright 2000 VA Linux Systems, Inc.
+Copyright 2007 Intel Corporation
+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>
+ *
+ */
+
+/* THIS IS NOT AN X CONSORTIUM STANDARD */
+
+#define NEED_REPLIES
+#include <X11/Xlibint.h>
+#include <X11/extensions/Xext.h>
+#include <X11/extensions/extutil.h>
+#include "va_dristr.h"
+
+#define PUBLIC
+
+static XExtensionInfo _va_dri_info_data;
+static XExtensionInfo *va_dri_info = &_va_dri_info_data;
+static char va_dri_extension_name[] = VA_DRINAME;
+
+#define VA_DRICheckExtension(dpy,i,val) \
+  XextCheckExtension (dpy, i, va_dri_extension_name, val)
+
+/*****************************************************************************
+ *                                                                           *
+ *			   private utility routines                          *
+ *                                                                           *
+ *****************************************************************************/
+
+static int close_display(Display *dpy, XExtCodes *extCodes);
+static /* const */ XExtensionHooks va_dri_extension_hooks = {
+    NULL,				/* create_gc */
+    NULL,				/* copy_gc */
+    NULL,				/* flush_gc */
+    NULL,				/* free_gc */
+    NULL,				/* create_font */
+    NULL,				/* free_font */
+    close_display,			/* close_display */
+    NULL,				/* wire_to_event */
+    NULL,				/* event_to_wire */
+    NULL,				/* error */
+    NULL,				/* error_string */
+};
+
+static XEXT_GENERATE_FIND_DISPLAY (find_display, va_dri_info, 
+				   va_dri_extension_name, 
+				   &va_dri_extension_hooks, 
+				   0, NULL)
+
+static XEXT_GENERATE_CLOSE_DISPLAY (close_display, va_dri_info)
+
+
+/*****************************************************************************
+ *                                                                           *
+ *		    public XFree86-DRI Extension routines                    *
+ *                                                                           *
+ *****************************************************************************/
+
+#if 0
+#include <stdio.h>
+#define TRACE(msg)  fprintf(stderr,"XF86DRI%s\n", msg);
+#else
+#define TRACE(msg)
+#endif
+
+
+PUBLIC Bool VA_DRIQueryExtension (dpy, event_basep, error_basep)
+    Display *dpy;
+    int *event_basep, *error_basep;
+{
+    XExtDisplayInfo *info = find_display (dpy);
+
+    TRACE("QueryExtension...");
+    if (XextHasExtension(info)) {
+	*event_basep = info->codes->first_event;
+	*error_basep = info->codes->first_error;
+        TRACE("QueryExtension... return True");
+	return True;
+    } else {
+        TRACE("QueryExtension... return False");
+	return False;
+    }
+}
+
+PUBLIC Bool VA_DRIQueryVersion(dpy, majorVersion, minorVersion, patchVersion)
+    Display* dpy;
+    int* majorVersion; 
+    int* minorVersion;
+    int* patchVersion;
+{
+    XExtDisplayInfo *info = find_display (dpy);
+    xVA_DRIQueryVersionReply rep;
+    xVA_DRIQueryVersionReq *req;
+
+    TRACE("QueryVersion...");
+    VA_DRICheckExtension (dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(VA_DRIQueryVersion, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_VA_DRIQueryVersion;
+    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+	UnlockDisplay(dpy);
+	SyncHandle();
+        TRACE("QueryVersion... return False");
+	return False;
+    }
+    *majorVersion = rep.majorVersion;
+    *minorVersion = rep.minorVersion;
+    *patchVersion = rep.patchVersion;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("QueryVersion... return True");
+    return True;
+}
+
+PUBLIC Bool VA_DRIQueryDirectRenderingCapable(dpy, screen, isCapable)
+    Display* dpy;
+    int screen;
+    Bool* isCapable;
+{
+    XExtDisplayInfo *info = find_display (dpy);
+    xVA_DRIQueryDirectRenderingCapableReply rep;
+    xVA_DRIQueryDirectRenderingCapableReq *req;
+
+    TRACE("QueryDirectRenderingCapable...");
+    VA_DRICheckExtension (dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(VA_DRIQueryDirectRenderingCapable, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_VA_DRIQueryDirectRenderingCapable;
+    req->screen = screen;
+    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+	UnlockDisplay(dpy);
+	SyncHandle();
+        TRACE("QueryDirectRenderingCapable... return False");
+	return False;
+    }
+    *isCapable = rep.isCapable;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("QueryDirectRenderingCapable... return True");
+    return True;
+}
+
+PUBLIC Bool VA_DRIOpenConnection(dpy, screen, hSAREA, busIdString)
+    Display* dpy;
+    int screen;
+    drm_handle_t * hSAREA;
+    char **busIdString;
+{
+    XExtDisplayInfo *info = find_display (dpy);
+    xVA_DRIOpenConnectionReply rep;
+    xVA_DRIOpenConnectionReq *req;
+
+    TRACE("OpenConnection...");
+    VA_DRICheckExtension (dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(VA_DRIOpenConnection, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_VA_DRIOpenConnection;
+    req->screen = screen;
+    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+	UnlockDisplay(dpy);
+	SyncHandle();
+        TRACE("OpenConnection... return False");
+	return False;
+    }
+
+    *hSAREA = rep.hSAREALow;
+    if (sizeof(drm_handle_t) == 8) {
+       int shift = 32; /* var to prevent warning on next line */
+       *hSAREA |= ((drm_handle_t) rep.hSAREAHigh) << shift;
+    }
+
+    if (rep.length) {
+        if (!(*busIdString = (char *)Xcalloc(rep.busIdStringLength + 1, 1))) {
+            _XEatData(dpy, ((rep.busIdStringLength+3) & ~3));
+            UnlockDisplay(dpy);
+            SyncHandle();
+            TRACE("OpenConnection... return False");
+            return False;
+        }
+	_XReadPad(dpy, *busIdString, rep.busIdStringLength);
+    } else {
+        *busIdString = NULL;
+    }
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("OpenConnection... return True");
+    return True;
+}
+
+PUBLIC Bool VA_DRIAuthConnection(dpy, screen, magic)
+    Display* dpy;
+    int screen;
+    drm_magic_t magic;
+{
+    XExtDisplayInfo *info = find_display (dpy);
+    xVA_DRIAuthConnectionReq *req;
+    xVA_DRIAuthConnectionReply rep;
+
+    TRACE("AuthConnection...");
+    VA_DRICheckExtension (dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(VA_DRIAuthConnection, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_VA_DRIAuthConnection;
+    req->screen = screen;
+    req->magic = magic;
+    rep.authenticated = 0;
+    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse) || !rep.authenticated) {
+	UnlockDisplay(dpy);
+	SyncHandle();
+        TRACE("AuthConnection... return False");
+	return False;
+    }
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("AuthConnection... return True");
+    return True;
+}
+
+PUBLIC Bool VA_DRICloseConnection(dpy, screen)
+    Display* dpy;
+    int screen;
+{
+    XExtDisplayInfo *info = find_display (dpy);
+    xVA_DRICloseConnectionReq *req;
+
+    TRACE("CloseConnection...");
+
+    VA_DRICheckExtension (dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(VA_DRICloseConnection, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_VA_DRICloseConnection;
+    req->screen = screen;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("CloseConnection... return True");
+    return True;
+}
+
+PUBLIC Bool VA_DRIGetClientDriverName(dpy, screen, ddxDriverMajorVersion, 
+	ddxDriverMinorVersion, ddxDriverPatchVersion, clientDriverName)
+    Display* dpy;
+    int screen;
+    int* ddxDriverMajorVersion;
+    int* ddxDriverMinorVersion;
+    int* ddxDriverPatchVersion;
+    char** clientDriverName;
+{
+    XExtDisplayInfo *info = find_display (dpy);
+    xVA_DRIGetClientDriverNameReply rep;
+    xVA_DRIGetClientDriverNameReq *req;
+
+    TRACE("GetClientDriverName...");
+    VA_DRICheckExtension (dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(VA_DRIGetClientDriverName, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_VA_DRIGetClientDriverName;
+    req->screen = screen;
+    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+	UnlockDisplay(dpy);
+	SyncHandle();
+        TRACE("GetClientDriverName... return False");
+	return False;
+    }
+
+    *ddxDriverMajorVersion = rep.ddxDriverMajorVersion;
+    *ddxDriverMinorVersion = rep.ddxDriverMinorVersion;
+    *ddxDriverPatchVersion = rep.ddxDriverPatchVersion;
+
+    if (rep.length) {
+        if (!(*clientDriverName = (char *)Xcalloc(rep.clientDriverNameLength + 1, 1))) {
+            _XEatData(dpy, ((rep.clientDriverNameLength+3) & ~3));
+            UnlockDisplay(dpy);
+            SyncHandle();
+            TRACE("GetClientDriverName... return False");
+            return False;
+        }
+	_XReadPad(dpy, *clientDriverName, rep.clientDriverNameLength);
+    } else {
+        *clientDriverName = NULL;
+    }
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("GetClientDriverName... return True");
+    return True;
+}
+
+PUBLIC Bool VA_DRICreateContextWithConfig(dpy, screen, configID, context,
+	hHWContext)
+    Display* dpy;
+    int screen;
+    int configID;
+    XID* context;
+    drm_context_t * hHWContext;
+{
+    XExtDisplayInfo *info = find_display (dpy);
+    xVA_DRICreateContextReply rep;
+    xVA_DRICreateContextReq *req;
+
+    TRACE("CreateContext...");
+    VA_DRICheckExtension (dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(VA_DRICreateContext, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_VA_DRICreateContext;
+    req->visual = configID;
+    req->screen = screen;
+    *context = XAllocID(dpy);
+    req->context = *context;
+    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+	UnlockDisplay(dpy);
+	SyncHandle();
+        TRACE("CreateContext... return False");
+	return False;
+    }
+    *hHWContext = rep.hHWContext;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("CreateContext... return True");
+    return True;
+}
+
+PUBLIC Bool VA_DRICreateContext(dpy, screen, visual, context, hHWContext)
+    Display* dpy;
+    int screen;
+    Visual* visual;
+    XID* context;
+    drm_context_t * hHWContext;
+{
+    return VA_DRICreateContextWithConfig( dpy, screen, visual->visualid,
+					   context, hHWContext );
+}
+
+PUBLIC Bool VA_DRIDestroyContext( __DRInativeDisplay * ndpy, int screen, 
+    __DRIid context )
+{
+    Display * const dpy = (Display *) ndpy;
+    XExtDisplayInfo *info = find_display (dpy);
+    xVA_DRIDestroyContextReq *req;
+
+    TRACE("DestroyContext...");
+    VA_DRICheckExtension (dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(VA_DRIDestroyContext, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_VA_DRIDestroyContext;
+    req->screen = screen;
+    req->context = context;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("DestroyContext... return True");
+    return True;
+}
+
+PUBLIC Bool VA_DRICreateDrawable( __DRInativeDisplay * ndpy, int screen, 
+    __DRIid drawable, drm_drawable_t * hHWDrawable )
+{
+    Display * const dpy = (Display *) ndpy;
+    XExtDisplayInfo *info = find_display (dpy);
+    xVA_DRICreateDrawableReply rep;
+    xVA_DRICreateDrawableReq *req;
+
+    TRACE("CreateDrawable...");
+    VA_DRICheckExtension (dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(VA_DRICreateDrawable, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_VA_DRICreateDrawable;
+    req->screen = screen;
+    req->drawable = drawable;
+    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+	UnlockDisplay(dpy);
+	SyncHandle();
+        TRACE("CreateDrawable... return False");
+	return False;
+    }
+    *hHWDrawable = rep.hHWDrawable;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("CreateDrawable... return True");
+    return True;
+}
+
+PUBLIC Bool VA_DRIDestroyDrawable( __DRInativeDisplay * ndpy, int screen,
+    __DRIid drawable )
+{
+    Display * const dpy = (Display *) ndpy;
+    XExtDisplayInfo *info = find_display (dpy);
+    xVA_DRIDestroyDrawableReq *req;
+
+    TRACE("DestroyDrawable...");
+    VA_DRICheckExtension (dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(VA_DRIDestroyDrawable, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_VA_DRIDestroyDrawable;
+    req->screen = screen;
+    req->drawable = drawable;
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("DestroyDrawable... return True");
+    return True;
+}
+
+PUBLIC Bool VA_DRIGetDrawableInfo(Display* dpy, int screen, Drawable drawable,
+    unsigned int* index, unsigned int* stamp,
+    int* X, int* Y, int* W, int* H,
+    int* numClipRects, drm_clip_rect_t ** pClipRects,
+    int* backX, int* backY,
+    int* numBackClipRects, drm_clip_rect_t ** pBackClipRects )
+{
+    XExtDisplayInfo *info = find_display (dpy);
+    xVA_DRIGetDrawableInfoReply rep;
+    xVA_DRIGetDrawableInfoReq *req;
+    int total_rects;
+
+    TRACE("GetDrawableInfo...");
+    VA_DRICheckExtension (dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(VA_DRIGetDrawableInfo, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_VA_DRIGetDrawableInfo;
+    req->screen = screen;
+    req->drawable = drawable;
+
+    if (!_XReply(dpy, (xReply *)&rep, 1, xFalse)) 
+    {
+	UnlockDisplay(dpy);
+	SyncHandle();
+        TRACE("GetDrawableInfo... return False");
+	return False;
+    }
+    *index = rep.drawableTableIndex;
+    *stamp = rep.drawableTableStamp;
+    *X = (int)rep.drawableX;
+    *Y = (int)rep.drawableY;
+    *W = (int)rep.drawableWidth;
+    *H = (int)rep.drawableHeight;
+    *numClipRects = rep.numClipRects;
+    total_rects = *numClipRects;
+
+    *backX = rep.backX;
+    *backY = rep.backY;
+    *numBackClipRects = rep.numBackClipRects;
+    total_rects += *numBackClipRects;
+
+#if 0
+    /* Because of the fix in Xserver/GL/dri/xf86dri.c, this check breaks
+     * backwards compatibility (Because of the >> 2 shift) but the fix
+     * enables multi-threaded apps to work.
+     */
+    if (rep.length !=  ((((SIZEOF(xVA_DRIGetDrawableInfoReply) - 
+		       SIZEOF(xGenericReply) + 
+		       total_rects * sizeof(drm_clip_rect_t)) + 3) & ~3) >> 2)) {
+        _XEatData(dpy, rep.length);
+	UnlockDisplay(dpy);
+	SyncHandle();
+        TRACE("GetDrawableInfo... return False");
+        return False;
+    }
+#endif
+
+    if (*numClipRects) {
+       int len = sizeof(drm_clip_rect_t) * (*numClipRects);
+
+       *pClipRects = (drm_clip_rect_t *)Xcalloc(len, 1);
+       if (*pClipRects) 
+	  _XRead(dpy, (char*)*pClipRects, len);
+    } else {
+        *pClipRects = NULL;
+    }
+
+    if (*numBackClipRects) {
+       int len = sizeof(drm_clip_rect_t) * (*numBackClipRects);
+
+       *pBackClipRects = (drm_clip_rect_t *)Xcalloc(len, 1);
+       if (*pBackClipRects) 
+	  _XRead(dpy, (char*)*pBackClipRects, len);
+    } else {
+        *pBackClipRects = NULL;
+    }
+
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("GetDrawableInfo... return True");
+    return True;
+}
+
+PUBLIC Bool VA_DRIGetDeviceInfo(dpy, screen, hFrameBuffer, 
+	fbOrigin, fbSize, fbStride, devPrivateSize, pDevPrivate)
+    Display* dpy;
+    int screen;
+    drm_handle_t * hFrameBuffer;
+    int* fbOrigin;
+    int* fbSize;
+    int* fbStride;
+    int* devPrivateSize;
+    void** pDevPrivate;
+{
+    XExtDisplayInfo *info = find_display (dpy);
+    xVA_DRIGetDeviceInfoReply rep;
+    xVA_DRIGetDeviceInfoReq *req;
+
+    TRACE("GetDeviceInfo...");
+    VA_DRICheckExtension (dpy, info, False);
+
+    LockDisplay(dpy);
+    GetReq(VA_DRIGetDeviceInfo, req);
+    req->reqType = info->codes->major_opcode;
+    req->driReqType = X_VA_DRIGetDeviceInfo;
+    req->screen = screen;
+    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+	UnlockDisplay(dpy);
+	SyncHandle();
+        TRACE("GetDeviceInfo... return False");
+	return False;
+    }
+
+    *hFrameBuffer = rep.hFrameBufferLow;
+    if (sizeof(drm_handle_t) == 8) {
+       int shift = 32; /* var to prevent warning on next line */
+       *hFrameBuffer |= ((drm_handle_t) rep.hFrameBufferHigh) << shift;
+    }
+
+    *fbOrigin = rep.framebufferOrigin;
+    *fbSize = rep.framebufferSize;
+    *fbStride = rep.framebufferStride;
+    *devPrivateSize = rep.devPrivateSize;
+
+    if (rep.length) {
+        if (!(*pDevPrivate = (void *)Xcalloc(rep.devPrivateSize, 1))) {
+            _XEatData(dpy, ((rep.devPrivateSize+3) & ~3));
+            UnlockDisplay(dpy);
+            SyncHandle();
+            TRACE("GetDeviceInfo... return False");
+            return False;
+        }
+	_XRead(dpy, (char*)*pDevPrivate, rep.devPrivateSize);
+    } else {
+        *pDevPrivate = NULL;
+    }
+
+    UnlockDisplay(dpy);
+    SyncHandle();
+    TRACE("GetDeviceInfo... return True");
+    return True;
+}
+
+PUBLIC Bool VA_DRIOpenFullScreen(dpy, screen, drawable)
+    Display* dpy;
+    int screen;
+    Drawable drawable;
+{
+    /* This function and the underlying X protocol are deprecated.
+     */
+    (void) dpy;
+    (void) screen;
+    (void) drawable;
+    return False;
+}
+
+PUBLIC Bool VA_DRICloseFullScreen(dpy, screen, drawable)
+    Display* dpy;
+    int screen;
+    Drawable drawable;
+{
+    /* This function and the underlying X protocol are deprecated.
+     */
+    (void) dpy;
+    (void) screen;
+    (void) drawable;
+    return True;
+}
+
+#undef TRACE
+

src/X11/va_dri.h

+/* $XFree86: xc/lib/GL/dri/xf86dri.h,v 1.8 2002/10/30 12:51:25 alanh Exp $ */
+/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+Copyright 2000 VA Linux Systems, Inc.
+Copyright 2007 Intel Corporation
+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.
+
+**************************************************************************/
+
+/**
+ * \file xf86dri.h
+ * Protocol numbers and function prototypes for DRI X protocol.
+ *
+ * \author Kevin E. Martin <martin@valinux.com>
+ * \author Jens Owen <jens@tungstengraphics.com>
+ * \author Rickard E. (Rik) Faith <faith@valinux.com>
+ */
+
+#ifndef _VA_DRI_H_
+#define _VA_DRI_H_
+
+#include <X11/Xfuncproto.h>
+#include <xf86drm.h>
+
+#define X_VA_DRIQueryVersion			0
+#define X_VA_DRIQueryDirectRenderingCapable	1
+#define X_VA_DRIOpenConnection			2
+#define X_VA_DRICloseConnection		3
+#define X_VA_DRIGetClientDriverName		4
+#define X_VA_DRICreateContext			5
+#define X_VA_DRIDestroyContext			6
+#define X_VA_DRICreateDrawable			7
+#define X_VA_DRIDestroyDrawable		8
+#define X_VA_DRIGetDrawableInfo		9
+#define X_VA_DRIGetDeviceInfo			10
+#define X_VA_DRIAuthConnection                 11
+#define X_VA_DRIOpenFullScreen                 12   /* Deprecated */
+#define X_VA_DRICloseFullScreen                13   /* Deprecated */
+
+#define VA_DRINumberEvents		0
+
+#define VA_DRIClientNotLocal		0
+#define VA_DRIOperationNotSupported	1
+#define VA_DRINumberErrors		(VA_DRIOperationNotSupported + 1)
+
+typedef unsigned long __DRIid;
+typedef void __DRInativeDisplay;
+
+_XFUNCPROTOBEGIN
+
+Bool VA_DRIQueryExtension( Display *dpy, int *event_base, int *error_base );
+
+Bool VA_DRIQueryVersion( Display *dpy, int *majorVersion, int *minorVersion,
+    int *patchVersion );
+
+Bool VA_DRIQueryDirectRenderingCapable( Display *dpy, int screen,
+    Bool *isCapable );
+
+Bool VA_DRIOpenConnection( Display *dpy, int screen, drm_handle_t *hSAREA,
+    char **busIDString );
+
+Bool VA_DRIAuthConnection( Display *dpy, int screen, drm_magic_t magic );
+
+Bool VA_DRICloseConnection( Display *dpy, int screen );
+
+Bool VA_DRIGetClientDriverName( Display *dpy, int screen,
+    int *ddxDriverMajorVersion, int *ddxDriverMinorVersion,
+    int *ddxDriverPatchVersion, char **clientDriverName );
+
+Bool VA_DRICreateContext( Display *dpy, int screen, Visual *visual,
+    XID *ptr_to_returned_context_id, drm_context_t *hHWContext );
+
+Bool VA_DRICreateContextWithConfig( Display *dpy, int screen, int configID,
+    XID *ptr_to_returned_context_id, drm_context_t *hHWContext );
+
+Bool VA_DRIDestroyContext( __DRInativeDisplay *dpy, int screen,
+    __DRIid context_id );
+
+Bool VA_DRICreateDrawable( __DRInativeDisplay *dpy, int screen,
+    __DRIid drawable, drm_drawable_t *hHWDrawable );
+
+Bool VA_DRIDestroyDrawable( __DRInativeDisplay *dpy, int screen, 
+    __DRIid drawable);
+
+Bool VA_DRIGetDrawableInfo( Display *dpy, int screen, Drawable drawable,
+    unsigned int *index, unsigned int *stamp, 
+    int *X, int *Y, int *W, int *H,
+    int *numClipRects, drm_clip_rect_t ** pClipRects,
+    int *backX, int *backY,
+    int *numBackClipRects, drm_clip_rect_t **pBackClipRects );
+
+Bool VA_DRIGetDeviceInfo( Display *dpy, int screen,
+    drm_handle_t *hFrameBuffer, int *fbOrigin, int *fbSize,
+    int *fbStride, int *devPrivateSize, void **pDevPrivate );
+
+_XFUNCPROTOEND
+
+#endif /* _VA_DRI_H_ */
+

src/X11/va_dri2.c

+/*
+ * 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)
+ */
+
+
+#define NEED_REPLIES
+#include <X11/Xlibint.h>
+#include <X11/extensions/Xext.h>
+#include <X11/extensions/extutil.h>
+#include "xf86drm.h"
+#include "va_dri2.h"
+#include "va_dri2str.h"
+#include "va_dri2tokens.h"
+
+#ifndef DRI2DriverDRI
+#define DRI2DriverDRI 0
+#endif
+
+static char va_dri2ExtensionName[] = DRI2_NAME;
+static XExtensionInfo _va_dri2_info_data;
+static XExtensionInfo *va_dri2Info = &_va_dri2_info_data;
+static XEXT_GENERATE_CLOSE_DISPLAY (VA_DRI2CloseDisplay, va_dri2Info)
+static /* const */ XExtensionHooks va_dri2ExtensionHooks = {
+    NULL,				/* create_gc */
+    NULL,				/* copy_gc */
+    NULL,				/* flush_gc */
+    NULL,				/* free_gc */
+    NULL,				/* create_font */
+    NULL,				/* free_font */
+    VA_DRI2CloseDisplay,		/* close_display */
+    NULL,				/* wire_to_event */
+    NULL,				/* event_to_wire */
+    NULL,				/* error */
+    NULL,				/* error_string */
+};
+
+static XEXT_GENERATE_FIND_DISPLAY (DRI2FindDisplay, va_dri2Info, 
+				   va_dri2ExtensionName, 
+				   &va_dri2ExtensionHooks, 
+				   0, NULL)
+
+Bool VA_DRI2QueryExtension(Display *dpy, int *eventBase, int *errorBase)
+{
+    XExtDisplayInfo *info = DRI2FindDisplay(dpy);
+
+    if (XextHasExtension(info)) {
+	*eventBase = info->codes->first_event;
+	*errorBase = info->codes->first_error;
+	return True;
+    }
+
+    return False;
+}
+
+Bool VA_DRI2QueryVersion(Display *dpy, int *major, int *minor)
+{
+    XExtDisplayInfo *info = DRI2FindDisplay (dpy);
+    xDRI2QueryVersionReply rep;
+    xDRI2QueryVersionReq *req;
+
+    XextCheckExtension (dpy, info, va_dri2ExtensionName, False);
+
+    LockDisplay(dpy);
+    GetReq(DRI2QueryVersion, req);
+    req->reqType = info->codes->major_opcode;
+    req->dri2ReqType = X_DRI2QueryVersion;
+    req->majorVersion = DRI2_MAJOR;
+    req->minorVersion = DRI2_MINOR;
+    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+	UnlockDisplay(dpy);
+	SyncHandle();
+	return False;
+    }
+    *major = rep.majorVersion;
+    *minor = rep.minorVersion;
+    UnlockDisplay(dpy);
+    SyncHandle();
+
+    return True;
+}
+
+Bool VA_DRI2Connect(Display *dpy, XID window,
+		 char **driverName, char **deviceName)
+{
+    XExtDisplayInfo *info = DRI2FindDisplay(dpy);
+    xDRI2ConnectReply rep;
+    xDRI2ConnectReq *req;
+
+    XextCheckExtension (dpy, info, va_dri2ExtensionName, False);
+
+    LockDisplay(dpy);
+    GetReq(DRI2Connect, req);
+    req->reqType = info->codes->major_opcode;
+    req->dri2ReqType = X_DRI2Connect;
+    req->window = window;
+    req->driverType = DRI2DriverDRI;
+    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+	UnlockDisplay(dpy);
+	SyncHandle();
+	return False;
+    }
+
+    if (rep.driverNameLength == 0 && rep.deviceNameLength == 0) {
+	UnlockDisplay(dpy);
+	SyncHandle();
+	return False;
+    }
+
+    *driverName = Xmalloc(rep.driverNameLength + 1);
+    if (*driverName == NULL) {
+	_XEatData(dpy, 
+		  ((rep.driverNameLength + 3) & ~3) +
+		  ((rep.deviceNameLength + 3) & ~3));
+	UnlockDisplay(dpy);
+	SyncHandle();
+	return False;
+    }
+    _XReadPad(dpy, *driverName, rep.driverNameLength);
+    (*driverName)[rep.driverNameLength] = '\0';
+
+    *deviceName = Xmalloc(rep.deviceNameLength + 1);
+    if (*deviceName == NULL) {
+	Xfree(*driverName);
+	_XEatData(dpy, ((rep.deviceNameLength + 3) & ~3));
+	UnlockDisplay(dpy);
+	SyncHandle();
+	return False;
+    }
+    _XReadPad(dpy, *deviceName, rep.deviceNameLength);
+    (*deviceName)[rep.deviceNameLength] = '\0';
+
+    UnlockDisplay(dpy);
+    SyncHandle();
+
+    return True;
+}
+
+Bool VA_DRI2Authenticate(Display *dpy, XID window, drm_magic_t magic)
+{
+    XExtDisplayInfo *info = DRI2FindDisplay(dpy);
+    xDRI2AuthenticateReq *req;
+    xDRI2AuthenticateReply rep;
+
+    XextCheckExtension (dpy, info, va_dri2ExtensionName, False);
+
+    LockDisplay(dpy);
+    GetReq(DRI2Authenticate, req);
+    req->reqType = info->codes->major_opcode;
+    req->dri2ReqType = X_DRI2Authenticate;
+    req->window = window;
+    req->magic = magic;
+
+    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+	UnlockDisplay(dpy);
+	SyncHandle();
+	return False;
+    }
+
+    UnlockDisplay(dpy);
+    SyncHandle();
+
+    return rep.authenticated;
+}
+
+void VA_DRI2CreateDrawable(Display *dpy, XID drawable)
+{
+    XExtDisplayInfo *info = DRI2FindDisplay(dpy);
+    xDRI2CreateDrawableReq *req;
+
+    XextSimpleCheckExtension (dpy, info, va_dri2ExtensionName);
+
+    LockDisplay(dpy);
+    GetReq(DRI2CreateDrawable, req);
+    req->reqType = info->codes->major_opcode;
+    req->dri2ReqType = X_DRI2CreateDrawable;
+    req->drawable = drawable;
+    UnlockDisplay(dpy);
+    SyncHandle();
+}
+
+void VA_DRI2DestroyDrawable(Display *dpy, XID drawable)
+{
+    XExtDisplayInfo *info = DRI2FindDisplay(dpy);
+    xDRI2DestroyDrawableReq *req;
+
+    XextSimpleCheckExtension (dpy, info, va_dri2ExtensionName);
+
+    XSync(dpy, False);
+
+    LockDisplay(dpy);
+    GetReq(DRI2DestroyDrawable, req);
+    req->reqType = info->codes->major_opcode;
+    req->dri2ReqType = X_DRI2DestroyDrawable;
+    req->drawable = drawable;
+    UnlockDisplay(dpy);
+    SyncHandle();
+}
+
+VA_DRI2Buffer *VA_DRI2GetBuffers(Display *dpy, XID drawable,
+			   int *width, int *height,
+			   unsigned int *attachments, int count,
+			   int *outCount)
+{
+    XExtDisplayInfo *info = DRI2FindDisplay(dpy);
+    xDRI2GetBuffersReply rep;
+    xDRI2GetBuffersReq *req;
+    VA_DRI2Buffer *buffers;
+    xDRI2Buffer repBuffer;
+    CARD32 *p;
+    int i;
+
+    XextCheckExtension (dpy, info, va_dri2ExtensionName, False);
+
+    LockDisplay(dpy);
+    GetReqExtra(DRI2GetBuffers, count * 4, req);
+    req->reqType = info->codes->major_opcode;
+    req->dri2ReqType = X_DRI2GetBuffers;
+    req->drawable = drawable;
+    req->count = count;
+    p = (CARD32 *) &req[1];
+    for (i = 0; i < count; i++)
+	p[i] = attachments[i];
+
+    if (!_XReply(dpy, (xReply *)&rep, 0, xFalse)) {
+	UnlockDisplay(dpy);
+	SyncHandle();
+	return NULL;
+    }
+
+    *width = rep.width;
+    *height = rep.height;
+    *outCount = rep.count;
+
+    buffers = Xmalloc(rep.count * sizeof buffers[0]);
+    if (buffers == NULL) {
+	_XEatData(dpy, rep.count * sizeof repBuffer);
+	UnlockDisplay(dpy);
+	SyncHandle();
+	return NULL;
+    }
+
+    for (i = 0; i < rep.count; i++) {
+	_XReadPad(dpy, (char *) &repBuffer, sizeof repBuffer);
+	buffers[i].attachment = repBuffer.attachment;
+	buffers[i].name = repBuffer.name;
+	buffers[i].pitch = repBuffer.pitch;
+	buffers[i].cpp = repBuffer.cpp;
+	buffers[i].flags = repBuffer.flags;
+    }
+
+    UnlockDisplay(dpy);
+    SyncHandle();
+
+    return buffers;
+}
+
+void VA_DRI2CopyRegion(Display *dpy, XID drawable, XserverRegion region,
+		    CARD32 dest, CARD32 src)
+{
+    XExtDisplayInfo *info = DRI2FindDisplay(dpy);
+    xDRI2CopyRegionReq *req;
+    xDRI2CopyRegionReply rep;
+
+    XextSimpleCheckExtension (dpy, info, va_dri2ExtensionName);
+
+    LockDisplay(dpy);
+    GetReq(DRI2CopyRegion, req);
+    req->reqType = info->codes->major_opcode;
+    req->dri2ReqType = X_DRI2CopyRegion;
+    req->drawable = drawable;
+    req->region = region;
+    req->dest = dest;
+    req->src = src;
+
+    _XReply(dpy, (xReply *)&rep, 0, xFalse);
+
+    UnlockDisplay(dpy);
+    SyncHandle();
+}

src/X11/va_dri2.h

+/*
+ * Copyright © 2007,2008 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)
+ */
+
+#ifndef _VA_DRI2_H_
+#define _VA_DRI2_H_
+
+#include <X11/extensions/Xfixes.h>
+#include <X11/Xfuncproto.h>
+#include <xf86drm.h>
+
+typedef struct {
+    unsigned int attachment;
+    unsigned int name;
+    unsigned int pitch;
+    unsigned int cpp;
+    unsigned int flags;
+} VA_DRI2Buffer;
+
+extern Bool
+VA_DRI2QueryExtension(Display *display, int *eventBase, int *errorBase);
+extern Bool
+VA_DRI2QueryVersion(Display *display, int *major, int *minor);
+extern Bool
+VA_DRI2Connect(Display *display, XID window,
+	    char **driverName, char **deviceName);
+extern Bool
+VA_DRI2Authenticate(Display *display, XID window, drm_magic_t magic);
+extern void
+VA_DRI2CreateDrawable(Display *display, XID drawable);
+extern void
+VA_DRI2DestroyDrawable(Display *display, XID handle);
+extern VA_DRI2Buffer *
+VA_DRI2GetBuffers(Display *dpy, XID drawable,
+	       int *width, int *height,
+	       unsigned int *attachments, int count,
+	       int *outCount);
+#if 0
+extern void
+VA_DRI2CopyRegion(Display *dpy, XID drawable, XserverRegion region,
+	       CARD32 dest, CARD32 src);
+#endif
+#endif

src/X11/va_dri2str.h

+/*
+ * 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)
+ */
+
+#ifndef _DRI2_PROTO_H_
+#define _DRI2_PROTO_H_
+
+#define DRI2_NAME			"DRI2"
+#define DRI2_MAJOR			1
+#define DRI2_MINOR			0
+
+#define DRI2NumberErrors		0
+#define DRI2NumberEvents		0
+#define DRI2NumberRequests		7
+
+#define X_DRI2QueryVersion		0
+#define X_DRI2Connect			1
+#define X_DRI2Authenticate		2
+#define X_DRI2CreateDrawable		3
+#define X_DRI2DestroyDrawable		4
+#define X_DRI2GetBuffers		5
+#define X_DRI2CopyRegion		6
+
+typedef struct {
+    CARD32  attachment B32;
+    CARD32  name B32;
+    CARD32  pitch B32;
+    CARD32  cpp B32;
+    CARD32  flags B32;
+} xDRI2Buffer;
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   dri2ReqType;
+    CARD16  length B16;
+    CARD32  majorVersion B32;
+    CARD32  minorVersion B32;
+} xDRI2QueryVersionReq;
+#define sz_xDRI2QueryVersionReq   12
+
+typedef struct {
+    BYTE    type;   /* X_Reply */
+    BYTE    pad1;
+    CARD16  sequenceNumber B16;
+    CARD32  length B32;
+    CARD32  majorVersion B32;
+    CARD32  minorVersion B32;
+    CARD32  pad2 B32;
+    CARD32  pad3 B32;
+    CARD32  pad4 B32;
+    CARD32  pad5 B32;
+} xDRI2QueryVersionReply;
+#define sz_xDRI2QueryVersionReply	32
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   dri2ReqType;
+    CARD16  length B16;
+    CARD32  window B32;
+    CARD32  driverType B32;
+} xDRI2ConnectReq;
+#define sz_xDRI2ConnectReq	12
+
+typedef struct {
+    BYTE    type;   /* X_Reply */
+    BYTE    pad1;
+    CARD16  sequenceNumber B16;
+    CARD32  length B32;
+    CARD32  driverNameLength B32;
+    CARD32  deviceNameLength B32;
+    CARD32  pad2 B32;
+    CARD32  pad3 B32;
+    CARD32  pad4 B32;
+    CARD32  pad5 B32;
+} xDRI2ConnectReply;
+#define sz_xDRI2ConnectReply	32
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   dri2ReqType;
+    CARD16  length B16;
+    CARD32  window B32;
+    CARD32  magic B32;
+} xDRI2AuthenticateReq;
+#define sz_xDRI2AuthenticateReq   12
+
+typedef struct {
+    BYTE    type;   /* X_Reply */
+    BYTE    pad1;
+    CARD16  sequenceNumber B16;
+    CARD32  length B32;
+    CARD32  authenticated B32;
+    CARD32  pad2 B32;
+    CARD32  pad3 B32;
+    CARD32  pad4 B32;
+    CARD32  pad5 B32;
+    CARD32  pad6 B32;
+} xDRI2AuthenticateReply;
+#define sz_xDRI2AuthenticateReply	32
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   dri2ReqType;
+    CARD16  length B16;
+    CARD32  drawable B32;
+} xDRI2CreateDrawableReq;
+#define sz_xDRI2CreateDrawableReq   8
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   dri2ReqType;
+    CARD16  length B16;
+    CARD32  drawable B32;
+} xDRI2DestroyDrawableReq;
+#define sz_xDRI2DestroyDrawableReq   8
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   dri2ReqType;
+    CARD16  length B16;
+    CARD32  drawable B32;
+    CARD32  count B32;
+} xDRI2GetBuffersReq;
+#define sz_xDRI2GetBuffersReq   12
+
+typedef struct {
+    BYTE    type;   /* X_Reply */
+    BYTE    pad1;
+    CARD16  sequenceNumber B16;
+    CARD32  length B32;
+    CARD32  width B32;
+    CARD32  height B32;
+    CARD32  count B32;
+    CARD32  pad2 B32;
+    CARD32  pad3 B32;
+    CARD32  pad4 B32;
+} xDRI2GetBuffersReply;
+#define sz_xDRI2GetBuffersReply	32
+
+typedef struct {
+    CARD8   reqType;
+    CARD8   dri2ReqType;
+    CARD16  length B16;
+    CARD32  drawable B32;
+    CARD32  region B32;
+    CARD32  dest B32;
+    CARD32  src B32;
+} xDRI2CopyRegionReq;
+#define sz_xDRI2CopyRegionReq   20
+
+typedef struct {
+    BYTE    type;   /* X_Reply */
+    BYTE    pad1;
+    CARD16  sequenceNumber B16;
+    CARD32  length B32;
+    CARD32  pad2 B32;
+    CARD32  pad3 B32;
+    CARD32  pad4 B32;
+    CARD32  pad5 B32;
+    CARD32  pad6 B32;
+    CARD32  pad7 B32;
+} xDRI2CopyRegionReply;
+#define sz_xDRI2CopyRegionReply	32
+
+#endif

src/X11/va_dri2tokens.h

+/*
+ * 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)
+ */
+
+#ifndef _DRI2_TOKENS_H_
+#define _DRI2_TOKENS_H_
+
+#define DRI2BufferFrontLeft		0
+#define DRI2BufferBackLeft		1
+#define DRI2BufferFrontRight		2
+#define DRI2BufferBackRight		3
+#define DRI2BufferDepth			4
+#define DRI2BufferStencil		5
+#define DRI2BufferAccum			6
+#define DRI2BufferFakeFrontLeft		7
+#define DRI2BufferFakeFrontRight	8
+
+#define DRI2DriverDRI			0
+
+#endif

src/X11/va_dristr.h

+/* $XFree86: xc/lib/GL/dri/xf86dristr.h,v 1.10 2002/10/30 12:51:25 alanh Exp $ */
+/**************************************************************************
+
+Copyright 1998-1999 Precision Insight, Inc., Cedar Park, Texas.
+Copyright 2000 VA Linux Systems, Inc.
+Copyright 2007 Intel Corporation
+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) Fiath <faith@valinux.com>
+ *
+ */
+
+#ifndef _VA_DRISTR_H_
+#define _VA_DRISTR_H_
+
+#include "va_dri.h"
+
+#define VA_DRINAME "XFree86-DRI"
+
+/* The DRI version number.  This was originally set to be the same of the
+ * XFree86 version number.  However, this version is really indepedent of
+ * the XFree86 version.
+ *
+ * Version History:
+ *    4.0.0: Original
+ *    4.0.1: Patch to bump clipstamp when windows are destroyed, 28 May 02
+ *    4.1.0: Add transition from single to multi in DRMInfo rec, 24 Jun 02
+ */
+#define VA_DRI_MAJOR_VERSION	4
+#define VA_DRI_MINOR_VERSION	1
+#define VA_DRI_PATCH_VERSION	0
+
+typedef struct _VA_DRIQueryVersion {
+    CARD8	reqType;		/* always DRIReqCode */
+    CARD8	driReqType;		/* always X_DRIQueryVersion */
+    CARD16	length B16;
+} xVA_DRIQueryVersionReq;
+#define sz_xVA_DRIQueryVersionReq	4
+
+typedef struct {
+    BYTE	type;			/* X_Reply */
+    BOOL	pad1;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    CARD16	majorVersion B16;	/* major version of DRI protocol */
+    CARD16	minorVersion B16;	/* minor version of DRI protocol */
+    CARD32	patchVersion B32;       /* patch version of DRI protocol */
+    CARD32	pad3 B32;
+    CARD32	pad4 B32;
+    CARD32	pad5 B32;
+    CARD32	pad6 B32;
+} xVA_DRIQueryVersionReply;
+#define sz_xVA_DRIQueryVersionReply	32
+
+typedef struct _VA_DRIQueryDirectRenderingCapable {
+    CARD8	reqType;		/* always DRIReqCode */
+    CARD8	driReqType;		/* X_DRIQueryDirectRenderingCapable */
+    CARD16	length B16;
+    CARD32	screen B32;
+} xVA_DRIQueryDirectRenderingCapableReq;
+#define sz_xVA_DRIQueryDirectRenderingCapableReq	8
+
+typedef struct {
+    BYTE	type;			/* X_Reply */
+    BOOL	pad1;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    BOOL	isCapable;
+    BOOL	pad2;
+    BOOL	pad3;
+    BOOL	pad4;
+    CARD32	pad5 B32;
+    CARD32	pad6 B32;
+    CARD32	pad7 B32;
+    CARD32	pad8 B32;
+    CARD32	pad9 B32;
+} xVA_DRIQueryDirectRenderingCapableReply;
+#define sz_xVA_DRIQueryDirectRenderingCapableReply	32
+
+typedef struct _VA_DRIOpenConnection {
+    CARD8	reqType;		/* always DRIReqCode */
+    CARD8	driReqType;		/* always X_DRIOpenConnection */
+    CARD16	length B16;
+    CARD32	screen B32;
+} xVA_DRIOpenConnectionReq;
+#define sz_xVA_DRIOpenConnectionReq	8
+
+typedef struct {
+    BYTE	type;			/* X_Reply */
+    BOOL	pad1;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    CARD32	hSAREALow B32;
+    CARD32	hSAREAHigh B32;
+    CARD32	busIdStringLength B32;
+    CARD32	pad6 B32;
+    CARD32	pad7 B32;
+    CARD32	pad8 B32;
+} xVA_DRIOpenConnectionReply;
+#define sz_xVA_DRIOpenConnectionReply	32
+
+typedef struct _VA_DRIAuthConnection {
+    CARD8	reqType;		/* always DRIReqCode */
+    CARD8	driReqType;		/* always X_DRICloseConnection */
+    CARD16	length B16;
+    CARD32	screen B32;
+    CARD32      magic B32;
+} xVA_DRIAuthConnectionReq;
+#define sz_xVA_DRIAuthConnectionReq	12
+
+typedef struct {
+    BYTE        type;
+    BOOL        pad1;
+    CARD16      sequenceNumber B16;
+    CARD32      length B32;
+    CARD32      authenticated B32;
+    CARD32      pad2 B32;
+    CARD32      pad3 B32;
+    CARD32      pad4 B32;
+    CARD32      pad5 B32;
+    CARD32      pad6 B32;
+} xVA_DRIAuthConnectionReply;
+#define zx_xVA_DRIAuthConnectionReply  32
+
+typedef struct _VA_DRICloseConnection {
+    CARD8	reqType;		/* always DRIReqCode */
+    CARD8	driReqType;		/* always X_DRICloseConnection */
+    CARD16	length B16;
+    CARD32	screen B32;
+} xVA_DRICloseConnectionReq;
+#define sz_xVA_DRICloseConnectionReq	8
+
+typedef struct _VA_DRIGetClientDriverName {
+    CARD8	reqType;		/* always DRIReqCode */
+    CARD8	driReqType;		/* always X_DRIGetClientDriverName */
+    CARD16	length B16;
+    CARD32	screen B32;
+} xVA_DRIGetClientDriverNameReq;
+#define sz_xVA_DRIGetClientDriverNameReq	8
+
+typedef struct {
+    BYTE	type;			/* X_Reply */
+    BOOL	pad1;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    CARD32	ddxDriverMajorVersion B32;
+    CARD32	ddxDriverMinorVersion B32;
+    CARD32	ddxDriverPatchVersion B32;
+    CARD32	clientDriverNameLength B32;
+    CARD32	pad5 B32;
+    CARD32	pad6 B32;
+} xVA_DRIGetClientDriverNameReply;
+#define sz_xVA_DRIGetClientDriverNameReply	32
+
+typedef struct _VA_DRICreateContext {
+    CARD8	reqType;		/* always DRIReqCode */
+    CARD8	driReqType;		/* always X_DRICreateContext */
+    CARD16	length B16;
+    CARD32	screen B32;
+    CARD32	visual B32;
+    CARD32	context B32;
+} xVA_DRICreateContextReq;
+#define sz_xVA_DRICreateContextReq	16
+
+typedef struct {
+    BYTE	type;			/* X_Reply */
+    BOOL	pad1;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    CARD32	hHWContext B32;
+    CARD32	pad2 B32;
+    CARD32	pad3 B32;
+    CARD32	pad4 B32;
+    CARD32	pad5 B32;
+    CARD32	pad6 B32;
+} xVA_DRICreateContextReply;
+#define sz_xVA_DRICreateContextReply	32
+
+typedef struct _VA_DRIDestroyContext {
+    CARD8	reqType;		/* always DRIReqCode */
+    CARD8	driReqType;		/* always X_DRIDestroyContext */
+    CARD16	length B16;
+    CARD32	screen B32;
+    CARD32	context B32;
+} xVA_DRIDestroyContextReq;
+#define sz_xVA_DRIDestroyContextReq	12
+
+typedef struct _VA_DRICreateDrawable {
+    CARD8	reqType;		/* always DRIReqCode */
+    CARD8	driReqType;		/* always X_DRICreateDrawable */
+    CARD16	length B16;
+    CARD32	screen B32;
+    CARD32	drawable B32;
+} xVA_DRICreateDrawableReq;
+#define sz_xVA_DRICreateDrawableReq	12
+
+typedef struct {
+    BYTE	type;			/* X_Reply */
+    BOOL	pad1;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    CARD32	hHWDrawable B32;
+    CARD32	pad2 B32;
+    CARD32	pad3 B32;
+    CARD32	pad4 B32;
+    CARD32	pad5 B32;
+    CARD32	pad6 B32;
+} xVA_DRICreateDrawableReply;
+#define sz_xVA_DRICreateDrawableReply	32
+
+typedef struct _VA_DRIDestroyDrawable {
+    CARD8	reqType;		/* always DRIReqCode */
+    CARD8	driReqType;		/* always X_DRIDestroyDrawable */
+    CARD16	length B16;
+    CARD32	screen B32;
+    CARD32	drawable B32;
+} xVA_DRIDestroyDrawableReq;
+#define sz_xVA_DRIDestroyDrawableReq	12
+
+typedef struct _VA_DRIGetDrawableInfo {
+    CARD8	reqType;		/* always DRIReqCode */
+    CARD8	driReqType;		/* always X_DRIGetDrawableInfo */
+    CARD16	length B16;
+    CARD32	screen B32;
+    CARD32	drawable B32;
+} xVA_DRIGetDrawableInfoReq;
+#define sz_xVA_DRIGetDrawableInfoReq	12
+
+typedef struct {
+    BYTE	type;			/* X_Reply */
+    BOOL	pad1;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    CARD32	drawableTableIndex B32;
+    CARD32	drawableTableStamp B32;
+    INT16	drawableX B16;
+    INT16	drawableY B16;
+    INT16	drawableWidth B16;
+    INT16	drawableHeight B16;
+    CARD32	numClipRects B32;
+    INT16       backX B16;
+    INT16       backY B16;
+    CARD32      numBackClipRects B32;
+} xVA_DRIGetDrawableInfoReply;
+
+#define sz_xVA_DRIGetDrawableInfoReply	36
+
+
+typedef struct _VA_DRIGetDeviceInfo {
+    CARD8	reqType;		/* always DRIReqCode */
+    CARD8	driReqType;		/* always X_DRIGetDeviceInfo */
+    CARD16	length B16;
+    CARD32	screen B32;
+} xVA_DRIGetDeviceInfoReq;
+#define sz_xVA_DRIGetDeviceInfoReq	8
+
+typedef struct {
+    BYTE	type;			/* X_Reply */
+    BOOL	pad1;
+    CARD16	sequenceNumber B16;
+    CARD32	length B32;
+    CARD32	hFrameBufferLow B32;
+    CARD32	hFrameBufferHigh B32;
+    CARD32	framebufferOrigin B32;
+    CARD32	framebufferSize B32;
+    CARD32	framebufferStride B32;
+    CARD32	devPrivateSize B32;
+} xVA_DRIGetDeviceInfoReply;
+#define sz_xVA_DRIGetDeviceInfoReply	32
+
+typedef struct _VA_DRIOpenFullScreen {
+    CARD8       reqType;	/* always DRIReqCode */
+    CARD8       driReqType;	/* always X_DRIOpenFullScreen */
+    CARD16      length B16;
+    CARD32      screen B32;
+    CARD32      drawable B32;
+} xVA_DRIOpenFullScreenReq;
+#define sz_xVA_DRIOpenFullScreenReq    12
+
+typedef struct {
+    BYTE        type;
+    BOOL        pad1;
+    CARD16      sequenceNumber B16;
+    CARD32      length B32;
+    CARD32      isFullScreen B32;
+    CARD32      pad2 B32;
+    CARD32      pad3 B32;
+    CARD32      pad4 B32;
+    CARD32      pad5 B32;
+    CARD32      pad6 B32;
+} xVA_DRIOpenFullScreenReply;
+#define sz_xVA_DRIOpenFullScreenReply  32
+
+typedef struct _VA_DRICloseFullScreen {
+    CARD8       reqType;	/* always DRIReqCode */
+    CARD8       driReqType;	/* always X_DRICloseFullScreen */
+    CARD16      length B16;
+    CARD32      screen B32;
+    CARD32      drawable B32;
+} xVA_DRICloseFullScreenReq;
+#define sz_xVA_DRICloseFullScreenReq   12
+
+typedef struct {
+    BYTE        type;
+    BOOL        pad1;
+    CARD16      sequenceNumber B16;
+    CARD32      length B32;
+    CARD32      pad2 B32;
+    CARD32      pad3 B32;
+    CARD32      pad4 B32;
+    CARD32      pad5 B32;
+    CARD32      pad6 B32;
+    CARD32      pad7 B32;
+} xVA_DRICloseFullScreenReply;
+#define sz_xVA_DRICloseFullScreenReply  32
+
+
+#endif /* _VA_DRISTR_H_ */

src/X11/va_x11.c

+/*
+ * Copyright (c) 2007 Intel Corporation. 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.
+ */
+
+#include "config.h"
+#include "va.h"
+#include "va_backend.h"
+#include "va_x11.h"
+#include "va_dri.h"
+#include "va_dri2.h"
+#include <stdio.h>
+#include <stdarg.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+
+static VADisplayContextP pDisplayContexts = NULL;
+
+static void va_errorMessage(const char *msg, ...)
+{
+    va_list args;
+
+    fprintf(stderr, "libva error: ");
+    va_start(args, msg);
+    vfprintf(stderr, msg, args);
+    va_end(args);
+}
+
+static void va_infoMessage(const char *msg, ...)
+{
+    va_list args;
+
+    fprintf(stderr, "libva: ");
+    va_start(args, msg);
+    vfprintf(stderr, msg, args);
+    va_end(args);
+}
+
+static int va_DisplayContextIsValid (
+    VADisplayContextP pDisplayContext
+)
+{
+    VADisplayContextP ctx = pDisplayContexts;
+
+    while (ctx)
+    {
+	if (ctx == pDisplayContext && pDisplayContext->pDriverContext)
+	    return 1;
+	ctx = ctx->pNext;
+    }
+    return 0;
+}
+
+static void va_DisplayContextDestroy (
+    VADisplayContextP pDisplayContext
+)
+{
+    VADisplayContextP *ctx = &pDisplayContexts;
+
+    /* Throw away pDisplayContext */
+    while (*ctx)
+    {
+	if (*ctx == pDisplayContext)
+	{
+	    *ctx = pDisplayContext->pNext;
+	    pDisplayContext->pNext = NULL;
+	    break;
+	}
+	ctx = &((*ctx)->pNext);
+    }
+    free(pDisplayContext->pDriverContext);
+    free(pDisplayContext);
+}
+
+
+static VAStatus va_DRI2GetDriverName (
+    VADisplayContextP pDisplayContext,
+    char **driver_name
+)
+{
+    VADriverContextP ctx = pDisplayContext->pDriverContext;
+    VAStatus vaStatus = VA_STATUS_ERROR_UNKNOWN;
+    int eventBase, errorBase;
+    char *device_name;
+    int driver_major;
+    int driver_minor;
+    int driver_patch;
+    Bool result = True;
+
+    if (!VA_DRI2QueryExtension(ctx->x11_dpy, &eventBase, &errorBase)) {
+        va_infoMessage("DRI2 extension isn't present\n");
+        return VA_STATUS_ERROR_UNKNOWN;
+    }
+
+    if (!VA_DRI2QueryVersion(ctx->x11_dpy, &driver_major, &driver_minor)) {
+        va_errorMessage("VA_DRI2QueryVersion failed\n");
+        return VA_STATUS_ERROR_UNKNOWN;
+    }
+    
+    if (!VA_DRI2Connect(ctx->x11_dpy, RootWindow(ctx->x11_dpy, ctx->x11_screen),
+		     driver_name, &device_name)) {
+        va_infoMessage("DRI2 isn't enabled, fallback to DRI1\n");
+        return VA_STATUS_ERROR_UNKNOWN;
+    }
+
+    va_infoMessage("VA_DRI2Connect: %d.%d.%d %s (screen %d)\n",
+                   driver_major, driver_minor, driver_patch, *driver_name, ctx->x11_screen);
+    ctx->dri2 = 1;
+    
+    return VA_STATUS_SUCCESS;
+}
+
+static VAStatus va_DRIGetDriverName (
+    VADisplayContextP pDisplayContext,
+    char **driver_name
+)
+{
+    VADriverContextP ctx = pDisplayContext->pDriverContext;
+    VAStatus vaStatus = VA_STATUS_ERROR_UNKNOWN;
+    int eventBase, errorBase;
+    int direct_capable;
+    int driver_major;
+    int driver_minor;
+    int driver_patch;
+    Bool result = True;
+    char *x_driver_name = NULL;
+
+    if (!VA_DRIQueryExtension(ctx->x11_dpy, &eventBase, &errorBase)) {
+        va_errorMessage("VA_DRIQueryExtension failed\n");
+        return VA_STATUS_ERROR_UNKNOWN;
+    }
+    
+    if (result)
+    {
+        result = VA_DRIQueryDirectRenderingCapable(ctx->x11_dpy, ctx->x11_screen, &direct_capable);
+        if (!result)
+        {
+            va_errorMessage("VA_DRIQueryDirectRenderingCapable failed\n");
+        }
+    }
+    if (result)
+    {
+        result = direct_capable;
+        if (!result)
+        {
+            va_errorMessage("VA_DRIQueryDirectRenderingCapable returned false\n");
+        }
+    }
+    if (result)
+    {
+        result = VA_DRIGetClientDriverName(ctx->x11_dpy, ctx->x11_screen, &driver_major, &driver_minor,
+                                            &driver_patch, &x_driver_name);
+        if (!result)
+        {
+            va_errorMessage("VA_DRIGetClientDriverName returned false\n");
+        }
+    }
+    if (result)
+    {
+        vaStatus = VA_STATUS_SUCCESS;
+        va_infoMessage("VA_DRIGetClientDriverName: %d.%d.%d %s (screen %d)\n",
+	     driver_major, driver_minor, driver_patch, x_driver_name, ctx->x11_screen);
+        if (driver_name)
+	    *driver_name = strdup(x_driver_name);
+    }
+    if (x_driver_name)
+        XFree(x_driver_name);
+
+    return vaStatus;
+}
+
+static VAStatus va_DisplayContextGetDriverName (
+    VADisplayContextP pDisplayContext,
+    char **driver_name
+)
+{
+    VADriverContextP ctx = pDisplayContext->pDriverContext;
+    VAStatus vaStatus = VA_STATUS_ERROR_UNKNOWN;
+    int direct_capable;
+    int driver_major;
+    int driver_minor;
+    int driver_patch;
+    Bool result = True;
+    char *x_driver_name = NULL;
+
+    if (driver_name)
+	*driver_name = NULL;
+    
+    vaStatus = va_DRI2GetDriverName(pDisplayContext, driver_name);
+    if (vaStatus != VA_STATUS_SUCCESS)
+        vaStatus = va_DRIGetDriverName(pDisplayContext, driver_name);
+
+    if ((vaStatus == VA_STATUS_SUCCESS)
+        && geteuid() == getuid())
+    {
+        /* don't allow setuid apps to use LIBVA_DRIVER_NAME */
+        if (getenv("LIBVA_DRIVER_NAME"))
+        {
+            /* For easier debugging */
+            if (*driver_name)
+                XFree(*driver_name);
+            
+            *driver_name = strdup(getenv("LIBVA_DRIVER_NAME"));
+            return VA_STATUS_SUCCESS;
+        }
+    }
+    
+    return vaStatus;
+}
+
+int vaDisplayIsValid(VADisplay dpy)
+{
+  VADisplayContextP tmp=NULL;
+  VADisplayContextP pDisplayContext = pDisplayContexts;
+
+  while (pDisplayContext)
+  {
+      if (pDisplayContext == (VADisplayContextP)dpy)
+      {
+          tmp = (VADisplay)pDisplayContext;
+          break;
+      }
+      pDisplayContext = pDisplayContext->pNext;
+  }
+
+  if (!tmp)
+      return 0;
+  
+  return tmp->vaIsValid(pDisplayContext);
+}
+
+
+VADisplay vaGetDisplay (
+    Display *native_dpy /* implementation specific */
+)
+{
+  VADisplay dpy = NULL;
+  VADisplayContextP pDisplayContext = pDisplayContexts;
+
+  if (!native_dpy)
+      return NULL;
+
+  while (pDisplayContext)
+  {
+      if (pDisplayContext->pDriverContext &&
+	  pDisplayContext->pDriverContext->x11_dpy == native_dpy)
+      {
+          dpy = (VADisplay)pDisplayContext;
+          break;
+      }
+      pDisplayContext = pDisplayContext->pNext;
+  }
+
+  if (!dpy)
+  {
+      /* create new entry */
+      VADriverContextP pDriverContext;
+      pDisplayContext = calloc(1, sizeof(*pDisplayContext));
+      pDriverContext  = calloc(1, sizeof(*pDriverContext));
+      if (pDisplayContext && pDriverContext)
+      {
+	  pDriverContext->old_pNext        = (void *)(unsigned long)0xdeadbeef;
+	  pDriverContext->x11_dpy          = native_dpy;
+	  pDisplayContext->pNext           = pDisplayContexts;
+	  pDisplayContext->pDriverContext  = pDriverContext;
+	  pDisplayContext->vaIsValid       = va_DisplayContextIsValid;
+	  pDisplayContext->vaDestroy       = va_DisplayContextDestroy;
+	  pDisplayContext->vaGetDriverName = va_DisplayContextGetDriverName;
+	  pDisplayContexts                 = pDisplayContext;
+	  dpy                              = (VADisplay)pDisplayContext;
+      }
+      else
+      {
+	  if (pDisplayContext)
+	      free(pDisplayContext);
+	  if (pDriverContext)
+	      free(pDriverContext);
+      }
+  }
+  
+  return dpy;
+}

src/X11/va_x11.h

+#ifndef _VA_X11_H_
+#define _VA_X11_H_
+
+#ifdef IN_LIBVA
+#include "va.h"
+#else
+#include <va/va.h>
+#endif
+#include <X11/Xlib.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Returns a suitable VADisplay for VA API
+ */
+VADisplay vaGetDisplay (
+    Display *dpy
+);
+
+/*
+ * Output rendering
+ * Following is the rendering interface for X windows, 
+ * to get the decode output surface to a X drawable
+ * It basically performs a de-interlacing (if needed), 
+ * color space conversion and scaling to the destination
+ * rectangle
+ */
+/* de-interlacing flags for vaPutSurface */
+#define VA_FRAME_PICTURE	0x00000000 
+#define VA_TOP_FIELD		0x00000001
+#define VA_BOTTOM_FIELD		0x00000002
+
+/* 
+ * clears the drawable with background color.
+ * for hardware overlay based implementation this flag
+ * can be used to turn off the overlay
+ */
+#define VA_CLEAR_DRAWABLE	0x00000008 
+
+/* color space conversion flags for vaPutSurface */
+#define VA_SRC_BT601		0x00000010
+#define VA_SRC_BT709		0x00000020
+
+VAStatus vaPutSurface (
+    VADisplay dpy,
+    VASurfaceID surface,	
+    Drawable draw, /* X Drawable */
+    short srcx,
+    short srcy,
+    unsigned short srcw,
+    unsigned short srch,
+    short destx,
+    short desty,
+    unsigned short destw,
+    unsigned short desth,
+    VARectangle *cliprects, /* client supplied destination clip list */
+    unsigned int number_cliprects, /* number of clip rects in the clip list */
+    unsigned int flags /* PutSurface flags */
+);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _VA_X11_H_ */