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+/*****************************************************************************
+ * VIA Unichrome XvMC extension X server driver.
+ *
+ * Copyright (c) 2004 The Unichrome project. 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, sublicense,
+ * 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 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 NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHOR(S) OR COPYRIGHT HOLDER(S) 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.
+ *
+ */
+
+#ifndef _VIA_XVMC_H
+#define _VIA_XVMC_H 1
+
+#include "via_drm.h"
+
+/*
+ * This file contains the common definitions between the XvMC lib and the
+ * X server side. It is referenced also by the XvMC lib. Make sure any
+ * structure change is reflected also in a change in minor version number!!
+ */
+
+#define VIAXVMC_MAJOR 0
+#define VIAXVMC_MINOR 10
+#define VIAXVMC_PL 0
+#define VIA_NUM_XVMC_ATTRIBUTES 6
+#define VIA_XVMC_VALID 0x80000000
+
+/*
+ * Commands that client submits through XvPutImage:
+ */
+
+#define VIA_XVMC_COMMAND_FDISPLAY 0
+#define VIA_XVMC_COMMAND_DISPLAY 1
+#define VIA_XVMC_COMMAND_UNDISPLAY 2
+#define VIA_XVMC_COMMAND_ATTRIBUTES 3
+
+typedef drm_via_sarea_t ViaXvMCSAreaPriv;
+
+typedef struct
+{
+ INT32 attribute;
+ INT32 value;
+} ViaAttrPair;
+
+typedef struct
+{
+ unsigned numAttr;
+ ViaAttrPair attributes[VIA_NUM_XVMC_ATTRIBUTES];
+} ViaXvMCAttrHolder;
+
+/*
+ * Passed from client to X server during overlay updates.
+ */
+
+typedef struct
+{
+ unsigned command;
+ unsigned ctxNo;
+ unsigned srfNo;
+ unsigned subPicNo;
+ ViaXvMCAttrHolder attrib;
+ unsigned pad;
+} ViaXvMCCommandBuffer;
+
+/*
+ * Passed from X server to client at context creation.
+ */
+
+typedef struct
+{
+ unsigned int ctxNo;
+ unsigned int major, minor, pl;
+ unsigned xvmc_port;
+ unsigned int fbOffset;
+ unsigned int fbSize;
+ unsigned int mmioOffset;
+ unsigned int mmioSize;
+ unsigned int sAreaSize;
+ unsigned int sAreaPrivOffset;
+ ViaXvMCAttrHolder initAttrs;
+ int useAGP;
+ unsigned int chipId;
+ unsigned int screen;
+ unsigned int depth;
+ unsigned int stride;
+ unsigned int pad;
+} ViaXvMCCreateContextRec;
+
+#endif