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+/* $Xorg: Xdbeproto.h,v 1.3 2000/08/18 04:05:45 coskrey Exp $ */
+/******************************************************************************
+ *
+ * Copyright (c) 1994, 1995 Hewlett-Packard Company
+ *
+ * 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 HEWLETT-PACKARD COMPANY 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.
+ *
+ * Except as contained in this notice, the name of the Hewlett-Packard
+ * Company shall not be used in advertising or otherwise to promote the
+ * sale, use or other dealings in this Software without prior written
+ * authorization from the Hewlett-Packard Company.
+ *
+ * Header file for Xlib-related DBE
+ *
+ *****************************************************************************/
+
+
+#ifndef XDBE_PROTO_H
+#define XDBE_PROTO_H
+
+/* INCLUDES */
+
+
+/* DEFINES */
+
+/* Values for swap_action field of XdbeSwapInfo structure */
+#define XdbeUndefined 0
+#define XdbeBackground 1
+#define XdbeUntouched 2
+#define XdbeCopied 3
+
+#ifdef NEED_DBE_PROTOCOL
+
+#define DBE_PROTOCOL_NAME "DOUBLE-BUFFER"
+
+/* Current version numbers */
+#define DBE_MAJOR_VERSION 1
+#define DBE_MINOR_VERSION 0
+
+/* Used when adding extension; also used in Xdbe macros */
+#define DbeNumberEvents 0
+#define DbeBadBuffer 0
+#define DbeNumberErrors (DbeBadBuffer + 1)
+
+/* Request values used in (S)ProcDbeDispatch() */
+#define X_DbeGetVersion 0
+#define X_DbeAllocateBackBufferName 1
+#define X_DbeDeallocateBackBufferName 2
+#define X_DbeSwapBuffers 3
+#define X_DbeBeginIdiom 4
+#define X_DbeEndIdiom 5
+#define X_DbeGetVisualInfo 6
+#define X_DbeGetBackBufferAttributes 7
+
+typedef CARD8 xDbeSwapAction;
+typedef CARD32 xDbeBackBuffer;
+
+#endif /* NEED_DBE_PROTOCOL */
+
+
+/* TYPEDEFS */
+
+/* Client data types */
+
+/* XdbeVisualInfo and XdbeScreenVisualInfo are defined in this file,
+ * "Xdbeproto.h", rather than "Xdbe.h" because the server uses these data
+ * types.
+ */
+
+typedef struct
+{
+ VisualID visual; /* one visual ID that supports double-buffering */
+ int depth; /* depth of visual in bits */
+ int perflevel; /* performance level of visual */
+}
+XdbeVisualInfo;
+
+typedef struct
+{
+ int count; /* number of items in visual_depth */
+ XdbeVisualInfo *visinfo; /* list of visuals & depths for scrn */
+}
+XdbeScreenVisualInfo;
+
+/* Protocol data types */
+
+#ifdef NEED_DBE_PROTOCOL
+
+typedef struct
+{
+ CARD32 window B32; /* window */
+ xDbeSwapAction swapAction; /* swap action */
+ CARD8 pad1; /* unused */
+ CARD16 pad2 B16;
+
+} xDbeSwapInfo;
+
+typedef struct
+{
+ CARD32 visualID B32; /* associated visual */
+ CARD8 depth; /* depth of visual */
+ CARD8 perfLevel; /* performance level hint */
+ CARD16 pad1 B16;
+
+} xDbeVisInfo;
+#define sz_xDbeVisInfo 8
+
+typedef struct
+{
+ CARD32 n B32; /* number of visual info items in list */
+
+} xDbeScreenVisInfo; /* followed by n xDbeVisInfo items */
+
+typedef struct
+{
+ CARD32 window B32; /* window */
+
+} xDbeBufferAttributes;
+
+
+/* Requests and replies */
+
+typedef struct
+{
+ CARD8 reqType; /* major-opcode: always codes->major_opcode */
+ CARD8 dbeReqType; /* minor-opcode: always X_DbeGetVersion (0) */
+ CARD16 length B16; /* request length: (2) */
+ CARD8 majorVersion; /* client-major-version */
+ CARD8 minorVersion; /* client-minor-version */
+ CARD16 unused B16; /* unused */
+
+} xDbeGetVersionReq;
+#define sz_xDbeGetVersionReq 8
+
+typedef struct
+{
+ BYTE type; /* Reply: X_Reply (1) */
+ CARD8 unused; /* unused */
+ CARD16 sequenceNumber B16; /* sequence number */
+ CARD32 length B32; /* reply length: (0) */
+ CARD8 majorVersion; /* server-major-version */
+ CARD8 minorVersion; /* server-minor-version */
+ CARD16 pad1 B16; /* unused */
+ CARD32 pad2 B32;
+ CARD32 pad3 B32;
+ CARD32 pad4 B32;
+ CARD32 pad5 B32;
+ CARD32 pad6 B32;
+
+} xDbeGetVersionReply;
+#define sz_xDbeGetVersionReply 32
+
+typedef struct
+{
+ CARD8 reqType; /* major-opcode: codes->major_opcode */
+ CARD8 dbeReqType; /* X_DbeAllocateBackBufferName (1) */
+ CARD16 length B16; /* request length: (4) */
+ CARD32 window B32; /* window */
+ xDbeBackBuffer buffer B32; /* back buffer name */
+ xDbeSwapAction swapAction; /* swap action hint */
+ CARD8 pad1; /* unused */
+ CARD16 pad2 B16;
+
+} xDbeAllocateBackBufferNameReq;
+#define sz_xDbeAllocateBackBufferNameReq 16
+
+typedef struct
+{
+ CARD8 reqType; /* major-opcode: codes->major_opcode */
+ CARD8 dbeReqType; /* X_DbeDeallocateBackBufferName (2) */
+ CARD16 length B16; /* request length: (2) */
+ xDbeBackBuffer buffer B32; /* back buffer name */
+
+} xDbeDeallocateBackBufferNameReq;
+#define sz_xDbeDeallocateBackBufferNameReq 8
+
+typedef struct
+{
+ CARD8 reqType; /* major-opcode: always codes->major_opcode */
+ CARD8 dbeReqType; /* minor-opcode: always X_DbeSwapBuffers (3) */
+ CARD16 length B16; /* request length: (2+2n) */
+ CARD32 n B32; /* n, number of window/swap action pairs */
+
+} xDbeSwapBuffersReq; /* followed by n window/swap action pairs */
+#define sz_xDbeSwapBuffersReq 8
+
+typedef struct
+{
+ CARD8 reqType; /* major-opcode: always codes->major_opcode */
+ CARD8 dbeReqType; /* minor-opcode: always X_DbeBeginIdom (4) */
+ CARD16 length B16; /* request length: (1) */
+
+} xDbeBeginIdiomReq;
+#define sz_xDbeBeginIdiomReq 4
+
+typedef struct
+{
+ CARD8 reqType; /* major-opcode: always codes->major_opcode */
+ CARD8 dbeReqType; /* minor-opcode: always X_DbeEndIdom (5) */
+ CARD16 length B16; /* request length: (1) */
+
+} xDbeEndIdiomReq;
+#define sz_xDbeEndIdiomReq 4
+
+typedef struct
+{
+ CARD8 reqType; /* always codes->major_opcode */
+ CARD8 dbeReqType; /* always X_DbeGetVisualInfo (6) */
+ CARD16 length B16; /* request length: (2+n) */
+ CARD32 n B32; /* n, number of drawables in list */
+
+} xDbeGetVisualInfoReq; /* followed by n drawables */
+#define sz_xDbeGetVisualInfoReq 8
+
+typedef struct
+{
+ BYTE type; /* Reply: X_Reply (1) */
+ CARD8 unused; /* unused */
+ CARD16 sequenceNumber B16; /* sequence number */
+ CARD32 length B32; /* reply length */
+ CARD32 m; /* m, number of visual infos in list */
+ CARD32 pad1 B32; /* unused */
+ CARD32 pad2 B32;
+ CARD32 pad3 B32;
+ CARD32 pad4 B32;
+ CARD32 pad5 B32;
+
+} xDbeGetVisualInfoReply; /* followed by m visual infos */
+#define sz_xDbeGetVisualInfoReply 32
+
+typedef struct
+{
+ CARD8 reqType; /* always codes->major_opcode */
+ CARD8 dbeReqType; /* X_DbeGetBackBufferAttributes (7) */
+ CARD16 length B16; /* request length: (2) */
+ xDbeBackBuffer buffer B32; /* back buffer name */
+
+} xDbeGetBackBufferAttributesReq;
+#define sz_xDbeGetBackBufferAttributesReq 8
+
+typedef struct
+{
+ BYTE type; /* Reply: X_Reply (1) */
+ CARD8 unused; /* unused */
+ CARD16 sequenceNumber B16; /* sequence number */
+ CARD32 length B32; /* reply length: (0) */
+ CARD32 attributes; /* attributes */
+ CARD32 pad1 B32; /* unused */
+ CARD32 pad2 B32;
+ CARD32 pad3 B32;
+ CARD32 pad4 B32;
+ CARD32 pad5 B32;
+
+} xDbeGetBackBufferAttributesReply;
+#define sz_xDbeGetBackBufferAttributesReply 32
+
+#endif /* NEED_DBE_PROTOCOL */
+
+#endif /* XDBE_PROTO_H */
+