/* $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 */