1 | /* $Xorg: Xdbeproto.h,v 1.3 2000/08/18 04:05:45 coskrey Exp $ */
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2 | /******************************************************************************
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3 | *
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4 | * Copyright (c) 1994, 1995 Hewlett-Packard Company
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5 | *
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6 | * Permission is hereby granted, free of charge, to any person obtaining
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7 | * a copy of this software and associated documentation files (the
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8 | * "Software"), to deal in the Software without restriction, including
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9 | * without limitation the rights to use, copy, modify, merge, publish,
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10 | * distribute, sublicense, and/or sell copies of the Software, and to
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11 | * permit persons to whom the Software is furnished to do so, subject to
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12 | * the following conditions:
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13 | *
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14 | * The above copyright notice and this permission notice shall be included
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15 | * in all copies or substantial portions of the Software.
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16 | *
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17 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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18 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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19 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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20 | * IN NO EVENT SHALL HEWLETT-PACKARD COMPANY BE LIABLE FOR ANY CLAIM,
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21 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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22 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
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23 | * THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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24 | *
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25 | * Except as contained in this notice, the name of the Hewlett-Packard
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26 | * Company shall not be used in advertising or otherwise to promote the
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27 | * sale, use or other dealings in this Software without prior written
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28 | * authorization from the Hewlett-Packard Company.
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29 | *
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30 | * Header file for Xlib-related DBE
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31 | *
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32 | *****************************************************************************/
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33 |
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34 |
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35 | #ifndef XDBE_PROTO_H
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36 | #define XDBE_PROTO_H
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37 |
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38 | /* INCLUDES */
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39 |
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40 |
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41 | /* DEFINES */
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42 |
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43 | /* Values for swap_action field of XdbeSwapInfo structure */
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44 | #define XdbeUndefined 0
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45 | #define XdbeBackground 1
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46 | #define XdbeUntouched 2
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47 | #define XdbeCopied 3
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48 |
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49 | #ifdef NEED_DBE_PROTOCOL
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50 |
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51 | #define DBE_PROTOCOL_NAME "DOUBLE-BUFFER"
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52 |
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53 | /* Current version numbers */
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54 | #define DBE_MAJOR_VERSION 1
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55 | #define DBE_MINOR_VERSION 0
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56 |
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57 | /* Used when adding extension; also used in Xdbe macros */
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58 | #define DbeNumberEvents 0
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59 | #define DbeBadBuffer 0
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60 | #define DbeNumberErrors (DbeBadBuffer + 1)
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61 |
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62 | /* Request values used in (S)ProcDbeDispatch() */
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63 | #define X_DbeGetVersion 0
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64 | #define X_DbeAllocateBackBufferName 1
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65 | #define X_DbeDeallocateBackBufferName 2
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66 | #define X_DbeSwapBuffers 3
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67 | #define X_DbeBeginIdiom 4
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68 | #define X_DbeEndIdiom 5
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69 | #define X_DbeGetVisualInfo 6
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70 | #define X_DbeGetBackBufferAttributes 7
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71 |
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72 | typedef CARD8 xDbeSwapAction;
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73 | typedef CARD32 xDbeBackBuffer;
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74 |
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75 | #endif /* NEED_DBE_PROTOCOL */
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76 |
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77 |
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78 | /* TYPEDEFS */
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79 |
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80 | /* Client data types */
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81 |
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82 | /* XdbeVisualInfo and XdbeScreenVisualInfo are defined in this file,
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83 | * "Xdbeproto.h", rather than "Xdbe.h" because the server uses these data
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84 | * types.
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85 | */
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86 |
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87 | typedef struct
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88 | {
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89 | VisualID visual; /* one visual ID that supports double-buffering */
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90 | int depth; /* depth of visual in bits */
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91 | int perflevel; /* performance level of visual */
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92 | }
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93 | XdbeVisualInfo;
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94 |
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95 | typedef struct
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96 | {
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97 | int count; /* number of items in visual_depth */
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98 | XdbeVisualInfo *visinfo; /* list of visuals & depths for scrn */
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99 | }
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100 | XdbeScreenVisualInfo;
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101 |
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102 | /* Protocol data types */
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103 |
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104 | #ifdef NEED_DBE_PROTOCOL
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105 |
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106 | typedef struct
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107 | {
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108 | CARD32 window B32; /* window */
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109 | xDbeSwapAction swapAction; /* swap action */
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110 | CARD8 pad1; /* unused */
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111 | CARD16 pad2 B16;
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112 |
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113 | } xDbeSwapInfo;
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114 |
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115 | typedef struct
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116 | {
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117 | CARD32 visualID B32; /* associated visual */
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118 | CARD8 depth; /* depth of visual */
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119 | CARD8 perfLevel; /* performance level hint */
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120 | CARD16 pad1 B16;
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121 |
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122 | } xDbeVisInfo;
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123 | #define sz_xDbeVisInfo 8
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124 |
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125 | typedef struct
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126 | {
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127 | CARD32 n B32; /* number of visual info items in list */
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128 |
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129 | } xDbeScreenVisInfo; /* followed by n xDbeVisInfo items */
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130 |
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131 | typedef struct
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132 | {
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133 | CARD32 window B32; /* window */
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134 |
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135 | } xDbeBufferAttributes;
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136 |
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137 |
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138 | /* Requests and replies */
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139 |
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140 | typedef struct
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141 | {
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142 | CARD8 reqType; /* major-opcode: always codes->major_opcode */
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143 | CARD8 dbeReqType; /* minor-opcode: always X_DbeGetVersion (0) */
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144 | CARD16 length B16; /* request length: (2) */
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145 | CARD8 majorVersion; /* client-major-version */
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146 | CARD8 minorVersion; /* client-minor-version */
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147 | CARD16 unused B16; /* unused */
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148 |
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149 | } xDbeGetVersionReq;
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150 | #define sz_xDbeGetVersionReq 8
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151 |
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152 | typedef struct
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153 | {
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154 | BYTE type; /* Reply: X_Reply (1) */
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155 | CARD8 unused; /* unused */
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156 | CARD16 sequenceNumber B16; /* sequence number */
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157 | CARD32 length B32; /* reply length: (0) */
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158 | CARD8 majorVersion; /* server-major-version */
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159 | CARD8 minorVersion; /* server-minor-version */
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160 | CARD16 pad1 B16; /* unused */
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161 | CARD32 pad2 B32;
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162 | CARD32 pad3 B32;
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163 | CARD32 pad4 B32;
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164 | CARD32 pad5 B32;
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165 | CARD32 pad6 B32;
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166 |
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167 | } xDbeGetVersionReply;
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168 | #define sz_xDbeGetVersionReply 32
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169 |
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170 | typedef struct
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171 | {
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172 | CARD8 reqType; /* major-opcode: codes->major_opcode */
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173 | CARD8 dbeReqType; /* X_DbeAllocateBackBufferName (1) */
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174 | CARD16 length B16; /* request length: (4) */
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175 | CARD32 window B32; /* window */
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176 | xDbeBackBuffer buffer B32; /* back buffer name */
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177 | xDbeSwapAction swapAction; /* swap action hint */
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178 | CARD8 pad1; /* unused */
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179 | CARD16 pad2 B16;
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180 |
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181 | } xDbeAllocateBackBufferNameReq;
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182 | #define sz_xDbeAllocateBackBufferNameReq 16
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183 |
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184 | typedef struct
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185 | {
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186 | CARD8 reqType; /* major-opcode: codes->major_opcode */
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187 | CARD8 dbeReqType; /* X_DbeDeallocateBackBufferName (2) */
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188 | CARD16 length B16; /* request length: (2) */
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189 | xDbeBackBuffer buffer B32; /* back buffer name */
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190 |
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191 | } xDbeDeallocateBackBufferNameReq;
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192 | #define sz_xDbeDeallocateBackBufferNameReq 8
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193 |
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194 | typedef struct
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195 | {
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196 | CARD8 reqType; /* major-opcode: always codes->major_opcode */
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197 | CARD8 dbeReqType; /* minor-opcode: always X_DbeSwapBuffers (3) */
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198 | CARD16 length B16; /* request length: (2+2n) */
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199 | CARD32 n B32; /* n, number of window/swap action pairs */
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200 |
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201 | } xDbeSwapBuffersReq; /* followed by n window/swap action pairs */
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202 | #define sz_xDbeSwapBuffersReq 8
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203 |
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204 | typedef struct
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205 | {
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206 | CARD8 reqType; /* major-opcode: always codes->major_opcode */
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207 | CARD8 dbeReqType; /* minor-opcode: always X_DbeBeginIdom (4) */
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208 | CARD16 length B16; /* request length: (1) */
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209 |
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210 | } xDbeBeginIdiomReq;
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211 | #define sz_xDbeBeginIdiomReq 4
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212 |
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213 | typedef struct
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214 | {
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215 | CARD8 reqType; /* major-opcode: always codes->major_opcode */
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216 | CARD8 dbeReqType; /* minor-opcode: always X_DbeEndIdom (5) */
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217 | CARD16 length B16; /* request length: (1) */
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218 |
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219 | } xDbeEndIdiomReq;
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220 | #define sz_xDbeEndIdiomReq 4
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221 |
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222 | typedef struct
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223 | {
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224 | CARD8 reqType; /* always codes->major_opcode */
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225 | CARD8 dbeReqType; /* always X_DbeGetVisualInfo (6) */
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226 | CARD16 length B16; /* request length: (2+n) */
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227 | CARD32 n B32; /* n, number of drawables in list */
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228 |
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229 | } xDbeGetVisualInfoReq; /* followed by n drawables */
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230 | #define sz_xDbeGetVisualInfoReq 8
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231 |
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232 | typedef struct
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233 | {
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234 | BYTE type; /* Reply: X_Reply (1) */
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235 | CARD8 unused; /* unused */
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236 | CARD16 sequenceNumber B16; /* sequence number */
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237 | CARD32 length B32; /* reply length */
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238 | CARD32 m; /* m, number of visual infos in list */
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239 | CARD32 pad1 B32; /* unused */
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240 | CARD32 pad2 B32;
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241 | CARD32 pad3 B32;
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242 | CARD32 pad4 B32;
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243 | CARD32 pad5 B32;
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244 |
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245 | } xDbeGetVisualInfoReply; /* followed by m visual infos */
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246 | #define sz_xDbeGetVisualInfoReply 32
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247 |
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248 | typedef struct
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249 | {
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250 | CARD8 reqType; /* always codes->major_opcode */
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251 | CARD8 dbeReqType; /* X_DbeGetBackBufferAttributes (7) */
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252 | CARD16 length B16; /* request length: (2) */
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253 | xDbeBackBuffer buffer B32; /* back buffer name */
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254 |
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255 | } xDbeGetBackBufferAttributesReq;
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256 | #define sz_xDbeGetBackBufferAttributesReq 8
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257 |
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258 | typedef struct
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259 | {
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260 | BYTE type; /* Reply: X_Reply (1) */
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261 | CARD8 unused; /* unused */
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262 | CARD16 sequenceNumber B16; /* sequence number */
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263 | CARD32 length B32; /* reply length: (0) */
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264 | CARD32 attributes; /* attributes */
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265 | CARD32 pad1 B32; /* unused */
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266 | CARD32 pad2 B32;
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267 | CARD32 pad3 B32;
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268 | CARD32 pad4 B32;
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269 | CARD32 pad5 B32;
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270 |
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271 | } xDbeGetBackBufferAttributesReply;
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272 | #define sz_xDbeGetBackBufferAttributesReply 32
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273 |
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274 | #endif /* NEED_DBE_PROTOCOL */
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275 |
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276 | #endif /* XDBE_PROTO_H */
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277 |
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