annotate src/video/Xext/extensions/xf86dga1str.h @ 2866:e532417a6977

Fixed SDL 1.2 compatibility problem. The API specifies that SDL_OpenAudio() will fill out the 'desired' audio spec with the correct samples and size set by the driver. This value is important since it may be used by applications that size audio buffers, etc. However, we want to allow advanced applications to call SDL_OpenAudioDevice() which gets passed a const 'desired' parameter, and have the correct data filled into the 'obtained' parameter, possibly allowing or not allowing format changes. So... 'obtained' becomes the audio format the user callback is expected to use, and we add flags to allow the application to specify which format changes are allowed. Note: We really need to add a way to query the 'obtained' audio spec.
author Sam Lantinga <slouken@libsdl.org>
date Sat, 13 Dec 2008 06:36:47 +0000
parents c121d94672cb
children
rev   line source
292
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1 /* $XFree86: xc/include/extensions/xf86dga1str.h,v 1.2 1999/05/03 12:15:37 dawes Exp $ */
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2 /*
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3
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4 Copyright (c) 1995 Jon Tombs
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5 Copyright (c) 1995 XFree86 Inc.
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6
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7 */
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8
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9 #ifndef _XF86DGASTR1_H_
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10 #define _XF86DGASTR1_H_
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11
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12 typedef struct _XF86DGAQueryVersion
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13 {
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14 CARD8 reqType; /* always DGAReqCode */
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15 CARD8 dgaReqType; /* always X_DGAQueryVersion */
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16 CARD16 length B16;
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17 } xXF86DGAQueryVersionReq;
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18 #define sz_xXF86DGAQueryVersionReq 4
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19
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20 typedef struct
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21 {
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22 BYTE type; /* X_Reply */
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23 BOOL pad1;
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24 CARD16 sequenceNumber B16;
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25 CARD32 length B32;
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26 CARD16 majorVersion B16; /* major version of DGA protocol */
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27 CARD16 minorVersion B16; /* minor version of DGA protocol */
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28 CARD32 pad2 B32;
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29 CARD32 pad3 B32;
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30 CARD32 pad4 B32;
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31 CARD32 pad5 B32;
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32 CARD32 pad6 B32;
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33 } xXF86DGAQueryVersionReply;
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34 #define sz_xXF86DGAQueryVersionReply 32
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35
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36 typedef struct _XF86DGAGetVideoLL
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37 {
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38 CARD8 reqType; /* always DGAReqCode */
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39 CARD8 dgaReqType; /* always X_XF86DGAGetVideoLL */
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40 CARD16 length B16;
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41 CARD16 screen B16;
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42 CARD16 pad B16;
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43 } xXF86DGAGetVideoLLReq;
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44 #define sz_xXF86DGAGetVideoLLReq 8
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45
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46 typedef struct _XF86DGAInstallColormap
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47 {
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48 CARD8 reqType;
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49 CARD8 dgaReqType;
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50 CARD16 length B16;
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51 CARD16 screen B16;
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52 CARD16 pad2;
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53 CARD32 id B32; /* colormap. */
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54 } xXF86DGAInstallColormapReq;
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55 #define sz_xXF86DGAInstallColormapReq 12
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56
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57
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58 typedef struct
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59 {
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60 BYTE type;
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61 BOOL pad1;
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62 CARD16 sequenceNumber B16;
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63 CARD32 length B32;
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64 CARD32 offset B32;
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65 CARD32 width B32;
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66 CARD32 bank_size B32;
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67 CARD32 ram_size B32;
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68 CARD32 pad4 B32;
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69 CARD32 pad5 B32;
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70 } xXF86DGAGetVideoLLReply;
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71 #define sz_xXF86DGAGetVideoLLReply 32
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72
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73 typedef struct _XF86DGADirectVideo
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74 {
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75 CARD8 reqType; /* always DGAReqCode */
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76 CARD8 dgaReqType; /* always X_XF86DGADirectVideo */
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77 CARD16 length B16;
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78 CARD16 screen B16;
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79 CARD16 enable B16;
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80 } xXF86DGADirectVideoReq;
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81 #define sz_xXF86DGADirectVideoReq 8
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82
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83
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84 typedef struct _XF86DGAGetViewPortSize
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85 {
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86 CARD8 reqType; /* always DGAReqCode */
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87 CARD8 dgaReqType; /* always X_XF86DGAGetViewPort */
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88 CARD16 length B16;
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89 CARD16 screen B16;
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90 CARD16 pad B16;
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91 } xXF86DGAGetViewPortSizeReq;
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92 #define sz_xXF86DGAGetViewPortSizeReq 8
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93
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94 typedef struct
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95 {
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96 BYTE type;
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97 BOOL pad1;
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98 CARD16 sequenceNumber B16;
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99 CARD32 length B32;
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100 CARD32 width B32;
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101 CARD32 height B32;
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102 CARD32 pad2 B32;
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103 CARD32 pad3 B32;
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104 CARD32 pad4 B32;
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105 CARD32 pad5 B32;
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106 } xXF86DGAGetViewPortSizeReply;
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107 #define sz_xXF86DGAGetViewPortSizeReply 32
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108
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109 typedef struct _XF86DGASetViewPort
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110 {
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111 CARD8 reqType; /* always DGAReqCode */
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112 CARD8 dgaReqType; /* always X_XF86DGASetViewPort */
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113 CARD16 length B16;
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114 CARD16 screen B16;
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115 CARD16 pad B16;
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116 CARD32 x B32;
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117 CARD32 y B32;
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118 } xXF86DGASetViewPortReq;
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119 #define sz_xXF86DGASetViewPortReq 16
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120
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121 typedef struct _XF86DGAGetVidPage
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122 {
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123 CARD8 reqType; /* always DGAReqCode */
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124 CARD8 dgaReqType; /* always X_XF86DGAGetVidPage */
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125 CARD16 length B16;
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126 CARD16 screen B16;
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127 CARD16 pad B16;
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128 } xXF86DGAGetVidPageReq;
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129 #define sz_xXF86DGAGetVidPageReq 8
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130
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131 typedef struct
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132 {
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133 BYTE type;
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134 BOOL pad1;
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135 CARD16 sequenceNumber B16;
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136 CARD32 length B32;
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137 CARD32 vpage B32;
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138 CARD32 pad B32;
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139 CARD32 pad2 B32;
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140 CARD32 pad3 B32;
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141 CARD32 pad4 B32;
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142 CARD32 pad5 B32;
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143 } xXF86DGAGetVidPageReply;
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144 #define sz_xXF86DGAGetVidPageReply 32
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145
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146
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147 typedef struct _XF86DGASetVidPage
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148 {
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149 CARD8 reqType; /* always DGAReqCode */
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150 CARD8 dgaReqType; /* always X_XF86DGASetVidPage */
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151 CARD16 length B16;
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152 CARD16 screen B16;
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153 CARD16 vpage B16;
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154 } xXF86DGASetVidPageReq;
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155 #define sz_xXF86DGASetVidPageReq 8
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156
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157
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158 typedef struct _XF86DGAQueryDirectVideo
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159 {
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160 CARD8 reqType; /* always DGAReqCode */
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161 CARD8 dgaReqType; /* always X_DGAQueryVersion */
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162 CARD16 length B16;
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163 CARD16 screen B16;
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164 CARD16 pad B16;
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165 } xXF86DGAQueryDirectVideoReq;
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166 #define sz_xXF86DGAQueryDirectVideoReq 8
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167
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168 typedef struct
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169 {
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170 BYTE type;
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171 BOOL pad1;
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172 CARD16 sequenceNumber B16;
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173 CARD32 length B32;
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174 CARD32 flags B32;
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175 CARD32 pad B32;
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176 CARD32 pad2 B32;
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177 CARD32 pad3 B32;
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178 CARD32 pad4 B32;
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179 CARD32 pad5 B32;
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180 } xXF86DGAQueryDirectVideoReply;
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181 #define sz_xXF86DGAQueryDirectVideoReply 32
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182
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183
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184 typedef struct _XF86DGAViewPortChanged
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185 {
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186 CARD8 reqType; /* always DGAReqCode */
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187 CARD8 dgaReqType; /* always X_DGAQueryVersion */
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188 CARD16 length B16;
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189 CARD16 screen B16;
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190 CARD16 n B16;
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191 } xXF86DGAViewPortChangedReq;
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192 #define sz_xXF86DGAViewPortChangedReq 8
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193
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194 typedef struct
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195 {
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196 BYTE type;
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197 BOOL pad1;
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198 CARD16 sequenceNumber B16;
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199 CARD32 length B32;
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200 CARD32 result B32;
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201 CARD32 pad B32;
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202 CARD32 pad2 B32;
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203 CARD32 pad3 B32;
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204 CARD32 pad4 B32;
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205 CARD32 pad5 B32;
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206 } xXF86DGAViewPortChangedReply;
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207 #define sz_xXF86DGAViewPortChangedReply 32
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208
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209 #endif /* _XF86DGASTR1_H_ */
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210 /* vi: set ts=4 sw=4 expandtab: */