1 | <?xml version="1.0" encoding="UTF-8"?>
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2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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5 | %general-entities;
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6 |
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7 | <!ENTITY libdrm-download-http "https://dri.freedesktop.org/libdrm/libdrm-&libdrm-version;.tar.xz">
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8 | <!ENTITY libdrm-download-ftp " ">
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9 | <!ENTITY libdrm-md5sum "322f5ffe2d3adc2f6ecaab52ae64ba4a">
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10 | <!ENTITY libdrm-size "472 KB">
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11 | <!ENTITY libdrm-buildsize "8.8 MB (with tests)">
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12 | <!ENTITY libdrm-time "0.1 SBU (with tests)">
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13 | <!-- With version 2.4.102, the tests add 1 second to my build. -->
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14 | <!-- The 'threaded' test adds about 15 seconds if you're on an NVIDIA system
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15 | due to it directly interacting with the GPU. -->
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16 | ]>
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17 |
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18 | <sect1 id="libdrm" xreflabel="libdrm-&libdrm-version;">
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19 | <?dbhtml filename="libdrm.html"?>
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20 |
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21 |
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22 | <title>Libdrm-&libdrm-version;</title>
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23 |
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24 | <indexterm zone="libdrm">
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25 | <primary sortas="a-libdrm">libdrm</primary>
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26 | </indexterm>
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27 |
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28 | <sect2 role="package">
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29 | <title>Introduction to Libdrm</title>
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30 |
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31 | <para>
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32 | <application>Libdrm</application> provides a userspace library for
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33 | accessing the direct rendering manager (DRM) on operating systems that
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34 | support the ioctl interface. Libdrm is a low-level library, typically used
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35 | by graphics drivers such as the Mesa DRI drivers, the X drivers, libva and
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36 | similar projects.
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37 | </para>
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38 |
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39 | &lfs122_checked;
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40 |
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41 | <bridgehead renderas="sect3">Package Information</bridgehead>
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42 | <itemizedlist spacing="compact">
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43 | <listitem>
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44 | <para>
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45 | Download (HTTP): <ulink url="&libdrm-download-http;"/>
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46 | </para>
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47 | </listitem>
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48 | <listitem>
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49 | <para>
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50 | Download (FTP): <ulink url="&libdrm-download-ftp;"/>
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51 | </para>
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52 | </listitem>
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53 | <listitem>
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54 | <para>
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55 | Download MD5 sum: &libdrm-md5sum;
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56 | </para>
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57 | </listitem>
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58 | <listitem>
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59 | <para>
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60 | Download size: &libdrm-size;
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61 | </para>
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62 | </listitem>
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63 | <listitem>
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64 | <para>
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65 | Estimated disk space required: &libdrm-buildsize;
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66 | </para>
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67 | </listitem>
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68 | <listitem>
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69 | <para>
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70 | Estimated build time: &libdrm-time;
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71 | </para>
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72 | </listitem>
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73 | </itemizedlist>
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74 |
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75 | <bridgehead renderas="sect3">libdrm Dependencies</bridgehead>
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76 |
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77 | <bridgehead renderas="sect4">Recommended</bridgehead>
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78 | <para role="recommended">
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79 | <xref linkend="xorg7-lib"/> (for Intel KMS API support required by Mesa)
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80 | </para>
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81 |
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82 | <bridgehead renderas="sect4">Optional</bridgehead>
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83 | <para role="optional">
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84 | <xref linkend="cairo"/> (for tests),
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85 | <xref linkend="cmake"/> (could be used to find dependencies without pkgconfig files),
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86 | <xref linkend="DocBook"/>,
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87 | <xref linkend="docbook-xsl"/>,
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88 | <xref linkend="docutils"/>, and
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89 | <xref linkend="libxslt"/> (to build manual pages),
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90 | <xref linkend="libatomic_ops"/> (required by architectures without native atomic operations),
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91 | <xref linkend="valgrind"/>, and
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92 | <ulink url="https://cunit.sourceforge.net/">CUnit</ulink> (for AMDGPU tests)
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93 | </para>
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94 |
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95 | </sect2>
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96 |
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97 | <sect2 role="installation">
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98 | <title>Installation of Libdrm</title>
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99 |
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100 | <!--
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101 | <para>
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102 | First fix a problem building the libdrm_intel library:
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103 | </para>
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104 |
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105 | <screen><userinput>sed -i '/not.*system/s/system/cpu_family/' meson.build</userinput></screen>
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106 | -->
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107 |
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108 | <para>
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109 | Install <application>libdrm</application> by running the following
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110 | commands:
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111 | </para>
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112 |
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113 | <screen><userinput>mkdir build &&
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114 | cd build &&
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115 |
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116 | meson setup --prefix=$XORG_PREFIX \
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117 | --buildtype=release \
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118 | -D udev=true \
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119 | -D valgrind=disabled \
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120 | .. &&
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121 | ninja</userinput></screen>
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122 |
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123 | <para>
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124 | To check the results, issue <command>ninja test</command>. <!--One test,
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125 | 'threaded' in the nouveau subdirectory, is known to fail with a
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126 | 30 second timeout.-->
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127 | <!-- Regarding the 'threaded' test, it's now skipped by default (2.4.102)
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128 | -renodr -->
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129 |
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130 | <!-- Tests may hang
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131 | for unknown reasons. --><!-- If nouveau threaded test hangs, you can disable it
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132 | with
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133 | <command>sed -i 's/^TESTS/#&/' tests/nouveau/Makefile.in</command>.
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134 |
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135 | Now that tests are run with ninja, the test merely times out after 30 seconds.
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136 | -->
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137 | </para>
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138 |
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139 | <para>
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140 | Now, as the <systemitem class="username">root</systemitem> user:
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141 | </para>
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142 |
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143 | <screen role="root"><userinput>ninja install</userinput></screen>
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144 |
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145 | </sect2>
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146 |
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147 | <sect2 role="commands">
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148 | <title>Command Explanations</title>
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149 |
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150 | <xi:include xmlns:xi="http://www.w3.org/2001/XInclude"
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151 | href="../../xincludes/meson-buildtype-release.xml"/>
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152 |
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153 | <para>
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154 | <parameter>-D udev=true</parameter>: This parameter enables support for using
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155 | <application>Udev</application> instead of <command>mknod</command>.
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156 | </para>
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157 |
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158 | <para>
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159 | <parameter>-D valgrind=disabled</parameter>: This parameter disables
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160 | building libdrm with valgrind support. This fixes building some packages
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161 | that use libdrm. Change this parameter to "enabled" (or remove it) if you
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162 | need support for valgrind.
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163 | </para>
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164 |
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165 | </sect2>
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166 |
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167 | <sect2 role="content">
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168 | <title>Contents</title>
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169 |
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170 | <segmentedlist>
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171 | <segtitle>Installed Programs</segtitle>
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172 | <segtitle>Installed Libraries</segtitle>
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173 | <segtitle>Installed Directories</segtitle>
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174 |
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175 | <seglistitem>
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176 | <seg>
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177 | None
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178 | </seg>
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179 | <seg>
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180 | libdrm_amdgpu.so, libdrm_intel.so, libdrm_nouveau.so,
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181 | libdrm_radeon.so, and libdrm.so<!--, and libkms.so-->
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182 | </seg>
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183 | <seg>
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184 | /usr/include/libdrm <!--,/usr/include/libkms,-->
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185 | and /usr/share/libdrm
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186 | </seg>
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187 | </seglistitem>
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188 | </segmentedlist>
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189 |
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190 | <variablelist>
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191 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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192 | <?dbfo list-presentation="list"?>
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193 | <?dbhtml list-presentation="table"?>
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194 |
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195 | <varlistentry id="libdrm_amdgpu">
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196 | <term><filename class="libraryfile">libdrm_amdgpu.so</filename></term>
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197 | <listitem>
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198 | <para>
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199 | contains the AMDGPU specific Direct Rendering Manager functions
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200 | </para>
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201 | <indexterm zone="libdrm libdrm_amdgpu">
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202 | <primary sortas="c-libdrm_amdgpu">libdrm_amdgpu.so</primary>
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203 | </indexterm>
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204 | </listitem>
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205 | </varlistentry>
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206 |
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207 | <varlistentry id="libdrm_intel">
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208 | <term><filename class="libraryfile">libdrm_intel.so</filename></term>
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209 | <listitem>
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210 | <para>
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211 | contains the Intel specific Direct Rendering Manager
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212 | functions
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213 | </para>
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214 | <indexterm zone="libdrm libdrm_intel">
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215 | <primary sortas="c-libdrm_intel">libdrm_intel.so</primary>
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216 | </indexterm>
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217 | </listitem>
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218 | </varlistentry>
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219 |
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220 | <varlistentry id="libdrm_nouveau">
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221 | <term><filename class="libraryfile">libdrm_nouveau.so</filename></term>
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222 | <listitem>
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223 | <para>
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224 | contains the open source nVidia (Nouveau) specific Direct
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225 | Rendering Manager functions
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226 | </para>
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227 | <indexterm zone="libdrm libdrm_nouveau">
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228 | <primary sortas="c-libdrm_nouveau">libdrm_nouveau.so</primary>
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229 | </indexterm>
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230 | </listitem>
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231 | </varlistentry>
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232 |
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233 | <varlistentry id="libdrm_radeon">
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234 | <term><filename class="libraryfile">libdrm_radeon.so</filename></term>
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235 | <listitem>
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236 | <para>
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237 | contains the AMD Radeon specific Direct Rendering Manager
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238 | functions
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239 | </para>
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240 | <indexterm zone="libdrm libdrm_radeon">
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241 | <primary sortas="c-libdrm_radeon">libdrm_radeon.so</primary>
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242 | </indexterm>
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243 | </listitem>
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244 | </varlistentry>
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245 |
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246 | <varlistentry id="libdrm-lib">
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247 | <term><filename class="libraryfile">libdrm.so</filename></term>
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248 | <listitem>
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249 | <para>
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250 | contains the Direct Rendering Manager API functions
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251 | </para>
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252 | <indexterm zone="libdrm libdrm-lib">
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253 | <primary sortas="c-libdrm">libdrm.so</primary>
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254 | </indexterm>
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255 | </listitem>
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256 | </varlistentry>
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257 |
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258 | <!-- Removed in 2.4.111
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259 | <varlistentry id="libkms">
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260 | <term><filename class="libraryfile">libkms.so</filename></term>
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261 | <listitem>
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262 | <para>
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263 | contains API functions for kernel mode setting abstraction
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264 | </para>
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265 | <indexterm zone="libdrm libkms">
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266 | <primary sortas="c-libkms">libkms.so</primary>
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267 | </indexterm>
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268 | </listitem>
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269 | </varlistentry>
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270 | -->
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271 |
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272 | </variablelist>
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273 |
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274 | </sect2>
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275 |
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276 | </sect1>
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