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It is quite hard to meet the dependency of the libxml2 python bindings outside Linux, and in particularly on MacOSX; whereas ElementTree is part of Python's standard library. ElementTree is more limited than libxml2: no DTD verification, defaults from DTD, or XInclude support, but none of these limitations is serious enough to justify using libxml2. In fact, it was easier to refactor the code to use ElementTree than to try to get libxml2 python bindings. In the process, gl_item_factory class was refactored so that there is one method for each kind of object to be created, as it simplifies things substantially. I confirmed that precisely the same output is generated for GL/GLX/GLES. v2: Remove m4/ax_python_module.m4 as suggested by Matt Turner. Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
208 lines
5.5 KiB
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208 lines
5.5 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html lang="en">
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<head>
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<meta http-equiv="content-type" content="text/html; charset=utf-8">
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<title>Compiling and Installing</title>
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<link rel="stylesheet" type="text/css" href="mesa.css">
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</head>
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<body>
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<div class="header">
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<h1>The Mesa 3D Graphics Library</h1>
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</div>
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<iframe src="contents.html"></iframe>
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<div class="content">
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<h1>Compiling and Installing</h1>
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<ol>
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<li><a href="#prereq-general">Prerequisites for building</a>
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<ul>
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<li><a href="#prereq-general">General prerequisites</a>
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<li><a href="#prereq-dri">For DRI and hardware acceleration</a>
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</ul>
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<li><a href="#autoconf">Building with autoconf (Linux/Unix/X11)</a>
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<li><a href="#scons">Building with SCons (Windows/Linux)</a>
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<li><a href="#other">Building for other systems</a>
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<li><a href="#libs">Library Information</a>
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<li><a href="#pkg-config">Building OpenGL programs with pkg-config</a>
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</ol>
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<h1 id="prereq-general">1. Prerequisites for building</h1>
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<h2>1.1 General</h2>
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<ul>
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<li>lex / yacc - for building the GLSL compiler.
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On Linux systems, flex and bison are used.
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Versions 2.5.35 and 2.4.1, respectively, (or later) should work.
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<br>
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<br>
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On Windows with MinGW, install flex and bison with:
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<pre>mingw-get install msys-flex msys-bison</pre>
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</li>
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<li>python - Python is needed for building the Gallium components.
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Version 2.6.4 or later should work.
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</li>
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</ul>
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<h3 id="prereq-dri">1.2 For DRI and hardware acceleration</h3>
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<p>
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The following are required for DRI-based hardware acceleration with Mesa:
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</p>
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<ul>
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<li><a href="http://xorg.freedesktop.org/releases/individual/proto/">
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dri2proto</a> version 2.6 or later
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<li><a href="http://dri.freedesktop.org/libdrm/">libDRM</a>
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version 2.4.33 or later
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<li>Xorg server version 1.5 or later
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<li>Linux 2.6.28 or later
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</ul>
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<p>
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If you're using a fedora distro the following command should install all
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the needed dependencies:
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</p>
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<pre>
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sudo yum install flex bison imake libtool xorg-x11-proto-devel libdrm-devel \
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gcc-c++ xorg-x11-server-devel libXi-devel libXmu-devel libXdamage-devel git \
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expat-devel llvm-devel
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</pre>
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<h1 id="autoconf">2. Building with autoconf (Linux/Unix/X11)</h1>
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<p>
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The primary method to build Mesa on Unix systems is with autoconf.
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</p>
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<p>
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The general approach is the standard:
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</p>
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<pre>
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./configure
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make
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sudo make install
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</pre>
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<p>
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But please read the <a href="autoconf.html">detailed autoconf instructions</a>
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for more details.
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</p>
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<h1 id="scons">3. Building with SCons (Windows/Linux)</h1>
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<p>
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To build Mesa with SCons on Linux or Windows do
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</p>
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<pre>
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scons
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</pre>
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<p>
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The build output will be placed in
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build/<i>platform</i>-<i>machine</i>-<i>debug</i>/..., where <i>platform</i> is for
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example linux or windows, <i>machine</i> is x86 or x86_64, optionally followed
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by -debug for debug builds.
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</p>
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<p>
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To build Mesa with SCons for Windows on Linux using the MinGW crosscompiler toolchain do
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</p>
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<pre>
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scons platform=windows toolchain=crossmingw machine=x86 mesagdi libgl-gdi
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</pre>
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<p>
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This will create:
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</p>
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<ul>
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<li>build/windows-x86-debug/mesa/drivers/windows/gdi/opengl32.dll — Mesa + swrast, binary compatible with Windows's opengl32.dll
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<li>build/windows-x86-debug/gallium/targets/libgl-gdi/opengl32.dll — Mesa + Gallium + softpipe, binary compatible with Windows's opengl32.dll
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</ul>
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<p>
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Put them all in the same directory to test them.
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</p>
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<h1 id="other">4. Building for other systems</h1>
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<p>
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Documentation for other environments (some may be very out of date):
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</p>
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<ul>
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<li><a href="README.VMS">README.VMS</a> - VMS
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<li><a href="README.CYGWIN">README.CYGWIN</a> - Cygwin
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<li><a href="README.WIN32">README.WIN32</a> - Win32
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</ul>
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<h1 id="libs">5. Library Information</h1>
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<p>
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When compilation has finished, look in the top-level <code>lib/</code>
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(or <code>lib64/</code>) directory.
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You'll see a set of library files similar to this:
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</p>
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<pre>
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lrwxrwxrwx 1 brian users 10 Mar 26 07:53 libGL.so -> libGL.so.1*
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lrwxrwxrwx 1 brian users 19 Mar 26 07:53 libGL.so.1 -> libGL.so.1.5.060100*
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-rwxr-xr-x 1 brian users 3375861 Mar 26 07:53 libGL.so.1.5.060100*
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lrwxrwxrwx 1 brian users 14 Mar 26 07:53 libOSMesa.so -> libOSMesa.so.6*
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lrwxrwxrwx 1 brian users 23 Mar 26 07:53 libOSMesa.so.6 -> libOSMesa.so.6.1.060100*
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-rwxr-xr-x 1 brian users 23871 Mar 26 07:53 libOSMesa.so.6.1.060100*
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</pre>
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<p>
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<b>libGL</b> is the main OpenGL library (i.e. Mesa).
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<br>
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<b>libOSMesa</b> is the OSMesa (Off-Screen) interface library.
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</p>
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<p>
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If you built the DRI hardware drivers, you'll also see the DRI drivers:
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</p>
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<pre>
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-rwxr-xr-x 1 brian users 16895413 Jul 21 12:11 i915_dri.so
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-rwxr-xr-x 1 brian users 16895413 Jul 21 12:11 i965_dri.so
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-rwxr-xr-x 1 brian users 11849858 Jul 21 12:12 r200_dri.so
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-rwxr-xr-x 1 brian users 11757388 Jul 21 12:12 radeon_dri.so
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</pre>
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<p>
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If you built with Gallium support, look in lib/gallium/ for Gallium-based
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versions of libGL and device drivers.
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</p>
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<h1 id="pkg-config">6. Building OpenGL programs with pkg-config</h1>
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<p>
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Running <code>make install</code> will install package configuration files
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for the pkg-config utility.
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</p>
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<p>
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When compiling your OpenGL application you can use pkg-config to determine
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the proper compiler and linker flags.
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</p>
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<p>
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For example, compiling and linking a GLUT application can be done with:
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</p>
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<pre>
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gcc `pkg-config --cflags --libs glut` mydemo.c -o mydemo
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</pre>
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<br>
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</div>
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</body>
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</html>
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