diff options
Diffstat (limited to 'docs/fbdev-dri.html')
| -rw-r--r-- | docs/fbdev-dri.html | 197 |
1 files changed, 145 insertions, 52 deletions
diff --git a/docs/fbdev-dri.html b/docs/fbdev-dri.html index c7f59bb0c2..e941b1679e 100644 --- a/docs/fbdev-dri.html +++ b/docs/fbdev-dri.html @@ -1,15 +1,15 @@ -<html> +<html><head><title>Mesa fbdev/DRI Environment</title> -<TITLE>Mesa fbdev/DRI Environment</TITLE> -<link rel="stylesheet" type="text/css" href="mesa.css"></head> -<BODY> +<link rel="stylesheet" type="text/css" href="mesa.css"></head> -<center><H1>Mesa fbdev/DRI Drivers</H1></center> +<body> +<center><h1>Mesa fbdev/DRI Drivers</h1></center> +<br> -<H1>1. Introduction</H1> +<h1>1. Introduction</h1> <p> The fbdev/DRI environment supports hardware-accelerated 3D rendering without @@ -22,48 +22,131 @@ Contributors to this project include Jon Smirl, Keith Whitwell and Dave Airlie. <p> Applications in the fbdev/DRI environment use -the <a href="MiniGXL.html"> MiniGLX</a> interface to choose pixel +the <a href="http://www.nabble.com/file/p15480666/MiniGXL.html"> MiniGLX</a> interface to choose pixel formats, create rendering contexts, etc. It's a subset of the GLX and Xlib interfaces allowing some degree of application portability between the X and X-less environments. </p> +<p> +Note that this environment is not well-supported and these instructions +may not be completely up to date. +</p> +<br> + + <h1>2. Compilation</h1> +<p> +<h2>2.1 glxproto</h2> + +Get <a href="http://cvsweb.xfree86.org/cvsweb/*checkout*/xc/include/GL/glxproto.h?rev=1.9">glxproto.h</a>. Copy it to the /mesa/include/GL/ directory. +</p> + +<h2>2.2 libpciaccess</h2> <p> -You'll need the DRM and pciaccess libraries. Check with: +Check if you have libpciaccess installed: </p> -<pre> - pkg-config --modversion libdrm - pkg-config --modversion pciaccess -</pre> +<pre>pkg-config --modversion pciaccess +</pre> <p> -You can get them from the git repository with: +If not you can download the latest code from: </p> -<pre> - git clone git://anongit.freedesktop.org/git/mesa/drm - git clone git://anongit.freedesktop.org/git/xorg/lib/libpciaccess +<pre> git clone git://anongit.freedesktop.org/git/xorg/lib/libpciaccess </pre> - <p> -See the README files in those projects for build/install instructions. +Run autogen.sh to generate a configure file. autogen.sh uses autoconf +utility. This utility may not be installed with your linux distro, +check if it is available. if not you can use your package manager or +type: </p> +<pre>sudo apt-get install autoconf +</pre> +The next step is to install the libpciaccess library. +<pre>make +make install +</pre> +<p> Now your libpciaccess.a file is saved into /usr/local/lib +directory. If you have a libpciaccess.a in /usr/lib you may simply copy +and overwrite these files. Don't forget to copy libpciaccess.pc file to +/usr/lib/pkgconfig, which is also located in /usr/local/lib/pkgconfig/. +Or you may use the following system variables: +</p> +<pre>export LD_LIBRARY_PATH=/usr/local/lib +export PKG_CONFIG_PATH=/usr/local/lib/pkgconfig +</pre> +<h2>2.3 drm</h2> + +<p>The next step is to compile the drm. DRM consists of two seperate parts, +the DRM client library(lindrm.so) and kernel device module(such as +radeon.ko). We need to make a small change in kernel device module. So +you need to download the kernel source. You may choose the nearest +mirror from www.kernel.org, or you are using Fedora Core 5, for +example, you may need to install RPMs such as: +kernel-smp-devel-2.16.15-1.2054_FC5.i686.rpm +kernel-devel-2.6.15-1.2054_FC5.i686.rpm +etc. You can find a detailed information <a href="http://www.howtoforge.com/kernel_compilation_fedora">here.</a> +</p> -<p> +<p>You will find drm_drv.c at /usr/src/LINUX-VERSION/drivers/char/drm/. Edit this code and comment out the following part: +</p> + +<pre> + /* || + ((ioctl->flags & DRM_MASTER) && !priv->master)*/ +</pre> +Now you are ready to compile your kernel. If your kernel version is +identical to the version you have compiled, you can simply over write +your new "ko" files over older ones. If you have compiled a different +kernel, you must configure your grub or lilo to be able to boot your +new kernel. <p> You'll need fbdev header files. Check with: </p> <pre> - ls -l /usr/include/linux/fb.h + ls -l /usr/include/linux/fb. </pre> +<p>This file may be missing if you have not installed linux header files. -<p> -Compile Mesa with the 'linux-solo' configuration: + +<h2>2.4 Mesa</h2> + +</p><p>Get latest development Mesa sources from git repository +(currently 7.1-prerelease) +</p> +<pre> + git clone git://anongit.freedesktop.org/git/mesa/mesa +</pre> + +<p>You will need the makedepend utility which is a part of mesa project +to build your linux-solo. You probably wont have this utility. You can +download its source from following git repulsitory: </p> <pre> - make linux-solo + git clone git://anongit.freedesktop.org/git/xorg/util/makedepend +</pre> + +<p>Get the latest stable mesa version from SourceForge (currently 7.0.3) +<a href="http://sourceforge.net/project/showfiles.php?group_id=3">http://sourceforge.net/project/showfiles.php?group_id=3</a> +</p> + +<p>Copy the miniglx folder from 7.1-prerelease to 7.0.3. +You may also extract GLUT to 7.0.3 version at this step. +</p> + +<p>Edit linux-solo.conf at /conf directory, just only compile the +graphics driver you need, delete the unwanted drivers names from the +list(some drivers are causing problems...) +</p> +<pre> + while(build==0) + { + make linux-solo + + There will be some missing header files, copy them from 7.1-prerelease + } </pre> <p> @@ -71,22 +154,40 @@ When complete you should have the following: </p> <ul> <li>lib/libGL.so - the GL library which applications link with -<li>lib/*_dri_so - DRI drivers -<li>lib/miniglx.conf - sample MiniGLX config file -<li>progs/miniglx/* - several MiniGLX sample programs -</ul> +</li><li>lib/*_dri_so - DRI drivers +</li><li>lib/miniglx.conf - sample MiniGLX config file +</li><li>progs/miniglx/* - several MiniGLX sample programs +</li></ul> + +To install these files into appropriate locations in system: +<pre> + make install +</pre> +Now your openGL libraries are copied to /usr/local/lib and +miniglx.conf is copied to /etc. You may copy them to /usr/lib and +overwrite your old GL libraries. Or you may export following variable: + +<pre> + export LIBGL_DRIVERS_PATH=/usr/local/lib +</pre> +<br> <h1>3. Using fbdev/DRI</h1> <p> If an X server currently running, exit/stop it so you're working from -the console. +the console. Following command shuts down the x window and also the multi user support. </p> +<pre> + init 1 +</pre> - -<h2>3.1 Load Kernel Modules</h2> +<p>Also you may define the runlevel as 1 in "/etc/inittab". Your system +will always start in single user mode and without x-window with this +option set. +</p><h2>3.1 Load Kernel Modules</h2> <p> You'll need to load the kernel modules specific to your graphics hardware. @@ -100,8 +201,7 @@ As root, the kernel modules can be loaded as follows: <p> If you have Intel i915/i945 hardware: </p> -<pre> - modprobe agpgart # the AGP GART module +<pre> modprobe agpgart # the AGP GART module modprobe intelfb # the Intel fbdev driver modprobe i915 # the i915/945 DRI kernel module </pre> @@ -109,8 +209,7 @@ If you have Intel i915/i945 hardware: <p> If you have ATI Radeon/R200 hardware: </p> -<pre> - modprobe agpgart # the AGP GART module +<pre> modprobe agpgart # the AGP GART module modprobe radeonfb # the Radeon fbdev driver modprobe radeon # the Radeon DRI kernel module </pre> @@ -118,8 +217,7 @@ If you have ATI Radeon/R200 hardware: <p> If you have ATI Rage 128 hardware: </p> -<pre> - modprobe agpgart # the AGP GART module +<pre> modprobe agpgart # the AGP GART module modprobe aty128fb # the Rage 128 fbdev driver modprobe r128 # the Rage 128 DRI kernel module </pre> @@ -127,8 +225,7 @@ If you have ATI Rage 128 hardware: <p> If you have Matrox G200/G400 hardware: </p> -<pre> - modprobe agpgart # the AGP GART module +<pre> modprobe agpgart # the AGP GART module modprobe mgafb # the Matrox fbdev driver modprobe mga # the Matrox DRI kernel module </pre> @@ -136,8 +233,7 @@ If you have Matrox G200/G400 hardware: <p> To verify that the agpgart, fbdev and drm modules are loaded: </p> -<pre> - ls -l /dev/agpgart /dev/fb* /dev/dri +<pre> ls -l /dev/agpgart /dev/fb* /dev/dri </pre> <p> Alternately, use lsmod to inspect the currently installed modules. @@ -148,16 +244,15 @@ If you have problems, look at the output of dmesg. <h2>3.2 Configuration File</h2> <p> -Copy the sample miniglx.conf to /etc/miniglx.conf and review/edit its contents. +review/edit /etc/miniglx.conf. Alternately, the MINIGLX_CONF environment variable can be used to indicate the location of miniglx.conf </p> To determine the pciBusID value, run lspci and examine the output. For example: -</p> -<pre> - /sbin/lspci: +<p></p> +<pre> /sbin/lspci: 00:02.0 VGA compatible controller: Intel Corporation 82915G/GV/910GL Express Chipset Family Graphics Controller (rev 04) </pre> <p> @@ -180,15 +275,13 @@ for example. Change to the <code>Mesa/progs/miniglx/</code> directory and start the sample_server program in the background: </p> -<pre> - ./sample_server & +<pre> ./sample_server & </pre> <p> Then try running the <code>miniglxtest</code> program: </p> -<pre> - ./miniglxtest +<pre> ./miniglxtest </pre> <p> You should see a rotating quadrilateral which changes color as it rotates. @@ -199,7 +292,7 @@ It will exit automatically after a bit. If you run other tests in the miniglx/ directory, you may want to run them from a remote shell so that you can stop them with ctrl-C. </p> - +<br> <h1>4.0 Troubleshooting</h1> @@ -208,8 +301,7 @@ them from a remote shell so that you can stop them with ctrl-C. <li> If you try to run miniglxtest and get the following: <br> -<pre> - [miniglx] failed to probe chipset +<pre> [miniglx] failed to probe chipset connect: Connection refused server connection lost </pre> @@ -223,7 +315,7 @@ It means that the sample_server process is not running. <h1>5.0 Programming Information</h1> <p> -OpenGL/Mesa is interfaced to fbdev via the <a href="MiniGLX.html">MiniGLX</a> +OpenGL/Mesa is interfaced to fbdev via the <a href="http://www.nabble.com/file/p15480666/MiniGLX.html">MiniGLX</a> interface. MiniGLX is a subset of Xlib and GLX API functions which provides just enough functionality to setup OpenGL rendering and respond to simple @@ -244,5 +336,6 @@ See the <code>GL/miniglx.h</code> header file for details. </p> + </body> </html> |