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<!-- See http://creativecommons.org/licenses/by-sa/2.5 --> |
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<!-- See http://creativecommons.org/licenses/by-sa/2.5 --> |
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<license/> |
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<license/> |
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|
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<version>1.2</version> |
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<version>1.3</version> |
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<date>2006-02-01</date> |
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<date>2006-05-06</date> |
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<chapter> |
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<chapter> |
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<title>Introduction</title> |
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<title>Introduction</title> |
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<p> |
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<p> |
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This guide is for people who can't get direct rendering working with just Xorg. |
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This guide is for people who can't get direct rendering working with just Xorg. |
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X11-DRM works for 3dfx, gamma, i8x0, matrox, rage128, radeon, mach64 and sis300 |
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X11-DRM works for 3dfx, gamma, i8x0, matrox, rage128, radeon, mach64 and sis300 |
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series drivers. See the <uri link="http://dri.freedesktop.org/">DRI |
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series drivers. VIA card owners should not use <c>x11-drm</c>, but should |
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homepage</uri> for more info and documentation. |
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instead use the DRI provided in recent kernels (>2.6.13). See the <uri |
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link="http://dri.freedesktop.org/">DRI homepage</uri> for more info and |
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documentation. |
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</p> |
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</p> |
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</body> |
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</body> |
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intel-agp |
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intel-agp |
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</pre> |
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</pre> |
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<note> |
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If you compiled <c>agpgart</c> as a module, you will also need to add it to |
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<path>/etc/modules.autoload.d/kernel-2.6</path>. |
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</note> |
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</body> |
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</body> |
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</section> |
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</section> |
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</chapter> |
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</chapter> |
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<body> |
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<body> |
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<p> |
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<p> |
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Reboot your computer to your new kernel. It's time to see if you have direct |
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Reboot your computer to your new kernel and login as a normal user. It's time |
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rendering and how good it is. |
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to see if you have direct rendering and how good it is. |
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</p> |
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</p> |
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<pre caption="Testing rendering"> |
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<pre caption="Testing rendering"> |
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# <i>startx</i> |
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$ <i>startx</i> |
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<comment>(No need to load modules for your driver or agpgart, if you compiled agpgart as a module.)</comment> |
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<comment>(No need to load modules for your driver or agpgart, if you compiled agpgart as a module.)</comment> |
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<comment>(They will be loaded automatically.)</comment> |
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<comment>(They will be loaded automatically.)</comment> |
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# <i>glxinfo | grep rendering</i> |
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$ <i>glxinfo | grep rendering</i> |
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direct rendering: Yes |
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direct rendering: Yes |
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<comment>(If it says "No," you don't have 3D acceleration.)</comment> |
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<comment>(If it says "No," you don't have 3D acceleration.)</comment> |
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# <i>glxgears</i> |
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$ <i>glxgears</i> |
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<comment>(Test your frames per second (FPS) at the default size. The number should be )</comment> |
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<comment>(Test your frames per second (FPS) at the default size. The number should be )</comment> |
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<comment>(significantly higher than before installing x11-drm. Do this while the CPU is as idle as possible.)</comment> |
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<comment>(significantly higher than before installing x11-drm. Do this while the CPU is as idle as possible.)</comment> |
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</pre> |
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</pre> |
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EndSection |
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EndSection |
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</pre> |
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</pre> |
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<warn> |
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Enabling <c>AGPFastWrite</c> on a VIA chipset will very likely cause your |
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machine to lock up. VIA chipsets do not play nicely with fast writes, so use |
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this setting at your own risk. |
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</warn> |
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<note> |
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Remember, if you want fast writes and sideband addressing to work properly, you |
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will have to first enable them in your BIOS. |
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</note> |
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|
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<!-- |
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** |
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This section needs to be in eventually, but non-nvidia cards don't use |
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/proc/driver at all. We need some way to get users to check and see that SBA |
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and fast-writes are allowed for their hardware; that info is somewhere else in |
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/proc. If you have a non-nvidia card, you can help by emailing |
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nightmorph@gentoo.org with the relevant bits of your /proc so I can get this |
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info into the guide. See below for where things are found on an nvidia card. |
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** |
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<p> |
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A few options may increase performance by up to 30 percent (or more) over the |
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default. Set them in <path>/etc/X11/xorg.conf</path>. However, you will first |
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need to check that your motherboard and video card support these options. |
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</p> |
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<p> |
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First, let's check the supported modes of your video cards, and see if your it |
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supports fast writes. Remember to replace <c>nvidia</c> with the actual name of |
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your device in <path>/proc/driver/nvidia/</path>. |
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</p> |
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|
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<pre caption="Video card check"> |
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$ <i>cat /proc/driver/nvidia/agp/card</i> |
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</pre> |
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<p> |
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Next, let's check out the capabilities of the motherboard: |
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</p> |
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<pre caption="Motherboard check"> |
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$ <i>cat /proc/driver/nvidia/agp/host-bridge</i> |
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</pre> |
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<impo> |
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Remember, the modes and capabilities for your video card and motherboard must |
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match for these settings to work! |
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</impo> |
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--> |
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|
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<p> |
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<p> |
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If you want to set even more features, check out the <uri |
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If you want to set even more features, check out the <uri |
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link="http://dri.freedesktop.org/wiki/FeatureMatrix">feature matrix</uri> on |
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link="http://dri.freedesktop.org/wiki/FeatureMatrix">feature matrix</uri> on |
