{"id":27088,"date":"2024-02-16T04:24:06","date_gmt":"2023-09-07T20:04:55","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%9c%a8ultra96-ultra96-v2%e4%b8%8a%e5%b0%9d%e8%af%95%e5%9c%a8ubuntu20-04%e4%b8%8a%e8%bf%90%e8%a1%8clima-dri-lima%e7%89%88%e6%9c%ac%e3%80%82-2\/"},"modified":"2025-08-12T00:42:34","modified_gmt":"2025-08-11T16:42:34","slug":"%e6%88%91%e5%9c%a8ultra96-ultra96-v2%e4%b8%8a%e5%b0%9d%e8%af%95%e5%9c%a8ubuntu20-04%e4%b8%8a%e8%bf%90%e8%a1%8clima-dri-lima%e7%89%88%e6%9c%ac%e3%80%82-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%9c%a8ultra96-ultra96-v2%e4%b8%8a%e5%b0%9d%e8%af%95%e5%9c%a8ubuntu20-04%e4%b8%8a%e8%bf%90%e8%a1%8clima-dri-lima%e7%89%88%e6%9c%ac%e3%80%82-2\/","title":{"rendered":"\u6211\u5728Ultra96\/Ultra96-V2\u4e0a\u5c1d\u8bd5\u5728Ubuntu20.04\u4e0a\u8fd0\u884cLima (DRI Lima\u7248\u672c)"},"content":{"rendered":"<h1>\u8bf7\u6ce8\u610f(2022\u5e7410\u670812\u65e5\u8865\u5145)<\/p>\n<p>\u8bf7\u53c2\u8003\u6211\u4e8e2022\u5e7410\u6708\u53d1\u5e03\u7684\u4ee5\u4e0b\u6587\u7ae0\uff0c\u8fd9\u662f\u4e00\u7bc7\u57282021\u5e744\u6708\u53d1\u5e03\u7684\u65e7\u6587\u7ae0\uff0c\u5176\u4e2d\u5305\u542b\u4e86\u8fc7\u65f6\u7684\u5185\u5bb9\u3002<\/p>\n<p>\u5728ZynqMP\u4e0a\u5c1d\u8bd5\u5728Ubuntu22.04\u4e0a\u8fd0\u884cLima(DRI Lima\u7f16)\u7684\u6587\u7ae0\u3002<\/p>\n<h1>\u9996\u5148<\/p>\n<p>Lima\u662fMali-400\/450\u7684\u5f00\u6e90\u56fe\u5f62\u9a71\u52a8\u7a0b\u5e8f\u3002\u6211\u5728Ultra96\/Ultra96-V2\u4e0a\u7684Ubuntu 20.04\u4e0a\u8bd5\u9a8c\u6027\u5730\u8fd0\u884c\u4e86Lima\u3002\u7531\u4e8e\u8fd0\u884c\u8d77\u6765\u6709\u70b9\u56f0\u96be\uff0c\u6240\u4ee5\u6211\u4f1a\u5206\u51e0\u6b21\u8bf4\u660e\u8fd0\u884c\u7684\u65b9\u6cd5\u3002<\/p>\n<ul class=\"post-ul\">\n\u6982\u8981\u7de8<br \/>\nDRM Lima \u7de8<br \/>\nDRI Lima \u7de8 (\u3053\u306e\u8a18\u4e8b)<br \/>\n\u5171\u6709\u30d0\u30c3\u30d5\u30a1\u7de8<br \/>\n\u30b9\u30c8\u30e9\u30a4\u30c9\u554f\u984c\u7de8<br \/>\n\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u7de8<br \/>\nUbuntu Desktop \u30d3\u30eb\u30c9\u7de8\n<\/ul>\n<p>\u672c\u7bc7\u6587\u7ae0\u5c06\u8bb2\u89e3\u6709\u5173Mesa\u63d0\u4f9b\u7684DRI Lima\u9a71\u52a8\u9002\u914d\u5230xlnx\u6240\u9700\u8981\u7684\u4fee\u6b63\u70b9\u4ee5\u53caDebian\u8f6f\u4ef6\u5305\u7684\u6784\u5efa\u65b9\u6cd5\u3002<\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u622a\u81f3\u5230\u76ee\u524d\uff082021\u5e744\u6708\uff09\uff0c\u6211\u4eec\u786e\u8ba4Ubuntu 20.04\u7684gnome-shell\u53ef\u4ee5\u8fd0\u884c\uff0c\u4f46\u8bf7\u6ce8\u610f\uff0c\u5e76\u4e0d\u662f\u6240\u6709\u5e94\u7528\u7a0b\u5e8f\u90fd\u8fdb\u884c\u4e86\u786e\u8ba4\u3002<\/p>\n<h1>DRI Lima \u662f\u4ec0\u9ebc\uff1f<\/p>\n<p>DRI Lima\u662fMesa\u7684DRI\uff08Direct Rendering Infrastructure\uff09\u9a71\u52a8\u7a0b\u5e8f\uff0c\u5b83\u5c06OpenGL\u547d\u4ee4\u5e8f\u5217\u8f6c\u6362\u4e3aLima\u547d\u4ee4\uff0c\u5e76\u4f7f\u7528DRM Lima\u5c06\u547d\u4ee4\u53d1\u9001\u5230\u786c\u4ef6\u3002DRI Lima\u5728\u7528\u6237\u7a7a\u95f4\u5c3d\u53ef\u80fd\u591a\u5730\u5904\u7406\uff0c\u800cDRM Lima\u5728\u5185\u6838\u7a7a\u95f4\u6267\u884c\u5fc5\u8981\u7684\u64cd\u4f5c\u3002<\/p>\n<div>\n                            <img decoding=\"async\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657c1fb0d0c9c81e0f5bb462\/10-0.jpeg\" class='post-images' alt=\"Fig.1 DRI Lima\" title=\"Fig.1 DRI Lima\"><\/p>\n<p>\u56fe1 \u5229\u9a6cDRI<\/br><\/p>\n<h1>\u5c06DRI Lima\u8f6c\u6362\u4e3axlnx\u517c\u5bb9\u7684\u5f62\u5f0f\u3002<\/p>\n<p>\u5728 Ubuntu 20.04 \u4e2d\u4f7f\u7528\u7684 libGL DRI \u9a71\u52a8\u7a0b\u5e8f\u5728 Debian \u8f6f\u4ef6\u5305\u4e2d\u63d0\u4f9b\u7684 libgl1-mesa-dri \u4e2d\u3002\u800c\u4e14\uff0c\u8be5\u8f6f\u4ef6\u5305\u4e2d\u5305\u542b\u4e86\u9002\u7528\u4e8e Lima \u7684 DRI \u9a71\u52a8\u7a0b\u5e8f\u3002\u7136\u800c\uff0c\u4ee4\u4eba\u9057\u61be\u7684\u662f\uff0c\u8be5\u8f6f\u4ef6\u5305\u4e2d\u5305\u542b\u7684 Lima DRI \u4e0d\u652f\u6301 DDX Xlnx \u548c DRM Xlnx\u3002\u56e0\u6b64\uff0c\u60a8\u9700\u8981\u5355\u72ec\u6784\u5efa\u652f\u6301 xlnx \u7684 DRI Lima\u3002\u672c\u7ae0\u5c06\u89e3\u91ca\u8fd9\u4e9b\u66f4\u6539\u7684\u5185\u5bb9\u3002<\/p>\n<h2>\u6e90\u4ee3\u7801<\/p>\n<p>Ubuntu 20.04 \u4f7f\u7528\u7684 libgl1-mesa-dri \u7248\u672c\u4e3a 20.2.6-0ubuntu0.20.04.1\u3002\u6e90\u4ee3\u7801\u53ef\u901a\u8fc7 apt-get \u7684 source \u547d\u4ee4\u8fdb\u884c\u4e0b\u8f7d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">shell$<\/span><span class=\"w\"> <\/span>apt-get <span class=\"nb\">source <\/span><span class=\"nv\">mesa<\/span><span class=\"o\">=<\/span>20.2.6-0ubuntu0.20.04.1\r\n<span class=\"gp\">shell$<\/span><span class=\"w\"> <\/span><span class=\"nb\">cd <\/span>mesa-20.2.6\r\n<\/code><\/pre>\n<h2>\u6dfb\u52a0\u56fe\u4e66\u9986<\/p>\n<p>\u4e3a\u4e86\u4f7fDRI Lima\u4e0exlnx\u517c\u5bb9\uff0c\u9700\u8981\u4e00\u4e2a\u540d\u4e3a\/usr\/lib\/aarch64-linux-gnu\/dri\/xlnx_dri.so\u7684\u52a8\u6001\u5e93\u3002<\/p>\n<p>\u5176\u5b9e\uff0clibgl1-mesa-dri\u63d0\u4f9b\u7684DRI\u9a71\u52a8\u7a0b\u5e8f\u867d\u7136\u6709\u5f88\u591a\u6587\u4ef6\uff0c\u4f46\u5b9e\u9645\u4e0a\u53ea\u662f\u901a\u8fc7\u786c\u94fe\u63a5\u5e76\u8d4b\u4e88\u4e0d\u540c\u540d\u79f0\u7684\u65b9\u5f0f\u521b\u5efa\u4e86\u4e00\u4e2a\u5e93\u6587\u4ef6\u3002\u56e0\u6b64\uff0c\u5982\u679c\u53ea\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u540d\u4e3axlnx_dri.so\u7684\u52a8\u6001\u5e93\u6587\u4ef6\uff0c\u53ea\u9700\u5728src\/gallium\/targets\/dri\/meson.build\u6587\u4ef6\u4e2d\u6dfb\u52a0&#8217;xlnx_dri.so&#8217;\uff0c\u5219\u5728\u6784\u5efa\u65f6\u5c06\u751f\u6210xlnx_dri.so\u3002\u4f46\u662f\uff0c\u73b0\u5728\u8fd8\u6ca1\u6709\u4e0exlnx\u5bf9\u5e94\u7684\u5165\u53e3\u70b9\uff0c\u56e0\u6b64\u4e0e\u52a8\u6001\u5e93\u7684\u94fe\u63a5\u5c06\u5931\u8d25\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gh\">index 7cd8666..c85dc74 100644\r\n<\/span><span class=\"gd\">--- a\/src\/gallium\/targets\/dri\/meson.build\r\n<\/span><span class=\"gi\">+++ b\/src\/gallium\/targets\/dri\/meson.build\r\n<\/span><span class=\"p\">@@ -84,6 +84,7 @@<\/span> foreach d : [[with_gallium_kmsro, [\r\n                'st7735r_dri.so',\r\n                'stm_dri.so',\r\n \t       'sun4i-drm_dri.so',\r\n<span class=\"gi\">+\t       'xlnx_dri.so',\r\n<\/span>              ]],\r\n              [with_gallium_radeonsi, 'radeonsi_dri.so'],\r\n              [with_gallium_nouveau, 'nouveau_dri.so'],\r\n<span class=\"err\">\r\n<\/span><\/code><\/pre>\n<h2>\u6dfb\u52a0\u5165\u53e3\u70b9<\/p>\n<p>\u4e3a\u4e86\u4f7fDRI Lima\u652f\u6301xlnx\uff0c\u4ec5\u4ec5\u6709\u4e00\u4e2a\u540d\u4e3axlnx_dri.so\u7684\u52a8\u6001\u5e93\u662f\u4e0d\u591f\u7684\u3002\u9664\u6b64\u4e4b\u5916\uff0c\u52a8\u6001\u5e93\u8fd8\u5fc5\u987b\u5b9a\u4e49\u4e00\u4e2a\u540d\u4e3a__driDriverGetExtensions_xlnx()\u7684\u51fd\u6570\u4f5c\u4e3a\u5165\u53e3\u70b9\u3002\u56e0\u6b64\uff0c\u6211\u4eec\u9700\u8981\u5728src\/gallium\/targets\/dri\/target.c\u4e2d\u6dfb\u52a0xlnx\u7684\u5165\u53e3\u70b9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gh\">index f71f690..e8f4340 100644\r\n<\/span><span class=\"gd\">--- a\/src\/gallium\/targets\/dri\/target.c\r\n<\/span><span class=\"gi\">+++ b\/src\/gallium\/targets\/dri\/target.c\r\n<\/span><span class=\"p\">@@ -110,6 +110,7 @@<\/span> DEFINE_LOADER_DRM_ENTRYPOINT(st7586)\r\n DEFINE_LOADER_DRM_ENTRYPOINT(st7735r)\r\n DEFINE_LOADER_DRM_ENTRYPOINT(stm)\r\n DEFINE_LOADER_DRM_ENTRYPOINT(sun4i_drm)\r\n<span class=\"gi\">+DEFINE_LOADER_DRM_ENTRYPOINT(xlnx)\r\n<\/span> #endif\r\n \r\n<\/code><\/pre>\n<h1>\u5730\u7406\u74b0\u5883\u7814\u7a76\u6240\u5229\u99ac\u7684\u5efa\u7bc9<\/p>\n<p>\u5728\u672c\u7ae0\u4e2d\uff0c\u5c06\u4ecb\u7ecd\u5982\u4f55\u6784\u5efa\u9002\u7528\u4e8exlnx\u7684DRI Lima\u7684Debian\u8f6f\u4ef6\u5305\u3002<\/p>\n<h2>\u6784\u5efa\u73af\u5883<\/p>\n<p>\u4e3a\u4e86\u6784\u5efaMesa\u7684Debian\u8f6f\u4ef6\u5305\uff0c\u9700\u8981\u8bb8\u591a\u4e0d\u540c\u7684\u5305\uff0c\u5982\u9002\u7528\u4e8earm64\u7684\u7f16\u8bd1\u5668\uff0c\u800c\u4e14\u8fd9\u4e9b\u8f6f\u4ef6\u5305\u7684\u7248\u672c\u5fc5\u987b\u76f8\u4e92\u517c\u5bb9\u3002\u5728PC\uff08x86\u67b6\u6784\uff09\u4e0a\u4ea4\u53c9\u7f16\u8bd1\u8fd9\u4e9b\u73af\u5883\uff0c\u6216\u8005\u4f7f\u7528QEMU\u7b49\u865a\u62df\u73af\u5883\u8fdb\u884c\u6784\u5efa\u5e76\u4e0d\u987a\u5229\u3002\u56e0\u6b64\uff0c\u6211\u5b89\u88c5\u4e86Ubuntu20.04\u7684CUI\u7248\u672c\u5728Ultra96-V2\u4e0a\uff0c\u5e76\u8fdb\u884c\u4e86\u81ea\u4e3b\u7f16\u8bd1\u3002\u4f7f\u7528\u81ea\u4e3b\u7f16\u8bd1\u5c31\u65e0\u9700\u62c5\u5fc3\u7248\u672c\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002<\/p>\n<p>\u5728Ultra96-V2\u4e0a\u7684Ubuntu 20.04\u4e0a\u69cb\u5efa\u958b\u767c\u74b0\u5883\uff0c\u8acb\u6309\u7167\u4ee5\u4e0b\u6b65\u9a5f\u9032\u884c\u8a2d\u7f6e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">shell$<\/span><span class=\"w\"> <\/span><span class=\"nb\">sudo <\/span>apt-get build-dep mesa\r\n<span class=\"gp\">shell$<\/span><span class=\"w\"> <\/span><span class=\"nb\">sudo <\/span>apt-get <span class=\"nb\">install <\/span>cmake valgrind libunwind-dev libconfig-dev\r\n<\/code><\/pre>\n<h2>\u4e0b\u8f7d\u6e90\u4ee3\u7801<\/p>\n<p>\u8bf7\u4f7f\u7528 apt-get \u7684 source \u547d\u4ee4\u6765\u4e0b\u8f7d\u6e90\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">shell$<\/span><span class=\"w\"> <\/span>apt-get <span class=\"nb\">source <\/span><span class=\"nv\">mesa<\/span><span class=\"o\">=<\/span>20.2.6-0ubuntu0.20.04.1\r\n<span class=\"gp\">shell$<\/span><span class=\"w\"> <\/span><span class=\"nb\">cd <\/span>mesa-20.2.6\r\n<\/code><\/pre>\n<h2>\u4fee\u6539\u6e90\u4ee3\u7801<\/p>\n<p>\u5728\u6e90\u4ee3\u7801\u4e2d\u8fdb\u884c\u4e86\u4fee\u6b63\u4ee5\u4f7f\u5176\u4e0exlnx\u517c\u5bb9\uff0c\u8be6\u7ec6\u89e3\u91ca\u8bf7\u53c2\u8003\u524d\u4e00\u7ae0\u8282\u3002<\/p>\n<h2>\u6dfb\u52a0\u9644\u52a0\u5305<\/p>\n<p>\u901a\u8fc7\u524d\u51e0\u7ae0\u7684\u4fee\u6539\uff0c\u53ef\u4ee5\u6784\u5efa\u9002\u5e94xlnx\u7684DRI Lima\uff08xlnx_dri.so\uff09\u3002\u7136\u800c\uff0c\u5982\u679c\u7ee7\u7eed\u8fd9\u6837\u505a\uff0cxlnx_dri.so\u5c06\u88ab\u5305\u542b\u5728libgl1-mesa-dri\u5305\u4e2d\uff0c\u4e3a\u4e86\u5c06xlnx_dri.so\u6dfb\u52a0\u5230\u5df2\u7ecf\u5b89\u88c5\u4e86libgl1-mesa-dri\u5305\u7684\u7cfb\u7edf\u4e2d\uff0c\u5fc5\u987b\u8986\u76d6libgl1-mesa-dri\u5305\u672c\u8eab\u3002\u65e0\u8bba\u662f\u6539\u53d8\u5305\u542bxlnx_dri.so\u7684\u8f6f\u4ef6\u5305\u7684\u7248\u672c\u53f7\u8fd8\u662f\u4fdd\u6301\u4e0d\u53d8\uff0c\u90fd\u53ef\u80fd\u5bfc\u81f4\u7ba1\u7406\u4e0a\u7684\u95ee\u9898\u3002<\/p>\n<p>\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u5355\u72ec\u5305\u542b xlnx_dri.so \u7684 libgl1-mesa-xlnx-dri \u5305\u3002\u5bf9\u4e8e\u5df2\u7ecf\u5b89\u88c5\u4e86 libgl1-mesa-dri \u5305\u7684\u7cfb\u7edf\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u8be5\u5305\u8fdb\u884c\u540e\u7eed\u5b89\u88c5\uff0c\u4ee5\u4fbf\u53ea\u5b89\u88c5 xlnx_dri.so\u3002<\/p>\n<p>\u5177\u4f53\u7684\u6765\u8bf4\uff0c\u53ef\u4ee5\u5c06debian\/control\u548cdebian\/rules\u8fdb\u884c\u4ee5\u4e0b\u4fee\u6b63\uff1a<\/p>\n<pre class=\"post-pre\"><code><span class=\"gh\">index c1f316b..d1b0bcf 100644\r\n<\/span><span class=\"gd\">--- a\/debian\/control\r\n<\/span><span class=\"gi\">+++ b\/debian\/control\r\n<\/span><span class=\"p\">@@ -427,4 +427,23 @@<\/span> Description: free implementation of the OpenCL API -- ICD runtime\r\n  provides a standardized interface for computational analysis on graphical\r\n  processing units.\r\n \r\n<span class=\"gi\">+Package: libgl1-mesa-xlnx-dri\r\n+Section: libs\r\n+Architecture: any\r\n+Pre-Depends: ${misc:Pre-Depends}\r\n+Depends:\r\n+ ${shlibs:Depends},\r\n+ ${misc:Depends}\r\n+Multi-Arch: same\r\n+Description: free implementation of the OpenGL API -- xlnx dri module\r\n+ This version of Mesa provides GLX and DRI capabilities: it is capable of\r\n+ both direct and indirect rendering.  For direct rendering, it can use DRI\r\n+ modules from the libgl1-mesa-dri package to accelerate drawing.\r\n+ .\r\n+ This package does not include the OpenGL library itself, only the DRI\r\n+ modules for accelerating direct rendering.\r\n+ .\r\n+ For a complete description of Mesa, please look at the\r\n+ libglx-mesa0 package.\r\n+\r\n<\/span> # vim: tw=0\r\n<span class=\"err\">\r\n<\/span><\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"gh\">index cbbf298..b457d91 100755\r\n<\/span><span class=\"gd\">--- a\/debian\/rules\r\n<\/span><span class=\"gi\">+++ b\/debian\/rules\r\n<\/span><span class=\"p\">@@ -202,6 +202,11 @@<\/span> override_dh_install:\r\n \trm debian\/tmp\/usr\/lib\/*\/libEGL_mesa.so\r\n \trm debian\/tmp\/usr\/lib\/*\/libGLX_mesa.so\r\n \r\n<span class=\"gi\">+\t# Copy the hardlinked xlnx_dri.so correctly.\r\n+\tinstall -m755 -d debian\/libgl1-mesa-xlnx-dri\/usr\/lib\/${DEB_HOST_MULTIARCH}\/dri\/\r\n+\tcp debian\/tmp\/usr\/lib\/${DEB_HOST_MULTIARCH}\/dri\/xlnx_dri.so \\\\\r\n+\t   debian\/libgl1-mesa-xlnx-dri\/usr\/lib\/${DEB_HOST_MULTIARCH}\/dri\/\r\n+\r\n<\/span> \t# Copy the hardlinked *_dri.so correctly.\r\n \tinstall -m755 -d debian\/libgl1-mesa-dri\/usr\/lib\/${DEB_HOST_MULTIARCH}\/dri\/\r\n \tmv debian\/tmp\/usr\/lib\/${DEB_HOST_MULTIARCH}\/dri\/*_dri.so \\\\\r\n<span class=\"err\">\r\n<\/span><\/code><\/pre>\n<h2>\u6784\u5efa\u8f6f\u4ef6\u5305<\/p>\n<p>\u4e0b\u9762\u662f\u6784\u5efa\u6574\u4e2a\u8f6f\u4ef6\u5305\u7684\u65b9\u6cd5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">shell$<\/span><span class=\"w\"> <\/span><span class=\"nb\">sudo <\/span>debian\/rules binary\r\n<\/code><\/pre>\n<p>\u7531\u4e8eUltra96-V2\u7684I\/O\u901f\u5ea6\u8f83\u6162\uff0c\u53ef\u80fd\u9700\u8981\u4e00\u4e9b\u65f6\u95f4\u3002\u8bf7\u8010\u5fc3\u7b49\u5f85\uff0c\u7136\u540e\u60a8\u5c06\u83b7\u5f97\u5305\u542blibgl1-mesa-xlnx-dri\u8f6f\u4ef6\u5305\u5728\u5185\u7684\u6240\u6709Debian\u8f6f\u4ef6\u5305\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"gp\">shell$<\/span><span class=\"w\"> <\/span>dpkg <span class=\"nt\">--info<\/span> ..\/libgl1-mesa-xlnx-dri_20.2.6-0ubuntu0.20.04.1_arm64.deb \r\n<span class=\"go\"> new Debian package, version 2.0.\r\n size 5167796 bytes: control archive=1048 bytes.\r\n    1095 bytes,    21 lines      control              \r\n     397 bytes,     5 lines      md5sums              \r\n Package: libgl1-mesa-xlnx-dri\r\n Source: mesa\r\n Version: 20.2.6-0ubuntu0.20.04.1\r\n Architecture: arm64\r\n<\/span><span class=\"gp\"> Maintainer: Debian X Strike Force &lt;debian-x@lists.debian.org&gt;<\/span><span class=\"w\">\r\n<\/span><span class=\"go\"> Installed-Size: 18260\r\n<\/span><span class=\"gp\"> Depends: libc6 (&gt;<\/span><span class=\"o\">=<\/span> 2.29<span class=\"o\">)<\/span>, libdrm-amdgpu1 <span class=\"o\">(&gt;=<\/span> 2.4.100<span class=\"o\">)<\/span>, libdrm-nouveau2 <span class=\"o\">(&gt;=<\/span> 2.4.66<span class=\"o\">)<\/span>, libdrm-radeon1 <span class=\"o\">(&gt;=<\/span> 2.4.31<span class=\"o\">)<\/span>, libdrm2 <span class=\"o\">(&gt;=<\/span> 2.4.89<span class=\"o\">)<\/span>, libelf1 <span class=\"o\">(&gt;=<\/span> 0.142<span class=\"o\">)<\/span>, libexpat1 <span class=\"o\">(&gt;=<\/span> 2.0.1<span class=\"o\">)<\/span>, libglapi-mesa <span class=\"o\">(=<\/span> 20.2.6-0ubuntu0.20.04.1<span class=\"o\">)<\/span>, libllvm11 <span class=\"o\">(&gt;=<\/span> 1:9~svn298832-1~<span class=\"o\">)<\/span>, libsensors5 <span class=\"o\">(&gt;=<\/span> 1:3.5.0<span class=\"o\">)<\/span>, libstdc++6 <span class=\"o\">(&gt;=<\/span> 5.2<span class=\"o\">)<\/span>, libunwind8, libzstd1 <span class=\"o\">(&gt;=<\/span> 1.3.2<span class=\"o\">)<\/span>, zlib1g <span class=\"o\">(&gt;=<\/span> 1:1.1.4<span class=\"o\">)<\/span>\r\n<span class=\"go\"> Section: libs\r\n Priority: optional\r\n Multi-Arch: same\r\n Homepage: https:\/\/mesa3d.org\/\r\n Description: free implementation of the OpenGL API -- xlnx dri module\r\n  This version of Mesa provides GLX and DRI capabilities: it is capable of\r\n  both direct and indirect rendering.  For direct rendering, it can use DRI\r\n  modules from the libgl1-mesa-dri package to accelerate drawing.\r\n<\/span><span class=\"c\">  .\r\n<\/span><span class=\"go\">  This package does not include the OpenGL library itself, only the DRI\r\n  modules for accelerating direct rendering.\r\n<\/span><span class=\"c\">  .\r\n<\/span><span class=\"go\">  For a complete description of Mesa, please look at the\r\n  libglx-mesa0 package.\r\n\r\n<\/span><\/code><\/pre>\n<h2>\u4ed3\u5e93<\/p>\n<p>\u672c\u7ae0\u6240\u4ecb\u7ecd\u7684\u5185\u5bb9\u5df2\u7ecf\u5728\u4ee5\u4e0b\u7684 GitHub \u4ee3\u7801\u4ed3\u5e93\u4e2d\u51c6\u5907\u597d\u4e86\u3002<\/p>\n<ul class=\"post-ul\">\nhttps:\/\/github.com\/ikwzm\/mesa-xlnx\n<\/ul>\n<h1>\u63d0\u4f9bDebian\u8f6f\u4ef6\u5305<\/p>\n<p>\u5728\u524d\u4e00\u7ae0\u4e2d\u8be6\u7ec6\u8bf4\u660e\u4e86\u81ea\u5efa\u65b9\u6cd5\uff0c\u4f46\u7531\u4e8e\u9700\u8981 Ultra96 + Ubuntu 20.04 \u7684\u6784\u5efa\u73af\u5883\uff0c\u6240\u4ee5\u975e\u5e38\u7e41\u7410\u3002\u56e0\u6b64\uff0c\u6211\u5df2\u7ecf\u5728\u4ee5\u4e0b\u7684 github \u4ed3\u5e93\u4e2d\u51c6\u5907\u4e86\u9002\u7528\u4e8e Ubuntu 20.04 \u7684 Debian \u8f6f\u4ef6\u5305\uff0c\u5982\u679c\u4f60\u89c9\u5f97\u81ea\u5df1\u6784\u5efa\u592a\u9ebb\u70e6\uff0c\u53ef\u4ee5\u76f4\u63a5\u4e0b\u8f7d\u4f7f\u7528\u3002<\/p>\n<ul class=\"post-ul\">\n<p>https:\/\/github.com\/ikwzm\/ZynqMP-FPGA-Ubuntu20.04-Lima-Ultra96<\/p>\n<p>libgl1-mesa-xlnx-dri_20.2.6-0ubuntu0~20.04.1_arm64.deb<\/p>\n<\/ul>\n<h1>\u88dc\u8db3 libGL \u5728\u52a0\u8f7d DRI \u9a71\u52a8\u7a0b\u5e8f\u7684\u673a\u5236\u3002<\/p>\n<p>\u5728\u672c\u7ae0\u4e2d\uff0c\u5c06\u4f1a\u89e3\u91calibGL\u52a0\u8f7dDRI\u9a71\u52a8\u7684\u673a\u5236\u3002<\/p>\n<h2>\u521b\u5efadri3\u5c4f\u5e55<\/p>\n<p>\u5bf9\u4e8eDRI3\u60c5\u51b5\uff0c\u53ef\u4ee5\u8c03\u7528dri3_create_screen()\u6765\u751f\u6210\u5c4f\u5e55\u3002\u8be5\u5c4f\u5e55\u751f\u6210\u51fd\u6570\u901a\u8fc7\u4ee5\u4e0b\u6b65\u9aa4\u52a0\u8f7dDRI\u9a71\u52a8\u7a0b\u5e8f\u3002<\/p>\n<ol>\u8c03\u7528glx_screen_init()\u8fdb\u884c\u521d\u59cb\u5316\u3002<br \/>\n\u8c03\u7528loader_dri3_open()\u83b7\u53d6X-Server\u5f53\u524d\u4f7f\u7528\u7684DRM\u9a71\u52a8\u7a0b\u5e8f\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26(psc->fd)\u3002<br \/>\n\u4f8b\u5982\uff0c\u5982\u679cX-Server\u6b63\u5728\u4f7f\u7528\/dev\/dri\/card0\uff0c\u5219\u83b7\u53d6\u8bbe\u5907\u6587\u4ef6\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002<br \/>\n\u8c03\u7528loader_get_driver_for_fd()\u83b7\u53d6\u7b2c2\u6b65\u4e2d\u83b7\u53d6\u5230\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\u5bf9\u5e94\u7684DRM\u9a71\u52a8\u7a0b\u5e8f\u540d\u79f0\uff08driverName\uff09\u3002<br \/>\n\u4f8b\u5982\uff0c\u5982\u679c\/dev\/dri\/card0\u7684DRM\u9a71\u52a8\u7a0b\u5e8f\u540d\u79f0\u662fxlnx\uff0c\u5219\u4e3a&#8221;xlnx&#8221;\u3002<br \/>\n\u8c03\u7528driOpenDriver()\u52a0\u8f7d\u7b2c3\u6b65\u4e2d\u83b7\u53d6\u5230\u7684DRI\u9a71\u52a8\u7a0b\u5e8f\u3002driOpenDriver()\u5c06\u5728\u4e0b\u4e00\u8282\u4e2d\u8fdb\u884c\u8bf4\u660e\u3002<\/ol>\n<pre class=\"post-pre\"><code><span class=\"k\">static<\/span> <span class=\"k\">struct<\/span> <span class=\"n\">glx_screen<\/span> <span class=\"o\">*<\/span>\r\n<span class=\"nf\">dri3_create_screen<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">screen<\/span><span class=\"p\">,<\/span> <span class=\"k\">struct<\/span> <span class=\"n\">glx_display<\/span> <span class=\"o\">*<\/span> <span class=\"n\">priv<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n   <span class=\"n\">xcb_connection_t<\/span> <span class=\"o\">*<\/span><span class=\"n\">c<\/span> <span class=\"o\">=<\/span> <span class=\"n\">XGetXCBConnection<\/span><span class=\"p\">(<\/span><span class=\"n\">priv<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">dpy<\/span><span class=\"p\">);<\/span>\r\n   <span class=\"k\">const<\/span> <span class=\"n\">__DRIconfig<\/span> <span class=\"o\">**<\/span><span class=\"n\">driver_configs<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"k\">const<\/span> <span class=\"n\">__DRIextension<\/span> <span class=\"o\">**<\/span><span class=\"n\">extensions<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"k\">const<\/span> <span class=\"k\">struct<\/span> <span class=\"n\">dri3_display<\/span> <span class=\"o\">*<\/span><span class=\"k\">const<\/span> <span class=\"n\">pdp<\/span> <span class=\"o\">=<\/span> <span class=\"p\">(<\/span><span class=\"k\">struct<\/span> <span class=\"n\">dri3_display<\/span> <span class=\"o\">*<\/span><span class=\"p\">)<\/span><span class=\"n\">priv<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">dri3Display<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"k\">struct<\/span> <span class=\"n\">dri3_screen<\/span> <span class=\"o\">*<\/span><span class=\"n\">psc<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"n\">__GLXDRIscreen<\/span> <span class=\"o\">*<\/span><span class=\"n\">psp<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"k\">struct<\/span> <span class=\"n\">glx_config<\/span> <span class=\"o\">*<\/span><span class=\"n\">configs<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">,<\/span> <span class=\"o\">*<\/span><span class=\"n\">visuals<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"kt\">char<\/span> <span class=\"o\">*<\/span><span class=\"n\">driverName<\/span><span class=\"p\">,<\/span> <span class=\"o\">*<\/span><span class=\"n\">tmp<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"kt\">int<\/span> <span class=\"n\">i<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"kt\">unsigned<\/span> <span class=\"kt\">char<\/span> <span class=\"n\">disable<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"n\">psc<\/span> <span class=\"o\">=<\/span> <span class=\"n\">calloc<\/span><span class=\"p\">(<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span> <span class=\"k\">sizeof<\/span> <span class=\"o\">*<\/span><span class=\"n\">psc<\/span><span class=\"p\">);<\/span>\r\n   <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">psc<\/span> <span class=\"o\">==<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"k\">return<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"n\">psc<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">fd<\/span> <span class=\"o\">=<\/span> <span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"n\">glx_screen_init<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">psc<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">base<\/span><span class=\"p\">,<\/span> <span class=\"n\">screen<\/span><span class=\"p\">,<\/span> <span class=\"n\">priv<\/span><span class=\"p\">))<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">free<\/span><span class=\"p\">(<\/span><span class=\"n\">psc<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"k\">return<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"p\">}<\/span>\r\n\r\n\r\n   <span class=\"n\">psc<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">fd<\/span> <span class=\"o\">=<\/span> <span class=\"n\">loader_dri3_open<\/span><span class=\"p\">(<\/span><span class=\"n\">c<\/span><span class=\"p\">,<\/span> <span class=\"n\">RootWindow<\/span><span class=\"p\">(<\/span><span class=\"n\">priv<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">dpy<\/span><span class=\"p\">,<\/span> <span class=\"n\">screen<\/span><span class=\"p\">),<\/span> <span class=\"n\">None<\/span><span class=\"p\">);<\/span>\r\n   <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">psc<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">fd<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"kt\">int<\/span> <span class=\"n\">conn_error<\/span> <span class=\"o\">=<\/span> <span class=\"n\">xcb_connection_has_error<\/span><span class=\"p\">(<\/span><span class=\"n\">c<\/span><span class=\"p\">);<\/span>\r\n      \r\n      <span class=\"n\">glx_screen_cleanup<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">psc<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">base<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"n\">free<\/span><span class=\"p\">(<\/span><span class=\"n\">psc<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"n\">InfoMessageF<\/span><span class=\"p\">(<\/span><span class=\"s\">\"screen %d does not appear to be DRI3 capable<\/span><span class=\"se\">\\\\<\/span><span class=\"s\">n\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">screen<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">conn_error<\/span><span class=\"p\">)<\/span>\r\n         <span class=\"n\">ErrorMessageF<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Connection closed during DRI3 initialization failure\"<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"k\">return<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"p\">}<\/span>\r\n   <span class=\"n\">psc<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">fd<\/span> <span class=\"o\">=<\/span> <span class=\"n\">loader_get_user_preferred_fd<\/span><span class=\"p\">(<\/span><span class=\"n\">psc<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">fd<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">psc<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">is_different_gpu<\/span><span class=\"p\">);<\/span>\r\n\r\n   <span class=\"n\">driverName<\/span> <span class=\"o\">=<\/span> <span class=\"n\">loader_get_driver_for_fd<\/span><span class=\"p\">(<\/span><span class=\"n\">psc<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">fd<\/span><span class=\"p\">);<\/span>\r\n   <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"n\">driverName<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">ErrorMessageF<\/span><span class=\"p\">(<\/span><span class=\"s\">\"No driver found<\/span><span class=\"se\">\\\\<\/span><span class=\"s\">n\"<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"k\">goto<\/span> <span class=\"n\">handle_error<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"p\">}<\/span>\r\n   <span class=\"n\">extensions<\/span> <span class=\"o\">=<\/span> <span class=\"n\">driOpenDriver<\/span><span class=\"p\">(<\/span><span class=\"n\">driverName<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">psc<\/span><span class=\"o\">-&gt;<\/span><span class=\"n\">driver<\/span><span class=\"p\">);<\/span>\r\n   <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">extensions<\/span> <span class=\"o\">==<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"k\">goto<\/span> <span class=\"n\">handle_error<\/span><span class=\"p\">;<\/span>\r\n\t<span class=\"o\">:<\/span>\r\n\t<span class=\"p\">(<\/span><span class=\"err\">\u5f8c\u7565<\/span><span class=\"p\">)<\/span>\r\n\t<span class=\"o\">:<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u6253\u5f00\u9a71\u52a8<\/p>\n<p>driOpenDriver() \u4f1a\u8c03\u7528 loader_open_driver() \u51fd\u6570\uff0c\u5e76\u4f20\u9012\u641c\u7d22 DRI \u9a71\u52a8\u7a0b\u5e8f\u76ee\u5f55\u7684\u73af\u5883\u53d8\u91cf\u540d\u79f0\u3002loader_open_driver() \u51fd\u6570\u5c06\u5728\u4e0b\u4e00\u8282\u8fdb\u884c\u89e3\u91ca\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"n\">_X_HIDDEN<\/span> <span class=\"k\">const<\/span> <span class=\"n\">__DRIextension<\/span> <span class=\"o\">**<\/span>\r\n<span class=\"nf\">driOpenDriver<\/span><span class=\"p\">(<\/span><span class=\"k\">const<\/span> <span class=\"kt\">char<\/span> <span class=\"o\">*<\/span><span class=\"n\">driverName<\/span><span class=\"p\">,<\/span> <span class=\"kt\">void<\/span> <span class=\"o\">**<\/span><span class=\"n\">out_driver_handle<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n   <span class=\"kt\">void<\/span> <span class=\"o\">*<\/span><span class=\"n\">glhandle<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"cm\">\/* Attempt to make sure libGL symbols will be visible to the driver *\/<\/span>\r\n   <span class=\"n\">glhandle<\/span> <span class=\"o\">=<\/span> <span class=\"n\">dlopen<\/span><span class=\"p\">(<\/span><span class=\"n\">GL_LIB_NAME<\/span><span class=\"p\">,<\/span> <span class=\"n\">RTLD_NOW<\/span> <span class=\"o\">|<\/span> <span class=\"n\">RTLD_GLOBAL<\/span><span class=\"p\">);<\/span>\r\n   <span class=\"k\">static<\/span> <span class=\"k\">const<\/span> <span class=\"kt\">char<\/span> <span class=\"o\">*<\/span><span class=\"n\">search_path_vars<\/span><span class=\"p\">[]<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"s\">\"LIBGL_DRIVERS_PATH\"<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"s\">\"LIBGL_DRIVERS_DIR\"<\/span><span class=\"p\">,<\/span> <span class=\"cm\">\/* deprecated *\/<\/span>\r\n      <span class=\"nb\">NULL<\/span>\r\n   <span class=\"p\">};<\/span>\r\n   <span class=\"k\">const<\/span> <span class=\"n\">__DRIextension<\/span> <span class=\"o\">**<\/span><span class=\"n\">extensions<\/span> <span class=\"o\">=<\/span>\r\n      <span class=\"n\">loader_open_driver<\/span><span class=\"p\">(<\/span><span class=\"n\">driverName<\/span><span class=\"p\">,<\/span> <span class=\"n\">out_driver_handle<\/span><span class=\"p\">,<\/span> <span class=\"n\">search_path_vars<\/span><span class=\"p\">);<\/span>\r\n   <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">glhandle<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"n\">dlclose<\/span><span class=\"p\">(<\/span><span class=\"n\">glhandle<\/span><span class=\"p\">);<\/span>\r\n   <span class=\"k\">return<\/span> <span class=\"n\">extensions<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<h2>\u6253\u5f00\u9a71\u52a8\u7a0b\u5e8f\u7684\u52a0\u8f7d\u5668<\/p>\n<p>loader_open_driver() \u51fd\u6570\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\uff0c\u52a0\u8f7d\u4e0e\u6307\u5b9a\u7684 DRI \u9a71\u52a8\u540d\u79f0\u5bf9\u5e94\u7684\u52a8\u6001\u5e93\u5230\u5185\u5b58\u4e2d\u3002<\/p>\n<ol>\u521b\u5efa\u4e00\u4e2a\u641c\u7d22\u8def\u5f84\u7684\u6570\u7ec4\uff08search_paths\uff09\u3002<br \/>\n\u4f7f\u7528sprintf(&#8220;%.*s\/%s_dri.so&#8221;,p, driver_name)\u52a8\u6001\u5e93\u540d\u79f0\u5c06\u51fd\u6570\u52a0\u8f7d\u5230\u5185\u5b58\u4e2d\uff0c\u4f7f\u7528dlopen()\u51fd\u6570\u3002\u5176\u4e2dp\u662f\u8981\u641c\u7d22\u7684\u8def\u5f84\u540d\u3002<br \/>\n\u4f8b\u5982\uff0c\u5982\u679cdriver_name\u662f&#8221;xlnx&#8221;\uff0c\u5219\u5728\u641c\u7d22\u7684\u76ee\u5f55\u4e2d\u67e5\u627e&#8221;xlnx_dri.so&#8221;\u3002<br \/>\n\u8c03\u7528loader_get_extensions_name(driver_name)\u51fd\u6570\u6765\u83b7\u53d6get_extensions_name\u3002<br \/>\n\u4f8b\u5982\uff0c\u5982\u679cdriver_name\u662f&#8221;xlnx&#8221;\uff0c\u5219\u7ed3\u679c\u5c06\u53d8\u4e3a&#8221;__driDriverGetExtensions_xlnx&#8221;\u3002<br \/>\n\u901a\u8fc7\u52a8\u6001\u5e93\u4e2d\u6307\u5b9a\u7684get_extensions_name\u7684\u7b26\u53f7\u5730\u5740\uff08get_extensions\uff09\u6765\u83b7\u53d6\u5730\u5740\u3002<br \/>\n\u901a\u8fc7\u8c03\u7528get_extensions\u6307\u5b9a\u7684\u5730\u5740\u6765\u83b7\u53d6extensions\u3002<\/ol>\n<pre class=\"post-pre\"><code><span class=\"k\">const<\/span> <span class=\"k\">struct<\/span> <span class=\"n\">__DRIextensionRec<\/span> <span class=\"o\">**<\/span>\r\n<span class=\"nf\">loader_open_driver<\/span><span class=\"p\">(<\/span><span class=\"k\">const<\/span> <span class=\"kt\">char<\/span> <span class=\"o\">*<\/span><span class=\"n\">driver_name<\/span><span class=\"p\">,<\/span>\r\n                   <span class=\"kt\">void<\/span> <span class=\"o\">**<\/span><span class=\"n\">out_driver_handle<\/span><span class=\"p\">,<\/span>\r\n                   <span class=\"k\">const<\/span> <span class=\"kt\">char<\/span> <span class=\"o\">**<\/span><span class=\"n\">search_path_vars<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n   <span class=\"kt\">char<\/span> <span class=\"n\">path<\/span><span class=\"p\">[<\/span><span class=\"n\">PATH_MAX<\/span><span class=\"p\">],<\/span> <span class=\"o\">*<\/span><span class=\"n\">search_paths<\/span><span class=\"p\">,<\/span> <span class=\"o\">*<\/span><span class=\"n\">next<\/span><span class=\"p\">,<\/span> <span class=\"o\">*<\/span><span class=\"n\">end<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"kt\">char<\/span> <span class=\"o\">*<\/span><span class=\"n\">get_extensions_name<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"k\">const<\/span> <span class=\"k\">struct<\/span> <span class=\"n\">__DRIextensionRec<\/span> <span class=\"o\">**<\/span><span class=\"n\">extensions<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"k\">const<\/span> <span class=\"k\">struct<\/span> <span class=\"n\">__DRIextensionRec<\/span> <span class=\"o\">**<\/span><span class=\"p\">(<\/span><span class=\"o\">*<\/span><span class=\"n\">get_extensions<\/span><span class=\"p\">)(<\/span><span class=\"kt\">void<\/span><span class=\"p\">);<\/span>\r\n   <span class=\"n\">search_paths<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">geteuid<\/span><span class=\"p\">()<\/span> <span class=\"o\">==<\/span> <span class=\"n\">getuid<\/span><span class=\"p\">()<\/span> <span class=\"o\">&amp;&amp;<\/span> <span class=\"n\">search_path_vars<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">for<\/span> <span class=\"p\">(<\/span><span class=\"kt\">int<\/span> <span class=\"n\">i<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span> <span class=\"n\">search_path_vars<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span> <span class=\"o\">!=<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">;<\/span> <span class=\"n\">i<\/span><span class=\"o\">++<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n         <span class=\"n\">search_paths<\/span> <span class=\"o\">=<\/span> <span class=\"n\">getenv<\/span><span class=\"p\">(<\/span><span class=\"n\">search_path_vars<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]);<\/span>\r\n         <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">search_paths<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"k\">break<\/span><span class=\"p\">;<\/span>\r\n      <span class=\"p\">}<\/span>\r\n   <span class=\"p\">}<\/span>\r\n   <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">search_paths<\/span> <span class=\"o\">==<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"n\">search_paths<\/span> <span class=\"o\">=<\/span> <span class=\"n\">DEFAULT_DRIVER_DIR<\/span><span class=\"p\">;<\/span>\r\n\r\n   <span class=\"kt\">void<\/span> <span class=\"o\">*<\/span><span class=\"n\">driver<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"n\">end<\/span> <span class=\"o\">=<\/span> <span class=\"n\">search_paths<\/span> <span class=\"o\">+<\/span> <span class=\"n\">strlen<\/span><span class=\"p\">(<\/span><span class=\"n\">search_paths<\/span><span class=\"p\">);<\/span>\r\n   <span class=\"k\">for<\/span> <span class=\"p\">(<\/span><span class=\"kt\">char<\/span> <span class=\"o\">*<\/span><span class=\"n\">p<\/span> <span class=\"o\">=<\/span> <span class=\"n\">search_paths<\/span><span class=\"p\">;<\/span> <span class=\"n\">p<\/span> <span class=\"o\">&lt;<\/span> <span class=\"n\">end<\/span><span class=\"p\">;<\/span> <span class=\"n\">p<\/span> <span class=\"o\">=<\/span> <span class=\"n\">next<\/span> <span class=\"o\">+<\/span> <span class=\"mi\">1<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"kt\">int<\/span> <span class=\"n\">len<\/span><span class=\"p\">;<\/span>\r\n      <span class=\"n\">next<\/span> <span class=\"o\">=<\/span> <span class=\"n\">strchr<\/span><span class=\"p\">(<\/span><span class=\"n\">p<\/span><span class=\"p\">,<\/span> <span class=\"sc\">':'<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">next<\/span> <span class=\"o\">==<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">)<\/span>\r\n         <span class=\"n\">next<\/span> <span class=\"o\">=<\/span> <span class=\"n\">end<\/span><span class=\"p\">;<\/span>\r\n      <span class=\"n\">len<\/span> <span class=\"o\">=<\/span> <span class=\"n\">next<\/span> <span class=\"o\">-<\/span> <span class=\"n\">p<\/span><span class=\"p\">;<\/span>\r\n<span class=\"cp\">#if USE_ELF_TLS\r\n<\/span>      <span class=\"n\">snprintf<\/span><span class=\"p\">(<\/span><span class=\"n\">path<\/span><span class=\"p\">,<\/span> <span class=\"k\">sizeof<\/span><span class=\"p\">(<\/span><span class=\"n\">path<\/span><span class=\"p\">),<\/span> <span class=\"s\">\"%.*s\/tls\/%s_dri.so\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">len<\/span><span class=\"p\">,<\/span> <span class=\"n\">p<\/span><span class=\"p\">,<\/span> <span class=\"n\">driver_name<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"n\">driver<\/span> <span class=\"o\">=<\/span> <span class=\"n\">dlopen<\/span><span class=\"p\">(<\/span><span class=\"n\">path<\/span><span class=\"p\">,<\/span> <span class=\"n\">RTLD_NOW<\/span> <span class=\"o\">|<\/span> <span class=\"n\">RTLD_GLOBAL<\/span><span class=\"p\">);<\/span>\r\n<span class=\"cp\">#endif\r\n<\/span>      <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">driver<\/span> <span class=\"o\">==<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n         <span class=\"n\">snprintf<\/span><span class=\"p\">(<\/span><span class=\"n\">path<\/span><span class=\"p\">,<\/span> <span class=\"k\">sizeof<\/span><span class=\"p\">(<\/span><span class=\"n\">path<\/span><span class=\"p\">),<\/span> <span class=\"s\">\"%.*s\/%s_dri.so\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">len<\/span><span class=\"p\">,<\/span> <span class=\"n\">p<\/span><span class=\"p\">,<\/span> <span class=\"n\">driver_name<\/span><span class=\"p\">);<\/span>\r\n         <span class=\"n\">driver<\/span> <span class=\"o\">=<\/span> <span class=\"n\">dlopen<\/span><span class=\"p\">(<\/span><span class=\"n\">path<\/span><span class=\"p\">,<\/span> <span class=\"n\">RTLD_NOW<\/span> <span class=\"o\">|<\/span> <span class=\"n\">RTLD_GLOBAL<\/span><span class=\"p\">);<\/span>\r\n         <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">driver<\/span> <span class=\"o\">==<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"n\">log_<\/span><span class=\"p\">(<\/span><span class=\"n\">_LOADER_DEBUG<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"MESA-LOADER: failed to open %s: %s<\/span><span class=\"se\">\\\\<\/span><span class=\"s\">n\"<\/span><span class=\"p\">,<\/span>\r\n                 <span class=\"n\">path<\/span><span class=\"p\">,<\/span> <span class=\"n\">dlerror<\/span><span class=\"p\">());<\/span>\r\n      <span class=\"p\">}<\/span>\r\n      <span class=\"cm\">\/* not need continue to loop all paths once the driver is found *\/<\/span>\r\n      <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">driver<\/span> <span class=\"o\">!=<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">)<\/span>\r\n         <span class=\"k\">break<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"p\">}<\/span>\r\n   <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">driver<\/span> <span class=\"o\">==<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">log_<\/span><span class=\"p\">(<\/span><span class=\"n\">_LOADER_WARNING<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"MESA-LOADER: failed to open %s (search paths %s)<\/span><span class=\"se\">\\\\<\/span><span class=\"s\">n\"<\/span><span class=\"p\">,<\/span>\r\n           <span class=\"n\">driver_name<\/span><span class=\"p\">,<\/span> <span class=\"n\">search_paths<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"o\">*<\/span><span class=\"n\">out_driver_handle<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">;<\/span>\r\n      <span class=\"k\">return<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"p\">}<\/span>\r\n   <span class=\"n\">log_<\/span><span class=\"p\">(<\/span><span class=\"n\">_LOADER_DEBUG<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"MESA-LOADER: dlopen(%s)<\/span><span class=\"se\">\\\\<\/span><span class=\"s\">n\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">path<\/span><span class=\"p\">);<\/span>\r\n\r\n   <span class=\"n\">get_extensions_name<\/span> <span class=\"o\">=<\/span> <span class=\"n\">loader_get_extensions_name<\/span><span class=\"p\">(<\/span><span class=\"n\">driver_name<\/span><span class=\"p\">);<\/span>\r\n   <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">get_extensions_name<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">get_extensions<\/span> <span class=\"o\">=<\/span> <span class=\"n\">dlsym<\/span><span class=\"p\">(<\/span><span class=\"n\">driver<\/span><span class=\"p\">,<\/span> <span class=\"n\">get_extensions_name<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">get_extensions<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n         <span class=\"n\">extensions<\/span> <span class=\"o\">=<\/span> <span class=\"n\">get_extensions<\/span><span class=\"p\">();<\/span>\r\n      <span class=\"p\">}<\/span> <span class=\"k\">else<\/span> <span class=\"p\">{<\/span>\r\n         <span class=\"n\">log_<\/span><span class=\"p\">(<\/span><span class=\"n\">_LOADER_DEBUG<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"MESA-LOADER: driver does not expose %s(): %s<\/span><span class=\"se\">\\\\<\/span><span class=\"s\">n\"<\/span><span class=\"p\">,<\/span>\r\n              <span class=\"n\">get_extensions_name<\/span><span class=\"p\">,<\/span> <span class=\"n\">dlerror<\/span><span class=\"p\">());<\/span>\r\n      <span class=\"p\">}<\/span>\r\n      <span class=\"n\">free<\/span><span class=\"p\">(<\/span><span class=\"n\">get_extensions_name<\/span><span class=\"p\">);<\/span>\r\n   <span class=\"p\">}<\/span>\r\n   <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"o\">!<\/span><span class=\"n\">extensions<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"n\">extensions<\/span> <span class=\"o\">=<\/span> <span class=\"n\">dlsym<\/span><span class=\"p\">(<\/span><span class=\"n\">driver<\/span><span class=\"p\">,<\/span> <span class=\"n\">__DRI_DRIVER_EXTENSIONS<\/span><span class=\"p\">);<\/span>\r\n   <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">extensions<\/span> <span class=\"o\">==<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"n\">log_<\/span><span class=\"p\">(<\/span><span class=\"n\">_LOADER_WARNING<\/span><span class=\"p\">,<\/span>\r\n           <span class=\"s\">\"MESA-LOADER: driver exports no extensions (%s)<\/span><span class=\"se\">\\\\<\/span><span class=\"s\">n\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">dlerror<\/span><span class=\"p\">());<\/span>\r\n      <span class=\"n\">dlclose<\/span><span class=\"p\">(<\/span><span class=\"n\">driver<\/span><span class=\"p\">);<\/span>\r\n   <span class=\"p\">}<\/span>\r\n   <span class=\"o\">*<\/span><span class=\"n\">out_driver_handle<\/span> <span class=\"o\">=<\/span> <span class=\"n\">driver<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"k\">return<\/span> <span class=\"n\">extensions<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<h2>\u83b7\u53d6\u52a0\u8f7d\u5668\u6269\u5c55\u540d\u79f0<\/p>\n<p>loader_get_extensions_name() \u51fd\u6570\u5c06\u8fd4\u56de\u4e0e driver_name \u6307\u5b9a\u7684 DRI \u9a71\u52a8\u7a0b\u5e8f\u540d\u79f0\u76f8\u5bf9\u5e94\u7684\u5165\u53e3\u70b9\u540d\u79f0\u3002\u4f8b\u5982\uff0c\u5982\u679c driver_name \u662f &#8220;xlnx&#8221;\uff0c\u5219\u8fd4\u56de &#8220;__driDriverGetExtensions_xlnx&#8221;\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kt\">char<\/span> <span class=\"o\">*<\/span>\r\n<span class=\"nf\">loader_get_extensions_name<\/span><span class=\"p\">(<\/span><span class=\"k\">const<\/span> <span class=\"kt\">char<\/span> <span class=\"o\">*<\/span><span class=\"n\">driver_name<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">{<\/span>\r\n   <span class=\"kt\">char<\/span> <span class=\"o\">*<\/span><span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">asprintf<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">name<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"%s_%s\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">__DRI_DRIVER_GET_EXTENSIONS<\/span><span class=\"p\">,<\/span> <span class=\"n\">driver_name<\/span><span class=\"p\">)<\/span> <span class=\"o\">&lt;<\/span> <span class=\"mi\">0<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"k\">return<\/span> <span class=\"nb\">NULL<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"k\">const<\/span> <span class=\"kt\">size_t<\/span> <span class=\"n\">len<\/span> <span class=\"o\">=<\/span> <span class=\"n\">strlen<\/span><span class=\"p\">(<\/span><span class=\"n\">name<\/span><span class=\"p\">);<\/span>\r\n   <span class=\"k\">for<\/span> <span class=\"p\">(<\/span><span class=\"kt\">size_t<\/span> <span class=\"n\">i<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">0<\/span><span class=\"p\">;<\/span> <span class=\"n\">i<\/span> <span class=\"o\">&lt;<\/span> <span class=\"n\">len<\/span><span class=\"p\">;<\/span> <span class=\"n\">i<\/span><span class=\"o\">++<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"n\">name<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span> <span class=\"o\">==<\/span> <span class=\"sc\">'-'<\/span><span class=\"p\">)<\/span>\r\n         <span class=\"n\">name<\/span><span class=\"p\">[<\/span><span class=\"n\">i<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"sc\">'_'<\/span><span class=\"p\">;<\/span>\r\n   <span class=\"p\">}<\/span>\r\n   <span class=\"k\">return<\/span> <span class=\"n\">name<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<\/code><\/pre>\n<h2>\u83b7\u53d6\u6269\u5c55\u9a71\u52a8_xlnx<\/p>\n<p>\u30a8\u30f3\u30c8\u30ea\u30dd\u30a4\u30f3\u30c8(__driDriverGetExtensions_xlnx) \u5728\u52a8\u6001\u5e93(xlnx_dri.so) \u4e2d\u8fdb\u884c\u4e86\u5b9a\u4e49\u3002\u8be5\u5165\u53e3\u70b9\u662f\u5728\u524d\u4e00\u7ae0\u4e2d\u63cf\u8ff0\u7684DRI Lima\u6784\u5efa\u8fc7\u7a0b\u4e2d\u6dfb\u52a0\u7684\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"cp\">#define DEFINE_LOADER_DRM_ENTRYPOINT(drivername)                          \\\\\r\n<\/span><span class=\"k\">const<\/span> <span class=\"n\">__DRIextension<\/span> <span class=\"o\">**<\/span><span class=\"n\">__driDriverGetExtensions_<\/span><span class=\"err\">##<\/span><span class=\"n\">drivername<\/span><span class=\"p\">(<\/span><span class=\"kt\">void<\/span><span class=\"p\">);<\/span>       <span class=\"err\">\\<\/span>\\\r\n<span class=\"n\">PUBLIC<\/span> <span class=\"k\">const<\/span> <span class=\"n\">__DRIextension<\/span> <span class=\"o\">**<\/span><span class=\"n\">__driDriverGetExtensions_<\/span><span class=\"err\">##<\/span><span class=\"n\">drivername<\/span><span class=\"p\">(<\/span><span class=\"kt\">void<\/span><span class=\"p\">)<\/span> <span class=\"err\">\\<\/span>\\\r\n<span class=\"p\">{<\/span>                                                                         <span class=\"err\">\\<\/span>\\\r\n   <span class=\"n\">globalDriverAPI<\/span> <span class=\"o\">=<\/span> <span class=\"o\">&amp;<\/span><span class=\"n\">galliumdrm_driver_api<\/span><span class=\"p\">;<\/span>                              <span class=\"err\">\\<\/span>\\\r\n   <span class=\"k\">return<\/span> <span class=\"n\">galliumdrm_driver_extensions<\/span><span class=\"p\">;<\/span>                                   <span class=\"err\">\\<\/span>\\\r\n<span class=\"p\">}<\/span>\r\n  <span class=\"o\">:<\/span>\r\n  <span class=\"o\">:<\/span>\r\n<span class=\"n\">DEFINE_LOADER_DRM_ENTRYPOINT<\/span><span class=\"p\">(<\/span><span class=\"n\">xlnx<\/span><span class=\"p\">)<\/span>\r\n  <span class=\"o\">:<\/span>\r\n\r\n<\/code><\/pre>\n<h1>\u8bf7\u63d0\u4f9b\u4e0b\u5217\u8d44\u6599\u4f5c\u4e3a\u53c2\u8003\u3002<\/p>\n<ul class=\"post-ul\">\nLima web (https:\/\/gitlab.freedesktop.org\/lima\/web)<br \/>\nMesa 3D and Direct Rendering Infrastructure wiki  (https:\/\/dri.freedesktop.org\/wiki)<br \/>\nhttps:\/\/github.com\/ikwzm\/ZynqMP-FPGA-Ubuntu20.04-Lima-Ultra96<br \/>\nhttps:\/\/github.com\/ikwzm\/mesa-xlnx\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u8bf7\u6ce8\u610f(2022\u5e7410\u670812\u65e5\u8865\u5145) \u8bf7\u53c2\u8003\u6211\u4e8e2022\u5e7410\u6708\u53d1\u5e03\u7684\u4ee5\u4e0b\u6587\u7ae0\uff0c\u8fd9\u662f\u4e00\u7bc7\u57282021\u5e744\u6708\u53d1\u5e03\u7684 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-27088","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u6211\u5728Ultra96\/Ultra96-V2\u4e0a\u5c1d\u8bd5\u5728Ubuntu20.04\u4e0a\u8fd0\u884cLima (DRI Lima\u7248\u672c) - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8e\u6211\u5728Ultra96\/Ultra96-V2\u4e0a\u5c1d\u8bd5\u5728Ubuntu20.04\u4e0a\u8fd0\u884cLima (DRI Li\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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property=\"article:modified_time\" content=\"2025-08-11T16:42:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657c1fb0d0c9c81e0f5bb462\/10-0.jpeg\" \/>\n<meta name=\"author\" content=\"\u97f5, \u79d1\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u97f5, \u79d1\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 \u5206\" \/>\n<script type=\"application\/ld+json\" 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