【opengles】pcDuino粉丝的福音-0906版本默认打开opengl
在0531的版本中opengles默认是没有打开的，有些粉丝为了按照帖子，可吃了不少苦，原因很简单，sunxi最后更新了mail400驱动库，导致粉丝不能完美的按照帖子走。在0906的版本中粉丝们再也不用吃这些苦了，opengles默认是打开的，而且很稳定。下面我就教大家怎么来测试你手上的板子：
进入桌面之后，打开终端，执行以下命令：
[*]glmark2-es2 -h
[*]
A benchmark for Open GL (ES) 2.0
Options:
-b, –benchmark BENCHA benchmark to run: ‘scene(: opt1=val1)*’
(the option can be used multiple times)
-f, –benchmark-file F Load benchmarks to run from a file containing a
list of benchmark descriptions (one per line)
(the option can be used multiple times)
–validate Run a quick output validation test instead of
running the benchmarks
–frame-end METHOD How to end a frame
–off-screen Render to an off-screen surface
–visual-config CThe visual configuration to use for the rendering
target: ‘red=R:green=G:blue=B:alpha=A:buffer=BUF’.
The parameters may be defined in any order, and any
omitted parameters assume a default value of ’1′
–reuse-context Use a single context for all scenes
(by default, each scene gets its own context)
-s, –size WxH Size of the output window (default: 800×600)
–fullscreen Run in fullscreen mode (equivalent to –size -1x-1)
-l, –list-scenes Display information about the available scenes
and their options
–show-all-options Show all scene option values used for benchmarks
(only explicitly set options are shown by default)
–run-forever Run indefinitely, looping from the last benchmark
back to the first
–annotate Annotate the benchmarks with on-screen information
(same as -b :show-fps=true:title=#info#)
-d, –debug Display debug messages
-h, –help Display help[*]
可以看出相应参数的意思。这里我给大家介绍两个很有用的参数
1，–annotate 使用这个参数可以看到测试程序的帧率
2，–run-forever 这个参数可以让测试程序一直运行
大家拿到板子之后都可以测试板子的性能，相当不错。
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