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GLMARK2-ES2-DRM(1)	     General Commands Manual	      GLMARK2-ES2-DRM(1)

NAME
     glmark2-es2-drm - OpenGL (ES) 2.0 benchmark suite

SYNOPSIS
     glmark2-es2-drm [options]

DESCRIPTION
     glmark2-es2-drm is a benchmark for OpenGL (ES) 2.0. It only uses the subset
     of the OpenGL 2.0 API that is compatible with OpenGL ES 2.0.

OPTIONS
     -b, --benchmark BENCH
	    A  benchmark  to  run:  'scene(:opt1=val1)*' (the option can be used
	    multiple times)

     -f, --benchmark-file FILE
	    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

     --data-path PATH
	    Path to glmark2 models, shaders and textures

     --frame-end METHOD
	    How to end a frame [default,none,swap,finish,readpixels]

     --swap-mode MODE
	    How  to  swap  a  frame, all modes supported only in the DRM flavor,
	    'fifo' available in all  flavors  to  force  vsync	[default,immedi-
	    ate,mailbox,fifo]

     --off-screen
	    Render to an off-screen surface

     --visual-config
	    The   visual   configuration   to  use  for  the  rendering  target:
	    'id=ID:red=R:green=G:blue=B:alpha=A:buffer=BUF:stencil=STENCIL:sam-
	    ples=SAMPLES'.  The parameters may be defined in any order, and  any
	    omitted  parameters assume a default value of '0' (id, stencil, sam-
	    ples) or '1' (red, green, blue, alpha, buffer).  If 'id' is set to a
	    non-zero value, all other parameters are ignored

     --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: 800x600)

     --fullscreen
	    Run in fullscreen mode (equivalent to --size -1x-1)

     --results RESULTS
	    The types of results to report for each benchmark, as  a  ':'  sepa-
	    rated list [fps,cpu,shader]

     --results-file RESULTS-FILE
	    The  file  to  save  the results to, in the format determined by the
	    file extension [csv,xml]

     --winsys-options OPTS
	    A list of 'opt=value' pairs for window system specific options, sep-
	    arated by ':'

     -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

     --version
	    Display program version

     -h, --help
	    Display help

BENCHMARKS
     glmark2-es2-drm offers a suite of scenes that can be used to  measure  many
     aspects of OpenGL (ES) 2.0 performance. The way in which each scene is ren-
     dered is configurable through a set of options. To get the available scenes
     and their acceptable options you can use the -l, --list-scenes command line
     option.

     In  glmark2-es2-drm, a benchmark is defined as a scene plus a set of option
     values.  You can specify the list and order of the benchmarks to run by us-
     ing the -b, --benchmark command line option (possibly multiple times).   If
     no  benchmarks  are  specified,  a  default set of benchmarks is used. If a
     benchmark option is not specified it assumes its default value (listed with
     -l, --list-scenes).

     As a special case, a benchmark description string is allowed to not contain
     a scene name (i.e. to start with ':'). In this case, any  specified  option
     values  are  used	as  the default values for benchmarks following this de-
     scription string.

EXAMPLES
     To run the default benchmarks:

	    glmark2-es2-drm

     To run a benchmark using scene 'shading' with a 'duration' of '5.0' seconds
     and
      'shading' of type 'phong':

	    glmark2-es2-drm -b shading:duration=5.0:shading=phong

     To run a series of benchmarks use the -b, --benchmark command  line  option
     multiple times:

	    glmark2-es2-drm  -b  shading:duration=5.0  -b build:use-vbo=false -b
	    texture

     To set default option values for benchmarks:

	    glmark2-es2-drm -b :duration=2.0  -b  shading  -b  build  -b  :dura-
	    tion=5.0 -b texture

AUTHOR
     glmark2-es2-drm  was  written by Alexandros Frantzis and Jesse Barker based
     on the original glmark by Ben Smith.

glmark2-es2-drm 2023.01 	  January 2023		      GLMARK2-ES2-DRM(1)

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