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

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

SYNOPSIS
       glmark2-es2 [options]

DESCRIPTION
       glmark2-es2 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	bench-
	      mark descriptions	(one per line) (the option can be used	multi-
	      ple times)

       --validate
	      Run a quick output validation test instead of running the	bench-
	      marks

       --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=STEN-
	      CIL:samples=SAMPLES'.   The parameters may be defined in any or-
	      der, and any omitted parameters assume a default	value  of  '0'
	      (id, stencil, samples) or	'1' (red, green, blue, alpha, buffer).
	      If 'id' is set to	a non-zero value, all other parameters are ig-
	      nored

       --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 ':' sep-
	      arated 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,
	      separated	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  explic-
	      itly 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  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
       rendered	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, 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
       using  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	speci-
       fied option values are used as the default values for  benchmarks  fol-
       lowing this description string.

EXAMPLES
       To run the default benchmarks:

	      glmark2-es2

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

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

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

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

       To set default option values for	benchmarks:

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

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

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

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