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gl-streaming

GLStreaming

Streaming opengl commands over network

A fast, simple, lightweight and low latency framework suitable for embedded systems.

  • Original image gl-streaming summary

  • gl_client : client framework and sample program

    The client system may not need to have any GPU. Even without GPU, opengl programs can be run on any system !

    (X Server is now required by client).

    Some codes are from @mittorn fork for base methods, @tinmaniac for base Android port and do my attempt on implement all stub methods to run on GL4ES.

  • gl_server : server framework

    gl_server is optimized for Android for now. Therefore, the client system can use opengl es 2.0.

  • android_gl_server : Android demo port app.

Demo Video (RPi original video)

Demo Video1

Demo Video2

Demo Video (Android port)

Demo Video

TODO implement

  • glGetActiveUniform
  • glGetError
  • glGetIntegerv
  • glGetFloatv
  • glReadPixels (experimental)
  • glGetProgramiv
  • glGetShaderiv
  • glGetString
  • glTexSubImage2D

Current status

  • es2_info, es2gears and es2tri will work.
  • GL4ES apps/games may work but in blank textures (will see in glxdemo and glxheads).

Notes

  • Current minimum SDK level is set to 21 (Android 5) but it may work on older Android devices by some modifies.
  • Default port of server: 18145, client: 18146.

Known issue (Android)

  • Some old devices: put app to background will make app lost EGL context (not show anything).

Quick start

Server

  • Build android_gl_server use Android Studio or other similar to.
  • Install android_gl_server apk to Android device or AVD.
  • Run it.

Client

  • copy the gl_client directory to any computer.

cd gl_client

make

./sample1 -s 192.168.0.2:18145 -c 192.168.0.3:18146 -j /dev/input/js0

./sample2 -s 192.168.0.2:18145 -c 192.168.0.3:18146 -j /dev/input/js0

(Usage: ./sampleX [-c my_ip_address:port] [-s server_ip_address:port] [-j joystick_device])

License

BSD 3-Clause license (except other's source code)

about sample2 camel model: original model from http://opengameart.org/content/camel License:CC0 author: noway, sandsound (Thanks for sharing!)

Bookmarks

Special Thanks

Thank you very much for your interest and advices.

  • noway @opengameart.org /
  • sandsound @opengameart.org /
  • GClements @OpenGL forum /
  • The Little Body @OpenGL forum /
  • Stephen A @OpenGL forum /
  • over9000 @Parallella forum /
  • LamsonNguyen @Parallella forum /
  • Gravis @Parallella forum /
  • svartalf @Parallella forum /
  • Raspberry Pi Foundation /
  • Adapteva /

(c) Shodruky Rhyammer

since Oct 21, 2013