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mszyprow: <u>hverkuil</u>: Krzysztof managed to fix Odroid U3 USB issue after TFTP boot :)
hverkuil: I saw. Good news. I'll test it today if I find some time.
mszyprow: <u>hverkuil</u>: I hope it will help you with development
hverkuil: I'm trying to create an environment where I can easily test such devices without having to copy kernels to the SD card all the time. So this will definitely help.
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sailus: <u>hverkuil</u>: Any objections to using full 32 bits for the request id?
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bparrot: hverkuil, are you still around?
hverkuil: <u>bparrot</u>: yes
<br> but not for long
<br> <u>sailus</u>: you will have to refresh my memory.
bparrot: hverkuil, well i was trying to use qdisp. But i am having issues building it.
hverkuil: and why do you want 32 bits? (I see my code uses 16 bits at the moment because it is in a union with the 'which' field)
<br> <u>bparrot</u>: qt5 version issues, right?
bparrot: I am on Ubuntu 14.04 and the base Qt is 5.2, i was able to install Qt5.6 and complete the build but now when i run it let's say to displa a raw file i get runtime errors, hang on i'll post them
<br> http://pastebin.ubuntu.com/16127621/
hverkuil: are you using openGL or openGL ES?
bparrot: ehh no ideas
<br> how can i tell?
hverkuil: Hmm, I'm pretty sure it's openGL since ES doesn't work yet. Which GPU do you have?
bparrot: nvidia
hverkuil: You know, it looks like your shader compiler doesn't understand the \ at the end of the #if statements
bparrot: quadro nvs 290
hverkuil: What does glxinfo|grep version return?
<br> (glxinfo is part of the mesa-utils package)
bparrot: hang on need to install it
<br> glxinfo|grep version
<br> server glx version string: 1.4
<br> client glx version string: 1.4
<br> GLX version: 1.4
<br> OpenGL core profile version string: 3.3.0 NVIDIA 340.96
<br> OpenGL core profile shading language version string: 3.30 NVIDIA via Cg compiler
<br> OpenGL version string: 3.3.0 NVIDIA 340.96
<br> OpenGL shading language version string: 3.30 NVIDIA via Cg compiler
hverkuil: OpenGL core profile version string: 4.5.0 NVIDIA 361.42
<br> OpenGL core profile shading language version string: 4.50 NVIDIA
<br> OpenGL version string: 4.5.0 NVIDIA 361.42
<br> OpenGL shading language version string: 4.50 NVIDIA
<br> OpenGL ES profile version string: OpenGL ES 3.2 NVIDIA 361.42
<br> OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
bparrot: so you have newer h/w, great
<br> 340 is the latest driver for my card
hverkuil: I can't imagine that opengl 3.3 can't handle \ at the end.
bparrot: stranger things have happened.
<br> actually yours is a little older
<br> weird
<br> oh no nvm
hverkuil: I have opengl 4.5 and opengl ES 3.2, don't confuse the two.
bparrot: right right
hverkuil: try concatenating the #if lines, dropping the \ at the end.
bparrot: from which file?
<br> capture-win-gl.cpp?
hverkuil: v4l2-convert.glsl
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hverkuil: What does glxinfo|grep 420pack give you?
<br> See also https://www.opengl.org/registry/specs/ARB/shading_language_420pack.txt
<br> Seems that that extension adds preprocessor line continuation support
bparrot: hverkuil, removing the trailing \ did the trick
<br> pretty weird
<br> it gives me:
<br> GL_ARB_shading_language_100, GL_ARB_shading_language_420pack,
<br> GL_ARB_shading_language_100, GL_ARB_shading_language_420pack,
hverkuil: Hmm, that's strange.
<br> Can you try this: edit capture-win-gl.cpp and change #version 130 to #version 150 (line 1260) and try again (with the line continuation in place)
bparrot: ok hang on
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bparrot: hverkuil, same error as before
<br> actually i little different, hold on
<br> http://pastebin.ubuntu.com/16128206/
hverkuil: Let me see if I can fix this.
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bparrot: ok, thanks
<br> no problem, at least i have a way to use it for noe
<br> s/noe/now
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hverkuil: <u>bparrot</u>: updated the repo. Try again (you need to run bootstrap.sh; configure again)
<br> I generate the v4l2-convert.h from the glsl anyway, so the script now concatenates lines ending at \
bparrot: rebuilding now
<br> hverkuil, it works
<br> thanks
hverkuil: nice
<br> I wish I had a bit more time to work on this. I'd really like to add OpenGL ES support to it.
<br> One thing that would also be nice is if qdisp could listen to a socket and v4l2-ctl could stream to that socket.
<br> Ideal for testing on an embedded system that doesn't have a working output or can't use opengl.
bparrot: that would be very useful during board bring up when the display is not available yet
<br> or even allow for remote debug
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