Le 27/10/2014 19:30, Antoine Villeret a écrit :
yes
ok, if it's working, then everything is ok!
cheers
c
with code from Git, I got "Direct Rendering enabled!" posted on window creation.
by changing GL_TRUE to GL_FALSE in gemglxwindow.cpp:303 [1] I don't
get this message again but the FPS stay at 60fps
(@Cyrille : with pixel_liquide2_57.pd, 1920x1080, framebuffer rendering)
Moreover according to [2], Nvidia's driver are using GLX not DRI but I
can't verify this yet.
Note that the repo contains an example on how to share texture between
2 process on embedded hardware (EGL) using DRI, maybe this note only
apply to embedded Nvidia's driver.
+
a
[1] :
https://github.com/avilleret/Gem/blob/master/src/Output/gemglxwindow.cpp#L303
[2] : https://github.com/pcwalton/linux-drm-sharing-test/blob/master/README
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2014-10-27 19:17 GMT+01:00 Cyrille Henry <[email protected]>:
how did you get hardware acceleration without DRI?
cheers
c
Le 27/10/2014 18:04, Antoine Villeret a écrit :
why ? how huge ?
I understand that direct rendering could improve performances but
I can run very GPU expensive patchs you made without direct rendering
and without noticable difference.
So it may be worth a try...
a
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2014-10-27 11:11 GMT+01:00 Cyrille Henry <[email protected]>:
Le 27/10/2014 10:41, Antoine Villeret a écrit :
hello,
since texture sharing seems to work between context inside one Gem's
instance, I'm now wondering how we can introduce texture sharing
between process.
According to [1], texture (and more generally display list) can be
shared between process if direct rendering is disabled and process are
using the same X server.
If I understand correctly, the only thing to do is to share the
display list structure over process.
Could we use shared memory to do that ?
I look into the [gemglxwindow] and [gemglutwindow] code and it looks a
bit obscure to me, it uses advanced C++ idioms (PIMPL for the former
and CALLBACK4WIN for the latter) that I don't understand well yet. So
I want to know if this texture sharing between process is feasible
before going deeper.
direct rendering disable?
that's look like a huge problem...
cheers
c
Cheers
Antoine
[1] : https://www.opengl.org/sdk/docs/man2/xhtml/glXCreateContext.xml
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