[GEM-dev] context sharing

[IOhannes m zmoelnig]

On 2015-06-24 10:22, Husk 00 wrote:
> Is this bug traced on the wiki? There is a way to know if/when it will be
> solved?

not in the wiki. in the issue-tracker:
https://github.com/umlaeute/Gem/issues/87

> 
> finally:
>> afair glfw3 has support for context-sharing, and it (the glfw3 demo
>> showing this feature) doesn't seem to crash on intel cards.
>> which hints that the bug is really with Gem (not the drivers).
>> i can't remember the state of the [gemglfw3window] regarding context
>> sharing.
>>
>>
> 
> I want to test gemglfw3window with my drivers but I had this error:
> /usr/lib/pd/extra/Gem/gemglfw3window.pd_linux: undefined symbol:
> glfwSetCursorPosCallback

according to [1], the function is in glfw3.
so either it's a transient bug in glfw3 or...

> 
> GLFW3 was compiled from source (git repo). Gem was configured with
> "--with-glfw3-CFLAGS=/usr/include/GLFW/ --with-glfw3-LIBS=/usr/lib/" flags.
> 

...your build-flags told Gem not to link against libglfw.

if you must pass --with-glfw3-*FLAGS, then you should use:
"--with-glfw3-CFLAGS=$(pkg-config --cflags glfw3)
--with-glfw3-LIBS=$(pkg-config --libs glfw3)"

but really, Gem should detect glfw3 automatically (did you try that?)


fgmasdr
IOhannes

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