Windows 10. CEPL (Not Responding)

[hww]

Windows 10
Nvidia GTS450 with latest driver
GNU Emacs 25.2.1 (x86_64-w64-mingw32) of 2017-04-24
SBCL 1.4.2,

After (cepl:repl)
In the terminal

-----------------
    CEPL-REPL
-----------------
#<DEFAULT-FBO COLOR-ATTRS (0 1) DEPTH-ATTR T>
*

the OpenGL window shows in header "CEPL (Not Responding)"

Is there anything like log file to check details of issue?

In case in just run examples. There will be next error

CEPL: When trying to compile the pipeline we found some stages which have
conflicting glsl version requirements:
   [Condition of type CEPL.ERRORS:GLSL-VERSION-CONFLICT]

Restarts:
 0: [CONTINUE] Livesupport: Continue
 1: [RETRY] Retry SLIME REPL evaluation request.
 2: [*ABORT] Return to SLIME's top level.
 3: [ABORT] abort thread (#<THREAD "repl-thread" RUNNING {1003378013}>)

Backtrace:
  0: (CEPL.PIPELINES::THROW-VERSION-ERROR ((:VERTEX . #<CEPL.PIPELINES::GPU-FUNC-SPEC {1004D8C343}>) (:FRAGMENT . #<CEPL.PIPELINES::GPU-FUNC-SPEC {1004D8C303}>)) (NIL NIL))
  1: (CEPL.PIPELINES::%COMPILE-LINK-AND-UPLOAD BLIT #<VARJO.INTERNALS:TRIANGLES {1004CF6A13}> ((:VERTEX . #<CEPL.PIPELINES::GPU-FUNC-SPEC {1004D8C343}>) (:FRAGMENT . #<CEPL.PIPELINES::GPU-FUNC-SPEC {1004D8..
  2: ((FLET SB-THREAD::WITH-MUTEX-THUNK :IN CEPL.HIDDEN::CEPL.EXAMPLES.BLIT.INIT))
  3: ((FLET "WITHOUT-INTERRUPTS-BODY-1" :IN SB-THREAD::CALL-WITH-MUTEX))
  4: (SB-THREAD::CALL-WITH-MUTEX #<CLOSURE (FLET SB-THREAD::WITH-MUTEX-THUNK :IN CEPL.HIDDEN::CEPL.EXAMPLES.BLIT.INIT) {862DBFB}> #<SB-THREAD:MUTEX "Anonymous lock" owner: #<SB-THREAD:THREAD "repl-thread" ..
  5: (CEPL.HIDDEN::CEPL.EXAMPLES.BLIT.INIT #S(CEPL.PIPELINES::PIPELINE-STATE :DIFF-TAG 0 :PROG-IDS #(4294967295 4294967295 4294967295 4294967295 4294967295 4294967295 ...) :IMPLICIT-UNIFORM-UPLOAD-FUNC #<F..
  6: (BLIT #<CEPL-CONTEXT #<THREAD "repl-thread" RUNNING {1003378013}>> #<CEPL:BUFFER-STREAM (1) :LENGTH 6> :TEX #<SAMPLER-2D #<TEXTURE-2D (2048x2048)>>)
  7: (BLOOM #<CEPL:BUFFER-STREAM (1) :LENGTH 6> #<SAMPLER-2D #<TEXTURE-2D (2048x2048)>>)
  8: (STEP-DEMO)
  9: (RUN-LOOP)
 10: ((FLET RUN-TEST :IN RUN-EM-ALL) :CEPL.EXAMPLES "bloom.lisp")
 11: (RUN-EM-ALL)
 12: (SB-INT:SIMPLE-EVAL-IN-LEXENV (RUN-EM-ALL) #<NULL-LEXENV>)
 13: (EVAL (RUN-EM-ALL))
 --more--

[cbaggers]

Thanks for reporting.

The Not Responding is actually totally fine. What is happening is that you code is not calling step-host which, amongst other things, polls for input. Because of this the OS has to assume that the program has stopped, you can safely say 'ignore' or 'wait' or whatever the OS provides (other than close the program). In my streams I have been lazy and used nineveh's def-simple-main-loop macro which does a number of things for you, including calling the step-host function.

Which examples are you running and what do you get from running (cepl.context:version-float (cepl:cepl-context)) in the REPL after running (cepl:repl)?

[hww]

CL-USER> (cepl.context:version-float (cepl:cepl-context))
4.6
The error message abowe from bloom.lisp
But same error will be with triangle.lisp

[cbaggers]

That is really interesting. I bet I have some stupid mistake in cepl around version checking. back soon

[cbaggers]

Hi again @hww , yup there were definitely some bugs in there. I'm not on a machine that supports 4.6 right now, however I have pushed some tweaks to Varjo & CEPL which should help. Please clone the master branches of Varjo & CEPL to your local-projects folder and try the examples again.

Sorry for the inconvenience but thankyou for reporting the issue