(Problem) Mandelbulber 2.16 Open CL failure with AMD Radeon HD 6970M 2048 MB

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Offline trigger2k19

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« on: January 27, 2019, 01:55:43 PM »
Hi,
i have a Imac iMac (27-inch, 16 GB, Mid 2011, latest macos high sierra) with AMD Radeon HD 6970M 2048 MB. When i enable OpenCL in Mandelbulber Version: 2.16 the i get the following error message:

Error: Error during compilation of OpenCL program
OpenCL Build log:
<program source>:26:1: error: expected identifier or '('
#include "/Applications/mandelbulber2.app/opencl/engines/bicubic_interpolation.cl"
^
<program source>:33:1: error: expected identifier or '('
#include "/Applications/mandelbulber2.app/opencl/engines/shader_hsv2rgb.cl"
^
<program source>:41:1: error: expected identifier or '('
#include "/Applications/mandelbulber2.app/opencl/engines/shader_ambient_occlusion.cl"
^
<program source>:51:1: error: expected identifier or '('
#in

Please help, thanks  :)
trigger2k19

Offline buddhi

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« Reply #1 on: January 27, 2019, 03:23:28 PM »
This is very strange problem of OpenCL compile which occurs only on MacOS. On every other system all OpenCL programs are compiled properly.
Actually I don't have an idea what could eliminate this failure.
Only what I found in interned are:
https://devtalk.nvidia.com/default/topic/480071/cuda-programming-and-performance/problem-compiling-simple-example/
https://stackoverflow.com/questions/24971071/opencl-expected-identifier-in-kernel
It looks like other developers also encountered this problem.

I don't have any machine with MacOS
I need to find somebody with Apple computer who can help me to solve this problem.


Offline trigger2k19

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« Reply #2 on: January 28, 2019, 01:04:40 AM »
Hi buddi,

i have a imac and maybe i can help. Are you a developer of Mandelbulber ?

Offline Tas_mania

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« Reply #3 on: January 28, 2019, 11:46:43 PM »
Is the error from enabling OpenCL in 'Program Preferences'? I had a 2Gb Nvidia card that I could enable in Preferences but was unusable in Mandelbulber. It would be good to establish a Mandelbulber 'minimum system requirements' for Radeon and Nvidia. OpenCL 1.1 does not work and it looks like 4Gb ram is also a minimum requirement.

Offline buddhi

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« Reply #4 on: February 06, 2019, 10:18:22 PM »
Hi buddi,

i have a imac and maybe i can help. Are you a developer of Mandelbulber ?

Yes, I'm a developer of Mandelbulber. I need help of somebody who has iMac and is capable to work with C++ code. Are you able to compile Mandelbulber from source on MacOS and run it? If yes, I can give you some advices what kind of changes in the code would be needed to do and test.

Offline hgjf2

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« Reply #5 on: February 09, 2019, 10:18:23 AM »
Also this "open CL failure" bug is fewer than the bug "pBuffer don't accepted" of the program INCENDIA whick don't supports WINDOWS 10 and don't supports certain IPs, that INCENDIA won't open.

Offline verstaerker

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« Reply #6 on: March 11, 2019, 10:41:54 AM »
i can't help with the issue but i can confirm this bug with mandelbulber 2.17 on two different machines
MacPro 2013 (Dual D500)
and a
Macbook Pro 2016 (AMD 460)
both are on 10.14.3


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