[Bug 35890] MetaTrader 4.x/5.x reports 'opencl not found, please check you have installed it'

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=35890

Anastasius Focht <focht at gmx.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |RESOLVED
                URL|                            |http://files.metaquotes.net
                   |                            |/metaquotes.software.corp/m
                   |                            |t5/mt5setup.exe
                 CC|                            |focht at gmx.net
         Resolution|---                         |INVALID
            Summary|Metatrader cannot use       |MetaTrader 4.x/5.x reports
                   |OpenCL                      |'opencl not found, please
                   |                            |check you have installed
                   |                            |it'

--- Comment #2 from Anastasius Focht <focht at gmx.net> ---
Hello folks,

make sure your Wine has proper OpenCL support.
You should see 'opencl.dll' being loaded.

Additionally 'WINEDEBUG=+tid,+seh,+loaddll,+opencl' is your friend.

--- quote ---
Surely Windows OpenCL drivers are needed and hence will not work?
--- quote ---

No, native Windows libs can't work. Wine provides an OpenCL wrapper.

A nice article how to use OpenCL with MetaTrader programmatically ("OpenCL: The
Bridge to Parallel Worlds"):

http://www.mql5.com/en/articles/405

If the 'opencl' debugging channel is enabled you can actually see the API calls
when executing/debugging scriptlets:

--- snip ---
....
0057:trace:opencl:wine_clGetDeviceInfo (0x7d321a70, 0x1031, 4, 0xb7fe634,
(nil))
0057:trace:opencl:wine_clGetDeviceInfo (0x7d321a70, 0x1031, 4, 0xb7fe634,
(nil))=0
0057:trace:opencl:wine_clCreateContext (0xb7fe61c, 1, 0xb7fe638, 0x84e6e0,
0x79121a8, 0xb7fe628)
0057:trace:opencl:wine_clCreateContext (0xb7fe61c, 1, 0xb7fe638, 0xb7fe608,
0x79121a8, 0xb7fe628 (0)))=0xf4316d68
0057:trace:opencl:wine_clGetContextInfo (0xf4316d68, 0x1083, 4, 0xb7fe63c,
(nil))
0057:trace:opencl:wine_clGetContextInfo (0xf4316d68, 0x1083, 4, 0xb7fe63c,
(nil))=0
0057:trace:opencl:wine_clGetContextInfo (0xf4316d68, 0x1081, 4, 0xb7fe62c,
(nil))
0057:trace:opencl:wine_clGetContextInfo (0xf4316d68, 0x1081, 4, 0xb7fe62c,
(nil))=0
0057:trace:opencl:wine_clCreateCommandQueue (0xf4316d68, 0x7d321a70, 0x0,
0xb7fe628)
0057:trace:opencl:wine_clCreateCommandQueue (0xf4316d68, 0x7d321a70, 0x0, 
0057:trace:opencl:wine_clGetContextInfo (0xf4316d68, 0x1083, 4, 0xb7fe7a4,
(nil))
0057:trace:opencl:wine_clGetContextInfo (0xf4316d68, 0x1083, 4, 0xb7fe7a4,
(nil))=0
0057:trace:opencl:wine_clGetContextInfo (0xf4316d68, 0x1081, 4, 0xb7fe7a8,
(nil))
0057:trace:opencl:wine_clGetContextInfo (0xf4316d68, 0x1081, 4, 0xb7fe7a8,
(nil))=0
0057:trace:opencl:wine_clCreateProgramWithSource 
0057:trace:opencl:wine_clBuildProgram 
...
--- snip ---

Resolving 'invalid' since this is not a Wine bug.

$ sha1sum mt5setup.exe 
ea4bbbdf8707c6dac702e24db31ccf2619bc42aa  mt5setup.exe

$ du -sh mt5setup.exe 
472K    mt5setup.exe

$ wine --version
wine-1.7.25

Regards

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