[Bug 46470] opencl 1.2 version support required

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=46470

--- Comment #8 from Sveinar Søpler <cybermax at dexter.no> ---
(In reply to Nakarin Khankham from comment #7)
> Since wine's opencl.dll pass-though is missing some functions that was added
> in OpenCL 1.1+
> 
> Or test it with Windows version of Blender 2.79b, both before and after
> apply the patch.
> Set the compute device to your OpenCL GPU. If wine didn't pass-thought
> OpenCL 1.2 functionary, the GPU will not be list as a compute device in
> blender. Then render the default scene with Cycle to see if it really
> working.

Not really sure how to interpret this, cos the clinfo.exe reports more or less
the same as GPU Caps Viewer, except at the end.

Number of platforms                               1
  Platform Name                                   NVIDIA CUDA
  Platform Vendor                                 NVIDIA Corporation
  Platform Version                                OpenCL 1.2 CUDA 10.1.95
  Platform Profile                                FULL_PROFILE
  Platform Extensions                             

  Platform Name                                   NVIDIA CUDA
Number of devices                                 1
  Device Name                                     GeForce GTX 970
  Device Vendor                                   NVIDIA Corporation
  Device Vendor ID                                0x10de
  Device Version                                  OpenCL 1.2 CUDA
  Driver Version                                  418.31.03
  Device OpenCL C Version                         OpenCL C 1.2 
  Device Type                                     GPU
  Device Profile                                  FULL_PROFILE
blabla
blabla
and so on
NULL platform behavior
  clGetPlatformInfo(NULL, CL_PLATFORM_NAME, ...)  No platform
  clGetDeviceIDs(NULL, CL_DEVICE_TYPE_ALL, ...)   No platform
  clCreateContext(NULL, ...) [default]            No platform
  clCreateContext(NULL, ...) [other]              Success [P0]
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_DEFAULT)  No platform
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_CPU)  No devices found in
platform
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_GPU)  No platform
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_ACCELERATOR)  No devices found
in platform
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_CUSTOM)  Invalid device type for
platform
  clCreateContextFromType(NULL, CL_DEVICE_TYPE_ALL)  No platform
    NOTE:    your OpenCL library only supports OpenCL 1.0,
        but some installed platforms support OpenCL 1.2.
        Programs using 1.2 features may crash
        or behave unexpectedly

So.. is it the "NULL platform" that is the issue here? Or is this "NULL
Platform" the error message that CL 1.2 is not supported?

Blender seems to support CUDA for nVidia (via staging nvapi.dll hacks), but i
dont really have a clue on how to USE blender, so i dont know any more tests.
(Unless you can provide some extremely simple "load this -> Press that button"
instructions for me..)

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