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Hi Ulrich,
thanks, but both options fail with code -30 just as before.
Jens
On 10/30/2012 07:20 PM, Ulrich Pegelow wrote:
> Hi Jens,
>
> strange, that kernel is probably the least thrilling in there. The
> only thing I could imagine is some problem of your compiler. Here
> are a few ad-hoc ideas:
>
> a)
>
> __kernel void blendop_mask_RAW (__read_only image2d_t in_a,
> __read_only image2d_t in_b, __write_only image2d_t mask, const int
> width, const int height, const float gopacity, const int blendif,
> global const float *blendif_parameters) { const int x =
> get_global_id(0); const int y = get_global_id(1);
>
> if(x >= width || y >= height) return;
>
> float opacity = gopacity;
>
> write_imagef(mask, (int2)(x, y), opacity); }
>
>
> b)
>
> __kernel void blendop_mask_RAW (__read_only image2d_t in_a,
> __read_only image2d_t in_b, __write_only image2d_t mask, const int
> width, const int height, const float gopacity, const int blendif,
> global const float *blendif_parameters) { const int x =
> get_global_id(0); const int y = get_global_id(1);
>
> if(x >= width || y >= height) return;
>
> write_imagef(mask, (int2)(x, y), (float4)gopacity); }
>
>
> Ulrich
>
> Am 30.10.2012 16:37, schrieb Jens Fendler:
>> Hi all,
>>
>> thanks a lot for your support sp far, but so far it seems
>> nothing really worked. I always get stuck at the same point,
>> which is: other GL apps run fine through optirun, but darktable's
>> openCL support fails when it comes to compiling blendop.cl.
>>
>> However, I could make some progress (still testing) by removing
>> individual kernels from blendop.cl. The problem seems to be with
>> one kernel only: __kernel void blendop_mask_RAW( ... ). In
>> particular, the problem is with the last statement:
>> write_imagef(mask, (int2)(x, y), gopacity);
>>
>> If that last line is commented out, dt compiles all openCL code
>> flawlessly and seems to work just fine.
>>
>> The only significant difference I see between those
>> blendop_mask_* kernels is that the RAW version doesn't call
>> read_imagef() first.. well, I actually have no clue when it comes
>> to OpenCL.. it's just what I noticed for now.
>>
>> Can someone please suggest a way forward from here?
>>
>> Thanks a lot, Jens
>>
>> PS: Johannes and Kevin: you both mentioned running dt on optimus
>> cards as well. Does one of you happen to also have the same card
>> (i.e. GT640M)?
>>
>
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