Oh I see.
I thought dst() was a float, and that the blink would run once for each
channel. That's why I was extracting a single float value as r.
Will try again, thanks.
On Dec 30, 2016 4:02 AM, "Mads Lund" <madshl...@gmail.com> wrote:
> Looks like you are trying to put your float3 into dst() (which is a
> float4).
> Maybe you should break it up like this:
> dst() = float4(r.x,r.y,r.z,1.0f)
>
> On Fri, Dec 30, 2016 at 3:17 AM, Erwan Leroy <er...@erwanleroy.com> wrote:
>
>> Hey Guys,
>> I ran into this problem with blinkscript, I know this mail list is for
>> python but you guys may have some insights.
>>
>> Basically the following script runs just fine (sorry about the stripped
>> indentation)
>>
>> // Sample Data
>> inline float4 sample( int index )
>> {
>>
>> float4 sampleData[3] = {
>>
>> {0.1f, 0.2f, 0.3f, 0.0f},
>>
>> {0.4f, 0.5f, 0.6f, 0.0f},
>>
>> {0.7f, 0.8f, 0.9f, 0.0f}
>>
>> };
>>
>> return (float4)(sampleData[index]);
>>
>> };
>>
>> kernel testTable : ImageComputationKernel<ePixelWise>
>> {
>>
>> Image<eRead, eAccessPoint, eEdgeClamped> src;
>>
>> Image<eWrite> dst;
>>
>> //The kernel function is run at every pixel to produce the output.
>>
>> void process() {
>>
>> float r;
>>
>> r = sample(2)[0];
>>
>>
>> // Output the color
>>
>> dst() = r;
>>
>> }
>>
>> };
>>
>>
>>
>>
>> However my real data sample is float 3 (x,y,z coordinates) but the code
>> with float3 errors when I try to compile:
>>
>>
>> // Sample Data
>> inline float3 sample( int index )
>> {
>>
>> float3 sampleData[3] = {
>>
>> {0.1f, 0.2f, 0.3f},
>>
>> {0.4f, 0.5f, 0.6f},
>>
>> {0.7f, 0.8f, 0.9f}
>>
>> };
>>
>> return (float3)(sampleData[index]);
>>
>> };
>>
>> kernel testTable : ImageComputationKernel<ePixelWise>
>> {
>>
>> Image<eRead, eAccessPoint, eEdgeClamped> src;
>>
>> Image<eWrite> dst;
>>
>> //The kernel function is run at every pixel to produce the output.
>>
>> void process() {
>>
>> float r;
>>
>> r = sample(2)[0];
>>
>> // Output the color
>>
>> dst() = r;
>>
>> }
>>
>> };
>>
>>
>>
>> I tried many different syntaxes, but always run into the same problem,
>> and I can't seem to find the proper documentation for the language, I'm
>> looking at C++ and OpenCL docs but some stuff is different.
>>
>>
>> Any pointers?
>>
>> Thanks
>>
>>
>>
>> *Erwan* LEROY
>> www.erwanleroy.com
>>
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>>
>
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