It is when you do eComponentWise, but you have set it to ePixelWise, so it
does all 4 chans in one go.
fre. 30. dec. 2016 kl. 14.06 skrev Erwan Leroy <er...@erwanleroy.com>:
> 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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> --
Best regards. Mads Hagbarth Lund
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