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Re: 2000 Sprites @ 60 Hz tops ? / Core Kernel slowed down by Inputs ?



On the topic of Core Image Kernels: What could possibly be the difference between

kernel vec4    effect( sampler image)
{
   vec2   xy;

   xy = samplerCoord( image);
   return sample( image, xy);
}

and

kernel vec4    effect( sampler image)
{
   return sample( image, samplerCoord( image));
}

??

But they draw differently. Local variables considered harmful... :)

Ciao
    Nat!

Attachment: CuriousBug.qtz
Description: application/quartzcomposer

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References: 
 >2000 Sprites @ 60 Hz tops ? / Core Kernel slowed down by Inputs ? (From: Nat! <email@hidden>)
 >Re: 2000 Sprites @ 60 Hz tops ? / Core Kernel slowed down by Inputs ? (From: Pierre-Olivier Latour <email@hidden>)
 >Re: 2000 Sprites @ 60 Hz tops ? / Core Kernel slowed down by Inputs ? (From: Nat! <email@hidden>)
 >Re: 2000 Sprites @ 60 Hz tops ? / Core Kernel slowed down by Inputs ? (From: Pierre-Olivier Latour <email@hidden>)
 >Re: 2000 Sprites @ 60 Hz tops ? / Core Kernel slowed down by Inputs ? (From: Nat! <email@hidden>)
 >Re: 2000 Sprites @ 60 Hz tops ? / Core Kernel slowed down by Inputs ? (From: Pierre-Olivier Latour <email@hidden>)
 >Re: 2000 Sprites @ 60 Hz tops ? / Core Kernel slowed down by Inputs ? (From: Nat! <email@hidden>)
 >Re: 2000 Sprites @ 60 Hz tops ? / Core Kernel slowed down by Inputs ? (From: Nat! <email@hidden>)
 >Re: 2000 Sprites @ 60 Hz tops ? / Core Kernel slowed down by Inputs ? (From: Sam Kass <email@hidden>)
 >Re: 2000 Sprites @ 60 Hz tops ? / Core Kernel slowed down by Inputs ? (From: Nat! <email@hidden>)
 >Re: 2000 Sprites @ 60 Hz tops ? / Core Kernel slowed down by Inputs ? (From: Sam Kass <email@hidden>)



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