C++ (Cpp) EnqueueConvolveKernel Beispiele

Beispiel #1

Datei: accelerate.c Projekt: JasonGross/characters

MagickExport MagickBooleanType AccelerateConvolveImage(const Image *image,
  const KernelInfo *kernel,Image *convolve_image,ExceptionInfo *exception)
{
  assert(image != (Image *) NULL);
  assert(image->signature == MagickSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  assert(kernel != (KernelInfo *) NULL);
  assert(kernel->signature == MagickSignature);
  assert(convolve_image != (Image *) NULL);
  assert(convolve_image->signature == MagickSignature);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  if ((image->storage_class != DirectClass) || 
      (image->colorspace == CMYKColorspace))
  if ((GetImageVirtualPixelMethod(image) != UndefinedVirtualPixelMethod) &&
      (GetImageVirtualPixelMethod(image) != EdgeVirtualPixelMethod))
    return(MagickFalse);
#if !defined(MAGICKCORE_OPENCL_SUPPORT)
  return(MagickFalse);
#else
  {
    const void
      *pixels;

    ConvolveInfo
      *convolve_info;

    MagickBooleanType
      status;

    MagickSizeType
      length;

    void
      *convolve_pixels;

    convolve_info=GetConvolveInfo(image,"Convolve",ConvolveKernel,exception);
    if (convolve_info == (ConvolveInfo *) NULL)
      return(MagickFalse);
    pixels=AcquirePixelCachePixels(image,&length,exception);
    if (pixels == (const void *) NULL)
      {
        (void) ThrowMagickException(exception,GetMagickModule(),CacheError,
          "UnableToReadPixelCache","`%s'",image->filename);
        convolve_info=DestroyConvolveInfo(convolve_info);
        return(MagickFalse);
      }
    convolve_pixels=GetPixelCachePixels(convolve_image,&length,exception);
    if (convolve_pixels == (void *) NULL)
      {
        (void) ThrowMagickException(exception,GetMagickModule(),CacheError,
          "UnableToReadPixelCache","`%s'",image->filename);
        convolve_info=DestroyConvolveInfo(convolve_info);
        return(MagickFalse);
      }
    status=BindConvolveParameters(convolve_info,image,pixels,kernel->values,
      kernel->width,kernel->height,convolve_pixels);
    if (status == MagickFalse)
      {
        DestroyConvolveBuffers(convolve_info);
        convolve_info=DestroyConvolveInfo(convolve_info);
        return(MagickFalse);
      }
    status=EnqueueConvolveKernel(convolve_info,image,pixels,kernel->values,
      kernel->width,kernel->height,convolve_pixels);
    if (status == MagickFalse)
      {
        DestroyConvolveBuffers(convolve_info);
        convolve_info=DestroyConvolveInfo(convolve_info);
        return(MagickFalse);
      }
    DestroyConvolveBuffers(convolve_info);
    convolve_info=DestroyConvolveInfo(convolve_info);
    return(MagickTrue);
  }
#endif
}

Beispiel #2

Datei: accelerate.c Projekt: brightinteractive/debian-imagemagick

MagickExport MagickBooleanType AccelerateConvolveImage(const Image *image,
  const KernelInfo *kernel,Image *convolve_image,ExceptionInfo *exception)
{
  assert(image != (Image *) NULL);
  assert(image->signature == MagickSignature);
  if (image->debug != MagickFalse)
    (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename);
  assert(kernel != (KernelInfo *) NULL);
  assert(kernel->signature == MagickSignature);
  assert(convolve_image != (Image *) NULL);
  assert(convolve_image->signature == MagickSignature);
  assert(exception != (ExceptionInfo *) NULL);
  assert(exception->signature == MagickSignature);
  if ((image->storage_class != DirectClass) ||
      (image->colorspace == CMYKColorspace))
    return(MagickFalse);
  if ((GetImageVirtualPixelMethod(image) != UndefinedVirtualPixelMethod) &&
      (GetImageVirtualPixelMethod(image) != EdgeVirtualPixelMethod))
    return(MagickFalse);
  if (GetPixelChannels(image) != 4)
    return(MagickFalse);
#if !defined(MAGICKCORE_OPENCL_SUPPORT)
  return(MagickFalse);
#else
  {
    const void
      *pixels;

    float
      *filter;

    ConvolveInfo
      *convolve_info;

    MagickBooleanType
      status;

    MagickSizeType
      length;

    register ssize_t
      i;

    void
      *convolve_pixels;

    convolve_info=GetConvolveInfo(image,"Convolve",ConvolveKernel,exception);
    if (convolve_info == (ConvolveInfo *) NULL)
      return(MagickFalse);
    pixels=AcquirePixelCachePixels(image,&length,exception);
    if (pixels == (const void *) NULL)
      {
        convolve_info=DestroyConvolveInfo(convolve_info);
        (void) ThrowMagickException(exception,GetMagickModule(),CacheError,
          "UnableToReadPixelCache","'%s'",image->filename);
        return(MagickFalse);
      }
    convolve_pixels=GetPixelCachePixels(convolve_image,&length,exception);
    if (convolve_pixels == (void *) NULL)
      {
        convolve_info=DestroyConvolveInfo(convolve_info);
        (void) ThrowMagickException(exception,GetMagickModule(),CacheError,
          "UnableToReadPixelCache","'%s'",image->filename);
        return(MagickFalse);
      }
    filter=(float *) AcquireQuantumMemory(kernel->width,kernel->height*
      sizeof(*filter));
    if (filter == (float *) NULL)
      {
        DestroyConvolveBuffers(convolve_info);
        convolve_info=DestroyConvolveInfo(convolve_info);
        (void) ThrowMagickException(exception,GetMagickModule(),
          ResourceLimitError,"MemoryAllocationFailed","'%s'",image->filename);
        return(MagickFalse);
      }
    for (i=0; i < (ssize_t) (kernel->width*kernel->height); i++)
      filter[i]=(float) kernel->values[i];
    status=BindConvolveParameters(convolve_info,image,pixels,filter,
      kernel->width,kernel->height,convolve_pixels);
    if (status == MagickFalse)
      {
        filter=(float *) RelinquishMagickMemory(filter);
        DestroyConvolveBuffers(convolve_info);
        convolve_info=DestroyConvolveInfo(convolve_info);
        return(MagickFalse);
      }
    status=EnqueueConvolveKernel(convolve_info,image,pixels,filter,
      kernel->width,kernel->height,convolve_pixels);
    filter=(float *) RelinquishMagickMemory(filter);
    if (status == MagickFalse)
      {
        DestroyConvolveBuffers(convolve_info);
        convolve_info=DestroyConvolveInfo(convolve_info);
        return(MagickFalse);
      }
    DestroyConvolveBuffers(convolve_info);
    convolve_info=DestroyConvolveInfo(convolve_info);
    return(MagickTrue);
  }
#endif
}