[Libclc-dev] [PATCH 2/2] Add some missing convert_* functions

Tom Stellard tom at stellard.net
Mon Aug 5 08:04:58 PDT 2013


On Mon, Aug 05, 2013 at 09:47:19AM -0500, Aaron Watry wrote:
> This patch looks good to me.  There's still issues with other missing
> functions related to saturated and rounded conversions, but this is
> still an improvement.
> 
> Do you have any immediate plans to work on implementing the rest of
> the saturated integer vector conversions (or the FP ones)?
> 

No, not at the moment.  I wrote this patch because the missing
conversion function were causing problems with OpenCV, and now I'm
focused on the other features that OpenCV requires.

-Tom
> 
> On Thu, Aug 1, 2013 at 9:22 PM, Tom Stellard <tom at stellard.net> wrote:
> > From: Tom Stellard <thomas.stellard at amd.com>
> >
> > ---
> >  generic/include/clc/convert.h | 31 +--------------------------
> >  generic/lib/convert.cl        | 49 +++++++++++++++++++++++++++++++++----------
> >  2 files changed, 39 insertions(+), 41 deletions(-)
> >
> > diff --git a/generic/include/clc/convert.h b/generic/include/clc/convert.h
> > index a7ae94a..7c4e5c5 100644
> > --- a/generic/include/clc/convert.h
> > +++ b/generic/include/clc/convert.h
> > @@ -1,37 +1,8 @@
> >  #define _CLC_CONVERT_DECL(FROM_TYPE, TO_TYPE, SUFFIX) \
> >    _CLC_OVERLOAD _CLC_DECL TO_TYPE convert_##TO_TYPE##SUFFIX(FROM_TYPE x);
> >
> > -_CLC_CONVERT_DECL(long, char, )
> > -_CLC_CONVERT_DECL(ulong, uchar, )
> > -_CLC_CONVERT_DECL(long, short, )
> > -_CLC_CONVERT_DECL(ulong, ushort, )
> > -_CLC_CONVERT_DECL(long, int, )
> > -_CLC_CONVERT_DECL(ulong, uint, )
> > -_CLC_CONVERT_DECL(long, long, )
> > -_CLC_CONVERT_DECL(ulong, ulong, )
> > -#ifdef cl_khr_fp64
> > -_CLC_CONVERT_DECL(double, float, )
> > -_CLC_CONVERT_DECL(double, double, )
> > -#else
> > -_CLC_CONVERT_DECL(float, float, )
> > -#endif
> > -
> > -_CLC_CONVERT_DECL(long, char, _sat)
> > -_CLC_CONVERT_DECL(ulong, uchar, _sat)
> > -_CLC_CONVERT_DECL(long, short, _sat)
> > -_CLC_CONVERT_DECL(ulong, ushort, _sat)
> > -_CLC_CONVERT_DECL(long, int, _sat)
> > -_CLC_CONVERT_DECL(ulong, uint, _sat)
> > -_CLC_CONVERT_DECL(long, long, _sat)
> > -_CLC_CONVERT_DECL(ulong, ulong, _sat)
> > -#ifdef cl_khr_fp64
> > -_CLC_CONVERT_DECL(double, float, _sat)
> > -_CLC_CONVERT_DECL(double, double, _sat)
> > -#else
> > -_CLC_CONVERT_DECL(float, float, _sat)
> > -#endif
> > -
> >  #define _CLC_VECTOR_CONVERT_DECL(FROM_TYPE, TO_TYPE, SUFFIX) \
> > +  _CLC_CONVERT_DECL(FROM_TYPE, TO_TYPE, SUFFIX) \
> >    _CLC_CONVERT_DECL(FROM_TYPE##2, TO_TYPE##2, SUFFIX) \
> >    _CLC_CONVERT_DECL(FROM_TYPE##3, TO_TYPE##3, SUFFIX) \
> >    _CLC_CONVERT_DECL(FROM_TYPE##4, TO_TYPE##4, SUFFIX) \
> > diff --git a/generic/lib/convert.cl b/generic/lib/convert.cl
> > index d5a6f31..c2ac9be 100644
> > --- a/generic/lib/convert.cl
> > +++ b/generic/lib/convert.cl
> > @@ -30,21 +30,48 @@
> >      return (TO_TYPE##16)(convert_##TO_TYPE##8##SUFFIX(x.lo), convert_##TO_TYPE##8##SUFFIX(x.hi)); \
> >    }
> >
> > -CONVERT_ID(long, char, )
> > -CONVERT_ID(ulong, uchar, )
> > -CONVERT_ID(long, short, )
> > -CONVERT_ID(ulong, ushort, )
> > -CONVERT_ID(long, int, )
> > -CONVERT_ID(ulong, uint, )
> > -CONVERT_ID(long, long, )
> > -CONVERT_ID(ulong, ulong, )
> > +#define CONVERT_ID_FROM1(FROM_TYPE) \
> > +  CONVERT_ID(FROM_TYPE, char, ) \
> > +  CONVERT_ID(FROM_TYPE, uchar, ) \
> > +  CONVERT_ID(FROM_TYPE, int, ) \
> > +  CONVERT_ID(FROM_TYPE, uint, ) \
> > +  CONVERT_ID(FROM_TYPE, short, ) \
> > +  CONVERT_ID(FROM_TYPE, ushort, ) \
> > +  CONVERT_ID(FROM_TYPE, long, ) \
> > +  CONVERT_ID(FROM_TYPE, ulong, ) \
> > +  CONVERT_ID(FROM_TYPE, float, )
> > +
> >  #ifdef cl_khr_fp64
> > -CONVERT_ID(double, float, )
> > -CONVERT_ID(double, double, )
> > +#define CONVERT_ID_FROM(FROM_TYPE) \
> > +  CONVERT_ID_FROM1(FROM_TYPE) \
> > +  CONVERT_ID(FROM_TYPE, double, )
> >  #else
> > -CONVERT_ID(float, float, )
> > +#define CONVERT_ID_FROM(FROM_TYPE) \
> > +  CONVERT_ID_FROM1(FROM_TYPE)
> >  #endif
> >
> > +#define CONVERT_ID_TO1()
> > +  CONVERT_ID_FROM(char)
> > +  CONVERT_ID_FROM(uchar)
> > +  CONVERT_ID_FROM(int)
> > +  CONVERT_ID_FROM(uint)
> > +  CONVERT_ID_FROM(short)
> > +  CONVERT_ID_FROM(ushort)
> > +  CONVERT_ID_FROM(long)
> > +  CONVERT_ID_FROM(ulong)
> > +  CONVERT_ID_FROM(float)
> > +
> > +#ifdef cl_khr_fp64
> > +#define CONVERT_ID_TO() \
> > +  CONVERT_ID_TO1() \
> > +  CONVERT_ID_FROM(double)
> > +#else
> > +#define CONVERT_ID_TO() \
> > +  CONVERT_ID_TO1()
> > +#endif
> > +
> > +CONVERT_ID_TO()
> > +
> >  _CLC_OVERLOAD _CLC_DEF char convert_char_sat(long l) {
> >    return l > 127 ? 127 : l < -128 ? -128 : l;
> >  }
> > --
> > 1.7.11.4
> >
> >
> > _______________________________________________
> > Libclc-dev mailing list
> > Libclc-dev at pcc.me.uk
> > http://www.pcc.me.uk/cgi-bin/mailman/listinfo/libclc-dev




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