[Mesa-dev] [PATCH v3 18/24] mesa/format_pack: Add _mesa_pack_int_rgba_row()
Samuel Iglesias Gonsálvez
siglesias at igalia.com
Mon Dec 15 03:31:55 PST 2014
On Thursday, December 11, 2014 11:43:26 AM Jason Ekstrand wrote:
> On Tue, Dec 9, 2014 at 4:07 AM, Iago Toral Quiroga <itoral at igalia.com>
>
> wrote:
> > From: Samuel Iglesias Gonsalvez <siglesias at igalia.com>
> >
> > This will be used to unify code in pack.c.
> >
> > v2:
> > - Modify pack_int_*() function generator to use c.datatype() and
> >
> > f.datatype()
> >
> > Signed-off-by: Samuel Iglesias Gonsalvez <siglesias at igalia.com>
> > ---
> >
> > src/mesa/main/format_pack.h | 3 ++
> > src/mesa/main/format_pack.py | 121
> >
> > +++++++++++++++++++++++++++++++++++++++++++
> >
> > 2 files changed, 124 insertions(+)
> >
> > diff --git a/src/mesa/main/format_pack.h b/src/mesa/main/format_pack.h
> > index 1582ad1..6087fc3 100644
> > --- a/src/mesa/main/format_pack.h
> > +++ b/src/mesa/main/format_pack.h
> > @@ -68,6 +68,9 @@ extern gl_pack_ubyte_stencil_func
> >
> > _mesa_get_pack_ubyte_stencil_func(mesa_format format);
> >
> > +extern void
> > +_mesa_pack_int_rgba_row(mesa_format format, GLuint n,
> > + const GLint src[][4], void *dst);
> >
> > extern void
> > _mesa_pack_float_rgba_row(mesa_format format, GLuint n,
> >
> > diff --git a/src/mesa/main/format_pack.py b/src/mesa/main/format_pack.py
> > index afb5011..487dc39 100644
> > --- a/src/mesa/main/format_pack.py
> > +++ b/src/mesa/main/format_pack.py
> > @@ -213,6 +213,99 @@ pack_uint_${f.short_name()}(const GLuint src[4], void
> > *dst)
> >
> > }
> > %endfor
> >
> > +/* int packing functions */
> > +
> > +%for f in rgb_formats:
> > + %if f.name in ('MESA_FORMAT_R9G9B9E5_FLOAT',
> > 'MESA_FORMAT_R11G11B10_FLOAT'):
> > + <% continue %>
> > + %elif f.is_compressed():
> > + <% continue %>
> > + %endif
> > +
> > +static inline void
> > +pack_int_${f.short_name()}(const GLint src[4], void *dst)
> > +{
> > + %for (i, c) in enumerate(f.channels):
> > + <% i = f.swizzle.inverse()[i] %>
> > + %if c.type == 'x':
> > + <% continue %>
> > + %endif
> > +
> > + ${c.datatype()} ${c.name} =
> > + %if not f.is_normalized():
> > + %if c.type == parser.FLOAT and c.size == 32:
> > + INT_TO_FLOAT(src[${i}]);
> > + %elif c.type == parser.FLOAT and c.size == 16:
> > + _mesa_float_to_half(INT_TO_FLOAT(src[${i}]));
> > + %else:
> > + (${c.datatype()}) src[${i}];
> > + %endif
>
> > + %elif c.type == parser.UNSIGNED:
> Any particular reason we're even allowing normalized formats here? We
> don't in the unpack version.
>
No reason. I will update the patch.
Thanks,
Sam
> > + %if f.colorspace == 'srgb' and c.name in 'rgb':
> > + util_format_linear_to_srgb_8unorm(src[${i}]);
> > + %else:
> > + CLAMP(src[${i}], 0, MAX_UINT(${c.size}));
> > + %endif
> > + %elif c.type == parser.SIGNED:
> > + CLAMP(src[${i}], 0, MAX_UINT(${c.size}));
> > + %elif c.type == parser.FLOAT:
> > + %if c.size == 32:
> > + _mesa_snorm_to_float(src[${i}], 8);
> > + %elif c.size == 16:
> > + _mesa_snorm_to_half(src[${i}], 8);
> > + %else:
> > + <% assert False %>
> > + %endif
> > + %else:
> > + <% assert False %>
> > + %endif
> > + %endfor
> > +
> > + %if f.layout == parser.ARRAY:
> > + ${f.datatype()} *d = (${f.datatype()} *)dst;
> > + %for (i, c) in enumerate(f.channels):
> > + %if c.type == 'x':
> > + <% continue %>
> > + %endif
> > + d[${i}] = ${c.name};
> > + %endfor
> > + %elif f.layout == parser.PACKED:
> > + ${f.datatype()} d = 0;
> > + %for (i, c) in enumerate(f.channels):
> > + %if c.type == 'x':
> > + <% continue %>
> > + %endif
> > + d |= PACK(${c.name}, ${c.shift}, ${c.size});
> > + %endfor
> > + (*(${f.datatype()} *)dst) = d;
> > + %else:
> > + <% assert False %>
> > + %endif
> > +}
> > +%endfor
> > +
> > +static inline void
> > +pack_int_r9g9b9e5_float(const GLint src[4], void *dst)
> > +{
> > + GLuint *d = (GLuint *) dst;
> > + GLfloat rgb[3];
> > + rgb[0] = _mesa_snorm_to_float(src[RCOMP], 8);
> > + rgb[1] = _mesa_snorm_to_float(src[GCOMP], 8);
> > + rgb[2] = _mesa_snorm_to_float(src[BCOMP], 8);
> > + *d = float3_to_rgb9e5(rgb);
> > +}
> > +
> > +static inline void
> > +pack_int_r11g11b10_float(const GLint src[4], void *dst)
> > +{
> > + GLuint *d = (GLuint *) dst;
> > + GLfloat rgb[3];
> > + rgb[0] = _mesa_snorm_to_float(src[RCOMP], 8);
> > + rgb[1] = _mesa_snorm_to_float(src[GCOMP], 8);
> > + rgb[2] = _mesa_snorm_to_float(src[BCOMP], 8);
> > + *d = float3_to_r11g11b10f(rgb);
> > +}
> > +
> >
> > /* float packing functions */
> >
> > %for f in rgb_formats:
> > @@ -392,6 +485,34 @@ _mesa_pack_uint_rgba_row(mesa_format format, GLuint
> > n,
> >
> > }
> >
> > /**
> >
> > + * Pack a row of GLint rgba[4] values to the destination.
> > + */
> > +void
> > +_mesa_pack_int_rgba_row(mesa_format format, GLuint n,
> > + const GLint src[][4], void *dst)
> > +{
> > + GLuint i;
> > + GLubyte *d = dst;
> > +
> > + switch (format) {
> > +%for f in rgb_formats:
> > + %if f.is_compressed():
> > + <% continue %>
> > + %endif
> > +
> > + case ${f.name}:
> > + for (i = 0; i < n; ++i) {
> > + pack_int_${f.short_name()}(src[i], d);
> > + d += ${f.block_size() / 8};
> > + }
> > + break;
> > +%endfor
> > + default:
> > + assert(!"Invalid format");
> > + }
> > +}
> > +
> > +/**
> >
> > * Pack a row of GLfloat rgba[4] values to the destination.
> > */
> >
> > void
> >
> > --
> > 1.9.1
> >
> > _______________________________________________
> > mesa-dev mailing list
> > mesa-dev at lists.freedesktop.org
> > http://lists.freedesktop.org/mailman/listinfo/mesa-dev
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