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unpack: support unpacking MESA_FORMAT_ARGB2101010

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Note: This is a candidate for the stable branches.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Ian Romanick <ian.d.romanick@intel.com>
(cherry picked from commit 2ace406b1f)
This commit is contained in:
Jordan Justen 2012-12-27 13:21:01 -08:00 • committed by Andreas Boll
parent 96c1678c3a
commit 2cde1e592e
1 changed files with 18 additions and 0 deletions
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18
src/mesa/main/format_unpack.c
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@ -2623,6 +2623,20 @@ unpack_int_rgba_ABGR2101010_UINT(const GLuint *src, GLuint dst[][4], GLuint n)
}
}
static void
unpack_int_rgba_ARGB2101010(const GLuint *src, GLuint dst[][4], GLuint n)
{
unsigned int i;
for (i = 0; i < n; i++) {
GLuint tmp = src[i];
dst[i][0] = (tmp >> 20) & 0x3ff;
dst[i][1] = (tmp >> 10) & 0x3ff;
dst[i][2] = (tmp >> 0) & 0x3ff;
dst[i][3] = (tmp >> 30) & 0x3;
}
}
void
_mesa_unpack_uint_rgba_row(gl_format format, GLuint n,
const void *src, GLuint dst[][4])
@ -2798,6 +2812,10 @@ _mesa_unpack_uint_rgba_row(gl_format format, GLuint n,
unpack_int_rgba_ABGR2101010_UINT(src, dst, n);
break;
case MESA_FORMAT_ARGB2101010:
unpack_int_rgba_ARGB2101010(src, dst, n);
break;
default:
_mesa_problem(NULL, "%s: bad format %s", __FUNCTION__,
_mesa_get_format_name(format));