On Tue, Dec 15, 2015 at 6:05 PM, Miklós Máté <mtm...@gmail.com> wrote:
> + } else if (desc->special == 3) {
> + src[0] = args[0];
> + src[1] = args[1];
> + src[2] = ureg_swizzle(args[2],
> + TGSI_SWIZZLE_Z, TGSI_SWIZZLE_Z, TGSI_SWIZZLE_Z, TGSI_SWIZZLE_Z);
> + emit_insn(t, TGSI_OPCODE_DP2A, dst, 1, src, 3);
> + }
Not strictly your fault, but in practice, no backends actually
implement DP2A. Not sure why -- i915, nv30, and r300 even have
explicit ops for this. You can use DP2 + ADD. Or go around all the
backends an implement it.
-ilia
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