intel: Simplify the half-float packing in image load/store lowering.
This was noted by Jason in review when I tried to make a helper for the old path. Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
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@ -544,14 +544,8 @@ convert_color_for_store(nir_builder *b, const struct gen_device_info *devinfo,
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break;
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case ISL_SFLOAT:
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if (image.bits[0] == 16) {
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nir_ssa_def *f16comps[4];
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for (unsigned i = 0; i < image.chans; i++) {
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f16comps[i] = nir_pack_half_2x16_split(b, nir_channel(b, color, i),
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nir_imm_float(b, 0));
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}
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color = nir_vec(b, f16comps, image.chans);
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}
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if (image.bits[0] == 16)
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color = nir_pack_half_2x16_split(b, color, nir_imm_float(b, 0));
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break;
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case ISL_UINT:
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