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nir+drivers: add helpers to get # of src/dest components

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Add helpers to get the number of src/dest components for an intrinsic,
and update spots that were open-coding this logic to use the helpers
instead.

Signed-off-by: Rob Clark <robdclark@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Rob Clark
2018-03-28 08:32:10 -04:00
parent 91f9450b32
commit 51888bf07d
6 changed files with 32 additions and 25 deletions
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11
src/intel/compiler/brw_fs_nir.cpp
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@@ -3821,6 +3821,7 @@ fs_visitor::nir_emit_intrinsic(const fs_builder &bld, nir_intrinsic_instr *instr
const unsigned arr_dims = type->sampler_array ? 1 : 0;
const unsigned surf_dims = type->coordinate_components() - arr_dims;
const unsigned format = var->data.image.format;
const unsigned dest_components = nir_intrinsic_dest_components(instr);
/* Get the arguments of the image intrinsic. */
const fs_reg image = get_nir_image_deref(instr->variables[0]);
@@ -3844,15 +3845,13 @@ fs_visitor::nir_emit_intrinsic(const fs_builder &bld, nir_intrinsic_instr *instr
else
tmp = emit_image_atomic(bld, image, addr, src0, src1,
surf_dims, arr_dims, info->dest_components,
surf_dims, arr_dims, dest_components,
get_image_atomic_op(instr->intrinsic, type));
/* Assign the result. */
if (nir_intrinsic_infos[instr->intrinsic].has_dest) {
for (unsigned c = 0; c < info->dest_components; ++c) {
bld.MOV(offset(retype(dest, base_type), bld, c),
offset(tmp, bld, c));
}
for (unsigned c = 0; c < dest_components; ++c) {
bld.MOV(offset(retype(dest, base_type), bld, c),
offset(tmp, bld, c));
}
break;
}