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c0c70cb392
while in the area. Signed-off-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com> Reviewed-by: Dylan Baker <dylan.c.baker@intel.com> Reviewed-by: Iago Toral Quiroga <itoral@igalia.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37448>
36 lines
1 KiB
C
36 lines
1 KiB
C
/*
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* Copyright © 2015 Red Hat
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* SPDX-License-Identifier: MIT
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*/
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#include "nir.h"
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#include "nir_builder.h"
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static bool
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lower(nir_builder *b, nir_intrinsic_instr *intr, void *data)
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{
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if (intr->intrinsic != nir_intrinsic_load_interpolated_input)
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return false;
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nir_io_semantics sem = nir_intrinsic_io_semantics(intr);
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if (!(BITFIELD64_BIT(sem.location) & VARYING_BITS_COLOR))
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return false;
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nir_intrinsic_instr *interp = nir_src_as_intrinsic(intr->src[0]);
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if (nir_intrinsic_interp_mode(interp) != INTERP_MODE_NONE)
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return false;
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b->cursor = nir_before_instr(&intr->instr);
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nir_def *load = nir_load_input(b, intr->num_components,
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intr->def.bit_size, intr->src[1].ssa);
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nir_intrinsic_copy_const_indices(nir_def_as_intrinsic(load), intr);
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nir_def_replace(&intr->def, load);
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return true;
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}
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bool
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nir_lower_flatshade(nir_shader *shader)
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{
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assert(shader->info.io_lowered);
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return nir_shader_intrinsics_pass(shader, lower, nir_metadata_all, NULL);
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}
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