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* Copyright © 2023 Valve Corporation
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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#include "nir_builder.h"
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#include "radv_private.h"
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radv_should_lower_poly_line_smooth(nir_shader *nir, const struct radv_pipeline_key *key)
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nir_function_impl *impl = nir_shader_get_entrypoint(nir);
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if (!key->ps.line_smooth_enabled && !key->dynamic_line_rast_mode)
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nir_foreach_block (block, impl) {
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nir_foreach_instr (instr, block) {
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if (instr->type != nir_instr_type_intrinsic)
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nir_intrinsic_instr *intr = nir_instr_as_intrinsic(instr);
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if (intr->intrinsic != nir_intrinsic_store_output)
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/* Line smooth lowering is only valid for vec4. */
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if (intr->num_components != 4)
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radv_nir_lower_poly_line_smooth(nir_shader *nir, const struct radv_pipeline_key *key)
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bool progress = false;
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if (!radv_should_lower_poly_line_smooth(nir, key))
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NIR_PASS(progress, nir, nir_lower_poly_line_smooth, RADV_NUM_SMOOTH_AA_SAMPLES);
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nir_shader_gather_info(nir, nir_shader_get_entrypoint(nir));