62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
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/*
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* Copyright © 2017 Red Hat
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*
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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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*
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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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* Software.
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*
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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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* IN THE SOFTWARE.
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*/
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#include "nir.h"
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#include "ac_shader_info.h"
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#include "ac_nir_to_llvm.h"
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static void
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gather_intrinsic_info(nir_intrinsic_instr *instr, struct ac_shader_info *info)
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{
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switch (instr->intrinsic) {
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case nir_intrinsic_interp_var_at_sample:
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info->ps.needs_sample_positions = true;
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break;
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default:
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break;
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}
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}
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static void
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gather_info_block(nir_block *block, struct ac_shader_info *info)
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{
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nir_foreach_instr(instr, block) {
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switch (instr->type) {
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case nir_instr_type_intrinsic:
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gather_intrinsic_info(nir_instr_as_intrinsic(instr), info);
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break;
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default:
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break;
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}
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}
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}
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void
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ac_nir_shader_info_pass(struct nir_shader *nir,
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const struct ac_nir_compiler_options *options,
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struct ac_shader_info *info)
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{
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struct nir_function *func = (struct nir_function *)exec_list_get_head(&nir->functions);
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nir_foreach_block(block, func->impl) {
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gather_info_block(block, info);
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}
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}
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