71 lines
2.3 KiB
C
71 lines
2.3 KiB
C
/*
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* Copyright 2019 Valve Corporation
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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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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the 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 NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
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* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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* USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "ac_shader_args.h"
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#include "nir/nir_builder.h"
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void ac_add_arg(struct ac_shader_args *info, enum ac_arg_regfile regfile, unsigned size,
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enum ac_arg_type type, struct ac_arg *arg)
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{
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assert(info->arg_count < AC_MAX_ARGS);
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unsigned offset;
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if (regfile == AC_ARG_SGPR) {
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offset = info->num_sgprs_used;
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info->num_sgprs_used += size;
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} else {
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assert(regfile == AC_ARG_VGPR);
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offset = info->num_vgprs_used;
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info->num_vgprs_used += size;
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}
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info->args[info->arg_count].file = regfile;
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info->args[info->arg_count].offset = offset;
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info->args[info->arg_count].size = size;
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info->args[info->arg_count].type = type;
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if (arg) {
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arg->arg_index = info->arg_count;
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arg->used = true;
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}
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info->arg_count++;
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}
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void ac_add_return(struct ac_shader_args *info, enum ac_arg_regfile regfile)
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{
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assert(info->return_count < AC_MAX_ARGS);
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if (regfile == AC_ARG_SGPR) {
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/* SGPRs must be inserted before VGPRs. */
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assert(info->num_vgprs_returned == 0);
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info->num_sgprs_returned++;;
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} else {
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assert(regfile == AC_ARG_VGPR);
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info->num_vgprs_returned++;
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}
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info->return_count++;
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}
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