64 lines
2.5 KiB
C
64 lines
2.5 KiB
C
/*
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* Copyright © 2017 Intel 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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* 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 "anv_nir.h"
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#include "nir/nir_builder.h"
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#include "compiler/brw_compiler.h"
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static bool
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anv_nir_add_base_work_group_id_instr(nir_builder *b,
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nir_instr *instr,
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UNUSED void *cb_data)
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{
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if (instr->type != nir_instr_type_intrinsic)
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return false;
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nir_intrinsic_instr *load_id = nir_instr_as_intrinsic(instr);
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if (load_id->intrinsic != nir_intrinsic_load_workgroup_id)
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return false;
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b->cursor = nir_after_instr(&load_id->instr);
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nir_ssa_def *load_base =
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nir_load_push_constant(b, 3, 32, nir_imm_int(b, 0),
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.base = offsetof(struct anv_push_constants, cs.base_work_group_id),
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.range = 3 * sizeof(uint32_t));
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nir_ssa_def *id = nir_iadd(b, &load_id->dest.ssa, load_base);
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nir_ssa_def_rewrite_uses_after(&load_id->dest.ssa, id, id->parent_instr);
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return true;
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}
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bool
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anv_nir_add_base_work_group_id(nir_shader *shader)
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{
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assert(shader->info.stage == MESA_SHADER_COMPUTE);
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return nir_shader_instructions_pass(shader,
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anv_nir_add_base_work_group_id_instr,
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nir_metadata_block_index |
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nir_metadata_dominance,
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NULL);
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}
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