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fcb107accb
On asahi, we can still specialize based on the shader key and get everything folded. But this gives drivers the option to make it dynamic if they wish. Co-authored-by: Mary Guillemard <mary.guillemard@collabora.com> Acked-by: Alyssa Rosenzweig <alyssa.rosenzweig@intel.com> Reviewed-by: Mary Guillemard <mary@mary.zone> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/38404>
38 lines
989 B
C
38 lines
989 B
C
/*
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* Copyright 2023 Valve Corporation
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* SPDX-License-Identifier: MIT
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*/
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#include "nir_builder.h"
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#include "poly/cl/libpoly.h"
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#include "poly/nir/poly_nir.h"
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static bool
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lower_sysvals_intr(nir_builder *b, nir_intrinsic_instr *intr, void *data)
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{
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switch (intr->intrinsic) {
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case nir_intrinsic_load_index_size_poly: {
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b->cursor = nir_before_instr(&intr->instr);
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nir_def *vp = nir_load_vertex_param_buffer_poly(b);
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nir_def_replace(&intr->def, poly_index_size(b, vp));
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return true;
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}
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case nir_intrinsic_load_vs_outputs_poly: {
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b->cursor = nir_before_instr(&intr->instr);
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nir_def *vp = nir_load_vertex_param_buffer_poly(b);
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nir_def_replace(&intr->def, poly_vertex_outputs(b, vp));
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return true;
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}
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default:
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return false;
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}
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}
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bool
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poly_nir_lower_sysvals(struct nir_shader *nir)
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{
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return nir_shader_intrinsics_pass(nir, lower_sysvals_intr,
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nir_metadata_control_flow, NULL);
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}
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