1/* 2 * Copyright (C) 2015 Rob Clark <robclark@freedesktop.org> 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * Software. 14 * 15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 21 * SOFTWARE. 22 * 23 * Authors: 24 * Rob Clark <robclark@freedesktop.org> 25 */ 26 27#ifndef IR3_NIR_H_ 28#define IR3_NIR_H_ 29 30#include "compiler/nir/nir.h" 31#include "compiler/nir/nir_builder.h" 32#include "compiler/shader_enums.h" 33 34#include "ir3_shader.h" 35 36bool ir3_nir_apply_trig_workarounds(nir_shader *shader); 37bool ir3_nir_lower_imul(nir_shader *shader); 38bool ir3_nir_lower_io_offsets(nir_shader *shader); 39bool ir3_nir_lower_load_barycentric_at_sample(nir_shader *shader); 40bool ir3_nir_lower_load_barycentric_at_offset(nir_shader *shader); 41bool ir3_nir_move_varying_inputs(nir_shader *shader); 42int ir3_nir_coord_offset(nir_ssa_def *ssa); 43bool ir3_nir_lower_tex_prefetch(nir_shader *shader); 44bool ir3_nir_lower_wide_load_store(nir_shader *shader); 45 46void ir3_nir_lower_to_explicit_output(nir_shader *shader, 47 struct ir3_shader_variant *v, 48 unsigned topology); 49void ir3_nir_lower_to_explicit_input(nir_shader *shader, 50 struct ir3_shader_variant *v); 51void ir3_nir_lower_tess_ctrl(nir_shader *shader, struct ir3_shader_variant *v, 52 unsigned topology); 53void ir3_nir_lower_tess_eval(nir_shader *shader, struct ir3_shader_variant *v, 54 unsigned topology); 55void ir3_nir_lower_gs(nir_shader *shader); 56 57/* 58 * 64b related lowering: 59 */ 60bool ir3_nir_lower_64b_intrinsics(nir_shader *shader); 61bool ir3_nir_lower_64b_undef(nir_shader *shader); 62bool ir3_nir_lower_64b_global(nir_shader *shader); 63 64void ir3_optimize_loop(struct ir3_compiler *compiler, nir_shader *s); 65void ir3_nir_lower_io_to_temporaries(nir_shader *s); 66void ir3_finalize_nir(struct ir3_compiler *compiler, nir_shader *s); 67void ir3_nir_post_finalize(struct ir3_shader *shader); 68void ir3_nir_lower_variant(struct ir3_shader_variant *so, nir_shader *s); 69 70void ir3_setup_const_state(nir_shader *nir, struct ir3_shader_variant *v, 71 struct ir3_const_state *const_state); 72bool ir3_nir_lower_load_constant(nir_shader *nir, struct ir3_shader_variant *v); 73void ir3_nir_analyze_ubo_ranges(nir_shader *nir, struct ir3_shader_variant *v); 74bool ir3_nir_lower_ubo_loads(nir_shader *nir, struct ir3_shader_variant *v); 75bool ir3_nir_fixup_load_uniform(nir_shader *nir); 76bool ir3_nir_opt_preamble(nir_shader *nir, struct ir3_shader_variant *v); 77bool ir3_nir_lower_preamble(nir_shader *nir, struct ir3_shader_variant *v); 78 79nir_ssa_def *ir3_nir_try_propagate_bit_shift(nir_builder *b, 80 nir_ssa_def *offset, 81 int32_t shift); 82 83static inline nir_intrinsic_instr * 84ir3_bindless_resource(nir_src src) 85{ 86 if (!src.is_ssa) 87 return NULL; 88 89 if (src.ssa->parent_instr->type != nir_instr_type_intrinsic) 90 return NULL; 91 92 nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(src.ssa->parent_instr); 93 if (intrin->intrinsic != nir_intrinsic_bindless_resource_ir3) 94 return NULL; 95 96 return intrin; 97} 98 99static inline bool 100is_intrinsic_store(nir_intrinsic_op op) 101{ 102 switch (op) { 103 case nir_intrinsic_store_output: 104 case nir_intrinsic_store_scratch: 105 case nir_intrinsic_store_ssbo: 106 case nir_intrinsic_store_shared: 107 case nir_intrinsic_store_global: 108 case nir_intrinsic_store_global_ir3: 109 return true; 110 default: 111 return false; 112 } 113} 114 115static inline bool 116is_intrinsic_load(nir_intrinsic_op op) 117{ 118 switch (op) { 119 case nir_intrinsic_load_input: 120 case nir_intrinsic_load_scratch: 121 case nir_intrinsic_load_uniform: 122 case nir_intrinsic_load_ssbo: 123 case nir_intrinsic_load_ubo: 124 case nir_intrinsic_load_shared: 125 case nir_intrinsic_load_global: 126 case nir_intrinsic_load_global_ir3: 127 return true; 128 default: 129 return false; 130 } 131} 132 133#endif /* IR3_NIR_H_ */ 134