15297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke/* 25297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * Copyright © 2016 Intel Corporation 35297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * 45297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * Permission is hereby granted, free of charge, to any person obtaining a 55297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * copy of this software and associated documentation files (the "Software"), 65297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * to deal in the Software without restriction, including without limitation 75297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * the rights to use, copy, modify, merge, publish, distribute, sublicense, 85297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * and/or sell copies of the Software, and to permit persons to whom the 95297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * Software is furnished to do so, subject to the following conditions: 105297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * 115297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * The above copyright notice and this permission notice (including the next 125297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * paragraph) shall be included in all copies or substantial portions of the 135297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * Software. 145297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * 155297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 165297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 175297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 185297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 195297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 205297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 215297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke * IN THE SOFTWARE. 225297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke */ 235297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke 245297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke#include "nir_builder.h" 255297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke 265297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunkevoid 275297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunkenir_lower_tes_patch_vertices(nir_shader *tes_nir, unsigned patch_vertices) 285297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke{ 295297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke nir_foreach_function(function, tes_nir) { 305297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke if (function->impl) { 315297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke nir_foreach_block(block, function->impl) { 325297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke nir_builder b; 335297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke nir_builder_init(&b, function->impl); 345297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke nir_foreach_instr_safe(instr, block) { 355297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke if (instr->type == nir_instr_type_intrinsic) { 365297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke nir_intrinsic_instr *intr = nir_instr_as_intrinsic(instr); 375297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke if (intr->intrinsic != nir_intrinsic_load_patch_vertices_in) 385297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke continue; 395297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke 405297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke b.cursor = nir_before_instr(&intr->instr); 415297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke nir_ssa_def *val = nir_imm_int(&b, patch_vertices); 425297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke nir_ssa_def_rewrite_uses(&intr->dest.ssa, 435297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke nir_src_for_ssa(val)); 445297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke nir_instr_remove(instr); 455297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke } 465297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke } 475297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke } 485297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke 495297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke nir_metadata_preserve(function->impl, nir_metadata_block_index | 505297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke nir_metadata_dominance); 515297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke } 525297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke } 535297267a1c78d21486fbe8c2a584f53c4147c950Kenneth Graunke} 54