1 /* 2 * Copyright 2015 Intel Corporation 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 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 */ 23 24 #include "anv_nir.h" 25 26 void 27 anv_nir_lower_push_constants(nir_shader *shader) 28 { 29 nir_foreach_function(function, shader) { 30 if (!function->impl) 31 continue; 32 33 nir_foreach_block(block, function->impl) { 34 nir_foreach_instr(instr, block) { 35 if (instr->type != nir_instr_type_intrinsic) 36 continue; 37 38 nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr); 39 40 /* TODO: Handle indirect push constants */ 41 if (intrin->intrinsic != nir_intrinsic_load_push_constant) 42 continue; 43 44 assert(intrin->const_index[0] % 4 == 0); 45 46 /* We just turn them into uniform loads */ 47 intrin->intrinsic = nir_intrinsic_load_uniform; 48 } 49 } 50 } 51 } 52