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 * Authors: 24 * Jason Ekstrand (jason@jlekstrand.net) 25 * 26 */ 27 28 #ifndef _NIR_SPIRV_H_ 29 #define _NIR_SPIRV_H_ 30 31 #include "compiler/nir/nir.h" 32 #include "compiler/shader_info.h" 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 struct nir_spirv_specialization { 39 uint32_t id; 40 union { 41 uint32_t data32; 42 uint64_t data64; 43 }; 44 }; 45 46 enum nir_spirv_debug_level { 47 NIR_SPIRV_DEBUG_LEVEL_INFO, 48 NIR_SPIRV_DEBUG_LEVEL_WARNING, 49 NIR_SPIRV_DEBUG_LEVEL_ERROR, 50 }; 51 52 struct spirv_to_nir_options { 53 /* Whether or not to lower all workgroup variable access to offsets 54 * up-front. This means you will _shared intrinsics instead of _var 55 * for workgroup data access. 56 * 57 * This is currently required for full variable pointers support. 58 */ 59 bool lower_workgroup_access_to_offsets; 60 61 struct spirv_supported_capabilities caps; 62 63 struct { 64 void (*func)(void *private_data, 65 enum nir_spirv_debug_level level, 66 size_t spirv_offset, 67 const char *message); 68 void *private_data; 69 } debug; 70 }; 71 72 nir_function *spirv_to_nir(const uint32_t *words, size_t word_count, 73 struct nir_spirv_specialization *specializations, 74 unsigned num_specializations, 75 gl_shader_stage stage, const char *entry_point_name, 76 const struct spirv_to_nir_options *options, 77 const nir_shader_compiler_options *nir_options); 78 79 #ifdef __cplusplus 80 } 81 #endif 82 83 #endif /* _NIR_SPIRV_H_ */ 84