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 "util/disk_cache.h" 32 #include "compiler/nir/nir.h" 33 #include "compiler/shader_info.h" 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 struct nir_spirv_specialization { 40 uint32_t id; 41 nir_const_value value; 42 bool defined_on_module; 43 }; 44 45 enum nir_spirv_debug_level { 46 NIR_SPIRV_DEBUG_LEVEL_INFO, 47 NIR_SPIRV_DEBUG_LEVEL_WARNING, 48 NIR_SPIRV_DEBUG_LEVEL_ERROR, 49 }; 50 51 enum nir_spirv_execution_environment { 52 NIR_SPIRV_VULKAN = 0, 53 NIR_SPIRV_OPENCL, 54 NIR_SPIRV_OPENGL, 55 }; 56 57 struct spirv_to_nir_options { 58 enum nir_spirv_execution_environment environment; 59 60 /* Whether to make FragCoord to a system value, the same as 61 * GLSLFragCoordIsSysVal in GLSL. 62 */ 63 bool frag_coord_is_sysval; 64 65 /* Whether to keep ViewIndex as an input instead of rewriting to a sysval. 66 */ 67 bool view_index_is_input; 68 69 /* Create a nir library. */ 70 bool create_library; 71 72 /* Whether to use nir_intrinsic_deref_buffer_array_length intrinsic instead 73 * of nir_intrinsic_get_ssbo_size to lower OpArrayLength. 74 */ 75 bool use_deref_buffer_array_length; 76 77 struct spirv_supported_capabilities caps; 78 79 /* Address format for various kinds of pointers. */ 80 nir_address_format ubo_addr_format; 81 nir_address_format ssbo_addr_format; 82 nir_address_format phys_ssbo_addr_format; 83 nir_address_format push_const_addr_format; 84 nir_address_format shared_addr_format; 85 nir_address_format global_addr_format; 86 nir_address_format temp_addr_format; 87 nir_address_format constant_addr_format; 88 89 const nir_shader *clc_shader; 90 91 struct { 92 void (*func)(void *private_data, 93 enum nir_spirv_debug_level level, 94 size_t spirv_offset, 95 const char *message); 96 void *private_data; 97 } debug; 98 }; 99 100 bool gl_spirv_validation(const uint32_t *words, size_t word_count, 101 struct nir_spirv_specialization *spec, unsigned num_spec, 102 gl_shader_stage stage, const char *entry_point_name); 103 104 nir_shader *spirv_to_nir(const uint32_t *words, size_t word_count, 105 struct nir_spirv_specialization *specializations, 106 unsigned num_specializations, 107 gl_shader_stage stage, const char *entry_point_name, 108 const struct spirv_to_nir_options *options, 109 const nir_shader_compiler_options *nir_options); 110 111 bool nir_can_find_libclc(unsigned ptr_bit_size); 112 113 nir_shader * 114 nir_load_libclc_shader(unsigned ptr_bit_size, 115 struct disk_cache *disk_cache, 116 const struct spirv_to_nir_options *spirv_options, 117 const nir_shader_compiler_options *nir_options); 118 119 bool nir_lower_libclc(nir_shader *shader, const nir_shader *clc_shader); 120 121 #ifdef __cplusplus 122 } 123 #endif 124 125 #endif /* _NIR_SPIRV_H_ */ 126