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_INVALID = -1, 47 NIR_SPIRV_DEBUG_LEVEL_INFO, 48 NIR_SPIRV_DEBUG_LEVEL_WARNING, 49 NIR_SPIRV_DEBUG_LEVEL_ERROR, 50 }; 51 52 enum nir_spirv_execution_environment { 53 NIR_SPIRV_VULKAN = 0, 54 NIR_SPIRV_OPENCL, 55 NIR_SPIRV_OPENGL, 56 }; 57 58 struct spirv_to_nir_options { 59 enum nir_spirv_execution_environment environment; 60 61 /* Whether to keep ViewIndex as an input instead of rewriting to a sysval. 62 */ 63 bool view_index_is_input; 64 65 /* Create a nir library. */ 66 bool create_library; 67 68 /* Whether to use nir_intrinsic_deref_buffer_array_length intrinsic instead 69 * of nir_intrinsic_get_ssbo_size to lower OpArrayLength. 70 */ 71 bool use_deref_buffer_array_length; 72 73 /* Initial value for shader_info::float_controls_execution_mode, 74 * indicates hardware requirements rather than shader author intent 75 */ 76 uint16_t float_controls_execution_mode; 77 78 /* Initial subgroup size. This may be overwritten for CL kernels */ 79 enum gl_subgroup_size subgroup_size; 80 81 /* True if RelaxedPrecision-decorated ALU result values should be performed 82 * with 16-bit math. 83 */ 84 bool mediump_16bit_alu; 85 86 /* When mediump_16bit_alu is set, determines whether nir_op_fddx/fddy can be 87 * performed in 16-bit math. 88 */ 89 bool mediump_16bit_derivatives; 90 91 struct spirv_supported_capabilities caps; 92 93 /* Address format for various kinds of pointers. */ 94 nir_address_format ubo_addr_format; 95 nir_address_format ssbo_addr_format; 96 nir_address_format phys_ssbo_addr_format; 97 nir_address_format push_const_addr_format; 98 nir_address_format shared_addr_format; 99 nir_address_format task_payload_addr_format; 100 nir_address_format global_addr_format; 101 nir_address_format temp_addr_format; 102 nir_address_format constant_addr_format; 103 104 const nir_shader *clc_shader; 105 106 struct { 107 void (*func)(void *private_data, 108 enum nir_spirv_debug_level level, 109 size_t spirv_offset, 110 const char *message); 111 void *private_data; 112 } debug; 113 }; 114 115 bool gl_spirv_validation(const uint32_t *words, size_t word_count, 116 struct nir_spirv_specialization *spec, unsigned num_spec, 117 gl_shader_stage stage, const char *entry_point_name); 118 119 nir_shader *spirv_to_nir(const uint32_t *words, size_t word_count, 120 struct nir_spirv_specialization *specializations, 121 unsigned num_specializations, 122 gl_shader_stage stage, const char *entry_point_name, 123 const struct spirv_to_nir_options *options, 124 const nir_shader_compiler_options *nir_options); 125 126 bool nir_can_find_libclc(unsigned ptr_bit_size); 127 128 nir_shader * 129 nir_load_libclc_shader(unsigned ptr_bit_size, 130 struct disk_cache *disk_cache, 131 const struct spirv_to_nir_options *spirv_options, 132 const nir_shader_compiler_options *nir_options); 133 134 bool nir_lower_libclc(nir_shader *shader, const nir_shader *clc_shader); 135 136 #ifdef __cplusplus 137 } 138 #endif 139 140 #endif /* _NIR_SPIRV_H_ */ 141