src/compiler/nir_types.h

   1 /*
   2  * Copyright © 2014 Connor Abbott
   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  *    Connor Abbott (cwabbott0@gmail.com)
  25  *
  26  */
  27
  28 #ifndef NIR_TYPES_H
  29 #define NIR_TYPES_H
  30
  31 #include <stdio.h>
  32 #include <stdbool.h>
  33
  34 /* C wrapper around compiler/glsl_types.h */
  35
  36 #include "glsl_types.h"
  37
  38 #ifdef __cplusplus
  39 extern "C" {
  40 #else
  41 struct glsl_type;
  42 #endif
  43
  44 const char *glsl_get_type_name(const struct glsl_type *type);
  45
  46 const struct glsl_type *glsl_get_struct_field(const struct glsl_type *type,
  47                                               unsigned index);
  48
  49 const struct glsl_type *glsl_get_array_element(const struct glsl_type *type);
  50 const struct glsl_type *glsl_without_array(const struct glsl_type *type);
  51 const struct glsl_type *glsl_get_array_instance(const struct glsl_type *type,
  52                                                 unsigned array_size);
  53
  54 const struct glsl_type *glsl_get_column_type(const struct glsl_type *type);
  55
  56 const struct glsl_type *
  57 glsl_get_function_return_type(const struct glsl_type *type);
  58
  59 const struct glsl_function_param *
  60 glsl_get_function_param(const struct glsl_type *type, unsigned index);
  61
  62 enum glsl_base_type glsl_get_base_type(const struct glsl_type *type);
  63
  64 unsigned glsl_get_vector_elements(const struct glsl_type *type);
  65
  66 unsigned glsl_get_components(const struct glsl_type *type);
  67
  68 unsigned glsl_get_matrix_columns(const struct glsl_type *type);
  69
  70 unsigned glsl_get_length(const struct glsl_type *type);
  71
  72 unsigned glsl_get_aoa_size(const struct glsl_type *type);
  73
  74 unsigned glsl_count_attribute_slots(const struct glsl_type *type,
  75                                     bool is_vertex_input);
  76 unsigned glsl_get_component_slots(const struct glsl_type *type);
  77
  78 const char *glsl_get_struct_elem_name(const struct glsl_type *type,
  79                                       unsigned index);
  80
  81 enum glsl_sampler_dim glsl_get_sampler_dim(const struct glsl_type *type);
  82 enum glsl_base_type glsl_get_sampler_result_type(const struct glsl_type *type);
  83 unsigned glsl_get_sampler_target(const struct glsl_type *type);
  84
  85 unsigned glsl_get_record_location_offset(const struct glsl_type *type,
  86                                          unsigned length);
  87
  88 static inline unsigned
  89 glsl_get_bit_size(const struct glsl_type *type)
  90 {
  91    switch (glsl_get_base_type(type)) {
  92    case GLSL_TYPE_INT:
  93    case GLSL_TYPE_UINT:
  94    case GLSL_TYPE_BOOL:
  95    case GLSL_TYPE_FLOAT: /* TODO handle mediump */
  96    case GLSL_TYPE_SUBROUTINE:
  97       return 32;
  98
  99    case GLSL_TYPE_FLOAT16:
 100    case GLSL_TYPE_UINT16:
 101    case GLSL_TYPE_INT16:
 102       return 16;
 103
 104    case GLSL_TYPE_UINT8:
 105    case GLSL_TYPE_INT8:
 106       return 8;
 107
 108    case GLSL_TYPE_DOUBLE:
 109    case GLSL_TYPE_INT64:
 110    case GLSL_TYPE_UINT64:
 111    case GLSL_TYPE_IMAGE:
 112    case GLSL_TYPE_SAMPLER:
 113       return 64;
 114
 115    default:
 116       unreachable("unknown base type");
 117    }
 118
 119    return 0;
 120 }
 121
 122 bool glsl_type_is_64bit(const struct glsl_type *type);
 123 bool glsl_type_is_void(const struct glsl_type *type);
 124 bool glsl_type_is_error(const struct glsl_type *type);
 125 bool glsl_type_is_vector(const struct glsl_type *type);
 126 bool glsl_type_is_scalar(const struct glsl_type *type);
 127 bool glsl_type_is_vector_or_scalar(const struct glsl_type *type);
 128 bool glsl_type_is_matrix(const struct glsl_type *type);
 129 bool glsl_type_is_array(const struct glsl_type *type);
 130 bool glsl_type_is_array_of_arrays(const struct glsl_type *type);
 131 bool glsl_type_is_struct(const struct glsl_type *type);
 132 bool glsl_type_is_sampler(const struct glsl_type *type);
 133 bool glsl_type_is_image(const struct glsl_type *type);
 134 bool glsl_type_is_dual_slot(const struct glsl_type *type);
 135 bool glsl_type_is_numeric(const struct glsl_type *type);
 136 bool glsl_type_is_boolean(const struct glsl_type *type);
 137 bool glsl_sampler_type_is_shadow(const struct glsl_type *type);
 138 bool glsl_sampler_type_is_array(const struct glsl_type *type);
 139
 140 const struct glsl_type *glsl_void_type(void);
 141 const struct glsl_type *glsl_float_type(void);
 142 const struct glsl_type *glsl_float16_t_type(void);
 143 const struct glsl_type *glsl_double_type(void);
 144 const struct glsl_type *glsl_vec_type(unsigned n);
 145 const struct glsl_type *glsl_dvec_type(unsigned n);
 146 const struct glsl_type *glsl_vec4_type(void);
 147 const struct glsl_type *glsl_uvec4_type(void);
 148 const struct glsl_type *glsl_int_type(void);
 149 const struct glsl_type *glsl_uint_type(void);
 150 const struct glsl_type *glsl_int64_t_type(void);
 151 const struct glsl_type *glsl_uint64_t_type(void);
 152 const struct glsl_type *glsl_int16_t_type(void);
 153 const struct glsl_type *glsl_uint16_t_type(void);
 154 const struct glsl_type *glsl_int8_t_type(void);
 155 const struct glsl_type *glsl_uint8_t_type(void);
 156 const struct glsl_type *glsl_bool_type(void);
 157
 158 const struct glsl_type *glsl_scalar_type(enum glsl_base_type base_type);
 159 const struct glsl_type *glsl_vector_type(enum glsl_base_type base_type,
 160                                          unsigned components);
 161 const struct glsl_type *glsl_matrix_type(enum glsl_base_type base_type,
 162                                          unsigned rows, unsigned columns);
 163 const struct glsl_type *glsl_array_type(const struct glsl_type *base,
 164                                         unsigned elements);
 165 const struct glsl_type *glsl_struct_type(const struct glsl_struct_field *fields,
 166                                          unsigned num_fields, const char *name);
 167 const struct glsl_type *glsl_interface_type(const struct glsl_struct_field *fields,
 168                                             unsigned num_fields,
 169                                             enum glsl_interface_packing packing,
 170                                             bool row_major,
 171                                             const char *block_name);
 172 const struct glsl_type *glsl_sampler_type(enum glsl_sampler_dim dim,
 173                                           bool is_shadow, bool is_array,
 174                                           enum glsl_base_type base_type);
 175 const struct glsl_type *glsl_bare_sampler_type();
 176 const struct glsl_type *glsl_image_type(enum glsl_sampler_dim dim,
 177                                         bool is_array,
 178                                         enum glsl_base_type base_type);
 179 const struct glsl_type * glsl_function_type(const struct glsl_type *return_type,
 180                                             const struct glsl_function_param *params,
 181                                             unsigned num_params);
 182
 183 const struct glsl_type *glsl_transposed_type(const struct glsl_type *type);
 184
 185 const struct glsl_type *glsl_channel_type(const struct glsl_type *type);
 186
 187 typedef void (*glsl_type_size_align_func)(const struct glsl_type *type,
 188                                           unsigned *size, unsigned *align);
 189
 190 void glsl_get_natural_size_align_bytes(const struct glsl_type *type,
 191                                        unsigned *size, unsigned *align);
 192
 193 #ifdef __cplusplus
 194 }
 195 #endif
 196
 197 #endif /* NIR_TYPES_H */