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 int glsl_get_struct_field_offset(const struct glsl_type *type,
  50                                  unsigned index);
  51
  52 const struct glsl_struct_field *
  53 glsl_get_struct_field_data(const struct glsl_type *type, unsigned index);
  54
  55 unsigned glsl_get_explicit_stride(const struct glsl_type *type);
  56 const struct glsl_type *glsl_get_array_element(const struct glsl_type *type);
  57 const struct glsl_type *glsl_without_array(const struct glsl_type *type);
  58 const struct glsl_type *glsl_without_array_or_matrix(const struct glsl_type *type);
  59 const struct glsl_type *glsl_get_bare_type(const struct glsl_type *type);
  60
  61 const struct glsl_type *glsl_get_column_type(const struct glsl_type *type);
  62
  63 const struct glsl_type *
  64 glsl_get_function_return_type(const struct glsl_type *type);
  65
  66 const struct glsl_function_param *
  67 glsl_get_function_param(const struct glsl_type *type, unsigned index);
  68
  69 GLenum glsl_get_gl_type(const struct glsl_type *type);
  70
  71 enum glsl_base_type glsl_get_base_type(const struct glsl_type *type);
  72
  73 unsigned glsl_get_vector_elements(const struct glsl_type *type);
  74
  75 unsigned glsl_get_components(const struct glsl_type *type);
  76
  77 unsigned glsl_get_matrix_columns(const struct glsl_type *type);
  78
  79 unsigned glsl_get_length(const struct glsl_type *type);
  80
  81 unsigned glsl_get_aoa_size(const struct glsl_type *type);
  82
  83 unsigned glsl_count_attribute_slots(const struct glsl_type *type,
  84                                     bool is_gl_vertex_input);
  85 unsigned glsl_get_component_slots(const struct glsl_type *type);
  86 unsigned glsl_varying_count(const struct glsl_type *type);
  87
  88 const char *glsl_get_struct_elem_name(const struct glsl_type *type,
  89                                       unsigned index);
  90
  91 enum glsl_sampler_dim glsl_get_sampler_dim(const struct glsl_type *type);
  92 enum glsl_base_type glsl_get_sampler_result_type(const struct glsl_type *type);
  93 unsigned glsl_get_sampler_target(const struct glsl_type *type);
  94 int glsl_get_sampler_coordinate_components(const struct glsl_type *type);
  95
  96 unsigned glsl_get_struct_location_offset(const struct glsl_type *type,
  97                                          unsigned length);
  98
  99 unsigned glsl_atomic_size(const struct glsl_type *type);
 100
 101 static inline unsigned
 102 glsl_get_bit_size(const struct glsl_type *type)
 103 {
 104    switch (glsl_get_base_type(type)) {
 105    case GLSL_TYPE_BOOL:
 106       return 1;
 107
 108    case GLSL_TYPE_INT:
 109    case GLSL_TYPE_UINT:
 110    case GLSL_TYPE_FLOAT: /* TODO handle mediump */
 111    case GLSL_TYPE_SUBROUTINE:
 112       return 32;
 113
 114    case GLSL_TYPE_FLOAT16:
 115    case GLSL_TYPE_UINT16:
 116    case GLSL_TYPE_INT16:
 117       return 16;
 118
 119    case GLSL_TYPE_UINT8:
 120    case GLSL_TYPE_INT8:
 121       return 8;
 122
 123    case GLSL_TYPE_DOUBLE:
 124    case GLSL_TYPE_INT64:
 125    case GLSL_TYPE_UINT64:
 126    case GLSL_TYPE_IMAGE:
 127    case GLSL_TYPE_SAMPLER:
 128       return 64;
 129
 130    default:
 131       unreachable("unknown base type");
 132    }
 133
 134    return 0;
 135 }
 136
 137 bool glsl_type_is_16bit(const struct glsl_type *type);
 138 bool glsl_type_is_32bit(const struct glsl_type *type);
 139 bool glsl_type_is_64bit(const struct glsl_type *type);
 140 bool glsl_type_is_void(const struct glsl_type *type);
 141 bool glsl_type_is_error(const struct glsl_type *type);
 142 bool glsl_type_is_vector(const struct glsl_type *type);
 143 bool glsl_type_is_scalar(const struct glsl_type *type);
 144 bool glsl_type_is_vector_or_scalar(const struct glsl_type *type);
 145 bool glsl_type_is_matrix(const struct glsl_type *type);
 146 bool glsl_matrix_type_is_row_major(const struct glsl_type *type);
 147 bool glsl_type_is_array(const struct glsl_type *type);
 148 bool glsl_type_is_array_of_arrays(const struct glsl_type *type);
 149 bool glsl_type_is_array_or_matrix(const struct glsl_type *type);
 150 bool glsl_type_is_struct(const struct glsl_type *type);
 151 bool glsl_type_is_interface(const struct glsl_type *type);
 152 bool glsl_type_is_struct_or_ifc(const struct glsl_type *type);
 153 bool glsl_type_is_sampler(const struct glsl_type *type);
 154 bool glsl_type_is_image(const struct glsl_type *type);
 155 bool glsl_type_is_dual_slot(const struct glsl_type *type);
 156 bool glsl_type_is_numeric(const struct glsl_type *type);
 157 bool glsl_type_is_boolean(const struct glsl_type *type);
 158 bool glsl_type_is_integer(const struct glsl_type *type);
 159 bool glsl_type_contains_64bit(const struct glsl_type *type);
 160 bool glsl_sampler_type_is_shadow(const struct glsl_type *type);
 161 bool glsl_sampler_type_is_array(const struct glsl_type *type);
 162 bool glsl_contains_atomic(const struct glsl_type *type);
 163
 164 const struct glsl_type *glsl_void_type(void);
 165 const struct glsl_type *glsl_float_type(void);
 166 const struct glsl_type *glsl_float16_t_type(void);
 167 const struct glsl_type *glsl_double_type(void);
 168 const struct glsl_type *glsl_vec_type(unsigned n);
 169 const struct glsl_type *glsl_dvec_type(unsigned n);
 170 const struct glsl_type *glsl_vec4_type(void);
 171 const struct glsl_type *glsl_uvec4_type(void);
 172 const struct glsl_type *glsl_int_type(void);
 173 const struct glsl_type *glsl_uint_type(void);
 174 const struct glsl_type *glsl_int64_t_type(void);
 175 const struct glsl_type *glsl_uint64_t_type(void);
 176 const struct glsl_type *glsl_int16_t_type(void);
 177 const struct glsl_type *glsl_uint16_t_type(void);
 178 const struct glsl_type *glsl_int8_t_type(void);
 179 const struct glsl_type *glsl_uint8_t_type(void);
 180 const struct glsl_type *glsl_bool_type(void);
 181
 182 const struct glsl_type *glsl_scalar_type(enum glsl_base_type base_type);
 183 const struct glsl_type *glsl_vector_type(enum glsl_base_type base_type,
 184                                          unsigned components);
 185 const struct glsl_type *glsl_matrix_type(enum glsl_base_type base_type,
 186                                          unsigned rows, unsigned columns);
 187 const struct glsl_type *glsl_explicit_matrix_type(const struct glsl_type *mat,
 188                                                   unsigned stride,
 189                                                   bool row_major);
 190
 191 const struct glsl_type *glsl_array_type(const struct glsl_type *base,
 192                                         unsigned elements,
 193                                         unsigned explicit_stride);
 194
 195 const struct glsl_type *glsl_struct_type(const struct glsl_struct_field *fields,
 196                                          unsigned num_fields, const char *name);
 197 const struct glsl_type *glsl_interface_type(const struct glsl_struct_field *fields,
 198                                             unsigned num_fields,
 199                                             enum glsl_interface_packing packing,
 200                                             bool row_major,
 201                                             const char *block_name);
 202 const struct glsl_type *glsl_sampler_type(enum glsl_sampler_dim dim,
 203                                           bool is_shadow, bool is_array,
 204                                           enum glsl_base_type base_type);
 205 const struct glsl_type *glsl_bare_sampler_type();
 206 const struct glsl_type *glsl_image_type(enum glsl_sampler_dim dim,
 207                                         bool is_array,
 208                                         enum glsl_base_type base_type);
 209 const struct glsl_type * glsl_function_type(const struct glsl_type *return_type,
 210                                             const struct glsl_function_param *params,
 211                                             unsigned num_params);
 212
 213 const struct glsl_type *glsl_transposed_type(const struct glsl_type *type);
 214
 215 const struct glsl_type *glsl_channel_type(const struct glsl_type *type);
 216
 217 typedef void (*glsl_type_size_align_func)(const struct glsl_type *type,
 218                                           unsigned *size, unsigned *align);
 219
 220 void glsl_get_natural_size_align_bytes(const struct glsl_type *type,
 221                                        unsigned *size, unsigned *align);
 222
 223 const struct glsl_type *glsl_atomic_uint_type(void);
 224
 225 #ifdef __cplusplus
 226 }
 227 #endif
 228
 229 #endif /* NIR_TYPES_H */