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
  52 const struct glsl_type *glsl_get_column_type(const struct glsl_type *type);
  53
  54 const struct glsl_type *
  55 glsl_get_function_return_type(const struct glsl_type *type);
  56
  57 const struct glsl_function_param *
  58 glsl_get_function_param(const struct glsl_type *type, unsigned index);
  59
  60 enum glsl_base_type glsl_get_base_type(const struct glsl_type *type);
  61
  62 unsigned glsl_get_vector_elements(const struct glsl_type *type);
  63
  64 unsigned glsl_get_components(const struct glsl_type *type);
  65
  66 unsigned glsl_get_matrix_columns(const struct glsl_type *type);
  67
  68 unsigned glsl_get_length(const struct glsl_type *type);
  69
  70 unsigned glsl_get_aoa_size(const struct glsl_type *type);
  71
  72 unsigned glsl_count_attribute_slots(const struct glsl_type *type,
  73                                     bool is_vertex_input);
  74
  75 const char *glsl_get_struct_elem_name(const struct glsl_type *type,
  76                                       unsigned index);
  77
  78 enum glsl_sampler_dim glsl_get_sampler_dim(const struct glsl_type *type);
  79 enum glsl_base_type glsl_get_sampler_result_type(const struct glsl_type *type);
  80
  81 unsigned glsl_get_record_location_offset(const struct glsl_type *type,
  82                                          unsigned length);
  83
  84 static inline unsigned
  85 glsl_get_bit_size(const struct glsl_type *type)
  86 {
  87    switch (glsl_get_base_type(type)) {
  88    case GLSL_TYPE_INT:
  89    case GLSL_TYPE_UINT:
  90    case GLSL_TYPE_BOOL:
  91    case GLSL_TYPE_FLOAT: /* TODO handle mediump */
  92    case GLSL_TYPE_SUBROUTINE:
  93       return 32;
  94
  95    case GLSL_TYPE_DOUBLE:
  96    case GLSL_TYPE_INT64:
  97    case GLSL_TYPE_UINT64:
  98       return 64;
  99
 100    default:
 101       unreachable("unknown base type");
 102    }
 103
 104    return 0;
 105 }
 106
 107 bool glsl_type_is_void(const struct glsl_type *type);
 108 bool glsl_type_is_error(const struct glsl_type *type);
 109 bool glsl_type_is_vector(const struct glsl_type *type);
 110 bool glsl_type_is_scalar(const struct glsl_type *type);
 111 bool glsl_type_is_vector_or_scalar(const struct glsl_type *type);
 112 bool glsl_type_is_matrix(const struct glsl_type *type);
 113 bool glsl_type_is_array(const struct glsl_type *type);
 114 bool glsl_type_is_array_of_arrays(const struct glsl_type *type);
 115 bool glsl_type_is_struct(const struct glsl_type *type);
 116 bool glsl_type_is_sampler(const struct glsl_type *type);
 117 bool glsl_type_is_image(const struct glsl_type *type);
 118 bool glsl_type_is_dual_slot(const struct glsl_type *type);
 119 bool glsl_type_is_numeric(const struct glsl_type *type);
 120 bool glsl_type_is_boolean(const struct glsl_type *type);
 121 bool glsl_sampler_type_is_shadow(const struct glsl_type *type);
 122 bool glsl_sampler_type_is_array(const struct glsl_type *type);
 123
 124 const struct glsl_type *glsl_void_type(void);
 125 const struct glsl_type *glsl_float_type(void);
 126 const struct glsl_type *glsl_double_type(void);
 127 const struct glsl_type *glsl_vec_type(unsigned n);
 128 const struct glsl_type *glsl_dvec_type(unsigned n);
 129 const struct glsl_type *glsl_vec4_type(void);
 130 const struct glsl_type *glsl_int_type(void);
 131 const struct glsl_type *glsl_uint_type(void);
 132 const struct glsl_type *glsl_int64_t_type(void);
 133 const struct glsl_type *glsl_uint64_t_type(void);
 134 const struct glsl_type *glsl_bool_type(void);
 135
 136 const struct glsl_type *glsl_scalar_type(enum glsl_base_type base_type);
 137 const struct glsl_type *glsl_vector_type(enum glsl_base_type base_type,
 138                                          unsigned components);
 139 const struct glsl_type *glsl_matrix_type(enum glsl_base_type base_type,
 140                                          unsigned rows, unsigned columns);
 141 const struct glsl_type *glsl_array_type(const struct glsl_type *base,
 142                                         unsigned elements);
 143 const struct glsl_type *glsl_struct_type(const struct glsl_struct_field *fields,
 144                                          unsigned num_fields, const char *name);
 145 const struct glsl_type *glsl_interface_type(const struct glsl_struct_field *fields,
 146                                             unsigned num_fields,
 147                                             enum glsl_interface_packing packing,
 148                                             bool row_major,
 149                                             const char *block_name);
 150 const struct glsl_type *glsl_sampler_type(enum glsl_sampler_dim dim,
 151                                           bool is_shadow, bool is_array,
 152                                           enum glsl_base_type base_type);
 153 const struct glsl_type *glsl_bare_sampler_type();
 154 const struct glsl_type *glsl_image_type(enum glsl_sampler_dim dim,
 155                                         bool is_array,
 156                                         enum glsl_base_type base_type);
 157 const struct glsl_type * glsl_function_type(const struct glsl_type *return_type,
 158                                             const struct glsl_function_param *params,
 159                                             unsigned num_params);
 160
 161 const struct glsl_type *glsl_transposed_type(const struct glsl_type *type);
 162
 163 #ifdef __cplusplus
 164 }
 165 #endif
 166
 167 #endif /* NIR_TYPES_H */