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 #pragma once
  29
  30 #include <stdio.h>
  31 #include <stdbool.h>
  32
  33 /* C wrapper around compiler/glsl_types.h */
  34
  35 #include "glsl_types.h"
  36
  37 #ifdef __cplusplus
  38 extern "C" {
  39 #else
  40 struct glsl_type;
  41 #endif
  42
  43 void glsl_print_type(const struct glsl_type *type, FILE *fp);
  44 void glsl_print_struct(const struct glsl_type *type, FILE *fp);
  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
  51 const struct glsl_type *glsl_get_column_type(const struct glsl_type *type);
  52
  53 const struct glsl_type *
  54 glsl_get_function_return_type(const struct glsl_type *type);
  55
  56 const struct glsl_function_param *
  57 glsl_get_function_param(const struct glsl_type *type, unsigned index);
  58
  59 enum glsl_base_type glsl_get_base_type(const struct glsl_type *type);
  60
  61 unsigned glsl_get_vector_elements(const struct glsl_type *type);
  62
  63 unsigned glsl_get_components(const struct glsl_type *type);
  64
  65 unsigned glsl_get_matrix_columns(const struct glsl_type *type);
  66
  67 unsigned glsl_get_length(const struct glsl_type *type);
  68
  69 unsigned glsl_get_aoa_size(const struct glsl_type *type);
  70
  71 unsigned glsl_count_attribute_slots(const struct glsl_type *type,
  72                                     bool vertex_input_slots);
  73
  74 const char *glsl_get_struct_elem_name(const struct glsl_type *type,
  75                                       unsigned index);
  76
  77 enum glsl_sampler_dim glsl_get_sampler_dim(const struct glsl_type *type);
  78 enum glsl_base_type glsl_get_sampler_result_type(const struct glsl_type *type);
  79
  80 unsigned glsl_get_record_location_offset(const struct glsl_type *type,
  81                                          unsigned length);
  82
  83 static inline unsigned
  84 glsl_get_bit_size(enum glsl_base_type type)
  85 {
  86    switch (type) {
  87    case GLSL_TYPE_INT:
  88    case GLSL_TYPE_UINT:
  89    case GLSL_TYPE_BOOL:
  90    case GLSL_TYPE_FLOAT: /* TODO handle mediump */
  91    case GLSL_TYPE_SUBROUTINE:
  92       return 32;
  93
  94    case GLSL_TYPE_DOUBLE:
  95       return 64;
  96
  97    default:
  98       unreachable("unknown base type");
  99    }
 100
 101    return 0;
 102 }
 103
 104 bool glsl_type_is_void(const struct glsl_type *type);
 105 bool glsl_type_is_error(const struct glsl_type *type);
 106 bool glsl_type_is_vector(const struct glsl_type *type);
 107 bool glsl_type_is_scalar(const struct glsl_type *type);
 108 bool glsl_type_is_vector_or_scalar(const struct glsl_type *type);
 109 bool glsl_type_is_matrix(const struct glsl_type *type);
 110 bool glsl_type_is_array(const struct glsl_type *type);
 111 bool glsl_type_is_struct(const struct glsl_type *type);
 112 bool glsl_type_is_sampler(const struct glsl_type *type);
 113 bool glsl_type_is_image(const struct glsl_type *type);
 114 bool glsl_sampler_type_is_shadow(const struct glsl_type *type);
 115 bool glsl_sampler_type_is_array(const struct glsl_type *type);
 116
 117 const struct glsl_type *glsl_void_type(void);
 118 const struct glsl_type *glsl_float_type(void);
 119 const struct glsl_type *glsl_vec_type(unsigned n);
 120 const struct glsl_type *glsl_vec4_type(void);
 121 const struct glsl_type *glsl_int_type(void);
 122 const struct glsl_type *glsl_uint_type(void);
 123 const struct glsl_type *glsl_bool_type(void);
 124
 125 const struct glsl_type *glsl_scalar_type(enum glsl_base_type base_type);
 126 const struct glsl_type *glsl_vector_type(enum glsl_base_type base_type,
 127                                          unsigned components);
 128 const struct glsl_type *glsl_matrix_type(enum glsl_base_type base_type,
 129                                          unsigned rows, unsigned columns);
 130 const struct glsl_type *glsl_array_type(const struct glsl_type *base,
 131                                         unsigned elements);
 132 const struct glsl_type *glsl_struct_type(const struct glsl_struct_field *fields,
 133                                          unsigned num_fields, const char *name);
 134 const struct glsl_type *glsl_sampler_type(enum glsl_sampler_dim dim,
 135                                           bool is_shadow, bool is_array,
 136                                           enum glsl_base_type base_type);
 137 const struct glsl_type *glsl_bare_sampler_type();
 138 const struct glsl_type *glsl_image_type(enum glsl_sampler_dim dim,
 139                                         bool is_array,
 140                                         enum glsl_base_type base_type);
 141 const struct glsl_type * glsl_function_type(const struct glsl_type *return_type,
 142                                             const struct glsl_function_param *params,
 143                                             unsigned num_params);
 144
 145 const struct glsl_type *glsl_transposed_type(const struct glsl_type *type);
 146
 147 #ifdef __cplusplus
 148 }
 149 #endif