1 /* 2 * Copyright © 2018 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 21 * DEALINGS IN THE SOFTWARE. 22 */ 23 24 #ifndef GLSL_LINKER_UTIL_H 25 #define GLSL_LINKER_UTIL_H 26 27 #include "util/bitset.h" 28 #include "compiler/glsl/list.h" 29 30 struct gl_constants; 31 struct gl_shader_program; 32 struct gl_uniform_storage; 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 /** 39 * Sometimes there are empty slots left over in UniformRemapTable after we 40 * allocate slots to explicit locations. This struct represents a single 41 * continouous block of empty slots in UniformRemapTable. 42 */ 43 struct empty_uniform_block { 44 struct exec_node link; 45 /* The start location of the block */ 46 unsigned start; 47 /* The number of slots in the block */ 48 unsigned slots; 49 }; 50 51 /** 52 * Describes an access of an array element or an access of the whole array 53 */ 54 struct array_deref_range { 55 /** 56 * Index that was accessed. 57 * 58 * All valid array indices are less than the size of the array. If index 59 * is equal to the size of the array, this means the entire array has been 60 * accessed (e.g., due to use of a non-constant index). 61 */ 62 unsigned index; 63 64 /** Size of the array. Used for offset calculations. */ 65 unsigned size; 66 }; 67 68 void 69 linker_error(struct gl_shader_program *prog, const char *fmt, ...); 70 71 void 72 linker_warning(struct gl_shader_program *prog, const char *fmt, ...); 73 74 long 75 link_util_parse_program_resource_name(const GLchar *name, const size_t len, 76 const GLchar **out_base_name_end); 77 78 bool 79 link_util_should_add_buffer_variable(struct gl_shader_program *prog, 80 struct gl_uniform_storage *uniform, 81 int top_level_array_base_offset, 82 int top_level_array_size_in_bytes, 83 int second_element_offset, 84 int block_index); 85 86 bool 87 link_util_add_program_resource(struct gl_shader_program *prog, 88 struct set *resource_set, 89 GLenum type, const void *data, uint8_t stages); 90 91 int 92 link_util_find_empty_block(struct gl_shader_program *prog, 93 struct gl_uniform_storage *uniform); 94 95 void 96 link_util_update_empty_uniform_locations(struct gl_shader_program *prog); 97 98 void 99 link_util_check_subroutine_resources(struct gl_shader_program *prog); 100 101 void 102 link_util_check_uniform_resources(const struct gl_constants *consts, 103 struct gl_shader_program *prog); 104 105 void 106 link_util_calculate_subroutine_compat(struct gl_shader_program *prog); 107 108 void 109 link_util_mark_array_elements_referenced(const struct array_deref_range *dr, 110 unsigned count, unsigned array_depth, 111 BITSET_WORD *bits); 112 113 #ifdef __cplusplus 114 } 115 #endif 116 117 #endif /* GLSL_LINKER_UTIL_H */ 118