1 /** 2 This code is based on the glslang_c_interface implementation by Viktor Latypov 3 **/ 4 5 /** 6 BSD 2-Clause License 7 8 Copyright (c) 2019, Viktor Latypov 9 All rights reserved. 10 11 Redistribution and use in source and binary forms, with or without 12 modification, are permitted provided that the following conditions are met: 13 14 1. Redistributions of source code must retain the above copyright notice, this 15 list of conditions and the following disclaimer. 16 17 2. Redistributions in binary form must reproduce the above copyright notice, 18 this list of conditions and the following disclaimer in the documentation 19 and/or other materials provided with the distribution. 20 21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 22 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 24 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 25 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 27 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 28 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 30 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 **/ 32 33 #ifndef GLSLANG_C_IFACE_H_INCLUDED 34 #define GLSLANG_C_IFACE_H_INCLUDED 35 36 #include <stdbool.h> 37 #include <stdlib.h> 38 39 #include "glslang_c_shader_types.h" 40 41 typedef struct glslang_shader_s glslang_shader_t; 42 typedef struct glslang_program_s glslang_program_t; 43 44 /* TLimits counterpart */ 45 typedef struct glslang_limits_s { 46 bool non_inductive_for_loops; 47 bool while_loops; 48 bool do_while_loops; 49 bool general_uniform_indexing; 50 bool general_attribute_matrix_vector_indexing; 51 bool general_varying_indexing; 52 bool general_sampler_indexing; 53 bool general_variable_indexing; 54 bool general_constant_matrix_vector_indexing; 55 } glslang_limits_t; 56 57 /* TBuiltInResource counterpart */ 58 typedef struct glslang_resource_s { 59 int max_lights; 60 int max_clip_planes; 61 int max_texture_units; 62 int max_texture_coords; 63 int max_vertex_attribs; 64 int max_vertex_uniform_components; 65 int max_varying_floats; 66 int max_vertex_texture_image_units; 67 int max_combined_texture_image_units; 68 int max_texture_image_units; 69 int max_fragment_uniform_components; 70 int max_draw_buffers; 71 int max_vertex_uniform_vectors; 72 int max_varying_vectors; 73 int max_fragment_uniform_vectors; 74 int max_vertex_output_vectors; 75 int max_fragment_input_vectors; 76 int min_program_texel_offset; 77 int max_program_texel_offset; 78 int max_clip_distances; 79 int max_compute_work_group_count_x; 80 int max_compute_work_group_count_y; 81 int max_compute_work_group_count_z; 82 int max_compute_work_group_size_x; 83 int max_compute_work_group_size_y; 84 int max_compute_work_group_size_z; 85 int max_compute_uniform_components; 86 int max_compute_texture_image_units; 87 int max_compute_image_uniforms; 88 int max_compute_atomic_counters; 89 int max_compute_atomic_counter_buffers; 90 int max_varying_components; 91 int max_vertex_output_components; 92 int max_geometry_input_components; 93 int max_geometry_output_components; 94 int max_fragment_input_components; 95 int max_image_units; 96 int max_combined_image_units_and_fragment_outputs; 97 int max_combined_shader_output_resources; 98 int max_image_samples; 99 int max_vertex_image_uniforms; 100 int max_tess_control_image_uniforms; 101 int max_tess_evaluation_image_uniforms; 102 int max_geometry_image_uniforms; 103 int max_fragment_image_uniforms; 104 int max_combined_image_uniforms; 105 int max_geometry_texture_image_units; 106 int max_geometry_output_vertices; 107 int max_geometry_total_output_components; 108 int max_geometry_uniform_components; 109 int max_geometry_varying_components; 110 int max_tess_control_input_components; 111 int max_tess_control_output_components; 112 int max_tess_control_texture_image_units; 113 int max_tess_control_uniform_components; 114 int max_tess_control_total_output_components; 115 int max_tess_evaluation_input_components; 116 int max_tess_evaluation_output_components; 117 int max_tess_evaluation_texture_image_units; 118 int max_tess_evaluation_uniform_components; 119 int max_tess_patch_components; 120 int max_patch_vertices; 121 int max_tess_gen_level; 122 int max_viewports; 123 int max_vertex_atomic_counters; 124 int max_tess_control_atomic_counters; 125 int max_tess_evaluation_atomic_counters; 126 int max_geometry_atomic_counters; 127 int max_fragment_atomic_counters; 128 int max_combined_atomic_counters; 129 int max_atomic_counter_bindings; 130 int max_vertex_atomic_counter_buffers; 131 int max_tess_control_atomic_counter_buffers; 132 int max_tess_evaluation_atomic_counter_buffers; 133 int max_geometry_atomic_counter_buffers; 134 int max_fragment_atomic_counter_buffers; 135 int max_combined_atomic_counter_buffers; 136 int max_atomic_counter_buffer_size; 137 int max_transform_feedback_buffers; 138 int max_transform_feedback_interleaved_components; 139 int max_cull_distances; 140 int max_combined_clip_and_cull_distances; 141 int max_samples; 142 int max_mesh_output_vertices_nv; 143 int max_mesh_output_primitives_nv; 144 int max_mesh_work_group_size_x_nv; 145 int max_mesh_work_group_size_y_nv; 146 int max_mesh_work_group_size_z_nv; 147 int max_task_work_group_size_x_nv; 148 int max_task_work_group_size_y_nv; 149 int max_task_work_group_size_z_nv; 150 int max_mesh_view_count_nv; 151 int max_mesh_output_vertices_ext; 152 int max_mesh_output_primitives_ext; 153 int max_mesh_work_group_size_x_ext; 154 int max_mesh_work_group_size_y_ext; 155 int max_mesh_work_group_size_z_ext; 156 int max_task_work_group_size_x_ext; 157 int max_task_work_group_size_y_ext; 158 int max_task_work_group_size_z_ext; 159 int max_mesh_view_count_ext; 160 int maxDualSourceDrawBuffersEXT; 161 162 glslang_limits_t limits; 163 } glslang_resource_t; 164 165 typedef struct glslang_input_s { 166 glslang_source_t language; 167 glslang_stage_t stage; 168 glslang_client_t client; 169 glslang_target_client_version_t client_version; 170 glslang_target_language_t target_language; 171 glslang_target_language_version_t target_language_version; 172 /** Shader source code */ 173 const char* code; 174 int default_version; 175 glslang_profile_t default_profile; 176 int force_default_version_and_profile; 177 int forward_compatible; 178 glslang_messages_t messages; 179 const glslang_resource_t* resource; 180 } glslang_input_t; 181 182 /* Inclusion result structure allocated by C include_local/include_system callbacks */ 183 typedef struct glsl_include_result_s { 184 /* Header file name or NULL if inclusion failed */ 185 const char* header_name; 186 187 /* Header contents or NULL */ 188 const char* header_data; 189 size_t header_length; 190 191 } glsl_include_result_t; 192 193 /* Callback for local file inclusion */ 194 typedef glsl_include_result_t* (*glsl_include_local_func)(void* ctx, const char* header_name, const char* includer_name, 195 size_t include_depth); 196 197 /* Callback for system file inclusion */ 198 typedef glsl_include_result_t* (*glsl_include_system_func)(void* ctx, const char* header_name, 199 const char* includer_name, size_t include_depth); 200 201 /* Callback for include result destruction */ 202 typedef int (*glsl_free_include_result_func)(void* ctx, glsl_include_result_t* result); 203 204 /* Collection of callbacks for GLSL preprocessor */ 205 typedef struct glsl_include_callbacks_s { 206 glsl_include_system_func include_system; 207 glsl_include_local_func include_local; 208 glsl_free_include_result_func free_include_result; 209 } glsl_include_callbacks_t; 210 211 /* SpvOptions counterpart */ 212 typedef struct glslang_spv_options_s { 213 bool generate_debug_info; 214 bool strip_debug_info; 215 bool disable_optimizer; 216 bool optimize_size; 217 bool disassemble; 218 bool validate; 219 bool emit_nonsemantic_shader_debug_info; 220 bool emit_nonsemantic_shader_debug_source; 221 } glslang_spv_options_t; 222 223 #ifdef __cplusplus 224 extern "C" { 225 #endif 226 227 #ifdef GLSLANG_IS_SHARED_LIBRARY 228 #ifdef _WIN32 229 #ifdef GLSLANG_EXPORTING 230 #define GLSLANG_EXPORT __declspec(dllexport) 231 #else 232 #define GLSLANG_EXPORT __declspec(dllimport) 233 #endif 234 #elif __GNUC__ >= 4 235 #define GLSLANG_EXPORT __attribute__((visibility("default"))) 236 #endif 237 #endif // GLSLANG_IS_SHARED_LIBRARY 238 239 #ifndef GLSLANG_EXPORT 240 #define GLSLANG_EXPORT 241 #endif 242 243 GLSLANG_EXPORT int glslang_initialize_process(); 244 GLSLANG_EXPORT void glslang_finalize_process(); 245 246 GLSLANG_EXPORT glslang_shader_t* glslang_shader_create(const glslang_input_t* input); 247 GLSLANG_EXPORT void glslang_shader_delete(glslang_shader_t* shader); 248 GLSLANG_EXPORT void glslang_shader_set_preamble(glslang_shader_t* shader, const char* s); 249 GLSLANG_EXPORT void glslang_shader_shift_binding(glslang_shader_t* shader, glslang_resource_type_t res, unsigned int base); 250 GLSLANG_EXPORT void glslang_shader_shift_binding_for_set(glslang_shader_t* shader, glslang_resource_type_t res, unsigned int base, unsigned int set); 251 GLSLANG_EXPORT void glslang_shader_set_options(glslang_shader_t* shader, int options); // glslang_shader_options_t 252 GLSLANG_EXPORT void glslang_shader_set_glsl_version(glslang_shader_t* shader, int version); 253 GLSLANG_EXPORT int glslang_shader_preprocess(glslang_shader_t* shader, const glslang_input_t* input); 254 GLSLANG_EXPORT int glslang_shader_parse(glslang_shader_t* shader, const glslang_input_t* input); 255 GLSLANG_EXPORT const char* glslang_shader_get_preprocessed_code(glslang_shader_t* shader); 256 GLSLANG_EXPORT const char* glslang_shader_get_info_log(glslang_shader_t* shader); 257 GLSLANG_EXPORT const char* glslang_shader_get_info_debug_log(glslang_shader_t* shader); 258 259 GLSLANG_EXPORT glslang_program_t* glslang_program_create(); 260 GLSLANG_EXPORT void glslang_program_delete(glslang_program_t* program); 261 GLSLANG_EXPORT void glslang_program_add_shader(glslang_program_t* program, glslang_shader_t* shader); 262 GLSLANG_EXPORT int glslang_program_link(glslang_program_t* program, int messages); // glslang_messages_t 263 GLSLANG_EXPORT void glslang_program_add_source_text(glslang_program_t* program, glslang_stage_t stage, const char* text, size_t len); 264 GLSLANG_EXPORT void glslang_program_set_source_file(glslang_program_t* program, glslang_stage_t stage, const char* file); 265 GLSLANG_EXPORT int glslang_program_map_io(glslang_program_t* program); 266 GLSLANG_EXPORT void glslang_program_SPIRV_generate(glslang_program_t* program, glslang_stage_t stage); 267 GLSLANG_EXPORT void glslang_program_SPIRV_generate_with_options(glslang_program_t* program, glslang_stage_t stage, glslang_spv_options_t* spv_options); 268 GLSLANG_EXPORT size_t glslang_program_SPIRV_get_size(glslang_program_t* program); 269 GLSLANG_EXPORT void glslang_program_SPIRV_get(glslang_program_t* program, unsigned int*); 270 GLSLANG_EXPORT unsigned int* glslang_program_SPIRV_get_ptr(glslang_program_t* program); 271 GLSLANG_EXPORT const char* glslang_program_SPIRV_get_messages(glslang_program_t* program); 272 GLSLANG_EXPORT const char* glslang_program_get_info_log(glslang_program_t* program); 273 GLSLANG_EXPORT const char* glslang_program_get_info_debug_log(glslang_program_t* program); 274 275 #ifdef __cplusplus 276 } 277 #endif 278 279 #endif /* #ifdef GLSLANG_C_IFACE_INCLUDED */ 280