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234 lines
8.8 KiB
C
234 lines
8.8 KiB
C
/**
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This code is based on the glslang_c_interface implementation by Viktor Latypov
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**/
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/**
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BSD 2-Clause License
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Copyright (c) 2019, Viktor Latypov
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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**/
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#ifndef GLSLANG_C_IFACE_H_INCLUDED
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#define GLSLANG_C_IFACE_H_INCLUDED
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#include <stdbool.h>
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#include <stdlib.h>
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#include "glslang_c_shader_types.h"
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typedef struct glslang_shader_s glslang_shader_t;
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typedef struct glslang_program_s glslang_program_t;
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/* TLimits counterpart */
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typedef struct glslang_limits_s {
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bool non_inductive_for_loops;
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bool while_loops;
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bool do_while_loops;
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bool general_uniform_indexing;
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bool general_attribute_matrix_vector_indexing;
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bool general_varying_indexing;
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bool general_sampler_indexing;
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bool general_variable_indexing;
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bool general_constant_matrix_vector_indexing;
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} glslang_limits_t;
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/* TBuiltInResource counterpart */
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typedef struct glslang_resource_s {
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int max_lights;
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int max_clip_planes;
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int max_texture_units;
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int max_texture_coords;
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int max_vertex_attribs;
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int max_vertex_uniform_components;
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int max_varying_floats;
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int max_vertex_texture_image_units;
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int max_combined_texture_image_units;
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int max_texture_image_units;
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int max_fragment_uniform_components;
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int max_draw_buffers;
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int max_vertex_uniform_vectors;
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int max_varying_vectors;
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int max_fragment_uniform_vectors;
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int max_vertex_output_vectors;
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int max_fragment_input_vectors;
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int min_program_texel_offset;
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int max_program_texel_offset;
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int max_clip_distances;
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int max_compute_work_group_count_x;
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int max_compute_work_group_count_y;
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int max_compute_work_group_count_z;
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int max_compute_work_group_size_x;
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int max_compute_work_group_size_y;
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int max_compute_work_group_size_z;
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int max_compute_uniform_components;
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int max_compute_texture_image_units;
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int max_compute_image_uniforms;
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int max_compute_atomic_counters;
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int max_compute_atomic_counter_buffers;
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int max_varying_components;
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int max_vertex_output_components;
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int max_geometry_input_components;
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int max_geometry_output_components;
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int max_fragment_input_components;
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int max_image_units;
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int max_combined_image_units_and_fragment_outputs;
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int max_combined_shader_output_resources;
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int max_image_samples;
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int max_vertex_image_uniforms;
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int max_tess_control_image_uniforms;
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int max_tess_evaluation_image_uniforms;
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int max_geometry_image_uniforms;
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int max_fragment_image_uniforms;
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int max_combined_image_uniforms;
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int max_geometry_texture_image_units;
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int max_geometry_output_vertices;
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int max_geometry_total_output_components;
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int max_geometry_uniform_components;
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int max_geometry_varying_components;
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int max_tess_control_input_components;
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int max_tess_control_output_components;
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int max_tess_control_texture_image_units;
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int max_tess_control_uniform_components;
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int max_tess_control_total_output_components;
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int max_tess_evaluation_input_components;
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int max_tess_evaluation_output_components;
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int max_tess_evaluation_texture_image_units;
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int max_tess_evaluation_uniform_components;
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int max_tess_patch_components;
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int max_patch_vertices;
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int max_tess_gen_level;
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int max_viewports;
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int max_vertex_atomic_counters;
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int max_tess_control_atomic_counters;
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int max_tess_evaluation_atomic_counters;
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int max_geometry_atomic_counters;
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int max_fragment_atomic_counters;
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int max_combined_atomic_counters;
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int max_atomic_counter_bindings;
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int max_vertex_atomic_counter_buffers;
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int max_tess_control_atomic_counter_buffers;
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int max_tess_evaluation_atomic_counter_buffers;
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int max_geometry_atomic_counter_buffers;
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int max_fragment_atomic_counter_buffers;
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int max_combined_atomic_counter_buffers;
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int max_atomic_counter_buffer_size;
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int max_transform_feedback_buffers;
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int max_transform_feedback_interleaved_components;
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int max_cull_distances;
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int max_combined_clip_and_cull_distances;
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int max_samples;
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int max_mesh_output_vertices_nv;
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int max_mesh_output_primitives_nv;
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int max_mesh_work_group_size_x_nv;
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int max_mesh_work_group_size_y_nv;
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int max_mesh_work_group_size_z_nv;
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int max_task_work_group_size_x_nv;
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int max_task_work_group_size_y_nv;
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int max_task_work_group_size_z_nv;
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int max_mesh_view_count_nv;
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int maxDualSourceDrawBuffersEXT;
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glslang_limits_t limits;
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} glslang_resource_t;
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typedef struct glslang_input_s {
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glslang_source_t language;
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glslang_stage_t stage;
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glslang_client_t client;
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glslang_target_client_version_t client_version;
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glslang_target_language_t target_language;
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glslang_target_language_version_t target_language_version;
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/** Shader source code */
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const char* code;
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int default_version;
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glslang_profile_t default_profile;
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int force_default_version_and_profile;
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int forward_compatible;
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glslang_messages_t messages;
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const glslang_resource_t* resource;
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} glslang_input_t;
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/* Inclusion result structure allocated by C include_local/include_system callbacks */
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typedef struct glsl_include_result_s {
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/* Header file name or NULL if inclusion failed */
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const char* header_name;
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/* Header contents or NULL */
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const char* header_data;
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size_t header_length;
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} glsl_include_result_t;
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/* Callback for local file inclusion */
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typedef glsl_include_result_t* (*glsl_include_local_func)(void* ctx, const char* header_name, const char* includer_name,
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size_t include_depth);
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/* Callback for system file inclusion */
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typedef glsl_include_result_t* (*glsl_include_system_func)(void* ctx, const char* header_name,
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const char* includer_name, size_t include_depth);
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/* Callback for include result destruction */
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typedef int (*glsl_free_include_result_func)(void* ctx, glsl_include_result_t* result);
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/* Collection of callbacks for GLSL preprocessor */
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typedef struct glsl_include_callbacks_s {
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glsl_include_system_func include_system;
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glsl_include_local_func include_local;
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glsl_free_include_result_func free_include_result;
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} glsl_include_callbacks_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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int glslang_initialize_process();
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void glslang_finalize_process();
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glslang_shader_t* glslang_shader_create(const glslang_input_t* input);
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void glslang_shader_delete(glslang_shader_t* shader);
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int glslang_shader_preprocess(glslang_shader_t* shader, const glslang_input_t* input);
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int glslang_shader_parse(glslang_shader_t* shader, const glslang_input_t* input);
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const char* glslang_shader_get_preprocessed_code(glslang_shader_t* shader);
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const char* glslang_shader_get_info_log(glslang_shader_t* shader);
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const char* glslang_shader_get_info_debug_log(glslang_shader_t* shader);
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glslang_program_t* glslang_program_create();
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void glslang_program_delete(glslang_program_t* program);
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void glslang_program_add_shader(glslang_program_t* program, glslang_shader_t* shader);
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int glslang_program_link(glslang_program_t* program, int messages); // glslang_messages_t
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void glslang_program_SPIRV_generate(glslang_program_t* program, glslang_stage_t stage);
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size_t glslang_program_SPIRV_get_size(glslang_program_t* program);
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void glslang_program_SPIRV_get(glslang_program_t* program, unsigned int*);
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unsigned int* glslang_program_SPIRV_get_ptr(glslang_program_t* program);
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const char* glslang_program_SPIRV_get_messages(glslang_program_t* program);
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const char* glslang_program_get_info_log(glslang_program_t* program);
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const char* glslang_program_get_info_debug_log(glslang_program_t* program);
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#ifdef __cplusplus
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}
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#endif
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#endif /* #ifdef GLSLANG_C_IFACE_INCLUDED */
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