Merge pull request #2038 from corporateshark/c_interface
Implemented C-language interface for glslang
This commit is contained in:
John Kessenich
GitHub
commit
965bd4d966
6 changed files with 771 additions and 3 deletions
119
glslang/Include/glslang_c_interface.h
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119
glslang/Include/glslang_c_interface.h
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/**
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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 <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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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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} 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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182
glslang/Include/glslang_c_shader_types.h
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182
glslang/Include/glslang_c_shader_types.h
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@ -0,0 +1,182 @@
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/**
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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 C_SHADER_TYPES_H_INCLUDED
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#define C_SHADER_TYPES_H_INCLUDED
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#define LAST_ELEMENT_MARKER(x) x
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/* EShLanguage counterpart */
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typedef enum {
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GLSLANG_STAGE_VERTEX,
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GLSLANG_STAGE_TESSCONTROL,
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GLSLANG_STAGE_TESSEVALUATION,
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GLSLANG_STAGE_GEOMETRY,
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GLSLANG_STAGE_FRAGMENT,
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GLSLANG_STAGE_COMPUTE,
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GLSLANG_STAGE_RAYGEN_NV,
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GLSLANG_STAGE_INTERSECT_NV,
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GLSLANG_STAGE_ANYHIT_NV,
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GLSLANG_STAGE_CLOSESTHIT_NV,
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GLSLANG_STAGE_MISS_NV,
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GLSLANG_STAGE_CALLABLE_NV,
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GLSLANG_STAGE_TASK_NV,
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GLSLANG_STAGE_MESH_NV,
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LAST_ELEMENT_MARKER(GLSLANG_STAGE_COUNT),
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} glslang_stage_t; // would be better as stage, but this is ancient now
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/* EShLanguageMask counterpart */
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typedef enum {
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GLSLANG_STAGE_VERTEX_MASK = (1 << GLSLANG_STAGE_VERTEX),
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GLSLANG_STAGE_TESSCONTROL_MASK = (1 << GLSLANG_STAGE_TESSCONTROL),
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GLSLANG_STAGE_TESSEVALUATION_MASK = (1 << GLSLANG_STAGE_TESSEVALUATION),
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GLSLANG_STAGE_GEOMETRY_MASK = (1 << GLSLANG_STAGE_GEOMETRY),
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GLSLANG_STAGE_FRAGMENT_MASK = (1 << GLSLANG_STAGE_FRAGMENT),
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GLSLANG_STAGE_COMPUTE_MASK = (1 << GLSLANG_STAGE_COMPUTE),
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GLSLANG_STAGE_RAYGEN_NV_MASK = (1 << GLSLANG_STAGE_RAYGEN_NV),
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GLSLANG_STAGE_INTERSECT_NV_MASK = (1 << GLSLANG_STAGE_INTERSECT_NV),
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GLSLANG_STAGE_ANYHIT_NV_MASK = (1 << GLSLANG_STAGE_ANYHIT_NV),
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GLSLANG_STAGE_CLOSESTHIT_NV_MASK = (1 << GLSLANG_STAGE_CLOSESTHIT_NV),
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GLSLANG_STAGE_MISS_NV_MASK = (1 << GLSLANG_STAGE_MISS_NV),
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GLSLANG_STAGE_CALLABLE_NV_MASK = (1 << GLSLANG_STAGE_CALLABLE_NV),
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GLSLANG_STAGE_TASK_NV_MASK = (1 << GLSLANG_STAGE_TASK_NV),
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GLSLANG_STAGE_MESH_NV_MASK = (1 << GLSLANG_STAGE_MESH_NV),
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LAST_ELEMENT_MARKER(GLSLANG_STAGE_MASK_COUNT),
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} glslang_stage_mask_t;
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/* EShSource counterpart */
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typedef enum {
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GLSLANG_SOURCE_NONE,
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GLSLANG_SOURCE_GLSL,
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GLSLANG_SOURCE_HLSL,
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LAST_ELEMENT_MARKER(GLSLANG_SOURCE_COUNT),
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} glslang_source_t;
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/* EShClient counterpart */
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typedef enum {
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GLSLANG_CLIENT_NONE,
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GLSLANG_CLIENT_VULKAN,
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GLSLANG_CLIENT_OPENGL,
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LAST_ELEMENT_MARKER(GLSLANG_CLIENT_COUNT),
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} glslang_client_t;
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/* EShTargetLanguage counterpart */
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typedef enum {
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GLSLANG_TARGET_NONE,
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GLSLANG_TARGET_SPV,
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LAST_ELEMENT_MARKER(GLSLANG_TARGET_COUNT),
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} glslang_target_language_t;
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/* SH_TARGET_ClientVersion counterpart */
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typedef enum {
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GLSLANG_TARGET_VULKAN_1_0 = (1 << 22),
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GLSLANG_TARGET_VULKAN_1_1 = (1 << 22) | (1 << 12),
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GLSLANG_TARGET_OPENGL_450 = 450,
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LAST_ELEMENT_MARKER(GLSLANG_TARGET_CLIENT_VERSION_COUNT),
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} glslang_target_client_version_t;
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/* SH_TARGET_LanguageVersion counterpart */
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typedef enum {
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GLSLANG_TARGET_SPV_1_0 = (1 << 16),
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GLSLANG_TARGET_SPV_1_1 = (1 << 16) | (1 << 8),
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GLSLANG_TARGET_SPV_1_2 = (1 << 16) | (2 << 8),
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GLSLANG_TARGET_SPV_1_3 = (1 << 16) | (3 << 8),
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GLSLANG_TARGET_SPV_1_4 = (1 << 16) | (4 << 8),
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GLSLANG_TARGET_SPV_1_5 = (1 << 16) | (5 << 8),
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LAST_ELEMENT_MARKER(GLSLANG_TARGET_LANGUAGE_VERSION_COUNT),
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} glslang_target_language_version_t;
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/* EShExecutable counterpart */
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typedef enum { GLSLANG_EX_VERTEX_FRAGMENT, GLSLANG_EX_FRAGMENT } glslang_executable_t;
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/* EShOptimizationLevel counterpart */
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typedef enum {
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GLSLANG_OPT_NO_GENERATION,
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GLSLANG_OPT_NONE,
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GLSLANG_OPT_SIMPLE,
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GLSLANG_OPT_FULL,
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LAST_ELEMENT_MARKER(GLSLANG_OPT_LEVEL_COUNT),
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} glslang_optimization_level_t;
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/* EShTextureSamplerTransformMode counterpart */
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typedef enum {
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GLSLANG_TEX_SAMP_TRANS_KEEP,
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GLSLANG_TEX_SAMP_TRANS_UPGRADE_TEXTURE_REMOVE_SAMPLER,
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LAST_ELEMENT_MARKER(GLSLANG_TEX_SAMP_TRANS_COUNT),
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} glslang_texture_sampler_transform_mode_t;
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/* EShMessages counterpart */
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typedef enum {
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GLSLANG_MSG_DEFAULT_BIT = 0,
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GLSLANG_MSG_RELAXED_ERRORS_BIT = (1 << 0),
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GLSLANG_MSG_SUPPRESS_WARNINGS_BIT = (1 << 1),
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GLSLANG_MSG_AST_BIT = (1 << 2),
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GLSLANG_MSG_SPV_RULES_BIT = (1 << 3),
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GLSLANG_MSG_VULKAN_RULES_BIT = (1 << 4),
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GLSLANG_MSG_ONLY_PREPROCESSOR_BIT = (1 << 5),
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GLSLANG_MSG_READ_HLSL_BIT = (1 << 6),
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GLSLANG_MSG_CASCADING_ERRORS_BIT = (1 << 7),
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GLSLANG_MSG_KEEP_UNCALLED_BIT = (1 << 8),
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GLSLANG_MSG_HLSL_OFFSETS_BIT = (1 << 9),
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GLSLANG_MSG_DEBUG_INFO_BIT = (1 << 10),
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GLSLANG_MSG_HLSL_ENABLE_16BIT_TYPES_BIT = (1 << 11),
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GLSLANG_MSG_HLSL_LEGALIZATION_BIT = (1 << 12),
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GLSLANG_MSG_HLSL_DX9_COMPATIBLE_BIT = (1 << 13),
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GLSLANG_MSG_BUILTIN_SYMBOL_TABLE_BIT = (1 << 14),
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LAST_ELEMENT_MARKER(GLSLANG_MSG_COUNT),
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} glslang_messages_t;
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/* EShReflectionOptions counterpart */
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typedef enum {
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GLSLANG_REFLECTION_DEFAULT_BIT = 0,
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GLSLANG_REFLECTION_STRICT_ARRAY_SUFFIX_BIT = (1 << 0),
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GLSLANG_REFLECTION_BASIC_ARRAY_SUFFIX_BIT = (1 << 1),
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GLSLANG_REFLECTION_INTERMEDIATE_IOO_BIT = (1 << 2),
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GLSLANG_REFLECTION_SEPARATE_BUFFERS_BIT = (1 << 3),
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GLSLANG_REFLECTION_ALL_BLOCK_VARIABLES_BIT = (1 << 4),
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GLSLANG_REFLECTION_UNWRAP_IO_BLOCKS_BIT = (1 << 5),
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LAST_ELEMENT_MARKER(GLSLANG_REFLECTION_COUNT),
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} glslang_reflection_options_t;
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/* EProfile counterpart (from Versions.h) */
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typedef enum {
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GLSLANG_BAD_PROFILE = 0,
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GLSLANG_NO_PROFILE = (1 << 0),
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GLSLANG_CORE_PROFILE = (1 << 1),
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GLSLANG_COMPATIBILITY_PROFILE = (1 << 2),
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GLSLANG_ES_PROFILE = (1 << 3),
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LAST_ELEMENT_MARKER(GLSLANG_PROFILE_COUNT),
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} glslang_profile_t;
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#undef LAST_ELEMENT_MARKER
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#endif
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