GLSLExtensions.hpp

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//
//  CeresEngine - A game development framework
//
//  Created by Rogiel Sulzbach.
//  Copyright (c) 2018-2022 Rogiel Sulzbach. All rights reserved.
//
 
#pragma once
 
#include "CeresEngine/DataTypes.hpp"
 
#include "CeresEngine/Foundation/String.hpp"
#include "CeresEngine/Foundation/Container/Map.hpp"
 
#include "CeresEngine/Material/ShaderCompiler/Targets.hpp"
 
namespace CeresEngine::ShaderCompiler {
 
 
// Declares an extension string as 'static const char* E_<NAME> = "<NAME>"' where <NAME> is the specified identifier
#define DECLARATION_EXTENSION(NAME) static const char* const E_##NAME = #NAME
 
    // 3DL
    DECLARATION_EXTENSION(GL_3DL_array_objects);
 
    // AMD
    DECLARATION_EXTENSION(GL_AMD_gcn_shader);
    DECLARATION_EXTENSION(GL_AMD_gpu_shader_half_float);
    DECLARATION_EXTENSION(GL_AMD_shader_ballot);
    DECLARATION_EXTENSION(GL_AMD_shader_explicit_vertex_parameter);
    DECLARATION_EXTENSION(GL_AMD_shader_trinary_minmax);
 
    // ANDROID
    DECLARATION_EXTENSION(GL_ANDROID_extension_pack_es31a);
 
    // ARB
    DECLARATION_EXTENSION(GL_ARB_arrays_of_arrays);
    DECLARATION_EXTENSION(GL_ARB_compute_shader);
    DECLARATION_EXTENSION(GL_ARB_cull_distance);
    DECLARATION_EXTENSION(GL_ARB_derivative_control);
    DECLARATION_EXTENSION(GL_ARB_enhanced_layouts);
    DECLARATION_EXTENSION(GL_ARB_explicit_attrib_location);
    DECLARATION_EXTENSION(GL_ARB_fragment_coord_conventions);
    DECLARATION_EXTENSION(GL_ARB_gpu_shader5);
    DECLARATION_EXTENSION(GL_ARB_gpu_shader_fp64);
    DECLARATION_EXTENSION(GL_ARB_gpu_shader_int64);
    DECLARATION_EXTENSION(GL_ARB_separate_shader_objects);
    DECLARATION_EXTENSION(GL_ARB_shading_language_420pack);
    DECLARATION_EXTENSION(GL_ARB_explicit_uniform_location);
    DECLARATION_EXTENSION(GL_ARB_shader_atomic_counters);
    DECLARATION_EXTENSION(GL_ARB_shader_ballot);
    DECLARATION_EXTENSION(GL_ARB_shader_bit_encoding);
    DECLARATION_EXTENSION(GL_ARB_shader_draw_parameters);
    DECLARATION_EXTENSION(GL_ARB_shader_group_vote);
    DECLARATION_EXTENSION(GL_ARB_shader_image_load_store);
    DECLARATION_EXTENSION(GL_ARB_shader_storage_buffer_object);
    DECLARATION_EXTENSION(GL_ARB_shader_texture_image_samples);
    DECLARATION_EXTENSION(GL_ARB_shader_texture_lod);
    DECLARATION_EXTENSION(GL_ARB_shader_viewport_layer_array);
    DECLARATION_EXTENSION(GL_ARB_sparse_texture2);
    DECLARATION_EXTENSION(GL_ARB_sparse_texture_clamp);
    DECLARATION_EXTENSION(GL_ARB_tessellation_shader);
    DECLARATION_EXTENSION(GL_ARB_texture_cube_map_array);
    DECLARATION_EXTENSION(GL_ARB_texture_gather);
    DECLARATION_EXTENSION(GL_ARB_texture_multisample);
    DECLARATION_EXTENSION(GL_ARB_texture_query_lod);
    DECLARATION_EXTENSION(GL_ARB_texture_rectangle);
    DECLARATION_EXTENSION(GL_ARB_uniform_buffer_object);
    DECLARATION_EXTENSION(GL_ARB_viewport_array);
    DECLARATION_EXTENSION(GL_ARB_shading_language_packing);
 
    // EXT
    DECLARATION_EXTENSION(GL_EXT_device_group);
    DECLARATION_EXTENSION(GL_EXT_gpu_shader4);
    DECLARATION_EXTENSION(GL_EXT_multiview);
    DECLARATION_EXTENSION(GL_EXT_shader_image_load_formatted);
    DECLARATION_EXTENSION(GL_EXT_shader_non_constant_global_initializers); // ESSL
    DECLARATION_EXTENSION(GL_EXT_geometry_shader);
    DECLARATION_EXTENSION(GL_EXT_geometry_point_size);
    DECLARATION_EXTENSION(GL_EXT_gpu_shader5);
    DECLARATION_EXTENSION(GL_EXT_primitive_bounding_box);
    DECLARATION_EXTENSION(GL_EXT_shader_io_blocks);
    DECLARATION_EXTENSION(GL_EXT_tessellation_shader);
    DECLARATION_EXTENSION(GL_EXT_tessellation_point_size);
    DECLARATION_EXTENSION(GL_EXT_texture_buffer);
    DECLARATION_EXTENSION(GL_EXT_texture_cube_map_array);
    DECLARATION_EXTENSION(GL_EXT_frag_depth);
    DECLARATION_EXTENSION(GL_EXT_shader_texture_lod);
    DECLARATION_EXTENSION(GL_EXT_nonuniform_qualifier);
 
    // GOOGLE
    DECLARATION_EXTENSION(GL_GOOGLE_cpp_style_line_directive);
    DECLARATION_EXTENSION(GL_GOOGLE_include_directive);
 
    // KHR
    DECLARATION_EXTENSION(GL_KHR_blend_equation_advanced);
 
    // NV
    DECLARATION_EXTENSION(GL_NV_geometry_shader_passthrough);
    DECLARATION_EXTENSION(GL_NV_sample_mask_override_coverage);
    DECLARATION_EXTENSION(GL_NV_stereo_view_rendering);
    DECLARATION_EXTENSION(GL_NV_viewport_array2);
 
    // NVX
    DECLARATION_EXTENSION(GL_NVX_multiview_per_view_attributes);
 
    // OES
    DECLARATION_EXTENSION(GL_OES_EGL_image_external);
    DECLARATION_EXTENSION(GL_OES_geometry_point_size);
    DECLARATION_EXTENSION(GL_OES_geometry_shader);
    DECLARATION_EXTENSION(GL_OES_gpu_shader5);
    DECLARATION_EXTENSION(GL_OES_primitive_bounding_box);
    DECLARATION_EXTENSION(GL_OES_sample_variables);
    DECLARATION_EXTENSION(GL_OES_shader_image_atomic);
    DECLARATION_EXTENSION(GL_OES_shader_io_blocks);
    DECLARATION_EXTENSION(GL_OES_shader_multisample_interpolation);
    DECLARATION_EXTENSION(GL_OES_standard_derivatives);
    DECLARATION_EXTENSION(GL_OES_tessellation_point_size);
    DECLARATION_EXTENSION(GL_OES_tessellation_shader);
    DECLARATION_EXTENSION(GL_OES_texture_3D);
    DECLARATION_EXTENSION(GL_OES_texture_buffer);
    DECLARATION_EXTENSION(GL_OES_texture_cube_map_array);
    DECLARATION_EXTENSION(GL_OES_texture_storage_multisample_2d_array);
 
#undef DECLARATION_EXTENSION
 
    // Returns a map of GLSL extension strings with their minimum required version number (default is 110).
    const Map<String, int>& getGLSLExtensionVersionMap();
 
    // Returns the version number of the specified output shader version, e.g. GLSL130 to 130, ESSL300 to 300.
    Int32 getGLSLVersionNumber(const OutputShaderVersion version);
 
} // namespace CeresEngine::ShaderCompiler