.. _program_listing_file_Src_GraphicsEngineOpenGL_renderer_ShaderIncludes.hpp:

Program Listing for File ShaderIncludes.hpp
===========================================

|exhale_lsh| :ref:`Return to documentation for file <file_Src_GraphicsEngineOpenGL_renderer_ShaderIncludes.hpp>` (``Src/GraphicsEngineOpenGL/renderer/ShaderIncludes.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #pragma once
   
   #include <glad/glad.h>
   #include <string>
   #include <vector>
   
   // https://www.khronos.org/registry/OpenGL/extensions/ARB/ARB_shading_language_include.txt
   class ShaderIncludes
   {
     public:
       ShaderIncludes();
   
       ~ShaderIncludes();
   
     private:
       bool isExtensionSupported(const std::string &extension)
       {
           GLint numExtensions = 0;
           glGetIntegerv(GL_NUM_EXTENSIONS, &numExtensions);
   
           for (int i = 0; i < numExtensions; ++i) {
               const char *ext = reinterpret_cast<const char *>(glGetStringi(GL_EXTENSIONS, i));
               if (extension == ext) { return true; }
           }
           return false;
       }
       std::vector<const char *> includeNames = { "host_device_shared.hpp",
           "Matlib.glsl",
           "microfacet.glsl",
           "ShadingLibrary.glsl",
           "disney.glsl",
           "frostbite.glsl",
           "pbrBook.glsl",
           "phong.glsl",
           "unreal4.glsl",
           "clouds.glsl",
           "grad_noise.glsl",
           "worley_noise.glsl",
           "bindings.hpp",
           "GlobalValues.hpp",
           "directional_light.glsl",
           "light.glsl",
           "material.glsl",
           "point_light.glsl" };
   
       std::vector<const char *> file_locations_relative = { "Shaders/hostDevice/host_device_shared.hpp",
           "Shaders/common/Matlib.glsl",
           "Shaders/pbr/microfacet.glsl",
           "Shaders/common/ShadingLibrary.glsl",
           "Shaders/pbr/brdf/disney.glsl",
           "Shaders/pbr/brdf/frostbite.glsl",
           "Shaders/pbr/brdf/pbrBook.glsl",
           "Shaders/pbr/brdf/phong.glsl",
           "Shaders/pbr/brdf/unreal4.glsl",
           "Shaders/clouds/clouds.glsl",
           "Shaders/common/grad_noise.glsl",
           "Shaders/common/worley_noise.glsl",
           "Shaders/hostDevice/bindings.hpp",
           "Shaders/hostDevice/GlobalValues.hpp",
           "Shaders/common/directional_light.glsl",
           "Shaders/common/light.glsl",
           "Shaders/common/material.glsl",
           "Shaders/common/point_light.glsl" };
   };