skybox.hpp

   1 #ifndef SKYBOX_HPP
   2 #define SKYBOX_HPP
   3
   4 #include <string>
   5 #include <vector>
   6 #include <GL/glew.h>
   7 #include <glm/glm.hpp>
   8 #include "program.hpp"
   9 #include "image.hpp"
  10 class Skybox {
  11         public:
  12                 // img must be HDR
  13                 Skybox(const Image img);
  14                 void draw(glm::mat4 proj, glm::mat4 view) const;
  15                 GLuint getTexture() const { return cubemapTexId; }
  16                 GLuint getIrradianceMap() const { return irradianceTexId; }
  17                 GLuint getPrefilterMap() const { return prefilterTexId; }
  18                 GLuint getBRDFMap() const { return brdfMapTexId; }
  19         private:
  20                 GLuint hdrTexId, cubemapTexId, irradianceTexId, prefilterTexId, brdfMapTexId;
  21                 GLuint captureFBO, captureRBO;
  22                 GLuint vao;
  23                 const Program program;
  24                 void generatePrefilterMap() const;
  25                 void generateBRDFMap() const;
  26 };
  27
  28 #endif