helpers.hpp File Reference

#include <glad/glad.h>
#include <GLFW/glfw3.h>
#include <glm/glm.hpp>
#include "core/FPSCamera.h"
#include <functional>
#include <string>
#include <vector>
#include <unordered_map>

Go to the source code of this file.

Classes
struct	bonobo::material_data
struct	bonobo::mesh_data
	Contains the data for a mesh in OpenGL. More...

Namespaces
	bonobo
	Namespace containing a few helpers for the LUGG computer graphics labs.

Typedefs
using	bonobo::texture_bindings = std::unordered_map< std::string, GLuint >
	Association of a sampler name used in GLSL to a corresponding texture ID. More...

Enumerations
enum class	bonobo::shader_bindings : unsigned int {   bonobo::vertices = 0u , bonobo::normals , bonobo::texcoords , bonobo::tangents ,   bonobo::binormals }
	Formalise mapping between an OpenGL VAO attribute binding, and the meaning of that attribute. More...
enum class	bonobo::cull_mode_t : unsigned int { bonobo::disabled = 0u , bonobo::back_faces , bonobo::front_faces }
enum class	bonobo::polygon_mode_t : unsigned int { bonobo::fill = 0u , bonobo::line , bonobo::point }

Functions
void	bonobo::init ()
	Allocate some objects needed by some helper functions. More...
void	bonobo::deinit ()
	Deallocate objects allocated by the init() function. More...
std::vector< mesh_data >	bonobo::loadObjects (std::string const &filename)
	Load objects found in an object/scene file, using assimp. More...
GLuint	bonobo::createTexture (uint32_t width, uint32_t height, GLenum target=GL_TEXTURE_2D, GLint internal_format=GL_RGBA, GLenum format=GL_RGBA, GLenum type=GL_UNSIGNED_BYTE, GLvoid const *data=nullptr)
	Creates an OpenGL texture without any content nor parameters. More...
GLuint	bonobo::loadTexture2D (std::string const &filename, bool generate_mipmap=true)
	Load an image into an OpenGL 2D-texture. More...
GLuint	bonobo::loadTextureCubeMap (std::string const &posx, std::string const &negx, std::string const &posy, std::string const &negy, std::string const &posz, std::string const &negz, bool generate_mipmap=true)
	Load six images into an OpenGL cubemap-texture. More...
GLuint	bonobo::createProgram (std::string const &vert_shader_source_path, std::string const &frag_shader_source_path)
	Create an OpenGL program consisting of a vertex and a fragment shader. More...
void	bonobo::displayTexture (glm::vec2 const &lower_left, glm::vec2 const &upper_right, GLuint texture, GLuint sampler, glm::ivec4 const &swizzle, glm::ivec2 const &window_size, bool linearise=false, float nearPlane=0.0f, float farPlane=0.0f)
	Display the current texture in the specified rectangle. More...
GLuint	bonobo::createFBO (std::vector< GLuint > const &color_attachments, GLuint depth_attachment=0u)
	Create an OpenGL FrameBuffer Object using the specified attachments. More...
GLuint	bonobo::createSampler (std::function< void(GLuint)> const &setup)
	Create an OpenGL sampler and set it up. More...
void	bonobo::drawFullscreen ()
	Draw full screen. More...
GLuint	bonobo::getDebugTextureID ()
	Retrieve the ID of a small placeholder texture. More...
void	bonobo::renderBasis (float thickness_scale, float length_scale, glm::mat4 const &view_projection, glm::mat4 const &world=glm::mat4(1.0f))
	Render a right-hand orthonormal basis. More...
bool	bonobo::uiSelectCullMode (std::string const &label, enum cull_mode_t &cull_mode) noexcept
	Add a combo box to the current ImGUI window, to choose a cull mode. More...
void	bonobo::changeCullMode (enum cull_mode_t const cull_mode) noexcept
	Enable or disable culling, and call glCullFace with the specified cull mode. More...
bool	bonobo::uiSelectPolygonMode (std::string const &label, enum polygon_mode_t &polygon_mode) noexcept
	Add a combo box to the current ImGUI window, to choose a polygon mode. More...
void	bonobo::changePolygonMode (enum polygon_mode_t const polygon_mode) noexcept
	Call glPolygonMode for both front and back faces, with the specified polygon mode. More...