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~ | Shader class working

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This commit is contained in:
RedShip
2024-10-13 20:59:24 +02:00
parent 793398f888
commit d8fd3d0535
11 changed files with 285 additions and 26 deletions
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15
srcs/RT.cpp
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@ -1,12 +1,12 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* RT.c :+: :+: :+: */
/* RT.cpp :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: TheRed <TheRed@students.42.fr> +#+ +:+ +#+ */
/* By: ycontre <ycontre@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/09/27 14:51:49 by TheRed #+# #+# */
/* Updated: 2024/09/27 14:51:49 by TheRed ### ########.fr */
/* Updated: 2024/10/13 20:58:06 by ycontre ### ########.fr */
/* */
/* ************************************************************************** */
@ -15,12 +15,19 @@
int main(void)
{
Window window;
GLFWwindow *win = window.getWindow();
Shader shader("shaders/vertex.glsl", "shaders/frag.glsl");
shader.attach();
while (!window.shouldClose())
{
glClear(GL_COLOR_BUFFER_BIT);
glUseProgram(shader.getProgram());
window.display();
window.pollEvents();
}

108
srcs/Shader.cpp Normal file
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@ -0,0 +1,108 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* Shader.cpp :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: ycontre <ycontre@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/13 20:21:13 by ycontre #+# #+# */
/* Updated: 2024/10/13 20:58:02 by ycontre ### ########.fr */
/* */
/* ************************************************************************** */
#include "Shader.hpp"
char* load_file(char const* path)
{
char* buffer = 0;
long length = 0;
FILE * f = fopen (path, "rb");
if (f)
{
fseek (f, 0, SEEK_END);
length = ftell (f);
fseek (f, 0, SEEK_SET);
buffer = (char*)malloc ((length+1)*sizeof(char));
if (buffer)
{
fread (buffer, sizeof(char), length, f);
}
fclose (f);
}
else
return (NULL);
buffer[length] = '\0';
return buffer;
}
void Shader::checkCompileErrors(GLuint shader)
{
GLint success;
GLchar infoLog[512];
glGetShaderiv(shader, GL_COMPILE_STATUS, &success);
if (!success)
{
glGetShaderInfoLog(shader, 512, NULL, infoLog);
std::cout << "ERROR::SHADER::COMPILATION_FAILED\n" << infoLog << std::endl;
}
}
Shader::Shader(char *vertexPath, char *fragmentPath)
{
const char *vertexCode = load_file(vertexPath);
const char *fragmentCode = load_file(fragmentPath);
_vertex = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(_vertex, 1, &vertexCode, NULL);
glCompileShader(_vertex);
checkCompileErrors(_vertex);
_fragment = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(_fragment, 1, &fragmentCode, NULL);
glCompileShader(_fragment);
checkCompileErrors(_fragment);
}
void Shader::attach(void)
{
_program = glCreateProgram();
glAttachShader(_program, _vertex);
glAttachShader(_program, _fragment);
glLinkProgram(_program);
}
Shader::Shader(Shader const &src)
{
*this = src;
}
Shader &Shader::operator=(Shader const &rhs)
{
if (this != &rhs)
{
_program = rhs._program;
_vertex = rhs._vertex;
_fragment = rhs._fragment;
}
return (*this);
}
Shader::~Shader(void)
{
glDeleteShader(_vertex);
glDeleteShader(_fragment);
glDeleteProgram(_program);
}
GLuint Shader::getProgram(void) const
{
return (_program);
}

12
srcs/Window.cpp
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@ -1,12 +1,12 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* window.cpp :+: :+: :+: */
/* Window.cpp :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: TheRed <TheRed@students.42.fr> +#+ +:+ +#+ */
/* By: ycontre <ycontre@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/13 16:16:24 by TheRed #+# #+# */
/* Updated: 2024/10/13 16:16:24 by TheRed ### ########.fr */
/* Updated: 2024/10/13 20:52:00 by ycontre ### ########.fr */
/* */
/* ************************************************************************** */
@ -61,21 +61,23 @@ Window::~Window(void)
void Window::keyCallback(GLFWwindow* window, int key, int scancode, int action, int mods)
{
Window* win = static_cast<Window*>(glfwGetWindowUserPointer(window));
(void) win; (void) key; (void) scancode; (void) mods;
if (action == GLFW_PRESS)
{
}
}
void Window::mouseMoveCallback(GLFWwindow* window, double xpos, double ypos)
{
Window* win = static_cast<Window*>(glfwGetWindowUserPointer(window));
(void) win; (void) xpos; (void) ypos;
win->_mousePos = RT::Vec2i(xpos, ypos);
}
void Window::mouseButtonCallback(GLFWwindow* window, int button, int action, int mods)
{
Window* win = static_cast<Window*>(glfwGetWindowUserPointer(window));
(void) win; (void) button; (void) mods;
if (action == GLFW_PRESS)
{