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#include "shader.h"

#include <stdio.h>

GLuint createShader(const char *vertexCode, const char *fragmentCode) {
    GLuint vertex, fragment;
    int success;
    char infoLog[512];

    vertex = glCreateShader(GL_VERTEX_SHADER);
    glShaderSource(vertex, 1, &vertexCode, NULL);
    glCompileShader(vertex);

    glGetShaderiv(vertex, GL_COMPILE_STATUS, &success);
    if (!success) {
        glGetShaderInfoLog(vertex, 512, NULL, infoLog);
        fprintf(stderr, "ERROR: Failed to compile vertex shader: %s\n", infoLog);
    }

    fragment = glCreateShader(GL_FRAGMENT_SHADER);
    glShaderSource(fragment, 1, &fragmentCode, NULL);
    glCompileShader(fragment);

    glGetShaderiv(fragment, GL_COMPILE_STATUS, &success);
    if (!success) {
        glGetShaderInfoLog(fragment, 512, NULL, infoLog);
        fprintf(stderr, "ERROR: Failed to compile fragment shader: %s\n", infoLog);
    }

    GLuint ShaderProgram = glCreateProgram();
    glAttachShader(ShaderProgram, vertex);
    glAttachShader(ShaderProgram, fragment);
    glLinkProgram(ShaderProgram);

    glGetProgramiv(ShaderProgram, GL_LINK_STATUS, &success);
    if (!success) {
        fprintf(stderr, "Failed to link shaders\n");
    }

    glDeleteShader(vertex);
    glDeleteShader(fragment);

    return ShaderProgram;
}