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path: root/height-map-display/src/sprites/loader.c
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#include "loader.h"

#define STB_IMAGE_IMPLEMENTATION
#include "stb_image.h"
#include <stdio.h>

GLuint load_texture(const char* path) {

    GLuint texture_id;
    glGenTextures(1, &texture_id);
    
    glBindTexture(GL_TEXTURE_2D, texture_id);

    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);

    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_REPEAT);
    glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_REPEAT);


    // Load image data
    int width, height, nr_channels;
    unsigned char* data = stbi_load(path, &width, &height, &nr_channels, 0);
    if (data) {
        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_RGB, GL_UNSIGNED_BYTE, data);
        glGenerateMipmap(GL_TEXTURE_2D);
    } else {
        printf("Failed to load texture: %s\n", path);
    }
    stbi_image_free(data);

    // Unbind texture
    glBindTexture(GL_TEXTURE_2D, 0);

    return texture_id;

}