texture.hpp

/*
 * MIT License
 *
 * Copyright (c) 2024 Giovanni Santini
 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */
 
#pragma once
 
#include <glad/glad.h> /* OpenGL driver */
#include <string>
 
namespace brenta
{
 
class texture
{
  public:
    static unsigned int load_texture(std::string path,
                                     GLint wrapping = GL_REPEAT,
                                     GLint filtering_min = GL_NEAREST,
                                     GLint filtering_mag = GL_NEAREST,
                                     GLboolean has_mipmap = GL_TRUE,
                                     GLint mipmap_min = GL_LINEAR_MIPMAP_LINEAR,
                                     GLint mipmap_mag = GL_LINEAR,
                                     bool flip = true);
    static void active_texture(GLenum texture);
    static void bind_texture(GLenum target, unsigned int texture,
                             GLint wrapping = GL_REPEAT,
                             GLint filtering_min = GL_NEAREST,
                             GLint filtering_mag = GL_NEAREST,
                             GLboolean hasMipmap = GL_TRUE,
                             GLint mipmap_min = GL_LINEAR_MIPMAP_LINEAR,
                             GLint mipmap_mag = GL_LINEAR);
 
  private:
    static void set_texture_wrapping(GLint wrapping);
    static void set_texture_filtering(GLint filtering_min, GLint filtering_mag);
    static void set_mipmap(GLboolean has_mipmap, GLint mipmap_min,
                           GLint mipmap_mag);
    static void read_image(const char *path, bool flip);
};
 
} // namespace brenta