Function lf_create_texture_from_image_data

leif.c:2189–2212

}

void lf_create_texture_from_image_data(LfTextureFiltering filter, uint32_t* id, int32_t width, int32_t height, int32_t channels, unsigned char* data) {
  GLenum internal_format = (channels == 4) ? GL_RGBA8 : GL_RGB8;
  GLenum data_format = (channels == 4) ? GL_RGBA : GL_RGB;
  glGenTextures(1, id);
  glBindTexture(GL_TEXTURE_2D, *id); 

  // Set texture parameters
  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
  switch(filter) {
    case LF_TEX_FILTER_LINEAR:
      glTextureParameteri(*id, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
      glTextureParameteri(*id, GL_TEXTURE_MAG_FILTER, GL_LINEAR_MIPMAP_LINEAR);
      break;
    case LF_TEX_FILTER_NEAREST:
      glTextureParameteri(*id, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
      glTextureParameteri(*id, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
      break;
  }

  // Load texture data
  glTexImage2D(GL_TEXTURE_2D, 0, data_format, width, height, 0, data_format, GL_UNSIGNED_BYTE, data);
  glGenerateMipmap(GL_TEXTURE_2D);
}

void lf_free_texture(LfTexture* tex) {
  glDeleteTextures(1, &tex->id);