#include <stdexcept>
#include <SDL/SDL_image.h>
#include <SDL/SDL_opengl.h>
#include "texturesdl.h"

TextureSDL::TextureSDL(const char* filename) {
	SDL_Surface* image = IMG_Load(filename);
	
	width = image->w;
	height = image->h;
	
	if(image->format->BytesPerPixel == 4) {
		format = image->format->Bshift ? GL_RGBA : GL_BGRA;
	} else {
		format = image->format->Bshift ? GL_RGB : GL_BGR;
	}
	
	data = (unsigned char*)image->pixels;
	
	build();
	
	SDL_FreeSurface(image);
}