Image img = PngEncoder::New()->LoadImageFile("texture/test.png");
PixelArray pix = ImageToPixelArray(img);

// pixelformat
GLuint chan,fmt,id;
switch (pix.GetBPP())
{
case 24:
	chan = 3;
	fmt = GL_RGB;
	break;

case 32:
	chan = 4;
	fmt = GL_RGBA;
	break;

default:
	Exclamation("Unsupported texture BPP ("+FormatInt(pix.GetBPP())+")");
	return false;
}

glGenTextures(1,&id);
glBindTexture(GL_TEXTURE_2D, id);

glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);

gluBuild2DMipmaps(GL_TEXTURE_2D, chan, pix.GetWidth(), pix.GetHeight(), fmt, GL_UNSIGNED_BYTE, pix.Begin());
return true;