public static Texture2D FromStream(Stream stream)
{
if (DDS.StreamIsDDS(stream))
{
return((Texture2D)DDS.FromStream(stream));
}
else
{
/* Read full stream */
int len = (int)stream.Length;
byte[] b = new byte[len];
int pos = 0;
int r = 0;
while ((r = stream.Read(b, pos, len - pos)) > 0)
{
pos += r;
}
/* stb_image it */
int x, y, comp;
Stb.stbi_set_flip_vertically_on_load(1);
var data = Stb.stbi_load_from_memory(b, out x, out y, out comp, Stb.STBI_rgb_alpha);
unsafe
{
fixed(byte *d = data)
{
int j = 0;
for (int i = 0; i < data.Length; i += 4)
{
var R = d[i];
var G = d[i + 1];
var B = d[i + 2];
var A = d[i + 3];
d[j++] = B;
d[j++] = G;
d[j++] = R;
d[j++] = A;
}
}
}
var t = new Texture2D(x, y, false, SurfaceFormat.Color);
t.SetData(data);
return(t);
}
}
