1.1 --- a/src/min3d.c	Sat Apr 05 09:05:26 2014 +0300
     1.2 +++ b/src/min3d.c	Sat Apr 05 18:31:00 2014 +0300
     1.3 @@ -165,6 +165,24 @@
     1.4  	m3d_frustum(-aspect * x, aspect * x, -x, x, nr, fr);
     1.5  }
     1.6  
     1.7 +static void xform4(float *mat, float *vec)
     1.8 +{
     1.9 +	float x = mat[0] * vec[0] + mat[1] * vec[1] + mat[2] * vec[2] + mat[3];
    1.10 +	float y = mat[4] * vec[0] + mat[5] * vec[1] + mat[6] * vec[2] + mat[7];
    1.11 +	float z = mat[8] * vec[0] + mat[9] * vec[1] + mat[10] * vec[2] + mat[11];
    1.12 +	float w = mat[12] * vec[0] + mat[13] * vec[1] + mat[14] * vec[2] + mat[15];
    1.13 +
    1.14 +	vec[0] = x;
    1.15 +	vec[1] = y;
    1.16 +	vec[2] = z;
    1.17 +	vec[3] = w;
    1.18 +}
    1.19 +
    1.20 +static void proc_vertex(struct min3d_vertex *v)
    1.21 +{
    1.22 +	struct min3d_vertex *tv;
    1.23 +}
    1.24 +
    1.25  /* drawing */
    1.26  void m3d_draw(int prim, const float *varr, int vcount)
    1.27  {