void gen_clipmat(void)
{
// return;
mat4_t modelview;
mat4_t proj;
/* Get the modelview and projection matricies from GL */
glGetFloatv(GL_MODELVIEW_MATRIX, (GLfloat*)&modelview);
glGetFloatv(GL_PROJECTION_MATRIX, (GLfloat*)&proj);
/* Multiply to get clip coordinate transformation */
mat4_mmult(proj, modelview, clipmat);
}
static void
gen_clipmat(r_context_t *c)
{
mat4_t modelview;
mat4_t proj;
/* Get the modelview and projection matricies from GL */
glGetFloatv(GL_MODELVIEW_MATRIX, modelview);
glGetFloatv(GL_PROJECTION_MATRIX, proj);
/* Multiply to get clip coordinate transformation */
mat4_mmult(proj, modelview, c->clipmat);
}