inline void dump(glm::mat4 m) {
for (int i = 0; i < 4; i++)
fprintf(stderr, "%f,%f,%f,%f\n", m[i][0], m[i][1], m[i][2], m[i][3]);
inline void dump(glm::mat4 m) {
for (int i = 0; i < 4; i++)
fprintf(stderr, "%f,%f,%f,%f\n", m[i][0], m[i][1], m[i][2], m[i][3]);