ref: e0baf147d655409b721e41b0e3effabd39a96b34
dir: libgraphics/internal.h
/* alloc */ void *emalloc(ulong); void *erealloc(void*, ulong); Memimage *eallocmemimage(Rectangle, ulong); /* fb */ Framebuf *mkfb(Rectangle); void rmfb(Framebuf*); Framebufctl *mkfbctl(Rectangle); void rmfbctl(Framebufctl*); /* render */ void shade(Framebuf*, Scene*, Shader*); /* util */ int min(int, int); int max(int, int); void memsetd(double*, double, usize); /* nanosec */ uvlong nanosec(void);