void pixel_start(int w, int h, const char *start) {
lua_State *L = luaL_newstate();
luaL_checkversion(L);
lua_atpanic(L, _panic);
luaL_openlibs(L);
luaX_loader(L);
pixel_init(L);
pixel_log("version:%d\n", shader_version());
memset(&P, 0, sizeof P);
P.L = L;
P.fps = PIXEL_FPS;
P.w = w;
P.h = h;
P.s = 1.0f;
screen_init(P.w, P.h, P.s);
lua_pushcfunction(L, traceback);
int tb = lua_gettop(L);
if (LUA_OK != luaL_loadstring(L, start_script)) {
pixel_log("%s\n", lua_tostring(L, -1));
}
lua_pushstring(L, start);
if (LUA_OK != lua_pcall(L, 1, 0, tb)) {
pixel_log("lua_init:%s\n", lua_tostring(L, -1));
}
lua_pop(L, 1);
lua_getfield(L, LUA_REGISTRYINDEX, PIXEL_INIT);
lua_call(L, 0, 0);
assert(lua_gettop(L) == 0);
lua_pushcfunction(L, traceback);
lua_getfield(L, LUA_REGISTRYINDEX, PIXEL_UPDATE);
lua_getfield(L, LUA_REGISTRYINDEX, PIXEL_FRAME);
}
static int
lversion(lua_State *L) {
lua_pushinteger(L, shader_version());
return 1;
}