使用X时减少输入延迟

我最近一直在阅读有关输入延迟的几篇文章：

https://danluu.com/term-latency/

https://pavelfatin.com/typing-with-peleasure/

我一直在尝试改善小文本编辑器的用户体验。我正在使用SDL来池输入并创建窗口，但决定将其删除并执行我自己的X实现。应用程序启动有所改善，但输入延迟并不多。是否可以采取任何特定技术来改善我的应用程序如何从X拾取鼠标和键盘数据？还是我应该放弃并强迫Wayland？

我已经考虑在单独的线程上运行Xnextevent((循环，但这真的是唯一的解决方案吗？

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <math.h>
#include <time.h>
#include <sys/time.h>
#include <X11/Xlib.h>
#include <X11/XKBlib.h>
#include <GL/glx.h>
#include <GL/glext.h>
#include <GL/glu.h>
Display *dpy;
Window root, win;
GLint att[] = {GLX_RGBA, GLX_DEPTH_SIZE, 24, GLX_DOUBLEBUFFER, None};
XVisualInfo *vi;
Colormap cmap;
XSetWindowAttributes swa;
XWindowAttributes wa;
XEvent xev;
Mask mask;
float TimeCounter, LastFrameTimeCounter, DT, prevTime = 0.0, FPS;
struct timeval tv, tv0;
int Frame = 1, FramesPerFPS;
void CreateWindow() {
  if ((dpy = XOpenDisplay(NULL)) == NULL) {
    printf("ntcannot connect to x servernn");
    exit(0);
  }
  root = DefaultRootWindow(dpy);
  if ((vi = glXChooseVisual(dpy, 0, att)) == NULL) {
    printf("ntno matching visualnn");
    exit(0);
  }
  if ((cmap = XCreateColormap(dpy, root, vi->visual, AllocNone)) == 0) {
    printf("ntcannot create colormapnn");
    exit(0);
  }
  swa.event_mask = KeyPressMask;
  swa.colormap = cmap;
  win = XCreateWindow(dpy, root, 0, 0, 1024, 768, 0, vi->depth, InputOutput,
                      vi->visual, CWColormap | CWEventMask, &swa);
  XStoreName(dpy, win, "ed");
  XMapWindow(dpy, win);
}
void Close() {
  XDestroyWindow(dpy, win);
  XCloseDisplay(dpy);
  exit(0);
}
int main(int argc, char *argv[]) {
  CreateWindow();
  while (true) {
    mask = KeyPressMask | KeyReleaseMask | ButtonPressMask | ButtonReleaseMask;
    while (XCheckWindowEvent(dpy, win, mask, &xev) ||
           XCheckTypedWindowEvent(dpy, win, ClientMessage, &xev)) {
      char *key_string =
          XKeysymToString(XkbKeycodeToKeysym(dpy, xev.xkey.keycode, 0, 0));
      if (strncmp(key_string, "Escape", 5) == 0) {
        Close();
      }
    }
  }
}