[SDL 3.2.4 - Linux 64bit X11] SDL_SetWindowPosition failure

[sechshelme]

In the following test program, the window pops up briefly at the default location before jumping to the position specified with SDL_SetWindowPosition. I only added the delay as a test to see if that was the cause.

// gcc main.c -o main -lSDL3

#include <SDL3/SDL.h>

int main(int argc, char *argv[])
{
  int quit = 0;
    SDL_Window *win = SDL_CreateWindow("SDL3 Window", 640, 480, SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN);
    SDL_SetWindowPosition(win, 500, 500);
    SDL_Delay(1000); //  with test
    SDL_ShowWindow(win);
    SDL_Log("Version: %s", SDL_GetRevision());  
    SDL_Renderer *renderer = SDL_CreateRenderer(win, NULL);

  while (!quit) {
    SDL_Event ev;
    while (SDL_PollEvent(&ev) != 0) {
      switch(ev.type) {
        case SDL_EVENT_QUIT:
        quit = 1;
        break;
      }
    }
    SDL_SetRenderDrawColor(renderer, 20, 0, 0, 255);
    SDL_RenderClear(renderer);

    SDL_RenderPresent(renderer);
  }

  SDL_DestroyRenderer(renderer);
  SDL_DestroyWindow(win);
  SDL_Quit();
  return 0;
}

[slouken]

SDL/include/SDL3/SDL_video.h

Lines 1101 to 1103 in 5d1bbd9

	* If you intend to use this window with an SDL_Renderer, you should use
	* SDL_CreateWindowAndRenderer() instead of this function, to avoid window
	* flicker.

[sechshelme]

I have now changed it, but the problem still exists.
I have tried leaving out SDL_WINDOW_HIDDEN and SDL_ShowWindow(win);, but it doesn't help.

// gcc main.c -o main -lSDL3

#include <SDL3/SDL.h>

int main(int argc, char *argv[])
{
  int quit = 0;
//    SDL_Window *win = SDL_CreateWindow("SDL3 Window", 640, 480, SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN);
//    SDL_Renderer *renderer = SDL_CreateRenderer(win, NULL);
    SDL_Window *win;
    SDL_Renderer *renderer;

    SDL_CreateWindowAndRenderer("SDL3 Window", 640, 480, SDL_WINDOW_RESIZABLE | SDL_WINDOW_HIDDEN, &win, &renderer);

    SDL_SetWindowPosition(win, 500, 500);
    SDL_ShowWindow(win);
    SDL_Log("Version: %s", SDL_GetRevision());  


  while (!quit) {
    SDL_Event ev;
    while (SDL_PollEvent(&ev) != 0) {
      switch(ev.type) {
        case SDL_EVENT_QUIT:
        quit = 1;
        break;
      }
    }
    SDL_SetRenderDrawColor(renderer, 200, 200, 0, 255);
    SDL_RenderClear(renderer);

    SDL_RenderPresent(renderer);
  }

  SDL_DestroyRenderer(renderer);
  SDL_DestroyWindow(win);
  SDL_Quit();
  return 0;
}

System:
  Host: xxx-B660M-DS3H-DDR4 Kernel: 6.8.0-51-generic arch: x86_64 bits: 64
  Desktop: Cinnamon v: 6.4.6 Distro: Linux Mint 22.1 Xia
Machine:
  Type: Desktop Mobo: Gigabyte model: B660M DS3H DDR4 v: x.x
    serial: <superuser required> UEFI: American Megatrends LLC. v: F5
    date: 01/17/2022
CPU:
  Info: 12-core (8-mt/4-st) model: 12th Gen Intel Core i7-12700 bits: 64
    type: MST AMCP cache: L2: 12 MiB
  Speed (MHz): avg: 814 min/max: 800/4800:4900:3600 cores: 1: 800 2: 800
    3: 866 4: 800 5: 838 6: 800 7: 800 8: 800 9: 800 10: 800 11: 900 12: 800
    13: 800 14: 800 15: 800 16: 800 17: 800 18: 800 19: 881 20: 800
Graphics:
  Device-1: Intel AlderLake-S GT1 driver: i915 v: kernel
  Device-2: Generic HD camera driver: uvcvideo type: USB
  Display: x11 server: X.Org v: 21.1.11 with: Xwayland v: 23.2.6 driver: X:
    loaded: modesetting unloaded: fbdev,vesa dri: iris gpu: i915
    resolution: 3440x1440~60Hz
  API: EGL v: 1.5 drivers: iris,swrast platforms: x11,surfaceless,device
  API: OpenGL v: 4.6 compat-v: 4.5 vendor: intel mesa v: 24.0.9-0ubuntu0.3
    renderer: Mesa Intel UHD Graphics 770 (ADL-S GT1)
....