I am trying to make a pixel-art 2d platformer in Pygame-CE. When I use a standard pygame display, the pixels come out as blurry: Image upscaled to remove any filtering Minimal Reproducible Example: #Import everything import pygame, sys from pygame.locals import QUIT #Pygame display setup pygame.init() screen = pygame.display.set_mode((500, 500)) clock = pygame.time.Clock() #Load the image grid_border = pygame.transform.scale(pygame.image.load('IMAGE.png'), (48, 48)).convert_alpha() #You will need to add your own 24x24 or 48x48 image or you can change the transform dimensions for other images. #Main loop while True: #Quit if you press the x for event in pygame.event.get(): if event.type == QUIT: pygame.quit() sys.exit() #Fills the screen and then prints the image screen.fill("white") screen.blit(grid_border, (100, 100)) #Updates the screen and finishes the loop pygame.display.flip() clock.tick(60) When I add this code after the pygame display setup to enable high DPI rendering on windows, the image is no longer blurry on the screen and loads at it's original resolution: if sys.platform == 'win32': # On Windows, the monitor scaling can be set to something besides normal 100%. # PyScreeze and Pillow needs to account for this to make accurate screenshots. # TODO - How does macOS and Linux handle monitor scaling? import ctypes try: ctypes.windll.user32.SetProcessDPIAware() except AttributeError: pass # Windows XP doesn't support monitor scaling, so just do nothing. This is what the screen looks like now: Image upscaled to remove filtering However, this solution only works on Windows. I looked at other pages to see if there were any existing solutions for this. 1. (https://github.com/pygame-community/pygame-ce/issues/1456) This page had the same issue as me and found the same solution as me - there is no way to enable high DPI rendering for pygame-ce on MacOS/Linux. However, this page was outdated by a few years so I am deciding to post the question again to see if there are any solutions now. Using the pygame.window class does not work in my situation due to a lack of vsync causing major screen tearing. 2. I looked at the official pygame docs. I could not find anything about high DPI rendering. These are the only pages I could find that related to my question. I am fine with any solution that removes the blurry rendering, not just solutions that enable high-DPI rendering on other platforms. I do, however, want the solution to work on all three major platforms (Windows, MacOS, Linux). Continue reading...
