[Original] Out of the misunderstanding of anti-aliasing

xiaoxiao2021-03-06  39

It is undeniable that the article published in the Tenth No. 10 of "Personal Computer" magazine, the author of the author of the author of the author, "The Misunderstanding of the Speed" is an excellent technical article, which explains the 3D picture from the comparative perspective. The cause of the cause, the principle of anti-aliasing technology, and introduces the solutions of major display chip vendors, with high readability. The author shows such a view at the beginning of the article: using anti-aliasing technology is an alternative solution to improve the resolution to enhance the picture quality. That is, if the performance of the graphics card can draw a high-resolution 3D image, and the display can display it correctly, the anti-aliasing technology does not appear, even if there is no use. The authors believe that in order to achieve the effect of the 3D picture reach the effect of 1600 × 1200 resolution, the full-screen anti-aliasing of a particular depth can be opened at 1024 × 768 resolution. From my personal point of perspective, I don't agree with the author's statement. I hope to express my opinion on this issue through this article and communicate with the author and the readers. First of all, from the author's words: "... If your monitor and graphics can be easily run in the game, you will use full-screen anti-aliasing technology?" (See p321 In the middle, we assume that there is a powerful graphics card that can run any 3D program that supports this resolution with 3200 × 2400 resolution without opening the full-screen anti-aliasing conditions. We also have a powerful CRT. Display (in view of the fixed resolution of the LCD display and specialty, this article is not discussed), its bandwidth is sufficient to display the screen with a 3200 × 2400 resolution, then we have a 3D program supporting a variety of resolution modes. . The entire system supporting the above display subsystem is extremely powerful, and any part of its components do not cause any bottlenecks to run the above. Under this ideal, we run this 3D program with a 3200 × 2400 resolution. The result is ideal, and the program is running very smooth. The problem we want to discuss is not whether such systems and software exists, but what such a display is like. We know that the best resolution of the 15-inch CRT display is 800 × 600, 17 inches of 1024 × 768, 19 inches 1280 × 960 ... Because in these resolutions, the standard fonts in the Windows system are 8 The size of the number / 9 (or small five) is not small, and there is no sense of grain. If you have a CRT display of 15 inches, I believe that you will have this experience: from the boot self-test, the displayed picture is not as fine, and the larger the display, the larger the display. This is the case. This is because the display works in VGA (640 × 480) before entering the Windows system. After entering Windows, Windows loads the graphics driver, which further adjusts a resolution than a value higher than VGA, this time The display screen is finer. Similarly, if you have used a high-end CRT display, such as a 17-inch display that can work at 85 Hz with a resolution of 1600 × 1200 (or higher), you open a 3D game, such as a first person Shooting game, I believe that you will not set the resolution to 640 × 480, because in the picture rough, at this time, you hold the hand of the pistol in the game, occupy a picture of nearly 1/3.

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