jeexjeexa shaashadda waa dhibaato caadi ah oo ka dhacda bandhigyada fiidyowga. Xagga farsamada, waxay dhacdaa marka bandhiggu muujiyo sawirro laga soo qaaday meelo badan hal mar. Laakiin waxaa jira xoogaa dheeraad ah oo lagu eegayo jeexjeexa shaashadda oo aan ahayn taas. 

Si aad u fahamto jeexjeexa shaashadda, waa inaad fahamtaa sida kormeerayaashu u muujiyaan sawirrada.

Sida Kormeerayaashu u shaqeeyaan

Si aad u fahamto waxa ay tahay jeexjeexa shaashadda, waxaad u baahan tahay inaad fahamto sida kormeerayaashu u muujiyaan macluumaadka. Shaashadda jireed waxay u qaybsantaa pixels, pixels kastaa wuxuu muujin doonaa casaan, cagaar ama buluug. Kumbiyuutarku wuxuu u sheegaa kormeeraha inta midab kasta uu muujinayo.

Sawirada waxaa loo soo bandhigay sidii hal, qaab wali ah ka dibna dib loo sawiray marar badan iyadoo isbedelo yar yar oo muujinaya dhaqdhaqaaqa. Xawaaraha sawirka cusub lagu sawiray waxaa loo tixraacaa heerka dib u soo kicinta. 

Inta badan kormeerayaasha casriga ahi waxay leeyihiin heerka soo kicinta ee 60 Hz, taas oo macnaheedu yahay inay dib u soo kiciyaan 60 jeer ilbiriqsikii. Kormeerayaasha waxqabadka sare waxay ku soo celiyaan xawaare sare, ilaa 360 jeer ilbiriqsikii. 

Aaladda gacanta ku haysa soo-bandhigidda waxa loo yaqaan unugga farsamaynta garaafyada, ama GPU -ga . Tan waxaa badanaa loo yaqaan kaadhka garaafyada. Motherboard-yada intooda badani waxay leeyihiin GPU -yo ku-dhisan (ama isku-dhafan), halka mishiinnada-ku-jeedka ciyaaraha ay u baahan yihiin ^(GPUs)GPU -go'an (ama kala-saar) . 

Isdhexgalka u dhexeeya GPU -ga iyo kormeeraha ayaa ah waxa sababa dillaaca shaashadda.

Waa maxay Jeexitaanka Shaashada?

jeexjeexa shaashadda waxay dhacdaa marka kormeeruhu uu ka baxay la shaqaynta GPU -ga . Kormeeruhu isla markaaba ma sameeyo sawiro, oo haddii uu sawir cusub ka helo GPU -ga inta uu wali ku gudo jiro samaynta sawirkiisa hadda, waxa uu bilaabayaa in uu sameeyo sawir cusub oo wata macluumaadka cusub.

Tani waxay keenaysaa sawirro isku dhafan, ama shaashad jeexan. In kasta oo ay tani dhacdo marka kormeeraha iyo GPU -gu aanay isla jaanqaadinayn, dhib ma laha haddii kormeeruhu u soo cusboonaysiiyo si ka dhakhso badan ama ka gaabiya GPU^(GPU) -ga . Farqiga xawaaruhu waa ku filan yahay in la abuuro jeexjeexa shaashadda.

Shaashada jeexjeexan had iyo jeer uma fududa sida sawirka oo wax yar ka baxay habayntiisa. Xaaladaha qaarkood, waxay u muuqan doontaa wax yar oo qalloocan shaashadda, sida sawirka kore. Xaalado kale, midabada lama toosin doono ama cidhifyada sawirku way lumi doonaan.

GPU - gu waxa uu u baahan yahay in uu ku soo diro sawiro cusub xawli badan oo ka mid ah heerka soo kicinta kormeeraha, ama waxa uu u baahan yahay in uu ahaado qayb 1/X ee heerka soo kicinta. Furaha dagaalka jeexjeexa shaashadda waa in la ilaaliyo GPU -da iyo kormeeraha midba midka kale. 

Sida Loola Dagaalamo Jeexitaanka Shaashada

Waxaa jira dhowr siyaabood oo lagu joojin karo jeexjeexa shaashadda (ama ugu yaraan, yaree.) G-Sync iyo FreeSync labaduba^{(G-Sync and FreeSync)} waxay kaa caawin karaan yareynta ama gebi ahaanba baabi'inta jeexjeexa shaashadda khibradaada ciyaaraha. Labada adeegba waxay sameeyaan tan iyagoo isticmaalaya VESA's Adaptive V-Sync technology. 

G-Sync waa mid ka mid ah siyaabaha ugu waxtarka badan ee lagula dagaallamo jeexjeexa shaashadda, laakiin waxay leedahay shuruudo farsamo oo gaar ah. Si aad u noqoto mid gaar ah, waa inaad haysataa kaadhka sawirada NVIDIA si aad u isticmaasho ^(NVIDIA)G-Sync . 

G-Sync waxay ku qasbeysaa kormeeraha iyo GPU -gu inay isku mid noqdaan. Tani waxay hubinaysaa in jir cusub la sawiri doono kaliya marka kan ugu dambeeya la dhammeeyo. Waxaas oo dhami waxay ka dhacaan waxa loo yaqaan “frame buffer. "Freemes^{(” Frames)} waxaa lagu riixaa shaashadda kaliya marka ay dhammeeyaan, taas oo gebi ahaanba ka hortagaysa jeexjeexa shaashadda.

FreeSync waxay la mid tahay G-Sync , laakiin waa adeegga nooca AMD . Natiijo ahaan, waxaad u baahan doontaa kaadhka fiidiyowga ee AMD . FreeSync waxay^(FreeSync) la midaysaa heerka cusboonaysiinta kormeeraha iyo qaabka ciyaarta aad ciyaareyso. Tani waxay ka dhigan tahay in ciyaaraha fudud aysan u baahnayn FreeSync gabi^(FreeSync) ahaanba, halka cinwaano badan oo baahi badan laga yaabo inay ku qasbi karaan heerka soo cusboonaysiinta kormeeraha inuu hoos uga dhaco heerka ugu yar ee soo kicinta.

Magdhaw Qaabdhismeedka Hoose

Tani waxay suurtogal u tahay shay loo yaqaan magdhow qaabaysan oo hooseeya, tignoolajiyada magdhowga marka kormeerayaashu hoos uga dhacaan heerka ugu yar ee loogu talagalay. 

Si kastaba ha ahaatee, waxaa jira qaar ka mid ah cilladaha. Halka G-Sync loogu talagalay in lagu baabi'iyo jeexjeexa shaashadda, caadi ahaan waxay ku timaadaa qiime sare sababtoo ah qiimaha qaybaha ku lug leh. FreeSync waa ka qaalisan yahay, laakiin waxay isticmaashaa VESA Adaptive-Sync oo had iyo jeer ma aha mid waxtar leh. 

What is Screen Tearing and How to Prevent It?

Screen tearing iѕ a commоn problem that occurs in video diѕplays. In teсhnical terms, it tаkes place when the display shows imageѕ from multiple frames at oncе. But there’s a bit more to screen tearing than that. 

In order to understand screen tearing, you have to understand how monitors display images.

How Monitors Work

To understand what screen tearing is, you need to understand how monitors display information. The physical screen is divided into pixels, and each pixel will show either red, green, or blue light. The computer tells the monitor how much of each color to display.

Images are displayed as a single, still frame that is then re-drawn over and over again with minor changes that depict motion. The speed with which this new image is drawn is referred to as the refresh rate. 

The majority of modern monitors have a 60 Hz refresh rate, which means they refresh 60 times per second. Higher-performance monitors refresh at higher speeds, up to 360 times per second. 

The device that controls the display is known as the graphics processing unit, or the GPU. This is often referred to as a graphics card. Most motherboards have built-in (or integrated) GPUs, while gaming-oriented machines require a dedicated (or discrete) GPU. 

The interplay between the GPU and the monitor is what causes screen tearing.

What is Screen Tearing?

Screen tearing happens when the monitor is out of sync with the GPU. The monitor does not render images instantly, and if it receives a new image from the GPU while it’s still in the process of rendering its current image, it will start to render a new image with the new information.

This results in a mixture of images, or a torn screen. While this happens when the monitor and GPU are not in sync, it doesn’t matter if the monitor refreshes faster or slower than the GPU. The difference in speeds is sufficient to create screen tearing.

A torn screen is not always as simple as an image that is slightly out of sync. In some cases, it will manifest as slight distortion on screen, like the image above. In other cases, colors will not be aligned or the edges of an image will stutter.

The GPU needs to send new images at a speed that is a multiple of the monitor’s refresh rate, or it needs to be a 1/X fraction of the refresh rate. The key to fighting screen tearing is to keep the GPU and the monitor in sync with one another. 

How to Combat Screen Tearing

There are several ways to stop screen tearing (or at the very least, minimize it.) Both G-Sync and FreeSync can help reduce or completely eliminate screen tearing from your gaming experience. Both services do this by using VESA’s Adaptive V-Sync technology. 

G-Sync is one of the most effective ways to combat screen tearing, but it has specific technical requirements. To be specific, you have to have an NVIDIA graphics card in order to utilize G-Sync. 

G-Sync forces the monitor and the GPU to sync with one another. This ensures that a new frame will only be drawn when the last one is completed. All of this takes place in what is known as the “frame buffer.” Frames are pushed onto the display only when they’re finished, which entirely prevents screen tearing.

FreeSync is similar to G-Sync, but is AMD’s version of the service. As a result, you will need an AMD video card. FreeSync synchronizes the monitor’s refresh rate with the framerate of the game you’re playing. This means that simple games may not need FreeSync at all, while more demanding titles may force the monitor’s refresh rate to drop below its minimum refresh rate.

Low Framerate Compensation

This is possible due to something known as low framerate compensation, a technology that compensates for when monitors drop below their minimum intended refresh rate. 

However, there are certain downsides. While G-Sync is designed to eliminate screen tearing, it typically comes at a higher cost due to the price of components involved. FreeSync is less expensive, but uses VESA Adaptive-Sync and isn’t always as effective. 

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