1487412 - Off-screen animation throttling causes stuttering in 3D transform animation

Status: NEW

(Core :: DOM: Animation, enhancement, P2)

Description

[Miko Mynttinen]

Off-screen animation throttling causes considerable stuttering in the 3D transforms demo: https://keithclark.co.uk/labs/css-fps/nojs/

For whatever reason, this is more noticeable on Windows. On MacOS, the stuttering starts in the middle of the second "scene".

Profile of throttling happening at around seven second mark: https://perfht.ml/2PLUy2W

Setting pref dom.animations.offscreen-throttling;false makes the stuttering go away.

Comment 1

[Miko Mynttinen]

This might be a duplicate of bug 1424506. Hiro, could you please take a look at this?

Comment 2

[Boris Chiou [:boris]]

This might be related to Bug 779598 (i.e. we cannot run preserve-3d off the main thread).

Comment 3

[Boris Chiou [:boris]]

(In reply to Boris Chiou [:boris] from comment #2)

This might be related to Bug 779598 (i.e. we cannot run preserve-3d off the main thread).

Unfortunately, Bug 779598 doesn't help. We still have to find the root cause. Maybe we can tweak some for offscreen throttling stuff for cases like this.

Comment 6

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Comment 8

[tedclass]

Off-screen animation throttling is a technique used by web browsers to optimize performance by reducing the amount of work required to render animations that are not currently visible on the screen. However, this technique can sometimes cause stuttering or other issues in 3D transform animations.

To address this issue, you can try the following solutions:

Use the will-change property: The will-change property tells the browser that an element is going to be transformed, allowing the browser to optimize its rendering. You can add the will-change property to the CSS of the element that is being transformed, like this: will-change: transform;.

Use the transform-style property: The transform-style property allows you to specify how child elements are rendered in relation to their parent element. By setting this property to "preserve-3d", you can improve performance and reduce stuttering in 3D transform animations. Add the following CSS to the parent element: transform-style: preserve-3d;.

Use a requestAnimationFrame loop: The requestAnimationFrame loop is a JavaScript function that allows you to synchronize your animations with the browser's rendering engine. By using this function, you can ensure that your animations are smooth and consistent, even when off-screen animation throttling is in effect. Here is an example of how to use the requestAnimationFrame function:

function animate() {
// Update your animation properties here
requestAnimationFrame(animate);
}
animate();
By implementing these solutions, you can reduce stuttering and improve the performance of your 3D transform animations, even when off-screen animation throttling is in effect.

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Comment 9

[foxdealer]

Off-screen animation throttling can cause stuttering in 3D transform animations because it limits the frame rate of the animation. When an animation is off-screen, the browser may throttle the animation to conserve resources and reduce battery usage. This can result in a lower frame rate and stuttering in the animation.

To avoid stuttering in 3D transform animations, you can try the following:

Use hardware acceleration: Hardware acceleration can help improve the performance of 3D transform animations. You can enable hardware acceleration in your browser settings or by using the CSS transform: translateZ(0) property.

Optimize your animation: Simplifying your animation can help reduce the workload on the browser and improve performance. You can try reducing the number of elements being animated, minimizing the use of complex CSS transitions, or using simpler 2D transforms instead of 3D transforms.

Use requestAnimationFrame: Using the requestAnimationFrame method can help synchronize your animation with the browser's rendering engine and improve performance. This method schedules the animation to run during the next frame update, ensuring a smooth and consistent animation.

Avoid off-screen animations: If possible, try to keep your animations on-screen to avoid off-screen animation throttling. You can use CSS visibility or opacity properties to hide elements instead of using display: none.

By implementing these techniques, you can help improve the performance of your 3D transform animations and reduce stuttering. [url=https://www.kdealer.one/]KDealer[/url]

Comment 10

[foxdealer]

Off-screen animation slowing can make 3D turn animations stutter because it slows down the animation's frame rate. When an image is off-screen, the browser may slow it down to save resources and keep the battery from running down. This can slow down the frame rate and make the image jump around.

You can try the following to stop 3D change movements from stuttering:

Use hardware acceleration. Using hardware acceleration can help 3D turn images work better. You can use your browser's settings or the CSS transform: translateZ(0) property to turn on hardware acceleration.

Optimise your animation. Making your animation simpler can help the computer do less work and run faster. You can try lowering the amount of animated elements, using less complicated CSS transitions, or using 2D transforms instead of 3D transforms, which are more complicated.

Use requestAnimationFrame: The requestAnimationFrame way can help your motion work better with the browser's rendering engine. This way sets up the animation to run when the next frame is updated. This makes sure that the animation runs smoothly and consistently.

Avoid movements that happen off-screen. If you can, try to keep your animations on-screen to keep them from being slowed down. You don't have to use display: none to hide items. Instead, you can use the visibility or opacity features of CSS.

By using these methods, you can make your 3D change animations run better and stop them from stuttering.
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Comment 12

[davidfed]

Off-screen animation throttling can indeed lead to stuttering or less smooth animations, particularly when dealing with complex 3D transform animations. This issue often occurs when the GPU (Graphics Processing Unit) or CPU (Central Processing Unit) is unable to render and update the animation frames at the desired frame rate. To address this problem, you can consider the following solutions:

1. Optimize Your Animation:

Simplify your 3D transform animations, especially if they involve complex or resource-intensive transformations. Reducing the complexity can lighten the rendering load.
2. Reduce the Number of Elements Being Animated:

Limit the number of elements on the page that are undergoing 3D transform animations. Having too many animated elements can strain system resources.
3. Hardware Acceleration:

Ensure that your animations are utilizing hardware acceleration. This offloads rendering tasks to the GPU, which is better suited for complex graphics rendering.
4. Use the will-change Property:

The will-change CSS property can be applied to elements that will undergo transformations, giving the browser a hint that these elements will be animated. This allows the browser to optimize the rendering of these elements.
5. Throttle or Debounce Non-Essential Animations:

If your page contains multiple animations, consider using throttling or debouncing techniques for non-essential animations. Throttling limits the rate at which a function can be executed, which can prevent overloading the CPU.
6. Monitor Resource Usage:

Use browser developer tools to monitor resource usage (CPU and GPU) while the animation is running. This can help identify performance bottlenecks and guide your optimization efforts.
7. Prioritize Animations:

Prioritize critical animations that provide essential user feedback or interactions. Allocate more resources to these animations to ensure they run smoothly.
8. Test on Different Devices and Browsers:

Performance can vary across different devices and web browsers. Test your animations on a range of devices and browsers to ensure a consistent user experience.
9. Experiment with CSS Transitions:

In some cases, CSS transitions may provide smoother animation performance compared to CSS animations. Experiment with transitions to see if they better suit your needs.
10. Consider Using a JavaScript Animation Library:

• If you require highly complex or interactive animations, consider using a JavaScript animation library like GreenSock (GSAP) or Three.js. These libraries are optimized for animation and provide greater control over rendering.

11. Check for Memory Leaks:

• Memory leaks can degrade performance over time. Use browser profiling tools to check for memory leaks in your JavaScript code.

12. Update Graphics Drivers:

• Ensure that your GPU drivers are up-to-date, as outdated drivers can cause performance issues.

Addressing stuttering in 3D transform animations often involves a combination of optimizing your animations, using the right tools and techniques, and ensuring that your hardware and software configurations are up to date. It may require some experimentation to find the optimal balance between visual complexity and performance. https://www.myfedloan.me/

Comment 13

[halldavid]

When off-screen animation throttling causes stuttering in 3D transform animations, it's likely due to performance optimization techniques implemented by web browsers. Browsers often prioritize on-screen content for smooth rendering while limiting off-screen animations to conserve system resources. However, this can sometimes result in animation stuttering when content enters or exits the viewport.

Here are some strategies to address this issue and achieve smoother 3D transform animations:

Reduce Animation Complexity:

Simplify your 3D transform animations by minimizing the number of elements, layers, and transformations involved. Complex animations can tax system resources, leading to stuttering.
Use Hardware Acceleration:

Ensure that your 3D transform animations are hardware-accelerated whenever possible. This allows the GPU to handle rendering, leading to smoother performance. You can use CSS properties like transform and will-change to trigger hardware acceleration.
css
Copy code
.your-element {
transform: translateZ(0);
will-change: transform; /* This hints the browser to use hardware acceleration */
}
Optimize for Visibility:

If possible, trigger your 3D transform animations only when elements are within the viewport. You can use JavaScript to detect when elements enter the viewport and then start the animation.
Throttle Animations:

Instead of running animations continuously, throttle them to run at a lower frame rate when they are off-screen. This reduces the strain on system resources. Libraries like requestAnimationFrame can help achieve smooth throttled animations.
CSS translate3d():

When using CSS transitions or animations, consider using translate3d() for 2D translations as well. While it's intended for 3D transforms, modern browsers often optimize 2D translations with it as well.
css
Copy code
.your-element {
transform: translate3d(0, 0, 0);
}
Optimize the DOM:

Ensure that your DOM structure is efficient. Elements that are frequently animated or manipulated should be designed for performance. Minimize layout reflows and repaints.
Test on Different Browsers:

Performance can vary across different web browsers. Test your animations on multiple browsers to see if the stuttering occurs consistently or is browser-specific.
Consider Web Workers:

For very complex or resource-intensive animations, consider offloading the animation work to a web worker to run in the background. This can prevent animation stuttering from affecting the main thread.
Monitor Performance:

Use browser developer tools to monitor your animation's performance. This can help you identify specific performance bottlenecks and areas for improvement.
Update Browser and GPU Drivers:

Ensure that you are using the latest version of your web browser and that your GPU drivers are up to date. Browser updates often include performance improvements and bug fixes.
By implementing these strategies, you can optimize your 3D transform animations to reduce stuttering and deliver a smoother user experience, even when off-screen animation throttling is in effect. https://www.ehallpass.website/

Comment 14

[davidpay]

Throttling or stuttering in 3D transform animations can occur when the browser's rendering engine struggles to keep up with the animation, resulting in a less smooth animation experience. This can be caused by various factors, including inefficient code, excessive use of resources, or a lack of hardware acceleration. Here are some steps you can take to address this issue:

Optimize Your Code:

Review the code responsible for the 3D transform animation. Ensure that it is efficient and well-optimized. Inefficient code can lead to performance issues.
Minimize unnecessary calculations or updates during the animation loop. Only update properties that are essential for the animation.
Use Hardware Acceleration:

Hardware acceleration can significantly improve the performance of 3D transform animations. Ensure that the CSS property transform or translate3d is used for the animation, as these properties are more likely to be hardware-accelerated.
You can force hardware acceleration using the CSS transform property with a translateZ(0) or translate3d(0,0,0) value. For example:
css
Copy code
.animated-element {
transform: translate3d(0, 0, 0);
}
Limit the Use of Animations:

Avoid having too many elements with complex animations on the same page. Each animation consumes resources, and having too many can lead to performance issues.
Consider reducing the number of elements with 3D transforms or simplifying their animations if possible.
Debounce or Throttle Animations:

You mentioned "off-screen animation throttling," which suggests that animations might be running even when elements are not visible on the screen. Consider using a debounce or throttle mechanism to control when animations are active, especially for elements that are not in the viewport.
Libraries like requestAnimationFrame can help control the animation frame rate and prevent excessive updates.
Optimize Images and Assets:

If your animation includes images or other assets, make sure they are optimized for the web. Large image files can contribute to performance issues.
Use modern image formats like WebP and serve appropriately sized images based on the device's screen resolution.
Consider Using CSS Transitions:

In some cases, CSS transitions may be a more suitable choice for simple animations. Transitions are often smoother than complex keyframe animations, especially for small transformations.
Profile and Debug:

Use browser developer tools to profile and debug your animation. These tools can help identify performance bottlenecks, excessive repaints, or layout issues.
Pay attention to the rendering timeline in developer tools to see if there are any spikes or delays during the animation.
Update Browsers and Graphics Drivers:

Ensure that you are using an up-to-date web browser and that your graphics drivers are also up to date. Outdated software can lead to performance problems.
By following these steps and optimizing your 3D transform animation code, you should be able to reduce or eliminate stuttering and achieve a smoother animation experience. Remember to test your animations on various devices and browsers to ensure compatibility and performance consistency. https://www.paybyplatema.life/

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