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1. Intel power gadget not showing all cores update#
2. Intel power gadget not showing all cores full#
3. Intel power gadget not showing all cores pro#
4. Intel power gadget not showing all cores mac#
5. Intel power gadget not showing all cores windows#

This was not possible with the old API we were using: Without Core Animation, we would have needed to create multiple NSViews, each with their own NSOpenGLContext, and then call flushBuffer on each context on every frame.

Intel power gadget not showing all cores update#

Secondly, Core Animation lets us display OpenGL rendering in multiple places within the window at the same time and update it in a synchronized fashion. Nevertheless, all major browsers on macOS now make use of this API.) It’s worth noting that the ability to assign an IOSurface to the CALayer contents property is not properly documented. (IOSurface is the macOS API which provides a handle to a GPU buffer that can be shared between processes. Then, when the window manager composites that CALayer onto the screen surface, it will read directly from our GPU buffer with no additional copies. However, it provides a number of other useful capabilities, which are almost as good and in some cases even better.įirst and foremost, Core Animation lets us share a GPU buffer with the window manager in a way that minimizes copies: We can create an IOSurface and render to it directly using OpenGL by treating it as an offscreen framebuffer, and we can assign that IOSurface to a CALayer. So, does Core Animation have an API which lets us indicate which areas inside an OpenGL context have changed? No, unfortunately it does not.

Intel power gadget not showing all cores windows#

Starting with macOS 10.14, all windows use Core Animation by default, as a way to share their rendering with the window manager. The layer tree defines the positions, sizes, and order of the layers within the window. These layers usually contain textures with some pixel content. Enter Core AnimationĬore Animation is the name of an Apple framework which lets you create a tree of layers ( CALayer). This turned out to be a problem despite the fact that these draws were fully hardware accelerated. So we were always redrawing the whole window on every change, and the window manager was always copying our entire window to the screen on every change. Firefox 69 was using the API described above.

Intel power gadget not showing all cores full#

This is a limitation which does not exist on Windows: On Windows, the corresponding API has full support for partial redraws.Įvery Firefox window contains one OpenGL context, which covers the entire window. The crucial limitation here is that flushBuffer gives you no way to indicate which parts of the OpenGL context have changed. This updates the screen with your rendered content. Apple’s OpenGL documentation recommends the following method of getting OpenGL content to the screen: You create an NSOpenGLContext, you attach it to an NSView (using -), and then you render to the context’s default framebuffer, filling the entire framebuffer with fresh content. The Firefox compositor on macOS makes use of hardware acceleration via OpenGL. Why was our compositor always redrawing the entire window? The main reason was the lack of convenient APIs on macOS for partial compositing. The improvements in Firefox 70 were the result of reducing the work in steps 2 and 3: In both steps, we were doing work for the entire window, even if only a small part of the window was updating. Step 3: The operating system’s window manager assembles all windows on the screen to produce the screen content. Step 2: The Firefox “compositor” assembles these Gecko layers to produce the rendering of the window. There are three major steps to getting pixels on the screen: Step 1: Firefox draws pixels into “Gecko layers”. Let’s take a brief look at how the Firefox compositing pipeline works.

Read on for the technical details behind these changes.

This makes my 2015 mbp without a dedicated dGPU become a power sipper compared to earlier builds. I usually try nightly builds every few weeks but end up going back to Edge Chromium or Chrome for speed and lack of heat.

Intel power gadget not showing all cores mac#

Charlie SiegelĪfter so many years, I have been able to use Firefox on my Mac – I used to test every Firefox release, and nothing had worked in the past. Thank you, I’m very happy to finally see Core Animation being implemented. Prior to this update I literally couldn’t use Firefox because it would spin my fans way up and slow down my whole computer.

Intel power gadget not showing all cores pro#

I’m seeing a huge improvement over here too (2015 13″ MacBook Pro with scaled resolutions on internal display as well as external 4K display). Users have reported much longer battery life, cooler machines and less fan spinning. The larger the Firefox window and the smaller the animation, the bigger the difference. In short, Firefox 70 improves power usage by 3x or more for many use cases. Power usage, in Watts, as displayed by Intel Power Gadget. As a result, Firefox 70 drastically reduces the power usage during browsing. This allows us to do less work per frame when only small parts of the screen change. In Firefox 70 we changed how pixels get to the screen on macOS.