Hits to frametimes, as well as puts increased pressure on the GPU’s That SurfaceFlinger (the higher-priority task that drives the AndroidĬompositor) both regularly preempts the application’s work causing 1-3ms When running shipping titles on the Pixel 4XL, we have seen If your application is GPU bound, then the Android CompositorĬan also preempt your application's GPU work, causing additional performance The increased GPU usage by the Android Compositor (which is usually running at aīoosted frequency). If your application is CPU bound, this becomes a power issue due to Even if there is a DPU to takeĬare of this for you, there will still likely be a measurable performance penalty Handled outside of the application will be free. There isn't currently a way for an application to know whether surface rotation The application itself can handle the surface rotation by rendering a rotated image onto a render surface that matches the current orientation of the display.The Android OS can handle surface rotation by adding a compositor pass that will have a performance cost depending on how the compositor has to deal with rotating the output image.The device has a Display Processing Unit (DPU) that can efficiently handle surface rotation in hardware.Handle reconciling the render surface of the device with the device orientation: Currently, there are 3 ways that Android can One of these is device orientation and its relationship to
With that power comes some new responsibilities you'reĮxpected to implement things explicitly that were handled by the driver in Vulkan allows you to specify much more information about rendering state
In your Vulkan application by implementing pre-rotation. This article describes how to efficiently handle device rotation
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