7709dc8cf6
This commit implements several key optimisations in megabuffering that are all inherently interlinked. - Megabuffering is moved from per-buffer to per-view copies, this makes megabuffering possible for small views into larger underlying buffers which is often the case with even the simplest of games, - Megabuffering is no longer the default option, it is only enabled for buffer views that have had inline GPU writes applied to them in the past as that is the only case where they are beneficial. In any other case the cost of copying, even with a 128KiB limit can be significant. - With both of these changes, there is now possibility for overlapping views where one uses megabuffering and one does not. In order to allow GPU inline writes to work consistently in such cases a system of 'host immutability' has been implemented, when a buffer is marked as host immutable for a given cycle, all writes to the buffer from that point to the point the cycle is signalled will be performed on the GPU, ensuring that the backing contents are correctly sequenced |
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| .idea | ||
| app | ||
| gradle/wrapper | ||
| .gitignore | ||
| .gitmodules | ||
| build.gradle | ||
| BUILDING.md | ||
| CONTRIBUTING.md | ||
| gradle.properties | ||
| gradlew | ||
| gradlew.bat | ||
| LICENSE.md | ||
| README.md | ||
| settings.gradle | ||
Contributing Guide • Building Guide
Skyline is an experimental emulator that runs on ARMv8 Android™ devices and emulates the functionality of a Nintendo Switch™ system, licensed under Mozilla Public License 2.0
Contact
You can contact the core developers of Skyline at our Discord. If you have any questions, feel free to ask. It's also a good place to just keep up with the emulator, as most talk regarding development goes on over there.
Special Thanks
A few noteworthy teams/projects who've helped us along the way are:
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Ryujinx: We've used Ryujinx for reference throughout the project, the accuracy of their HLE implementations of Switch subsystems make it an amazing reference. The team behind the project has been extremely helpful with any queries we've had and have constantly helped us with any issues we've come across. It should be noted that Skyline is not based on Ryujinx.
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yuzu: Skyline's shader compiler is a fork of yuzu's shader compiler with Skyline-specific changes, using it allowed us to focus on the parts of GPU emulation that we could specifically optimize for mobile while having a high-quality shader compiler implementation as a base. The team behind yuzu has also often helped us and have graciously provided us with a license exemption.
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Switchbrew: We've extensively used Switchbrew whether that be their wiki with its colossal amount of information on the Switch that has saved us countless hours of time or libnx which was crucial to initial development of the emulator to ensure that our HLE kernel and sysmodule implementations were accurate.
Disclaimer
- Nintendo Switch is a trademark of Nintendo Co., Ltd
- Android is a trademark of Google LLC