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From https://docs.flutter.dev/perf/impeller: Impeller provides a new rendering runtime for Flutter. The Flutter team’s believes this solves Flutter’s early-onset jank issue. Impeller precompiles a smaller, simpler set of shaders at Engine build time so they don’t compile at runtime. Impeller has the following objectives: - Predictable performance: Impeller compiles all shaders reflection and offline at build time. It builds all pipeline state objects upfront. The engine controls caching and caches explicitly. - Instrumentable: Impeller tags and labels all graphics resources like textures, and buffers. It can capture and persist animations to disk without affecting per-frame rendering performance. - Portable: Flutter doesn’t tie Impeller to a specific client rendering API. You can author shaders once and convert them to backend-specific formats as necessary. - Leverages modern graphics APIs: Impeller uses, but doesn’t depend on, features available in modern APIs like Metal and Vulkan. - Leverages concurrency: Impeller can distribute single-frame workloads across multiple threads if necessary. Signed-off-by: Adam Duskett <adam.duskett@amarulasolutions.com> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com> |
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Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches