Gabriel Wang

@kisvegabor will you merge this PR first, so I can try them?

@kisvegabor Please find the test result below. In `LV_DEMO_BENCHMARK_MODE_RENDER_ONLY` mode: | LV_DEF_REFR_PERIOD | Weighted FPS | | ------------------ | ------------ | | 33 | 194 | | 2 | 212...

@kisvegabor will have a try. But his so-called bug limits the FPS to no more than 50FPS. I have doubts about it.

Placeholder: - Introduce 9patch-images widgets/style - Introduce an option to replace RGB565 with RGB565-A8 when `LV_COLOR_DEPTH` to `16` in benchmark - Introduce a pipeline in renderer to support multi-GPUs/Accelerators, such...

@kisvegabor sure, we can do this in 8.3.

@kisvegabor did you forget the 9paches-image widgets?

@kisvegabor Once you make this happen, please could you also update the PDSC file? https://github.com/lvgl/lvgl/blob/61048554914eee36630f492ebe4e4742b51fa2c1/env_support/cmsis-pack/LVGL.lvgl.pdsc#L444-L474

@kisvegabor OK, no problem. I use the latest lv_conf_template.h whenever I create a non-alpha version. So don't worry.

This porting is using the latest cmsis-pack v0.8.3 (https://github.com/lvgl/lvgl/pull/3021)

Cortex-M55 is used in some SoC, in the public domain, Samsung has just announced one. MPS3 is very expensive and you can load various FPGA images to it (in theory),...