mupen64plus-libretro-nx
mupen64plus-libretro-nx copied to clipboard
libretro
Add emscripten support built against patched 2.0.34 emsdk
This is an update of toadkings PR here and I cannot take credit for these changes https://github.com/BinBashBanana using toadkings old PR got this all working: https://github.com/libretro/mupen64plus-libretro-nx/pull/132
This needs to be built against a specific version of emscripten that has webgl patched.
git clone https://github.com/emscripten-core/emsdk.git
cd emsdk
./emsdk install 2.0.34
./emsdk activate 2.0.34
wget https://raw.githubusercontent.com/BinBashBanana/webretro/master/source/patches/emscripten.patch
patch -u -p0 -i emscripten.patch
source emsdk_env.sh
On the retroarch side should be built without ASYNC flagged as is currently defined here: (can be deleted) https://github.com/libretro/RetroArch/blob/master/Makefile.emscripten#L61C1-L63C6
And with the additional flags:
-s TOTAL_STACK=268435456 -s TOTAL_MEMORY=536870912 -s FULL_ES3=1 -s MIN_WEBGL_VERSION=2 -s MAX_WEBGL_VERSION=2
The results are very good even on a low end client machine:
https://github.com/libretro/mupen64plus-libretro-nx/assets/1852688/a0feb40d-acba-4281-a887-cb7cdcfc0c2f
I can rewrite the guards Retroarch side as well but having a viable bc file is the first step.
Let me know if this is possible to mainline I do not have a deep enough understanding of the codebase to see if there are any breaking changes for other ports here, but most of it looks non obtrusive with guards.
I need to check whatever i merged to my main branches already, most things still reside in emscripten_testing branch iirc
Am I reading this correct that you are working on dynarec in emscripten? That is one of the biggest pain points of nearly every core, the SIMD extensions lacking. Hoping for a breakthrough.
Am I reading this correct that you are working on dynarec in emscripten? That is one of the biggest pain points of nearly every core, the SIMD extensions lacking. Hoping for a breakthrough.
Ahead of time tho, I implemented it through cached interpreter for now so i can compile in parts of the game into the core directly.
Also SIMD seems to work decently with this
This is progressing quite well, still too many changes to push it all but thought i give a small update
Hi, i don't know if this is the right place. But i thought i try it and ask. How does it look? It would be really cool to have this core also as emscrpten port :)! Thank you!
Hi, i don't know if this is the right place. But i thought i try it and ask. How does it look? It would be really cool to have this core also as emscrpten port :)! Thank you!
Its looking good, working on getting it on the last toolchain ver next