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Merge pull request #5190 from penpot/ladybenko-9046-emscripten

🎉 Switch new renderer to Emscripten (from wasm-bindgen)
This commit is contained in:
Belén Albeza 2024-10-23 17:44:44 +02:00 committed by GitHub
commit 09e1bac41c
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GPG key ID: B5690EEEBB952194
15 changed files with 1009 additions and 457 deletions

View file

@ -9,7 +9,7 @@ ENV NODE_VERSION=v20.11.1 \
BABASHKA_VERSION=1.3.189 \
CLJFMT_VERSION=0.12.0 \
RUSTUP_VERSION=1.27.1 \
RUST_VERSION=1.81.0 \
RUST_VERSION=1.82.0 \
LANG=en_US.UTF-8 \
LC_ALL=en_US.UTF-8
@ -265,6 +265,16 @@ RUN set -eux; \
rm rustup-init; \
chmod -R a+w $RUSTUP_HOME $CARGO_HOME;
WORKDIR /usr/local
# Install emscripten SDK and activate it
RUN set -eux; \
git clone https://github.com/emscripten-core/emsdk.git; \
cd emsdk; \
./emsdk install latest; \
./emsdk activate latest; \
rustup target add wasm32-unknown-emscripten;
WORKDIR /home
COPY files/nginx.conf /etc/nginx/nginx.conf

View file

@ -11,6 +11,8 @@ alias lsf='ls -h *(.)'
# init Cargo / Rust env
. "/usr/local/cargo/env"
# init emscripten
EMSDK_QUIET=1 . "/usr/local/emsdk/emsdk_env.sh"
# include .bashrc if it exists
if [ -f "$HOME/.bashrc.local" ]; then

View file

@ -21,7 +21,6 @@
"build:storybook": "yarn run build:storybook:assets && yarn run build:storybook:cljs && storybook build",
"build:storybook:assets": "node ./scripts/build-storybook-assets.js",
"build:storybook:cljs": "clojure -M:dev:shadow-cljs compile storybook",
"build:renderer": "yarn run wasm-pack build ./renderer --target web --out-dir ../resources/public/js/renderer --release",
"build:app": "clojure -M:dev:shadow-cljs release main",
"e2e:server": "node ./scripts/e2e-server.js",
"fmt:clj": "cljfmt fix --parallel=true src/ test/",

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@ -1,324 +0,0 @@
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# It is not intended for manual editing.
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@ -1,36 +0,0 @@
use wasm_bindgen::prelude::*;
pub fn add(left: u64, right: u64) -> u64 {
left + right
}
#[wasm_bindgen]
extern "C" {
#[wasm_bindgen(js_namespace = console)]
fn log(s: &str);
}
#[wasm_bindgen]
pub fn print(msg: &str) {
log(msg);
}
#[cfg(test)]
mod tests {
use super::*;
use wasm_bindgen_test::*;
wasm_bindgen_test_configure!(run_in_browser);
#[test]
fn it_works() {
let result = add(2, 2);
assert_eq!(result, 4);
}
#[wasm_bindgen_test]
fn it_works_in_wasm() {
let result = add(2, 2);
assert_eq!(result, 4);
}
}

View file

@ -75,7 +75,6 @@
[app.main.repo :as rp]
[app.main.streams :as ms]
[app.main.worker :as uw]
[app.renderer-v2 :as renderer]
[app.util.dom :as dom]
[app.util.globals :as ug]
[app.util.http :as http]
@ -357,8 +356,8 @@
(dcm/retrieve-comment-threads file-id)
(fetch-bundle project-id file-id))
(when (contains? cf/flags :renderer-v2)
(rx/of (renderer/init)))
;; (when (contains? cf/flags :renderer-v2)
;; (rx/of (renderer/init)))
(->> stream
(rx/filter dch/commit?)

View file

@ -8,7 +8,6 @@
(:require-macros [app.main.style :as stl])
(:require
[app.common.data.macros :as dm]
[app.config :as cf]
[app.main.data.modal :as modal]
[app.main.data.notifications :as ntf]
[app.main.data.persistence :as dps]
@ -32,7 +31,6 @@
[app.main.ui.workspace.sidebar.collapsable-button :refer [collapsed-button]]
[app.main.ui.workspace.sidebar.history :refer [history-toolbox]]
[app.main.ui.workspace.viewport :refer [viewport]]
[app.renderer-v2 :as renderer]
[app.util.debug :as dbg]
[app.util.dom :as dom]
[app.util.globals :as globals]
@ -204,10 +202,6 @@
(ntf/hide)
(dw/finalize-file project-id file-id))))
(mf/with-effect [file-ready?]
(when (and file-ready? (contains? cf/flags :renderer-v2))
(renderer/print-msg "hello from wasm fn!")))
[:& (mf/provider ctx/current-file-id) {:value file-id}
[:& (mf/provider ctx/current-project-id) {:value project-id}
[:& (mf/provider ctx/current-team-id) {:value team-id}

View file

@ -50,8 +50,10 @@
[app.main.ui.workspace.viewport.utils :as utils]
[app.main.ui.workspace.viewport.viewport-ref :refer [create-viewport-ref]]
[app.main.ui.workspace.viewport.widgets :as widgets]
[app.render-wasm :as render.wasm]
[app.util.debug :as dbg]
[beicon.v2.core :as rx]
[promesa.core :as p]
[rumext.v2 :as mf]))
;; --- Viewport
@ -137,6 +139,9 @@
[viewport-ref
on-viewport-ref] (create-viewport-ref)
canvas-ref (mf/use-ref nil)
canvas-init (mf/use-ref false)
;; VARS
disable-paste (mf/use-var false)
in-viewport? (mf/use-var false)
@ -269,6 +274,21 @@
rule-area-size (/ rulers/ruler-area-size zoom)]
(when ^boolean render.wasm/enabled?
(mf/with-effect []
(when-let [canvas (mf/ref-val canvas-ref)]
(->> render.wasm/module
(p/fmap (fn [ready?]
(when ready?
(mf/set-ref-val! canvas-init true)
(render.wasm/assign-canvas canvas)))))
(fn []
(render.wasm/clear-canvas))))
(mf/with-effect [vbox' base-objects]
(when (mf/ref-val canvas-init)
(render.wasm/draw-objects base-objects zoom vbox'))))
(hooks/setup-dom-events zoom disable-paste in-viewport? read-only? drawing-tool drawing-path?)
(hooks/setup-viewport-size vport viewport-ref)
(hooks/setup-cursor cursor alt? mod? space? panning drawing-tool drawing-path? node-editing? z? read-only?)
@ -312,6 +332,15 @@
:layout layout
:viewport-ref viewport-ref}])]
(if ^boolean render.wasm/enabled?
[:canvas {:id "render"
:ref canvas-ref
:class (stl/css :render-shapes)
:key (dm/str "render" page-id)
:width (:width vport 0)
:height (:height vport 0)
:style {:background-color background
:pointer-events "none"}}]
[:svg
{:id "render"
:class (stl/css :render-shapes)
@ -355,7 +384,7 @@
;; Render root shape
[:& shapes/root-shape {:key page-id
:objects base-objects
:active-frames @active-frames}]]]]
:active-frames @active-frames}]]]])
[:svg.viewport-controls
{:xmlns "http://www.w3.org/2000/svg"

View file

@ -0,0 +1,88 @@
;; This Source Code Form is subject to the terms of the Mozilla Public
;; License, v. 2.0. If a copy of the MPL was not distributed with this
;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
;;
;; Copyright (c) KALEIDOS INC
(ns app.render-wasm
"A WASM based render API"
(:require
[app.common.data.macros :as dm]
[app.config :as cf]
[promesa.core :as p]))
(def enabled?
(contains? cf/flags :render-wasm))
(defonce ^:dynamic internal-module #js {})
(defonce ^:dynamic internal-gpu-state #js {})
(defn draw-objects [objects zoom vbox]
(let [draw-rect (unchecked-get internal-module "_draw_rect")
translate (unchecked-get internal-module "_translate")
reset-canvas (unchecked-get internal-module "_reset_canvas")
scale (unchecked-get internal-module "_scale")
flush (unchecked-get internal-module "_flush")
gpu-state internal-gpu-state]
(js/requestAnimationFrame
(fn []
(reset-canvas gpu-state)
(scale gpu-state zoom zoom)
(let [x (dm/get-prop vbox :x)
y (dm/get-prop vbox :y)]
(translate gpu-state (- x) (- y)))
(run! (fn [shape]
(let [selrect (dm/get-prop shape :selrect)
x1 (dm/get-prop selrect :x1)
y1 (dm/get-prop selrect :y1)
x2 (dm/get-prop selrect :x2)
y2 (dm/get-prop selrect :y2)]
(draw-rect gpu-state x1 y1 x2 y2)))
(vals objects))
(flush gpu-state)))))
(def canvas-options
#js {:antialias true
:depth true
:stencil true
:alpha true})
(defn clear-canvas
[]
;; TODO: perform corresponding cleaning
)
(defn assign-canvas
[canvas]
(let [gl (unchecked-get internal-module "GL")
init-fn (unchecked-get internal-module "_init")
context (.getContext ^js canvas "webgl2" canvas-options)
;; Register the context with emscripten
handle (.registerContext ^js gl context #js {"majorVersion" 2})
_ (.makeContextCurrent ^js gl handle)
;; Initialize Skia
state (init-fn (.-width ^js canvas)
(.-height ^js canvas))]
(set! (.-width canvas) (.-clientWidth ^js canvas))
(set! (.-height canvas) (.-clientHeight ^js canvas))
(set! internal-gpu-state state)))
(defonce module
(->> (js/dynamicImport "/js/render_wasm.js")
(p/mcat (fn [module]
(let [default (unchecked-get module "default")]
(default))))
(p/fmap (fn [module]
(set! internal-module module)
true))
(p/merr (fn [cause]
(js/console.error cause)
(p/resolved false)))))

View file

@ -1,38 +0,0 @@
;; This Source Code Form is subject to the terms of the Mozilla Public
;; License, v. 2.0. If a copy of the MPL was not distributed with this
;; file, You can obtain one at http://mozilla.org/MPL/2.0/.
;;
;; Copyright (c) KALEIDOS INC
(ns app.renderer-v2
(:require
[app.config :as cf]
[beicon.v2.core :as rx]
[potok.v2.core :as ptk]))
(defonce internal-module #js {})
(defn on-module-loaded
[module']
(let [init-fn (.-default ^js module')]
(->> (rx/from (init-fn))
(rx/map (constantly module')))))
(defn- on-module-initialized
[module]
(set! internal-module module))
(defn print-msg [msg]
(let [print-fn (.-print internal-module)]
(print-fn msg)))
(defn init
[]
(ptk/reify ::init
ptk/WatchEvent
(watch [_ _ _]
(let [module-uri (assoc cf/public-uri :path "/js/renderer/renderer.js")]
(->> (rx/from (js/dynamicImport (str module-uri)))
(rx/mapcat on-module-loaded)
(rx/tap on-module-initialized)
(rx/ignore))))))

657
render-wasm/Cargo.lock generated Normal file
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@ -0,0 +1,657 @@
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source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
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crate-type = ["cdylib"]
[[bin]]
name = "render_wasm"
path = "src/main.rs"
[dependencies]
wasm-bindgen = "0.2.93"
gl = "0.14.0"
skia-safe = { version = "0.78.2", features = ["gl"] }
[profile.release]
opt-level = "s"
[dev-dependencies]
wasm-bindgen-test = "0.3.43"

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#!/usr/bin/env bash
export _BUILD_MODE=${1:-debug};
export EMSDK_QUIET=1
export EMCC_CFLAGS="--no-entry -s ERROR_ON_UNDEFINED_SYMBOLS=0 -s MAX_WEBGL_VERSION=2 -s MODULARIZE=1 -s EXPORT_NAME=createRustSkiaModule -s EXPORTED_RUNTIME_METHODS=GL -s ENVIRONMENT=web -s EXPORT_ES6=1 -sMODULARIZE"
source /usr/local/emsdk/emsdk_env.sh;
set -x
_SCRIPT_DIR=$(dirname $0);
_CARGO_PARAMS="--target=wasm32-unknown-emscripten";
if [ "$_BUILD_MODE" = "release" ]; then
_CARGO_PARAMS="--release $_CARGO_PARAMS"
fi
pushd $_SCRIPT_DIR;
cargo build $_CARGO_PARAMS
cp target/wasm32-unknown-emscripten/$_BUILD_MODE/render_wasm.js ../frontend/resources/public/js/
cp target/wasm32-unknown-emscripten/$_BUILD_MODE/render_wasm.wasm ../frontend/resources/public/js/
popd

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use skia_safe::gpu::{self, gl::FramebufferInfo, DirectContext};
use std::boxed::Box;
use skia_safe as skia;
extern "C" {
pub fn emscripten_GetProcAddress(
name: *const ::std::os::raw::c_char,
) -> *const ::std::os::raw::c_void;
}
struct GpuState {
context: DirectContext,
framebuffer_info: FramebufferInfo,
}
/// This struct holds the state of the Rust application between JS calls.
///
/// It is created by [init] and passed to the other exported functions. Note that rust-skia data
/// structures are not thread safe, so a state must not be shared between different Web Workers.
pub struct State {
gpu_state: GpuState,
surface: skia::Surface,
}
impl State {
fn new(gpu_state: GpuState, surface: skia::Surface) -> Self {
State { gpu_state, surface }
}
fn set_surface(&mut self, surface: skia::Surface) {
self.surface = surface;
}
}
fn init_gl() {
unsafe {
gl::load_with(|addr| {
let addr = std::ffi::CString::new(addr).unwrap();
emscripten_GetProcAddress(addr.into_raw() as *const _) as *const _
});
}
}
/// This needs to be done once per WebGL context.
fn create_gpu_state() -> GpuState {
let interface = skia_safe::gpu::gl::Interface::new_native().unwrap();
let context = skia_safe::gpu::direct_contexts::make_gl(interface, None).unwrap();
let framebuffer_info = {
let mut fboid: gl::types::GLint = 0;
unsafe { gl::GetIntegerv(gl::FRAMEBUFFER_BINDING, &mut fboid) };
FramebufferInfo {
fboid: fboid.try_into().unwrap(),
format: skia_safe::gpu::gl::Format::RGBA8.into(),
protected: skia_safe::gpu::Protected::No,
}
};
GpuState {
context,
framebuffer_info,
}
}
/// Create the Skia surface that will be used for rendering.
fn create_surface(gpu_state: &mut GpuState, width: i32, height: i32) -> skia::Surface {
let backend_render_target =
gpu::backend_render_targets::make_gl((width, height), 1, 8, gpu_state.framebuffer_info);
gpu::surfaces::wrap_backend_render_target(
&mut gpu_state.context,
&backend_render_target,
skia_safe::gpu::SurfaceOrigin::BottomLeft,
skia_safe::ColorType::RGBA8888,
None,
None,
)
.unwrap()
}
fn render_rect(surface: &mut skia::Surface, rect: skia::Rect, color: skia::Color) {
let mut paint = skia::Paint::default();
paint.set_style(skia::PaintStyle::Fill);
paint.set_color(color);
paint.set_anti_alias(true);
surface.canvas().draw_rect(rect, &paint);
}
/// This is called from JS after the WebGL context has been created.
#[no_mangle]
pub extern "C" fn init(width: i32, height: i32) -> Box<State> {
let mut gpu_state = create_gpu_state();
let surface = create_surface(&mut gpu_state, width, height);
let state = State::new(gpu_state, surface);
Box::new(state)
}
/// This is called from JS when the window is resized.
/// # Safety
#[no_mangle]
pub unsafe extern "C" fn resize_surface(state: *mut State, width: i32, height: i32) {
let state = unsafe { state.as_mut() }.expect("got an invalid state pointer");
let surface = create_surface(&mut state.gpu_state, width, height);
state.set_surface(surface);
}
/// Draws a rect at the specified coordinates with the give ncolor
/// # Safety
#[no_mangle]
pub unsafe extern "C" fn draw_rect(state: *mut State, x1: f32, y1: f32, x2: f32, y2: f32) {
let state = unsafe { state.as_mut() }.expect("got an invalid state pointer");
let r = skia::Rect::new(x1, y1, x2, y2);
render_rect(&mut state.surface, r, skia::Color::RED);
}
#[no_mangle]
pub unsafe extern "C" fn flush(state: *mut State) {
let state = unsafe { state.as_mut() }.expect("got an invalid state pointer");
state
.gpu_state
.context
.flush_and_submit_surface(&mut state.surface, None);
}
#[no_mangle]
pub unsafe extern "C" fn translate(state: *mut State, dx: f32, dy: f32) {
(*state).surface.canvas().translate((dx, dy));
}
#[no_mangle]
pub unsafe extern "C" fn scale(state: *mut State, sx: f32, sy: f32) {
(*state).surface.canvas().scale((sx, sy));
}
#[no_mangle]
pub unsafe extern "C" fn reset_canvas(state: *mut State) {
let state = unsafe { state.as_mut() }.expect("got an invalid state pointer");
state.surface.canvas().clear(skia_safe::Color::TRANSPARENT);
state.surface.canvas().reset_matrix();
flush(state);
}
fn main() {
init_gl();
}