f03dde725e
* Add Skia search path from `node_modules/` * fix: Find `react-native-skia` from node_modules * fix: Upgrade RN Skia to use includes fix * Update FrameProcessorUtils.mm
79 lines
2.8 KiB
Plaintext
79 lines
2.8 KiB
Plaintext
//
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// FrameProcessorUtils.m
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// VisionCamera
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//
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// Created by Marc Rousavy on 15.03.21.
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// Copyright © 2021 mrousavy. All rights reserved.
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//
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#import "FrameProcessorUtils.h"
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#import <chrono>
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#import <memory>
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#import <regex>
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#import "FrameHostObject.h"
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#import "Frame.h"
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#import <React/RCTBridge.h>
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#import <React/RCTBridge+Private.h>
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#import "JSConsoleHelper.h"
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#import <ReactCommon/RCTTurboModule.h>
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#import "WKTJsiWorklet.h"
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#import "RNSkPlatformContext.h"
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#import "RNSkiOSPlatformContext.h"
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#import "JsiSkCanvas.h"
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FrameProcessorCallback convertWorkletToFrameProcessorCallback(jsi::Runtime& runtime, std::shared_ptr<RNWorklet::JsiWorklet> worklet) {
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// Wrap Worklet call in invoker
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auto workletInvoker = std::make_shared<RNWorklet::WorkletInvoker>(worklet);
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// Create cached Skia Canvas object
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auto callInvoker = RCTBridge.currentBridge.jsCallInvoker;
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auto skiaPlatformContext = std::make_shared<RNSkia::RNSkiOSPlatformContext>(&runtime, callInvoker, [](std::function<void()>) {
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// TODO: dispatch on main thread is stubbed for now :/
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}, [](size_t viewTag) {
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// TODO: screenshot is stubbed for now :/
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return sk_sp<SkImage>(nullptr);
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});
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auto canvasHostObject = std::make_shared<RNSkia::JsiSkCanvas>(skiaPlatformContext);
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// Converts a Worklet to a callable Objective-C block function
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return ^(Frame* frame, void* skiaCanvas) {
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try {
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// create HostObject which holds the Frame
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auto frameHostObject = std::make_shared<FrameHostObject>(frame);
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// Update cached Canvas object
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if (skiaCanvas != nullptr) {
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canvasHostObject->setCanvas((SkCanvas*)skiaCanvas);
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frameHostObject->canvas = canvasHostObject;
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} else {
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frameHostObject->canvas = nullptr;
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}
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auto argument = jsi::Object::createFromHostObject(runtime, frameHostObject);
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jsi::Value jsValue(std::move(argument));
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// Call the Worklet with the Frame JS Host Object as an argument
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workletInvoker->call(runtime, jsi::Value::undefined(), &jsValue, 1);
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// After the sync Frame Processor finished executing, remove the Canvas on that Frame instance. It can no longer draw.
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frameHostObject->canvas = nullptr;
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} catch (jsi::JSError& jsError) {
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// JS Error occured, print it to console.
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auto stack = std::regex_replace(jsError.getStack(), std::regex("\n"), "\n ");
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auto message = [NSString stringWithFormat:@"Frame Processor threw an error: %s\nIn: %s", jsError.getMessage().c_str(), stack.c_str()];
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RCTBridge* bridge = [RCTBridge currentBridge];
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if (bridge != nil && bridge.jsCallInvoker != nullptr) {
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bridge.jsCallInvoker->invokeAsync([bridge, message]() {
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auto logFn = [JSConsoleHelper getLogFunctionForBridge:bridge];
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logFn(RCTLogLevelError, message);
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});
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} else {
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NSLog(@"%@", message);
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}
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}
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};
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}
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