036856aed5
* Move everything into package * Remove .DS_Store * Move scripts and eslintrc to package * Create CODE_OF_CONDUCT.md * fix some links * Update all links (I think) * Update generated docs * Update notice-yarn-changes.yml * Update validate-android.yml * Update validate-cpp.yml * Delete notice-yarn-changes.yml * Update validate-cpp.yml * Update validate-cpp.yml * Update validate-js.yml * Update validate-cpp.yml * Update validate-cpp.yml * wrong c++ style * Revert "wrong c++ style" This reverts commit 55a3575589c6f13f8b05134d83384f55e0601ab2.
143 lines
4.6 KiB
C++
143 lines
4.6 KiB
C++
//
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// JSITypedArray.h
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// VisionCamera
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//
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// Created by Marc Rousavy on 21.02.23.
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// Copyright © 2023 mrousavy. All rights reserved.
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//
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// Copied & Adapted from
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// https://github.com/expo/expo/blob/main/packages/expo-gl/common/EXTypedArrayApi.h Credits to Expo
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#pragma once
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#include <jsi/jsi.h>
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#include <utility>
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#include <vector>
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namespace jsi = facebook::jsi;
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namespace vision {
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enum class TypedArrayKind {
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Int8Array,
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Int16Array,
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Int32Array,
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Uint8Array,
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Uint8ClampedArray,
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Uint16Array,
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Uint32Array,
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Float32Array,
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Float64Array,
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};
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template <TypedArrayKind T> class TypedArray;
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template <TypedArrayKind T> struct typedArrayTypeMap;
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template <> struct typedArrayTypeMap<TypedArrayKind::Int8Array> {
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typedef int8_t type;
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};
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template <> struct typedArrayTypeMap<TypedArrayKind::Int16Array> {
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typedef int16_t type;
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};
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template <> struct typedArrayTypeMap<TypedArrayKind::Int32Array> {
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typedef int32_t type;
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};
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template <> struct typedArrayTypeMap<TypedArrayKind::Uint8Array> {
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typedef uint8_t type;
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};
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template <> struct typedArrayTypeMap<TypedArrayKind::Uint8ClampedArray> {
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typedef uint8_t type;
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};
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template <> struct typedArrayTypeMap<TypedArrayKind::Uint16Array> {
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typedef uint16_t type;
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};
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template <> struct typedArrayTypeMap<TypedArrayKind::Uint32Array> {
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typedef uint32_t type;
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};
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template <> struct typedArrayTypeMap<TypedArrayKind::Float32Array> {
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typedef float type;
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};
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template <> struct typedArrayTypeMap<TypedArrayKind::Float64Array> {
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typedef double type;
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};
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void invalidateArrayBufferCache(jsi::Runtime& runtime);
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class TypedArrayBase : public jsi::Object {
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public:
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template <TypedArrayKind T> using ContentType = typename typedArrayTypeMap<T>::type;
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TypedArrayBase(jsi::Runtime&, size_t, TypedArrayKind);
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TypedArrayBase(jsi::Runtime&, const jsi::Object&);
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TypedArrayBase(TypedArrayBase&&) = default;
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TypedArrayBase& operator=(TypedArrayBase&&) = default;
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TypedArrayKind getKind(jsi::Runtime& runtime) const;
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template <TypedArrayKind T> TypedArray<T> get(jsi::Runtime& runtime) const&;
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template <TypedArrayKind T> TypedArray<T> get(jsi::Runtime& runtime) &&;
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template <TypedArrayKind T> TypedArray<T> as(jsi::Runtime& runtime) const&;
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template <TypedArrayKind T> TypedArray<T> as(jsi::Runtime& runtime) &&;
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size_t size(jsi::Runtime& runtime) const;
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size_t length(jsi::Runtime& runtime) const;
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size_t byteLength(jsi::Runtime& runtime) const;
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size_t byteOffset(jsi::Runtime& runtime) const;
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bool hasBuffer(jsi::Runtime& runtime) const;
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std::vector<uint8_t> toVector(jsi::Runtime& runtime);
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jsi::ArrayBuffer getBuffer(jsi::Runtime& runtime) const;
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private:
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template <TypedArrayKind> friend class TypedArray;
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};
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bool isTypedArray(jsi::Runtime& runtime, const jsi::Object& jsObj);
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TypedArrayBase getTypedArray(jsi::Runtime& runtime, const jsi::Object& jsObj);
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std::vector<uint8_t> arrayBufferToVector(jsi::Runtime& runtime, jsi::Object& jsObj);
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void arrayBufferUpdate(jsi::Runtime& runtime, jsi::ArrayBuffer& buffer, std::vector<uint8_t> data,
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size_t offset);
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template <TypedArrayKind T> class TypedArray : public TypedArrayBase {
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public:
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explicit TypedArray(TypedArrayBase&& base);
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TypedArray(jsi::Runtime& runtime, size_t size);
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TypedArray(jsi::Runtime& runtime, std::vector<ContentType<T>> data);
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TypedArray(TypedArray&&) = default;
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TypedArray& operator=(TypedArray&&) = default;
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std::vector<ContentType<T>> toVector(jsi::Runtime& runtime);
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void update(jsi::Runtime& runtime, const std::vector<ContentType<T>>& data);
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void updateUnsafe(jsi::Runtime& runtime, ContentType<T>* data, size_t length);
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uint8_t* data(jsi::Runtime& runtime);
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};
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template <TypedArrayKind T> TypedArray<T> TypedArrayBase::get(jsi::Runtime& runtime) const& {
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assert(getKind(runtime) == T);
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(void)runtime; // when assert is disabled we need to mark this as used
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return TypedArray<T>(jsi::Value(runtime, jsi::Value(runtime, *this).asObject(runtime)));
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}
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template <TypedArrayKind T> TypedArray<T> TypedArrayBase::get(jsi::Runtime& runtime) && {
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assert(getKind(runtime) == T);
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(void)runtime; // when assert is disabled we need to mark this as used
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return TypedArray<T>(std::move(*this));
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}
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template <TypedArrayKind T> TypedArray<T> TypedArrayBase::as(jsi::Runtime& runtime) const& {
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if (getKind(runtime) != T) {
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throw jsi::JSError(runtime, "Object is not a TypedArray");
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}
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return get<T>(runtime);
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}
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template <TypedArrayKind T> TypedArray<T> TypedArrayBase::as(jsi::Runtime& runtime) && {
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if (getKind(runtime) != T) {
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throw jsi::JSError(runtime, "Object is not a TypedArray");
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}
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return std::move(*this).get<T>(runtime);
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}
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} // namespace vision
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