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// Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
/**
* Specialized integers and floating point numbers,
* with SIMD support and efficient lists.
*/
library dart.typed_data;
import 'dart:collection';
import 'dart:_collection-dev';
import 'dart:_js_helper' show Creates, JavaScriptIndexingBehavior, JSName, Null, Returns;
import 'dart:_foreign_helper' show JS, JS_CONST;
import 'dart:math' as Math;
/**
* Describes endianness to be used when accessing a sequence of bytes.
*/
class Endianness {
const Endianness(this._littleEndian);
static const Endianness BIG_ENDIAN = const Endianness(false);
static const Endianness LITTLE_ENDIAN = const Endianness(true);
static final Endianness HOST_ENDIAN =
(new ByteData.view(new Int16List.fromList([1]).buffer)).getInt8(0) == 1 ?
LITTLE_ENDIAN : BIG_ENDIAN;
final bool _littleEndian;
}
class ByteBuffer native "ArrayBuffer" {
@JSName('byteLength')
final int lengthInBytes;
}
// TODO(12929): Remove this constant once V8 optimizes length access of
// typed arrays. Firefox does not like accessing a named property of a
// typed array, so we only use the new [:$dartCachedLength:] property in V8 and
// Chrome.
const fetchLength = const JS_CONST(r'''
((typeof version == "function" && typeof os == "object" && "system" in os)
|| (typeof navigator == "object"
&& navigator.userAgent.indexOf('Chrome') != -1))
? function(x) { return x.$dartCachedLength || x.length; }
: function(x) { return x.length; };
''');
class TypedData native "ArrayBufferView" {
@Creates('ByteBuffer')
@Returns('ByteBuffer|Null')
final ByteBuffer buffer;
@JSName('byteLength')
final int lengthInBytes;
@JSName('byteOffset')
final int offsetInBytes;
@JSName('BYTES_PER_ELEMENT')
final int elementSizeInBytes;
void _invalidIndex(int index, int length) {
if (index < 0 || index >= length) {
throw new RangeError.range(index, 0, length);
} else {
throw new ArgumentError('Invalid list index $index');
}
}
void _checkIndex(int index, int length) {
if (JS('bool', '(# >>> 0 != #)', index, index) || index >= length) {
_invalidIndex(index, length);
}
}
// TODO(12929): Remove this method once V8 optimizes length access of
// typed arrays.
void _setCachedLength() {
JS('void', r'#.$dartCachedLength = #.length', this, this);
}
int _checkSublistArguments(int start, int end, int length) {
// For `sublist` the [start] and [end] indices are allowed to be equal to
// [length]. However, [_checkIndex] only allows indices in the range
// 0 .. length - 1. We therefore increment the [length] argument by one
// for the [_checkIndex] checks.
_checkIndex(start, length + 1);
if (end == null) return length;
_checkIndex(end, length + 1);
if (start > end) throw new RangeError.range(start, 0, end);
return end;
}
}
// Ensures that [list] is a JavaScript Array or a typed array. If necessary,
// returns a copy of the list.
List _ensureNativeList(List list) {
return list; // TODO: make sure.
}
class ByteData extends TypedData native "DataView" {
factory ByteData(int length) => _create1(length);
factory ByteData.view(ByteBuffer buffer,
[int byteOffset = 0, int byteLength]) =>
byteLength == null
? _create2(buffer, byteOffset)
: _create3(buffer, byteOffset, byteLength);
num getFloat32(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
_getFloat32(byteOffset, endian._littleEndian);
@JSName('getFloat32')
@Returns('num')
num _getFloat32(int byteOffset, [bool littleEndian]) native;
num getFloat64(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
_getFloat64(byteOffset, endian._littleEndian);
@JSName('getFloat64')
@Returns('num')
num _getFloat64(int byteOffset, [bool littleEndian]) native;
int getInt16(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
_getInt16(byteOffset, endian._littleEndian);
@JSName('getInt16')
@Returns('int')
int _getInt16(int byteOffset, [bool littleEndian]) native;
int getInt32(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
_getInt32(byteOffset, endian._littleEndian);
@JSName('getInt32')
@Returns('int')
int _getInt32(int byteOffset, [bool littleEndian]) native;
int getInt64(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) {
throw new UnsupportedError("Int64 accessor not supported by dart2js.");
}
int getInt8(int byteOffset) native;
int getUint16(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
_getUint16(byteOffset, endian._littleEndian);
@JSName('getUint16')
@Returns('int')
int _getUint16(int byteOffset, [bool littleEndian]) native;
int getUint32(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) =>
_getUint32(byteOffset, endian._littleEndian);
@JSName('getUint32')
@Returns('int')
int _getUint32(int byteOffset, [bool littleEndian]) native;
int getUint64(int byteOffset, [Endianness endian=Endianness.BIG_ENDIAN]) {
throw new UnsupportedError("Uint64 accessor not supported by dart2js.");
}
int getUint8(int byteOffset) native;
void setFloat32(int byteOffset, num value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
_setFloat32(byteOffset, value, endian._littleEndian);
@JSName('setFloat32')
void _setFloat32(int byteOffset, num value, [bool littleEndian]) native;
void setFloat64(int byteOffset, num value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
_setFloat64(byteOffset, value, endian._littleEndian);
@JSName('setFloat64')
void _setFloat64(int byteOffset, num value, [bool littleEndian]) native;
void setInt16(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
_setInt16(byteOffset, value, endian._littleEndian);
@JSName('setInt16')
void _setInt16(int byteOffset, int value, [bool littleEndian]) native;
void setInt32(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
_setInt32(byteOffset, value, endian._littleEndian);
@JSName('setInt32')
void _setInt32(int byteOffset, int value, [bool littleEndian]) native;
void setInt64(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) {
throw new UnsupportedError("Int64 accessor not supported by dart2js.");
}
void setInt8(int byteOffset, int value) native;
void setUint16(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
_setUint16(byteOffset, value, endian._littleEndian);
@JSName('setUint16')
void _setUint16(int byteOffset, int value, [bool littleEndian]) native;
void setUint32(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) =>
_setUint32(byteOffset, value, endian._littleEndian);
@JSName('setUint32')
void _setUint32(int byteOffset, int value, [bool littleEndian]) native;
void setUint64(int byteOffset, int value, [Endianness endian=Endianness.BIG_ENDIAN]) {
throw new UnsupportedError("Uint64 accessor not supported by dart2js.");
}
void setUint8(int byteOffset, int value) native;
static ByteData _create1(arg) =>
JS('ByteData', 'new DataView(new ArrayBuffer(#))', arg).._setCachedLength();
static ByteData _create2(arg1, arg2) =>
JS('ByteData', 'new DataView(#, #)', arg1, arg2).._setCachedLength();
static ByteData _create3(arg1, arg2, arg3) =>
JS('ByteData', 'new DataView(#, #, #)', arg1, arg2, arg3)
.._setCachedLength();
}
class Float32List
extends TypedData with ListMixin<double>, FixedLengthListMixin<double>
implements JavaScriptIndexingBehavior, List<double>
native "Float32Array" {
factory Float32List(int length) => _create1(length);
factory Float32List.fromList(List<num> list) =>
_create1(_ensureNativeList(list));
factory Float32List.view(ByteBuffer buffer,
[int byteOffset = 0, int length]) =>
length == null
? _create2(buffer, byteOffset)
: _create3(buffer, byteOffset, length);
static const int BYTES_PER_ELEMENT = 4;
int get length => JS("int", '#(#)', fetchLength, this);
num operator[](int index) {
_checkIndex(index, length);
return JS("num", "#[#]", this, index);
}
void operator[]=(int index, num value) {
_checkIndex(index, length);
JS("void", "#[#] = #", this, index, value);
}
List<double> sublist(int start, [int end]) {
end = _checkSublistArguments(start, end, length);
var source = JS('Float32List', '#.subarray(#, #)', this, start, end);
source._setCachedLength();
return _create1(source);
}
static Float32List _create1(arg) =>
JS('Float32List', 'new Float32Array(#)', arg).._setCachedLength();
static Float32List _create2(arg1, arg2) =>
JS('Float32List', 'new Float32Array(#, #)', arg1, arg2)
.._setCachedLength();
static Float32List _create3(arg1, arg2, arg3) =>
JS('Float32List', 'new Float32Array(#, #, #)', arg1, arg2, arg3)
.._setCachedLength();
}
class Float64List
extends TypedData with ListMixin<double>, FixedLengthListMixin<double>
implements JavaScriptIndexingBehavior, List<double>
native "Float64Array" {
factory Float64List(int length) => _create1(length);
factory Float64List.fromList(List<num> list) =>
_create1(_ensureNativeList(list));
factory Float64List.view(ByteBuffer buffer,
[int byteOffset = 0, int length]) =>
length == null
? _create2(buffer, byteOffset)
: _create3(buffer, byteOffset, length);
static const int BYTES_PER_ELEMENT = 8;
int get length => JS("int", '#(#)', fetchLength, this);
num operator[](int index) {
_checkIndex(index, length);
return JS("num", "#[#]", this, index);
}
void operator[]=(int index, num value) {
_checkIndex(index, length);
JS("void", "#[#] = #", this, index, value);
}
List<double> sublist(int start, [int end]) {
end = _checkSublistArguments(start, end, length);
var source = JS('Float64List', '#.subarray(#, #)', this, start, end);
source._setCachedLength();
return _create1(source);
}
static Float64List _create1(arg) {
return JS('Float64List', 'new Float64Array(#)', arg).._setCachedLength();
}
static Float64List _create2(arg1, arg2) {
return JS('Float64List', 'new Float64Array(#, #)', arg1, arg2)
.._setCachedLength();
}
static Float64List _create3(arg1, arg2, arg3) {
return JS('Float64List', 'new Float64Array(#, #, #)', arg1, arg2, arg3)
.._setCachedLength();
}
}
class Int16List
extends TypedData with ListMixin<int>, FixedLengthListMixin<int>
implements JavaScriptIndexingBehavior, List<int>
native "Int16Array" {
factory Int16List(int length) => _create1(length);
factory Int16List.fromList(List<num> list) =>
_create1(_ensureNativeList(list));
factory Int16List.view(ByteBuffer buffer, [int byteOffset = 0, int length]) =>
length == null
? _create2(buffer, byteOffset)
: _create3(buffer, byteOffset, length);
static const int BYTES_PER_ELEMENT = 2;
int get length => JS("int", '#(#)', fetchLength, this);
int operator[](int index) {
_checkIndex(index, length);
return JS("int", "#[#]", this, index);
}
void operator[]=(int index, int value) {
_checkIndex(index, length);
JS("void", "#[#] = #", this, index, value);
}
List<int> sublist(int start, [int end]) {
end = _checkSublistArguments(start, end, length);
var source = JS('Int16List', '#.subarray(#, #)', this, start, end)
.._setCachedLength();
return _create1(source);
}
static Int16List _create1(arg) =>
JS('Int16List', 'new Int16Array(#)', arg).._setCachedLength();
static Int16List _create2(arg1, arg2) =>
JS('Int16List', 'new Int16Array(#, #)', arg1, arg2).._setCachedLength();
static Int16List _create3(arg1, arg2, arg3) =>
JS('Int16List', 'new Int16Array(#, #, #)', arg1, arg2, arg3)
.._setCachedLength();
}
class Int32List
extends TypedData with ListMixin<int>, FixedLengthListMixin<int>
implements JavaScriptIndexingBehavior, List<int>
native "Int32Array" {
factory Int32List(int length) => _create1(length);
factory Int32List.fromList(List<num> list) =>
_create1(_ensureNativeList(list));
factory Int32List.view(ByteBuffer buffer, [int byteOffset = 0, int length]) =>
length == null
? _create2(buffer, byteOffset)
: _create3(buffer, byteOffset, length);
static const int BYTES_PER_ELEMENT = 4;
int get length => JS("int", '#(#)', fetchLength, this);
int operator[](int index) {
_checkIndex(index, length);
return JS("int", "#[#]", this, index);
}
void operator[]=(int index, int value) {
_checkIndex(index, length);
JS("void", "#[#] = #", this, index, value);
}
List<int> sublist(int start, [int end]) {
end = _checkSublistArguments(start, end, length);
var source = JS('Int32List', '#.subarray(#, #)', this, start, end)
.._setCachedLength();
return _create1(source);
}
static Int32List _create1(arg) =>
JS('Int32List', 'new Int32Array(#)', arg).._setCachedLength();
static Int32List _create2(arg1, arg2) =>
JS('Int32List', 'new Int32Array(#, #)', arg1, arg2).._setCachedLength();
static Int32List _create3(arg1, arg2, arg3) =>
JS('Int32List', 'new Int32Array(#, #, #)', arg1, arg2, arg3)
.._setCachedLength();
}
class Int8List
extends TypedData with ListMixin<int>, FixedLengthListMixin<int>
implements JavaScriptIndexingBehavior, List<int>
native "Int8Array" {
factory Int8List(int length) => _create1(length);
factory Int8List.fromList(List<num> list) =>
_create1(_ensureNativeList(list));
factory Int8List.view(ByteBuffer buffer, [int byteOffset = 0, int length]) =>
length == null
? _create2(buffer, byteOffset)
: _create3(buffer, byteOffset, length);
static const int BYTES_PER_ELEMENT = 1;
int get length => JS("int", '#(#)', fetchLength, this);
int operator[](int index) {
_checkIndex(index, length);
return JS("int", "#[#]", this, index);
}
void operator[]=(int index, int value) {
_checkIndex(index, length);
JS("void", "#[#] = #", this, index, value);
}
List<int> sublist(int start, [int end]) {
end = _checkSublistArguments(start, end, length);
var source = JS('Int8List', '#.subarray(#, #)', this, start, end)
.._setCachedLength();
return _create1(source);
}
static Int8List _create1(arg) =>
JS('Int8List', 'new Int8Array(#)', arg).._setCachedLength();
static Int8List _create2(arg1, arg2) =>
JS('Int8List', 'new Int8Array(#, #)', arg1, arg2).._setCachedLength();
static Int8List _create3(arg1, arg2, arg3) =>
JS('Int8List', 'new Int8Array(#, #, #)', arg1, arg2, arg3)
.._setCachedLength();
}
class Uint16List
extends TypedData with ListMixin<int>, FixedLengthListMixin<int>
implements JavaScriptIndexingBehavior, List<int>
native "Uint16Array" {
factory Uint16List(int length) => _create1(length);
factory Uint16List.fromList(List<num> list) =>
_create1(_ensureNativeList(list));
factory Uint16List.view(ByteBuffer buffer,
[int byteOffset = 0, int length]) =>
length == null
? _create2(buffer, byteOffset)
: _create3(buffer, byteOffset, length);
static const int BYTES_PER_ELEMENT = 2;
int get length => JS("int", '#(#)', fetchLength, this);
int operator[](int index) {
_checkIndex(index, length);
return JS("int", "#[#]", this, index);
}
void operator[]=(int index, int value) {
_checkIndex(index, length);
JS("void", "#[#] = #", this, index, value);
}
List<int> sublist(int start, [int end]) {
end = _checkSublistArguments(start, end, length);
var source = JS('Uint16List', '#.subarray(#, #)', this, start, end)
.._setCachedLength();
return _create1(source);
}
static Uint16List _create1(arg) =>
JS('Uint16List', 'new Uint16Array(#)', arg).._setCachedLength();
static Uint16List _create2(arg1, arg2) =>
JS('Uint16List', 'new Uint16Array(#, #)', arg1, arg2).._setCachedLength();
static Uint16List _create3(arg1, arg2, arg3) =>
JS('Uint16List', 'new Uint16Array(#, #, #)', arg1, arg2, arg3)
.._setCachedLength();
}
class Uint32List
extends TypedData with ListMixin<int>, FixedLengthListMixin<int>
implements JavaScriptIndexingBehavior, List<int>
native "Uint32Array" {
factory Uint32List(int length) => _create1(length);
factory Uint32List.fromList(List<num> list) =>
_create1(_ensureNativeList(list));
factory Uint32List.view(ByteBuffer buffer,
[int byteOffset = 0, int length]) =>
length == null
? _create2(buffer, byteOffset)
: _create3(buffer, byteOffset, length);
static const int BYTES_PER_ELEMENT = 4;
int get length => JS("int", '#(#)', fetchLength, this);
int operator[](int index) {
_checkIndex(index, length);
return JS("int", "#[#]", this, index);
}
void operator[]=(int index, int value) {
_checkIndex(index, length);
JS("void", "#[#] = #", this, index, value);
}
List<int> sublist(int start, [int end]) {
end = _checkSublistArguments(start, end, length);
var source = JS('Uint32List', '#.subarray(#, #)', this, start, end)
.._setCachedLength();
return _create1(source);
}
static Uint32List _create1(arg) =>
JS('Uint32List', 'new Uint32Array(#)', arg).._setCachedLength();
static Uint32List _create2(arg1, arg2) =>
JS('Uint32List', 'new Uint32Array(#, #)', arg1, arg2).._setCachedLength();
static Uint32List _create3(arg1, arg2, arg3) =>
JS('Uint32List', 'new Uint32Array(#, #, #)', arg1, arg2, arg3)
.._setCachedLength();
}
class Uint8ClampedList extends TypedData with ListMixin<int>,
FixedLengthListMixin<int> implements JavaScriptIndexingBehavior, List<int>
native "Uint8ClampedArray,CanvasPixelArray" {
factory Uint8ClampedList(int length) => _create1(length);
factory Uint8ClampedList.fromList(List<num> list) =>
_create1(_ensureNativeList(list));
factory Uint8ClampedList.view(ByteBuffer buffer,
[int byteOffset = 0, int length]) =>
length == null
? _create2(buffer, byteOffset)
: _create3(buffer, byteOffset, length);
static const int BYTES_PER_ELEMENT = 1;
int get length => JS("int", '#(#)', fetchLength, this);
int operator[](int index) {
_checkIndex(index, length);
return JS("int", "#[#]", this, index);
}
void operator[]=(int index, int value) {
_checkIndex(index, length);
JS("void", "#[#] = #", this, index, value);
}
List<int> sublist(int start, [int end]) {
end = _checkSublistArguments(start, end, length);
var source = JS('Uint8ClampedList', '#.subarray(#, #)', this, start, end)
.._setCachedLength();
return _create1(source);
}
static Uint8ClampedList _create1(arg) =>
JS('Uint8ClampedList', 'new Uint8ClampedArray(#)', arg)
.._setCachedLength();
static Uint8ClampedList _create2(arg1, arg2) =>
JS('Uint8ClampedList', 'new Uint8ClampedArray(#, #)', arg1, arg2)
.._setCachedLength();
static Uint8ClampedList _create3(arg1, arg2, arg3) =>
JS('Uint8ClampedList', 'new Uint8ClampedArray(#, #, #)', arg1, arg2, arg3)
.._setCachedLength();
}
class Uint8List
extends TypedData with ListMixin<int>, FixedLengthListMixin<int>
implements JavaScriptIndexingBehavior, List<int>
// On some browsers Uint8ClampedArray is a subtype of Uint8Array. Marking
// Uint8List as !nonleaf ensures that the native dispatch correctly handles
// the potential for Uint8ClampedArray to 'accidentally' pick up the
// dispatch record for Uint8List.
native "Uint8Array,!nonleaf" {
factory Uint8List(int length) => _create1(length);
factory Uint8List.fromList(List<num> list) =>
_create1(_ensureNativeList(list));
factory Uint8List.view(ByteBuffer buffer,
[int byteOffset = 0, int length]) =>
length == null
? _create2(buffer, byteOffset)
: _create3(buffer, byteOffset, length);
static const int BYTES_PER_ELEMENT = 1;
int get length => JS("int", '#(#)', fetchLength, this);
int operator[](int index) {
_checkIndex(index, length);
return JS("int", "#[#]", this, index);
}
void operator[]=(int index, int value) {
_checkIndex(index, length);
JS("void", "#[#] = #", this, index, value);
}
List<int> sublist(int start, [int end]) {
end = _checkSublistArguments(start, end, length);
var source = JS('Uint8List', '#.subarray(#, #)', this, start, end)
.._setCachedLength();
return _create1(source);
}
static Uint8List _create1(arg) =>
JS('Uint8List', 'new Uint8Array(#)', arg).._setCachedLength();
static Uint8List _create2(arg1, arg2) =>
JS('Uint8List', 'new Uint8Array(#, #)', arg1, arg2).._setCachedLength();
static Uint8List _create3(arg1, arg2, arg3) =>
JS('Uint8List', 'new Uint8Array(#, #, #)', arg1, arg2, arg3)
.._setCachedLength();
}
class Int64List extends TypedData implements JavaScriptIndexingBehavior, List<int> {
factory Int64List(int length) {
throw new UnsupportedError("Int64List not supported by dart2js.");
}
factory Int64List.fromList(List<int> list) {
throw new UnsupportedError("Int64List not supported by dart2js.");
}
factory Int64List.view(ByteBuffer buffer, [int byteOffset, int length]) {
throw new UnsupportedError("Int64List not supported by dart2js.");
}
static const int BYTES_PER_ELEMENT = 8;
}
class Uint64List extends TypedData implements JavaScriptIndexingBehavior, List<int> {
factory Uint64List(int length) {
throw new UnsupportedError("Uint64List not supported by dart2js.");
}
factory Uint64List.fromList(List<int> list) {
throw new UnsupportedError("Uint64List not supported by dart2js.");
}
factory Uint64List.view(ByteBuffer buffer, [int byteOffset, int length]) {
throw new UnsupportedError("Uint64List not supported by dart2js.");
}
static const int BYTES_PER_ELEMENT = 8;
}
class Float32x4List
extends Object with ListMixin<Float32x4>, FixedLengthListMixin<Float32x4>
implements List<Float32x4>, TypedData {
final Float32List _storage;
ByteBuffer get buffer => _storage.buffer;
int get lengthInBytes => _storage.lengthInBytes;
int get offsetInBytes => _storage.offsetInBytes;
final int elementSizeInBytes = 16;
void _invalidIndex(int index, int length) {
if (index < 0 || index >= length) {
throw new RangeError.range(index, 0, length);
} else {
throw new ArgumentError('Invalid list index $index');
}
}
void _checkIndex(int index, int length) {
if (JS('bool', '(# >>> 0 != #)', index, index) || index >= length) {
_invalidIndex(index, length);
}
}
int _checkSublistArguments(int start, int end, int length) {
// For `sublist` the [start] and [end] indices are allowed to be equal to
// [length]. However, [_checkIndex] only allows indices in the range
// 0 .. length - 1. We therefore increment the [length] argument by one
// for the [_checkIndex] checks.
_checkIndex(start, length + 1);
if (end == null) return length;
_checkIndex(end, length + 1);
if (start > end) throw new RangeError.range(start, 0, end);
return end;
}
Float32x4List(int length) : _storage = new Float32List(length*4);
Float32x4List._externalStorage(Float32List storage) : _storage = storage;
Float32x4List._slowFromList(List<Float32x4> list)
: _storage = new Float32List(list.length * 4) {
for (int i = 0; i < list.length; i++) {
var e = list[i];
_storage[(i*4)+0] = e.x;
_storage[(i*4)+1] = e.y;
_storage[(i*4)+2] = e.z;
_storage[(i*4)+3] = e.w;
}
}
factory Float32x4List.fromList(List<Float32x4> list) {
if (list is Float32x4List) {
Float32x4List nativeList = list as Float32x4List;
return new Float32x4List._externalStorage(
new Float32List.fromList(nativeList._storage));
} else {
return new Float32x4List._slowFromList(list);
}
}
Float32x4List.view(ByteBuffer buffer,
[int byteOffset = 0, int length])
: _storage = new Float32List.view(buffer, byteOffset, length);
static const int BYTES_PER_ELEMENT = 16;
int get length => _storage.length ~/ 4;
Float32x4 operator[](int index) {
_checkIndex(index, length);
double _x = _storage[(index*4)+0];
double _y = _storage[(index*4)+1];
double _z = _storage[(index*4)+2];
double _w = _storage[(index*4)+3];
return new Float32x4(_x, _y, _z, _w);
}
void operator[]=(int index, Float32x4 value) {
_checkIndex(index, length);
_storage[(index*4)+0] = value._storage[0];
_storage[(index*4)+1] = value._storage[1];
_storage[(index*4)+2] = value._storage[2];
_storage[(index*4)+3] = value._storage[3];
}
List<Float32x4> sublist(int start, [int end]) {
end = _checkSublistArguments(start, end, length);
return new Float32x4List._externalStorage(_storage.sublist(start*4, end*4));
}
}
class Int32x4List
extends Object with ListMixin<Int32x4>, FixedLengthListMixin<Int32x4>
implements List<Int32x4>, TypedData {
final Uint32List _storage;
ByteBuffer get buffer => _storage.buffer;
int get lengthInBytes => _storage.lengthInBytes;
int get offsetInBytes => _storage.offsetInBytes;
final int elementSizeInBytes = 16;
void _invalidIndex(int index, int length) {
if (index < 0 || index >= length) {
throw new RangeError.range(index, 0, length);
} else {
throw new ArgumentError('Invalid list index $index');
}
}
void _checkIndex(int index, int length) {
if (JS('bool', '(# >>> 0 != #)', index, index) || index >= length) {
_invalidIndex(index, length);
}
}
int _checkSublistArguments(int start, int end, int length) {
// For `sublist` the [start] and [end] indices are allowed to be equal to
// [length]. However, [_checkIndex] only allows indices in the range
// 0 .. length - 1. We therefore increment the [length] argument by one
// for the [_checkIndex] checks.
_checkIndex(start, length + 1);
if (end == null) return length;
_checkIndex(end, length + 1);
if (start > end) throw new RangeError.range(start, 0, end);
return end;
}
Int32x4List(int length) : _storage = new Uint32List(length*4);
Int32x4List._externalStorage(Uint32List storage) : _storage = storage;
Int32x4List._slowFromList(List<Int32x4> list)
: _storage = new Uint32List(list.length * 4) {
for (int i = 0; i < list.length; i++) {
var e = list[i];
_storage[(i*4)+0] = e.x;
_storage[(i*4)+1] = e.y;
_storage[(i*4)+2] = e.z;
_storage[(i*4)+3] = e.w;
}
}
factory Int32x4List.fromList(List<Int32x4> list) {
if (list is Int32x4List) {
Int32x4List nativeList = list as Int32x4List;
return new Int32x4List._externalStorage(
new Uint32List.fromList(nativeList._storage));
} else {
return new Int32x4List._slowFromList(list);
}
}
Int32x4List.view(ByteBuffer buffer,
[int byteOffset = 0, int length])
: _storage = new Uint32List.view(buffer, byteOffset, length);
static const int BYTES_PER_ELEMENT = 16;
int get length => _storage.length ~/ 4;
Int32x4 operator[](int index) {
_checkIndex(index, length);
int _x = _storage[(index*4)+0];
int _y = _storage[(index*4)+1];
int _z = _storage[(index*4)+2];
int _w = _storage[(index*4)+3];
return new Int32x4(_x, _y, _z, _w);
}
void operator[]=(int index, Int32x4 value) {
_checkIndex(index, length);
_storage[(index*4)+0] = value._storage[0];
_storage[(index*4)+1] = value._storage[1];
_storage[(index*4)+2] = value._storage[2];
_storage[(index*4)+3] = value._storage[3];
}
List<Int32x4> sublist(int start, [int end]) {
end = _checkSublistArguments(start, end, length);
return new Int32x4List._externalStorage(_storage.sublist(start*4, end*4));
}
}
class Float32x4 {
final _storage = new Float32List(4);
Float32x4(double x, double y, double z, double w) {
_storage[0] = x;
_storage[1] = y;
_storage[2] = z;
_storage[3] = w;
}
Float32x4.splat(double v) {
_storage[0] = v;
_storage[1] = v;
_storage[2] = v;
_storage[3] = v;
}
Float32x4.zero();
/// Returns a bit-wise copy of [x] as a Float32x4.
Float32x4.fromInt32x4Bits(Int32x4 x) {
var view = new Float32List.view(x._storage.buffer);
_storage[0] = view[0];
_storage[1] = view[1];
_storage[2] = view[2];
_storage[3] = view[3];
}
/// Addition operator.
Float32x4 operator+(Float32x4 other) {
double _x = _storage[0] + other._storage[0];
double _y = _storage[1] + other._storage[1];
double _z = _storage[2] + other._storage[2];
double _w = _storage[3] + other._storage[3];
return new Float32x4(_x, _y, _z, _w);
}
/// Negate operator.
Float32x4 operator-() {
double _x = -_storage[0];
double _y = -_storage[1];
double _z = -_storage[2];
double _w = -_storage[3];
return new Float32x4(_x, _y, _z, _w);
}
/// Subtraction operator.
Float32x4 operator-(Float32x4 other) {
double _x = _storage[0] - other._storage[0];
double _y = _storage[1] - other._storage[1];
double _z = _storage[2] - other._storage[2];
double _w = _storage[3] - other._storage[3];
return new Float32x4(_x, _y, _z, _w);
}
/// Multiplication operator.
Float32x4 operator*(Float32x4 other) {
double _x = _storage[0] * other._storage[0];
double _y = _storage[1] * other._storage[1];
double _z = _storage[2] * other._storage[2];
double _w = _storage[3] * other._storage[3];
return new Float32x4(_x, _y, _z, _w);
}
/// Division operator.
Float32x4 operator/(Float32x4 other) {
double _x = _storage[0] / other._storage[0];
double _y = _storage[1] / other._storage[1];
double _z = _storage[2] / other._storage[2];
double _w = _storage[3] / other._storage[3];
return new Float32x4(_x, _y, _z, _w);
}
/// Relational less than.
Int32x4 lessThan(Float32x4 other) {
bool _cx = _storage[0] < other._storage[0];
bool _cy = _storage[1] < other._storage[1];
bool _cz = _storage[2] < other._storage[2];
bool _cw = _storage[3] < other._storage[3];
return new Int32x4(_cx == true ? 0xFFFFFFFF : 0x0,
_cy == true ? 0xFFFFFFFF : 0x0,
_cz == true ? 0xFFFFFFFF : 0x0,
_cw == true ? 0xFFFFFFFF : 0x0);
}
/// Relational less than or equal.
Int32x4 lessThanOrEqual(Float32x4 other) {
bool _cx = _storage[0] <= other._storage[0];
bool _cy = _storage[1] <= other._storage[1];
bool _cz = _storage[2] <= other._storage[2];
bool _cw = _storage[3] <= other._storage[3];
return new Int32x4(_cx == true ? 0xFFFFFFFF : 0x0,
_cy == true ? 0xFFFFFFFF : 0x0,
_cz == true ? 0xFFFFFFFF : 0x0,
_cw == true ? 0xFFFFFFFF : 0x0);
}
/// Relational greater than.
Int32x4 greaterThan(Float32x4 other) {
bool _cx = _storage[0] > other._storage[0];
bool _cy = _storage[1] > other._storage[1];
bool _cz = _storage[2] > other._storage[2];
bool _cw = _storage[3] > other._storage[3];
return new Int32x4(_cx == true ? 0xFFFFFFFF : 0x0,
_cy == true ? 0xFFFFFFFF : 0x0,
_cz == true ? 0xFFFFFFFF : 0x0,
_cw == true ? 0xFFFFFFFF : 0x0);
}
/// Relational greater than or equal.
Int32x4 greaterThanOrEqual(Float32x4 other) {
bool _cx = _storage[0] >= other._storage[0];
bool _cy = _storage[1] >= other._storage[1];
bool _cz = _storage[2] >= other._storage[2];
bool _cw = _storage[3] >= other._storage[3];
return new Int32x4(_cx == true ? 0xFFFFFFFF : 0x0,
_cy == true ? 0xFFFFFFFF : 0x0,
_cz == true ? 0xFFFFFFFF : 0x0,
_cw == true ? 0xFFFFFFFF : 0x0);
}
/// Relational equal.
Int32x4 equal(Float32x4 other) {
bool _cx = _storage[0] == other._storage[0];
bool _cy = _storage[1] == other._storage[1];
bool _cz = _storage[2] == other._storage[2];
bool _cw = _storage[3] == other._storage[3];
return new Int32x4(_cx == true ? 0xFFFFFFFF : 0x0,
_cy == true ? 0xFFFFFFFF : 0x0,
_cz == true ? 0xFFFFFFFF : 0x0,
_cw == true ? 0xFFFFFFFF : 0x0);
}
/// Relational not-equal.
Int32x4 notEqual(Float32x4 other) {
bool _cx = _storage[0] != other._storage[0];
bool _cy = _storage[1] != other._storage[1];
bool _cz = _storage[2] != other._storage[2];
bool _cw = _storage[3] != other._storage[3];
return new Int32x4(_cx == true ? 0xFFFFFFFF : 0x0,
_cy == true ? 0xFFFFFFFF : 0x0,
_cz == true ? 0xFFFFFFFF : 0x0,
_cw == true ? 0xFFFFFFFF : 0x0);
}
/// Returns a copy of [this] each lane being scaled by [s].
Float32x4 scale(double s) {
double _x = s * _storage[0];
double _y = s * _storage[1];
double _z = s * _storage[2];
double _w = s * _storage[3];
return new Float32x4(_x, _y, _z, _w);
}
/// Returns the absolute value of this [Float32x4].
Float32x4 abs() {
double _x = _storage[0].abs();
double _y = _storage[1].abs();
double _z = _storage[2].abs();
double _w = _storage[3].abs();
return new Float32x4(_x, _y, _z, _w);
}
/// Clamps [this] to be in the range [lowerLimit]-[upperLimit].
Float32x4 clamp(Float32x4 lowerLimit, Float32x4 upperLimit) {
double _lx = lowerLimit._storage[0];
double _ly = lowerLimit._storage[1];
double _lz = lowerLimit._storage[2];
double _lw = lowerLimit._storage[3];
double _ux = upperLimit._storage[0];
double _uy = upperLimit._storage[1];
double _uz = upperLimit._storage[2];
double _uw = upperLimit._storage[3];
double _x = _storage[0];
double _y = _storage[1];
double _z = _storage[2];
double _w = _storage[3];
// MAX(MIN(self, upper), lower).
_x = _x > _ux ? _ux : _x;
_y = _y > _uy ? _uy : _y;
_z = _z > _uz ? _uz : _z;
_w = _w > _uw ? _uw : _w;
_x = _x < _lx ? _lx : _x;
_y = _y < _ly ? _ly : _y;
_z = _z < _lz ? _lz : _z;
_w = _w < _lw ? _lw : _w;
return new Float32x4(_x, _y, _z, _w);
}
/// Extracted x value.
double get x => _storage[0];
/// Extracted y value.
double get y => _storage[1];
/// Extracted z value.
double get z => _storage[2];
/// Extracted w value.
double get w => _storage[3];
/// Extract the sign bit from each lane return them in the first 4 bits.
int get signMask {
var view = new Uint32List.view(_storage.buffer);
var mx = (view[0] & 0x80000000) >> 31;
var my = (view[1] & 0x80000000) >> 31;
var mz = (view[2] & 0x80000000) >> 31;
var mw = (view[3] & 0x80000000) >> 31;
return mx | my << 1 | mz << 2 | mw << 3;
}
/// Mask passed to [shuffle] and [shuffleMix].
static const int XXXX = 0x0;
static const int XXXY = 0x40;
static const int XXXZ = 0x80;
static const int XXXW = 0xC0;
static const int XXYX = 0x10;
static const int XXYY = 0x50;
static const int XXYZ = 0x90;
static const int XXYW = 0xD0;
static const int XXZX = 0x20;
static const int XXZY = 0x60;
static const int XXZZ = 0xA0;
static const int XXZW = 0xE0;
static const int XXWX = 0x30;
static const int XXWY = 0x70;
static const int XXWZ = 0xB0;
static const int XXWW = 0xF0;
static const int XYXX = 0x4;
static const int XYXY = 0x44;
static const int XYXZ = 0x84;
static const int XYXW = 0xC4;
static const int XYYX = 0x14;
static const int XYYY = 0x54;
static const int XYYZ = 0x94;
static const int XYYW = 0xD4;
static const int XYZX = 0x24;
static const int XYZY = 0x64;
static const int XYZZ = 0xA4;
static const int XYZW = 0xE4;
static const int XYWX = 0x34;
static const int XYWY = 0x74;
static const int XYWZ = 0xB4;
static const int XYWW = 0xF4;
static const int XZXX = 0x8;
static const int XZXY = 0x48;
static const int XZXZ = 0x88;
static const int XZXW = 0xC8;
static const int XZYX = 0x18;
static const int XZYY = 0x58;
static const int XZYZ = 0x98;
static const int XZYW = 0xD8;
static const int XZZX = 0x28;
static const int XZZY = 0x68;
static const int XZZZ = 0xA8;
static const int XZZW = 0xE8;
static const int XZWX = 0x38;
static const int XZWY = 0x78;
static const int XZWZ = 0xB8;
static const int XZWW = 0xF8;
static const int XWXX = 0xC;
static const int XWXY = 0x4C;
static const int XWXZ = 0x8C;
static const int XWXW = 0xCC;
static const int XWYX = 0x1C;
static const int XWYY = 0x5C;
static const int XWYZ = 0x9C;
static const int XWYW = 0xDC;
static const int XWZX = 0x2C;
static const int XWZY = 0x6C;
static const int XWZZ = 0xAC;
static const int XWZW = 0xEC;
static const int XWWX = 0x3C;
static const int XWWY = 0x7C;
static const int XWWZ = 0xBC;
static const int XWWW = 0xFC;
static const int YXXX = 0x1;
static const int YXXY = 0x41;
static const int YXXZ = 0x81;
static const int YXXW = 0xC1;
static const int YXYX = 0x11;
static const int YXYY = 0x51;
static const int YXYZ = 0x91;
static const int YXYW = 0xD1;
static const int YXZX = 0x21;
static const int YXZY = 0x61;
static const int YXZZ = 0xA1;
static const int YXZW = 0xE1;
static const int YXWX = 0x31;
static const int YXWY = 0x71;
static const int YXWZ = 0xB1;
static const int YXWW = 0xF1;
static const int YYXX = 0x5;
static const int YYXY = 0x45;
static const int YYXZ = 0x85;
static const int YYXW = 0xC5;
static const int YYYX = 0x15;
static const int YYYY = 0x55;
static const int YYYZ = 0x95;
static const int YYYW = 0xD5;
static const int YYZX = 0x25;
static const int YYZY = 0x65;
static const int YYZZ = 0xA5;
static const int YYZW = 0xE5;
static const int YYWX = 0x35;
static const int YYWY = 0x75;
static const int YYWZ = 0xB5;
static const int YYWW = 0xF5;
static const int YZXX = 0x9;
static const int YZXY = 0x49;
static const int YZXZ = 0x89;
static const int YZXW = 0xC9;
static const int YZYX = 0x19;
static const int YZYY = 0x59;
static const int YZYZ = 0x99;
static const int YZYW = 0xD9;
static const int YZZX = 0x29;
static const int YZZY = 0x69;
static const int YZZZ = 0xA9;
static const int YZZW = 0xE9;
static const int YZWX = 0x39;
static const int YZWY = 0x79;
static const int YZWZ = 0xB9;
static const int YZWW = 0xF9;
static const int YWXX = 0xD;
static const int YWXY = 0x4D;
static const int YWXZ = 0x8D;
static const int YWXW = 0xCD;
static const int YWYX = 0x1D;
static const int YWYY = 0x5D;
static const int YWYZ = 0x9D;
static const int YWYW = 0xDD;
static const int YWZX = 0x2D;
static const int YWZY = 0x6D;
static const int YWZZ = 0xAD;
static const int YWZW = 0xED;
static const int YWWX = 0x3D;
static const int YWWY = 0x7D;
static const int YWWZ = 0xBD;
static const int YWWW = 0xFD;
static const int ZXXX = 0x2;
static const int ZXXY = 0x42;
static const int ZXXZ = 0x82;
static const int ZXXW = 0xC2;
static const int ZXYX = 0x12;
static const int ZXYY = 0x52;
static const int ZXYZ = 0x92;
static const int ZXYW = 0xD2;
static const int ZXZX = 0x22;
static const int ZXZY = 0x62;
static const int ZXZZ = 0xA2;
static const int ZXZW = 0xE2;
static const int ZXWX = 0x32;
static const int ZXWY = 0x72;
static const int ZXWZ = 0xB2;
static const int ZXWW = 0xF2;
static const int ZYXX = 0x6;
static const int ZYXY = 0x46;
static const int ZYXZ = 0x86;
static const int ZYXW = 0xC6;
static const int ZYYX = 0x16;
static const int ZYYY = 0x56;
static const int ZYYZ = 0x96;
static const int ZYYW = 0xD6;
static const int ZYZX = 0x26;
static const int ZYZY = 0x66;
static const int ZYZZ = 0xA6;
static const int ZYZW = 0xE6;
static const int ZYWX = 0x36;
static const int ZYWY = 0x76;
static const int ZYWZ = 0xB6;
static const int ZYWW = 0xF6;
static const int ZZXX = 0xA;
static const int ZZXY = 0x4A;
static const int ZZXZ = 0x8A;
static const int ZZXW = 0xCA;
static const int ZZYX = 0x1A;
static const int ZZYY = 0x5A;
static const int ZZYZ = 0x9A;
static const int ZZYW = 0xDA;
static const int ZZZX = 0x2A;
static const int ZZZY = 0x6A;
static const int ZZZZ = 0xAA;
static const int ZZZW = 0xEA;
static const int ZZWX = 0x3A;
static const int ZZWY = 0x7A;
static const int ZZWZ = 0xBA;
static const int ZZWW = 0xFA;
static const int ZWXX = 0xE;
static const int ZWXY = 0x4E;
static const int ZWXZ = 0x8E;
static const int ZWXW = 0xCE;
static const int ZWYX = 0x1E;
static const int ZWYY = 0x5E;
static const int ZWYZ = 0x9E;
static const int ZWYW = 0xDE;
static const int ZWZX = 0x2E;
static const int ZWZY = 0x6E;
static const int ZWZZ = 0xAE;
static const int ZWZW = 0xEE;
static const int ZWWX = 0x3E;
static const int ZWWY = 0x7E;
static const int ZWWZ = 0xBE;
static const int ZWWW = 0xFE;
static const int WXXX = 0x3;
static const int WXXY = 0x43;
static const int WXXZ = 0x83;
static const int WXXW = 0xC3;
static const int WXYX = 0x13;
static const int WXYY = 0x53;
static const int WXYZ = 0x93;
static const int WXYW = 0xD3;
static const int WXZX = 0x23;
static const int WXZY = 0x63;
static const int WXZZ = 0xA3;
static const int WXZW = 0xE3;
static const int WXWX = 0x33;
static const int WXWY = 0x73;
static const int WXWZ = 0xB3;
static const int WXWW = 0xF3;
static const int WYXX = 0x7;
static const int WYXY = 0x47;
static const int WYXZ = 0x87;
static const int WYXW = 0xC7;
static const int WYYX = 0x17;
static const int WYYY = 0x57;
static const int WYYZ = 0x97;
static const int WYYW = 0xD7;
static const int WYZX = 0x27;
static const int WYZY = 0x67;
static const int WYZZ = 0xA7;
static const int WYZW = 0xE7;
static const int WYWX = 0x37;
static const int WYWY = 0x77;
static const int WYWZ = 0xB7;
static const int WYWW = 0xF7;
static const int WZXX = 0xB;
static const int WZXY = 0x4B;
static const int WZXZ = 0x8B;
static const int WZXW = 0xCB;
static const int WZYX = 0x1B;
static const int WZYY = 0x5B;
static const int WZYZ = 0x9B;
static const int WZYW = 0xDB;
static const int WZZX = 0x2B;
static const int WZZY = 0x6B;
static const int WZZZ = 0xAB;
static const int WZZW = 0xEB;
static const int WZWX = 0x3B;
static const int WZWY = 0x7B;
static const int WZWZ = 0xBB;
static const int WZWW = 0xFB;
static const int WWXX = 0xF;
static const int WWXY = 0x4F;
static const int WWXZ = 0x8F;
static const int WWXW = 0xCF;
static const int WWYX = 0x1F;
static const int WWYY = 0x5F;
static const int WWYZ = 0x9F;
static const int WWYW = 0xDF;
static const int WWZX = 0x2F;
static const int WWZY = 0x6F;
static const int WWZZ = 0xAF;
static const int WWZW = 0xEF;
static const int WWWX = 0x3F;
static const int WWWY = 0x7F;
static const int WWWZ = 0xBF;
static const int WWWW = 0xFF;
/// Shuffle the lane values. [mask] must be one of the 256 shuffle constants.
Float32x4 shuffle(int m) {
if ((m < 0) || (m > 255)) {
throw new RangeError('mask $m must be in the range [0..256)');
}
double _x = _storage[m & 0x3];
double _y = _storage[(m >> 2) & 0x3];
double _z = _storage[(m >> 4) & 0x3];
double _w = _storage[(m >> 6) & 0x3];
return new Float32x4(_x, _y, _z, _w);
}
/// Shuffle the lane values in [this] and [other]. The returned
/// Float32x4 will have XY lanes from [this] and ZW lanes from [other].
/// Uses the same [mask] as [shuffle].
Float32x4 shuffleMix(Float32x4 other, int m) {
if ((m < 0) || (m > 255)) {
throw new RangeError('mask $m must be in the range [0..256)');
}
double _x = _storage[m & 0x3];
double _y = _storage[(m >> 2) & 0x3];
double _z = other._storage[(m >> 4) & 0x3];
double _w = other._storage[(m >> 6) & 0x3];
return new Float32x4(_x, _y, _z, _w);
}
/// Copy [this] and replace the [x] lane.
Float32x4 withX(double x) {
double _x = x;
double _y = _storage[1];
double _z = _storage[2];
double _w = _storage[3];
return new Float32x4(_x, _y, _z, _w);
}
/// Copy [this] and replace the [y] lane.
Float32x4 withY(double y) {
double _x = _storage[0];
double _y = y;
double _z = _storage[2];
double _w = _storage[3];
return new Float32x4(_x, _y, _z, _w);
}
/// Copy [this] and replace the [z] lane.
Float32x4 withZ(double z) {
double _x = _storage[0];
double _y = _storage[1];
double _z = z;
double _w = _storage[3];
return new Float32x4(_x, _y, _z, _w);
}
/// Copy [this] and replace the [w] lane.
Float32x4 withW(double w) {
double _x = _storage[0];
double _y = _storage[1];
double _z = _storage[2];
double _w = w;
return new Float32x4(_x, _y, _z, _w);
}
/// Returns the lane-wise minimum value in [this] or [other].
Float32x4 min(Float32x4 other) {
double _x = _storage[0] < other._storage[0] ?
_storage[0] : other._storage[0];
double _y = _storage[1] < other._storage[1] ?
_storage[1] : other._storage[1];
double _z = _storage[2] < other._storage[2] ?
_storage[2] : other._storage[2];
double _w = _storage[3] < other._storage[3] ?
_storage[3] : other._storage[3];
return new Float32x4(_x, _y, _z, _w);
}
/// Returns the lane-wise maximum value in [this] or [other].
Float32x4 max(Float32x4 other) {
double _x = _storage[0] > other._storage[0] ?
_storage[0] : other._storage[0];
double _y = _storage[1] > other._storage[1] ?
_storage[1] : other._storage[1];
double _z = _storage[2] > other._storage[2] ?
_storage[2] : other._storage[2];
double _w = _storage[3] > other._storage[3] ?
_storage[3] : other._storage[3];
return new Float32x4(_x, _y, _z, _w);
}
/// Returns the square root of [this].
Float32x4 sqrt() {
double _x = Math.sqrt(_storage[0]);
double _y = Math.sqrt(_storage[1]);
double _z = Math.sqrt(_storage[2]);
double _w = Math.sqrt(_storage[3]);
return new Float32x4(_x, _y, _z, _w);
}
/// Returns the reciprocal of [this].
Float32x4 reciprocal() {
double _x = 1.0 / _storage[0];
double _y = 1.0 / _storage[1];
double _z = 1.0 / _storage[2];
double _w = 1.0 / _storage[3];
return new Float32x4(_x, _y, _z, _w);
}
/// Returns the square root of the reciprocal of [this].
Float32x4 reciprocalSqrt() {
double _x = Math.sqrt(1.0 / _storage[0]);
double _y = Math.sqrt(1.0 / _storage[1]);
double _z = Math.sqrt(1.0 / _storage[2]);
double _w = Math.sqrt(1.0 / _storage[3]);
return new Float32x4(_x, _y, _z, _w);
}
}
class Int32x4 {
final _storage = new Int32List(4);
Int32x4(int x, int y, int z, int w) {
_storage[0] = x;
_storage[1] = y;
_storage[2] = z;
_storage[3] = w;
}
Int32x4.bool(bool x, bool y, bool z, bool w) {
_storage[0] = x == true ? 0xFFFFFFFF : 0x0;
_storage[1] = y == true ? 0xFFFFFFFF : 0x0;
_storage[2] = z == true ? 0xFFFFFFFF : 0x0;
_storage[3] = w == true ? 0xFFFFFFFF : 0x0;
}
/// Returns a bit-wise copy of [x] as a Int32x4.
Int32x4.fromFloat32x4Bits(Float32x4 x) {
var view = new Uint32List.view(x._storage.buffer);
_storage[0] = view[0];
_storage[1] = view[1];
_storage[2] = view[2];
_storage[3] = view[3];
}
/// The bit-wise or operator.
Int32x4 operator|(Int32x4 other) {
int _x = _storage[0] | other._storage[0];
int _y = _storage[1] | other._storage[1];
int _z = _storage[2] | other._storage[2];
int _w = _storage[3] | other._storage[3];
return new Int32x4(_x, _y, _z, _w);
}
/// The bit-wise and operator.
Int32x4 operator&(Int32x4 other) {
int _x = _storage[0] & other._storage[0];
int _y = _storage[1] & other._storage[1];
int _z = _storage[2] & other._storage[2];
int _w = _storage[3] & other._storage[3];
return new Int32x4(_x, _y, _z, _w);
}
/// The bit-wise xor operator.
Int32x4 operator^(Int32x4 other) {
int _x = _storage[0] ^ other._storage[0];
int _y = _storage[1] ^ other._storage[1];
int _z = _storage[2] ^ other._storage[2];
int _w = _storage[3] ^ other._storage[3];
return new Int32x4(_x, _y, _z, _w);
}
Int32x4 operator+(Int32x4 other) {
var r = new Int32x4(0, 0, 0, 0);
r._storage[0] = (_storage[0] + other._storage[0]);
r._storage[1] = (_storage[1] + other._storage[1]);
r._storage[2] = (_storage[2] + other._storage[2]);
r._storage[3] = (_storage[3] + other._storage[3]);
return r;
}
Int32x4 operator-(Int32x4 other) {
var r = new Int32x4(0, 0, 0, 0);
r._storage[0] = (_storage[0] - other._storage[0]);
r._storage[1] = (_storage[1] - other._storage[1]);
r._storage[2] = (_storage[2] - other._storage[2]);
r._storage[3] = (_storage[3] - other._storage[3]);
return r;
}
/// Extract 32-bit mask from x lane.
int get x => _storage[0];
/// Extract 32-bit mask from y lane.
int get y => _storage[1];
/// Extract 32-bit mask from z lane.
int get z => _storage[2];
/// Extract 32-bit mask from w lane.
int get w => _storage[3];
/// Extract the top bit from each lane return them in the first 4 bits.
int get signMask {
int mx = (_storage[0] & 0x80000000) >> 31;
int my = (_storage[1] & 0x80000000) >> 31;
int mz = (_storage[2] & 0x80000000) >> 31;
int mw = (_storage[3] & 0x80000000) >> 31;
return mx | my << 1 | mz << 2 | mw << 3;
}
/// Mask passed to [shuffle] and [shuffleMix].
static const int XXXX = 0x0;
static const int XXXY = 0x40;
static const int XXXZ = 0x80;
static const int XXXW = 0xC0;
static const int XXYX = 0x10;
static const int XXYY = 0x50;
static const int XXYZ = 0x90;
static const int XXYW = 0xD0;
static const int XXZX = 0x20;
static const int XXZY = 0x60;
static const int XXZZ = 0xA0;
static const int XXZW = 0xE0;
static const int XXWX = 0x30;
static const int XXWY = 0x70;
static const int XXWZ = 0xB0;
static const int XXWW = 0xF0;
static const int XYXX = 0x4;
static const int XYXY = 0x44;
static const int XYXZ = 0x84;
static const int XYXW = 0xC4;
static const int XYYX = 0x14;
static const int XYYY = 0x54;
static const int XYYZ = 0x94;
static const int XYYW = 0xD4;
static const int XYZX = 0x24;
static const int XYZY = 0x64;
static const int XYZZ = 0xA4;
static const int XYZW = 0xE4;
static const int XYWX = 0x34;
static const int XYWY = 0x74;
static const int XYWZ = 0xB4;
static const int XYWW = 0xF4;
static const int XZXX = 0x8;
static const int XZXY = 0x48;
static const int XZXZ = 0x88;
static const int XZXW = 0xC8;
static const int XZYX = 0x18;
static const int XZYY = 0x58;
static const int XZYZ = 0x98;
static const int XZYW = 0xD8;
static const int XZZX = 0x28;
static const int XZZY = 0x68;
static const int XZZZ = 0xA8;
static const int XZZW = 0xE8;
static const int XZWX = 0x38;
static const int XZWY = 0x78;
static const int XZWZ = 0xB8;
static const int XZWW = 0xF8;
static const int XWXX = 0xC;
static const int XWXY = 0x4C;
static const int XWXZ = 0x8C;
static const int XWXW = 0xCC;
static const int XWYX = 0x1C;
static const int XWYY = 0x5C;
static const int XWYZ = 0x9C;
static const int XWYW = 0xDC;
static const int XWZX = 0x2C;
static const int XWZY = 0x6C;
static const int XWZZ = 0xAC;
static const int XWZW = 0xEC;
static const int XWWX = 0x3C;
static const int XWWY = 0x7C;
static const int XWWZ = 0xBC;
static const int XWWW = 0xFC;
static const int YXXX = 0x1;
static const int YXXY = 0x41;
static const int YXXZ = 0x81;
static const int YXXW = 0xC1;
static const int YXYX = 0x11;
static const int YXYY = 0x51;
static const int YXYZ = 0x91;
static const int YXYW = 0xD1;
static const int YXZX = 0x21;
static const int YXZY = 0x61;
static const int YXZZ = 0xA1;
static const int YXZW = 0xE1;
static const int YXWX = 0x31;
static const int YXWY = 0x71;
static const int YXWZ = 0xB1;
static const int YXWW = 0xF1;
static const int YYXX = 0x5;
static const int YYXY = 0x45;
static const int YYXZ = 0x85;
static const int YYXW = 0xC5;
static const int YYYX = 0x15;
static const int YYYY = 0x55;
static const int YYYZ = 0x95;
static const int YYYW = 0xD5;
static const int YYZX = 0x25;
static const int YYZY = 0x65;
static const int YYZZ = 0xA5;
static const int YYZW = 0xE5;
static const int YYWX = 0x35;
static const int YYWY = 0x75;
static const int YYWZ = 0xB5;
static const int YYWW = 0xF5;
static const int YZXX = 0x9;
static const int YZXY = 0x49;
static const int YZXZ = 0x89;
static const int YZXW = 0xC9;
static const int YZYX = 0x19;
static const int YZYY = 0x59;
static const int YZYZ = 0x99;
static const int YZYW = 0xD9;
static const int YZZX = 0x29;
static const int YZZY = 0x69;
static const int YZZZ = 0xA9;
static const int YZZW = 0xE9;
static const int YZWX = 0x39;
static const int YZWY = 0x79;
static const int YZWZ = 0xB9;
static const int YZWW = 0xF9;
static const int YWXX = 0xD;
static const int YWXY = 0x4D;
static const int YWXZ = 0x8D;
static const int YWXW = 0xCD;
static const int YWYX = 0x1D;
static const int YWYY = 0x5D;
static const int YWYZ = 0x9D;
static const int YWYW = 0xDD;
static const int YWZX = 0x2D;
static const int YWZY = 0x6D;
static const int YWZZ = 0xAD;
static const int YWZW = 0xED;
static const int YWWX = 0x3D;
static const int YWWY = 0x7D;
static const int YWWZ = 0xBD;
static const int YWWW = 0xFD;
static const int ZXXX = 0x2;
static const int ZXXY = 0x42;
static const int ZXXZ = 0x82;
static const int ZXXW = 0xC2;
static const int ZXYX = 0x12;
static const int ZXYY = 0x52;
static const int ZXYZ = 0x92;
static const int ZXYW = 0xD2;
static const int ZXZX = 0x22;
static const int ZXZY = 0x62;
static const int ZXZZ = 0xA2;
static const int ZXZW = 0xE2;
static const int ZXWX = 0x32;
static const int ZXWY = 0x72;
static const int ZXWZ = 0xB2;
static const int ZXWW = 0xF2;
static const int ZYXX = 0x6;
static const int ZYXY = 0x46;
static const int ZYXZ = 0x86;
static const int ZYXW = 0xC6;
static const int ZYYX = 0x16;
static const int ZYYY = 0x56;
static const int ZYYZ = 0x96;
static const int ZYYW = 0xD6;
static const int ZYZX = 0x26;
static const int ZYZY = 0x66;
static const int ZYZZ = 0xA6;
static const int ZYZW = 0xE6;
static const int ZYWX = 0x36;
static const int ZYWY = 0x76;
static const int ZYWZ = 0xB6;
static const int ZYWW = 0xF6;
static const int ZZXX = 0xA;
static const int ZZXY = 0x4A;
static const int ZZXZ = 0x8A;
static const int ZZXW = 0xCA;
static const int ZZYX = 0x1A;
static const int ZZYY = 0x5A;
static const int ZZYZ = 0x9A;
static const int ZZYW = 0xDA;
static const int ZZZX = 0x2A;
static const int ZZZY = 0x6A;
static const int ZZZZ = 0xAA;
static const int ZZZW = 0xEA;
static const int ZZWX = 0x3A;
static const int ZZWY = 0x7A;
static const int ZZWZ = 0xBA;
static const int ZZWW = 0xFA;
static const int ZWXX = 0xE;
static const int ZWXY = 0x4E;
static const int ZWXZ = 0x8E;
static const int ZWXW = 0xCE;
static const int ZWYX = 0x1E;
static const int ZWYY = 0x5E;
static const int ZWYZ = 0x9E;
static const int ZWYW = 0xDE;
static const int ZWZX = 0x2E;
static const int ZWZY = 0x6E;
static const int ZWZZ = 0xAE;
static const int ZWZW = 0xEE;
static const int ZWWX = 0x3E;
static const int ZWWY = 0x7E;
static const int ZWWZ = 0xBE;
static const int ZWWW = 0xFE;
static const int WXXX = 0x3;
static const int WXXY = 0x43;
static const int WXXZ = 0x83;
static const int WXXW = 0xC3;
static const int WXYX = 0x13;
static const int WXYY = 0x53;
static const int WXYZ = 0x93;
static const int WXYW = 0xD3;
static const int WXZX = 0x23;
static const int WXZY = 0x63;
static const int WXZZ = 0xA3;
static const int WXZW = 0xE3;
static const int WXWX = 0x33;
static const int WXWY = 0x73;
static const int WXWZ = 0xB3;
static const int WXWW = 0xF3;
static const int WYXX = 0x7;
static const int WYXY = 0x47;
static const int WYXZ = 0x87;
static const int WYXW = 0xC7;
static const int WYYX = 0x17;
static const int WYYY = 0x57;
static const int WYYZ = 0x97;
static const int WYYW = 0xD7;
static const int WYZX = 0x27;
static const int WYZY = 0x67;
static const int WYZZ = 0xA7;
static const int WYZW = 0xE7;
static const int WYWX = 0x37;
static const int WYWY = 0x77;
static const int WYWZ = 0xB7;
static const int WYWW = 0xF7;
static const int WZXX = 0xB;
static const int WZXY = 0x4B;
static const int WZXZ = 0x8B;
static const int WZXW = 0xCB;
static const int WZYX = 0x1B;
static const int WZYY = 0x5B;
static const int WZYZ = 0x9B;
static const int WZYW = 0xDB;
static const int WZZX = 0x2B;
static const int WZZY = 0x6B;
static const int WZZZ = 0xAB;
static const int WZZW = 0xEB;
static const int WZWX = 0x3B;
static const int WZWY = 0x7B;
static const int WZWZ = 0xBB;
static const int WZWW = 0xFB;
static const int WWXX = 0xF;
static const int WWXY = 0x4F;
static const int WWXZ = 0x8F;
static const int WWXW = 0xCF;
static const int WWYX = 0x1F;
static const int WWYY = 0x5F;
static const int WWYZ = 0x9F;
static const int WWYW = 0xDF;
static const int WWZX = 0x2F;
static const int WWZY = 0x6F;
static const int WWZZ = 0xAF;
static const int WWZW = 0xEF;
static const int WWWX = 0x3F;
static const int WWWY = 0x7F;
static const int WWWZ = 0xBF;
static const int WWWW = 0xFF;
/// Shuffle the lane values. [mask] must be one of the 256 shuffle constants.
Int32x4 shuffle(int mask) {
if ((mask < 0) || (mask > 255)) {
throw new RangeError('mask $mask must be in the range [0..256)');
}
int _x = _storage[mask & 0x3];
int _y = _storage[(mask >> 2) & 0x3];
int _z = _storage[(mask >> 4) & 0x3];
int _w = _storage[(mask >> 6) & 0x3];
return new Int32x4(_x, _y, _z, _w);
}
/// Shuffle the lane values in [this] and [other]. The returned
/// Int32x4 will have XY lanes from [this] and ZW lanes from [other].
/// Uses the same [mask] as [shuffle].
Int32x4 shuffleMix(Int32x4 other, int mask) {
if ((mask < 0) || (mask > 255)) {
throw new RangeError('mask $mask must be in the range [0..256)');
}
int _x = _storage[mask & 0x3];
int _y = _storage[(mask >> 2) & 0x3];
int _z = other._storage[(mask >> 4) & 0x3];
int _w = other._storage[(mask >> 6) & 0x3];
return new Int32x4(_x, _y, _z, _w);
}
/// Returns a new [Int32x4] copied from [this] with a new x value.
Int32x4 withX(int x) {
int _x = x;
int _y = _storage[1];
int _z = _storage[2];
int _w = _storage[3];
return new Int32x4(_x, _y, _z, _w);
}
/// Returns a new [Int32x4] copied from [this] with a new y value.
Int32x4 withY(int y) {
int _x = _storage[0];
int _y = y;
int _z = _storage[2];
int _w = _storage[3];
return new Int32x4(_x, _y, _z, _w);
}
/// Returns a new [Int32x4] copied from [this] with a new z value.
Int32x4 withZ(int z) {
int _x = _storage[0];
int _y = _storage[1];
int _z = z;
int _w = _storage[3];
return new Int32x4(_x, _y, _z, _w);
}
/// Returns a new [Int32x4] copied from [this] with a new w value.
Int32x4 withW(int w) {
int _x = _storage[0];
int _y = _storage[1];
int _z = _storage[2];
int _w = w;
return new Int32x4(_x, _y, _z, _w);
}
/// Extracted x value. Returns false for 0, true for any other value.
bool get flagX => _storage[0] != 0x0;
/// Extracted y value. Returns false for 0, true for any other value.
bool get flagY => _storage[1] != 0x0;
/// Extracted z value. Returns false for 0, true for any other value.
bool get flagZ => _storage[2] != 0x0;
/// Extracted w value. Returns false for 0, true for any other value.
bool get flagW => _storage[3] != 0x0;
/// Returns a new [Int32x4] copied from [this] with a new x value.
Int32x4 withFlagX(bool x) {
int _x = x == true ? 0xFFFFFFFF : 0x0;
int _y = _storage[1];
int _z = _storage[2];
int _w = _storage[3];
return new Int32x4(_x, _y, _z, _w);
}
/// Returns a new [Int32x4] copied from [this] with a new y value.
Int32x4 withFlagY(bool y) {
int _x = _storage[0];
int _y = y == true ? 0xFFFFFFFF : 0x0;
int _z = _storage[2];
int _w = _storage[3];
return new Int32x4(_x, _y, _z, _w);
}
/// Returns a new [Int32x4] copied from [this] with a new z value.
Int32x4 withFlagZ(bool z) {
int _x = _storage[0];
int _y = _storage[1];
int _z = z == true ? 0xFFFFFFFF : 0x0;
int _w = _storage[3];
return new Int32x4(_x, _y, _z, _w);
}
/// Returns a new [Int32x4] copied from [this] with a new w value.
Int32x4 withFlagW(bool w) {
int _x = _storage[0];
int _y = _storage[1];
int _z = _storage[2];
int _w = w == true ? 0xFFFFFFFF : 0x0;
return new Int32x4(_x, _y, _z, _w);
}
/// Merge [trueValue] and [falseValue] based on [this]' bit mask:
/// Select bit from [trueValue] when bit in [this] is on.
/// Select bit from [falseValue] when bit in [this] is off.
Float32x4 select(Float32x4 trueValue, Float32x4 falseValue) {
var trueView = new Int32List.view(trueValue._storage.buffer);
var falseView = new Int32List.view(falseValue._storage.buffer);
int cmx = _storage[0];
int cmy = _storage[1];
int cmz = _storage[2];
int cmw = _storage[3];
int stx = trueView[0];
int sty = trueView[1];
int stz = trueView[2];
int stw = trueView[3];
int sfx = falseView[0];
int sfy = falseView[1];
int sfz = falseView[2];
int sfw = falseView[3];
int _x = (cmx & stx) | (~cmx & sfx);
int _y = (cmy & sty) | (~cmy & sfy);
int _z = (cmz & stz) | (~cmz & sfz);
int _w = (cmw & stw) | (~cmw & sfw);
var r = new Float32x4(0.0, 0.0, 0.0, 0.0);
var rView = new Int32List.view(r._storage.buffer);
rView[0] = _x;
rView[1] = _y;
rView[2] = _z;
rView[3] = _w;
return r;
}
}