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📄 ktx-parse.module.js

📊 Analysis Summary

Metric Count
🔧 Functions 14
🧱 Classes 2
📊 Variables & Constants 305

📚 Table of Contents

🛠️ File Location:

📂 examples/jsm/libs/ktx-parse.module.js

Variables & Constants

Name Type Kind Value Exported
t 0 let/var 0 ✗
e 1 let/var 1 ✗
n 2 let/var 2 ✗
i 3 let/var 3 ✗
s 0 let/var 0 ✗
a 0 let/var 0 ✗
r 2 let/var 2 ✗
o 0 let/var 0 ✗
l 1 let/var 1 ✗
f 160 let/var 160 ✗
h 161 let/var 161 ✗
U 162 let/var 162 ✗
c 163 let/var 163 ✗
_ 166 let/var 166 ✗
p 0 let/var 0 ✗
g 1 let/var 1 ✗
y 0 let/var 0 ✗
x 1 let/var 1 ✗
u 2 let/var 2 ✗
b 3 let/var 3 ✗
d 4 let/var 4 ✗
w 5 let/var 5 ✗
m 6 let/var 6 ✗
D 7 let/var 7 ✗
B 8 let/var 8 ✗
L 9 let/var 9 ✗
v 10 let/var 10 ✗
A 11 let/var 11 ✗
k 12 let/var 12 ✗
V 13 let/var 13 ✗
I 14 let/var 14 ✗
S 15 let/var 15 ✗
F 16 let/var 16 ✗
O 17 let/var 17 ✗
E 18 let/var 18 ✗
T 0 let/var 0 ✗
C 1 let/var 1 ✗
M 2 let/var 2 ✗
P 3 let/var 3 ✗
z 4 let/var 4 ✗
W 5 let/var 5 ✗
H 6 let/var 6 ✗
N 7 let/var 7 ✗
K 8 let/var 8 ✗
X 9 let/var 9 ✗
R 10 let/var 10 ✗
Y 11 let/var 11 ✗
j 0 let/var 0 ✗
q 1 let/var 1 ✗
G 2 let/var 2 ✗
J 13 let/var 13 ✗
Q 14 let/var 14 ✗
Z 15 let/var 15 ✗
$ 128 let/var 128 ✗
tt 64 let/var 64 ✗
et 32 let/var 32 ✗
nt 16 let/var 16 ✗
it 0 let/var 0 ✗
st 1 let/var 1 ✗
at 2 let/var 2 ✗
rt 3 let/var 3 ✗
ot 4 let/var 4 ✗
lt 5 let/var 5 ✗
ft 6 let/var 6 ✗
ht 7 let/var 7 ✗
Ut 8 let/var 8 ✗
ct 9 let/var 9 ✗
_t 10 let/var 10 ✗
pt 13 let/var 13 ✗
gt 14 let/var 14 ✗
yt 15 let/var 15 ✗
xt 16 let/var 16 ✗
ut 17 let/var 17 ✗
bt 20 let/var 20 ✗
dt 21 let/var 21 ✗
wt 22 let/var 22 ✗
mt 23 let/var 23 ✗
Dt 24 let/var 24 ✗
Bt 27 let/var 27 ✗
Lt 28 let/var 28 ✗
vt 29 let/var 29 ✗
At 30 let/var 30 ✗
kt 31 let/var 31 ✗
Vt 34 let/var 34 ✗
It 35 let/var 35 ✗
St 36 let/var 36 ✗
Ft 37 let/var 37 ✗
Ot 38 let/var 38 ✗
Et 41 let/var 41 ✗
Tt 42 let/var 42 ✗
Ct 43 let/var 43 ✗
Mt 44 let/var 44 ✗
Pt 45 let/var 45 ✗
zt 48 let/var 48 ✗
Wt 49 let/var 49 ✗
Ht 50 let/var 50 ✗
Nt 58 let/var 58 ✗
Kt 59 let/var 59 ✗
Xt 62 let/var 62 ✗
Rt 63 let/var 63 ✗
Yt 64 let/var 64 ✗
jt 65 let/var 65 ✗
qt 68 let/var 68 ✗
Gt 69 let/var 69 ✗
Jt 70 let/var 70 ✗
Qt 71 let/var 71 ✗
Zt 74 let/var 74 ✗
$t 75 let/var 75 ✗
te 76 let/var 76 ✗
ee 77 let/var 77 ✗
ne 78 let/var 78 ✗
ie 81 let/var 81 ✗
se 82 let/var 82 ✗
ae 83 let/var 83 ✗
re 84 let/var 84 ✗
oe 85 let/var 85 ✗
le 88 let/var 88 ✗
fe 89 let/var 89 ✗
he 90 let/var 90 ✗
Ue 91 let/var 91 ✗
ce 92 let/var 92 ✗
_e 95 let/var 95 ✗
pe 96 let/var 96 ✗
ge 97 let/var 97 ✗
ye 98 let/var 98 ✗
xe 99 let/var 99 ✗
ue 100 let/var 100 ✗
be 101 let/var 101 ✗
de 102 let/var 102 ✗
we 103 let/var 103 ✗
me 104 let/var 104 ✗
De 105 let/var 105 ✗
Be 106 let/var 106 ✗
Le 107 let/var 107 ✗
ve 108 let/var 108 ✗
Ae 109 let/var 109 ✗
ke 110 let/var 110 ✗
Ve 111 let/var 111 ✗
Ie 112 let/var 112 ✗
Se 113 let/var 113 ✗
Fe 114 let/var 114 ✗
Oe 115 let/var 115 ✗
Ee 116 let/var 116 ✗
Te 117 let/var 117 ✗
Ce 118 let/var 118 ✗
Me 119 let/var 119 ✗
Pe 120 let/var 120 ✗
ze 121 let/var 121 ✗
We 122 let/var 122 ✗
He 123 let/var 123 ✗
Ne 124 let/var 124 ✗
Ke 125 let/var 125 ✗
Xe 126 let/var 126 ✗
Re 127 let/var 127 ✗
Ye 128 let/var 128 ✗
je 129 let/var 129 ✗
qe 130 let/var 130 ✗
Ge 131 let/var 131 ✗
Je 132 let/var 132 ✗
Qe 133 let/var 133 ✗
Ze 134 let/var 134 ✗
$e 135 let/var 135 ✗
tn 136 let/var 136 ✗
en 137 let/var 137 ✗
nn 138 let/var 138 ✗
sn 139 let/var 139 ✗
an 140 let/var 140 ✗
rn 141 let/var 141 ✗
on 142 let/var 142 ✗
ln 143 let/var 143 ✗
fn 144 let/var 144 ✗
hn 145 let/var 145 ✗
Un 146 let/var 146 ✗
cn 147 let/var 147 ✗
_n 148 let/var 148 ✗
pn 149 let/var 149 ✗
gn 150 let/var 150 ✗
yn 151 let/var 151 ✗
xn 152 let/var 152 ✗
un 153 let/var 153 ✗
bn 154 let/var 154 ✗
dn 155 let/var 155 ✗
wn 156 let/var 156 ✗
mn 157 let/var 157 ✗
Dn 158 let/var 158 ✗
Bn 159 let/var 159 ✗
Ln 160 let/var 160 ✗
vn 161 let/var 161 ✗
An 162 let/var 162 ✗
kn 163 let/var 163 ✗
Vn 164 let/var 164 ✗
In 165 let/var 165 ✗
Sn 166 let/var 166 ✗
Fn 167 let/var 167 ✗
On 168 let/var 168 ✗
En 169 let/var 169 ✗
Tn 170 let/var 170 ✗
Cn 171 let/var 171 ✗
Mn 172 let/var 172 ✗
Pn 173 let/var 173 ✗
zn 174 let/var 174 ✗
Wn 175 let/var 175 ✗
Hn 176 let/var 176 ✗
Nn 177 let/var 177 ✗
Kn 178 let/var 178 ✗
Xn 179 let/var 179 ✗
Rn 180 let/var 180 ✗
Yn 181 let/var 181 ✗
jn 182 let/var 182 ✗
qn 183 let/var 183 ✗
Gn 184 let/var 184 ✗
Jn 1000156007 let/var 1000156007 ✗
Qn 1000156008 let/var 1000156008 ✗
Zn 1000156009 let/var 1000156009 ✗
$n 1000156010 let/var 1000156010 ✗
ti 1000156011 let/var 1000156011 ✗
ei 1000156017 let/var 1000156017 ✗
ni 1000156018 let/var 1000156018 ✗
ii 1000156019 let/var 1000156019 ✗
si 1000156020 let/var 1000156020 ✗
ai 1000156021 let/var 1000156021 ✗
ri 1000054000 let/var 1000054e3 ✗
oi 1000054001 let/var 1000054001 ✗
li 1000054002 let/var 1000054002 ✗
fi 1000054003 let/var 1000054003 ✗
hi 1000054004 let/var 1000054004 ✗
Ui 1000054005 let/var 1000054005 ✗
ci 1000054006 let/var 1000054006 ✗
_i 1000054007 let/var 1000054007 ✗
pi 1000066000 let/var 1000066e3 ✗
gi 1000066001 let/var 1000066001 ✗
yi 1000066002 let/var 1000066002 ✗
xi 1000066003 let/var 1000066003 ✗
ui 1000066004 let/var 1000066004 ✗
bi 1000066005 let/var 1000066005 ✗
di 1000066006 let/var 1000066006 ✗
wi 1000066007 let/var 1000066007 ✗
mi 1000066008 let/var 1000066008 ✗
Di 1000066009 let/var 1000066009 ✗
Bi 1000066010 let/var 1000066010 ✗
Li 1000066011 let/var 1000066011 ✗
vi 1000066012 let/var 1000066012 ✗
Ai 1000066013 let/var 1000066013 ✗
ki 1000340000 let/var 100034e4 ✗
Vi 1000340001 let/var 1000340001 ✗
t number let/var this._dataView.getUint32(this._offset,this._littleEndian)+2**32*this._dataVie... ✗
e Uint8Array<any> let/var new Uint8Array(this._dataView.buffer,this._dataView.byteOffset+this._offset,t) ✗
n number let/var this._offset ✗
i number let/var 0 ✗
Fi Uint8Array<ArrayBuffer> let/var new Uint8Array([0]) ✗
Oi number[] let/var [171,75,84,88,32,50,48,187,13,10,26,10] ✗
e number let/var 0 ✗
n Uint8Array<ArrayBuffer> let/var new Uint8Array(e) ✗
i number let/var 0 ✗
e Uint8Array<any> let/var new Uint8Array(t.buffer,t.byteOffset,Oi.length) ✗
n Ii let/var new Ii ✗
i number let/var 17*Uint32Array.BYTES_PER_ELEMENT ✗
s Si let/var new Si(t,Oi.length,i,!0) ✗
c Si let/var new Si(t,Oi.length+i,3*a*8,!0) ✗
_ Si let/var new Si(t,r,o,!0) ✗
p { vendorId: number; descriptorType: n... let/var {vendorId:_._skip(4)._nextUint16(),descriptorType:_._nextUint16(),versionNumb... ✗
g number let/var (p.descriptorBlockSize/4-6)/4 ✗
e { bitOffset: number; bitLength: numbe... let/var {bitOffset:_._nextUint16(),bitLength:_._nextUint8(),channelType:_._nextUint8(... ✗
y Si let/var new Si(t,l,f,!0) ✗
x Si let/var new Si(t,h,U,!0) ✗
B any[] let/var [] ✗
L number let/var h+x._offset ✗
v number let/var L+d ✗
A number let/var v+w ✗
k number let/var A+m ✗
V Uint8Array<any> let/var new Uint8Array(t.buffer,t.byteOffset+L,d) ✗
I Uint8Array<any> let/var new Uint8Array(t.buffer,t.byteOffset+v,w) ✗
S Uint8Array<any> let/var new Uint8Array(t.buffer,t.byteOffset+A,m) ✗
F Uint8Array<any> let/var new Uint8Array(t.buffer,t.byteOffset+k,D) ✗
zi { keepWriter: boolean; } let/var {keepWriter:!1} ✗
n ArrayBuffer let/var new ArrayBuffer(0) ✗
e ArrayBuffer let/var new ArrayBuffer(20+5*t.globalData.imageDescs.length*4) ✗
i DataView<ArrayBuffer> let/var new DataView(e) ✗
n any let/var t.globalData.imageDescs[e] ✗
i any[] let/var [] ✗
s any let/var t.keyValue ✗
e any let/var s[t] ✗
a any let/var "string"==typeof e?Ci([Ei(e),Fi]):e ✗
r any let/var n.byteLength+1+a.byteLength ✗
r any let/var t.dataFormatDescriptor[0] ✗
o ArrayBuffer let/var new ArrayBuffer(28+16*r.samples.length) ✗
l DataView<ArrayBuffer> let/var new DataView(o) ✗
f number let/var 24+16*r.samples.length ✗
e any let/var r.samples[t] ✗
n number let/var 28+16*t ✗
h number let/var Oi.length+68+3*t.levels.length*8 ✗
U number let/var h+o.byteLength ✗
c number let/var n.byteLength>0?U+a.byteLength:0 ✗
_ any[] let/var [] ✗
p DataView<ArrayBuffer> let/var new DataView(new ArrayBuffer(3*t.levels.length*8)) ✗
g Uint32Array<any> let/var new Uint32Array(t.levels.length) ✗
y number let/var 0 ✗
s number let/var n ✗
n number let/var 1 ✗
i any[] let/var [t.pixelWidth,t.pixelHeight,t.pixelDepth] ✗
x number let/var (c\|\|U+a.byteLength)+n.byteLength ✗
n any let/var t.levels[e] ✗
n any let/var t.levels[e] ✗
u ArrayBuffer let/var new ArrayBuffer(68) ✗
b DataView<ArrayBuffer> let/var new DataView(u) ✗

Functions

Si._nextUint8(): number

Returns: number

Calls:

  • this._dataView.getUint8
Code 
_nextUint8(){const t=this._dataView.getUint8(this._offset);return this._offset+=1,t}

Si._nextUint16(): number

Returns: number

Calls:

  • this._dataView.getUint16
Code 
_nextUint16(){const t=this._dataView.getUint16(this._offset,this._littleEndian);return this._offset+=2,t}

Si._nextUint32(): number

Returns: number

Calls:

  • this._dataView.getUint32
Code 
_nextUint32(){const t=this._dataView.getUint32(this._offset,this._littleEndian);return this._offset+=4,t}

Si._nextUint64(): number

Returns: number

Calls:

  • this._dataView.getUint32
Code 
_nextUint64(){const t=this._dataView.getUint32(this._offset,this._littleEndian)+2**32*this._dataView.getUint32(this._offset+4,this._littleEndian);return this._offset+=8,t}

Si._nextInt32(): number

Returns: number

Calls:

  • this._dataView.getInt32
Code 
_nextInt32(){const t=this._dataView.getInt32(this._offset,this._littleEndian);return this._offset+=4,t}

Si._nextUint8Array(t: any): Uint8Array<any>

Parameters:

  • t any

Returns: Uint8Array<any>

Code 
_nextUint8Array(t){const e=new Uint8Array(this._dataView.buffer,this._dataView.byteOffset+this._offset,t);return this._offset+=t,e}

Si._skip(t: any): this

Parameters:

  • t any

Returns: this

Code 
_skip(t){return this._offset+=t,this}

Si._scan(t: any, e: any): Uint8Array<any>

Parameters:

  • t any
  • e any

Returns: Uint8Array<any>

Calls:

  • this._dataView.getUint8
Code 
_scan(t,e){void 0===e&&(e=0);const n=this._offset;let i=0;for(;this._dataView.getUint8(this._offset)!==e&&i<t;)i++,this._offset++;return i<t&&this._offset++,new Uint8Array(this._dataView.buffer,this._dataView.byteOffset+n,i)}

Ei(t: any): Uint8Array<ArrayBufferLike>

Parameters:

  • t any

Returns: Uint8Array<ArrayBufferLike>

Calls:

  • (new TextEncoder).encode
Code 
function Ei(t){return(new TextEncoder).encode(t)}

Ti(t: any): string

Parameters:

  • t any

Returns: string

Calls:

  • (new TextDecoder).decode
Code 
function Ti(t){return(new TextDecoder).decode(t)}

Ci(t: any): Uint8Array<ArrayBuffer>

Parameters:

  • t any

Returns: Uint8Array<ArrayBuffer>

Calls:

  • n.set
Code 
function Ci(t){let e=0;for(const n of t)e+=n.byteLength;const n=new Uint8Array(e);let i=0;for(const e of t)n.set(new Uint8Array(e),i),i+=e.byteLength;return n}

Mi(t: any, e: any): number

Parameters:

  • t any
  • e any

Returns: number

Calls:

  • Math.ceil
Code 
function Mi(t,e){return void 0===e&&(e=4),Math.ceil(t/e)*e-t}

Pi(t: any): Ii

Parameters:

  • t any

Returns: Ii

Calls:

  • s._nextUint32
  • s._nextUint64
  • n.levels.push
  • c._nextUint64
  • _._skip(4)._nextUint16
  • _._nextUint16
  • _._nextUint8
  • _._nextInt32
  • _._nextUint32
  • n.dataFormatDescriptor.push
  • y._nextUint32
  • y._scan
  • Ti
  • y._nextUint8Array
  • i.match
  • t.substring
  • t.lastIndexOf
  • y._skip
  • x._nextUint16
  • x._nextUint32
  • B.push
Code 
function Pi(t){const e=new Uint8Array(t.buffer,t.byteOffset,Oi.length);if(e[0]!==Oi[0]||e[1]!==Oi[1]||e[2]!==Oi[2]||e[3]!==Oi[3]||e[4]!==Oi[4]||e[5]!==Oi[5]||e[6]!==Oi[6]||e[7]!==Oi[7]||e[8]!==Oi[8]||e[9]!==Oi[9]||e[10]!==Oi[10]||e[11]!==Oi[11])throw new Error("Missing KTX 2.0 identifier.");const n=new Ii,i=17*Uint32Array.BYTES_PER_ELEMENT,s=new Si(t,Oi.length,i,!0);n.vkFormat=s._nextUint32(),n.typeSize=s._nextUint32(),n.pixelWidth=s._nextUint32(),n.pixelHeight=s._nextUint32(),n.pixelDepth=s._nextUint32(),n.layerCount=s._nextUint32(),n.faceCount=s._nextUint32();const a=s._nextUint32();n.supercompressionScheme=s._nextUint32();const r=s._nextUint32(),o=s._nextUint32(),l=s._nextUint32(),f=s._nextUint32(),h=s._nextUint64(),U=s._nextUint64(),c=new Si(t,Oi.length+i,3*a*8,!0);for(let e=0;e<a;e++)n.levels.push({levelData:new Uint8Array(t.buffer,t.byteOffset+c._nextUint64(),c._nextUint64()),uncompressedByteLength:c._nextUint64()});const _=new Si(t,r,o,!0),p={vendorId:_._skip(4)._nextUint16(),descriptorType:_._nextUint16(),versionNumber:_._nextUint16(),descriptorBlockSize:_._nextUint16(),colorModel:_._nextUint8(),colorPrimaries:_._nextUint8(),transferFunction:_._nextUint8(),flags:_._nextUint8(),texelBlockDimension:[_._nextUint8(),_._nextUint8(),_._nextUint8(),_._nextUint8()],bytesPlane:[_._nextUint8(),_._nextUint8(),_._nextUint8(),_._nextUint8(),_._nextUint8(),_._nextUint8(),_._nextUint8(),_._nextUint8()],samples:[]},g=(p.descriptorBlockSize/4-6)/4;for(let t=0;t<g;t++){const e={bitOffset:_._nextUint16(),bitLength:_._nextUint8(),channelType:_._nextUint8(),samplePosition:[_._nextUint8(),_._nextUint8(),_._nextUint8(),_._nextUint8()],sampleLower:-Infinity,sampleUpper:Infinity};64&e.channelType?(e.sampleLower=_._nextInt32(),e.sampleUpper=_._nextInt32()):(e.sampleLower=_._nextUint32(),e.sampleUpper=_._nextUint32()),p.samples[t]=e}n.dataFormatDescriptor.length=0,n.dataFormatDescriptor.push(p);const y=new Si(t,l,f,!0);for(;y._offset<f;){const t=y._nextUint32(),e=y._scan(t),i=Ti(e);if(n.keyValue[i]=y._nextUint8Array(t-e.byteLength-1),i.match(/^ktx/i)){const t=Ti(n.keyValue[i]);n.keyValue[i]=t.substring(0,t.lastIndexOf("\0"))}y._skip(t%4?4-t%4:0)}if(U<=0)return n;const x=new Si(t,h,U,!0),u=x._nextUint16(),b=x._nextUint16(),d=x._nextUint32(),w=x._nextUint32(),m=x._nextUint32(),D=x._nextUint32(),B=[];for(let t=0;t<a;t++)B.push({imageFlags:x._nextUint32(),rgbSliceByteOffset:x._nextUint32(),rgbSliceByteLength:x._nextUint32(),alphaSliceByteOffset:x._nextUint32(),alphaSliceByteLength:x._nextUint32()});const L=h+x._offset,v=L+d,A=v+w,k=A+m,V=new Uint8Array(t.buffer,t.byteOffset+L,d),I=new Uint8Array(t.buffer,t.byteOffset+v,w),S=new Uint8Array(t.buffer,t.byteOffset+A,m),F=new Uint8Array(t.buffer,t.byteOffset+k,D);return n.globalData={endpointCount:u,selectorCount:b,imageDescs:B,endpointsData:V,selectorsData:I,tablesData:S,extendedData:F},n}

Wi(t: any, e: any): Uint8Array<ArrayBuffer>

Parameters:

  • t any
  • e any

Returns: Uint8Array<ArrayBuffer>

Calls:

  • i.setUint16
  • i.setUint32
  • Ci
  • Ei
  • Mi
  • i.push
  • new Uint8Array(o).fill
  • l.setUint32
  • l.setUint16
  • l.setUint8
  • Array.isArray
  • l.setInt32
  • complex_call_9512
  • Math.max
  • Math.min
  • complex_call_9600
  • complex_call_9652
  • complex_call_9726
  • Math.ceil
  • Math.floor
  • Math.pow
  • _.push
  • p.setBigUint64
  • BigInt
  • b.setUint32
  • b.setBigUint64
Code 
function Wi(t,e){void 0===e&&(e={}),e={...zi,...e};let n=new ArrayBuffer(0);if(t.globalData){const e=new ArrayBuffer(20+5*t.globalData.imageDescs.length*4),i=new DataView(e);i.setUint16(0,t.globalData.endpointCount,!0),i.setUint16(2,t.globalData.selectorCount,!0),i.setUint32(4,t.globalData.endpointsData.byteLength,!0),i.setUint32(8,t.globalData.selectorsData.byteLength,!0),i.setUint32(12,t.globalData.tablesData.byteLength,!0),i.setUint32(16,t.globalData.extendedData.byteLength,!0);for(let e=0;e<t.globalData.imageDescs.length;e++){const n=t.globalData.imageDescs[e];i.setUint32(20+5*e*4+0,n.imageFlags,!0),i.setUint32(20+5*e*4+4,n.rgbSliceByteOffset,!0),i.setUint32(20+5*e*4+8,n.rgbSliceByteLength,!0),i.setUint32(20+5*e*4+12,n.alphaSliceByteOffset,!0),i.setUint32(20+5*e*4+16,n.alphaSliceByteLength,!0)}n=Ci([e,t.globalData.endpointsData,t.globalData.selectorsData,t.globalData.tablesData,t.globalData.extendedData])}const i=[];let s=t.keyValue;e.keepWriter||(s={...t.keyValue,KTXwriter:"KTX-Parse v0.7.1"});for(const t in s){const e=s[t],n=Ei(t),a="string"==typeof e?Ci([Ei(e),Fi]):e,r=n.byteLength+1+a.byteLength,o=Mi(r,4);i.push(Ci([new Uint32Array([r]),n,Fi,a,new Uint8Array(o).fill(0)]))}const a=Ci(i);if(1!==t.dataFormatDescriptor.length||0!==t.dataFormatDescriptor[0].descriptorType)throw new Error("Only BASICFORMAT Data Format Descriptor output supported.");const r=t.dataFormatDescriptor[0],o=new ArrayBuffer(28+16*r.samples.length),l=new DataView(o),f=24+16*r.samples.length;if(l.setUint32(0,o.byteLength,!0),l.setUint16(4,r.vendorId,!0),l.setUint16(6,r.descriptorType,!0),l.setUint16(8,r.versionNumber,!0),l.setUint16(10,f,!0),l.setUint8(12,r.colorModel),l.setUint8(13,r.colorPrimaries),l.setUint8(14,r.transferFunction),l.setUint8(15,r.flags),!Array.isArray(r.texelBlockDimension))throw new Error("texelBlockDimension is now an array. For dimensionality `d`, set `d - 1`.");l.setUint8(16,r.texelBlockDimension[0]),l.setUint8(17,r.texelBlockDimension[1]),l.setUint8(18,r.texelBlockDimension[2]),l.setUint8(19,r.texelBlockDimension[3]);for(let t=0;t<8;t++)l.setUint8(20+t,r.bytesPlane[t]);for(let t=0;t<r.samples.length;t++){const e=r.samples[t],n=28+16*t;if(e.channelID)throw new Error("channelID has been renamed to channelType.");l.setUint16(n+0,e.bitOffset,!0),l.setUint8(n+2,e.bitLength),l.setUint8(n+3,e.channelType),l.setUint8(n+4,e.samplePosition[0]),l.setUint8(n+5,e.samplePosition[1]),l.setUint8(n+6,e.samplePosition[2]),l.setUint8(n+7,e.samplePosition[3]),64&e.channelType?(l.setInt32(n+8,e.sampleLower,!0),l.setInt32(n+12,e.sampleUpper,!0)):(l.setUint32(n+8,e.sampleLower,!0),l.setUint32(n+12,e.sampleUpper,!0))}const h=Oi.length+68+3*t.levels.length*8,U=h+o.byteLength;let c=n.byteLength>0?U+a.byteLength:0;c%8&&(c+=8-c%8);const _=[],p=new DataView(new ArrayBuffer(3*t.levels.length*8)),g=new Uint32Array(t.levels.length);let y=0;0===t.supercompressionScheme&&(y=function(t,e){const n=Math.max(t,4),i=Math.min(t,4);let s=n;for(;s%i!=0;)s+=n;return s}(function(t){return t.levels[0].levelData.byteLength/function(t,e){let n=1;const i=[t.pixelWidth,t.pixelHeight,t.pixelDepth],s=function(t){const[e,n,i]=t.dataFormatDescriptor[0].texelBlockDimension;return[e+1,n+1,i+1]}(t);for(let t=0;t<3;t++)if(i[t]>0){const e=Math.ceil(Math.floor(i[t]*Math.pow(2,-0))/s[t]);n*=Math.max(1,e)}return t.layerCount>0&&(n*=t.layerCount),t.faceCount>0&&(n*=t.faceCount),n}(t)}(t)));let x=(c||U+a.byteLength)+n.byteLength;for(let e=t.levels.length-1;e>=0;e--){if(x%y){const t=Mi(x,y);_.push(new Uint8Array(t)),x+=t}const n=t.levels[e];_.push(n.levelData),g[e]=x,x+=n.levelData.byteLength}for(let e=0;e<t.levels.length;e++){const n=t.levels[e];p.setBigUint64(24*e+0,BigInt(g[e]),!0),p.setBigUint64(24*e+8,BigInt(n.levelData.byteLength),!0),p.setBigUint64(24*e+16,BigInt(n.uncompressedByteLength),!0)}const u=new ArrayBuffer(68),b=new DataView(u);return b.setUint32(0,t.vkFormat,!0),b.setUint32(4,t.typeSize,!0),b.setUint32(8,t.pixelWidth,!0),b.setUint32(12,t.pixelHeight,!0),b.setUint32(16,t.pixelDepth,!0),b.setUint32(20,t.layerCount,!0),b.setUint32(24,t.faceCount,!0),b.setUint32(28,t.levels.length,!0),b.setUint32(32,t.supercompressionScheme,!0),b.setUint32(36,h,!0),b.setUint32(40,o.byteLength,!0),b.setUint32(44,U,!0),b.setUint32(48,a.byteLength,!0),b.setBigUint64(52,BigInt(n.byteLength>0?c:0),!0),b.setBigUint64(60,BigInt(n.byteLength),!0),new Uint8Array(Ci([new Uint8Array(Oi).buffer,u,p.buffer,o,a,c>0?new ArrayBuffer(c-(U+a.byteLength)):new ArrayBuffer(0),n,..._]))}

Classes

Ii

Class Code 
class Ii{constructor(){this.vkFormat=0,this.typeSize=1,this.pixelWidth=0,this.pixelHeight=0,this.pixelDepth=0,this.layerCount=0,this.faceCount=1,this.supercompressionScheme=0,this.levels=[],this.dataFormatDescriptor=[{vendorId:0,descriptorType:0,descriptorBlockSize:0,versionNumber:2,colorModel:0,colorPrimaries:1,transferFunction:2,flags:0,texelBlockDimension:[0,0,0,0],bytesPlane:[0,0,0,0,0,0,0,0],samples:[]}],this.keyValue={},this.globalData=null}}

Si

Class Code 
class Si{constructor(t,e,n,i){this._dataView=void 0,this._littleEndian=void 0,this._offset=void 0,this._dataView=new DataView(t.buffer,t.byteOffset+e,n),this._littleEndian=i,this._offset=0}_nextUint8(){const t=this._dataView.getUint8(this._offset);return this._offset+=1,t}_nextUint16(){const t=this._dataView.getUint16(this._offset,this._littleEndian);return this._offset+=2,t}_nextUint32(){const t=this._dataView.getUint32(this._offset,this._littleEndian);return this._offset+=4,t}_nextUint64(){const t=this._dataView.getUint32(this._offset,this._littleEndian)+2**32*this._dataView.getUint32(this._offset+4,this._littleEndian);return this._offset+=8,t}_nextInt32(){const t=this._dataView.getInt32(this._offset,this._littleEndian);return this._offset+=4,t}_nextUint8Array(t){const e=new Uint8Array(this._dataView.buffer,this._dataView.byteOffset+this._offset,t);return this._offset+=t,e}_skip(t){return this._offset+=t,this}_scan(t,e){void 0===e&&(e=0);const n=this._offset;let i=0;for(;this._dataView.getUint8(this._offset)!==e&&i<t;)i++,this._offset++;return i<t&&this._offset++,new Uint8Array(this._dataView.buffer,this._dataView.byteOffset+n,i)}}

Methods

_nextUint8(): number
Code 
_nextUint8(){const t=this._dataView.getUint8(this._offset);return this._offset+=1,t}
_nextUint16(): number
Code 
_nextUint16(){const t=this._dataView.getUint16(this._offset,this._littleEndian);return this._offset+=2,t}
_nextUint32(): number
Code 
_nextUint32(){const t=this._dataView.getUint32(this._offset,this._littleEndian);return this._offset+=4,t}
_nextUint64(): number
Code 
_nextUint64(){const t=this._dataView.getUint32(this._offset,this._littleEndian)+2**32*this._dataView.getUint32(this._offset+4,this._littleEndian);return this._offset+=8,t}
_nextInt32(): number
Code 
_nextInt32(){const t=this._dataView.getInt32(this._offset,this._littleEndian);return this._offset+=4,t}
_nextUint8Array(t: any): Uint8Array<any>
Code 
_nextUint8Array(t){const e=new Uint8Array(this._dataView.buffer,this._dataView.byteOffset+this._offset,t);return this._offset+=t,e}
_skip(t: any): this
Code 
_skip(t){return this._offset+=t,this}
_scan(t: any, e: any): Uint8Array<any>
Code 
_scan(t,e){void 0===e&&(e=0);const n=this._offset;let i=0;for(;this._dataView.getUint8(this._offset)!==e&&i<t;)i++,this._offset++;return i<t&&this._offset++,new Uint8Array(this._dataView.buffer,this._dataView.byteOffset+n,i)}