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Nodes: Cache linear depth and viewZ of depth textures in PassNode #28922

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merged 6 commits into from
Jul 24, 2024
Merged

Nodes: Cache linear depth and viewZ of depth textures in PassNode #28922

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b795434
add arguments to getLinearDepthNode and getViewZ
cmhhelgeson Jul 20, 2024
06b1b2a
only assign to _viewZ and _linearDepth of renderTarget when name is '…
cmhhelgeson Jul 20, 2024
07493d9
remove error check
cmhhelgeson Jul 20, 2024
7325104
adjust functions to use cache system
cmhhelgeson Jul 20, 2024
d58d6ec
fix cache access typo
cmhhelgeson Jul 20, 2024
89e94a1
restore comment
cmhhelgeson Jul 23, 2024
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31 changes: 18 additions & 13 deletions src/nodes/display/PassNode.js
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Original file line number Diff line number Diff line change
Expand Up @@ -100,10 +100,10 @@ class PassNode extends TempNode {
depth: depthTexture
};

this._nodes = {};
this._textureNodes = {};
this._linearDepthNodes = {};
this._viewZNodes = {};

this._linearDepthNode = null;
this._viewZNode = null;
this._cameraNear = uniform( 0 );
this._cameraFar = uniform( 0 );

Expand Down Expand Up @@ -157,47 +157,52 @@ class PassNode extends TempNode {

getTextureNode( name = 'output' ) {

let textureNode = this._nodes[ name ];
let textureNode = this._textureNodes[ name ];

if ( textureNode === undefined ) {

this._nodes[ name ] = textureNode = nodeObject( new PassMultipleTextureNode( this, name ) );
this._textureNodes[ name ] = textureNode = nodeObject( new PassMultipleTextureNode( this, name ) );

}

return textureNode;

}

getViewZNode() {
getViewZNode( name = 'depth' ) {

if ( this._viewZNode === null ) {
let viewZNode = this._viewZNodes[ name ];

if ( viewZNode === undefined ) {

const cameraNear = this._cameraNear;
const cameraFar = this._cameraFar;

this._viewZNode = perspectiveDepthToViewZ( this.getTextureNode( 'depth' ), cameraNear, cameraFar );
this._viewZNodes[ name ] = viewZNode = perspectiveDepthToViewZ( this.getTextureNode( name ), cameraNear, cameraFar );

}

return this._viewZNode;
return viewZNode;

}

getLinearDepthNode() {
getLinearDepthNode( name = 'depth' ) {

let linearDepthNode = this._linearDepthNodes[ name ];

if ( this._linearDepthNode === null ) {
if ( linearDepthNode === undefined ) {

const cameraNear = this._cameraNear;
const cameraFar = this._cameraFar;
const viewZNode = this.getViewZNode( name );

// TODO: just if ( builder.camera.isPerspectiveCamera )
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this._linearDepthNode = viewZToOrthographicDepth( this.getViewZNode(), cameraNear, cameraFar );
this._linearDepthNodes[ name ] = linearDepthNode = viewZToOrthographicDepth( viewZNode, cameraNear, cameraFar );

}

return this._linearDepthNode;
return linearDepthNode;

}

Expand Down