Add support for log depth

vanruesc · vanruesc · commit 33bd7a21c9bb · 2023-06-11T18:20:32.000+02:00
diff --git a/src/effects/SelectiveBloomEffect.js b/src/effects/SelectiveBloomEffect.js
@@ -334,6 +334,12 @@ export class SelectiveBloomEffect extends BloomEffect {
 		this.depthPass.initialize(renderer, alpha, frameBufferType);
 		this.depthMaskPass.initialize(renderer, alpha, frameBufferType);
 
+		if(renderer.capabilities.logarithmicDepthBuffer) {
+
+			this.depthMaskPass.fullscreenMaterial.defines.LOG_DEPTH = "1";
+
+		}
+
 		if(frameBufferType !== undefined) {
 
 			this.renderTargetMasked.texture.type = frameBufferType;
diff --git a/src/materials/glsl/depth-mask.frag b/src/materials/glsl/depth-mask.frag
@@ -44,6 +44,15 @@ void main() {
 
 		depth.x = texture2D(depthBuffer0, vUv).r;
 
+		#ifdef LOG_DEPTH
+
+			float d = pow(2.0, depth.x * log2(cameraNearFar.y + 1.0)) - 1.0;
+			float a = cameraNearFar.y / (cameraNearFar.y - cameraNearFar.x);
+			float b = cameraNearFar.y * cameraNearFar.x / (cameraNearFar.x - cameraNearFar.y);
+			depth.x = a + b / d;
+
+		#endif
+
 	#endif
 
 	#if DEPTH_PACKING_1 == 3201
@@ -54,6 +63,15 @@ void main() {
 
 		depth.y = texture2D(depthBuffer1, vUv).r;
 
+		#ifdef LOG_DEPTH
+
+			float d = pow(2.0, depth.y * log2(cameraNearFar.y + 1.0)) - 1.0;
+			float a = cameraNearFar.y / (cameraNearFar.y - cameraNearFar.x);
+			float b = cameraNearFar.y * cameraNearFar.x / (cameraNearFar.x - cameraNearFar.y);
+			depth.y = a + b / d;
+
+		#endif
+
 	#endif
 
 	bool isMaxDepth = (depth.x == 1.0);
diff --git a/src/passes/DepthPass.js b/src/passes/DepthPass.js
@@ -51,7 +51,7 @@ export class DepthPass extends Pass {
 		renderPass.skipShadowMapUpdate = true;
 		renderPass.ignoreBackground = true;
 
-		const clearPass = renderPass.getClearPass();
+		const clearPass = renderPass.clearPass;
 		clearPass.overrideClearColor = new Color(0xffffff);
 		clearPass.overrideClearAlpha = 1;
 
