Revert "Set transparent if canvas uses alpha"

This reverts commit abc7e35.

Author: vanruesc

src/materials/EffectMaterial.ts

@@ -1,4 +1,4 @@
-import { IUniform, NormalBlending, Texture, Uniform } from "three";
+import { IUniform, Texture, Uniform } from "three";
 import { EffectShaderSection } from "../enums/EffectShaderSection.js";
 import { EffectShaderSection as Section } from "../enums/EffectShaderSection.js";
 import { ShaderDataTracker } from "../utils/ShaderDataTracker.js";
@@ -29,7 +29,6 @@ export class EffectMaterial extends FullscreenMaterial {
 
 		super({
 			name: "EffectMaterial",
-			blending: NormalBlending,
 			defines: {
 				COLOR_SPACE_CONVERSION: true
 			},

src/passes/EffectPass.ts

@@ -1,4 +1,4 @@
-import { Event as Event3, Material, Texture, WebGLRenderer } from "three";
+import { Event as Event3, Material, Texture } from "three";
 import { Pass } from "../core/Pass.js";
 import { Effect } from "../effects/Effect.js";
 import { GBuffer } from "../enums/GBuffer.js";
@@ -76,19 +76,6 @@ export class EffectPass extends Pass<EffectMaterial> {
 
 	}
 
-	override get renderer(): WebGLRenderer | null {
-
-		return super.renderer;
-
-	}
-
-	override set renderer(value: WebGLRenderer | null) {
-
-		super.renderer = value;
-		this.updateMaterialTransparency();
-
-	}
-
 	override get subpasses(): readonly Pass<Material | null>[] {
 
 		return super.subpasses;
@@ -202,7 +189,6 @@ export class EffectPass extends Pass<EffectMaterial> {
 
 		// Get the material for the current effect combination.
 		this.fullscreenMaterial = this.effectMaterialManager.getMaterial(this.effects);
-		this.updateMaterialTransparency();
 
 		// Pick up new materials.
 		for(const material of this.effectMaterialManager.materials) {
@@ -213,24 +199,6 @@ export class EffectPass extends Pass<EffectMaterial> {
 
 	}
 
-	/**
-	 * Updates the fullscreen material to use alpha blending if needed.
-	 */
-
-	private updateMaterialTransparency(): void {
-
-		if(this.renderer === null) {
-
-			return;
-
-		}
-
-		const alpha = this.renderer.getContext().getContextAttributes()?.alpha ?? false;
-		const outputBuffer = this.output.defaultBuffer?.value ?? null;
-		this.fullscreenMaterial.transparent = (alpha && outputBuffer === null);
-
-	}
-
 	/**
 	 * Updates the G-Buffer struct uniform.
 	 */
@@ -373,12 +341,6 @@ export class EffectPass extends Pass<EffectMaterial> {
 
 	}
 
-	protected override onOutputChange(): void {
-
-		this.updateMaterialTransparency();
-
-	}
-
 	override checkRequirements(): void {
 
 		for(const effect of this.effects) {