WebGLTextures: Remove render target texture fallback. (#23470)

src/renderers/webgl/WebGLTextures.js

@@ -1815,50 +1815,6 @@ function WebGLTextures( _gl, extensions, state, properties, capabilities, utils,
 
 	}
 
-	// backwards compatibility
-
-	let warnedTexture2D = false;
-	let warnedTextureCube = false;
-
-	function safeSetTexture2D( texture, slot ) {
-
-		if ( texture.isWebGLRenderTarget ) {
-
-			if ( warnedTexture2D === false ) {
-
-				console.warn( 'THREE.WebGLTextures.safeSetTexture2D: don\'t use render targets as textures. Use their .texture property instead.' );
-				warnedTexture2D = true;
-
-			}
-
-			texture = texture.texture;
-
-		}
-
-		setTexture2D( texture, slot );
-
-	}
-
-	function safeSetTextureCube( texture, slot ) {
-
-		if ( texture.isWebGLCubeRenderTarget ) {
-
-			if ( warnedTextureCube === false ) {
-
-				console.warn( 'THREE.WebGLTextures.safeSetTextureCube: don\'t use cube render targets as textures. Use their .texture property instead.' );
-				warnedTextureCube = true;
-
-			}
-
-			texture = texture.texture;
-
-		}
-
-
-		setTextureCube( texture, slot );
-
-	}
-
 	//
 
 	this.allocateTextureUnit = allocateTextureUnit;
@@ -1876,9 +1832,6 @@ function WebGLTextures( _gl, extensions, state, properties, capabilities, utils,
 	this.setupFrameBufferTexture = setupFrameBufferTexture;
 	this.useMultisampledRTT = useMultisampledRTT;
 
-	this.safeSetTexture2D = safeSetTexture2D;
-	this.safeSetTextureCube = safeSetTextureCube;
-
 }
 
 export { WebGLTextures };

src/renderers/webgl/WebGLUniforms.js

@@ -467,7 +467,7 @@ function setValueT1( gl, v, textures ) {
 
 	}
 
-	textures.safeSetTexture2D( v || emptyTexture, unit );
+	textures.setTexture2D( v || emptyTexture, unit );
 
 }
 
@@ -499,7 +499,7 @@ function setValueT6( gl, v, textures ) {
 
 	}
 
-	textures.safeSetTextureCube( v || emptyCubeTexture, unit );
+	textures.setTextureCube( v || emptyCubeTexture, unit );
 
 }
 
@@ -702,7 +702,7 @@ function setValueT1Array( gl, v, textures ) {
 
 	for ( let i = 0; i !== n; ++ i ) {
 
-		textures.safeSetTexture2D( v[ i ] || emptyTexture, units[ i ] );
+		textures.setTexture2D( v[ i ] || emptyTexture, units[ i ] );
 
 	}
 
@@ -734,7 +734,7 @@ function setValueT6Array( gl, v, textures ) {
 
 	for ( let i = 0; i !== n; ++ i ) {
 
-		textures.safeSetTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );
+		textures.setTextureCube( v[ i ] || emptyCubeTexture, units[ i ] );
 
 	}