implemenet destroyAttribute()

mrdoob · Dec 15, 2023 · a365ac8 · a365ac8
1 parent 2b8971b
commit a365ac8
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Showing 2 changed files with 21 additions and 2 deletions.
diff --git a/examples/jsm/renderers/webgl/WebGLBackend.js b/examples/jsm/renderers/webgl/WebGLBackend.js
@@ -893,9 +893,9 @@ class WebGLBackend extends Backend {
 
 	}
 
-	destroyAttribute( /*attribute*/ ) {
+	destroyAttribute( attribute ) {
 
-		console.warn( 'Abstract class.' );
+		this.attributeUtils.destroyAttribute( attribute );
 
 	}
 

diff --git a/examples/jsm/renderers/webgl/utils/WebGLAttributeUtils.js b/examples/jsm/renderers/webgl/utils/WebGLAttributeUtils.js
@@ -134,6 +134,25 @@ class WebGLAttributeUtils {
 
 	}
 
+	destroyAttribute( attribute ) {
+
+		const backend = this.backend;
+		const { gl } = backend;
+
+		if ( attribute.isInterleavedBufferAttribute ) {
+
+			backend.delete( attribute.data );
+
+		}
+
+		const attributeData = backend.get( attribute );
+
+		gl.deleteBuffer( attributeData.bufferGPU );
+
+		backend.delete( attribute );
+
+	}
+
 	async getArrayBufferAsync( attribute ) {
 
 		const backend = this.backend;