NodeBuilder: Add .getFragCoord(), .isFlipY()

mrdoob · Nov 10, 2022 · fb06574 · fb06574
1 parent f2fce01
commit fb06574
Show file tree

Hide file tree

Showing 3 changed files with 31 additions and 9 deletions.
diff --git a/examples/jsm/nodes/core/NodeBuilder.js b/examples/jsm/nodes/core/NodeBuilder.js
@@ -181,6 +181,18 @@ class NodeBuilder {
 
 	}
 
+	getFragCoord() {
+
+		console.warn( 'Abstract function.' );
+
+	}
+
+	isFlipY() {
+
+		return false;
+
+	}
+
 	getTexture( /* textureProperty, uvSnippet */ ) {
 
 		console.warn( 'Abstract function.' );

diff --git a/examples/jsm/renderers/webgl/nodes/WebGLNodeBuilder.js b/examples/jsm/renderers/webgl/nodes/WebGLNodeBuilder.js
@@ -572,23 +572,21 @@ class WebGLNodeBuilder extends NodeBuilder {
 
 	}
 
-	getTextureEncodingFromMap( map ) {
+	getFrontFacing() {
 
-		const isWebGL2 = this.renderer.capabilities.isWebGL2;
+		return 'gl_FrontFacing';
 
-		if ( isWebGL2 && map && map.isTexture && map.format === RGBAFormat && map.type === UnsignedByteType && map.encoding === sRGBEncoding ) {
+	}
 
-			return LinearEncoding; // disable inline decode for sRGB textures in WebGL 2
+	getFragCoord() {
 
-		}
-
-		return super.getTextureEncodingFromMap( map );
+		return 'gl_FragCoord';
 
 	}
 
-	getFrontFacing() {
+	isFlipY() {
 
-		return 'gl_FrontFacing';
+		return true;
 
 	}
 

diff --git a/examples/jsm/renderers/webgpu/nodes/WebGPUNodeBuilder.js b/examples/jsm/renderers/webgpu/nodes/WebGPUNodeBuilder.js
@@ -399,6 +399,18 @@ class WebGPUNodeBuilder extends NodeBuilder {
 
 	}
 
+	getFragCoord() {
+
+		return this.getBuiltin( 'position', 'fragCoord', 'vec4<f32>', 'fragment' );
+
+	}
+
+	isFlipY() {
+
+		return false;
+
+	}
+
 	getAttributes( shaderStage ) {
 
 		const snippets = [];