Merge pull request #18365 from WestLangley/dev_webgl_program

WebGLProgram.js: correct shader name in fragment shader

src/renderers/webgl/WebGLProgram.js

@@ -560,7 +560,7 @@ function WebGLProgram( renderer, cacheKey, parameters ) {
 
 			generatePrecision( parameters ),
 
-			'#define SHADER_NAME ' + parameters.name,
+			'#define SHADER_NAME ' + parameters.shaderName,
 
 			customDefines,