Merge pull request #11554 from WestLangley/dev-sprite

SpritePlugin: Define SpriteMaterial shader name

src/renderers/webgl/plugins/SpritePlugin.js

@@ -260,6 +260,8 @@ function SpritePlugin( renderer, sprites ) {
 
 			'precision ' + renderer.getPrecision() + ' float;',
 
+			'#define SHADER_NAME ' + 'SpriteMaterial',
+
 			'uniform mat4 modelViewMatrix;',
 			'uniform mat4 projectionMatrix;',
 			'uniform float rotation;',
@@ -298,6 +300,8 @@ function SpritePlugin( renderer, sprites ) {
 
 			'precision ' + renderer.getPrecision() + ' float;',
 
+			'#define SHADER_NAME ' + 'SpriteMaterial',
+
 			'uniform vec3 color;',
 			'uniform sampler2D map;',
 			'uniform float opacity;',