Refactor glsl-unit templates

This abuses the template system to allow both a single anonymous shader
and multiple named shaders to be defined in a namespace.

src/ol/webgl/shader.mustache

@@ -1,5 +1,5 @@
 // This file is automatically generated, do not edit
-goog.provide('{{namespace}}.shader');
+goog.provide('{{namespace}}');
 
 goog.require('ol.webgl.shader');
 
@@ -9,34 +9,34 @@ goog.require('ol.webgl.shader');
  * @constructor
  * @extends {ol.webgl.shader.Fragment}
  */
-{{namespace}}.shader.Fragment = function() {
-  goog.base(this, {{namespace}}.shader.Fragment.SOURCE);
+{{className}}Fragment = function() {
+  goog.base(this, {{className}}Fragment.SOURCE);
 };
-goog.inherits({{namespace}}.shader.Fragment, ol.webgl.shader.Fragment);
-goog.addSingletonGetter({{namespace}}.shader.Fragment);
+goog.inherits({{className}}Fragment, ol.webgl.shader.Fragment);
+goog.addSingletonGetter({{className}}Fragment);
 
 
 /**
  * @const
  * @type {string}
  */
-{{namespace}}.shader.Fragment.DEBUG_SOURCE = 'precision mediump float;\n{{getOriginalFragmentSource}}';
+{{className}}Fragment.DEBUG_SOURCE = 'precision mediump float;\n{{getOriginalFragmentSource}}';
 
 
 /**
  * @const
  * @type {string}
  */
-{{namespace}}.shader.Fragment.OPTIMIZED_SOURCE = 'precision mediump float;{{getFragmentSource}}';
+{{className}}Fragment.OPTIMIZED_SOURCE = 'precision mediump float;{{getFragmentSource}}';
 
 
 /**
  * @const
  * @type {string}
  */
-{{namespace}}.shader.Fragment.SOURCE = goog.DEBUG ?
-    {{namespace}}.shader.Fragment.DEBUG_SOURCE :
-    {{namespace}}.shader.Fragment.OPTIMIZED_SOURCE;
+{{className}}Fragment.SOURCE = goog.DEBUG ?
+    {{className}}Fragment.DEBUG_SOURCE :
+    {{className}}Fragment.OPTIMIZED_SOURCE;
 
 
 
@@ -44,40 +44,40 @@ goog.addSingletonGetter({{namespace}}.shader.Fragment);
  * @constructor
  * @extends {ol.webgl.shader.Vertex}
  */
-{{namespace}}.shader.Vertex = function() {
-  goog.base(this, {{namespace}}.shader.Vertex.SOURCE);
+{{className}}Vertex = function() {
+  goog.base(this, {{className}}Vertex.SOURCE);
 };
-goog.inherits({{namespace}}.shader.Vertex, ol.webgl.shader.Vertex);
-goog.addSingletonGetter({{namespace}}.shader.Vertex);
+goog.inherits({{className}}Vertex, ol.webgl.shader.Vertex);
+goog.addSingletonGetter({{className}}Vertex);
 
 
 /**
  * @const
  * @type {string}
  */
-{{namespace}}.shader.Vertex.DEBUG_SOURCE = '{{getOriginalVertexSource}}';
+{{className}}Vertex.DEBUG_SOURCE = '{{getOriginalVertexSource}}';
 
 
 /**
  * @const
  * @type {string}
  */
-{{namespace}}.shader.Vertex.OPTIMIZED_SOURCE = '{{getVertexSource}}';
+{{className}}Vertex.OPTIMIZED_SOURCE = '{{getVertexSource}}';
 
 
 /**
  * @const
  * @type {string}
  */
-{{namespace}}.shader.Vertex.SOURCE = goog.DEBUG ?
-    {{namespace}}.shader.Vertex.DEBUG_SOURCE :
-    {{namespace}}.shader.Vertex.OPTIMIZED_SOURCE;
+{{className}}Vertex.SOURCE = goog.DEBUG ?
+    {{className}}Vertex.DEBUG_SOURCE :
+    {{className}}Vertex.OPTIMIZED_SOURCE;
 
 
 /**
  * @constructor
  */
-{{namespace}}.shader.uniform = function() {};
+{{namespace}}.uniform = function() {};
 {{#getUniforms}}
 
 
@@ -85,7 +85,7 @@ goog.addSingletonGetter({{namespace}}.shader.Vertex);
  * @const
  * @type {string}
  */
-{{namespace}}.shader.uniform.{{originalName}} =
+{{namespace}}.uniform.{{originalName}} =
     goog.DEBUG ? '{{originalName}}' : '{{shortName}}';
 {{/getUniforms}}
 
@@ -93,7 +93,7 @@ goog.addSingletonGetter({{namespace}}.shader.Vertex);
 /**
  * @constructor
  */
-{{namespace}}.shader.attribute = function() {};
+{{namespace}}.attribute = function() {};
 {{#getAttributes}}
 
 
@@ -101,6 +101,6 @@ goog.addSingletonGetter({{namespace}}.shader.Vertex);
  * @const
  * @type {string}
  */
-{{namespace}}.shader.attribute.{{originalName}} =
+{{namespace}}.attribute.{{originalName}} =
     goog.DEBUG ? '{{originalName}}' : '{{shortName}}';
 {{/getAttributes}}