Basic WEBGL rendering of polygons

src/ol/render/webgl/webglpolygondefault.glsl

@@ -0,0 +1,22 @@
+//! NAMESPACE=ol.render.webgl.polygonreplay.shader.Default
+//! CLASS=ol.render.webgl.polygonreplay.shader.Default
+
+
+//! COMMON
+
+
+//! VERTEX
+attribute vec2 a_position;
+
+uniform mat4 u_projectionMatrix;
+
+void main(void) {
+  gl_Position = u_projectionMatrix * vec4(a_position, 0., 1.);
+}
+
+
+//! FRAGMENT
+
+void main(void) {
+  gl_FragColor = vec4(1.0, 1.0, 1.0, 1.0);
+}