Merge pull request #6474 from Gaurav-1306/setuniform

Setuniform

Author: davepagurek

src/webgl/p5.RendererGL.Immediate.js

@@ -134,6 +134,12 @@ p5.RendererGL.prototype.vertex = function(x, y) {
         u /= this._tex.width;
         v /= this._tex.height;
       }
+    } else if (
+      this.userFillShader !== undefined ||
+      this.userStrokeShader !== undefined ||
+      this.userPointShader !== undefined
+    ) {
+    // Do nothing if user-defined shaders are present
     } else if (
       this._tex === null &&
       arguments.length >= 4