Flag texture as needsUpdate when texture properties change

src/utils/material.js

@@ -16,30 +16,43 @@ function setTextureProperties (texture, data) {
   var offset = data.offset || {x: 0, y: 0};
   var repeat = data.repeat || {x: 1, y: 1};
   var npot = data.npot || false;
-  var anisotropy = data.anisotropy || 0;
+  var anisotropy = data.anisotropy || THREE.Texture.DEFAULT_ANISOTROPY;
+  var wrapS = texture.wrapS;
+  var wrapT = texture.wrapT;
+  var magFilter = texture.magFilter;
+  var minFilter = texture.minFilter;
+
   // To support NPOT textures, wrap must be ClampToEdge (not Repeat),
   // and filters must not use mipmaps (i.e. Nearest or Linear).
   if (npot) {
-    texture.wrapS = THREE.ClampToEdgeWrapping;
-    texture.wrapT = THREE.ClampToEdgeWrapping;
-    texture.magFilter = THREE.LinearFilter;
-    texture.minFilter = THREE.LinearFilter;
+    wrapS = THREE.ClampToEdgeWrapping;
+    wrapT = THREE.ClampToEdgeWrapping;
+    magFilter = THREE.LinearFilter;
+    minFilter = THREE.LinearFilter;
   }
 
-  // Don't bother setting repeat if it is 1/1. Power-of-two is required to repeat.
+  // Set wrap mode to repeat only if repeat isn't 1/1. Power-of-two is required to repeat.
   if (repeat.x !== 1 || repeat.y !== 1) {
-    texture.wrapS = THREE.RepeatWrapping;
-    texture.wrapT = THREE.RepeatWrapping;
-    texture.repeat.set(repeat.x, repeat.y);
-  }
-  // Don't bother setting offset if it is 0/0.
-  if (offset.x !== 0 || offset.y !== 0) {
-    texture.offset.set(offset.x, offset.y);
+    wrapS = THREE.RepeatWrapping;
+    wrapT = THREE.RepeatWrapping;
   }
 
-  // Only set anisotropy if it isn't 0, which indicates that the default value should be used.
-  if (anisotropy !== 0) {
+  // Apply texture properties
+  texture.offset.set(offset.x, offset.y);
+  texture.repeat.set(repeat.x, repeat.y);
+
+  if (texture.anisotropy !== anisotropy) {
     texture.anisotropy = anisotropy;
+    texture.needsUpdate = true;
+  }
+
+  if (texture.wrapS !== wrapS || texture.wrapT !== wrapT ||
+      texture.magFilter !== magFilter || texture.minFilter !== minFilter) {
+    texture.wrapS = wrapS;
+    texture.wrapT = wrapT;
+    texture.magFilter = magFilter;
+    texture.minFilter = minFilter;
+    texture.needsUpdate = true;
   }
 }
 module.exports.setTextureProperties = setTextureProperties;

tests/components/material.test.js

@@ -93,6 +93,21 @@ suite('material', function () {
       });
     });
 
+    test('updates texture when repeat changes', function (done) {
+      var imageUrl = 'base/tests/assets/test.png';
+      el.setAttribute('material', '');
+      assert.notOk(el.components.material.material.texture);
+      el.setAttribute('material', 'src: url(' + imageUrl + ')');
+      el.addEventListener('materialtextureloaded', function (evt) {
+        var loadedTexture = evt.detail.texture;
+        assert.ok(el.components.material.material.map === loadedTexture);
+        var version = loadedTexture.version;
+        el.setAttribute('material', 'repeat', '2 2');
+        assert.ok(el.components.material.material.map.version > version);
+        done();
+      });
+    });
+
     test('removes texture when src attribute removed', function (done) {
       var imageUrl = 'base/tests/assets/test.png';
       el.setAttribute('material', '');