fix missing repeats of CanvasSource when it crosses the antimeridian (#…

…7273)

fix #7271

src/geo/transform.js

@@ -201,13 +201,21 @@ class Transform {
      * @private
      */
     getVisibleUnwrappedCoordinates(tileID: CanonicalTileID) {
-        const ul = this.pointCoordinate(new Point(0, 0), 0);
-        const ur = this.pointCoordinate(new Point(this.width, 0), 0);
-        const w0 = Math.floor(ul.column);
-        const w1 = Math.floor(ur.column);
         const result = [new UnwrappedTileID(0, tileID)];
         if (this._renderWorldCopies) {
-            for (let w = w0; w <= w1; w++) {
+            const utl = this.pointCoordinate(new Point(0, 0), 0);
+            const utr = this.pointCoordinate(new Point(this.width, 0), 0);
+            const ubl = this.pointCoordinate(new Point(this.width, this.height), 0);
+            const ubr = this.pointCoordinate(new Point(0, this.height), 0);
+            const w0 = Math.floor(Math.min(utl.column, utr.column, ubl.column, ubr.column));
+            const w1 = Math.floor(Math.max(utl.column, utr.column, ubl.column, ubr.column));
+
+            // Add an extra copy of the world on each side to properly render ImageSources and CanvasSources.
+            // Both sources draw outside the tile boundaries of the tile that "contains them" so we need
+            // to add extra copies on both sides in case offscreen tiles need to draw into on-screen ones.
+            const extraWorldCopy = 1;
+
+            for (let w = w0 - extraWorldCopy; w <= w1 + extraWorldCopy; w++) {
                 if (w === 0) continue;
                 result.push(new UnwrappedTileID(w, tileID));
             }

test/integration/render-tests/regressions/mapbox-gl-js#7271/style.json

@@ -0,0 +1,48 @@
+{
+  "version": 8,
+  "metadata": {
+    "test": {
+      "width": 512,
+      "height": 64
+    }
+  },
+  "center": [
+      -10,
+      0
+  ],
+  "zoom": 0,
+  "sources": {
+    "image": {
+      "type": "image",
+      "coordinates": [
+        [
+          -270,
+          -80
+        ],
+        [
+          90,
+          -80
+        ],
+        [
+          90,
+          80
+        ],
+        [
+          -270,
+          80
+        ]
+      ],
+      "url": "local://image/0.png"
+    }
+  },
+  "layers": [
+    {
+      "id": "image",
+      "type": "raster",
+      "source": "image",
+      "paint": {
+        "raster-fade-duration": 0
+      }
+    }
+  ]
+}

test/unit/geo/transform.test.js

@@ -247,7 +247,7 @@ test('transform', (t) => {
         transform.center = { lng: -170.01, lat: 0.01 };
 
         let unwrappedCoords = transform.getVisibleUnwrappedCoordinates(new CanonicalTileID(0, 0, 0));
-        t.equal(unwrappedCoords.length, 2);
+        t.equal(unwrappedCoords.length, 4);
 
         //getVisibleUnwrappedCoordinates should honor _renderWorldCopies
         transform._renderWorldCopies = false;