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Merge pull request #428 from twpayne/gc-optimizations

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GC optimizations
This commit is contained in:
Tom Payne
2013-03-25 03:54:15 -07:00
parent 5c7905178c 9906c518a7
commit 6cfe918501
13 changed files with 128 additions and 124 deletions
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src/ol/renderer/canvas/canvastilelayerrenderer.js
+6 -8
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@@ -155,22 +155,21 @@ ol.renderer.canvas.TileLayer.prototype.renderFrame =
tilesToDrawByZ, getTileIfLoaded);
var allTilesLoaded = true;
var tile, tileCoord, tileState, x, y;
var tile, tileState, x, y;
for (x = tileRange.minX; x <= tileRange.maxX; ++x) {
for (y = tileRange.minY; y <= tileRange.maxY; ++y) {
tileCoord = new ol.TileCoord(z, x, y);
tile = tileSource.getTile(tileCoord, tileGrid, projection);
tile = tileSource.getTile(z, x, y, tileGrid, projection);
tileState = tile.getState();
if (tileState == ol.TileState.LOADED || tileState == ol.TileState.EMPTY) {
tilesToDrawByZ[z][tileCoord.toString()] = tile;
tilesToDrawByZ[z][tile.tileCoord.toString()] = tile;
continue;
} else if (tileState == ol.TileState.ERROR) {
continue;
}
allTilesLoaded = false;
tileGrid.forEachTileCoordParentTileRange(tileCoord, findLoadedTiles);
tileGrid.forEachTileCoordParentTileRange(tile.tileCoord, findLoadedTiles);
}
}
@@ -191,9 +190,8 @@ ol.renderer.canvas.TileLayer.prototype.renderFrame =
if (currentZ == z) {
for (tileCoordKey in tilesToDraw) {
tile = tilesToDraw[tileCoordKey];
tileCoord = tile.tileCoord;
index = (tileCoord.y - tileRange.minY) * tileRangeWidth +
(tileCoord.x - tileRange.minX);
index = (tile.tileCoord.y - tileRange.minY) * tileRangeWidth +
(tile.tileCoord.x - tileRange.minX);
if (this.renderedTiles_[index] != tile) {
x = tileSize.width * (tile.tileCoord.x - tileRange.minX);
y = tileSize.height * (tileRange.maxY - tile.tileCoord.y);