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Re-use ol.Extent objects

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This commit is contained in:
Tom Payne
2013-04-09 17:30:46 +02:00
parent ee8e565be2
commit fe03ebe99c
6 changed files with 20 additions and 12 deletions
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7
src/ol/renderer/webgl/webgltilelayerrenderer.js
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@@ -199,6 +199,7 @@ ol.renderer.webgl.TileLayer.prototype.renderFrame =
tilesToDrawByZ, getTileIfLoaded);
var allTilesLoaded = true;
var tmpExtent = new ol.Extent(0, 0, 0, 0);
var tmpTileRange = new ol.TileRange(0, 0, 0, 0);
var childTileRange, fullyLoaded, tile, tileState, x, y;
for (x = tileRange.minX; x <= tileRange.maxX; ++x) {
@@ -218,10 +219,10 @@ ol.renderer.webgl.TileLayer.prototype.renderFrame =
allTilesLoaded = false;
fullyLoaded = tileGrid.forEachTileCoordParentTileRange(
tile.tileCoord, findLoadedTiles, null, tmpTileRange);
tile.tileCoord, findLoadedTiles, null, tmpTileRange, tmpExtent);
if (!fullyLoaded) {
childTileRange = tileGrid.getTileCoordChildTileRange(
tile.tileCoord, tmpTileRange);
tile.tileCoord, tmpTileRange, tmpExtent);
if (!goog.isNull(childTileRange)) {
findLoadedTiles(z + 1, childTileRange);
}
@@ -237,7 +238,7 @@ ol.renderer.webgl.TileLayer.prototype.renderFrame =
var u_tileOffset = goog.vec.Vec4.createFloat32();
goog.array.forEach(zs, function(z) {
goog.object.forEach(tilesToDrawByZ[z], function(tile) {
var tileExtent = tileGrid.getTileCoordExtent(tile.tileCoord);
var tileExtent = tileGrid.getTileCoordExtent(tile.tileCoord, tmpExtent);
var sx = 2 * tileExtent.getWidth() / framebufferExtentSize.width;
var sy = 2 * tileExtent.getHeight() / framebufferExtentSize.height;
var tx = 2 * (tileExtent.minX - framebufferExtent.minX) /