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Do not draw vectors outside viewport

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GaborFarkas
2016-11-16 12:54:05 +01:00
parent 3b2ff5a2ee
commit 3e56dba1b4
1 changed files with 7 additions and 1 deletions
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src/ol/renderer/webgl/vectorlayer.js
+7 -1
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@@ -73,11 +73,17 @@ ol.renderer.webgl.VectorLayer.prototype.composeFrame = function(frameState, laye
this.layerState_ = layerState; this.layerState_ = layerState;
var viewState = frameState.viewState; var viewState = frameState.viewState;
var replayGroup = this.replayGroup_; var replayGroup = this.replayGroup_;
var size = frameState.size;
var pixelRatio = frameState.pixelRatio;
var gl = this.mapRenderer.getGL();
if (replayGroup && !replayGroup.isEmpty()) { if (replayGroup && !replayGroup.isEmpty()) {
gl.enable(gl.SCISSOR_TEST);
gl.scissor(0, 0, size[0] * pixelRatio, size[1] * pixelRatio);
replayGroup.replay(context, replayGroup.replay(context,
viewState.center, viewState.resolution, viewState.rotation, viewState.center, viewState.resolution, viewState.rotation,
frameState.size, frameState.pixelRatio, layerState.opacity, size, pixelRatio, layerState.opacity,
layerState.managed ? frameState.skippedFeatureUids : {}); layerState.managed ? frameState.skippedFeatureUids : {});
gl.disable(gl.SCISSOR_TEST);
} }
}; };