Merge pull request #1039 from fredj/perf

Only reset canvas transformation matrix when it has changed
2013-09-19 02:37:57 -07:00
parent 8a97535d93 9906497cb8
commit 58693be9e6
1 changed files with 1 additions and 1 deletions
--- a/src/ol/renderer/canvas/canvasmaprenderer.js
+++ b/src/ol/renderer/canvas/canvasmaprenderer.js
@@ -108,7 +108,6 @@ ol.renderer.canvas.Map.prototype.renderFrame = function(frameState) {
  }

  var context = this.context_;
-  context.setTransform(1, 0, 0, 1, 0, 0);
  context.clearRect(0, 0, size[0], size[1]);

  this.calculateMatrices2D(frameState);
@@ -150,6 +149,7 @@ ol.renderer.canvas.Map.prototype.renderFrame = function(frameState) {
            goog.vec.Mat4.getElement(transform, 1, 3));

        context.drawImage(image, 0, 0);
+        context.setTransform(1, 0, 0, 1, 0, 0);
      }
    }