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Significant firefox perf improvement. Update TODOs.

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Interesting. Enough has changed in the Canvas tile operations, that
Canvas.prefer_js=true is better for firefox/gecko too. Approximately
2X improvement in firefox for large hextile renders.
This commit is contained in:
Joel Martin
2010-06-29 14:36:18 -05:00
parent dfa8db8f38
commit 5235b29ddf
2 changed files with 21 additions and 11 deletions
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include/canvas.js
+7 -4
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@@ -28,6 +28,7 @@ var Canvas, Canvas_native;
Canvas = {
prefer_js : false,
force_canvas : false,
true_color : false,
colourMap : [],
@@ -176,8 +177,7 @@ init: function (id) {
if (Canvas.has_imageData) {
console.log("Canvas supports imageData");
Canvas._rgbxImage = Canvas._rgbxImageData;
Canvas._cmapImage = Canvas._cmapImageData;
Canvas.force_canvas = false;
if (Canvas.ctx.createImageData) {
// If it's there, it's faster
console.log("Using Canvas createImageData");
@@ -186,18 +186,21 @@ init: function (id) {
console.log("Using Canvas getImageData");
Canvas._imageData = Canvas._imageDataGet;
}
if (Util.Engine.webkit) {
if (Util.Engine.webkit || Util.Engine.gecko) {
console.log("Prefering javascript operations");
Canvas.prefer_js = true;
} else {
console.log("Prefering Canvas operations");
Canvas.prefer_js = false;
}
Canvas._rgbxImage = Canvas._rgbxImageData;
Canvas._cmapImage = Canvas._cmapImageData;
} else {
console.log("Canvas lacks imageData, using fillRect (slow)");
Canvas.force_canvas = true;
Canvas.prefer_js = false;
Canvas._rgbxImage = Canvas._rgbxImageFill;
Canvas._cmapImage = Canvas._cmapImageFill;
Canvas.prefer_js = false;
}
Canvas.colourMap = [];