axmol/samples/TestJavascript/Resources/js/PerformanceTest/PerformanceTextureTest.js

/****************************************************************************
 Copyright (c) 2010-2012 cocos2d-x.org
 Copyright (c) 2008-2010 Ricardo Quesada
 Copyright (c) 2011      Zynga Inc.

 http://www.cocos2d-x.org

 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
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 all copies or substantial portions of the Software.

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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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var s_nTexCurCase = 0;
////////////////////////////////////////////////////////
//
// TextureMenuLayer
//
////////////////////////////////////////////////////////
var TextureMenuLayer = PerformBasicLayer.extend({
    showCurrentTest:function () {
        var scene = null;
        switch (this._curCase) {
            case 0:
                scene = TextureTest.scene();
                break;
        }
        s_nTexCurCase = this._curCase;

        if (scene) {
            cc.Director.getInstance().replaceScene(scene);
        }
    },

    onEnter:function () {
        this._super();

        var s = cc.Director.getInstance().getWinSize();

        // Title
        var label = cc.LabelTTF.create(this.title(), "Arial", 40);
        this.addChild(label, 1);
        label.setPosition(cc.p(s.width / 2, s.height - 32));
        label.setColor(cc.c3b(255, 255, 40));

        // Subtitle
        var strSubTitle = this.subtitle();
        if (strSubTitle.length) {
            var l = cc.LabelTTF.create(strSubTitle, "Thonburi", 16);
            this.addChild(l, 1);
            l.setPosition(cc.p(s.width / 2, s.height - 80));
        }

        this.performTests();
    },
    title:function () {
        return "no title";
    },
    subtitle:function () {
        return "no subtitle";
    },
    performTests:function () {

    }
})

////////////////////////////////////////////////////////
//
// TextureTest
//
////////////////////////////////////////////////////////
var TextureTest = TextureMenuLayer.extend({
    performTests:function () {
        cc.log("--------");
        cc.log("--- PNG 128x128 ---");
        this.performTestsPNG("res/Images/test_image.png");

        cc.log("--- PNG 512x512 ---");
        this.performTestsPNG("res/Images/texture512x512.png");

        cc.log("EMPTY IMAGE");
        cc.log("--- PNG 1024x1024 ---");
        this.performTestsPNG("res/Images/texture1024x1024.png");

        cc.log("LANDSCAPE IMAGE");
        cc.log("--- PNG 1024x1024 ---");
        this.performTestsPNG("res/Images/landscape-1024x1024.png");
    },
    title:function () {
        return "Texture Performance Test";
    },
    subtitle:function () {
        return "See console for results";
    },
    performTestsPNG:function (filename) {
        var now = cc.timeval();
        var texture;
        var cache = cc.TextureCache.getInstance();

        cc.log("RGBA 8888");
        cc.Texture2D.setDefaultAlphaPixelFormat(cc.TEXTURE_2D_PIXEL_FORMAT_RGBA8888);
        var now = cc.Time.gettimeofdayCocos2d();
        texture = cache.addImage(filename);
        if (texture)
            cc.log("  ms:" + calculateDeltaTime(now));
        else
            cc.log(" ERROR");
        cache.removeTexture(texture);

        cc.log("RGBA 4444");
        cc.Texture2D.setDefaultAlphaPixelFormat(cc.TEXTURE_2D_PIXEL_FORMAT_RGBA4444);
        var now = cc.Time.gettimeofdayCocos2d();
        texture = cache.addImage(filename);
        if (texture)
            cc.log("  ms:" + calculateDeltaTime(now));
        else
            cc.log(" ERROR");
        cache.removeTexture(texture);

        cc.log("RGBA 5551");
        cc.Texture2D.setDefaultAlphaPixelFormat(cc.TEXTURE_2D_PIXEL_FORMAT_RGB5A1);
        var now = cc.Time.gettimeofdayCocos2d();
        texture = cache.addImage(filename);
        if (texture)
            cc.log("  ms:" + calculateDeltaTime(now));
        else
            cc.log(" ERROR");
        cache.removeTexture(texture);

        cc.log("RGB 565");
        cc.Texture2D.setDefaultAlphaPixelFormat(cc.TEXTURE_2D_PIXEL_FORMAT_RGB565);
        var now = cc.Time.gettimeofdayCocos2d();
        texture = cache.addImage(filename);
        if (texture)
            cc.log("  ms:" + calculateDeltaTime(now));
        else
            cc.log(" ERROR");
        cache.removeTexture(texture);
    }
});

TextureTest.scene = function () {
    var scene = cc.Scene.create();
    var layer = new TextureTest(false, 1, s_nTexCurCase);
    scene.addChild(layer);
    return scene;
};
function runTextureTest() {
    s_nTexCurCase = 0;
    var scene = TextureTest.scene();
    cc.Director.getInstance().replaceScene(scene);
}

function calculateDeltaTime(lastUpdate) {
    var now = cc.Time.gettimeofdayCocos2d();
    var dt = (now.tv_sec - lastUpdate.tv_sec) + (now.tv_usec - lastUpdate.tv_usec) / 1000000.0;
    return dt;
}