127 lines
3.1 KiB
JavaScript
127 lines
3.1 KiB
JavaScript
defineSuite([
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'Renderer/TextureCache',
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'Renderer/Texture',
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'Specs/createContext'
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], function(
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TextureCache,
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Texture,
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createContext) {
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'use strict';
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var context;
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beforeAll(function() {
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context = createContext();
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});
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afterAll(function() {
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context.destroyForSpecs();
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});
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it('adds and removes', function() {
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var cache = new TextureCache();
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var keyword = 'texture';
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var texture = new Texture({
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context : context,
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width : 1.0,
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height : 1.0
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});
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cache.addTexture(keyword, texture);
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expect(cache._textures[keyword].count).toEqual(1);
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expect(cache.numberOfTextures).toEqual(1);
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texture.destroy();
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expect(texture.isDestroyed()).toEqual(false);
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expect(cache.numberOfTextures).toEqual(1);
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cache.destroyReleasedTextures();
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expect(texture.isDestroyed()).toEqual(true);
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expect(cache.numberOfTextures).toEqual(0);
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cache.destroy();
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});
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it('has a cache hit', function() {
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var cache = new TextureCache(context);
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var keyword = 'texture';
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var texture = new Texture({
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context : context,
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width : 1.0,
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height : 1.0
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});
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cache.addTexture(keyword, texture);
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var texture2 = cache.getTexture(keyword);
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expect(texture2).toBeDefined();
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expect(texture).toBe(texture2);
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expect(cache._textures[keyword].count).toEqual(2);
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expect(cache.numberOfTextures).toEqual(1);
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texture.destroy();
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texture2.destroy();
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cache.destroyReleasedTextures();
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expect(texture.isDestroyed()).toEqual(true);
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expect(cache.numberOfTextures).toEqual(0);
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cache.destroy();
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});
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it('avoids thrashing', function() {
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var cache = new TextureCache();
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var keyword = 'texture';
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var texture = new Texture({
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context : context,
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width : 1.0,
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height : 1.0
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});
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cache.addTexture(keyword, texture);
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texture.destroy();
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var texture2 = cache.getTexture(keyword); // still a cache hit
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cache.destroyReleasedTextures(); // does not destroy
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expect(texture.isDestroyed()).toEqual(false);
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expect(texture2.isDestroyed()).toEqual(false);
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texture2.destroy();
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cache.destroyReleasedTextures(); // destroys
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expect(texture.isDestroyed()).toEqual(true);
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expect(texture2.isDestroyed()).toEqual(true);
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cache.destroy();
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});
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it('is destroyed', function() {
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var cache = new TextureCache();
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var keyword = 'texture';
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var texture = new Texture({
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context : context,
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width : 1.0,
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height : 1.0
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});
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cache.addTexture(keyword, texture);
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cache.destroy();
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expect(texture.isDestroyed()).toEqual(true);
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expect(cache.isDestroyed()).toEqual(true);
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});
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it('is not destroyed', function() {
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var cache = new TextureCache();
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expect(cache.isDestroyed()).toEqual(false);
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});
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}, 'WebGL');
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