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67 lines
2.5 KiB
HTML
67 lines
2.5 KiB
HTML
<!--
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Copyright (c) 2010 The Chromium Authors. All rights reserved.
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Use of this source code is governed by a BSD-style license that can be
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found in the LICENSE file.
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-->
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<html>
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<head>
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<link rel="stylesheet" href="../resources/js-test-style.css"/>
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<script src="../resources/js-test-pre.js"></script>
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<script src="resources/webgl-test.js"></script>
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</head>
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<body>
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<div id="description"></div>
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<div id="console"></div>
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<script>
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description("Test passing down and fetching of WebGLContextAttributes");
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debug("Test default values");
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var context;
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var attribs;
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shouldBeNonNull("context = create3DContext(null)");
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shouldBeNonNull("attribs = context.getContextAttributes()");
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shouldBe("attribs.depth", "true");
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shouldBe("attribs.alpha", "true");
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shouldBe("attribs.stencil", "false");
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// Antialias is requested by default, but might or might not be supported.
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shouldBe("attribs.antialias == true || attribs.antialias == false", "true");
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shouldBe("attribs.premultipliedAlpha", "true");
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debug ("Test customized values");
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shouldBeNonNull("context = create3DContext(null, { stencil: false, antialias: false })");
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shouldBeNonNull("attribs = context.getContextAttributes()");
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shouldBe("attribs.depth", "true");
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shouldBe("attribs.alpha", "true");
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shouldBe("attribs.stencil", "false");
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shouldBe("attribs.antialias", "false");
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shouldBe("attribs.premultipliedAlpha", "true");
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debug("Test customized values");
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// (stencil == true && depth == false) is not supported.
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// Default depth to true if EXT_packed_depth_stencil is supported.
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// Otherwise, both depth and stencil should be false.
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shouldBeNonNull("context = create3DContext(null, { depth: false, stencil: true, antialias: false })");
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shouldBeNonNull("attribs = context.getContextAttributes()");
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shouldBe("attribs.depth == attribs.stencil", "true");
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shouldBe("attribs.alpha", "true");
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shouldBe("attribs.antialias", "false");
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shouldBe("attribs.premultipliedAlpha", "true");
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debug("Test customized values");
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// (premultipliedAlpha == false) is not supported by most implementations yet
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shouldBeNonNull("context = create3DContext(null, { premultipliedAlpha: false, antialias: false })");
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shouldBeNonNull("attribs = context.getContextAttributes()");
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shouldBe("attribs.depth", "true");
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shouldBe("attribs.alpha", "true");
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shouldBe("attribs.stencil == true || attribs.stencil == false", "true");
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shouldBe("attribs.antialias", "false");
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shouldBe("attribs.premultipliedAlpha == true || attribs.premultipliedAlpha == false", "true");
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successfullyParsed = true;
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</script>
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<script src="../resources/js-test-post.js"></script>
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</body>
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</html>
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