simulated-attrib-0-bug-test.html

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<meta charset="utf-8">

<title>Simulated Attrib 0 Bug Test</title>

<script src="../js/js-test-pre.js"></script>

<script src="../js/webgl-test-utils.js"></script>

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<body>

<div>Simulated Attrib 0 Bug Test</div>

<div id="description"></div>

<div id="console"></div>

<script>

"use strict";

var wtu = WebGLTestUtils;

var context = wtu.create3DContext();

var program = wtu.loadStandardProgram(context);

context.useProgram(program);

debug("This line attempts to draw with 0x7FFFFFFF triangles with attrib 0 off");

debug("A buggy simulated attrib 0 impl will probably mult 0x7FFFFFFF * sizeof(vec4)");

shouldBe("context.drawArrays(context.TRIANGLES, 0, 0x7fffffff);", "undefined");

debug("This line attempts to draw with 0x7ffffff triangles.");

debug("A buggy simulated attrib 0 impl will probably pass 0x7FFFFFF0 to glBufferData and then not check that it failed");

shouldBe("context.drawArrays(context.TRIANGLES, 0, 0x7ffffff);", "undefined");

debug("")

debug("NOTE!: You may not see any manifestation here. Check your impl for these issues");

</script>

</body>

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