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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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dom/canvas/test/webgl-conf/checkout/conformance/attribs/gl-vertexattribpointer.html Normal file
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<!--
/*
** Copyright (c) 2012 The Khronos Group Inc.
**
** Permission is hereby granted, free of charge, to any person obtaining a
** copy of this software and/or associated documentation files (the
** "Materials"), to deal in the Materials without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Materials, and to
** permit persons to whom the Materials are furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be included
** in all copies or substantial portions of the Materials.
**
** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
*/
-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebGL vertexAttribPointer Conformance Tests</title>
<link rel="stylesheet" href="../../resources/js-test-style.css"/>
<script src="../../js/js-test-pre.js"></script>
<script src="../../js/webgl-test-utils.js"></script>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<canvas id="canvas" width="2" height="2"> </canvas>
<script>
"use strict";
description("This test checks vertexAttribPointer behaviors in WebGL.");
debug("");
debug("Canvas.getContext");
var wtu = WebGLTestUtils;
var gl = wtu.create3DContext("canvas");
if (!gl) {
testFailed("context does not exist");
} else {
testPassed("context exists");
debug("");
debug("Checking gl.vertexAttribPointer.");
if (!gl.FIXED) {
gl.FIXED = 0x140C;
}
gl.vertexAttribPointer(0, 3, gl.FLOAT, 0, 0, 12);
wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION,
"vertexAttribPointer should fail if no buffer is bound");
var vertexObject = gl.createBuffer();
gl.bindBuffer(gl.ARRAY_BUFFER, vertexObject);
gl.bufferData(gl.ARRAY_BUFFER, new Float32Array(0), gl.STATIC_DRAW);
if (wtu.getDefault3DContextVersion() < 2) {
gl.vertexAttribPointer(0, 1, gl.INT, 0, 0, 0);
wtu.glErrorShouldBe(gl, gl.INVALID_ENUM,
"vertexAttribPointer should not support INT");
gl.vertexAttribPointer(0, 1, gl.UNSIGNED_INT, 0, 0, 0);
wtu.glErrorShouldBe(gl, gl.INVALID_ENUM,
"vertexAttribPointer should not support UNSIGNED_INT");
gl.vertexAttribPointer(0, 1, gl.FIXED, 0, 0, 0);
wtu.glErrorShouldBe(gl, gl.INVALID_ENUM,
"vertexAttribPointer should not support FIXED");
}
var checkVertexAttribPointer = function(
gl, err, reason, size, type, normalize, stride, offset) {
gl.vertexAttribPointer(0, size, type, normalize, stride, offset);
var succeeded = (err == gl.NO_ERROR);
wtu.glErrorShouldBe(gl, err,
"gl.vertexAttribPointer(0, " + size +
", gl." + wtu.glEnumToString(gl, type) +
", " + normalize +
", " + stride +
", " + offset +
") should " + (succeeded ? "succeed " : "fail ") + reason);
if (succeeded) {
shouldBe('gl.getVertexAttrib(0, gl.VERTEX_ATTRIB_ARRAY_SIZE)', size.toString());
shouldBe('gl.getVertexAttrib(0, gl.VERTEX_ATTRIB_ARRAY_TYPE)', 'gl.' + wtu.glEnumToString(gl, type));
shouldBe('gl.getVertexAttrib(0, gl.VERTEX_ATTRIB_ARRAY_NORMALIZED)', normalize.toString());
shouldBe('gl.getVertexAttrib(0, gl.VERTEX_ATTRIB_ARRAY_STRIDE)', stride.toString());
shouldBe('gl.getVertexAttribOffset(0, gl.VERTEX_ATTRIB_ARRAY_POINTER)', offset.toString());
}
}
var types = [
{ type:gl.BYTE, bytesPerComponent: 1 },
{ type:gl.UNSIGNED_BYTE, bytesPerComponent: 1 },
{ type:gl.SHORT, bytesPerComponent: 2 },
{ type:gl.UNSIGNED_SHORT, bytesPerComponent: 2 },
{ type:gl.FLOAT, bytesPerComponent: 4 },
];
for (var ii = 0; ii < types.length; ++ii) {
var info = types[ii];
debug("");
for (var size = 1; size <= 4; ++size) {
debug("");
debug("checking: " + wtu.glEnumToString(gl, info.type) + " with size " + size);
var bytesPerElement = size * info.bytesPerComponent;
var offsetSet = [
0,
1,
info.bytesPerComponent - 1,
info.bytesPerComponent,
info.bytesPerComponent + 1,
info.bytesPerComponent * 2];
for (var jj = 0; jj < offsetSet.length; ++jj) {
var offset = offsetSet[jj];
for (var kk = 0; kk < offsetSet.length; ++kk) {
var stride = offsetSet[kk];
var err = gl.NO_ERROR;
var reason = ""
if (offset % info.bytesPerComponent != 0) {
reason = "because offset is bad";
err = gl.INVALID_OPERATION;
}
if (stride % info.bytesPerComponent != 0) {
reason = "because stride is bad";
err = gl.INVALID_OPERATION;
}
checkVertexAttribPointer(
gl, err, reason, size, info.type, false, stride, offset);
}
var stride = Math.floor(255 / info.bytesPerComponent) * info.bytesPerComponent;
if (offset == 0) {
checkVertexAttribPointer(
gl, gl.NO_ERROR, "at stride limit",
size, info.type, false, stride, offset);
checkVertexAttribPointer(
gl, gl.INVALID_VALUE, "over stride limit",
size, info.type, false,
stride + info.bytesPerComponent, offset);
}
}
}
}
}
debug("");
var successfullyParsed = true;
</script>
<script src="../../js/js-test-post.js"></script>
</body>
</html>