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<!--
Copyright (c) 2019 The Khronos Group Inc.
Use of this source code is governed by an MIT-style license that can be
found in the LICENSE.txt file.
-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<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>
<script>
"use strict";
description("Test bufferData/bufferSubData with ArrayBufferView sub source input");
var wtu = WebGLTestUtils;
var gl = wtu.create3DContext(undefined, undefined, 2);
function verifyBufferData(testCase, sourceByteOffset, size, data) {
var readbackBuffer = new ArrayBuffer(testCase.size * size);
var readbackView = new window[testCase.type](readbackBuffer);
gl.getBufferSubData(gl.ARRAY_BUFFER, sourceByteOffset, readbackView);
var pass = true;
var offset = sourceByteOffset / testCase.size;
for (var ii = 0; ii < size; ++ii) {
if (readbackView[ii] != data[ii]) {
testFailed("expected data at " + ii + ": " + data[ii] + ", got " + readbackView[ii]);
pass = false;
}
}
if (pass) {
testPassed("buffer data uploaded correctly");
}
}
function bufferDataTest(testCases) {
for (var idx = 0; idx < testCases.length; ++idx) {
var test = testCases[idx];
debug("");
debug("Test bufferData with " + test.type);
var buf = gl.createBuffer();
shouldBeNonNull(buf);
gl.bindBuffer(gl.ARRAY_BUFFER, buf);
wtu.glErrorShouldBe(gl, gl.NO_ERROR);
var count = 4;
var arrayBuffer = new ArrayBuffer(test.size * count);
var view = new window[test.type](arrayBuffer);
for (var ii = 0; ii < count; ++ii) {
view[ii] = ii;
}
gl.bufferData(gl.ARRAY_BUFFER, view, gl.STATIC_DRAW, 0, count + 1);
wtu.glErrorShouldBe(gl, gl.INVALID_VALUE,
"calling bufferData when srcOffset + length is larger than source size");
gl.bufferData(gl.ARRAY_BUFFER, view, gl.STATIC_DRAW, count + 1);
wtu.glErrorShouldBe(gl, gl.INVALID_VALUE,
"calling bufferData when srcOffset + length is larger than source size");
gl.bufferData(gl.ARRAY_BUFFER, view, gl.STATIC_DRAW, count - 1, 2);
wtu.glErrorShouldBe(gl, gl.INVALID_VALUE,
"calling bufferData when srcOffset + length is larger than source size");
var offset = 2;
var size = count - offset;
gl.bufferData(gl.ARRAY_BUFFER, view, gl.STATIC_DRAW, offset);
wtu.glErrorShouldBe(gl, gl.NO_ERROR,
"calling bufferData with valid sub source should succeed");
verifyBufferData(test, 0, size, view.slice(offset, offset + size));
offset = 1;
size = 1;
gl.bufferData(gl.ARRAY_BUFFER, view, gl.STATIC_DRAW, offset, size);
wtu.glErrorShouldBe(gl, gl.NO_ERROR,
"calling bufferData with valid sub source should succeed");
verifyBufferData(test, 0, size, view.slice(offset, offset + size));
gl.bufferData(gl.ARRAY_BUFFER, view, gl.STATIC_DRAW, count);
wtu.glErrorShouldBe(gl, gl.NO_ERROR,
"calling bufferData with valid sub source of size 0 should succeed");
gl.deleteBuffer(buf);
gl.bindBuffer(gl.ARRAY_BUFFER, null);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no GL error");
}
}
function bufferSubDataTest(testCases) {
for (var idx = 0; idx < testCases.length; ++idx) {
var test = testCases[idx];
debug("");
debug("Test bufferSubData with " + test.type);
var count = 4;
var totalBufferBytes = test.size * count * 2;
var buf = gl.createBuffer();
shouldBeNonNull(buf);
gl.bindBuffer(gl.ARRAY_BUFFER, buf);
gl.bufferData(gl.ARRAY_BUFFER, totalBufferBytes, gl.STATIC_DRAW);
wtu.glErrorShouldBe(gl, gl.NO_ERROR);
var arrayBuffer = new ArrayBuffer(test.size * count);
var view = new window[test.type](arrayBuffer);
for (var ii = 0; ii < count; ++ii) {
view[ii] = ii;
}
var sourceByteOffset = test.size * 2;
gl.bufferSubData(gl.ARRAY_BUFFER, sourceByteOffset, view, 0, count + 1);
wtu.glErrorShouldBe(gl, gl.INVALID_VALUE,
"calling bufferSubData when srcOffset + length is larger than source size");
gl.bufferSubData(gl.ARRAY_BUFFER, sourceByteOffset, view, count + 1);
wtu.glErrorShouldBe(gl, gl.INVALID_VALUE,
"calling bufferSubData when srcOffset + length is larger than source size");
gl.bufferSubData(gl.ARRAY_BUFFER, sourceByteOffset, view, count - 1, 2);
wtu.glErrorShouldBe(gl, gl.INVALID_VALUE,
"calling bufferSubData when srcOffset + length is larger than source size");
var offset = 2;
var size = count - offset;
gl.bufferSubData(gl.ARRAY_BUFFER, sourceByteOffset, view, offset);
wtu.glErrorShouldBe(gl, gl.NO_ERROR,
"calling bufferSubData with valid sub source should succeed");
verifyBufferData(test, sourceByteOffset, size, view.slice(offset, offset + size));
offset = 1;
size = 1;
gl.bufferSubData(gl.ARRAY_BUFFER, sourceByteOffset, view, offset, size);
wtu.glErrorShouldBe(gl, gl.NO_ERROR,
"calling bufferSubData with valid sub source should succeed");
verifyBufferData(test, sourceByteOffset, size, view.slice(offset, offset + size));
gl.bufferSubData(gl.ARRAY_BUFFER, sourceByteOffset, view, count);
wtu.glErrorShouldBe(gl, gl.NO_ERROR,
"calling bufferSubData with valid sub source of size 0 should succeed");
gl.deleteBuffer(buf);
gl.bindBuffer(gl.ARRAY_BUFFER, null);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, "no GL error");
}
}
if (!gl) {
testFailed("WebGL context does not exist");
} else {
testPassed("WebGL context exists");
var testCases = [
{type: "Uint8Array", size: 1},
{type: "Int8Array", size: 1},
{type: "Int16Array", size: 2},
{type: "Uint16Array", size: 2},
{type: "Uint32Array", size: 4},
{type: "Int32Array", size: 4},
{type: "Float32Array", size: 4},
{type: "Float64Array", size: 8}
];
bufferDataTest(testCases);
bufferSubDataTest(testCases);
}
var successfullyParsed = true;
</script>
<script src="../../js/js-test-post.js"></script>
</body>
</html>
|
