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<!--
Copyright (c) 2020 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">
<title>Character Set</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>
<script src="../../../js/glsl-conformance-test.js"></script>
</head>
<body>
<div id="description"></div>
<div id="console"></div>
<canvas id="canvas" width="2" height="2"> </canvas>
<script>
"use strict";
// Check "OpenGL Registry The OpenGL ES Shading Language"
// Section 3.2 Character Sets For more info
description("This test checks character set validation for glsl.");
debug("");
debug("Canvas.getContext");
let wtu = WebGLTestUtils;
let gl = wtu.create3DContext("canvas");
let consoleDiv = document.getElementById("console");
if (!gl) {
testFailed("context does not exist");
} else {
testPassed("context exists");
debug("");
debug("Checking shader character set validation and compilation");
runTest();
}
function testShaderSource(shaderSource, msg) {
if (!quietMode()) {
wtu.addShaderSource(consoleDiv, "test fragment shader", shaderSource);
}
let shader = gl.createShader(gl.FRAGMENT_SHADER);
if (shader == null) {
testFailed("*** Error: unable to create shader '" + shaderSource + "'");
return;
}
gl.shaderSource(shader, shaderSource);
wtu.glErrorShouldBe(gl, gl.NO_ERROR, msg);
}
function MUST(ifTruthy) {
return ifTruthy ? 'MUST' : 'MUST NOT';
}
function runTest() {
const BAD_STRINGS = [
'$',
'"',
'一些注释',
'#line 42 "foo.glsl"',
];
const TESTS = [
['in identifier', s => s, false],
['in comment', s => `// ${s}`, true, true],
['in ifdef-out', s => `#if 0 \n${s} \n#endif`, true],
['in ifdef-out #preproc', s => `#if 0 \n#${s} \n#endif`, true],
['in #preproc', s => `#${s}`, false],
['in comment after #define', s => `#define TEST // ${s}`, true], // Regression test for crbug.com/940865
];
const glsl_tests = [];
for (const s of BAD_STRINGS) {
for (const [where, template, validCompile] of TESTS) {
const st = template(s);
const src = `
precision mediump float;
${st}
void main() {
gl_FragColor = vec4(1, 0, 0, 1);
}`.trim();
testShaderSource(src, `shaderSource allows Out-of-charset string '${s}' ${where} until compilation.`);
glsl_tests.push(
{
fShaderSource: src,
fShaderSuccess: validCompile,
linkSuccess: validCompile,
passMsg: `Out-of-charset string '${s}' ${where} ${MUST(validCompile)} compile.`
}
);
}
}
GLSLConformanceTester.runTests(glsl_tests);
}
debug("");
var successfullyParsed = true;
</script>
</body>
</html>