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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">
<title>Driver Bug - temp experssions should not crash</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>
<canvas id="example" width="40" height="40"> </canvas>
<div id="description"></div>
<div id="console"></div>
<script id="vshader" type="x-shader/x-vertex">
void main(){
gl_Position = vec4(0, 0, 0, 1);
}
</script>
<script id="fshaderUniformTest" type="x-shader/x-fragment">
precision mediump float;
uniform vec4 u_uniform;
void main()
{
vec4 temp = vec4(0, 0, 0, 0);
$(code)
gl_FragColor = temp;
}
</script>
<script>
"use strict";
var wtu = WebGLTestUtils;
var gl = wtu.create3DContext();
var fUniformTestSource = wtu.getScript("fshaderUniformTest");
var tests = [
];
var counts = [
{ count:100,
mustPass: true,
},
{ count: 1000,
mustPass: false,
},
{ count: 10000,
mustPass: false,
},
];
var operators = ["+", "-", "/", "*"];
counts.forEach(function(info) {
var generateCode = function(numVars) {
var codes = [];
var count = 0;
var step = 10;
for (var uu = 0; uu < numVars; uu += step) {
var subCodes = [""];
for (var vv = 0; vv < step; ++vv) {
subCodes.push(operators[(count++) % operators.length]);
}
subCodes.push("");
codes.push(" temp += " + subCodes.join("\n u_uniform ") + ";");
}
return {
code: codes.join("\n"),
};
};
var subs = generateCode(info.count);
tests.push({
vShaderId: "vshader",
vShaderSuccess: true,
fShaderSource: wtu.replaceParams(fUniformTestSource, subs),
fShaderSuccess: true,
linkSuccess: true,
ignoreResults: !info.mustPass,
passMsg: "shader with uniform with " + info.count + " operators in temp expressions in multiple lines",
});
subs.code = subs.code.replace(/\n +/g, " ")
tests.push({
vShaderId: "vshader",
vShaderSuccess: true,
fShaderSource: wtu.replaceParams(fUniformTestSource, subs),
fShaderSuccess: true,
linkSuccess: true,
ignoreResults: !info.mustPass,
passMsg: "shader with uniform with " + info.count + " operators in temp expressions in one line",
});
});
GLSLConformanceTester.runTests(tests);
</script>
</body>
</html>
|
