| Index: third_party/webgl/sdk/tests/conformance/programs/use-program-crash-with-discard-in-fragment-shader.html
|
| ===================================================================
|
| --- third_party/webgl/sdk/tests/conformance/programs/use-program-crash-with-discard-in-fragment-shader.html (revision 0)
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| +++ third_party/webgl/sdk/tests/conformance/programs/use-program-crash-with-discard-in-fragment-shader.html (revision 0)
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| @@ -0,0 +1,124 @@
|
| +<!--
|
| +
|
| +/*
|
| +** 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 Program Conformance Tests</title>
|
| +<link rel="stylesheet" href="../../resources/js-test-style.css"/>
|
| +<script src="../../resources/desktop-gl-constants.js" type="text/javascript"></script>
|
| +<script src="../../resources/js-test-pre.js"></script>
|
| +<script src="../resources/webgl-test.js"></script>
|
| +</head>
|
| +<body>
|
| +<div id="description"></div>
|
| +<div id="console"></div>
|
| +<canvas id="canvas" width="2" height="2"> </canvas>
|
| +<script id="vertexShader" language="x-shader/x-vertex">
|
| +attribute vec4 ATTR0;
|
| +void main()
|
| +{
|
| + gl_Position = ATTR0;
|
| +}
|
| +</script>
|
| +<script id="fragmentShader" language="x-shader/x-fragment">
|
| +precision mediump float;
|
| +void main()
|
| +{
|
| + float _Intensity = exp2(gl_FragCoord.w);
|
| + if (_Intensity < 0.5) {
|
| + discard;
|
| + }
|
| + gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);
|
| +}
|
| +</script>
|
| +<script>
|
| +description('Regression test for crash in Mac OS AMD OpenGL driver related to use of discard in fragment shader.<br><br>More specifically, triggering the crash seems to require examination of gl_FragCoord.w, use of exp2, and a call to discard in the fragment shader. Thanks to Sheheryar Zakaria and Michael Braithwaite at Turbulenz for the original test case.<br><a href="https://bugs.webkit.org/show_bug.cgi?id=73932">WebKit bug 73932</a><br>');
|
| +
|
| +debug("");
|
| +
|
| +var gl = create3DContext(document.getElementById("canvas"));
|
| +if (!gl) {
|
| + testFailed("context does not exist");
|
| +} else {
|
| + testPassed("context exists");
|
| +}
|
| +
|
| +debug("");
|
| +
|
| +var vertexShaderSource = document.getElementById("vertexShader").text;
|
| +var fragmentShaderSource = document.getElementById("fragmentShader").text;
|
| +var vertexShader = gl.createShader(gl.VERTEX_SHADER);
|
| +gl.shaderSource(vertexShader, vertexShaderSource);
|
| +gl.compileShader(vertexShader);
|
| +var fragmentShader = gl.createShader(gl.FRAGMENT_SHADER);
|
| +gl.shaderSource(fragmentShader, fragmentShaderSource);
|
| +gl.compileShader(fragmentShader);
|
| +var program = gl.createProgram();
|
| +gl.attachShader(program, vertexShader);
|
| +gl.attachShader(program, fragmentShader);
|
| +
|
| +gl.bindAttribLocation(program, 0, "ATTR0");
|
| +
|
| +gl.linkProgram(program);
|
| +
|
| +var linked = gl.getProgramParameter(program, gl.LINK_STATUS);
|
| +if (linked) {
|
| + testPassed("Program linked successfully");
|
| +} else {
|
| + testFailed("Program failed to link");
|
| + return;
|
| +}
|
| +
|
| +// Crash occurs here on affected machines
|
| +gl.useProgram(program);
|
| +
|
| +// In some browsers, such as Chrome, the above crash only causes a
|
| +// lost context event to be dispatched, and not synchronously. To verify
|
| +// that everything worked, clear and read back the frame buffer.
|
| +gl.clearColor(1.0, 0.0, 0.0, 1.0);
|
| +gl.clear(gl.COLOR_BUFFER_BIT);
|
| +var pixels = new Uint8Array(4);
|
| +gl.readPixels(0, 0, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, pixels);
|
| +if (pixels[0] == 255 &&
|
| + pixels[1] == 0 &&
|
| + pixels[2] == 0 &&
|
| + pixels[3] == 255) {
|
| + testPassed("useProgram, clear and readback executed successfully");
|
| +} else {
|
| + testFailed("color was (" +
|
| + pixels[0] + ", " + pixels[1] + ", " + pixels[2] + ", " + pixels[3] +
|
| + "), should be (255, 0, 0, 255)");
|
| +}
|
| +
|
| +successfullyParsed = true;
|
| +</script>
|
| +<script src="../../resources/js-test-post.js"></script>
|
| +
|
| +</body>
|
| +</html>
|
|
|
| Property changes on: third_party/webgl/sdk/tests/conformance/programs/use-program-crash-with-discard-in-fragment-shader.html
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|
Chromium Code Reviews
Issue 10399113:
Roll webgl conformance tests to r17874: part 2, adding r17874 (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/