tenfourfox/dom/canvas/test/webgl-conformance/conformance/extensions/webgl-debug-shaders.html
Cameron Kaiser c9b2922b70 hello FPR
2017-04-19 00:56:45 -07:00

98 lines
3.2 KiB
HTML

<!--
Copyright (c) 2011 The Chromium Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>WebGL WebGL_debug_shaders 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>
<script src="../resources/webgl-test-utils.js"></script>
</head>
<body>
<div id="description"></div>
<canvas id="canvas" style="width: 1px; height: 1px;"> </canvas>
<div id="console"></div>
<!-- Shaders for testing standard derivatives -->
<script>
description("This test verifies the functionality of the WEBGL_debug_shaders extension, if it is available.");
debug("");
var wtu = WebGLTestUtils;
var gl = wtu.create3DContext("canvas");
var ext = null;
var shader = null;
if (!gl) {
testFailed("WebGL context does not exist");
} else {
testPassed("WebGL context exists");
// Query the extension and store globally so shouldBe can access it
ext = gl.getExtension("WEBGL_debug_shaders");
if (!ext) {
testPassed("No WEBGL_debug_shaders support -- this is legal");
runSupportedTest(false);
} else {
testPassed("Successfully enabled WEBGL_debug_shaders extension");
runSupportedTest(true);
runTestEnabled();
}
}
function runSupportedTest(extensionEnabled) {
var supported = gl.getSupportedExtensions();
if (supported.indexOf("WEBGL_debug_shaders") >= 0) {
if (extensionEnabled) {
testPassed("WEBGL_debug_shaders listed as supported and getExtension succeeded");
} else {
testFailed("WEBGL_debug_shaders listed as supported but getExtension failed");
}
} else {
if (extensionEnabled) {
testFailed("WEBGL_debug_shaders not listed as supported but getExtension succeeded");
} else {
testPassed("WEBGL_debug_shaders not listed as supported and getExtension failed -- this is legal");
}
}
}
function runTestEnabled() {
debug("Testing function with extension enabled");
var source = "void main() { gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); }";
shader = gl.createShader(gl.FRAGMENT_SHADER);
// if no source has been defined or compileShader() has not been called,
// getTranslatedShaderSource() should return an empty string.
shouldBe("ext.getTranslatedShaderSource(shader)", '""');
gl.shaderSource(shader, source);
shouldBe("ext.getTranslatedShaderSource(shader)", '""');
gl.compileShader(shader);
shouldBeTrue("gl.getShaderParameter(shader, gl.COMPILE_STATUS)");
var translatedSource = ext.getTranslatedShaderSource(shader);
glErrorShouldBe(gl, gl.NO_ERROR, "No gl error should occur");
if (translatedSource.length > 0)
testPassed("Successfully called getTranslatedShaderSource()");
else
testFailed("Calling getTranslatedShaderSource() failed");
}
debug("");
successfullyParsed = true;
</script>
<script>finishTest();</script>
</body>
</html>