Index: conformance/extensions/webgl-debug-shaders.html |
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+<!-- |
+ |
+/* |
+** 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 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> |
+"use strict"; |
+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; |
+var program = null; |
+var info = null; |
+var translatedSource; |
+ |
+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 shaderInfos = [ |
+ { |
+ source: "void main() { gl_Position = vec4(1.0, 0.0, 0.0, 1.0); }", |
+ type: gl.VERTEX_SHADER |
+ }, |
+ { |
+ source: "void main() { gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); }", |
+ type: gl.FRAGMENT_SHADER |
+ } |
+ ]; |
+ |
+ // Do this twice to test for caching issues. |
+ for (var jj = 0; jj < 2; ++jj) { |
+ debug("pass:" + (jj + 1)); |
+ program = gl.createProgram(); |
+ for (var ii = 0; ii < shaderInfos.length; ++ii) { |
+ info = shaderInfos[ii]; |
+ |
+ shader = gl.createShader(info.type); |
+ |
+ // if no source has been defined or compileShader() has not been called, |
+ // getTranslatedShaderSource() should return an empty string. |
+ shouldBeNull("ext.getTranslatedShaderSource(shader)"); |
+ gl.shaderSource(shader, info.source); |
+ shouldBeNull("ext.getTranslatedShaderSource(shader)"); |
+ gl.compileShader(shader); |
+ shouldBeTrue("gl.getShaderParameter(shader, gl.COMPILE_STATUS)"); |
+ translatedSource = ext.getTranslatedShaderSource(shader); |
+ glErrorShouldBe(gl, gl.NO_ERROR, "No gl error should occur"); |
+ if (translatedSource && translatedSource.length > 0) { |
+ testPassed("Successfully called getTranslatedShaderSource()"); |
+ } else { |
+ testFailed("Calling getTranslatedShaderSource() failed"); |
+ } |
+ gl.attachShader(program, shader); |
+ } |
+ gl.linkProgram(program); |
+ shouldBeTrue("gl.getProgramParameter(program, gl.LINK_STATUS)"); |
+ } |
+ |
+ // Test changing the source. Make sure we get the correct source each time. |
+ debug("test changing source"); |
+ shader = gl.createShader(gl.FRAGMENT_SHADER); |
+ gl.shaderSource(shader, "void main() { gl_FragColor = vec4(gl_FragCoord.x, 0.0, 0.0, 1.0); }"); |
+ gl.compileShader(shader); |
+ shouldBeTrue("gl.getShaderParameter(shader, gl.COMPILE_STATUS)"); |
+ translatedSource = ext.getTranslatedShaderSource(shader); |
+ shouldBeTrue('translatedSource && translatedSource.indexOf("gl_FragCoord") >= 0'); |
+ // change the source but don't compile. |
+ gl.shaderSource(shader, "void main() { gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0); }"); |
+ // the source should NOT change. It should be the same as the old source. |
+ newTranslatedSource = ext.getTranslatedShaderSource(shader); |
+ shouldBe('newTranslatedSource', 'translatedSource'); |
+ // now compile. |
+ gl.compileShader(shader); |
+ shouldBeTrue("gl.getShaderParameter(shader, gl.COMPILE_STATUS)"); |
+ // the source should have change. |
+ newTranslatedSource = ext.getTranslatedShaderSource(shader); |
+ shouldNotBe('newTranslatedSource', 'translatedSource'); |
+} |
+ |
+debug(""); |
+var successfullyParsed = true; |
+</script> |
+<script src="../../resources/js-test-post.js"></script> |
+ |
+</body> |
+</html> |
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