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Unified Diff: conformance/oes-standard-derivatives.html

Issue 8344024: Remove older revision of webgl conformance tests. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/
Patch Set: Created 9 years, 2 months ago
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Index: conformance/oes-standard-derivatives.html
===================================================================
--- conformance/oes-standard-derivatives.html (revision 106149)
+++ conformance/oes-standard-derivatives.html (working copy)
@@ -1,375 +0,0 @@
-<!--
-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 OES_standard_derivatives 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: 50px; height: 50px;"> </canvas>
-<div id="console"></div>
-<!-- Shaders for testing standard derivatives -->
-
-<!-- Shader omitting the required #extension pragma -->
-<script id="missingPragmaFragmentShader" type="x-shader/x-fragment">
-precision mediump float;
-varying vec2 texCoord;
-void main() {
- float dx = dFdx(texCoord.x);
- float dy = dFdy(texCoord.y);
- float w = fwidth(texCoord.x);
- gl_FragColor = vec4(dx, dy, w, 1.0);
-}
-</script>
-
-<!-- Shader to test macro definition -->
-<script id="macroFragmentShader" type="x-shader/x-fragment">
-precision mediump float;
-void main() {
-#ifdef GL_OES_standard_derivatives
- gl_FragColor = vec4(0.0, 0.0, 0.0, 0.0);
-#else
- // Error expected
- #error no GL_OES_standard_derivatives;
-#endif
-}
-</script>
-
-<!-- Shader with required #extension pragma -->
-<script id="testFragmentShader" type="x-shader/x-fragment">
-#extension GL_OES_standard_derivatives : enable
-precision mediump float;
-varying vec2 texCoord;
-void main() {
- float dx = dFdx(texCoord.x);
- float dy = dFdy(texCoord.y);
- float w = fwidth(texCoord.x);
- gl_FragColor = vec4(dx, dy, w, 1.0);
-}
-</script>
-
-<!-- Shaders to test output -->
-<script id="outputVertexShader" type="x-shader/x-vertex">
-attribute vec4 vPosition;
-varying vec4 position;
-void main() {
- position = vPosition;
- gl_Position = vPosition;
-}
-</script>
-<script id="outputFragmentShader" type="x-shader/x-fragment">
-#extension GL_OES_standard_derivatives : enable
-precision mediump float;
-varying vec4 position;
-void main() {
- float dzdx = dFdx(position.z);
- float dzdy = dFdy(position.z);
- float fw = fwidth(position.z);
- gl_FragColor = vec4(abs(dzdx), abs(dzdy), fw, 1.0);
-}
-</script>
-
-<script>
-description("This test verifies the functionality of the OES_standard_derivatives extension, if it is available.");
-
-debug("");
-
-var wtu = WebGLTestUtils;
-var canvas = document.getElementById("canvas");
-var gl = create3DContext(canvas);
-var ext = null;
-
-if (!gl) {
- testFailed("WebGL context does not exist");
-} else {
- testPassed("WebGL context exists");
-
- // Run tests with extension disabled
- runHintTestDisabled();
- runShaderTests(false);
-
- // Query the extension and store globally so shouldBe can access it
- ext = gl.getExtension("OES_standard_derivatives");
- if (!ext) {
- testPassed("No OES_standard_derivatives support -- this is legal");
-
- runSupportedTest(false);
- } else {
- testPassed("Successfully enabled OES_standard_derivatives extension");
-
- runSupportedTest(true);
-
- runHintTestEnabled();
- runShaderTests(true);
- runOutputTests();
- runUniqueObjectTest();
- }
-}
-
-function runSupportedTest(extensionEnabled) {
- var supported = gl.getSupportedExtensions();
- if (supported.indexOf("OES_standard_derivatives") >= 0) {
- if (extensionEnabled) {
- testPassed("OES_standard_derivatives listed as supported and getExtension succeeded");
- } else {
- testFailed("OES_standard_derivatives listed as supported but getExtension failed");
- }
- } else {
- if (extensionEnabled) {
- testFailed("OES_standard_derivatives not listed as supported but getExtension succeeded");
- } else {
- testPassed("OES_standard_derivatives not listed as supported and getExtension failed -- this is legal");
- }
- }
-}
-
-function runHintTestDisabled() {
- debug("Testing FRAGMENT_SHADER_DERIVATIVE_HINT_OES with extension disabled");
-
- // Use the constant directly as we don't have the extension
- var FRAGMENT_SHADER_DERIVATIVE_HINT_OES = 0x8B8B;
-
- gl.getParameter(FRAGMENT_SHADER_DERIVATIVE_HINT_OES);
- glErrorShouldBe(gl, gl.INVALID_ENUM, "FRAGMENT_SHADER_DERIVATIVE_HINT_OES should not be queryable if extension is disabled");
-
- gl.hint(FRAGMENT_SHADER_DERIVATIVE_HINT_OES, gl.DONT_CARE);
- glErrorShouldBe(gl, gl.INVALID_ENUM, "hint should not accept FRAGMENT_SHADER_DERIVATIVE_HINT_OES if extension is disabled");
-}
-
-function runHintTestEnabled() {
- debug("Testing FRAGMENT_SHADER_DERIVATIVE_HINT_OES with extension enabled");
-
- shouldBe("ext.FRAGMENT_SHADER_DERIVATIVE_HINT_OES", "0x8B8B");
-
- gl.getParameter(ext.FRAGMENT_SHADER_DERIVATIVE_HINT_OES);
- glErrorShouldBe(gl, gl.NO_ERROR, "FRAGMENT_SHADER_DERIVATIVE_HINT_OES query should succeed if extension is enabled");
-
- // Default value is DONT_CARE
- if (gl.getParameter(ext.FRAGMENT_SHADER_DERIVATIVE_HINT_OES) == gl.DONT_CARE) {
- testPassed("Default value of FRAGMENT_SHADER_DERIVATIVE_HINT_OES is DONT_CARE");
- } else {
- testFailed("Default value of FRAGMENT_SHADER_DERIVATIVE_HINT_OES is not DONT_CARE");
- }
-
- // Ensure that we can set the target
- gl.hint(ext.FRAGMENT_SHADER_DERIVATIVE_HINT_OES, gl.DONT_CARE);
- glErrorShouldBe(gl, gl.NO_ERROR, "hint should accept FRAGMENT_SHADER_DERIVATIVE_HINT_OES");
-
- // Test all the hint modes
- var validModes = ["FASTEST", "NICEST", "DONT_CARE"];
- var anyFailed = false;
- for (var n = 0; n < validModes.length; n++) {
- var mode = validModes[n];
- gl.hint(ext.FRAGMENT_SHADER_DERIVATIVE_HINT_OES, gl[mode]);
- if (gl.getParameter(ext.FRAGMENT_SHADER_DERIVATIVE_HINT_OES) != gl[mode]) {
- testFailed("Round-trip of hint()/getParameter() failed on mode " + mode);
- anyFailed = true;
- }
- }
- if (!anyFailed) {
- testPassed("Round-trip of hint()/getParameter() with all supported modes");
- }
-}
-
-function runShaderTests(extensionEnabled) {
- debug("Testing various shader compiles with extension " + (extensionEnabled ? "enabled" : "disabled"));
-
- // Expect the macro shader to succeed ONLY if enabled
- var macroFragmentShader = wtu.loadShaderFromScript(gl, "macroFragmentShader");
- if (extensionEnabled) {
- if (macroFragmentShader) {
- // Expected result
- testPassed("GL_OES_standard_derivatives defined in shaders when extension is enabled");
- } else {
- testFailed("GL_OES_standard_derivatives not defined in shaders when extension is enabled");
- }
- } else {
- if (macroFragmentShader) {
- testFailed("GL_OES_standard_derivatives defined in shaders when extension is disabled");
- } else {
- testPassed("GL_OES_standard_derivatives not defined in shaders when extension disabled");
- }
- }
-
- // Always expect the shader missing the #pragma to fail (whether enabled or not)
- var missingPragmaFragmentShader = wtu.loadShaderFromScript(gl, "missingPragmaFragmentShader");
- if (missingPragmaFragmentShader) {
- testFailed("Shader built-ins allowed without #extension pragma");
- } else {
- testPassed("Shader built-ins disallowed without #extension pragma");
- }
-
- // Try to compile a shader using the built-ins that should only succeed if enabled
- var testFragmentShader = wtu.loadShaderFromScript(gl, "testFragmentShader");
- if (extensionEnabled) {
- if (testFragmentShader) {
- testPassed("Shader built-ins compiled successfully when extension enabled");
- } else {
- testFailed("Shader built-ins failed to compile when extension enabled");
- }
- } else {
- if (testFragmentShader) {
- testFailed("Shader built-ins compiled successfully when extension disabled");
- } else {
- testPassed("Shader built-ins failed to compile when extension disabled");
- }
- }
-}
-
-function runOutputTests() {
- // This tests does several draws with various values of z.
- // The output of the fragment shader is:
- // [dFdx(z), dFdy(z), fwidth(z), 1.0]
- // The expected math: (note the conversion to uint8)
- // canvas.width = canvas.height = 50
- // dFdx = totalChange.x / canvas.width = 0.5 / 50.0 = 0.01
- // dFdy = totalChange.y / canvas.height = 0.5 / 50.0 = 0.01
- // fw = abs(dFdx + dFdy) = 0.01 + 0.01 = 0.02
- // r = floor(dFdx * 255) = 3
- // g = floor(dFdy * 255) = 3
- // b = floor(fw * 255) = 5
-
- var e = 2; // Amount of variance to allow in result pixels - may need to be tweaked higher
-
- debug("Testing various draws for valid built-in function behavior");
-
- canvas.width = 50; canvas.height = 50;
- gl.viewport(0, 0, canvas.width, canvas.height);
- gl.hint(ext.FRAGMENT_SHADER_DERIVATIVE_HINT_OES, gl.NICEST);
-
- var shaders = [
- wtu.loadShaderFromScript(gl, "outputVertexShader"),
- wtu.loadShaderFromScript(gl, "outputFragmentShader")
- ];
- var program = wtu.setupProgram(gl, shaders, ['vPosition', 'texCoord0'], [0, 1]);
- var quadParameters = wtu.setupUnitQuad(gl, 0, 1);
-
- function readLocation(x, y) {
- var pixels = new Uint8Array(1 * 1 * 4);
- var px = Math.floor(x * canvas.width);
- var py = Math.floor(y * canvas.height);
- gl.readPixels(px, py, 1, 1, gl.RGBA, gl.UNSIGNED_BYTE, pixels);
- return pixels;
- };
- function toString(arr) {
- var s = "[";
- for (var n = 0; n < arr.length; n++) {
- s += arr[n];
- if (n < arr.length - 1) {
- s += ", ";
- }
- }
- return s + "]";
- };
- function expectResult(target, successMessage, failureMessage) {
- var locations = [
- readLocation(0.1, 0.1),
- readLocation(0.9, 0.1),
- readLocation(0.1, 0.9),
- readLocation(0.9, 0.9),
- readLocation(0.5, 0.5)
- ];
- var anyDiffer = false;
- for (var n = 0; n < locations.length; n++) {
- var source = locations[n];
- for (var m = 0; m < 4; m++) {
- if (Math.abs(source[m] - target[m]) > e) {
- anyDiffer = true;
- testFailed(failureMessage + "; should be " + toString(target) + ", was " + toString(source));
- break;
- }
- }
- }
- if (!anyDiffer) {
- testPassed(successMessage);
- }
- };
-
- function setupBuffers(tl, tr, bl, br) {
- gl.bindBuffer(gl.ARRAY_BUFFER, quadParameters[0]);
- gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([
- 1.0, 1.0, tr,
- -1.0, 1.0, tl,
- -1.0, -1.0, bl,
- 1.0, 1.0, tr,
- -1.0, -1.0, bl,
- 1.0, -1.0, br]), gl.STATIC_DRAW);
- };
-
- // Draw 1: (no variation)
- setupBuffers(0.0, 0.0, 0.0, 0.0);
- wtu.drawQuad(gl);
- expectResult([0, 0, 0, 255],
- "Draw 1 (no variation) returned the correct data",
- "Draw 1 (no variation) returned incorrect data");
-
- // Draw 2: (variation in x)
- setupBuffers(1.0, 0.0, 1.0, 0.0);
- wtu.drawQuad(gl);
- expectResult([5, 0, 5, 255],
- "Draw 2 (variation in x) returned the correct data",
- "Draw 2 (variation in x) returned incorrect data");
-
- // Draw 3: (variation in y)
- setupBuffers(1.0, 1.0, 0.0, 0.0);
- wtu.drawQuad(gl);
- expectResult([0, 5, 5, 255],
- "Draw 3 (variation in y) returned the correct data",
- "Draw 3 (variation in y) returned incorrect data");
-
- // Draw 4: (variation in x & y)
- setupBuffers(1.0, 0.5, 0.5, 0.0);
- wtu.drawQuad(gl);
- expectResult([3, 3, 5, 255],
- "Draw 4 (variation in x & y) returned the correct data",
- "Draw 4 (variation in x & y) returned incorrect data");
-
-}
-
-function attemptToForceGC()
-{
- var holderArray = [];
- var tempArray;
- window.tempArray = holderArray;
- for (var i = 0; i < 12; ++i) {
- tempArray = [];
- for (var j = 0; j < 1024 * 1024; ++j) {
- tempArray.push(0);
- }
- holderArray.push(tempArray);
- }
- window.tempArray = null;
-}
-
-function runUniqueObjectTest()
-{
- debug("Testing that getExtension() returns the same object each time");
- gl.getExtension("OES_standard_derivatives").myProperty = 2;
- if (window.GCController) {
- window.GCController.collect();
- } else if (window.opera && window.opera.collect) {
- window.opera.collect();
- } else {
- attemptToForceGC();
- }
- shouldBe('gl.getExtension("OES_standard_derivatives").myProperty', '2');
-}
-
-
-debug("");
-successfullyParsed = true;
-</script>
-<script src="../resources/js-test-post.js"></script>
-
-</body>
-</html>
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