Add ToT WebGL conformance tests : part 10

conformance/resources/tex-image-and-sub-image-2d-with-video.js

Index: conformance/resources/tex-image-and-sub-image-2d-with-video.js
===================================================================
--- conformance/resources/tex-image-and-sub-image-2d-with-video.js	(revision 0)
+++ conformance/resources/tex-image-and-sub-image-2d-with-video.js	(working copy)
@@ -0,0 +1,172 @@
+/*
+** 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.
+*/
+
+// This block needs to be outside the onload handler in order for this
+// test to run reliably in WebKit's test harness (at least the
+// Chromium port). https://bugs.webkit.org/show_bug.cgi?id=87448
+initTestingHarness();
+
+var old = debug;
+var debug = function(msg) {
+  console.log(msg);
+  old(msg);
+};
+
+function generateTest(pixelFormat, pixelType, prologue) {
+    var wtu = WebGLTestUtils;
+    var gl = null;
+    var textureLoc = null;
+    var successfullyParsed = false;
+
+    // Test each format separately because many browsers implement each
+    // differently. Some might be GPU accelerated, some might not. Etc...
+    var videos = [
+      { src: "../resources/red-green.mp4"         , type: 'video/mp4; codecs="avc1.42E01E, mp4a.40.2"', },
+      { src: "../resources/red-green.webmvp8.webm", type: 'video/webm; codecs="vp8, vorbis"',           },
+      { src: "../resources/red-green.theora.ogv",   type: 'video/ogg; codecs="theora, vorbis"',         },
+    ];
+
+    var videoNdx = 0;
+    var video;
+
+    function runNextVideo() {
+        if (video) {
+            video.pause();
+        }
+
+        if (videoNdx == videos.length) {
+            finishTest();
+            return;
+        }
+
+        var info = videos[videoNdx++];
+        debug("");
+        debug("testing: " + info.type);
+        video = document.createElement("video");
+        var canPlay = true;
+        if (!video.canPlayType) {
+          testFailed("video.canPlayType required method missing");
+          runNextVideo();
+          return;
+        }
+
+        if(!video.canPlayType(info.type).replace(/no/, '')) {
+          debug(info.type + " unsupported");
+          runNextVideo();
+          return;
+        };
+
+        document.body.appendChild(video);
+        video.type = info.type;
+        video.src = info.src;
+        wtu.startPlayingAndWaitForVideo(video, runTest);
+    }
+
+    var init = function()
+    {
+        description('Verify texImage2D and texSubImage2D code paths taking video elements (' + pixelFormat + '/' + pixelType + ')');
+
+        gl = wtu.create3DContext("example");
+
+        if (!prologue(gl)) {
+            finishTest();
+            return;
+        }
+
+        var program = wtu.setupTexturedQuad(gl);
+
+        gl.clearColor(0,0,0,1);
+        gl.clearDepth(1);
+
+        textureLoc = gl.getUniformLocation(program, "tex");
+        runNextVideo();
+    }
+
+    function runOneIteration(videoElement, useTexSubImage2D, flipY, topColor, bottomColor)
+    {
+        debug('Testing ' + (useTexSubImage2D ? 'texSubImage2D' : 'texImage2D') +
+              ' with flipY=' + flipY);
+        gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT);
+        // Disable any writes to the alpha channel
+        gl.colorMask(1, 1, 1, 0);
+        var texture = gl.createTexture();
+        // Bind the texture to texture unit 0
+        gl.bindTexture(gl.TEXTURE_2D, texture);
+        // Set up texture parameters
+        gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST);
+        gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
+        gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE);
+        gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE);
+        // Set up pixel store parameters
+        gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY);
+        gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);
+        // Upload the videoElement into the texture
+        if (useTexSubImage2D) {
+            // Initialize the texture to black first
+            gl.texImage2D(gl.TEXTURE_2D, 0, gl[pixelFormat],
+                          videoElement.videoWidth, videoElement.videoHeight, 0,
+                          gl[pixelFormat], gl[pixelType], null);
+            gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl[pixelFormat], gl[pixelType], videoElement);
+        } else {
+            gl.texImage2D(gl.TEXTURE_2D, 0, gl[pixelFormat], gl[pixelFormat], gl[pixelType], videoElement);
+        }
+
+        var c = document.createElement("canvas");
+        c.width = 16;
+        c.height = 16;
+        c.style.border = "1px solid black";
+        var ctx = c.getContext("2d");
+        ctx.drawImage(videoElement, 0, 0, 16, 16);
+        document.body.appendChild(c);
+
+        // Point the uniform sampler to texture unit 0
+        gl.uniform1i(textureLoc, 0);
+        // Draw the triangles
+        wtu.clearAndDrawUnitQuad(gl, [0, 0, 0, 255]);
+        // Check a few pixels near the top and bottom and make sure they have
+        // the right color.
+        var tolerance = 5;
+        debug("Checking lower left corner");
+        wtu.checkCanvasRect(gl, 4, 4, 2, 2, bottomColor,
+                            "shouldBe " + bottomColor, tolerance);
+        debug("Checking upper left corner");
+        wtu.checkCanvasRect(gl, 4, gl.canvas.height - 8, 2, 2, topColor,
+                            "shouldBe " + topColor, tolerance);
+    }
+
+    function runTest(videoElement)
+    {
+        var red = [255, 0, 0];
+        var green = [0, 255, 0];
+        runOneIteration(videoElement, false, true, red, green);
+        runOneIteration(videoElement, false, false, green, red);
+        runOneIteration(videoElement, true, true, red, green);
+        runOneIteration(videoElement, true, false, green, red);
+
+        glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");
+
+        runNextVideo();
+    }
+
+    return init;
+}
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