| Index: conformance/textures/tex-image-and-sub-image-2d-with-image.html
|
| ===================================================================
|
| --- conformance/textures/tex-image-and-sub-image-2d-with-image.html (revision 0)
|
| +++ conformance/textures/tex-image-and-sub-image-2d-with-image.html (revision 0)
|
| @@ -0,0 +1,141 @@
|
| +<!--
|
| +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">
|
| +<link rel="stylesheet" href="../../resources/js-test-style.css"/>
|
| +<script src="../../resources/js-test-pre.js"></script>
|
| +<script src="../resources/webgl-test.js"></script>
|
| +<script src="../resources/webgl-test-utils.js"></script>
|
| +<script>
|
| +var wtu = WebGLTestUtils;
|
| +var gl = null;
|
| +var textureLoc = null;
|
| +var successfullyParsed = false;
|
| +var imgCanvas;
|
| +
|
| +function init()
|
| +{
|
| + if (window.initNonKhronosFramework) {
|
| + window.initNonKhronosFramework(true);
|
| + }
|
| +
|
| + description('Verify texImage2D and texSubImage2D code paths taking Images');
|
| +
|
| + var canvas = document.getElementById("example");
|
| + gl = wtu.create3DContext(canvas);
|
| + var program = wtu.setupTexturedQuad(gl);
|
| +
|
| + gl.clearColor(0,0,0,1);
|
| + gl.clearDepth(1);
|
| +
|
| + textureLoc = gl.getUniformLocation(program, "tex");
|
| +
|
| + wtu.loadTexture(gl, "../resources/red-green.png", runTest);
|
| +}
|
| +
|
| +// These two declarations need to be global for "shouldBe" to see them
|
| +var buf = null;
|
| +var idx = 0;
|
| +var pixel = [0, 0, 0];
|
| +var correctColor = null;
|
| +
|
| +function runOneIteration(image, 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);
|
| + // Set up pixel store parameters
|
| + gl.pixelStorei(gl.UNPACK_FLIP_Y_WEBGL, flipY);
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| + gl.pixelStorei(gl.UNPACK_PREMULTIPLY_ALPHA_WEBGL, false);
|
| + gl.pixelStorei(gl.UNPACK_COLORSPACE_CONVERSION_WEBGL, gl.NONE);
|
| + // Upload the image into the texture
|
| + if (useTexSubImage2D) {
|
| + // Initialize the texture to black first
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| + gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, image.width, image.height, 0,
|
| + gl.RGBA, gl.UNSIGNED_BYTE, null);
|
| + gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, gl.RGBA, gl.UNSIGNED_BYTE, image);
|
| + } else {
|
| + gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, image);
|
| + }
|
| +
|
| + // Point the uniform sampler to texture unit 0
|
| + gl.uniform1i(textureLoc, 0);
|
| + // Draw the triangles
|
| + wtu.drawQuad(gl, [0, 0, 0, 255]);
|
| + // Check a few pixels near the top and bottom and make sure they have
|
| + // the right color.
|
| + debug("Checking lower left corner");
|
| + wtu.checkCanvasRect(gl, 4, 4, 2, 2, bottomColor,
|
| + "shouldBe " + bottomColor);
|
| + debug("Checking upper left corner");
|
| + wtu.checkCanvasRect(gl, 4, gl.canvas.height - 8, 2, 2, topColor,
|
| + "shouldBe " + topColor);
|
| +}
|
| +
|
| +function runTestOnImage(image) {
|
| + var red = [255, 0, 0];
|
| + var green = [0, 255, 0];
|
| + runOneIteration(image, false, true, red, green);
|
| + runOneIteration(image, false, false, green, red);
|
| + runOneIteration(image, true, true, red, green);
|
| + runOneIteration(image, true, false, green, red);
|
| +}
|
| +
|
| +function runTest(image)
|
| +{
|
| + runTestOnImage(image);
|
| +
|
| + imgCanvas = document.createElement("canvas");
|
| + imgCanvas.width = 1;
|
| + imgCanvas.height = 2;
|
| + var imgCtx = imgCanvas.getContext("2d");
|
| + imgCtx.drawImage(image, 0, 0);
|
| +
|
| + // apparently Image is different than <img>.
|
| + var newImage = new Image();
|
| + newImage.onload = function() {
|
| + runTest2(newImage);
|
| + };
|
| + newImage.src = imgCanvas.toDataURL();
|
| +}
|
| +
|
| +function runTest2(image) {
|
| + runTestOnImage(image);
|
| +
|
| + var newImage = document.createElement("img");
|
| + newImage.onload = function() {
|
| + runTest3(newImage);
|
| + };
|
| + newImage.src = imgCanvas.toDataURL();
|
| +}
|
| +
|
| +function runTest3(image) {
|
| + runTestOnImage(image);
|
| +
|
| + glErrorShouldBe(gl, gl.NO_ERROR, "should be no errors");
|
| + finishTest();
|
| +}
|
| +
|
| +</script>
|
| +</head>
|
| +<body onload="init()">
|
| +<canvas id="example" width="32px" height="32px"></canvas>
|
| +<div id="description"></div>
|
| +<div id="console"></div>
|
| +</body>
|
| +</html>
|
| +
|
| +
|
|
|
| Property changes on: conformance/textures/tex-image-and-sub-image-2d-with-image.html
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|
Chromium Code Reviews
Issue 8342021:
Add webgl conformance tests r15841. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/