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| 1 <!-- | |
| 2 Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
| 3 Use of this source code is governed by a BSD-style license that can be | |
| 4 found in the LICENSE file. | |
| 5 --> | |
| 6 <!DOCTYPE html> | |
| 7 <html> | |
| 8 <head> | |
| 9 <meta charset="utf-8"> | |
| 10 <link rel="stylesheet" href="../../resources/js-test-style.css"/> | |
| 11 <script src="../../resources/js-test-pre.js"></script> | |
| 12 <script src="../resources/webgl-test.js"></script> | |
| 13 <script src="../resources/webgl-test-utils.js"></script> | |
| 14 | |
| 15 <script> | |
| 16 var successfullyParsed = false; | |
| 17 | |
| 18 function init() | |
| 19 { | |
| 20 if (window.initNonKhronosFramework) { | |
| 21 window.initNonKhronosFramework(true); | |
| 22 } | |
| 23 | |
| 24 description('Verify copyTexImage2D and copyTexSubImage2D'); | |
| 25 | |
| 26 runTest(); | |
| 27 } | |
| 28 | |
| 29 var gl = null; | |
| 30 var wtu = WebGLTestUtils; | |
| 31 | |
| 32 function runTestIteration(antialias) | |
| 33 { | |
| 34 var canvas = document.getElementById( | |
| 35 antialias ? "antialiasOn" : "antialiasOff"); | |
| 36 var attribs = antialias ? { antialias: false } : undefined; | |
| 37 gl = wtu.create3DContext(canvas, attribs); | |
| 38 var program = wtu.setupTexturedQuad(gl); | |
| 39 var textureLoc = gl.getUniformLocation(program, "tex"); | |
| 40 glErrorShouldBe(gl, gl.NO_ERROR, "During Initialization"); | |
| 41 | |
| 42 gl.colorMask(1, 1, 1, 1); | |
| 43 gl.disable(gl.BLEND); | |
| 44 debug('Testing copyTexImage2D'); | |
| 45 | |
| 46 // Red canvas | |
| 47 gl.clearColor(1, 0, 0, 1); | |
| 48 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); | |
| 49 | |
| 50 var texture = gl.createTexture(); | |
| 51 // Bind the texture to texture unit 0 | |
| 52 gl.bindTexture(gl.TEXTURE_2D, texture); | |
| 53 // Set up texture | |
| 54 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, 2, 2, 0, gl.RGBA, gl.UNSIGNED_BYTE,
null); | |
| 55 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); | |
| 56 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); | |
| 57 gl.uniform1i(textureLoc, 0); | |
| 58 | |
| 59 var colors = [ | |
| 60 [1, 0, 0, 1], | |
| 61 [0, 1, 0, 1], | |
| 62 [0, 0, 1, 1], | |
| 63 [0.5, 0.5, 0.5, 0.5], | |
| 64 ]; | |
| 65 var count = 0; | |
| 66 for (var yy = -2; yy <= 2; ++yy) { | |
| 67 for (var xx = -2; xx <= 2; ++xx) { | |
| 68 for (var ii = 0; ii < 2; ++ii) { | |
| 69 var texColor = colors[count]; | |
| 70 var clearColor = colors[(count + 1) % colors.length]; | |
| 71 // clear to some color | |
| 72 gl.clearColor(texColor[0], texColor[1], texColor[2], texColor[3]); | |
| 73 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); | |
| 74 | |
| 75 // copy that color to the texture. | |
| 76 switch (ii) { | |
| 77 case 0: | |
| 78 gl.copyTexImage2D(gl.TEXTURE_2D, 0, gl.RGBA, xx, yy, 2, 2, 0); | |
| 79 glErrorShouldBe(gl, gl.NO_ERROR, | |
| 80 "using copyTexImage2D: x =" + xx + ", y = " + yy); | |
| 81 break; | |
| 82 case 1: | |
| 83 gl.copyTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, xx, yy, 2, 2); | |
| 84 glErrorShouldBe(gl, gl.NO_ERROR, | |
| 85 "using copyTexSubImage2D: x =" + xx + ", y = " + yy); | |
| 86 break; | |
| 87 } | |
| 88 | |
| 89 // clear to some other color. | |
| 90 gl.clearColor(clearColor[0], clearColor[1], clearColor[2], clearColor[
3]); | |
| 91 gl.clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT); | |
| 92 | |
| 93 // Draw the triangles | |
| 94 wtu.drawQuad(gl); | |
| 95 | |
| 96 // check the rendering results | |
| 97 for (var iy = 0; iy < 2; ++iy) { | |
| 98 for (var ix = 0; ix < 2; ++ix) { | |
| 99 var x = xx + ix; | |
| 100 var y = yy + iy; | |
| 101 var expectedColor = (x < 0 || y < 0 || x >= 2 || y >= 2) ? | |
| 102 [0,0,0,0] : | |
| 103 [Math.floor(255 * texColor[0]), | |
| 104 Math.floor(255 * texColor[1]), | |
| 105 Math.floor(255 * texColor[2]), | |
| 106 Math.floor(255 * texColor[3])]; | |
| 107 wtu.checkCanvasRect(gl, ix, iy, 1, 1, expectedColor, | |
| 108 "" + ix + ", " + iy + " should render " + expectedColor + " (+
/-1)", 1); | |
| 109 } | |
| 110 } | |
| 111 count = (count + 1) % colors.length; | |
| 112 } | |
| 113 } | |
| 114 } | |
| 115 | |
| 116 debug(""); | |
| 117 } | |
| 118 | |
| 119 function runTest(antialias) | |
| 120 { | |
| 121 debug("Testing with antialias on"); | |
| 122 runTestIteration(true); | |
| 123 debug("Testing with antialias off"); | |
| 124 runTestIteration(false); | |
| 125 | |
| 126 finishTest(); | |
| 127 } | |
| 128 </script> | |
| 129 </head> | |
| 130 <body onload="init()"> | |
| 131 <canvas id="antialiasOn" width="2px" height="2px"></canvas> | |
| 132 <canvas id="antialiasOff" width="2px" height="2px"></canvas> | |
| 133 <div id="description"></div> | |
| 134 <div id="console"></div> | |
| 135 </body> | |
| 136 </html> | |
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Chromium Code Reviews
Issue 9360034:
Remove everthing except conformance tests in the deps/third_party/webgl (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/