| OLD | NEW |
|---|
| (Empty) | |
| 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> |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 8342021:
Add webgl conformance tests r15841. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/