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| 1 <!-- | |
| 2 Copyright (c) 2009 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 PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" | |
| 7 "http://www.w3.org/TR/html4/loose.dtd"> | |
| 8 <html> | |
| 9 <head> | |
| 10 <title>WebGL the minimum number of uniforms are supported.</title> | |
| 11 <link rel="stylesheet" href="../resources/js-test-style.css"/> | |
| 12 <script src="../resources/js-test-pre.js"></script> | |
| 13 <script src="resources/webgl-test.js"> </script> | |
| 14 <script src="resources/webgl-test-utils.js"> </script> | |
| 15 </head> | |
| 16 <body> | |
| 17 <canvas id="example" width="4" height="4" style="width: 40px; height: 30px;"></c
anvas> | |
| 18 <div id="description"></div> | |
| 19 <div id="console"></div> | |
| 20 <script id="vshader" type="x-shader/x-vertex"> | |
| 21 attribute vec4 vPosition; | |
| 22 void main() | |
| 23 { | |
| 24 gl_Position = vPosition; | |
| 25 } | |
| 26 </script> | |
| 27 | |
| 28 <script id="fshader" type="x-shader/x-fragment"> | |
| 29 #define NUM_TEXTURES 8 // See spec | |
| 30 #ifdef GL_ES | |
| 31 precision mediump float; | |
| 32 #endif | |
| 33 uniform sampler2D uni[8]; | |
| 34 void main() | |
| 35 { | |
| 36 vec4 c = vec4(0,0,0,0); | |
| 37 c += texture2D(uni[0], vec2(0.5, 0.5)); | |
| 38 c += texture2D(uni[1], vec2(0.5, 0.5)); | |
| 39 c += texture2D(uni[2], vec2(0.5, 0.5)); | |
| 40 c += texture2D(uni[3], vec2(0.5, 0.5)); | |
| 41 c += texture2D(uni[4], vec2(0.5, 0.5)); | |
| 42 c += texture2D(uni[5], vec2(0.5, 0.5)); | |
| 43 c += texture2D(uni[6], vec2(0.5, 0.5)); | |
| 44 c += texture2D(uni[7], vec2(0.5, 0.5)); | |
| 45 gl_FragColor = c; | |
| 46 } | |
| 47 </script> | |
| 48 <script> | |
| 49 var wtu = WebGLTestUtils; | |
| 50 var canvas = document.getElementById("example"); | |
| 51 var gl = wtu.create3DContext(canvas); | |
| 52 var program = wtu.setupTexturedQuad(gl); | |
| 53 | |
| 54 //------------------------------------------------------------------------------ | |
| 55 var program = wtu.setupProgram( | |
| 56 gl, | |
| 57 [wtu.loadShaderFromScript(gl, 'vshader', gl.VERTEX_SHADER), | |
| 58 wtu.loadShaderFromScript(gl, 'fshader', gl.FRAGMENT_SHADER)], | |
| 59 ['vPosition'], [0]); | |
| 60 | |
| 61 for (var ii = 0; ii < 8; ++ii) { | |
| 62 var loc = gl.getUniformLocation(program, "uni[" + ii + "]"); | |
| 63 gl.activeTexture(gl.TEXTURE0 + ii); | |
| 64 var tex = gl.createTexture(); | |
| 65 wtu.fillTexture(gl, tex, 1, 1, [32, 16, 8, ii * 9], 0); | |
| 66 gl.uniform1i(loc, ii); | |
| 67 } | |
| 68 | |
| 69 wtu.drawQuad(gl); | |
| 70 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); | |
| 71 wtu.checkCanvas(gl, [255, 128, 64, 252], | |
| 72 "Should render using all texture units"); | |
| 73 | |
| 74 successfullyParsed = true; | |
| 75 | |
| 76 </script> | |
| 77 </body> | |
| 78 <script src="../resources/js-test-post.js"></script> | |
| 79 | |
| 80 <script> | |
| 81 </script> | |
| 82 | |
| 83 </body> | |
| 84 </html> | |
| 85 | |
| 86 | |
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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/