The Tor Browser / file comparison
comparison: content/canvas/test/webgl-conformance/conformance/limits/gl-min-uniforms.html
content/canvas/test/webgl-conformance/conformance/limits/gl-min-uniforms.html
- branch
- TOR_BUG_3246
- changeset 6
- 8bccb770b82d
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| -1:000000000000 | 0:02652a93f306 |
|---|---|
| 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 <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;"></canvas> | |
| 18 <div id="description"></div> | |
| 19 <div id="console"></div> | |
| 20 <script id="vshader" type="x-shader/x-vertex"> | |
| 21 #define NUM_UNIFORMS 128 // See spec | |
| 22 attribute vec4 vPosition; | |
| 23 uniform vec4 uni[NUM_UNIFORMS]; | |
| 24 varying vec4 color; | |
| 25 void main() | |
| 26 { | |
| 27 gl_Position = vPosition; | |
| 28 vec4 c = vec4(0,0,0,0); | |
| 29 for (int ii = 0; ii < NUM_UNIFORMS; ++ii) { | |
| 30 c += uni[ii]; | |
| 31 } | |
| 32 color = c; | |
| 33 } | |
| 34 </script> | |
| 35 | |
| 36 <script id="fshader" type="x-shader/x-fragment"> | |
| 37 precision mediump float; | |
| 38 varying vec4 color; | |
| 39 void main() | |
| 40 { | |
| 41 gl_FragColor = color; | |
| 42 } | |
| 43 </script> | |
| 44 <script id="vshader2" type="x-shader/x-vertex"> | |
| 45 attribute vec4 vPosition; | |
| 46 void main() | |
| 47 { | |
| 48 gl_Position = vPosition; | |
| 49 } | |
| 50 </script> | |
| 51 | |
| 52 <script id="fshader2" type="x-shader/x-fragment"> | |
| 53 precision mediump float; | |
| 54 #define NUM_UNIFORMS 16 // See spec | |
| 55 uniform vec4 uni[NUM_UNIFORMS]; | |
| 56 void main() | |
| 57 { | |
| 58 vec4 c = vec4(0,0,0,0); | |
| 59 for (int ii = 0; ii < NUM_UNIFORMS; ++ii) { | |
| 60 c += uni[ii]; | |
| 61 } | |
| 62 gl_FragColor = vec4(c.r, c.g, c.b, c.a / 120.0); | |
| 63 } | |
| 64 </script> | |
| 65 <script> | |
| 66 description(document.title); | |
| 67 var wtu = WebGLTestUtils; | |
| 68 var gl = wtu.create3DContext("example"); | |
| 69 var program = wtu.setupTexturedQuad(gl); | |
| 70 | |
| 71 //------------------------------------------------------------------------------ | |
| 72 var program = wtu.setupProgram(gl, ['vshader', 'fshader'], ['vPosition'], [0]); | |
| 73 | |
| 74 for (var ii = 0; ii < 128; ++ii) { | |
| 75 var loc = gl.getUniformLocation(program, "uni[" + ii + "]"); | |
| 76 gl.uniform4f(loc, 2/256, 2/512, 2/1024, ii/8128); | |
| 77 } | |
| 78 | |
| 79 wtu.drawQuad(gl); | |
| 80 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); | |
| 81 wtu.checkCanvasRect(gl, 0, 0, gl.canvas.width, gl.canvas.height, [255, 127, 64, 255], "Should render 255,127,64,32 (+/-1)", 1); | |
| 82 | |
| 83 //------------------------------------------------------------------------------ | |
| 84 var program = wtu.setupProgram(gl, ['vshader2', 'fshader2'], ['vPosition'], [0]); | |
| 85 | |
| 86 for (var ii = 0; ii < 16; ++ii) { | |
| 87 var loc = gl.getUniformLocation(program, "uni[" + ii + "]"); | |
| 88 gl.uniform4f(loc, 16/2048, 16/1024, 16/512, ii); | |
| 89 } | |
| 90 | |
| 91 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); | |
| 92 wtu.drawQuad(gl); | |
| 93 glErrorShouldBe(gl, gl.NO_ERROR, "Should be no errors from setup."); | |
| 94 wtu.checkCanvasRect(gl, 0, 0, gl.canvas.width, gl.canvas.height, [32, 64, 127, 255], "Should render 32,64,127,255 (+/-1)", 1); | |
| 95 | |
| 96 successfullyParsed = true; | |
| 97 | |
| 98 </script> | |
| 99 <script>finishTest();</script> | |
| 100 | |
| 101 </body> | |
| 102 </html> | |
| 103 | |
| 104 |
