| <!DOCTYPE html> |
| <html> |
| <head> |
| <meta charset="utf-8"> |
| <!-- |
| |
| /* |
| ** Copyright (c) 2012 The Khronos Group Inc. |
| ** |
| ** Permission is hereby granted, free of charge, to any person obtaining a |
| ** copy of this software and/or associated documentation files (the |
| ** "Materials"), to deal in the Materials without restriction, including |
| ** without limitation the rights to use, copy, modify, merge, publish, |
| ** distribute, sublicense, and/or sell copies of the Materials, and to |
| ** permit persons to whom the Materials are furnished to do so, subject to |
| ** the following conditions: |
| ** |
| ** The above copyright notice and this permission notice shall be included |
| ** in all copies or substantial portions of the Materials. |
| ** |
| ** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| ** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| ** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. |
| ** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY |
| ** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| ** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| ** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS. |
| */ |
| |
| --> |
| <link rel="stylesheet" type="text/css" href="../unit.css" /> |
| <script type="application/x-javascript" src="../unit.js"></script> |
| <script type="application/x-javascript" src="../util.js"></script> |
| <script type="application/x-javascript"> |
| |
| Tests.startUnit = function () { |
| var canvas = document.getElementById('gl'); |
| var gl = wrapGLContext(getGLContext(canvas)); |
| return [gl]; |
| } |
| |
| Tests.testUniformf = function(gl) { |
| var sh = new Filter(gl, 'foobar-vert', 'foobar-frag'); |
| sh.apply(function(f){ |
| var foo = f.uniform('foo'); |
| var bar = f.uniform('bar'); |
| gl.uniform4fv(foo, [1,2,3,4]); |
| gl.uniform1fv(bar, [2]); |
| }); |
| var d = new Uint8Array(4); |
| gl.readPixels(0,0,1,1,gl.RGBA, gl.UNSIGNED_BYTE, d); |
| assertEquals([1,2,3,8], [d[0], d[1], d[2], d[3]]); |
| sh.apply(function(f){ |
| var foo = f.uniform('foo'); |
| var bar = f.uniform('bar'); |
| gl.uniform4f(foo, 2,2,3,4); |
| gl.uniform1f(bar, 3); |
| }); |
| gl.readPixels(0,0,1,1,gl.RGBA, gl.UNSIGNED_BYTE, d); |
| assertEquals([2,2,3,12], [d[0], d[1], d[2], d[3]]); |
| sh.destroy(); |
| } |
| |
| Tests.endUnit = function(gl) { |
| } |
| |
| </script> |
| <script id="foobar-vert" type="x-shader/x-vertex"> |
| attribute vec3 Vertex; |
| attribute vec2 Tex; |
| |
| uniform float bar; |
| |
| varying vec4 texCoord0; |
| void main() |
| { |
| texCoord0 = vec4(Tex.s, 1.0-Tex.t, bar, 0.0); |
| gl_Position = vec4(Vertex, 1.0); |
| } |
| </script> |
| <script id="foobar-frag" type="x-shader/x-fragment"> |
| precision mediump float; |
| |
| uniform vec4 foo; |
| |
| varying vec4 texCoord0; |
| void main() |
| { |
| gl_FragColor = vec4(foo.r/255.0, foo.g/255.0, foo.b/255.0, foo.a*texCoord0.z/255.0); |
| } |
| </script> |
| <style>canvas{ position:absolute; }</style> |
| </head><body> |
| <canvas id="gl" width="16" height="16"></canvas> |
| </body></html> |
