| <!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/javascript" src="../unit.js"></script> |
| <script type="application/javascript" src="../util.js"></script> |
| <script type="application/javascript"> |
| |
| Tests.startUnit = function () { |
| var canvas = document.getElementById('gl'); |
| var gl = wrapGLContext(getGLContext(canvas)); |
| return [gl]; |
| } |
| |
| Tests.testUniformArray = function(gl) { |
| var sh = new Filter(gl, 'foobar-vert', 'foobar-frag'); |
| sh.apply(function(f){ |
| var uniV4 = f.uniform('uniV4'); |
| var uniFloat = f.uniform('uniFloat'); |
| assertOk("1fv on 1fv", |
| function(){gl.uniform1fv(uniFloat, [2]);}); |
| assertOk("5 values on 1fv", |
| function(){gl.uniform1fv(uniFloat, [2,3,4,5,6]);}); |
| assertOk("4fv on 4fv", |
| function(){gl.uniform4fv(uniV4, [1, 2, 3, 4]);}); |
| assertOk("8 values on 4fv", |
| function(){gl.uniform4fv(uniV4, [1, 2, 3, 4, 5, 6, 7, 8]);}); |
| |
| var uniformsFound = 0; |
| var numUniforms = gl.getProgramParameter(f.shader.program, gl.ACTIVE_UNIFORMS); |
| for (var i = 0; i < numUniforms; ++i) { |
| var uniformName = gl.getActiveUniform(f.shader.program, i).name; |
| if (uniformName.indexOf('uniV4') == 0 || uniformName.indexOf('uniFloat') == 0) { |
| assert("Uniform array of length 1 ends with [0]", uniformName.indexOf("[0]") != -1); |
| ++uniformsFound; |
| } |
| } |
| assert("Both uniforms found", uniformsFound == 2); |
| |
| uniV4 = f.uniform('uniV4[0]'); |
| uniFloat = f.uniform('uniFloat[0]'); |
| assertOk("1fv on 1fv", |
| function(){gl.uniform1fv(uniFloat, [2]);}); |
| assertOk("5 values on 1fv", |
| function(){gl.uniform1fv(uniFloat, [2,3,4,5,6]);}); |
| assertOk("4fv on 4fv", |
| function(){gl.uniform4fv(uniV4, [1, 2, 3, 4]);}); |
| assertOk("8 values on 4fv", |
| function(){gl.uniform4fv(uniV4, [1, 2, 3, 4, 5, 6, 7, 8]);}); |
| |
| }); |
| var d = new Uint8Array(4); |
| gl.readPixels(0,0,1,1,gl.RGBA, gl.UNSIGNED_BYTE, d); |
| assertArrayEquals([1,2,3,8], d); |
| sh.destroy(); |
| throwError(gl); |
| } |
| |
| Tests.endUnit = function(gl) { |
| } |
| |
| </script> |
| <script id="foobar-vert" type="x-shader/x-vertex"> |
| attribute vec3 Vertex; |
| attribute vec2 Tex; |
| |
| uniform float uniFloat[1]; |
| |
| varying vec4 texCoord0; |
| void main() |
| { |
| texCoord0 = vec4(Tex.s, 1.0-Tex.t, uniFloat[0], 0.0); |
| gl_Position = vec4(Vertex, 1.0); |
| } |
| </script> |
| <script id="foobar-frag" type="x-shader/x-fragment"> |
| precision mediump float; |
| |
| uniform vec4 uniV4[1]; |
| |
| varying vec4 texCoord0; |
| void main() |
| { |
| gl_FragColor = vec4( |
| uniV4[0].r/255.0, |
| uniV4[0].g/255.0, |
| uniV4[0].b/255.0, |
| uniV4[0].a*texCoord0.z/255.0); |
| } |
| </script> |
| <style>canvas{ position:absolute; }</style> |
| </head><body> |
| <canvas id="gl" width="16" height="16"></canvas> |
| </body></html> |