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| (Empty) | |
| 1 <!DOCTYPE html> |
| 2 <html><head> |
| 3 <meta charset="utf-8"> |
| 4 <link rel="stylesheet" type="text/css" href="../unit.css" /> |
| 5 <script type="application/x-javascript" src="../unit.js"></script> |
| 6 <script type="application/x-javascript" src="../util.js"></script> |
| 7 <script type="application/x-javascript"> |
| 8 |
| 9 Tests.startUnit = function () { |
| 10 var canvas = document.getElementById('gl'); |
| 11 var gl = wrapGLContext(canvas.getContext(GL_CONTEXT_ID)); |
| 12 return [gl]; |
| 13 } |
| 14 |
| 15 Tests.testUniformArray = function(gl) { |
| 16 var sh = new Filter(gl, 'foobar-vert', 'foobar-frag'); |
| 17 sh.apply(function(f){ |
| 18 var uniV4 = f.uniform('uniV4'); |
| 19 var uniFloat = f.uniform('uniFloat'); |
| 20 assertOk("1fv on 1fv", |
| 21 function(){gl.uniform1fv(uniFloat, [2]);}); |
| 22 assertOk("5 values on 1fv", |
| 23 function(){gl.uniform1fv(uniFloat, [2,3,4,5,6]);}); |
| 24 assertOk("4fv on 4fv", |
| 25 function(){gl.uniform4fv(uniV4, [1, 2, 3, 4]);}); |
| 26 assertOk("8 values on 4fv", |
| 27 function(){gl.uniform4fv(uniV4, [1, 2, 3, 4, 5, 6, 7, 8]);}); |
| 28 |
| 29 var uniformsFound = 0; |
| 30 var numUniforms = gl.getProgramParameter(f.shader.program, gl.ACTIVE_UNI
FORMS); |
| 31 for (var i = 0; i < numUniforms; ++i) { |
| 32 var uniformName = gl.getActiveUniform(f.shader.program, i).name; |
| 33 if (uniformName.indexOf('uniV4') == 0 || uniformName.indexOf('un
iFloat') == 0) { |
| 34 assert("Uniform array of length 1 ends with [0]", unifor
mName.indexOf("[0]") != -1); |
| 35 ++uniformsFound; |
| 36 } |
| 37 } |
| 38 assert("Both uniforms found", uniformsFound == 2); |
| 39 |
| 40 uniV4 = f.uniform('uniV4[0]'); |
| 41 uniFloat = f.uniform('uniFloat[0]'); |
| 42 assertOk("1fv on 1fv", |
| 43 function(){gl.uniform1fv(uniFloat, [2]);}); |
| 44 assertOk("5 values on 1fv", |
| 45 function(){gl.uniform1fv(uniFloat, [2,3,4,5,6]);}); |
| 46 assertOk("4fv on 4fv", |
| 47 function(){gl.uniform4fv(uniV4, [1, 2, 3, 4]);}); |
| 48 assertOk("8 values on 4fv", |
| 49 function(){gl.uniform4fv(uniV4, [1, 2, 3, 4, 5, 6, 7, 8]);}); |
| 50 |
| 51 }); |
| 52 var d = new Uint8Array(4); |
| 53 gl.readPixels(0,0,1,1,gl.RGBA, gl.UNSIGNED_BYTE, d); |
| 54 assertArrayEquals([1,2,3,8], d); |
| 55 sh.destroy(); |
| 56 throwError(gl); |
| 57 } |
| 58 |
| 59 Tests.endUnit = function(gl) { |
| 60 } |
| 61 |
| 62 </script> |
| 63 <script id="foobar-vert" type="x-shader/x-vertex"> |
| 64 attribute vec3 Vertex; |
| 65 attribute vec2 Tex; |
| 66 |
| 67 uniform float uniFloat[1]; |
| 68 |
| 69 varying vec4 texCoord0; |
| 70 void main() |
| 71 { |
| 72 texCoord0 = vec4(Tex.s, 1.0-Tex.t, uniFloat[0], 0.0); |
| 73 gl_Position = vec4(Vertex, 1.0); |
| 74 } |
| 75 </script> |
| 76 <script id="foobar-frag" type="x-shader/x-fragment"> |
| 77 precision mediump float; |
| 78 |
| 79 uniform vec4 uniV4[1]; |
| 80 |
| 81 varying vec4 texCoord0; |
| 82 void main() |
| 83 { |
| 84 gl_FragColor = vec4( |
| 85 uniV4[0].r/256.0, |
| 86 uniV4[0].g/256.0, |
| 87 uniV4[0].b/256.0, |
| 88 uniV4[0].a*texCoord0.z/256.0); |
| 89 } |
| 90 </script> |
| 91 <style>canvas{ position:absolute; }</style> |
| 92 </head><body> |
| 93 <canvas id="gl" width="16" height="16"></canvas> |
| 94 </body></html> |
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Chromium Code Reviews
Issue 8342021:
Add webgl conformance tests r15841. (Closed)
Base URL: svn://chrome-svn/chrome/trunk/deps/third_party/webgl/sdk/tests/