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comparison: content/canvas/test/webgl-mochitest/test_noprog_draw.html
content/canvas/test/webgl-mochitest/test_noprog_draw.html
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| 1 <!DOCTYPE HTML> | |
| 2 <meta http-equiv="content-type" content="text/html; charset=utf-8" /> | |
| 3 | |
| 4 <title>WebGL test: Drawing with a null program</title> | |
| 5 | |
| 6 <script src="/tests/SimpleTest/SimpleTest.js"></script> | |
| 7 <link rel="stylesheet" href="/tests/SimpleTest/test.css"> | |
| 8 <script src="driver-info.js"></script> | |
| 9 <script src="webgl-util.js"></script> | |
| 10 | |
| 11 | |
| 12 <script id="vs" type="x-shader/x-vertex"> | |
| 13 | |
| 14 void main(void) { | |
| 15 gl_PointSize = 16.0; | |
| 16 gl_Position = vec4(0.0, 0.0, 0.0, 1.0); | |
| 17 } | |
| 18 | |
| 19 </script> | |
| 20 <script id="fs" type="x-shader/x-fragment"> | |
| 21 | |
| 22 precision mediump float; | |
| 23 | |
| 24 void main(void) { | |
| 25 gl_FragColor = vec4(0.0, 1.0, 0.0, 1.0); | |
| 26 } | |
| 27 | |
| 28 </script> | |
| 29 <body> | |
| 30 <canvas id="c" width="64" height="64"></canvas> | |
| 31 <script> | |
| 32 | |
| 33 // Give ourselves a scope to return early from: | |
| 34 (function() { | |
| 35 var gl = WebGLUtil.getWebGL('c'); | |
| 36 if (!gl) { | |
| 37 todo(false, 'WebGL is unavailable.'); | |
| 38 return; | |
| 39 } | |
| 40 | |
| 41 function errorFunc(str) { | |
| 42 ok(false, 'Error: ' + str); | |
| 43 } | |
| 44 WebGLUtil.setErrorFunc(errorFunc); | |
| 45 WebGLUtil.setWarningFunc(errorFunc); | |
| 46 | |
| 47 gl.disable(gl.DEPTH_TEST); | |
| 48 | |
| 49 var prog = WebGLUtil.createProgramByIds(gl, 'vs', 'fs'); | |
| 50 if (!prog) { | |
| 51 ok(false, 'Program linking should succeed.'); | |
| 52 return; | |
| 53 } | |
| 54 | |
| 55 function checkGLError(func, info, refValue) { | |
| 56 if (!refValue) | |
| 57 refValue = 0; | |
| 58 | |
| 59 var error = gl.getError(); | |
| 60 func(error == refValue, | |
| 61 '[' + info + '] gl.getError should be 0x' + refValue.toString(16) + | |
| 62 ', was 0x' + error.toString(16) + '.'); | |
| 63 } | |
| 64 | |
| 65 // Start drawing | |
| 66 checkGLError(ok, 'after setup'); | |
| 67 | |
| 68 gl.useProgram(prog); | |
| 69 gl.drawArrays(gl.POINTS, 0, 1); | |
| 70 checkGLError(ok, 'after non-null-program DrawArrays'); | |
| 71 | |
| 72 gl.useProgram(null); | |
| 73 gl.drawArrays(gl.POINTS, 0, 1); | |
| 74 checkGLError(ok, 'after null-program DrawArrays', gl.INVALID_OPERATION); | |
| 75 | |
| 76 ok(true, 'Test complete.'); | |
| 77 })(); | |
| 78 | |
| 79 </script> | |
| 80 |
