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comparison: content/canvas/test/webgl-mochitest/test_texsubimage_float.html
content/canvas/test/webgl-mochitest/test_texsubimage_float.html
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| -1:000000000000 | 0:35c33a99a7cb |
|---|---|
| 1 <!DOCTYPE HTML> | |
| 2 <title>WebGL test: bug 1003607</title> | |
| 3 <script src="/tests/SimpleTest/SimpleTest.js"></script> | |
| 4 <link rel="stylesheet" href="/tests/SimpleTest/test.css"> | |
| 5 <script src="driver-info.js"></script> | |
| 6 <script src="webgl-util.js"></script> | |
| 7 <body> | |
| 8 <canvas id="c"></canvas> | |
| 9 <script> | |
| 10 | |
| 11 // Give ourselves a scope to return early from: | |
| 12 (function() { | |
| 13 var gl = WebGLUtil.getWebGL('c'); | |
| 14 if (!gl) { | |
| 15 todo(false, 'WebGL is unavailable.'); | |
| 16 return; | |
| 17 } | |
| 18 | |
| 19 // Catch actual WebGLUtil errors, not GL errors. | |
| 20 function errorFunc(str) { | |
| 21 ok(false, 'Error: ' + str); | |
| 22 } | |
| 23 WebGLUtil.setErrorFunc(errorFunc); | |
| 24 | |
| 25 function checkGLError(func, info, reference) { | |
| 26 var error = gl.getError(); | |
| 27 var prefix = info ? ('[' + info + '] ') : ''; | |
| 28 var text = 'gl.getError should be 0x' + reference.toString(16) + | |
| 29 ', was 0x' + error.toString(16) + '.'; | |
| 30 func(error == reference, prefix + text); | |
| 31 } | |
| 32 | |
| 33 // Begin test: | |
| 34 if (!gl.getExtension('OES_texture_float')) { | |
| 35 todo(false, 'Not having this extension is fine.'); | |
| 36 return; | |
| 37 } | |
| 38 var tex = gl.createTexture(); | |
| 39 gl.bindTexture(gl.TEXTURE_2D, tex); | |
| 40 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST); | |
| 41 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST); | |
| 42 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); | |
| 43 gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); | |
| 44 checkGLError(ok, 'texture parameter setup should succeed', gl.NO_ERROR); | |
| 45 | |
| 46 // Generate data | |
| 47 var width = 2; | |
| 48 var height = 2; | |
| 49 var numChannels = 4; | |
| 50 var data = new Float32Array(width * height * numChannels); | |
| 51 for (var ii = 0; ii < data.length; ++ii) { | |
| 52 data[ii] = 10000; | |
| 53 } | |
| 54 gl.texImage2D(gl.TEXTURE_2D, 0, gl.RGBA, width, height, 0, gl.RGBA, gl.FLOAT, data); | |
| 55 checkGLError(ok, 'floating-point texture allocation should succeed', gl.NO_ERROR); | |
| 56 | |
| 57 // Try respecifying data | |
| 58 gl.texSubImage2D(gl.TEXTURE_2D, 0, 0, 0, width, height, gl.RGBA, gl.FLOAT, data); | |
| 59 checkGLError(ok, 'floating-point texture sub image should succeed', gl.NO_ERROR); | |
| 60 })(); | |
| 61 | |
| 62 </script> |
