third_party/webgl/sdk/tests/conformance/misc/shader-precision-format.html - Issue 9373009: Check in webgl conformance tests r16844 from khronos.

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Issue 9373009: Check in webgl conformance tests r16844 from khronos. (Closed) Base URL: svn://chrome-svn/chrome/trunk/deps/

Patch Set: Created 8 years, 10 months ago

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	1 <!--

	2 Copyright (c) 2011 Mozilla Foundation. All rights reserved.

	3 Use of this source code is governed by a BSD-style license that can be

	4 found in the LICENSE file.

	5 -->

	6 <!DOCTYPE html>

	7 <html>

	8 <head>

	9 <meta charset="utf-8">

	10 <title>WebGL shader precision format test.</title>

	11 <link rel="stylesheet" href="../../resources/js-test-style.css"/>

	12 <script src="../../resources/js-test-pre.js"></script>

	13 <script src="../resources/webgl-test.js"> </script>

	14 <script src="../resources/webgl-test-utils.js"> </script>

	15 </head>

	16 <body>

	17 <canvas id="canvas" width="2" height="2" style="width: 40px; height: 40px;"></ca nvas>

	18 <div id="description"></div>

	19 <div id="console"></div>

	20 <script>

	21 var wtu = WebGLTestUtils;

	22 description(document.title);

	23 debug("Tests that WebGLShaderPrecisionFormat class and getShaderPrecisionFormat work.");

	24 debug("");

	25 var gl = create3DContext(document.getElementById("canvas"));

	26

	27 function verifyShaderPrecisionFormat(shadertype, precisiontype) {

	28 shouldBeTrue('gl.getShaderPrecisionFormat(' + shadertype + ', ' +

	29 precisiontype + ') instanceof WebGLShaderPrecisionFormat');

	30 }

	31

	32 if (gl.getShaderPrecisionFormat == null \|\| typeof gl.getShaderPrecisionFormat != 'function') {

	33 debug("getShaderPrecisionFormat() function not found.");

	34 } else {

	35 debug("");

	36 debug("Test that getShaderPrecisionFormat returns a WebGLShaderPrecisionForm at object.");

	37 debug("");

	38

	39 verifyShaderPrecisionFormat('gl.VERTEX_SHADER', 'gl.LOW_FLOAT');

	40 verifyShaderPrecisionFormat('gl.VERTEX_SHADER', 'gl.MEDIUM_FLOAT');

	41 verifyShaderPrecisionFormat('gl.VERTEX_SHADER', 'gl.HIGH_FLOAT');

	42 verifyShaderPrecisionFormat('gl.VERTEX_SHADER', 'gl.LOW_INT');

	43 verifyShaderPrecisionFormat('gl.VERTEX_SHADER', 'gl.MEDIUM_INT');

	44 verifyShaderPrecisionFormat('gl.VERTEX_SHADER', 'gl.HIGH_INT');

	45 verifyShaderPrecisionFormat('gl.FRAGMENT_SHADER', 'gl.LOW_FLOAT');

	46 verifyShaderPrecisionFormat('gl.FRAGMENT_SHADER', 'gl.MEDIUM_FLOAT');

	47 verifyShaderPrecisionFormat('gl.FRAGMENT_SHADER', 'gl.HIGH_FLOAT');

	48 verifyShaderPrecisionFormat('gl.FRAGMENT_SHADER', 'gl.LOW_INT');

	49 verifyShaderPrecisionFormat('gl.FRAGMENT_SHADER', 'gl.MEDIUM_INT');

	50 verifyShaderPrecisionFormat('gl.FRAGMENT_SHADER', 'gl.HIGH_INT');

	51

	52 debug("");

	53 debug("Test that getShaderPrecisionFormat throws an error with invalid param eters.");

	54 debug("");

	55

	56 shouldGenerateGLError(gl, gl.INVALID_ENUM, 'gl.getShaderPrecisionFormat(gl.H IGH_INT, gl.VERTEX_SHADER)');

	57

	58 debug("");

	59 debug("Test that WebGLShaderPrecisionFormat values are sensible.");

	60 debug("");

	61

	62 var shaderPrecisionFormat = gl.getShaderPrecisionFormat(gl.VERTEX_SHADER, gl .LOW_FLOAT);

	63 shouldBeTrue('shaderPrecisionFormat.rangeMin >= 0 && shaderPrecisionFormat.r angeMin <= 128');

	64 shouldBeTrue('shaderPrecisionFormat.rangeMax >= 0 && shaderPrecisionFormat.r angeMax <= 128');

	65 shouldBeTrue('shaderPrecisionFormat.precision >= 0 && shaderPrecisionFormat. precision <= 128');

	66

	67 debug("");

	68 debug("Test that getShaderPrecisionFormat returns the same thing every call. ");

	69 debug("");

	70

	71 var shaderPrecisionFormat2 = gl.getShaderPrecisionFormat(gl.VERTEX_SHADER, g l.LOW_FLOAT);

	72 shouldBeTrue('shaderPrecisionFormat.rangeMin == shaderPrecisionFormat2.range Min');

	73 shouldBeTrue('shaderPrecisionFormat.rangeMax == shaderPrecisionFormat2.range Max');

	74 shouldBeTrue('shaderPrecisionFormat.precision == shaderPrecisionFormat2.prec ision');

	75 }

	76

	77 finishTest();

	78 </script>

	79

	80 </body>

	81 </html>

	82

	83

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