third_party/webgl/sdk/tests/conformance/glsl/misc/uniform-location-length-limits.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 <!DOCTYPE html>

	2 <html>

	3 <head>

	4 <meta charset="utf-8">

	5 <title>WebGL uniform location length tests</title>

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

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

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

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

	10 </head>

	11 <body>

	12 <canvas id="example" width="50" height="50">

	13 There is supposed to be an example drawing here, but it's not important.

	14 </canvas>

	15 <div id="description">Verify limits on the lengths of uniform locations per WebG L spec, "Maximum Uniform and Attribute Location Lengths".</div>

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

	17 <script id="goodVertexShader" type="x-shader/x-vertex">

	18 // A vertex shader where the needed uniform location is exactly 256 characters.

	19 struct Nesting2 {

	20 vec4 identifier62CharactersLong_01234567890123456789012345678901234;

	21 };

	22

	23 struct Nesting1 {

	24 Nesting2 identifier64CharactersLong_0123456789012345678901234567890123456;

	25 };

	26

	27 uniform Nesting1 identifier128CharactersLong_01234567890123456789012345678901234 56789012345678901234567890123456789012345678901234567890123456789;

	28

	29 void main() {

	30 gl_Position = identifier128CharactersLong_0123456789012345678901234567890123 456789012345678901234567890123456789012345678901234567890123456789.identifier64C haractersLong_0123456789012345678901234567890123456.identifier62CharactersLong_0 1234567890123456789012345678901234;

	31 }

	32 </script>

	33 <script id="badVertexShader" type="x-shader/x-vertex">

	34 // A vertex shader where the needed uniform location is 257 characters.

	35 struct Nesting2 {

	36 vec4 identifier63CharactersLong_012345678901234567890123456789012345;

	37 };

	38

	39 struct Nesting1 {

	40 Nesting2 identifier64CharactersLong_0123456789012345678901234567890123456;

	41 };

	42

	43 uniform Nesting1 identifier128CharactersLong_01234567890123456789012345678901234 56789012345678901234567890123456789012345678901234567890123456789;

	44

	45 void main() {

	46 Nesting2 temp = identifier128CharactersLong_01234567890123456789012345678901 23456789012345678901234567890123456789012345678901234567890123456789.identifier6 4CharactersLong_0123456789012345678901234567890123456;

	47 gl_Position = temp.identifier63CharactersLong_012345678901234567890123456789 012345;

	48 }

	49 </script>

	50 <script id="fragmentShader" type="x-shader/x-fragment">

	51 precision mediump float;

	52

	53 void main() {

	54 gl_FragColor = vec4(1.0, 0.0, 0.0, 1.0);

	55 }

	56 </script>

	57 <script>

	58 if (window.initNonKhronosFramework) {

	59 window.initNonKhronosFramework(false);

	60 }

	61

	62 var wtu = WebGLTestUtils;

	63 var gl = wtu.create3DContext(document.getElementById("example"));

	64

	65 debug("Test uniform location underneath the length limit");

	66 var program = wtu.loadProgramFromScript(gl, "goodVertexShader", "fragmentShader" );

	67 shouldBe('gl.getProgramParameter(program, gl.LINK_STATUS)', 'true');

	68 var uniformLoc = gl.getUniformLocation(program, "identifier128CharactersLong_012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789.identifier64CharactersLong_01234567890123456789012345678901234 56.identifier62CharactersLong_01234567890123456789012345678901234");

	69 shouldBeNonNull('uniformLoc');

	70 wtu.glErrorShouldBe(gl, gl.NONE);

	71

	72 debug("Test uniform location over the length limit");

	73 program = wtu.loadProgramFromScript(gl, "badVertexShader", "fragmentShader");

	74 wtu.glErrorShouldBe(gl, gl.NONE);

	75 shouldBe('gl.getProgramParameter(program, gl.LINK_STATUS)', 'true');

	76 var uniformLoc = gl.getUniformLocation(program, "identifier128CharactersLong_012 34567890123456789012345678901234567890123456789012345678901234567890123456789012 34567890123456789.identifier64CharactersLong_01234567890123456789012345678901234 56.identifier63CharactersLong_012345678901234567890123456789012345");

	77 wtu.glErrorShouldBe(gl, gl.INVALID_VALUE);

	78 shouldBeNull('uniformLoc');

	79

	80 successfullyParsed = true;

	81 </script>

	82 <script src="../../../resources/js-test-post.js"></script>

	83 </body>

	84 </html>

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