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Unified Diff: conformance/misc/shader-precision-format.html

Issue 41503006: Add ToT WebGL conformance tests : part 8 (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/webgl/sdk/tests/
Patch Set: Created 7 years, 2 months ago
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Index: conformance/misc/shader-precision-format.html
===================================================================
--- conformance/misc/shader-precision-format.html (revision 0)
+++ conformance/misc/shader-precision-format.html (working copy)
@@ -0,0 +1,159 @@
+<!--
+
+/*
+** Copyright (c) 2012 The Khronos Group Inc.
+**
+** Permission is hereby granted, free of charge, to any person obtaining a
+** copy of this software and/or associated documentation files (the
+** "Materials"), to deal in the Materials without restriction, including
+** without limitation the rights to use, copy, modify, merge, publish,
+** distribute, sublicense, and/or sell copies of the Materials, and to
+** permit persons to whom the Materials are furnished to do so, subject to
+** the following conditions:
+**
+** The above copyright notice and this permission notice shall be included
+** in all copies or substantial portions of the Materials.
+**
+** THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+** MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+*/
+
+-->
+<!DOCTYPE html>
+<html>
+<head>
+<meta charset="utf-8">
+<title>WebGL shader precision format test.</title>
+<link rel="stylesheet" href="../../resources/js-test-style.css"/>
+<script src="../../resources/js-test-pre.js"></script>
+<script src="../resources/webgl-test.js"> </script>
+<script src="../resources/webgl-test-utils.js"> </script>
+</head>
+<body>
+<canvas id="canvas" width="2" height="2" style="width: 40px; height: 40px;"></canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script>
+"use strict";
+var wtu = WebGLTestUtils;
+description(document.title);
+debug("Tests that WebGLShaderPrecisionFormat class and getShaderPrecisionFormat work.");
+debug("");
+var gl = wtu.create3DContext("canvas");
+
+function verifyShaderPrecisionFormat(shadertype, precisiontype) {
+ shouldBeTrue('gl.getShaderPrecisionFormat(' + shadertype + ', ' +
+ precisiontype + ') instanceof WebGLShaderPrecisionFormat');
+}
+
+debug("");
+debug("Test that getShaderPrecisionFormat returns a WebGLShaderPrecisionFormat object.");
+debug("");
+
+verifyShaderPrecisionFormat('gl.VERTEX_SHADER', 'gl.LOW_FLOAT');
+verifyShaderPrecisionFormat('gl.VERTEX_SHADER', 'gl.MEDIUM_FLOAT');
+verifyShaderPrecisionFormat('gl.VERTEX_SHADER', 'gl.HIGH_FLOAT');
+verifyShaderPrecisionFormat('gl.VERTEX_SHADER', 'gl.LOW_INT');
+verifyShaderPrecisionFormat('gl.VERTEX_SHADER', 'gl.MEDIUM_INT');
+verifyShaderPrecisionFormat('gl.VERTEX_SHADER', 'gl.HIGH_INT');
+verifyShaderPrecisionFormat('gl.FRAGMENT_SHADER', 'gl.LOW_FLOAT');
+verifyShaderPrecisionFormat('gl.FRAGMENT_SHADER', 'gl.MEDIUM_FLOAT');
+verifyShaderPrecisionFormat('gl.FRAGMENT_SHADER', 'gl.HIGH_FLOAT');
+verifyShaderPrecisionFormat('gl.FRAGMENT_SHADER', 'gl.LOW_INT');
+verifyShaderPrecisionFormat('gl.FRAGMENT_SHADER', 'gl.MEDIUM_INT');
+verifyShaderPrecisionFormat('gl.FRAGMENT_SHADER', 'gl.HIGH_INT');
+
+debug("");
+debug("Test that getShaderPrecisionFormat throws an error with invalid parameters.");
+debug("");
+
+shouldGenerateGLError(gl, gl.INVALID_ENUM, 'gl.getShaderPrecisionFormat(gl.HIGH_INT, gl.VERTEX_SHADER)');
+
+debug("");
+debug("Test that WebGLShaderPrecisionFormat values are sensible.");
+debug("");
+
+// The minimum values are from OpenGL ES Shading Language spec, section 4.5.
+
+var shaderPrecisionFormat = gl.getShaderPrecisionFormat(gl.VERTEX_SHADER, gl.LOW_FLOAT);
+shouldBeTrue('shaderPrecisionFormat.rangeMin >= 1');
+shouldBeTrue('shaderPrecisionFormat.rangeMax >= 1');
+shouldBeTrue('shaderPrecisionFormat.precision >= 8');
+
+shaderPrecisionFormat = gl.getShaderPrecisionFormat(gl.VERTEX_SHADER, gl.MEDIUM_FLOAT);
+shouldBeTrue('shaderPrecisionFormat.rangeMin >= 14');
+shouldBeTrue('shaderPrecisionFormat.rangeMax >= 14');
+shouldBeTrue('shaderPrecisionFormat.precision >= 10');
+
+shaderPrecisionFormat = gl.getShaderPrecisionFormat(gl.VERTEX_SHADER, gl.HIGH_FLOAT);
+shouldBeTrue('shaderPrecisionFormat.rangeMin >= 62');
+shouldBeTrue('shaderPrecisionFormat.rangeMax >= 62');
+shouldBeTrue('shaderPrecisionFormat.precision >= 16');
+
+shaderPrecisionFormat = gl.getShaderPrecisionFormat(gl.VERTEX_SHADER, gl.LOW_INT);
+shouldBeTrue('shaderPrecisionFormat.rangeMin >= 8');
+shouldBeTrue('shaderPrecisionFormat.rangeMax >= 8');
+shouldBeTrue('shaderPrecisionFormat.precision == 0');
+
+shaderPrecisionFormat = gl.getShaderPrecisionFormat(gl.VERTEX_SHADER, gl.MEDIUM_INT);
+shouldBeTrue('shaderPrecisionFormat.rangeMin >= 10');
+shouldBeTrue('shaderPrecisionFormat.rangeMax >= 10');
+shouldBeTrue('shaderPrecisionFormat.precision == 0');
+
+shaderPrecisionFormat = gl.getShaderPrecisionFormat(gl.VERTEX_SHADER, gl.HIGH_INT);
+shouldBeTrue('shaderPrecisionFormat.rangeMin >= 16');
+shouldBeTrue('shaderPrecisionFormat.rangeMax >= 16');
+shouldBeTrue('shaderPrecisionFormat.precision == 0');
+
+var shaderPrecisionFormat = gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.LOW_FLOAT);
+shouldBeTrue('shaderPrecisionFormat.rangeMin >= 1');
+shouldBeTrue('shaderPrecisionFormat.rangeMax >= 1');
+shouldBeTrue('shaderPrecisionFormat.precision >= 8');
+
+shaderPrecisionFormat = gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.MEDIUM_FLOAT);
+shouldBeTrue('shaderPrecisionFormat.rangeMin >= 14');
+shouldBeTrue('shaderPrecisionFormat.rangeMax >= 14');
+shouldBeTrue('shaderPrecisionFormat.precision >= 10');
+
+shaderPrecisionFormat = gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.LOW_INT);
+shouldBeTrue('shaderPrecisionFormat.rangeMin >= 8');
+shouldBeTrue('shaderPrecisionFormat.rangeMax >= 8');
+shouldBeTrue('shaderPrecisionFormat.precision == 0');
+
+shaderPrecisionFormat = gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.MEDIUM_INT);
+shouldBeTrue('shaderPrecisionFormat.rangeMin >= 10');
+shouldBeTrue('shaderPrecisionFormat.rangeMax >= 10');
+shouldBeTrue('shaderPrecisionFormat.precision == 0');
+
+debug("");
+debug("Test optional highp support in fragment shaders.");
+debug("");
+
+shaderPrecisionFormat = gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.HIGH_FLOAT);
+shouldBeTrue('(shaderPrecisionFormat.rangeMin == 0 && shaderPrecisionFormat.rangeMax == 0 && shaderPrecisionFormat.precision == 0) || (shaderPrecisionFormat.rangeMin >= 62 && shaderPrecisionFormat.rangeMax >= 62 && shaderPrecisionFormat.precision >= 16)');
+
+shaderPrecisionFormat = gl.getShaderPrecisionFormat(gl.FRAGMENT_SHADER, gl.HIGH_INT);
+shouldBeTrue('(shaderPrecisionFormat.rangeMin == 0 && shaderPrecisionFormat.rangeMax == 0 && shaderPrecisionFormat.precision == 0) || (shaderPrecisionFormat.rangeMin >= 16 && shaderPrecisionFormat.rangeMax >= 16 && shaderPrecisionFormat.precision == 0)');
+
+debug("");
+debug("Test that getShaderPrecisionFormat returns the same thing every call.");
+debug("");
+
+shaderPrecisionFormat = gl.getShaderPrecisionFormat(gl.VERTEX_SHADER, gl.LOW_FLOAT);
+var shaderPrecisionFormat2 = gl.getShaderPrecisionFormat(gl.VERTEX_SHADER, gl.LOW_FLOAT);
+shouldBeTrue('shaderPrecisionFormat.rangeMin == shaderPrecisionFormat2.rangeMin');
+shouldBeTrue('shaderPrecisionFormat.rangeMax == shaderPrecisionFormat2.rangeMax');
+shouldBeTrue('shaderPrecisionFormat.precision == shaderPrecisionFormat2.precision');
+
+finishTest();
+</script>
+
+</body>
+</html>
+
+
Property changes on: conformance/misc/shader-precision-format.html
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Added: svn:eol-style
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+LF
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