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Unified Diff: conformance/extensions/webgl-compressed-texture-size-limit.html

Issue 41893003: Add ToT WebGL conformance tests : part 12 (last one) (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/extensions/webgl-compressed-texture-size-limit.html
===================================================================
--- conformance/extensions/webgl-compressed-texture-size-limit.html (revision 0)
+++ conformance/extensions/webgl-compressed-texture-size-limit.html (working copy)
@@ -0,0 +1,190 @@
+<!--
+
+/*
+** Copyright (c) 2013 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 compressed texture size limit conformance 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="example" width="32" height="32" style="width: 40px; height: 40px;"></canvas>
+<div id="description"></div>
+<div id="console"></div>
+<script>
+"use strict";
+description("Checks size limit of the webgl compressed textures")
+var canvas;
+
+function numLevelsFromSize(size) {
+ var levels = 0;
+ while ((size >> levels) > 0) {
+ ++levels;
+ }
+ return levels;
+}
+
+// More formats can be added here when more texture compression extensions is enabled in WebGL.
+var validFormats = {
+ COMPRESSED_RGB_S3TC_DXT1_EXT : 0x83F0,
+ COMPRESSED_RGBA_S3TC_DXT1_EXT : 0x83F1,
+ COMPRESSED_RGBA_S3TC_DXT3_EXT : 0x83F2,
+ COMPRESSED_RGBA_S3TC_DXT5_EXT : 0x83F3,
+};
+
+// format specific restrictions for COMPRESSED_RGB_S3TC_DXT1_EXT and COMPRESSED_RGBA_S3TC_DXT1_EXT
+// on the byteLength of the ArrayBufferView, pixels
+function func1 (width, height)
+{
+ return Math.floor((width + 3) / 4) * Math.floor((height + 3) / 4) * 8;
+}
+
+// format specific restrictions for COMPRESSED_RGBA_S3TC_DXT3_EXT and COMPRESSED_RGBA_S3TC_DXT5_EXT
+// on the byteLength of the ArrayBufferView, pixels
+function func2 (width, height)
+{
+ return Math.floor((width + 3) / 4) * Math.floor((height + 3) / 4) * 16;
+}
+
+var wtu = WebGLTestUtils;
+var gl = wtu.create3DContext("example");
+var tests = [
+ // More tests can be added here when more texture compression extensions is enabled in WebGL.
+ { extension: "WEBGL_compressed_texture_s3tc", format: validFormats.COMPRESSED_RGB_S3TC_DXT1_EXT, dataType: Uint8Array, func: func1},
+ { extension: "WEBGL_compressed_texture_s3tc", format: validFormats.COMPRESSED_RGBA_S3TC_DXT1_EXT, dataType: Uint8Array, func: func1},
+ { extension: "WEBGL_compressed_texture_s3tc", format: validFormats.COMPRESSED_RGBA_S3TC_DXT3_EXT, dataType: Uint8Array, func: func2},
+ { extension: "WEBGL_compressed_texture_s3tc", format: validFormats.COMPRESSED_RGBA_S3TC_DXT5_EXT, dataType: Uint8Array, func: func2},
+];
+
+// Note: We expressly only use 2 textures because first a texture will be defined
+// as using all mips of 1 format, then for a moment it will have mixed formats which
+// may uncover bugs.
+var targets = [
+ { target: gl.TEXTURE_2D,
+ maxSize: gl.getParameter(gl.MAX_TEXTURE_SIZE),
+ tex: gl.createTexture(),
+ targets: [gl.TEXTURE_2D]
+ },
+ { target: gl.TEXTURE_CUBE_MAP,
+ maxSize: gl.getParameter(gl.MAX_CUBE_MAP_TEXTURE_SIZE),
+ tex: gl.createTexture(),
+ targets: [
+ gl.TEXTURE_CUBE_MAP_POSITIVE_X,
+ gl.TEXTURE_CUBE_MAP_NEGATIVE_X,
+ gl.TEXTURE_CUBE_MAP_POSITIVE_Y,
+ gl.TEXTURE_CUBE_MAP_NEGATIVE_Y,
+ gl.TEXTURE_CUBE_MAP_POSITIVE_Z,
+ gl.TEXTURE_CUBE_MAP_NEGATIVE_Z
+ ]
+ }
+];
+
+gl.pixelStorei(gl.UNPACK_ALIGNMENT, 1);
+
+var trg = 0;
+var tt = 0;
+runNextTest();
+
+function runNextTest() {
+ var t = targets[trg];
+
+ if (tt == 0) {
+ var tex = t.tex;
+ gl.bindTexture(t.target, tex);
+
+ debug("");
+ debug("max size for " + wtu.glEnumToString(gl, t.target) + ": " + t.maxSize);
+ var numLevels = numLevelsFromSize(t.maxSize);
+ debug("num levels " + numLevels);
+ }
+
+ var test = tests[tt];
+ testFormatType(t, test);
+ ++tt;
+ if (tt == tests.length) {
+ tt = 0;
+ ++trg;
+ if (trg == targets.length) {
+ finishTest();
+ return;
+ }
+ }
+ wtu.waitForComposite(gl, runNextTest)
+}
+
+function testFormatType(t, test) {
+ debug("");
+
+ // Query the extension and store globally so shouldBe can access it
+ var ext = wtu.getExtensionWithKnownPrefixes(gl, test.extension);
+ if (ext) {
+ testPassed("Successfully enabled " + test.extension + " extension");
+
+ for (var j = 0; j < t.targets.length; ++j) {
+ var target = t.targets[j];
+ debug("");
+ debug(wtu.glEnumToString(gl, target));
+ var numLevels = numLevelsFromSize(t.maxSize);
+
+ // positive test
+ for (var i = 0, size = t.maxSize; i < numLevels; i++, size /= 2) {
+ var pixels = new test.dataType(test.func(size, size));
+ gl.compressedTexImage2D(target, i, test.format, size, size, 0, pixels);
+ glErrorShouldBe(gl, gl.NO_ERROR, "uploading compressed texture should generate NO_ERROR."
+ + "level is " + i + ", size is " + size + "x" + size);
+ }
+
+ // out of bound test
+ // width or height out of bound
+ var pixelsNegativeTest1 = new test.dataType(test.func(t.maxSize * 2, t.maxSize * 2));
+ gl.compressedTexImage2D(target, 0, test.format, t.maxSize * 2, t.maxSize * 2, 0, pixelsNegativeTest1);
+ glErrorShouldBe(gl, gl.INVALID_VALUE, "width or height out of bound: should generate INVALID_VALUE."
+ + " level is 0, size is " + (t.maxSize * 2) + "x" + (t.maxSize * 2));
+ // level out of bound
+ var pixelsNegativeTest2 = new test.dataType(test.func(256, 256));
+ gl.compressedTexImage2D(target, numLevels, test.format, 256, 256, 0, pixelsNegativeTest2);
+ glErrorShouldBe(gl, gl.INVALID_VALUE, "level out of bound: should generate INVALID_VALUE."
+ + " level is " + numLevels + ", size is 256x256");
+ //width or height out of bound for specified level
+ gl.compressedTexImage2D(target, numLevels - 1, test.format, 256, 256, 0, pixelsNegativeTest2);
+ glErrorShouldBe(gl, gl.INVALID_VALUE, "width or height out of bound for specified level: should generate INVALID_VALUE."
+ + " level is " + (numLevels - 1) + ", size is 256x256");
+ }
+ }
+ else
+ testPassed("No " + test.extension + " extension support -- this is legal");
+}
+
+var successfullyParsed = true;
+</script>
+</body>
+</html>
+
Property changes on: conformance/extensions/webgl-compressed-texture-size-limit.html
___________________________________________________________________
Added: svn:eol-style
## -0,0 +1 ##
+LF
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