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Diffstat (limited to '')
| -rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance2/extensions/required-extensions.html | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance2/extensions/required-extensions.html b/dom/canvas/test/webgl-conf/checkout/conformance2/extensions/required-extensions.html new file mode 100644 index 0000000000..c3de2a5677 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance2/extensions/required-extensions.html @@ -0,0 +1,58 @@ +<!-- +Copyright (c) 2021 The Khronos Group Inc. +Use of this source code is governed by an MIT-style license that can be +found in the LICENSE.txt file. +--> + +<!DOCTYPE html> +<html> +<head> +<meta charset="utf-8"> +<link rel="stylesheet" href="../../resources/js-test-style.css"/> +<script src="../../js/js-test-pre.js"></script> +<script src="../../js/webgl-test-utils.js"></script> +</head> +<body> +<div id="description"></div> +<div id="console"></div> + +<script> +"use strict"; +const wtu = WebGLTestUtils; +let gl; + +description("Ensure that required extensions are supported"); + +shouldBeNonNull("gl = wtu.create3DContext(undefined, undefined, 2)"); + +const supportedExts = gl.getSupportedExtensions(); + +function hasExt(name) { + return supportedExts.indexOf(name) >= 0; +} + +const has_s3tc = hasExt('WEBGL_compressed_texture_s3tc'); +const has_s3tc_srgb = hasExt('WEBGL_compressed_texture_s3tc_srgb'); +const has_rgtc = hasExt('EXT_texture_compression_rgtc'); +const has_etc = hasExt('WEBGL_compressed_texture_etc'); + +debug(`has_s3tc: ${has_s3tc}`); +debug(`has_s3tc_srgb: ${has_s3tc_srgb}`); +debug(`has_rgtc: ${has_rgtc}`); +debug(`has_etc: ${has_etc}`); + +shouldBeTrue("((has_s3tc && has_s3tc_srgb && has_rgtc) || has_etc)"); + +// ETC1 extension must not be exposed on WebGL 2.0 contexts without ETC2. +debug(""); +const has_etc1 = hasExt('WEBGL_compressed_texture_etc1'); +debug(`has_etc1: ${has_etc1}`); +shouldBeTrue("has_etc1 == has_etc"); + +debug(""); +var successfullyParsed = true; +</script> + +<script src="../../js/js-test-post.js"></script> +</body> +</html> |