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-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/extensions/webgl-compressed-texture-etc.html | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/extensions/webgl-compressed-texture-etc.html b/dom/canvas/test/webgl-conf/checkout/conformance/extensions/webgl-compressed-texture-etc.html new file mode 100644 index 0000000000..8a85239ff9 --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/extensions/webgl-compressed-texture-etc.html @@ -0,0 +1,126 @@ +<!-- +Copyright (c) 2019 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"> +<title>WebGL WEBGL_compressed_texture_etc Conformance Tests</title> +<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> +<script src="../../js/tests/compressed-texture-utils.js"></script> +</head> +<body> +<div id="description"></div> +<div id="console"></div> +<script> +"use strict"; +description("This test verifies the functionality of the WEBGL_compressed_texture_etc extension, if it is available."); + +debug(""); + +var validFormats = { + COMPRESSED_R11_EAC : 0x9270, + COMPRESSED_SIGNED_R11_EAC : 0x9271, + COMPRESSED_RG11_EAC : 0x9272, + COMPRESSED_SIGNED_RG11_EAC : 0x9273, + COMPRESSED_RGB8_ETC2 : 0x9274, + COMPRESSED_SRGB8_ETC2 : 0x9275, + COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2 : 0x9276, + COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2 : 0x9277, + COMPRESSED_RGBA8_ETC2_EAC : 0x9278, + COMPRESSED_SRGB8_ALPHA8_ETC2_EAC : 0x9279 +}; + +function expectedByteLength(width, height, format) { + var blockSizeInBytes = 8; + + var largerBlockFormats = [ + validFormats.COMPRESSED_RG11_EAC, + validFormats.COMPRESSED_SIGNED_RG11_EAC, + validFormats.COMPRESSED_RGBA8_ETC2_EAC, + validFormats.COMPRESSED_SRGB8_ALPHA8_ETC2_EAC]; + + if (largerBlockFormats.indexOf(format) >= 0) { + blockSizeInBytes = 16; + } + + return Math.floor((width + 3) / 4) * Math.floor((height + 3) / 4) * blockSizeInBytes; +} + +function getBlockDimensions(format) { + return {width: 4, height: 4}; +} + +var wtu = WebGLTestUtils; +var ctu = CompressedTextureUtils; +var contextVersion = wtu.getDefault3DContextVersion(); +var gl = wtu.create3DContext(); +var WEBGL_compressed_texture_etc; + +var formats = null; + +function runTest() { + if (!gl) { + testFailed("context does not exist"); + } else { + testPassed("context exists"); + + ctu.testCompressedFormatsUnavailableWhenExtensionDisabled(gl, validFormats, expectedByteLength, 4); + + WEBGL_compressed_texture_etc = gl.getExtension("WEBGL_compressed_texture_etc"); + + wtu.runExtensionSupportedTest(gl, "WEBGL_compressed_texture_etc", WEBGL_compressed_texture_etc !== null); + + var isPositive = WEBGL_compressed_texture_etc !== null; + + if (isPositive) { + // Test that enum values are listed correctly in supported formats and in the extension object. + ctu.testCompressedFormatsListed(gl, validFormats); + ctu.testCorrectEnumValuesInExt(WEBGL_compressed_texture_etc, validFormats); + // Test that texture upload buffer size is validated correctly. + ctu.testFormatRestrictionsOnBufferSize(gl, validFormats, expectedByteLength, getBlockDimensions); + + var tex = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, tex); + + for (var name in validFormats) { + if (validFormats.hasOwnProperty(name)) { + var format = validFormats[name]; + wtu.shouldGenerateGLError(gl, gl.NO_ERROR, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, " + format + ", 4, 4, 0, new Uint8Array(" + expectedByteLength(4, 4, format) + "))"); + wtu.shouldGenerateGLError(gl, gl.NO_ERROR, "gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 4, 4, " + format + ", new Uint8Array(" + expectedByteLength(4, 4, format) + "))"); + } + } + } + + var tex2 = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, tex2); + + debug(""); + if (contextVersion >= 2) { + var expectedError = isPositive ? gl.INVALID_OPERATION: [gl.INVALID_ENUM, gl.INVALID_OPERATION]; + // `null` coerces into `0` for the PBO entrypoint, yielding INVALID_OP due to no PBO bound. + wtu.shouldGenerateGLError(gl, expectedError, "gl.compressedTexImage2D(gl.TEXTURE_2D, 0, validFormats.COMPRESSED_R11_EAC, 4, 4, 0, 0, null)"); + wtu.shouldGenerateGLError(gl, expectedError, "gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 0, 0, validFormats.COMPRESSED_R11_EAC, 0, null)"); + wtu.shouldGenerateGLError(gl, expectedError, "gl.compressedTexImage3D(gl.TEXTURE_2D_ARRAY, 0, validFormats.COMPRESSED_R11_EAC, 4, 4, 4, 0, 0, null)"); + wtu.shouldGenerateGLError(gl, expectedError, "gl.compressedTexSubImage3D(gl.TEXTURE_2D_ARRAY, 0, 0, 0, 0, 0, 0, 0, validFormats.COMPRESSED_R11_EAC, 0, null)"); + } else { + shouldThrow("gl.compressedTexImage2D(gl.TEXTURE_2D, 0, validFormats.COMPRESSED_R11_EAC, 4, 4, 0, null)"); + shouldThrow("gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, 0, 0, validFormats.COMPRESSED_R11_EAC, null)"); + shouldThrow("gl.compressedTexImage3D(gl.TEXTURE_2D_ARRAY, 0, validFormats.COMPRESSED_R11_EAC, 4, 4, 4, 0, null)"); + shouldThrow("gl.compressedTexSubImage3D(gl.TEXTURE_2D_ARRAY, 0, 0, 0, 0, 0, 0, 0, validFormats.COMPRESSED_R11_EAC, null)"); + } + } +} + +runTest(); + +var successfullyParsed = true; +</script> +<script src="../../js/js-test-post.js"></script> +</body> +</html> |