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diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/extensions/ext-texture-compression-rgtc.html b/dom/canvas/test/webgl-conf/checkout/conformance/extensions/ext-texture-compression-rgtc.html new file mode 100644 index 0000000000..70dcf9ba7b --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/extensions/ext-texture-compression-rgtc.html @@ -0,0 +1,162 @@ +<!-- +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 EXT_texture_compression_rgtc 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 EXT_texture_compression_rgtc extension, if it is available."); + +debug(""); + +var validFormats = { + COMPRESSED_RED_RGTC1_EXT: 0x8DBB, + COMPRESSED_SIGNED_RED_RGTC1_EXT: 0x8DBC, + COMPRESSED_RED_GREEN_RGTC2_EXT: 0x8DBD, + COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT: 0x8DBE +}; + +function expectedByteLength(width, height, format) { + if (format == validFormats.COMPRESSED_RED_RGTC1_EXT || format == validFormats.COMPRESSED_SIGNED_RED_RGTC1_EXT) { + return Math.ceil(width / 4) * Math.ceil(height / 4) * 8; + } + else { + return Math.ceil(width / 4) * Math.ceil(height / 4) * 16; + } +} + +function getBlockDimensions(format) { + return {width: 4, height: 4}; +} + +var wtu = WebGLTestUtils; +var ctu = CompressedTextureUtils; +var contextVersion = wtu.getDefault3DContextVersion(); +var gl = wtu.create3DContext(); +var ext; + +var formats = null; + +function runTestExtension() { + // Test that enum values are listed correctly in supported formats and in the extension object. + ctu.testCompressedFormatsListed(gl, validFormats); + ctu.testCorrectEnumValuesInExt(ext, validFormats); + // Test that texture upload buffer size is validated correctly. + ctu.testFormatRestrictionsOnBufferSize(gl, validFormats, expectedByteLength, getBlockDimensions); + // Test TexSubImage validation on dimensions + // CompressedTexSubImage* will result in an + // INVALID_OPERATION error only if one of the following conditions occurs: + // * <width> is not a multiple of four, and <width> plus <xoffset> is not + // equal to TEXTURE_WIDTH; + // * <height> is not a multiple of four, and <height> plus <yoffset> is + // not equal to TEXTURE_HEIGHT; or + // * <xoffset> or <yoffset> is not a multiple of four. + ctu.testTexSubImageDimensions(gl, ext, validFormats, expectedByteLength, getBlockDimensions, + 16, 16, [ + { xoffset: 0, yoffset: 0, width: 4, height: 3, + expectation: gl.INVALID_OPERATION, message: "height is not a multiple of 4" }, + { xoffset: 0, yoffset: 0, width: 3, height: 4, + expectation: gl.INVALID_OPERATION, message: "width is not a multiple of 4" }, + { xoffset: 1, yoffset: 0, width: 4, height: 4, + expectation: gl.INVALID_OPERATION, message: "xoffset is not a multiple of 4" }, + { xoffset: 0, yoffset: 1, width: 4, height: 4, + expectation: gl.INVALID_OPERATION, message: "yoffset is not a multiple of 4" }, + { xoffset: 12, yoffset: 12, width: 4, height: 4, + expectation: gl.NO_ERROR, message: "is valid" }, + ]); + + // Test TexImage validation on level dimensions combinations. + // When level equals 0, width and height must be a multiple of 4. + // When level is larger than 0, this constraint doesn't apply. + + let npotExpectation, npotMessage; + if (contextVersion >= 2) { + npotExpectation = gl.NO_ERROR; + npotMessage = "valid"; + } else { + npotExpectation = gl.INVALID_VALUE; + npotMessage = "invalid"; + } + + ctu.testTexImageLevelDimensions(gl, ext, validFormats, expectedByteLength, getBlockDimensions, + [ + { level: 0, width: 4, height: 3, + expectation: gl.INVALID_OPERATION, message: "level is 0, height is not a multiple of 4" }, + { level: 0, width: 3, height: 4, + expectation: gl.INVALID_OPERATION, message: "level is 0, width is not a multiple of 4" }, + { level: 0, width: 2, height: 2, + expectation: gl.INVALID_OPERATION, message: "level is 0, width is not a multiple of 4" }, + { level: 0, width: 4, height: 4, + expectation: gl.NO_ERROR, message: "is valid" }, + { level: 1, width: 1, height: 1, + expectation: gl.INVALID_OPERATION, message: "implied base mip 2x2 is invalid" }, + { level: 1, width: 1, height: 2, + expectation: gl.INVALID_OPERATION, message: "implied base mip 2x4 is invalid" }, + { level: 1, width: 2, height: 1, + expectation: gl.INVALID_OPERATION, message: "implied base mip 4x2 is invalid" }, + { level: 1, width: 2, height: 2, + expectation: gl.NO_ERROR, message: "implied base mip 4x4 is valid" }, + { level: 2, width: 1, height: 3, + expectation: npotExpectation, message: "implied base mip 4x12 is " + npotMessage }, + ]); + + // Test that RGTC enums are not accepted by texImage2D + if (contextVersion >= 2) { + var tex = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, tex); + + gl.texImage2D(gl.TEXTURE_2D, 0, ext.COMPRESSED_RED_RGTC1_EXT, 4, 4, 0, gl.RED, gl.UNSIGNED_BYTE, null); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "COMPRESSED_RED_RGTC1_EXT fails with texImage2D"); + + gl.texImage2D(gl.TEXTURE_2D, 0, ext.COMPRESSED_SIGNED_RED_RGTC1_EXT, 4, 4, 0, gl.RED, gl.BYTE, null); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "COMPRESSED_SIGNED_RED_RGTC1_EXT fails with texImage2D"); + + gl.texImage2D(gl.TEXTURE_2D, 0, ext.COMPRESSED_RED_GREEN_RGTC2_EXT, 4, 4, 0, gl.RG, gl.UNSIGNED_BYTE, null); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "COMPRESSED_RED_GREEN_RGTC2_EXT fails with texImage2D"); + + gl.texImage2D(gl.TEXTURE_2D, 0, ext.COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT, 4, 4, 0, gl.RG, gl.BYTE, null); + wtu.glErrorShouldBe(gl, gl.INVALID_OPERATION, "COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT fails with texImage2D"); + + gl.deleteTexture(tex); + } +}; + +function runTest() { + if (!gl) { + testFailed("context does not exist"); + } else { + testPassed("context exists"); + + ctu.testCompressedFormatsUnavailableWhenExtensionDisabled(gl, validFormats, expectedByteLength, 4); + + ext = gl.getExtension("EXT_texture_compression_rgtc"); + + wtu.runExtensionSupportedTest(gl, "EXT_texture_compression_rgtc", ext !== null); + + if (ext !== null) { + runTestExtension(); + } + } +} + +runTest(); + +var successfullyParsed = true; +</script> +<script src="../../js/js-test-post.js"></script> +</body> +</html> |