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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/test/webgl-conf/checkout/conformance/textures/misc/texture-attachment-formats.html | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/test/webgl-conf/checkout/conformance/textures/misc/texture-attachment-formats.html')
-rw-r--r-- | dom/canvas/test/webgl-conf/checkout/conformance/textures/misc/texture-attachment-formats.html | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/dom/canvas/test/webgl-conf/checkout/conformance/textures/misc/texture-attachment-formats.html b/dom/canvas/test/webgl-conf/checkout/conformance/textures/misc/texture-attachment-formats.html new file mode 100644 index 0000000000..b569ca061d --- /dev/null +++ b/dom/canvas/test/webgl-conf/checkout/conformance/textures/misc/texture-attachment-formats.html @@ -0,0 +1,176 @@ +<!-- +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 Texture Attachment Format 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> +</head> +<body> +<div id="description"></div> +<div id="console"></div> +<canvas id="canvas" width="2" height="2" style="width: 100px; height:100px; border: 1px solid black;"> </canvas> +<script> +"use strict"; +description(); + +var wtu = WebGLTestUtils; +var gl = wtu.create3DContext("canvas"); +if (!gl) { + testFailed("context does not exist"); +} else { + testPassed("context exists"); + + debug(""); + debug("Checking texture formats."); + + var numValidFormats = 0; + var clearColor = [0.25, 0.5, 0.75, 0.25]; + + var floatToBits = function(value, bits) { + var range = (1 << bits) - 1; + var result = 0; + if (range > 0) { + result = Math.floor(Math.floor(value * range) * 255 / range); + } + + //debug("v = " + value + ", bits = " + bits + ", range = " + range + ", result = " + result); + return result; + } + + var testFormat = function(info) { + debug(""); + debug("testing: " + info.format + ", " + info.type); + + var format = gl[info.format]; + var type = gl[info.type]; + + gl.texImage2D(gl.TEXTURE_2D, + 0, // level + format, // internalFormat + 16, // width + 16, // height + 0, // border + format, // format + type, // type + null); // data + var fbStatus = gl.checkFramebufferStatus(gl.FRAMEBUFFER); + debug(wtu.glEnumToString(gl, fbStatus)); + if (fbStatus != gl.FRAMEBUFFER_COMPLETE) { + debug("format unsupported"); + if (info.mustBeFramebufferComplete) { + testFailed(info.format + " must be FRAMEBUFFER_COMPLETE"); + } + return; + } + + ++numValidFormats; + + var startExpected = [0, 0, 0, info.channels[3] < 0 ? 255 : 0]; + + var expected = []; + var tolerance = []; + for (var ii = 0; ii < 4; ++ii) { + var color = 0; + var channel = info.channels[ii]; + if (channel < 0) { + color = ii < 3 ? 0 : 255 + } else { + color = floatToBits(clearColor[channel], info.bits[ii]); + } + expected.push(color); + tolerance.push(channel < 0 ? 0 : (1 + (1 << (8 - info.bits[ii])))); + } + + wtu.checkCanvas(gl, startExpected, "should be " + startExpected); + gl.clear(gl.COLOR_BUFFER_BIT); + wtu.checkCanvas(gl, expected, "should be " + expected + " with tolerance " + tolerance, tolerance); + } + + var validFormats = [ + { format: 'RGBA', + type: 'UNSIGNED_BYTE', + channels: [0, 1, 2, 3], + bits: [8, 8, 8, 8], + mustBeFramebufferComplete: true + }, + { format: 'ALPHA', + type: 'UNSIGNED_BYTE', + channels: [-1, -1, -1, 3], + bits: [0, 0, 0, 8], + mustBeFramebufferComplete: false + }, + { format: 'RGB', + type: 'UNSIGNED_BYTE', + channels: [0, 1, 2, -1], + bits: [8, 8, 8, 0], + mustBeFramebufferComplete: false + }, + { format: 'RGB', + type: 'UNSIGNED_SHORT_5_6_5', + channels: [0, 1, 2, -1], + bits: [5, 6, 5, 0], + mustBeFramebufferComplete: false + }, + { format: 'RGBA', + type: 'UNSIGNED_SHORT_5_5_5_1', + channels: [0, 1, 2, 3], + bits: [5, 5, 5, 1], + mustBeFramebufferComplete: false + }, + { format: 'RGBA', + type: 'UNSIGNED_SHORT_4_4_4_4', + channels: [0, 1, 2, 3], + bits: [4, 4, 4, 4], + mustBeFramebufferComplete: false + }, + { format: 'LUMINANCE', + type: 'UNSIGNED_BYTE', + channels: [0, 0, 0, -1], + bits: [8, 8, 8, -1], + mustBeFramebufferComplete: false + }, + { format: 'LUMINANCE_ALPHA', + type: 'UNSIGNED_BYTE', + channels: [0, 0, 0, 3], + bits: [8, 8, 8, 8], + mustBeFramebufferComplete: false + } + ]; + + gl.clearColor(clearColor[0], clearColor[1], clearColor[2], clearColor[3]); + var fbo = gl.createFramebuffer(); + gl.bindFramebuffer(gl.FRAMEBUFFER, fbo); + var tex = gl.createTexture(); + gl.bindTexture(gl.TEXTURE_2D, tex); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR); + gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR); + gl.framebufferTexture2D( + gl.FRAMEBUFFER, gl.COLOR_ATTACHMENT0, gl.TEXTURE_2D, tex, 0); + + for (var ii = 0; ii < validFormats.length; ++ii) { + var info = validFormats[ii]; + testFormat(info); + } + + debug(""); + shouldBeTrue("numValidFormats > 0"); + wtu.glErrorShouldBe(gl, gl.NO_ERROR, "there should be no errors"); +} + +debug(""); +var successfullyParsed = true; +</script> +<script src="../../../js/js-test-post.js"></script> + +</body> +</html> |