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Diffstat (limited to 'testing/web-platform/tests/webgl/conformance-1.0.3/conformance/textures/texture-attachment-formats.html')
-rw-r--r-- | testing/web-platform/tests/webgl/conformance-1.0.3/conformance/textures/texture-attachment-formats.html | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webgl/conformance-1.0.3/conformance/textures/texture-attachment-formats.html b/testing/web-platform/tests/webgl/conformance-1.0.3/conformance/textures/texture-attachment-formats.html new file mode 100644 index 000000000..f171839b5 --- /dev/null +++ b/testing/web-platform/tests/webgl/conformance-1.0.3/conformance/textures/texture-attachment-formats.html @@ -0,0 +1,200 @@ +<!-- + +/* +** Copyright (c) 2012 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 Texture Attachment Format Conformance Tests</title> +<link rel="stylesheet" href="../../resources/js-test-style.css"/> +<script src=/resources/testharness.js></script> +<script src=/resources/testharnessreport.js></script> +<script src="../../resources/js-test-pre.js"></script> +<script src="../resources/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="../../resources/js-test-post.js"></script> + +</body> +</html> |