Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(138)

Issues Search
    My Issues | Starred     Open | Closed | All

Unified Diff: conformance/extensions/webgl-compressed-texture-pvrtc.html

Issue 41893003: Add ToT WebGL conformance tests : part 12 (last one) (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/deps/third_party/webgl/sdk/tests/
Patch Set: Created 7 years, 2 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
« no previous file with comments | « conformance/extensions/webgl-compressed-texture-atc.html ('k') | conformance/extensions/webgl-compressed-texture-s3tc.html » ('j') | no next file with comments »
Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
Index: conformance/extensions/webgl-compressed-texture-pvrtc.html
===================================================================
--- conformance/extensions/webgl-compressed-texture-pvrtc.html (revision 0)
+++ conformance/extensions/webgl-compressed-texture-pvrtc.html (working copy)
@@ -0,0 +1,365 @@
+<!--
+
+/*
+** Copyright (c) 2013 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">
+<link rel="stylesheet" href="../../resources/js-test-style.css"/>
+<script src="../../resources/js-test-pre.js"></script>
+<script src="../resources/webgl-test.js"></script>
+<script src="../resources/webgl-test-utils.js"></script>
+<title>WebGL WEBGL_compressed_texture_pvrtc Conformance Tests</title>
+<style>
+img {
+ border: 1px solid black;
+ margin-right: 1em;
+}
+.testimages {
+}
+
+.testimages br {
+ clear: both;
+}
+
+.testimages > div {
+ float: left;
+ margin: 1em;
+}
+</style>
+</head>
+<body>
+<div id="description"></div>
+<canvas id="canvas" width="8" height="8" style="width: 8px; height: 8px;"></canvas>
+<div id="console"></div>
+<script>
+"use strict";
+description("This test verifies the functionality of the WEBGL_compressed_texture_pvrtc extension, if it is available.");
+
+debug("");
+
+// Compressed textures generated with thw PowerVR SDK
+// http://www.imgtec.com/powervr/insider/sdkdownloads/index.asp
+var pvrtc_4x4_rgba_2bpp = new Uint8Array([
+ 0x77, 0x22, 0x77, 0x22, 0xbb, 0x2b, 0x00, 0x80, 0x77, 0x22, 0x77, 0x22, 0xbb, 0x2b, 0x00, 0x80,
+ 0x77, 0x22, 0x77, 0x22, 0xbb, 0x2b, 0x00, 0x80, 0x77, 0x22, 0x77, 0x22, 0xbb, 0x2b, 0x00, 0x80,
+]);
+
+var pvrtc_4x4_rgba_2bpp_decoded = new Uint8Array([
+ 0x00, 0x00, 0x00, 0xff, 0x35, 0x35, 0x32, 0xca, 0x76, 0x76, 0x71, 0x8a, 0x70, 0x70, 0x6b, 0x8f,
+ 0x35, 0x35, 0x32, 0xca, 0x46, 0x46, 0x43, 0xb8, 0x70, 0x70, 0x6b, 0x8f, 0xbd, 0xbd, 0xb5, 0x44,
+ 0x00, 0x00, 0x00, 0xff, 0x35, 0x35, 0x32, 0xca, 0x76, 0x76, 0x71, 0x8a, 0x70, 0x70, 0x6b, 0x8f,
+ 0x35, 0x35, 0x32, 0xca, 0x46, 0x46, 0x43, 0xb8, 0x70, 0x70, 0x6b, 0x8f, 0xbd, 0xbd, 0xb5, 0x44,
+]);
+
+var pvrtc_4x4_rgba_4bpp = new Uint8Array([
+ 0x1b, 0x1b, 0x1b, 0x1b, 0xba, 0x2b, 0x00, 0x80, 0x1b, 0x1b, 0x1b, 0x1b, 0xba, 0x2b, 0x00, 0x80,
+ 0x1b, 0x1b, 0x1b, 0x1b, 0xba, 0x2b, 0x00, 0x80, 0x1b, 0x1b, 0x1b, 0x1b, 0xbc, 0x2b, 0x00, 0x80,
+]);
+
+var pvrtc_4x4_rgba_4bpp_decoded = new Uint8Array([
+ 0x00, 0x00, 0x00, 0xff, 0x46, 0x46, 0x49, 0xb8, 0x76, 0x76, 0x71, 0x8a, 0xbd, 0xbd, 0xba, 0x44,
+ 0x00, 0x00, 0x00, 0xff, 0x46, 0x46, 0x4c, 0xb8, 0x76, 0x76, 0x71, 0x8a, 0xbd, 0xbd, 0xbc, 0x44,
+ 0x00, 0x00, 0x00, 0xff, 0x46, 0x46, 0x43, 0xb8, 0x76, 0x76, 0x71, 0x8a, 0xbd, 0xbd, 0xb5, 0x44,
+ 0x00, 0x00, 0x00, 0xff, 0x46, 0x46, 0x46, 0xb8, 0x76, 0x76, 0x71, 0x8a, 0xbd, 0xbd, 0xb7, 0x44,
+]);
+
+// FIXME: The PowerVR SDK tools do not generate RGB only textures, so we currently do not have
+// sample data for COMPRESSED_RGB_PVRTC_4BPPV1_IMG and COMPRESSED_RGB_PVRTC_2BPPV1_IMG
+
+var wtu = WebGLTestUtils;
+var canvas = document.getElementById("canvas");
+var gl = wtu.create3DContext(canvas, {antialias: false});
+var program = wtu.setupTexturedQuad(gl);
+var ext = null;
+var vao = null;
+var validFormats = {
+ COMPRESSED_RGB_PVRTC_4BPPV1_IMG : 0x8C00,
+ COMPRESSED_RGB_PVRTC_2BPPV1_IMG : 0x8C01,
+ COMPRESSED_RGBA_PVRTC_4BPPV1_IMG : 0x8C02,
+ COMPRESSED_RGBA_PVRTC_2BPPV1_IMG : 0x8C03,
+};
+var name;
+var supportedFormats;
+
+if (!gl) {
+ testFailed("WebGL context does not exist");
+} else {
+ testPassed("WebGL context exists");
+
+ // Run tests with extension disabled
+ runTestDisabled();
+
+ // Query the extension and store globally so shouldBe can access it
+ ext = wtu.getExtensionWithKnownPrefixes(gl, "WEBGL_compressed_texture_pvrtc");
+ if (!ext) {
+ testPassed("No WEBGL_compressed_texture_pvrtc support -- this is legal");
+ runSupportedTest(false);
+ } else {
+ testPassed("Successfully enabled WEBGL_compressed_texture_pvrtc extension");
+
+ runSupportedTest(true);
+ runTestExtension();
+ }
+}
+
+function runSupportedTest(extensionEnabled) {
+ var name = wtu.getSupportedExtensionWithKnownPrefixes(gl, "WEBGL_compressed_texture_pvrtc");
+ if (name !== undefined) {
+ if (extensionEnabled) {
+ testPassed("WEBGL_compressed_texture_pvrtc listed as supported and getExtension succeeded");
+ } else {
+ testFailed("WEBGL_compressed_texture_pvrtc listed as supported but getExtension failed");
+ }
+ } else {
+ if (extensionEnabled) {
+ testFailed("WEBGL_compressed_texture_pvrtc not listed as supported but getExtension succeeded");
+ } else {
+ testPassed("WEBGL_compressed_texture_pvrtc not listed as supported and getExtension failed -- this is legal");
+ }
+ }
+}
+
+
+function runTestDisabled() {
+ debug("Testing binding enum with extension disabled");
+
+ shouldBe('gl.getParameter(gl.COMPRESSED_TEXTURE_FORMATS)', '[]');
+}
+
+function formatExists(format, supportedFormats) {
+ for (var ii = 0; ii < supportedFormats.length; ++ii) {
+ if (format == supportedFormats[ii]) {
+ testPassed("supported format " + formatToString(format) + " is exists");
+ return;
+ }
+ }
+ testFailed("supported format " + formatToString(format) + " does not exist");
+}
+
+function formatToString(format) {
+ for (var p in ext) {
+ if (ext[p] == format) {
+ return p;
+ }
+ }
+ return "0x" + format.toString(16);
+}
+
+function runTestExtension() {
+ debug("Testing WEBGL_compressed_texture_pvrtc");
+
+ // check that all format enums exist.
+ for (name in validFormats) {
+ var expected = "0x" + validFormats[name].toString(16);
+ var actual = "ext['" + name + "']";
+ shouldBe(actual, expected);
+ }
+
+ supportedFormats = gl.getParameter(gl.COMPRESSED_TEXTURE_FORMATS);
+ // There should be exactly 3 formats
+ shouldBe("supportedFormats.length", "3");
+
+ // check that all 3 formats exist
+ for (var name in validFormats.length) {
+ formatExists(validFormats[name], supportedFormats);
+ }
+
+ // Test each format
+ testPVRTC_RGBA_2BPP();
+ testPVRTC_RGBA_4BPP();
+}
+
+function testPVRTC_RGBA_2BPP() {
+ var tests = [
+ { width: 4,
+ height: 4,
+ channels: 4,
+ data: pvrtc_4x4_rgba_2bpp,
+ raw: pvrtc_4x4_rgba_2bpp_decoded,
+ format: ext.COMPRESSED_RGBA_PVRTC_2BPPV1_IMG
+ }
+ ];
+ testPVRTCTextures(tests);
+}
+
+function testPVRTC_RGBA_4BPP() {
+ var tests = [
+ { width: 4,
+ height: 4,
+ channels: 4,
+ data: pvrtc_4x4_rgba_4bpp,
+ raw: pvrtc_4x4_rgba_4bpp_decoded,
+ format: ext.COMPRESSED_RGBA_PVRTC_4BPPV1_IMG
+ }
+ ];
+ testPVRTCTextures(tests);
+}
+
+function testPVRTCTextures(tests) {
+ debug("<hr/>");
+ for (var ii = 0; ii < tests.length; ++ii) {
+ testPVRTCTexture(tests[ii]);
+ }
+}
+
+function testPVRTCTexture(test) {
+ var data = new Uint8Array(test.data);
+ var width = test.width;
+ var height = test.height;
+ var format = test.format;
+ var uncompressedData = test.raw;
+
+ canvas.width = width;
+ canvas.height = height;
+ gl.viewport(0, 0, width, height);
+ debug("testing " + formatToString(format) + " " + width + "x" + height);
+
+ 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.NEAREST);
+ gl.texParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST);
+ gl.compressedTexImage2D(gl.TEXTURE_2D, 0, format, width, height, 0, data);
+ glErrorShouldBe(gl, gl.NO_ERROR, "uploading compressed texture");
+ gl.generateMipmap(gl.TEXTURE_2D);
+ glErrorShouldBe(gl, gl.INVALID_OPERATION, "trying to generate mipmaps from compressed texture");
+ wtu.clearAndDrawUnitQuad(gl);
+ compareRect(width, height, test.channels, width, height, uncompressedData, data, format);
+
+ gl.compressedTexImage2D(gl.TEXTURE_2D, 0, format, width, height, 1, data);
+ glErrorShouldBe(gl, gl.INVALID_VALUE, "non 0 border");
+
+ gl.compressedTexImage2D(gl.TEXTURE_2D, 0, format, width - 1, height, 0, data);
+ glErrorShouldBe(gl, gl.INVALID_OPERATION, "invalid dimensions");
+ gl.compressedTexImage2D(gl.TEXTURE_2D, 0, format, width - 2, height, 0, data);
+ glErrorShouldBe(gl, gl.INVALID_OPERATION, "invalid dimensions");
+ gl.compressedTexImage2D(gl.TEXTURE_2D, 0, format, width, height - 1, 0, data);
+ glErrorShouldBe(gl, gl.INVALID_OPERATION, "invalid dimensions");
+ gl.compressedTexImage2D(gl.TEXTURE_2D, 0, format, width, height - 2, 0, data);
+ glErrorShouldBe(gl, gl.INVALID_OPERATION, "invalid dimensions");
+
+ gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, width, height, format, data);
+ glErrorShouldBe(gl, gl.NO_ERROR, "compressedTexSubImage2D allowed for reloading of complete textures");
+
+ gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, width - 2, height, format, data);
+ glErrorShouldBe(gl, gl.INVALID_OPERATION, "compressedTexSubImage2D not allowed for partial texture updates");
+ gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 0, 0, width, height - 2, format, data);
+ glErrorShouldBe(gl, gl.INVALID_OPERATION, "compressedTexSubImage2D not allowed for partial texture updates");
+ gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 2, 0, width - 2, height, format, data);
+ glErrorShouldBe(gl, gl.INVALID_OPERATION, "compressedTexSubImage2D not allowed for partial texture updates");
+ gl.compressedTexSubImage2D(gl.TEXTURE_2D, 0, 0, 2, width, height - 2, format, data);
+ glErrorShouldBe(gl, gl.INVALID_OPERATION, "compressedTexSubImage2D not allowed for partial texture updates");
+}
+
+function insertImg(element, caption, img) {
+ var div = document.createElement("div");
+ div.appendChild(img);
+ var label = document.createElement("div");
+ label.appendChild(document.createTextNode(caption));
+ div.appendChild(label);
+ element.appendChild(div);
+}
+
+function makeImage(imageWidth, imageHeight, dataWidth, data, alpha) {
+ var scale = 8;
+ var c = document.createElement("canvas");
+ c.width = imageWidth * scale;
+ c.height = imageHeight * scale;
+ var ctx = c.getContext("2d");
+ for (var yy = 0; yy < imageHeight; ++yy) {
+ for (var xx = 0; xx < imageWidth; ++xx) {
+ var offset = (yy * dataWidth + xx) * 4;
+ ctx.fillStyle = "rgba(" +
+ data[offset + 0] + "," +
+ data[offset + 1] + "," +
+ data[offset + 2] + "," +
+ (alpha ? data[offset + 3] / 255 : 1) + ")";
+ ctx.fillRect(xx * scale, yy * scale, scale, scale);
+ }
+ }
+ var img = document.createElement("img");
+ img.src = c.toDataURL();
+ return img;
+}
+function compareRect(
+ actualWidth, actualHeight, actualChannels,
+ dataWidth, dataHeight, expectedData,
+ testData, testFormat, tolerance) {
+ if(typeof(tolerance) == 'undefined') { tolerance = 5; }
+ var actual = new Uint8Array(actualWidth * actualHeight * 4);
+ gl.readPixels(
+ 0, 0, actualWidth, actualHeight, gl.RGBA, gl.UNSIGNED_BYTE, actual);
+
+ var div = document.createElement("div");
+ div.className = "testimages";
+ insertImg(div, "expected", makeImage(
+ actualWidth, actualHeight, dataWidth, expectedData,
+ actualChannels == 4));
+ insertImg(div, "actual", makeImage(
+ actualWidth, actualHeight, actualWidth, actual,
+ actualChannels == 4));
+ div.appendChild(document.createElement('br'));
+ document.getElementById("console").appendChild(div);
+
+ var failed = false;
+ for (var yy = 0; yy < actualHeight; ++yy) {
+ for (var xx = 0; xx < actualWidth; ++xx) {
+ var actualOffset = (yy * actualWidth + xx) * 4;
+ var expectedOffset = (yy * dataWidth + xx) * 4;
+ var expected = [
+ expectedData[expectedOffset + 0],
+ expectedData[expectedOffset + 1],
+ expectedData[expectedOffset + 2],
+ (actualChannels == 3 ? 255 : expectedData[expectedOffset + 3])
+ ];
+ for (var jj = 0; jj < 4; ++jj) {
+ if (Math.abs(actual[actualOffset + jj] - expected[jj]) > tolerance) {
+ failed = true;
+ var was = actual[actualOffset + 0].toString();
+ for (j = 1; j < 4; ++j) {
+ was += "," + actual[actualOffset + j];
+ }
+ testFailed('at (' + xx + ', ' + yy +
+ ') expected: ' + expected + ' was ' + was);
+ }
+ }
+ }
+ }
+ if (!failed) {
+ testPassed("texture rendered correctly");
+ }
+}
+
+debug("");
+var successfullyParsed = true;
+</script>
+<script src="../../resources/js-test-post.js"></script>
+
+</body>
+</html>
Property changes on: conformance/extensions/webgl-compressed-texture-pvrtc.html
___________________________________________________________________
Added: svn:eol-style
## -0,0 +1 ##
+LF
\ No newline at end of property
« no previous file with comments | « conformance/extensions/webgl-compressed-texture-atc.html ('k') | conformance/extensions/webgl-compressed-texture-s3tc.html » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698