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author | Kevin Ottens <kevin.ottens@kdab.com> | 2017-05-09 17:49:44 +0200 |
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committer | Kevin Ottens <kevin.ottens@kdab.com> | 2017-06-20 21:35:51 +0000 |
commit | 4d70e03002de5cfc558398a235755470ad2c8408 (patch) | |
tree | bd8c0dc4fd7b0acd3a90f8017677cdac4c47f0db /tests/auto/gui/util | |
parent | 093752faf35e79667a037f038e2f6ebb58a5bb81 (diff) | |
download | qtbase-4d70e03002de5cfc558398a235755470ad2c8408.tar.gz |
[Shader Graph Gen.] Introduce QShaderNodesLoader
This class allows to node definitions from a JSON representation. This
will come in handy to ship preset prototypes for use with
QShaderGraphLoader.
Change-Id: I3f3b5d7852e17d484069b4814ee6e5910997c613
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
Diffstat (limited to 'tests/auto/gui/util')
-rw-r--r-- | tests/auto/gui/util/qshadernodesloader/qshadernodesloader.pro | 5 | ||||
-rw-r--r-- | tests/auto/gui/util/qshadernodesloader/tst_qshadernodesloader.cpp | 289 | ||||
-rw-r--r-- | tests/auto/gui/util/util.pro | 1 |
3 files changed, 295 insertions, 0 deletions
diff --git a/tests/auto/gui/util/qshadernodesloader/qshadernodesloader.pro b/tests/auto/gui/util/qshadernodesloader/qshadernodesloader.pro new file mode 100644 index 0000000000..b9c26a2942 --- /dev/null +++ b/tests/auto/gui/util/qshadernodesloader/qshadernodesloader.pro @@ -0,0 +1,5 @@ +CONFIG += testcase +QT += testlib gui-private + +SOURCES += tst_qshadernodesloader.cpp +TARGET = tst_qshadernodesloader diff --git a/tests/auto/gui/util/qshadernodesloader/tst_qshadernodesloader.cpp b/tests/auto/gui/util/qshadernodesloader/tst_qshadernodesloader.cpp new file mode 100644 index 0000000000..158597128b --- /dev/null +++ b/tests/auto/gui/util/qshadernodesloader/tst_qshadernodesloader.cpp @@ -0,0 +1,289 @@ +/**************************************************************************** +** +** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB). +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the test suite of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:GPL-EXCEPT$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and The Qt Company. For licensing terms +** and conditions see https://www.qt.io/terms-conditions. For further +** information use the contact form at https://www.qt.io/contact-us. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3 as published by the Free Software +** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT +** included in the packaging of this file. Please review the following +** information to ensure the GNU General Public License requirements will +** be met: https://www.gnu.org/licenses/gpl-3.0.html. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + + +#include <QtTest/QtTest> + +#include <QtCore/qbuffer.h> + +#include <QtGui/private/qshadernodesloader_p.h> + +using QBufferPointer = QSharedPointer<QBuffer>; +Q_DECLARE_METATYPE(QBufferPointer); + +using NodeHash = QHash<QString, QShaderNode>; +Q_DECLARE_METATYPE(NodeHash); + +namespace +{ + QBufferPointer createBuffer(const QByteArray &data, QIODevice::OpenMode openMode = QIODevice::ReadOnly) + { + auto buffer = QBufferPointer::create(); + buffer->setData(data); + if (openMode != QIODevice::NotOpen) + buffer->open(openMode); + return buffer; + } + + QShaderFormat createFormat(QShaderFormat::Api api, int majorVersion, int minorVersion, + const QStringList &extensions = QStringList(), + const QString &vendor = QString()) + { + auto format = QShaderFormat(); + format.setApi(api); + format.setVersion(QVersionNumber(majorVersion, minorVersion)); + format.setExtensions(extensions); + format.setVendor(vendor); + return format; + } + + QShaderNodePort createPort(QShaderNodePort::Direction portDirection, const QString &portName) + { + auto port = QShaderNodePort(); + port.direction = portDirection; + port.name = portName; + return port; + } + + QShaderNode createNode(const QVector<QShaderNodePort> &ports) + { + auto node = QShaderNode(); + for (const auto &port : ports) + node.addPort(port); + return node; + } +} + +class tst_QShaderNodesLoader : public QObject +{ + Q_OBJECT +private slots: + void shouldManipulateLoaderMembers(); + void shouldLoadFromJsonStream_data(); + void shouldLoadFromJsonStream(); +}; + +void tst_QShaderNodesLoader::shouldManipulateLoaderMembers() +{ + // GIVEN + auto loader = QShaderNodesLoader(); + + // THEN (default state) + QCOMPARE(loader.status(), QShaderNodesLoader::Null); + QVERIFY(!loader.device()); + QVERIFY(loader.nodes().isEmpty()); + + // WHEN + auto device1 = createBuffer(QByteArray("..........."), QIODevice::NotOpen); + loader.setDevice(device1.data()); + + // THEN + QCOMPARE(loader.status(), QShaderNodesLoader::Error); + QCOMPARE(loader.device(), device1.data()); + QVERIFY(loader.nodes().isEmpty()); + + // WHEN + auto device2 = createBuffer(QByteArray("..........."), QIODevice::ReadOnly); + loader.setDevice(device2.data()); + + // THEN + QCOMPARE(loader.status(), QShaderNodesLoader::Waiting); + QCOMPARE(loader.device(), device2.data()); + QVERIFY(loader.nodes().isEmpty()); +} + +void tst_QShaderNodesLoader::shouldLoadFromJsonStream_data() +{ + QTest::addColumn<QBufferPointer>("device"); + QTest::addColumn<NodeHash>("nodes"); + QTest::addColumn<QShaderNodesLoader::Status>("status"); + + QTest::newRow("empty") << createBuffer("", QIODevice::ReadOnly) << NodeHash() << QShaderNodesLoader::Error; + + const auto smallJson = "{" + " \"worldPosition\": {" + " \"outputs\": [" + " \"worldPosition\"" + " ]," + " \"rules\": [" + " {" + " \"format\": {" + " \"api\": \"OpenGLES\"," + " \"major\": 2," + " \"minor\": 0" + " }," + " \"substitution\": \"highp vec3 $worldPosition = worldPosition;\"," + " \"headerSnippets\": [ \"varying highp vec3 worldPosition;\" ]" + " }," + " {" + " \"format\": {" + " \"api\": \"OpenGLCompatibilityProfile\"," + " \"major\": 2," + " \"minor\": 1" + " }," + " \"substitution\": \"vec3 $worldPosition = worldPosition;\"," + " \"headerSnippets\": [ \"in vec3 worldPosition;\" ]" + " }" + " ]" + " }," + " \"fragColor\": {" + " \"inputs\": [" + " \"fragColor\"" + " ]," + " \"rules\": [" + " {" + " \"format\": {" + " \"api\": \"OpenGLES\"," + " \"major\": 2," + " \"minor\": 0" + " }," + " \"substitution\": \"gl_fragColor = $fragColor;\"" + " }," + " {" + " \"format\": {" + " \"api\": \"OpenGLNoProfile\"," + " \"major\": 4," + " \"minor\": 0" + " }," + " \"substitution\": \"fragColor = $fragColor;\"," + " \"headerSnippets\": [ \"out vec4 fragColor;\" ]" + " }" + " ]" + " }," + " \"lightModel\": {" + " \"inputs\": [" + " \"baseColor\"," + " \"position\"," + " \"lightIntensity\"" + " ]," + " \"outputs\": [" + " \"outputColor\"" + " ]," + " \"rules\": [" + " {" + " \"format\": {" + " \"api\": \"OpenGLES\"," + " \"major\": 2," + " \"minor\": 0," + " \"extensions\": [ \"ext1\", \"ext2\" ]," + " \"vendor\": \"kdab\"" + " }," + " \"substitution\": \"highp vec4 $outputColor = lightModel($baseColor, $position, $lightIntensity);\"," + " \"headerSnippets\": [ \"#pragma include es2/lightmodel.frag.inc\" ]" + " }," + " {" + " \"format\": {" + " \"api\": \"OpenGLCoreProfile\"," + " \"major\": 3," + " \"minor\": 3" + " }," + " \"substitution\": \"vec4 $outputColor = lightModel($baseColor, $position, $lightIntensity);\"," + " \"headerSnippets\": [ \"#pragma include gl3/lightmodel.frag.inc\" ]" + " }" + " ]" + " }" + "}"; + + const auto smallProtos = [this]{ + const auto openGLES2 = createFormat(QShaderFormat::OpenGLES, 2, 0); + const auto openGLES2Extended = createFormat(QShaderFormat::OpenGLES, 2, 0, {"ext1", "ext2"}, "kdab"); + const auto openGL2 = createFormat(QShaderFormat::OpenGLCompatibilityProfile, 2, 1); + const auto openGL3 = createFormat(QShaderFormat::OpenGLCoreProfile, 3, 3); + const auto openGL4 = createFormat(QShaderFormat::OpenGLNoProfile, 4, 0); + + auto protos = NodeHash(); + + auto worldPosition = createNode({ + createPort(QShaderNodePort::Output, "worldPosition") + }); + worldPosition.addRule(openGLES2, QShaderNode::Rule("highp vec3 $worldPosition = worldPosition;", + QByteArrayList() << "varying highp vec3 worldPosition;")); + worldPosition.addRule(openGL2, QShaderNode::Rule("vec3 $worldPosition = worldPosition;", + QByteArrayList() << "in vec3 worldPosition;")); + protos.insert("worldPosition", worldPosition); + + auto fragColor = createNode({ + createPort(QShaderNodePort::Input, "fragColor") + }); + fragColor.addRule(openGLES2, QShaderNode::Rule("gl_fragColor = $fragColor;")); + fragColor.addRule(openGL4, QShaderNode::Rule("fragColor = $fragColor;", + QByteArrayList() << "out vec4 fragColor;")); + protos.insert(QStringLiteral("fragColor"), fragColor); + + auto lightModel = createNode({ + createPort(QShaderNodePort::Input, "baseColor"), + createPort(QShaderNodePort::Input, "position"), + createPort(QShaderNodePort::Input, "lightIntensity"), + createPort(QShaderNodePort::Output, "outputColor") + }); + lightModel.addRule(openGLES2Extended, QShaderNode::Rule("highp vec4 $outputColor = lightModel($baseColor, $position, $lightIntensity);", + QByteArrayList() << "#pragma include es2/lightmodel.frag.inc")); + lightModel.addRule(openGL3, QShaderNode::Rule("vec4 $outputColor = lightModel($baseColor, $position, $lightIntensity);", + QByteArrayList() << "#pragma include gl3/lightmodel.frag.inc")); + protos.insert("lightModel", lightModel); + + return protos; + }(); + + QTest::newRow("NotOpen") << createBuffer(smallJson, QIODevice::NotOpen) << NodeHash() << QShaderNodesLoader::Error; + QTest::newRow("CorrectJSON") << createBuffer(smallJson) << smallProtos << QShaderNodesLoader::Ready; +} + +void tst_QShaderNodesLoader::shouldLoadFromJsonStream() +{ + // GIVEN + QFETCH(QBufferPointer, device); + + auto loader = QShaderNodesLoader(); + + // WHEN + loader.setDevice(device.data()); + loader.load(); + + // THEN + QFETCH(QShaderNodesLoader::Status, status); + QCOMPARE(loader.status(), status); + + QFETCH(NodeHash, nodes); + QCOMPARE(loader.nodes().keys(), nodes.keys()); + for (const auto &key : nodes.keys()) { + const auto actual = loader.nodes().value(key); + const auto expected = nodes.value(key); + + QVERIFY(actual.uuid().isNull()); + QCOMPARE(actual.ports(), expected.ports()); + QCOMPARE(actual.availableFormats(), expected.availableFormats()); + for (const auto &format : expected.availableFormats()) { + QCOMPARE(actual.rule(format), expected.rule(format)); + } + } +} + +QTEST_MAIN(tst_QShaderNodesLoader) + +#include "tst_qshadernodesloader.moc" diff --git a/tests/auto/gui/util/util.pro b/tests/auto/gui/util/util.pro index 128001a98c..940e892e5f 100644 --- a/tests/auto/gui/util/util.pro +++ b/tests/auto/gui/util/util.pro @@ -9,4 +9,5 @@ SUBDIRS= \ qshadergraph \ qshadergraphloader \ qshadernodes \ + qshadernodesloader \ |