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/****************************************************************************
**
** 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>
#include <QtGui/private/qshaderlanguage_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 = "{"
" \"inputValue\": {"
" \"outputs\": ["
" \"value\""
" ],"
" \"parameters\": {"
" \"name\": \"defaultName\","
" \"qualifier\": {"
" \"type\": \"QShaderLanguage::StorageQualifier\","
" \"value\": \"QShaderLanguage::Uniform\""
" },"
" \"type\": {"
" \"type\": \"QShaderLanguage::VariableType\","
" \"value\": \"QShaderLanguage::Vec3\""
" },"
" \"defaultValue\": {"
" \"type\": \"float\","
" \"value\": \"1.25\""
" }"
" },"
" \"rules\": ["
" {"
" \"format\": {"
" \"api\": \"OpenGLES\","
" \"major\": 2,"
" \"minor\": 0"
" },"
" \"substitution\": \"highp vec3 $value = $name;\","
" \"headerSnippets\": [ \"varying highp vec3 $name;\" ]"
" },"
" {"
" \"format\": {"
" \"api\": \"OpenGLCompatibilityProfile\","
" \"major\": 2,"
" \"minor\": 1"
" },"
" \"substitution\": \"vec3 $value = $name;\","
" \"headerSnippets\": [ \"in vec3 $name;\" ]"
" }"
" ]"
" },"
" \"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 inputValue = createNode({
createPort(QShaderNodePort::Output, "value")
});
inputValue.setParameter("name", "defaultName");
inputValue.setParameter("qualifier", QVariant::fromValue<QShaderLanguage::StorageQualifier>(QShaderLanguage::Uniform));
inputValue.setParameter("type", QVariant::fromValue<QShaderLanguage::VariableType>(QShaderLanguage::Vec3));
inputValue.setParameter("defaultValue", QVariant(1.25f));
inputValue.addRule(openGLES2, QShaderNode::Rule("highp vec3 $value = $name;",
QByteArrayList() << "varying highp vec3 $name;"));
inputValue.addRule(openGL2, QShaderNode::Rule("vec3 $value = $name;",
QByteArrayList() << "in vec3 $name;"));
protos.insert("inputValue", inputValue);
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);
const auto sortedKeys = [](const NodeHash &nodes) {
auto res = nodes.keys();
res.sort();
return res;
};
const auto sortedParameters = [](const QShaderNode &node) {
auto res = node.parameterNames();
res.sort();
return res;
};
QCOMPARE(sortedKeys(loader.nodes()), sortedKeys(nodes));
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(sortedParameters(actual), sortedParameters(expected));
for (const auto &name : expected.parameterNames()) {
QCOMPARE(actual.parameter(name), expected.parameter(name));
}
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"
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