[Shader Graph Gen.] Introduce QShaderFormat

This is the first building block toward a node based generator for
shader programs.

QShaderFormat will be used by the other classes to qualify in which
format the code snippets and includes used are.

Change-Id: I11aefc6bb359832a853ed1b6bec302dc3516cfc4
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
This commit is contained in:
Kevin Ottens 2017-03-20 12:10:37 +01:00
parent e80a3b49c0
commit 57b6b2f527
6 changed files with 530 additions and 2 deletions

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@ -0,0 +1,130 @@
/****************************************************************************
**
** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** 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-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qshaderformat_p.h"
QT_BEGIN_NAMESPACE
QShaderFormat::QShaderFormat() Q_DECL_NOTHROW
: m_api(NoApi)
{
}
QShaderFormat::Api QShaderFormat::api() const Q_DECL_NOTHROW
{
return m_api;
}
void QShaderFormat::setApi(QShaderFormat::Api api) Q_DECL_NOTHROW
{
m_api = api;
}
QVersionNumber QShaderFormat::version() const Q_DECL_NOTHROW
{
return m_version;
}
void QShaderFormat::setVersion(const QVersionNumber &version) Q_DECL_NOTHROW
{
m_version = version;
}
QStringList QShaderFormat::extensions() const Q_DECL_NOTHROW
{
return m_extensions;
}
void QShaderFormat::setExtensions(const QStringList &extensions) Q_DECL_NOTHROW
{
m_extensions = extensions;
m_extensions.sort();
}
QString QShaderFormat::vendor() const Q_DECL_NOTHROW
{
return m_vendor;
}
void QShaderFormat::setVendor(const QString &vendor) Q_DECL_NOTHROW
{
m_vendor = vendor;
}
bool QShaderFormat::isValid() const Q_DECL_NOTHROW
{
return m_api != NoApi && m_version.majorVersion() > 0;
}
bool QShaderFormat::supports(const QShaderFormat &other) const Q_DECL_NOTHROW
{
if (!isValid() || !other.isValid())
return false;
if (m_api == OpenGLES && m_api != other.m_api)
return false;
if (m_api == OpenGLCoreProfile && m_api != other.m_api)
return false;
if (m_version < other.m_version)
return false;
const auto containsAllExtensionsFromOther = std::includes(m_extensions.constBegin(),
m_extensions.constEnd(),
other.m_extensions.constBegin(),
other.m_extensions.constEnd());
if (!containsAllExtensionsFromOther)
return false;
if (!other.m_vendor.isEmpty() && m_vendor != other.m_vendor)
return false;
return true;
}
bool operator==(const QShaderFormat &lhs, const QShaderFormat &rhs) Q_DECL_NOTHROW
{
return lhs.api() == rhs.api()
&& lhs.version() == rhs.version()
&& lhs.extensions() == rhs.extensions()
&& lhs.vendor() == rhs.vendor();
}
QT_END_NAMESPACE

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/****************************************************************************
**
** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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 Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** 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-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSHADERFORMAT_P_H
#define QSHADERFORMAT_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtGui/private/qtguiglobal_p.h>
#include <QtCore/qstringlist.h>
#include <QtCore/qversionnumber.h>
QT_BEGIN_NAMESPACE
class QShaderFormat
{
public:
enum Api : int {
NoApi,
OpenGLNoProfile,
OpenGLCoreProfile,
OpenGLCompatibilityProfile,
OpenGLES
};
Q_GUI_EXPORT QShaderFormat() Q_DECL_NOTHROW;
Q_GUI_EXPORT Api api() const Q_DECL_NOTHROW;
Q_GUI_EXPORT void setApi(Api api) Q_DECL_NOTHROW;
Q_GUI_EXPORT QVersionNumber version() const Q_DECL_NOTHROW;
Q_GUI_EXPORT void setVersion(const QVersionNumber &version) Q_DECL_NOTHROW;
Q_GUI_EXPORT QStringList extensions() const Q_DECL_NOTHROW;
Q_GUI_EXPORT void setExtensions(const QStringList &extensions) Q_DECL_NOTHROW;
Q_GUI_EXPORT QString vendor() const Q_DECL_NOTHROW;
Q_GUI_EXPORT void setVendor(const QString &vendor) Q_DECL_NOTHROW;
Q_GUI_EXPORT bool isValid() const Q_DECL_NOTHROW;
Q_GUI_EXPORT bool supports(const QShaderFormat &other) const Q_DECL_NOTHROW;
private:
Api m_api;
QVersionNumber m_version;
QStringList m_extensions;
QString m_vendor;
};
Q_GUI_EXPORT bool operator==(const QShaderFormat &lhs, const QShaderFormat &rhs) Q_DECL_NOTHROW;
inline bool operator!=(const QShaderFormat &lhs, const QShaderFormat &rhs) Q_DECL_NOTHROW
{
return !(lhs == rhs);
}
Q_DECLARE_TYPEINFO(QShaderFormat, Q_MOVABLE_TYPE);
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QShaderFormat)
#endif // QSHADERFORMAT_P_H

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@ -6,11 +6,13 @@ HEADERS += \
util/qvalidator.h \
util/qgridlayoutengine_p.h \
util/qabstractlayoutstyleinfo_p.h \
util/qlayoutpolicy_p.h
util/qlayoutpolicy_p.h \
util/qshaderformat_p.h
SOURCES += \
util/qdesktopservices.cpp \
util/qvalidator.cpp \
util/qgridlayoutengine.cpp \
util/qabstractlayoutstyleinfo.cpp \
util/qlayoutpolicy.cpp
util/qlayoutpolicy.cpp \
util/qshaderformat.cpp

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@ -0,0 +1,5 @@
CONFIG += testcase
QT += testlib gui-private
SOURCES += tst_qshadernodes.cpp
TARGET = tst_qshadernodes

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@ -0,0 +1,281 @@
/****************************************************************************
**
** 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 <QtGui/private/qshaderformat_p.h>
namespace
{
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;
}
}
class tst_QShaderNodes : public QObject
{
Q_OBJECT
private slots:
void shouldManipulateFormatMembers();
void shouldVerifyFormatsEquality_data();
void shouldVerifyFormatsEquality();
void shouldVerifyFormatsCompatibilities_data();
void shouldVerifyFormatsCompatibilities();
};
void tst_QShaderNodes::shouldManipulateFormatMembers()
{
// GIVEN
auto format = QShaderFormat();
// THEN (default state)
QCOMPARE(format.api(), QShaderFormat::NoApi);
QCOMPARE(format.version().majorVersion(), 0);
QCOMPARE(format.version().minorVersion(), 0);
QCOMPARE(format.extensions(), QStringList());
QCOMPARE(format.vendor(), QString());
QVERIFY(!format.isValid());
// WHEN
format.setApi(QShaderFormat::OpenGLES);
// THEN
QCOMPARE(format.api(), QShaderFormat::OpenGLES);
QCOMPARE(format.version().majorVersion(), 0);
QCOMPARE(format.version().minorVersion(), 0);
QCOMPARE(format.extensions(), QStringList());
QCOMPARE(format.vendor(), QString());
QVERIFY(!format.isValid());
// WHEN
format.setVersion(QVersionNumber(3));
// THEN
QCOMPARE(format.api(), QShaderFormat::OpenGLES);
QCOMPARE(format.version().majorVersion(), 3);
QCOMPARE(format.version().minorVersion(), 0);
QCOMPARE(format.extensions(), QStringList());
QCOMPARE(format.vendor(), QString());
QVERIFY(format.isValid());
// WHEN
format.setVersion(QVersionNumber(3, 2));
// THEN
QCOMPARE(format.api(), QShaderFormat::OpenGLES);
QCOMPARE(format.version().majorVersion(), 3);
QCOMPARE(format.version().minorVersion(), 2);
QCOMPARE(format.extensions(), QStringList());
QCOMPARE(format.vendor(), QString());
QVERIFY(format.isValid());
// WHEN
format.setExtensions({"foo", "bar"});
// THEN
QCOMPARE(format.api(), QShaderFormat::OpenGLES);
QCOMPARE(format.version().majorVersion(), 3);
QCOMPARE(format.version().minorVersion(), 2);
QCOMPARE(format.extensions(), QStringList({"bar", "foo"}));
QCOMPARE(format.vendor(), QString());
QVERIFY(format.isValid());
// WHEN
format.setVendor(QStringLiteral("KDAB"));
// THEN
QCOMPARE(format.api(), QShaderFormat::OpenGLES);
QCOMPARE(format.version().majorVersion(), 3);
QCOMPARE(format.version().minorVersion(), 2);
QCOMPARE(format.extensions(), QStringList({"bar", "foo"}));
QCOMPARE(format.vendor(), QStringLiteral("KDAB"));
QVERIFY(format.isValid());
}
void tst_QShaderNodes::shouldVerifyFormatsEquality_data()
{
QTest::addColumn<QShaderFormat>("left");
QTest::addColumn<QShaderFormat>("right");
QTest::addColumn<bool>("expected");
QTest::newRow("Equals") << createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {"foo", "bar"}, "KDAB")
<< createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {"foo", "bar"}, "KDAB")
<< true;
QTest::newRow("Apis") << createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {"foo", "bar"}, "KDAB")
<< createFormat(QShaderFormat::OpenGLNoProfile, 3, 0, {"foo", "bar"}, "KDAB")
<< false;
QTest::newRow("Major") << createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {"foo", "bar"}, "KDAB")
<< createFormat(QShaderFormat::OpenGLCoreProfile, 2, 0, {"foo", "bar"}, "KDAB")
<< false;
QTest::newRow("Minor") << createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {"foo", "bar"}, "KDAB")
<< createFormat(QShaderFormat::OpenGLCoreProfile, 3, 1, {"foo", "bar"}, "KDAB")
<< false;
QTest::newRow("Extensions") << createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {"foo", "bar"}, "KDAB")
<< createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {"foo"}, "KDAB")
<< false;
QTest::newRow("Vendor") << createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {"foo", "bar"}, "KDAB")
<< createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {"foo", "bar"})
<< false;
}
void tst_QShaderNodes::shouldVerifyFormatsEquality()
{
// GIVEN
QFETCH(QShaderFormat, left);
QFETCH(QShaderFormat, right);
// WHEN
const auto equal = (left == right);
const auto notEqual = (left != right);
// THEN
QFETCH(bool, expected);
QCOMPARE(equal, expected);
QCOMPARE(notEqual, !expected);
}
void tst_QShaderNodes::shouldVerifyFormatsCompatibilities_data()
{
QTest::addColumn<QShaderFormat>("reference");
QTest::addColumn<QShaderFormat>("tested");
QTest::addColumn<bool>("expected");
QTest::newRow("NoProfileVsES") << createFormat(QShaderFormat::OpenGLNoProfile, 2, 0)
<< createFormat(QShaderFormat::OpenGLES, 2, 0)
<< true;
QTest::newRow("CoreProfileVsES") << createFormat(QShaderFormat::OpenGLCoreProfile, 2, 0)
<< createFormat(QShaderFormat::OpenGLES, 2, 0)
<< false;
QTest::newRow("CompatProfileVsES") << createFormat(QShaderFormat::OpenGLCompatibilityProfile, 2, 0)
<< createFormat(QShaderFormat::OpenGLES, 2, 0)
<< true;
QTest::newRow("ESVsNoProfile") << createFormat(QShaderFormat::OpenGLES, 2, 0)
<< createFormat(QShaderFormat::OpenGLNoProfile, 2, 0)
<< false;
QTest::newRow("ESVsCoreProfile") << createFormat(QShaderFormat::OpenGLES, 2, 0)
<< createFormat(QShaderFormat::OpenGLCoreProfile, 2, 0)
<< false;
QTest::newRow("ESVsCompatProfile") << createFormat(QShaderFormat::OpenGLES, 2, 0)
<< createFormat(QShaderFormat::OpenGLCompatibilityProfile, 2, 0)
<< false;
QTest::newRow("CoreVsNoProfile") << createFormat(QShaderFormat::OpenGLCoreProfile, 2, 0)
<< createFormat(QShaderFormat::OpenGLNoProfile, 2, 0)
<< false;
QTest::newRow("CoreVsCompat") << createFormat(QShaderFormat::OpenGLCoreProfile, 2, 0)
<< createFormat(QShaderFormat::OpenGLCompatibilityProfile, 2, 0)
<< false;
QTest::newRow("CoreVsCore") << createFormat(QShaderFormat::OpenGLCoreProfile, 2, 0)
<< createFormat(QShaderFormat::OpenGLCoreProfile, 2, 0)
<< true;
QTest::newRow("NoProfileVsCore") << createFormat(QShaderFormat::OpenGLNoProfile, 2, 0)
<< createFormat(QShaderFormat::OpenGLCoreProfile, 2, 0)
<< true;
QTest::newRow("NoProvileVsCompat") << createFormat(QShaderFormat::OpenGLNoProfile, 2, 0)
<< createFormat(QShaderFormat::OpenGLCompatibilityProfile, 2, 0)
<< true;
QTest::newRow("NoProfileVsNoProfile") << createFormat(QShaderFormat::OpenGLNoProfile, 2, 0)
<< createFormat(QShaderFormat::OpenGLNoProfile, 2, 0)
<< true;
QTest::newRow("CompatVsCore") << createFormat(QShaderFormat::OpenGLCompatibilityProfile, 2, 0)
<< createFormat(QShaderFormat::OpenGLCoreProfile, 2, 0)
<< true;
QTest::newRow("CompatVsCompat") << createFormat(QShaderFormat::OpenGLCompatibilityProfile, 2, 0)
<< createFormat(QShaderFormat::OpenGLCompatibilityProfile, 2, 0)
<< true;
QTest::newRow("CompatVsNoProfile") << createFormat(QShaderFormat::OpenGLCompatibilityProfile, 2, 0)
<< createFormat(QShaderFormat::OpenGLNoProfile, 2, 0)
<< true;
QTest::newRow("MajorForwardCompat_1") << createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0)
<< createFormat(QShaderFormat::OpenGLCoreProfile, 2, 0)
<< true;
QTest::newRow("MajorForwardCompat_2") << createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0)
<< createFormat(QShaderFormat::OpenGLCoreProfile, 2, 4)
<< true;
QTest::newRow("MajorForwardCompat_3") << createFormat(QShaderFormat::OpenGLCoreProfile, 2, 0)
<< createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0)
<< false;
QTest::newRow("MajorForwardCompat_4") << createFormat(QShaderFormat::OpenGLCoreProfile, 2, 4)
<< createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0)
<< false;
QTest::newRow("MinorForwardCompat_1") << createFormat(QShaderFormat::OpenGLCoreProfile, 3, 1)
<< createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0)
<< true;
QTest::newRow("MinorForwardCompat_2") << createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0)
<< createFormat(QShaderFormat::OpenGLCoreProfile, 3, 1)
<< false;
QTest::newRow("Extensions_1") << createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {"foo", "bar"})
<< createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {"foo"})
<< true;
QTest::newRow("Extensions_2") << createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {"foo"})
<< createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {"foo", "bar"})
<< false;
QTest::newRow("Vendor_1") << createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {}, "KDAB")
<< createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {})
<< true;
QTest::newRow("Vendor_2") << createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {})
<< createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {}, "KDAB")
<< false;
QTest::newRow("Vendor_2") << createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {}, "KDAB")
<< createFormat(QShaderFormat::OpenGLCoreProfile, 3, 0, {}, "KDAB")
<< true;
}
void tst_QShaderNodes::shouldVerifyFormatsCompatibilities()
{
// GIVEN
QFETCH(QShaderFormat, reference);
QFETCH(QShaderFormat, tested);
// WHEN
const auto supported = reference.supports(tested);
// THEN
QFETCH(bool, expected);
QCOMPARE(supported, expected);
}
QTEST_MAIN(tst_QShaderNodes)
#include "tst_qshadernodes.moc"

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@ -5,4 +5,5 @@ SUBDIRS= \
qintvalidator \
qregexpvalidator \
qregularexpressionvalidator \
qshadernodes \