diff options
Diffstat (limited to 'src/imports/etcprovider')
-rw-r--r-- | src/imports/etcprovider/etcprovider.pro | 19 | ||||
-rw-r--r-- | src/imports/etcprovider/plugin.cpp | 72 | ||||
-rw-r--r-- | src/imports/etcprovider/plugin.h | 68 | ||||
-rw-r--r-- | src/imports/etcprovider/qetcprovider.cpp | 185 | ||||
-rw-r--r-- | src/imports/etcprovider/qetcprovider.h | 100 | ||||
-rw-r--r-- | src/imports/etcprovider/qmldir | 1 |
6 files changed, 445 insertions, 0 deletions
diff --git a/src/imports/etcprovider/etcprovider.pro b/src/imports/etcprovider/etcprovider.pro new file mode 100644 index 0000000000..b48235eed8 --- /dev/null +++ b/src/imports/etcprovider/etcprovider.pro @@ -0,0 +1,19 @@ +TARGET = qmletcproviderplugin +TARGETPATH = Qt/labs/etcprovider +include(../qimportbase.pri) +!contains(QT_CONFIG, egl):DEFINES += QT_NO_EGL + +QT += declarative opengl + +SOURCES += qetcprovider.cpp plugin.cpp +HEADERS += qetcprovider.h plugin.h + +QTDIR_build:DESTDIR = $$QT_BUILD_TREE/imports/$$TARGETPATH +target.path = $$[QT_INSTALL_IMPORTS]/$$TARGETPATH + +qmldir.files += $$PWD/qmldir +qmldir.path += $$[QT_INSTALL_IMPORTS]/$$TARGETPATH + +INSTALLS += target qmldir + +OTHER_FILES += diff --git a/src/imports/etcprovider/plugin.cpp b/src/imports/etcprovider/plugin.cpp new file mode 100644 index 0000000000..ac2d803842 --- /dev/null +++ b/src/imports/etcprovider/plugin.cpp @@ -0,0 +1,72 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the demonstration applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "plugin.h" +#include "qetcprovider.h" + +#include <QDeclarativeEngine> +#include <qdebug.h> + +QT_BEGIN_NAMESPACE + +class QEtcDummyObject : public QObject +{ +public: + QEtcDummyObject() {} +}; + +void EtcProviderPlugin::registerTypes(const char *uri) +{ + //### this is required or "import Qt.labs.etcprovider 1.0" will give errors + //### this plugin should eventually be replaced by a non-import type plugin + // (once it is available) + qmlRegisterType<QEtcDummyObject>(uri,1,0,"EtcObject"); +} + +void EtcProviderPlugin::initializeEngine(QDeclarativeEngine *engine, const char *uri) +{ + qDebug () << uri; + engine->addImageProvider(QLatin1String("etc"), new QEtcProvider()); +} + +QT_END_NAMESPACE + +Q_EXPORT_PLUGIN2(qmletcproviderplugin, QT_PREPEND_NAMESPACE(EtcProviderPlugin)) diff --git a/src/imports/etcprovider/plugin.h b/src/imports/etcprovider/plugin.h new file mode 100644 index 0000000000..b697f72679 --- /dev/null +++ b/src/imports/etcprovider/plugin.h @@ -0,0 +1,68 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the demonstration applications of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef ETCPROVIDERPLUGIN_H +#define ETCPROVIDERPLUGIN_H + +#include <QtDeclarative/qdeclarative.h> +#include <QtDeclarative/QDeclarativeExtensionPlugin> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) + +class EtcProviderPlugin : public QDeclarativeExtensionPlugin +{ + Q_OBJECT + +public: + void registerTypes(const char *uri); + void initializeEngine(QDeclarativeEngine *engine, const char *uri); +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // ETCPROVIDERPLUGIN_H + diff --git a/src/imports/etcprovider/qetcprovider.cpp b/src/imports/etcprovider/qetcprovider.cpp new file mode 100644 index 0000000000..24513edc43 --- /dev/null +++ b/src/imports/etcprovider/qetcprovider.cpp @@ -0,0 +1,185 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Declarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qetcprovider.h" + +#include <QtDebug> +#include <QFile> + +#include <qglfunctions.h> + +QT_BEGIN_NAMESPACE + +typedef struct { + char aName[6]; + unsigned short iBlank; + /* NB: Beware endianess issues here. */ + unsigned char iPaddedWidthMSB; + unsigned char iPaddedWidthLSB; + unsigned char iPaddedHeightMSB; + unsigned char iPaddedHeightLSB; + unsigned char iWidthMSB; + unsigned char iWidthLSB; + unsigned char iHeightMSB; + unsigned char iHeightLSB; +} ETCHeader; + + +unsigned short getWidth(ETCHeader *pHeader) +{ + return (pHeader->iWidthMSB << 8) | pHeader->iWidthLSB; +} + +unsigned short getHeight(ETCHeader *pHeader) +{ + return (pHeader->iHeightMSB << 8) | pHeader->iHeightLSB; +} + +unsigned short getPaddedWidth(ETCHeader *pHeader) +{ + return (pHeader->iPaddedWidthMSB << 8) | pHeader->iPaddedWidthLSB; +} + +unsigned short getPaddedHeight(ETCHeader *pHeader) +{ + return (pHeader->iPaddedHeightMSB << 8) | pHeader->iPaddedHeightLSB; +} + +enum {GL_ETC1_RGB8_OES=0x8d64}; + +EtcTexture::EtcTexture() + : m_texture_id(0) +{ + +} + +EtcTexture::~EtcTexture() +{ + if (m_texture_id) + glDeleteTextures(1, &m_texture_id); +} + + +void EtcTexture::bind() +{ + if (m_texture_id) { + glBindTexture(GL_TEXTURE_2D, m_texture_id); + return; + } + +#ifdef ETC_DEBUG + printf("EtcTextureProvider: about to update that texture...\n"); +#endif + + glGenTextures(1, &m_texture_id); + + glBindTexture(GL_TEXTURE_2D, m_texture_id); + +#ifdef ETC_DEBUG + qDebug() << "glCompressedTexImage2D, width: " << m_size.width() << "height" << m_size.height() << + "paddedWidth: " << m_paddedSize.width() << "paddedHeight: " << m_paddedSize.height(); +#endif + + const QGLContext *ctx = QGLContext::currentContext(); + Q_ASSERT(ctx != 0); + ctx->functions()->glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_ETC1_RGB8_OES, + m_size.width(), m_size.height(), 0, + (m_paddedSize.width() * m_paddedSize.height()) >> 1, + m_data.data() + 16); + + // Gracefully fail in case of an error... + GLuint error = glGetError(); + if (error != GL_NO_ERROR) { + qDebug () << "glCompressedTexImage2D for compressed texture failed, error: " << error; + glBindTexture(GL_TEXTURE_2D, 0); + glDeleteTextures(1, &m_texture_id); + m_texture_id = 0; + return; + } + updateBindOptions(true); +} + +QSize EtcTexture::textureSize() const +{ + return m_size; +} + +QSGTexture *QEtcProvider::requestTexture(const QString &id, QSize *size, const QSize &requestedSize) +{ + Q_UNUSED(requestedSize); + EtcTexture *ret = 0; + + size->setHeight(0); + size->setWidth(0); + + QFile file(id); +#ifdef ETC_DEBUG + qDebug() << "requestTexture opening file: " << id; +#endif + if (file.open(QIODevice::ReadOnly)) { + ret = new EtcTexture(); + ret->m_data = file.readAll(); + if (!ret->m_data.isEmpty()) { + ETCHeader *pETCHeader = NULL; + pETCHeader = (ETCHeader *)ret->m_data.data(); + size->setHeight(getHeight(pETCHeader)); + size->setWidth(getWidth(pETCHeader)); + ret->m_size = *size; + ret->m_paddedSize.setHeight(getPaddedHeight(pETCHeader)); + ret->m_paddedSize.setWidth(getPaddedWidth(pETCHeader)); + } + else { + free (ret); + ret = 0; + } + } + +#ifdef ETC_DEBUG + if (ret) + qDebug() << "requestTexture returning: " << ret->m_data.length() << ", bytes; width: " << size->width() << ", height: " << size->height(); + else + qDebug () << "File not found."; +#endif + + return ret; +} + +QT_END_NAMESPACE diff --git a/src/imports/etcprovider/qetcprovider.h b/src/imports/etcprovider/qetcprovider.h new file mode 100644 index 0000000000..ab79bd480d --- /dev/null +++ b/src/imports/etcprovider/qetcprovider.h @@ -0,0 +1,100 @@ +/**************************************************************************** +** +** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the Declarative module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QETCPROVIDER_H +#define QETCPROVIDER_H + +#include <qgl.h> +#include <QDeclarativeImageProvider> +#include <QSGTexture> +#include <QDeclarativeEngine> +#include <QDeclarativeContext> +#include <QFileInfo> + +QT_BEGIN_HEADER + +QT_BEGIN_NAMESPACE + +QT_MODULE(Declarative) + +// #define ETC_DEBUG + +class EtcTexture : public QSGTexture +{ + Q_OBJECT +public: + EtcTexture(); + ~EtcTexture(); + + void bind(); + QSize textureSize() const; + + int textureId() const { return m_texture_id; } + + void setImage(const QImage &image) { Q_UNUSED(image); } + + bool hasAlphaChannel() const { return false; } + bool hasMipmaps() const { return false; } + + QByteArray m_data; + QSize m_size; + QSize m_paddedSize; + GLuint m_texture_id; +}; + +class QEtcProvider : public QDeclarativeImageProvider +{ +public: + QEtcProvider() + : QDeclarativeImageProvider(QDeclarativeImageProvider::Texture) + { +#ifdef ETC_DEBUG + qDebug () << "Creating QEtcProvider."; +#endif + } + QSGTexture *requestTexture(const QString &id, QSize *size, const QSize &requestedSize); +}; + +QT_END_NAMESPACE + +QT_END_HEADER + +#endif // QETCPROVIDER_H diff --git a/src/imports/etcprovider/qmldir b/src/imports/etcprovider/qmldir new file mode 100644 index 0000000000..f731f581a3 --- /dev/null +++ b/src/imports/etcprovider/qmldir @@ -0,0 +1 @@ +plugin qmletcproviderplugin |