diff options
Diffstat (limited to 'src/plugins/scenegraph/openvg/qsgopenvgcontext.cpp')
| -rw-r--r-- | src/plugins/scenegraph/openvg/qsgopenvgcontext.cpp | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/src/plugins/scenegraph/openvg/qsgopenvgcontext.cpp b/src/plugins/scenegraph/openvg/qsgopenvgcontext.cpp new file mode 100644 index 0000000000..22a80c62e8 --- /dev/null +++ b/src/plugins/scenegraph/openvg/qsgopenvgcontext.cpp @@ -0,0 +1,219 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtQuick 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 "qsgopenvgcontext_p.h" +#include "qsgopenvgrenderer_p.h" +#include "qsgopenvginternalrectanglenode.h" +#include "qsgopenvginternalimagenode.h" +#include "qsgopenvgpublicnodes.h" +#include "qsgopenvgtexture.h" +#include "qsgopenvglayer.h" +#include "qsgopenvgglyphnode_p.h" +#include "qsgopenvgfontglyphcache.h" +#include "qsgopenvgpainternode.h" +#include "qsgopenvgspritenode.h" + +#include "qopenvgcontext_p.h" + +#include <private/qsgrenderer_p.h> + +// polish, animations, sync, render and swap in the render loop +Q_LOGGING_CATEGORY(QSG_OPENVG_LOG_TIME_RENDERLOOP, "qt.scenegraph.time.renderloop") + +QT_BEGIN_NAMESPACE + +QSGOpenVGRenderContext::QSGOpenVGRenderContext(QSGContext *context) + : QSGRenderContext(context) + , m_vgContext(nullptr) + , m_glyphCacheManager(nullptr) +{ + +} + +void QSGOpenVGRenderContext::initialize(void *context) +{ + m_vgContext = static_cast<QOpenVGContext*>(context); + QSGRenderContext::initialize(context); +} + +void QSGOpenVGRenderContext::invalidate() +{ + m_vgContext = nullptr; + delete m_glyphCacheManager; + m_glyphCacheManager = nullptr; + QSGRenderContext::invalidate(); +} + +void QSGOpenVGRenderContext::renderNextFrame(QSGRenderer *renderer, uint fboId) +{ + renderer->renderScene(fboId); +} + +QSGTexture *QSGOpenVGRenderContext::createTexture(const QImage &image, uint flags) const +{ + QImage tmp = image; + + // Make sure image is not larger than maxTextureSize + int maxSize = maxTextureSize(); + if (tmp.width() > maxSize || tmp.height() > maxSize) { + tmp = tmp.scaled(qMin(maxSize, tmp.width()), qMin(maxSize, tmp.height()), Qt::IgnoreAspectRatio, Qt::FastTransformation); + } + + return new QSGOpenVGTexture(tmp, flags); +} + +QSGRenderer *QSGOpenVGRenderContext::createRenderer() +{ + return new QSGOpenVGRenderer(this); +} + +QSGOpenVGContext::QSGOpenVGContext(QObject *parent) +{ + Q_UNUSED(parent) +} + +QSGRenderContext *QSGOpenVGContext::createRenderContext() +{ + return new QSGOpenVGRenderContext(this); +} + +QSGRectangleNode *QSGOpenVGContext::createRectangleNode() +{ + return new QSGOpenVGRectangleNode; +} + +QSGImageNode *QSGOpenVGContext::createImageNode() +{ + return new QSGOpenVGImageNode; +} + +QSGPainterNode *QSGOpenVGContext::createPainterNode(QQuickPaintedItem *item) +{ + Q_UNUSED(item) + return new QSGOpenVGPainterNode(item); +} + +QSGGlyphNode *QSGOpenVGContext::createGlyphNode(QSGRenderContext *rc, bool preferNativeGlyphNode) +{ + Q_UNUSED(preferNativeGlyphNode) + return new QSGOpenVGGlyphNode(rc); +} + +QSGNinePatchNode *QSGOpenVGContext::createNinePatchNode() +{ + return new QSGOpenVGNinePatchNode; +} + +QSGLayer *QSGOpenVGContext::createLayer(QSGRenderContext *renderContext) +{ + return new QSGOpenVGLayer(renderContext); +} + +QSurfaceFormat QSGOpenVGContext::defaultSurfaceFormat() const +{ + QSurfaceFormat format = QSurfaceFormat::defaultFormat(); + format.setRenderableType(QSurfaceFormat::OpenVG); + format.setMajorVersion(1); + return format; +} + +QSGInternalRectangleNode *QSGOpenVGContext::createInternalRectangleNode() +{ + return new QSGOpenVGInternalRectangleNode(); +} + +QSGInternalImageNode *QSGOpenVGContext::createInternalImageNode() +{ + return new QSGOpenVGInternalImageNode(); +} + +int QSGOpenVGRenderContext::maxTextureSize() const +{ + VGint width = vgGeti(VG_MAX_IMAGE_WIDTH); + VGint height = vgGeti(VG_MAX_IMAGE_HEIGHT); + + return qMin(width, height); +} + + +QSGSpriteNode *QSGOpenVGContext::createSpriteNode() +{ + return new QSGOpenVGSpriteNode(); +} + +QSGRendererInterface *QSGOpenVGContext::rendererInterface(QSGRenderContext *renderContext) +{ + return static_cast<QSGOpenVGRenderContext *>(renderContext); +} + +QSGRendererInterface::GraphicsApi QSGOpenVGRenderContext::graphicsApi() const +{ + return OpenVG; +} + +QSGRendererInterface::ShaderType QSGOpenVGRenderContext::shaderType() const +{ + return UnknownShadingLanguage; +} + +QSGRendererInterface::ShaderCompilationTypes QSGOpenVGRenderContext::shaderCompilationType() const +{ + return 0; +} + +QSGRendererInterface::ShaderSourceTypes QSGOpenVGRenderContext::shaderSourceType() const +{ + return 0; +} + +QSGOpenVGFontGlyphCache *QSGOpenVGRenderContext::glyphCache(const QRawFont &rawFont) +{ + if (!m_glyphCacheManager) + m_glyphCacheManager = new QSGOpenVGFontGlyphCacheManager; + + QSGOpenVGFontGlyphCache *cache = m_glyphCacheManager->cache(rawFont); + if (!cache) { + cache = new QSGOpenVGFontGlyphCache(m_glyphCacheManager, rawFont); + m_glyphCacheManager->insertCache(rawFont, cache); + } + + return cache; +} + +QT_END_NAMESPACE |