| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
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| ** |
| ** This file is part of the QtQuick module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
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| ** GNU Lesser General Public License Usage |
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| ** |
| ** 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 |
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| ****************************************************************************/ |
| |
| #include "qsgopenvgcontext_p.h" |
| #include "qsgopenvgrenderer_p.h" |
| #include "qsgopenvgpublicnodes.h" |
| #include "qsgopenvgtexture.h" |
| #include "qsgopenvglayer.h" |
| #include "qsgopenvgglyphnode_p.h" |
| #include "qsgopenvgfontglyphcache.h" |
| #include "qsgopenvgpainternode.h" |
| #if QT_CONFIG(quick_sprite) |
| #include "qsgopenvgspritenode.h" |
| #endif |
| |
| #include "qopenvgcontext_p.h" |
| |
| #include <private/qsgrenderer_p.h> |
| #include "qsgopenvginternalrectanglenode.h" |
| #include "qsgopenvginternalimagenode.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(const QSGRenderContext::InitParams *params) |
| { |
| const InitParams *vgparams = static_cast<const InitParams *>(params); |
| if (vgparams->sType != INIT_PARAMS_MAGIC) |
| qFatal("Invalid OpenVG render context parameters"); |
| |
| m_vgContext = vgparams->context; |
| QSGRenderContext::initialize(params); |
| emit initialized(); |
| } |
| |
| void QSGOpenVGRenderContext::invalidate() |
| { |
| m_vgContext = nullptr; |
| delete m_glyphCacheManager; |
| m_glyphCacheManager = nullptr; |
| QSGRenderContext::invalidate(); |
| emit invalidated(); |
| } |
| |
| 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(QSGRenderContext *) |
| { |
| 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); |
| } |
| |
| #if QT_CONFIG(quick_sprite) |
| QSGSpriteNode *QSGOpenVGContext::createSpriteNode() |
| { |
| return new QSGOpenVGSpriteNode(); |
| } |
| #endif |
| |
| 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 |