diff options
author | Laszlo Agocs <laszlo.agocs@theqtcompany.com> | 2016-06-10 09:32:24 +0000 |
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committer | The Qt Project <gerrit-noreply@qt-project.org> | 2016-06-10 09:32:24 +0000 |
commit | c9d8b85ec9efd90f9bd8071a58dc04f54c2c365d (patch) | |
tree | 34179a1dfbb17de5affde7ac6305b4a9d295fc82 /src/quick/items/context2d/qquickcontext2d.cpp | |
parent | 4de6c1bc6cc1894f9f60cfef6d403a933d2c18cd (diff) | |
parent | 272b9a8ad6d1a1c3ea3e4aa64fb9f94d163a562f (diff) |
Merge "Merge remote-tracking branch 'origin/wip/scenegraphng' into dev" into refs/staging/dev
Diffstat (limited to 'src/quick/items/context2d/qquickcontext2d.cpp')
-rw-r--r-- | src/quick/items/context2d/qquickcontext2d.cpp | 45 |
1 files changed, 39 insertions, 6 deletions
diff --git a/src/quick/items/context2d/qquickcontext2d.cpp b/src/quick/items/context2d/qquickcontext2d.cpp index 10b02b1f32..b924701f2b 100644 --- a/src/quick/items/context2d/qquickcontext2d.cpp +++ b/src/quick/items/context2d/qquickcontext2d.cpp @@ -43,6 +43,7 @@ #include <private/qquickcontext2dtexture_p.h> #include <private/qquickitem_p.h> #include <QtQuick/private/qquickshadereffectsource_p.h> +#include <qsgrendererinterface.h> #include <QtQuick/private/qsgcontext_p.h> #include <private/qquicksvgparser_p.h> @@ -74,6 +75,10 @@ #include <private/qguiapplication_p.h> #include <qpa/qplatformintegration.h> +#ifndef QT_NO_OPENGL +# include <private/qsgdefaultrendercontext_p.h> +#endif + #include <cmath> #if defined(Q_OS_QNX) || defined(Q_OS_ANDROID) #include <ctype.h> @@ -3980,10 +3985,12 @@ public: ~QQuickContext2DThreadCleanup() { +#ifndef QT_NO_OPENGL context->makeCurrent(surface); delete texture; context->doneCurrent(); delete context; +#endif surface->deleteLater(); } @@ -4019,6 +4026,7 @@ QQuickContext2D::~QQuickContext2D() delete m_buffer; if (m_renderTarget == QQuickCanvasItem::FramebufferObject) { +#ifndef QT_NO_OPENGL if (m_renderStrategy == QQuickCanvasItem::Immediate && m_glContext) { Q_ASSERT(QThread::currentThread() == m_glContext->thread()); m_glContext->makeCurrent(m_surface.data()); @@ -4039,6 +4047,7 @@ QQuickContext2D::~QQuickContext2D() m_texture->deleteLater(); } } +#endif } else { // Image based does not have GL resources, but must still be deleted // on its designated thread after it has completed whatever it might @@ -4064,8 +4073,6 @@ void QQuickContext2D::init(QQuickCanvasItem *canvasItem, const QVariantMap &args m_canvas = canvasItem; m_renderTarget = canvasItem->renderTarget(); - - QQuickWindow *window = canvasItem->window(); m_renderStrategy = canvasItem->renderStrategy(); #ifdef Q_OS_WIN @@ -4084,12 +4091,24 @@ void QQuickContext2D::init(QQuickCanvasItem *canvasItem, const QVariantMap &args m_renderTarget = QQuickCanvasItem::Image; } + // Disable Framebuffer Object based rendering when not running with OpenGL + if (m_renderTarget == QQuickCanvasItem::FramebufferObject) { + QSGRendererInterface *rif = canvasItem->window()->rendererInterface(); + if (rif && rif->graphicsApi() != QSGRendererInterface::OpenGL) + m_renderTarget = QQuickCanvasItem::Image; + } + switch (m_renderTarget) { case QQuickCanvasItem::Image: m_texture = new QQuickContext2DImageTexture; break; case QQuickCanvasItem::FramebufferObject: +#ifndef QT_NO_OPENGL m_texture = new QQuickContext2DFBOTexture; +#else + // It shouldn't be possible to use a FramebufferObject without OpenGL + m_texture = nullptr; +#endif break; } @@ -4103,18 +4122,27 @@ void QQuickContext2D::init(QQuickCanvasItem *canvasItem, const QVariantMap &args m_thread = QThread::currentThread(); QThread *renderThread = m_thread; - QThread *sceneGraphThread = window->openglContext() ? window->openglContext()->thread() : 0; +#ifndef QT_NO_OPENGL + QQuickWindow *window = canvasItem->window(); + QQuickWindowPrivate *wd = QQuickWindowPrivate::get(window); + QThread *sceneGraphThread = wd->context->thread(); if (m_renderStrategy == QQuickCanvasItem::Threaded) renderThread = QQuickContext2DRenderThread::instance(qmlEngine(canvasItem)); else if (m_renderStrategy == QQuickCanvasItem::Cooperative) renderThread = sceneGraphThread; +#else + if (m_renderStrategy == QQuickCanvasItem::Threaded) + renderThread = QQuickContext2DRenderThread::instance(qmlEngine(canvasItem)); +#endif + if (renderThread && renderThread != QThread::currentThread()) m_texture->moveToThread(renderThread); - +#ifndef QT_NO_OPENGL if (m_renderTarget == QQuickCanvasItem::FramebufferObject && renderThread != sceneGraphThread) { - QOpenGLContext *cc = QQuickWindowPrivate::get(window)->context->openglContext(); + auto openglRenderContext = static_cast<const QSGDefaultRenderContext *>(QQuickWindowPrivate::get(window)->context); + QOpenGLContext *cc = openglRenderContext->openglContext(); m_surface.reset(new QOffscreenSurface); m_surface->setFormat(window->format()); m_surface->create(); @@ -4125,7 +4153,7 @@ void QQuickContext2D::init(QQuickCanvasItem *canvasItem, const QVariantMap &args m_glContext->moveToThread(renderThread); m_texture->initializeOpenGL(m_glContext, m_surface.data()); } - +#endif connect(m_texture, SIGNAL(textureChanged()), SIGNAL(textureChanged())); reset(); @@ -4172,6 +4200,7 @@ QImage QQuickContext2D::toImage(const QRectF& bounds) flush(); m_texture->grabImage(bounds); } else { +#ifndef QT_NO_OPENGL QQuickWindow *window = m_canvas->window(); QOpenGLContext *ctx = window ? window->openglContext() : 0; if (ctx && ctx->isValid()) { @@ -4187,6 +4216,10 @@ QImage QQuickContext2D::toImage(const QRectF& bounds) qWarning() << "Cannot read pixels from canvas before opengl context is valid"; return QImage(); } +#else + flush(); + m_texture->grabImage(bounds); +#endif } } else if (m_renderStrategy == QQuickCanvasItem::Cooperative) { qWarning() << "Pixel readback is not supported in Cooperative mode, please try Threaded or Immediate mode"; |