diff options
Diffstat (limited to 'src/quick/items/qquickshadereffectsource.cpp')
| -rw-r--r-- | src/quick/items/qquickshadereffectsource.cpp | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/quick/items/qquickshadereffectsource.cpp b/src/quick/items/qquickshadereffectsource.cpp index bf69fe4277..2effc0d0ae 100644 --- a/src/quick/items/qquickshadereffectsource.cpp +++ b/src/quick/items/qquickshadereffectsource.cpp @@ -189,6 +189,7 @@ QQuickShaderEffectSource::QQuickShaderEffectSource(QQuickItem *parent) , m_mipmap(false) , m_recursive(false) , m_grab(true) + , m_textureMirroring(MirrorVertically) { setFlag(ItemHasContents); } @@ -543,6 +544,37 @@ void QQuickShaderEffectSource::setRecursive(bool enabled) } /*! + \qmlproperty enumeration QtQuick::ShaderEffectSource::textureMirroring + \since 5.6 + + This property defines how the generated OpenGL texture should be mirrored. + The default value is \c{ShaderEffectSource.MirrorVertically}. + Custom mirroring can be useful if the generated texture is directly accessed by custom shaders, + such as those specified by ShaderEffect. Mirroring has no effect on the UI representation of + the ShaderEffectSource item itself. + + \list + \li ShaderEffectSource.NoMirroring - No mirroring + \li ShaderEffectSource.MirrorHorizontally - The generated texture is flipped along X-axis. + \li ShaderEffectSource.MirrorVertically - The generated texture is flipped along Y-axis. + \endlist +*/ + +QQuickShaderEffectSource::TextureMirroring QQuickShaderEffectSource::textureMirroring() const +{ + return QQuickShaderEffectSource::TextureMirroring(m_textureMirroring); +} + +void QQuickShaderEffectSource::setTextureMirroring(TextureMirroring mirroring) +{ + if (mirroring == QQuickShaderEffectSource::TextureMirroring(m_textureMirroring)) + return; + m_textureMirroring = mirroring; + update(); + emit textureMirroringChanged(); +} + +/*! \qmlmethod QtQuick::ShaderEffectSource::scheduleUpdate() Schedules a re-rendering of the texture for the next frame. @@ -642,6 +674,8 @@ QSGNode *QQuickShaderEffectSource::updatePaintNode(QSGNode *oldNode, UpdatePaint m_texture->setRecursive(m_recursive); m_texture->setFormat(GLenum(m_format)); m_texture->setHasMipmaps(m_mipmap); + m_texture->setMirrorHorizontal(m_textureMirroring & MirrorHorizontally); + m_texture->setMirrorVertical(m_textureMirroring & MirrorVertically); if (m_grab) m_texture->scheduleUpdate(); |