diff options
Diffstat (limited to 'src/plugins/platforms/ios/qioscontext.mm')
| -rw-r--r-- | src/plugins/platforms/ios/qioscontext.mm | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/plugins/platforms/ios/qioscontext.mm b/src/plugins/platforms/ios/qioscontext.mm index a35b4f164c..1ea040308f 100644 --- a/src/plugins/platforms/ios/qioscontext.mm +++ b/src/plugins/platforms/ios/qioscontext.mm @@ -113,6 +113,11 @@ bool QIOSContext::makeCurrent(QPlatformSurface *surface) Q_ASSERT(surface && surface->surface()->surfaceType() == QSurface::OpenGLSurface); [EAGLContext setCurrentContext:m_eaglContext]; + + // For offscreen surfaces we don't prepare a default FBO + if (surface->surface()->surfaceClass() == QSurface::Offscreen) + return true; + FramebufferObject &framebufferObject = backingFramebufferObjectFor(surface); // We bind the default FBO even if it's incomplete, so that clients who @@ -131,6 +136,10 @@ void QIOSContext::doneCurrent() void QIOSContext::swapBuffers(QPlatformSurface *surface) { Q_ASSERT(surface && surface->surface()->surfaceType() == QSurface::OpenGLSurface); + + if (surface->surface()->surfaceClass() == QSurface::Offscreen) + return; // Nothing to do + Q_ASSERT(surface->surface()->surfaceClass() == QSurface::Window); QIOSWindow *window = static_cast<QIOSWindow *>(surface); Q_ASSERT(m_framebufferObjects.contains(window)); @@ -213,6 +222,13 @@ QIOSContext::FramebufferObject &QIOSContext::backingFramebufferObjectFor(QPlatfo GLuint QIOSContext::defaultFramebufferObject(QPlatformSurface *surface) const { + if (surface->surface()->surfaceClass() == QSurface::Offscreen) { + // Binding and rendering to the zero-FBO on iOS seems to be + // no-ops, so we can safely return 0 here, even if it's not + // really a valid FBO on iOS. + return 0; + } + return backingFramebufferObjectFor(surface).handle; } |