diff options
Diffstat (limited to 'src/plugins/platforms/ios/qioscontext.mm')
| -rw-r--r-- | src/plugins/platforms/ios/qioscontext.mm | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/plugins/platforms/ios/qioscontext.mm b/src/plugins/platforms/ios/qioscontext.mm index 9467cfdb42..807c75df54 100644 --- a/src/plugins/platforms/ios/qioscontext.mm +++ b/src/plugins/platforms/ios/qioscontext.mm @@ -58,10 +58,11 @@ QIOSContext::QIOSContext(QOpenGLContext *context) m_format.setMajorVersion(2); m_format.setMinorVersion(0); - // Even though iOS internally double-buffers its rendering, we - // report single-buffered here since the buffer remains unchanged - // when swapping unlesss you manually clear it yourself. - m_format.setSwapBehavior(QSurfaceFormat::SingleBuffer); + // iOS internally double-buffers its rendering using copy instead of flipping, + // so technically we could report that we are single-buffered so that clients + // could take advantage of the unchanged buffer, but this means clients (and Qt) + // will also assume that swapBufferes() is not needed, which is _not_ the case. + m_format.setSwapBehavior(QSurfaceFormat::DoubleBuffer); } QIOSContext::~QIOSContext() |