diff options
Diffstat (limited to 'src/hardwareintegration')
-rw-r--r-- | src/hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp | 30 | ||||
-rw-r--r-- | src/hardwareintegration/client/wayland-egl/qwaylandglcontext.h | 1 |
2 files changed, 30 insertions, 1 deletions
diff --git a/src/hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp b/src/hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp index 18ed1d61..b8ba4c63 100644 --- a/src/hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp +++ b/src/hardwareintegration/client/wayland-egl/qwaylandglcontext.cpp @@ -35,6 +35,7 @@ #include <QtWaylandClient/private/qwaylanddisplay_p.h> #include <QtWaylandClient/private/qwaylandwindow_p.h> +#include <QtWaylandClient/private/qwaylandsubsurface_p.h> #include <QtWaylandClient/private/qwaylandabstractdecoration_p.h> #include <QtWaylandClient/private/qwaylandintegration_p.h> #include "qwaylandeglwindow.h" @@ -50,6 +51,8 @@ #include <QtGui/QOpenGLShaderProgram> #include <QtGui/QOpenGLFunctions> +#include <QtCore/qmutex.h> + // Constants from EGL_KHR_create_context #ifndef EGL_CONTEXT_MINOR_VERSION_KHR #define EGL_CONTEXT_MINOR_VERSION_KHR 0x30FB @@ -220,6 +223,7 @@ QWaylandGLContext::QWaylandGLContext(EGLDisplay eglDisplay, QWaylandDisplay *dis , m_display(display) , m_blitter(0) , mUseNativeDefaultFbo(false) + , mSupportNonBlockingSwap(true) { QSurfaceFormat fmt = format; if (static_cast<QWaylandIntegration *>(QGuiApplicationPrivate::platformIntegration())->display()->supportsWindowDecoration()) @@ -290,6 +294,17 @@ QWaylandGLContext::QWaylandGLContext(EGLDisplay eglDisplay, QWaylandDisplay *dis return; } + EGLint a = EGL_MIN_SWAP_INTERVAL; + EGLint b = EGL_MAX_SWAP_INTERVAL; + if (!eglGetConfigAttrib(m_eglDisplay, m_config, a, &a) || + !eglGetConfigAttrib(m_eglDisplay, m_config, b, &b) || + a > 0) { + mSupportNonBlockingSwap = false; + } + if (!mSupportNonBlockingSwap) { + qWarning() << "Non-blocking swap buffers not supported. Subsurface rendering can be affected."; + } + updateGLFormat(); } @@ -518,7 +533,20 @@ void QWaylandGLContext::swapBuffers(QPlatformSurface *surface) m_blitter->blit(window); } - eglSwapBuffers(m_eglDisplay, eglSurface); + + QWaylandSubSurface *sub = window->subSurfaceWindow(); + if (sub) { + QMutexLocker l(sub->syncMutex()); + + int si = (sub->isSync() && mSupportNonBlockingSwap) ? 0 : m_format.swapInterval(); + + eglSwapInterval(m_eglDisplay, si); + eglSwapBuffers(m_eglDisplay, eglSurface); + } else { + eglSwapInterval(m_eglDisplay, m_format.swapInterval()); + eglSwapBuffers(m_eglDisplay, eglSurface); + } + window->setCanResize(true); } diff --git a/src/hardwareintegration/client/wayland-egl/qwaylandglcontext.h b/src/hardwareintegration/client/wayland-egl/qwaylandglcontext.h index bc92c950..42236c64 100644 --- a/src/hardwareintegration/client/wayland-egl/qwaylandglcontext.h +++ b/src/hardwareintegration/client/wayland-egl/qwaylandglcontext.h @@ -86,6 +86,7 @@ private: DecorationsBlitter *m_blitter; bool mUseNativeDefaultFbo; uint m_api; + bool mSupportNonBlockingSwap; friend class DecorationsBlitter; }; |