diff options
| author | Ilya Fedin <fedin-ilja2010@ya.ru> | 2021-10-05 04:31:47 +0400 |
|---|---|---|
| committer | Ilya Fedin <fedin-ilja2010@ya.ru> | 2022-07-05 23:53:31 +0400 |
| commit | 49d29440457a89bb0438ed882eb47f4f28fd328a (patch) | |
| tree | e39ddac4907afa0583321d0cc3fb77d405c806d0 /src/plugins/platforms/xcb | |
| parent | 3ca167a30e2b006c93ff208c81933136c435bcde (diff) | |
Make EGL use Qt X connection without xcb_xlib with EGL_EXT_platform_xcb
This allows to create EGL context without involving Xlib.
This extension was created a year ago and is present in Mesa since 21.0
Change-Id: I7cb0aece1e67b4db59d453cbcfbd317bb5d9c777
Reviewed-by: Liang Qi <liang.qi@qt.io>
Diffstat (limited to 'src/plugins/platforms/xcb')
| -rw-r--r-- | src/plugins/platforms/xcb/gl_integrations/xcb_egl/qxcbeglintegration.cpp | 24 | ||||
| -rw-r--r-- | src/plugins/platforms/xcb/gl_integrations/xcb_egl/qxcbeglintegration.h | 1 |
2 files changed, 13 insertions, 12 deletions
diff --git a/src/plugins/platforms/xcb/gl_integrations/xcb_egl/qxcbeglintegration.cpp b/src/plugins/platforms/xcb/gl_integrations/xcb_egl/qxcbeglintegration.cpp index 08c34cc495..1e93ea6805 100644 --- a/src/plugins/platforms/xcb/gl_integrations/xcb_egl/qxcbeglintegration.cpp +++ b/src/plugins/platforms/xcb/gl_integrations/xcb_egl/qxcbeglintegration.cpp @@ -74,15 +74,26 @@ bool QXcbEglIntegration::initialize(QXcbConnection *connection) const char *extensions = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS); +#if QT_CONFIG(xcb_xlib) if (extensions && strstr(extensions, "EGL_EXT_platform_x11")) { QEGLStreamConvenience streamFuncs; m_egl_display = streamFuncs.get_platform_display(EGL_PLATFORM_X11_KHR, - xlib_display(), + m_connection->xlib_display(), nullptr); } +#if QT_CONFIG(egl_x11) if (!m_egl_display) - m_egl_display = eglGetDisplay(reinterpret_cast<EGLNativeDisplayType>(xlib_display())); + m_egl_display = eglGetDisplay(reinterpret_cast<EGLNativeDisplayType>(m_connection->xlib_display())); +#endif +#else + if (extensions && (strstr(extensions, "EGL_EXT_platform_xcb") || strstr(extensions, "EGL_MESA_platform_xcb"))) { + QEGLStreamConvenience streamFuncs; + m_egl_display = streamFuncs.get_platform_display(EGL_PLATFORM_XCB_KHR, + reinterpret_cast<void *>(connection->xcb_connection()), + nullptr); + } +#endif EGLint major, minor; bool success = eglInitialize(m_egl_display, &major, &minor); @@ -127,15 +138,6 @@ QPlatformOffscreenSurface *QXcbEglIntegration::createPlatformOffscreenSurface(QO return new QEGLPbuffer(eglDisplay(), screen->surfaceFormatFor(surface->requestedFormat()), surface); } -void *QXcbEglIntegration::xlib_display() const -{ -#if QT_CONFIG(xcb_xlib) - return m_connection->xlib_display(); -#else - return EGL_DEFAULT_DISPLAY; -#endif -} - xcb_visualid_t QXcbEglIntegration::getCompatibleVisualId(xcb_screen_t *screen, EGLConfig config) const { xcb_visualid_t visualId = 0; diff --git a/src/plugins/platforms/xcb/gl_integrations/xcb_egl/qxcbeglintegration.h b/src/plugins/platforms/xcb/gl_integrations/xcb_egl/qxcbeglintegration.h index 194b6d6e77..ff0804678f 100644 --- a/src/plugins/platforms/xcb/gl_integrations/xcb_egl/qxcbeglintegration.h +++ b/src/plugins/platforms/xcb/gl_integrations/xcb_egl/qxcbeglintegration.h @@ -38,7 +38,6 @@ public: bool supportsThreadedOpenGL() const override { return true; } EGLDisplay eglDisplay() const { return m_egl_display; } - void *xlib_display() const; xcb_visualid_t getCompatibleVisualId(xcb_screen_t *screen, EGLConfig config) const; private: |