diff options
author | Laszlo Agocs <laszlo.agocs@digia.com> | 2014-09-16 14:12:54 +0200 |
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committer | Laszlo Agocs <laszlo.agocs@digia.com> | 2014-10-10 08:36:47 +0200 |
commit | 1f040d401d322cec9dc56c93e78899a429cb6e5a (patch) | |
tree | a604b60b9964f098dd07e66204abd7b564e5f3d8 /src/plugins/platforms/eglfs/qeglfscontext.cpp | |
parent | 881ceeff428c377d02ae3881beccdbb028385075 (diff) |
eglfs: Add support for systems without pbuffer support
Use a small native window and window surface in case the hooks indicate
that pbuffer support is not available.
Change-Id: I6515309041f0e1e2f5321d59941f35d6ee16dca7
Reviewed-by: Louai Al-Khanji <louai.al-khanji@digia.com>
Reviewed-by: Jørgen Lind <jorgen.lind@digia.com>
Diffstat (limited to 'src/plugins/platforms/eglfs/qeglfscontext.cpp')
-rw-r--r-- | src/plugins/platforms/eglfs/qeglfscontext.cpp | 30 |
1 files changed, 29 insertions, 1 deletions
diff --git a/src/plugins/platforms/eglfs/qeglfscontext.cpp b/src/plugins/platforms/eglfs/qeglfscontext.cpp index 802699bbd7..310b460087 100644 --- a/src/plugins/platforms/eglfs/qeglfscontext.cpp +++ b/src/plugins/platforms/eglfs/qeglfscontext.cpp @@ -45,7 +45,8 @@ QT_BEGIN_NAMESPACE QEglFSContext::QEglFSContext(const QSurfaceFormat &format, QPlatformOpenGLContext *share, EGLDisplay display, EGLConfig *config, const QVariant &nativeHandle) - : QEGLPlatformContext(format, share, display, config, nativeHandle) + : QEGLPlatformContext(format, share, display, config, nativeHandle), + m_tempWindow(0) { } @@ -57,6 +58,33 @@ EGLSurface QEglFSContext::eglSurfaceForPlatformSurface(QPlatformSurface *surface return static_cast<QEGLPbuffer *>(surface)->pbuffer(); } +EGLSurface QEglFSContext::createTemporaryOffscreenSurface() +{ + if (QEglFSHooks::hooks()->supportsPBuffers()) + return QEGLPlatformContext::createTemporaryOffscreenSurface(); + + if (!m_tempWindow) { + m_tempWindow = QEglFSHooks::hooks()->createNativeOffscreenWindow(format()); + if (!m_tempWindow) { + qWarning("QEglFSContext: Failed to create temporary native window"); + return EGL_NO_SURFACE; + } + } + EGLConfig config = q_configFromGLFormat(eglDisplay(), format()); + return eglCreateWindowSurface(eglDisplay(), config, m_tempWindow, 0); +} + +void QEglFSContext::destroyTemporaryOffscreenSurface(EGLSurface surface) +{ + if (QEglFSHooks::hooks()->supportsPBuffers()) { + QEGLPlatformContext::destroyTemporaryOffscreenSurface(surface); + } else { + eglDestroySurface(eglDisplay(), surface); + QEglFSHooks::hooks()->destroyNativeWindow(m_tempWindow); + m_tempWindow = 0; + } +} + void QEglFSContext::swapBuffers(QPlatformSurface *surface) { // draw the cursor |