diff options
Diffstat (limited to 'src/opengl/qpixmapdata_x11gl_egl.cpp')
| -rw-r--r-- | src/opengl/qpixmapdata_x11gl_egl.cpp | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/src/opengl/qpixmapdata_x11gl_egl.cpp b/src/opengl/qpixmapdata_x11gl_egl.cpp index 3ab385a..4d726b6 100644 --- a/src/opengl/qpixmapdata_x11gl_egl.cpp +++ b/src/opengl/qpixmapdata_x11gl_egl.cpp @@ -66,7 +66,8 @@ QT_BEGIN_NAMESPACE // different contexts: Q_GLOBAL_STATIC(QEglContext, qt_x11gl_rgbContext); -Q_GLOBAL_STATIC(QEglContext, qt_x11gl_argbContext) +Q_GLOBAL_STATIC(QEglContext, qt_x11gl_argbContext); +Q_GLOBAL_STATIC_WITH_ARGS(QGLContext, qt_x11gl_fake_shared_context, (QX11GLPixmapData::glFormat())); QEglContext* QX11GLPixmapData::rgbContext = 0; QEglContext* QX11GLPixmapData::argbContext = 0; @@ -112,7 +113,13 @@ bool QX11GLPixmapData::hasX11GLPixmaps() if (!argbContext) { argbContext = qt_x11gl_argbContext(); argbContext->setConfig(argbConfig); - argbContext->createContext(); + bool success = argbContext->createContext(rgbContext); + if (!success) { + qWarning("QX11GLPixmapData - RGB & ARGB contexts aren't shared"); + success = argbContext->createContext(); + if (!success) + argbContext = rgbContext; // Might work, worth a shot at least. + } } if (!argbContext->isValid()) @@ -258,6 +265,14 @@ QPaintEngine* QX11GLPixmapData::paintEngine() const ctx = new QGLContext(glFormat()); Q_ASSERT(ctx->d_func()->eglContext == 0); ctx->d_func()->eglContext = hasAlphaChannel() ? argbContext : rgbContext; + + // While we use a seperate QGLContext for each pixmap, the underlying QEglContext is + // the same. So we must use a "fake" QGLContext and fool the texture cache into thinking + // each pixmap's QGLContext is sharing with this central one. The only place this is + // going to fail is where we the underlying EGL RGB and ARGB contexts aren't sharing. + ctx->d_func()->sharing = true; + QGLContextGroup::addShare(ctx, qt_x11gl_fake_shared_context()); + // Update the glFormat for the QGLContext: qt_glformat_from_eglconfig(ctx->d_func()->glFormat, ctx->d_func()->eglContext->config()); } |