diff options
Diffstat (limited to 'src/opengl/qgl_symbian.cpp')
| -rw-r--r-- | src/opengl/qgl_symbian.cpp | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/src/opengl/qgl_symbian.cpp b/src/opengl/qgl_symbian.cpp index 0148304547..7d343f66a2 100644 --- a/src/opengl/qgl_symbian.cpp +++ b/src/opengl/qgl_symbian.cpp @@ -181,14 +181,19 @@ bool QGLContext::chooseContext(const QGLContext* shareContext) // almost same as d->ownsEglContext = true; d->eglContext->setApi(QEgl::OpenGL); - // Allow apps to override ability to use multisampling by setting an environment variable. Eg: - // qputenv("QT_SYMBIAN_DISABLE_GL_MULTISAMPLE", "1"); - // Added to allow camera app to start with limited memory. - if (!QSymbianGraphicsSystemEx::hasBCM2727() && !qgetenv("QT_SYMBIAN_DISABLE_GL_MULTISAMPLE").toInt()) { - // Most likely we have hw support for multisampling - // so let's enable it. - d->glFormat.setSampleBuffers(1); - d->glFormat.setSamples(4); + if (d->glFormat.samples() == EGL_DONT_CARE) { + // Allow apps to override ability to use multisampling by setting an environment variable. Eg: + // qputenv("QT_SYMBIAN_DISABLE_GL_MULTISAMPLE", "1"); + // Added to allow camera app to start with limited memory. + if (!QSymbianGraphicsSystemEx::hasBCM2727() && !qgetenv("QT_SYMBIAN_DISABLE_GL_MULTISAMPLE").toInt()) { + // Most likely we have hw support for multisampling + // so let's enable it. + d->glFormat.setSampleBuffers(1); + d->glFormat.setSamples(4); + } else { + d->glFormat.setSampleBuffers(0); + d->glFormat.setSamples(1); + } } // If the device is a widget with WA_TranslucentBackground set, make sure the glFormat |