diff options
Diffstat (limited to 'src/opengl/qgl_qpa.cpp')
| -rw-r--r-- | src/opengl/qgl_qpa.cpp | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/src/opengl/qgl_qpa.cpp b/src/opengl/qgl_qpa.cpp index 5eaaee9702..9c3d4246ae 100644 --- a/src/opengl/qgl_qpa.cpp +++ b/src/opengl/qgl_qpa.cpp @@ -83,21 +83,21 @@ QGLFormat QGLFormat::fromWindowFormat(const QWindowFormat &format) QWindowFormat QGLFormat::toWindowFormat(const QGLFormat &format) { QWindowFormat retFormat; - if (format.alphaBufferSize() >= 0) - retFormat.setAlphaBufferSize(format.alphaBufferSize()); + if (format.alpha()) + retFormat.setAlphaBufferSize(format.alphaBufferSize() == -1 ? 1 : format.alphaBufferSize()); if (format.blueBufferSize() >= 0) retFormat.setBlueBufferSize(format.blueBufferSize()); if (format.greenBufferSize() >= 0) retFormat.setGreenBufferSize(format.greenBufferSize()); if (format.redBufferSize() >= 0) retFormat.setRedBufferSize(format.redBufferSize()); - if (format.depthBufferSize() >= 0) - retFormat.setDepthBufferSize(format.depthBufferSize()); + if (format.depth()) + retFormat.setDepthBufferSize(format.depthBufferSize() == -1 ? 1 : format.depthBufferSize()); retFormat.setSwapBehavior(format.doubleBuffer() ? QWindowFormat::DoubleBuffer : QWindowFormat::DefaultSwapBehavior); - if (format.sampleBuffers() && format.samples() > 1) - retFormat.setSamples(format.samples()); - if (format.stencil() && format.stencilBufferSize() > 0) - retFormat.setStencilBufferSize(format.stencilBufferSize()); + if (format.sampleBuffers()) + retFormat.setSamples(format.samples() == -1 ? 4 : format.samples()); + if (format.stencil()) + retFormat.setStencilBufferSize(format.stencilBufferSize() == -1 ? 1 : format.stencilBufferSize()); retFormat.setStereo(format.stereo()); return retFormat; } @@ -138,6 +138,8 @@ bool QGLContext::chooseContext(const QGLContext* shareContext) winFormat.setSharedContext(shareContext->d_func()->windowContext); } widget->windowHandle()->setSurfaceType(QWindow::OpenGLSurface); + if (widget->testAttribute(Qt::WA_TranslucentBackground)) + winFormat.setAlphaBufferSize(qMax(winFormat.alphaBufferSize(), 8)); winFormat.setWindowSurface(false); widget->windowHandle()->setWindowFormat(winFormat); widget->winId();//make window |