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| author | Tom Cooksey <thomas.cooksey@nokia.com> | 2009-05-27 09:45:52 (GMT) |
|---|---|---|
| committer | Tom Cooksey <thomas.cooksey@nokia.com> | 2009-05-27 10:46:17 (GMT) |
| commit | 73e7d0cbed0261715f534d95f81055bf97ce4314 (patch) | |
| tree | c47c09db97ea0feac9e6dad40ea2e68105abd2c2 /src/opengl/qpaintengine_opengl.cpp | |
| parent | 855022d6108f6b3c90832e742217c50550af717d (diff) | |
| download | Qt-73e7d0cbed0261715f534d95f81055bf97ce4314.zip Qt-73e7d0cbed0261715f534d95f81055bf97ce4314.tar.gz Qt-73e7d0cbed0261715f534d95f81055bf97ce4314.tar.bz2 | |
Make WA_TranslucentBackground work on QGLWidget for X11
This patch enables QGLWidget's to have an ARGB visual on X11, alowing GL
rendering on semi-transparent windows.
Reviewed-By: Trond
Diffstat (limited to 'src/opengl/qpaintengine_opengl.cpp')
| -rw-r--r-- | src/opengl/qpaintengine_opengl.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/opengl/qpaintengine_opengl.cpp b/src/opengl/qpaintengine_opengl.cpp index d98cd7c..d5bf1dc 100644 --- a/src/opengl/qpaintengine_opengl.cpp +++ b/src/opengl/qpaintengine_opengl.cpp @@ -1331,7 +1331,7 @@ bool QOpenGLPaintEngine::begin(QPaintDevice *pdev) d->offscreen.begin(); const QColor &c = d->drawable.backgroundColor(); - glClearColor(c.redF(), c.greenF(), c.blueF(), 1.0); + glClearColor(c.redF(), c.greenF(), c.blueF(), d->drawable.format().alpha() ? c.alphaF() : 1.0); if (d->drawable.context()->d_func()->clear_on_painter_begin && d->drawable.autoFillBackground()) { GLbitfield clearBits = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT; #ifndef QT_OPENGL_ES |