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| author | Tom Cooksey <thomas.cooksey@nokia.com> | 2010-02-18 08:58:57 (GMT) |
|---|---|---|
| committer | Tom Cooksey <thomas.cooksey@nokia.com> | 2010-03-02 08:24:24 (GMT) |
| commit | 551b41e20118b66edb37704a0cfbfe5d3a960067 (patch) | |
| tree | a8d838511a3df2cd72babbdc6378863077b6d0b1 /src/gui/egl/qeglproperties.cpp | |
| parent | d0a2d10dfac7be20af78988a3351d374acfdd208 (diff) | |
| download | Qt-551b41e20118b66edb37704a0cfbfe5d3a960067.zip Qt-551b41e20118b66edb37704a0cfbfe5d3a960067.tar.gz Qt-551b41e20118b66edb37704a0cfbfe5d3a960067.tar.bz2 | |
Add QEgl::defaultConfig method to select configs suitable for Qt
Reviewed-By: TrustMe
Diffstat (limited to 'src/gui/egl/qeglproperties.cpp')
| -rw-r--r-- | src/gui/egl/qeglproperties.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/src/gui/egl/qeglproperties.cpp b/src/gui/egl/qeglproperties.cpp index 86e158b..e0e8481 100644 --- a/src/gui/egl/qeglproperties.cpp +++ b/src/gui/egl/qeglproperties.cpp @@ -230,6 +230,16 @@ void QEglProperties::setRenderableType(QEgl::API api) // reductions in complexity are possible. bool QEglProperties::reduceConfiguration() { +#ifdef EGL_VG_ALPHA_FORMAT_PRE_BIT + // For OpenVG, we sometimes try to create a surface using a pre-multiplied format. If we can't + // find a config which supports pre-multiplied formats, remove the flag on the surface type: + EGLint surfaceType = value(EGL_SURFACE_TYPE); + if (surfaceType & EGL_VG_ALPHA_FORMAT_PRE_BIT) { + surfaceType ^= EGL_VG_ALPHA_FORMAT_PRE_BIT; + setValue(EGL_SURFACE_TYPE, surfaceType); + return true; + } +#endif // EGL chooses configs with the highest color depth over // those with smaller (but faster) lower color depths. One // way around this is to set EGL_BUFFER_SIZE to 16, which |