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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 |