diff options
Diffstat (limited to 'dist/changes-4.6.0')
| -rw-r--r-- | dist/changes-4.6.0 | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/dist/changes-4.6.0 b/dist/changes-4.6.0 index 8c2c2c8..194d670 100644 --- a/dist/changes-4.6.0 +++ b/dist/changes-4.6.0 @@ -49,10 +49,13 @@ information about a particular change. this is that Nokia focuses on OpenGL for desktop hardware accelerated rendering. - - When mixing OpenGL and QPainter calls you need to first call syncState() - on the paint engine, for example "painter->paintEngine()->syncState()". - This is to ensure that the engine flushes any pending drawing and sets up - the GL modelview/projection matrices properly. + - When mixing OpenGL and QPainter calls you need to surround your custom + OpenGL calls with QPainter::beginNativePainting() and + QPainter::endNativePainting(). + This is to ensure that the paint engine flushes any pending drawing and sets + up the GL modelview/projection matrices properly before you can issue custom + OpenGL calls, and to let the paint engine synchronize to the painter state + before resuming regular QPainter based drawing. - Graphics View has undergone heavy optimization work, and as a result of this work, the following behavior changes were introduced. |