diff options
Diffstat (limited to 'dist')
| -rw-r--r-- | dist/changes-4.6.0 | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/dist/changes-4.6.0 b/dist/changes-4.6.0 index ca984ac..f9984d3 100644 --- a/dist/changes-4.6.0 +++ b/dist/changes-4.6.0 @@ -54,8 +54,15 @@ 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 surround your custom - OpenGL calls with QPainter::beginNativePainting() and + - The default engine used to draw onto OpenGL buffers has changed in + Qt 4.6. The QPaintEngine::OpenGL2 engine is now used as the default + engine. This *may* cause compatibility problems for applications + that use a mix of QPainter and native OpenGL calls to draw into a GL + buffer. Use the QGL::setPreferredPaintEngine() function to enforce + usage of the old GL paint engine. + + - 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 |