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| author | Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@nokia.com> | 2010-01-29 15:53:39 (GMT) |
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| committer | Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@nokia.com> | 2010-01-29 15:53:39 (GMT) |
| commit | da388773f581e251054abd037dc410ae52cfa69c (patch) | |
| tree | 5801db3f2793ff9b9d418b25814db50880427550 /dist | |
| parent | 951922772c0c5f8b8833c2793064f8c6ebeecd9c (diff) | |
| download | Qt-da388773f581e251054abd037dc410ae52cfa69c.zip Qt-da388773f581e251054abd037dc410ae52cfa69c.tar.gz Qt-da388773f581e251054abd037dc410ae52cfa69c.tar.bz2 | |
Improve performance of QStaticText on OpenGL by caching data on GPU
There's a big improvement to be seen in the OpenGL engine by caching
the vertex data for the QStaticText in VBOs. In order to have the
buffers properly disposed, I've implemented a userdata concept for
QStaticTextItem. By default, the optimizations will be turned off, and
can be turned on by using the useBackendOptimizations flag.
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