diff options
| author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2016-11-10 12:45:49 +0100 |
|---|---|---|
| committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2016-11-10 16:14:51 +0000 |
| commit | 467b15a20c3d6eb611ea5f6ccffd5fc0df81b0c4 (patch) | |
| tree | 1bff11fa019cebd2242c856301b7bd28462a9f6c /src/gui/kernel/qopenglcontext.cpp | |
| parent | 5cff7d2b679d48a247b4630cb9e3d5b04fab0b55 (diff) | |
Improve use of QHash to minimize double hashing
Avoid looking up by key twice in a row in various locations, but instead
using iterators and index lookup.
Change-Id: I61a079115199ab9c041ad3a26d36b45ee3f775e0
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Diffstat (limited to 'src/gui/kernel/qopenglcontext.cpp')
| -rw-r--r-- | src/gui/kernel/qopenglcontext.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/gui/kernel/qopenglcontext.cpp b/src/gui/kernel/qopenglcontext.cpp index 7e5697e5d8..8aea593bf0 100644 --- a/src/gui/kernel/qopenglcontext.cpp +++ b/src/gui/kernel/qopenglcontext.cpp @@ -848,14 +848,15 @@ QAbstractOpenGLFunctions *QOpenGLContext::versionFunctions(const QOpenGLVersionP // Create object if suitable one not cached QAbstractOpenGLFunctions* funcs = 0; - if (!d->versionFunctions.contains(vp)) { + auto it = d->versionFunctions.constFind(vp); + if (it == d->versionFunctions.constEnd()) { funcs = QOpenGLVersionFunctionsFactory::create(vp); if (funcs) { funcs->setOwningContext(this); d->versionFunctions.insert(vp, funcs); } } else { - funcs = d->versionFunctions.value(vp); + funcs = it.value(); } if (funcs && QOpenGLContext::currentContext() == this) |