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| author | Laszlo Agocs <laszlo.agocs@theqtcompany.com> | 2015-11-12 17:26:21 +0100 |
|---|---|---|
| committer | Laszlo Agocs <laszlo.agocs@theqtcompany.com> | 2015-11-23 08:31:53 +0000 |
| commit | 5a48d1d164ba507469ee1a8a682a3c194d733890 (patch) | |
| tree | a2ccfb485a17b63fccf777cb81bb755f7361f631 /src/gui | |
| parent | fe4ab7edce3863a23d5871634d93f0b855aa93ac (diff) | |
Do not leak textures from the backing stores
Neither the default nor the eglfs-specific backingstore release the OpenGL textures
that are in use when render-to-texture widgets are involved.
The result can be fatal on embedded devices that run out of GPU memory at after showing
and closing dialogs and popups a certain number of times.
Task-number: QTBUG-49363
Task-number: QTBUG-49399
Change-Id: Ia7471b037f147bcca0a4f1db5808ca348e230547
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>
Reviewed-by: Andy Nichols <andy.nichols@theqtcompany.com>
Diffstat (limited to 'src/gui')
| -rw-r--r-- | src/gui/painting/qplatformbackingstore.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/gui/painting/qplatformbackingstore.cpp b/src/gui/painting/qplatformbackingstore.cpp index 62492980de..70ab9825e9 100644 --- a/src/gui/painting/qplatformbackingstore.cpp +++ b/src/gui/painting/qplatformbackingstore.cpp @@ -65,6 +65,10 @@ public: ~QPlatformBackingStorePrivate() { #ifndef QT_NO_OPENGL + QOpenGLContext *ctx = QOpenGLContext::currentContext(); + Q_ASSERT(ctx); + if (textureId) + ctx->functions()->glDeleteTextures(1, &textureId); if (blitter) blitter->destroy(); delete blitter; |