diff options
| author | Miikka Heikkinen <miikka.heikkinen@digia.com> | 2012-11-20 13:23:27 +0200 |
|---|---|---|
| committer | The Qt Project <gerrit-noreply@qt-project.org> | 2012-11-20 14:13:07 +0100 |
| commit | 85e9ba49580e307e1213c87cdbfdc301848f497f (patch) | |
| tree | 44540ae4a8cfd46ab346bc1d38f6f6ce402cc3ad | |
| parent | b8341127c03f9b6297c6d8ff47e98380677de9aa (diff) | |
Fix black screen after minimizing OpenGL window with ANGLE
CreateTexture will fail on zero dimensions, so just release old target
and reset dimensions when resetSwapChain is called with zero size area.
Task-number: QTBUG-27994
Change-Id: I1e500c4fd4b92f7d9ea2a49a44f3fb930b575cd1
Reviewed-by: Friedemann Kleint <Friedemann.Kleint@digia.com>
| -rw-r--r-- | src/3rdparty/angle/src/libEGL/Surface.cpp | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/3rdparty/angle/src/libEGL/Surface.cpp b/src/3rdparty/angle/src/libEGL/Surface.cpp index 8e920ab81e..174b40375d 100644 --- a/src/3rdparty/angle/src/libEGL/Surface.cpp +++ b/src/3rdparty/angle/src/libEGL/Surface.cpp @@ -224,6 +224,22 @@ bool Surface::resetSwapChain(int backbufferWidth, int backbufferHeight) pShareHandle = &mShareHandle; } + // CreateTexture will fail on zero dimensions, so just release old target + if (!backbufferWidth || !backbufferHeight) + { + if (mRenderTarget) + { + mRenderTarget->Release(); + mRenderTarget = NULL; + } + + mWidth = backbufferWidth; + mHeight = backbufferHeight; + mPresentIntervalDirty = false; + + return true; + } + result = device->CreateTexture(backbufferWidth, backbufferHeight, 1, D3DUSAGE_RENDERTARGET, mConfig->mRenderTargetFormat, D3DPOOL_DEFAULT, &mOffscreenTexture, pShareHandle); if (FAILED(result)) |