Always swap buffers if using partial update extension
Bug: 27379093
Change-Id: Ifda18287248e4ae07d4bf2ae9642a9d23039e81f
diff --git a/libs/hwui/renderthread/EglManager.h b/libs/hwui/renderthread/EglManager.h
index 62b5b99..459baed 100644
--- a/libs/hwui/renderthread/EglManager.h
+++ b/libs/hwui/renderthread/EglManager.h
@@ -70,6 +70,10 @@
bool makeCurrent(EGLSurface surface, EGLint* errOut = nullptr);
Frame beginFrame(EGLSurface surface);
void damageFrame(const Frame& frame, const SkRect& dirty);
+ // If this returns true it is mandatory that swapBuffers is called
+ // if damageFrame is called without subsequent calls to damageFrame().
+ // See EGL_KHR_partial_update for more information
+ bool damageRequiresSwap();
bool swapBuffers(const Frame& frame, const SkRect& screenDirty);
// Returns true iff the surface is now preserving buffers.