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Unified Diff: Source/platform/graphics/GraphicsContext.h

Issue 303613002: Avoid redundant initialization of GraphicsContextState. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: rebase Created 6 years, 6 months ago
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Index: Source/platform/graphics/GraphicsContext.h
diff --git a/Source/platform/graphics/GraphicsContext.h b/Source/platform/graphics/GraphicsContext.h
index 768d86ee9e383af4110b1ab5e2e11e440292a570..0fee4956284b43d0ce210bb4dfc82fb4b6ca233c 100644
--- a/Source/platform/graphics/GraphicsContext.h
+++ b/Source/platform/graphics/GraphicsContext.h
@@ -463,11 +463,14 @@ private:
if (m_paintState->saveCount()) {
m_paintState->decrementSaveCount();
++m_paintStateIndex;
- if (m_paintStateStack.size() == m_paintStateIndex)
- m_paintStateStack.append(GraphicsContextState::create());
- GraphicsContextState* priorPaintState = m_paintState;
- m_paintState = m_paintStateStack[m_paintStateIndex].get();
- m_paintState->copy(priorPaintState);
+ if (m_paintStateStack.size() == m_paintStateIndex) {
+ m_paintStateStack.append(GraphicsContextState::createAndCopy(*m_paintState));
+ m_paintState = m_paintStateStack[m_paintStateIndex].get();
+ } else {
+ GraphicsContextState* priorPaintState = m_paintState;
+ m_paintState = m_paintStateStack[m_paintStateIndex].get();
+ m_paintState->copy(*priorPaintState);
+ }
}
}
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