commit 2a6ef96e3195f8616d602685f2439e22b522ecfd
author Jamie Gennis <jgennis@google.com> Thu Oct 25 17:53:56 2012 -0700
committer The Android Automerger <android-build@android.com> Thu Oct 25 21:45:13 2012 -0700
tree 94f08452e37c6319f9da0e088e99311688265e99
parent 456b899d1cd679743e0f21f5cf4ac25d224602d8

TransferQueue: use a few extra buffers

This change is a temporary workaround for a buffer synchronization issue.

Bug: 6876502
Change-Id: I030b26818ba7e78037a38dcaddd18782cd086b75

Source/WebCore/platform/graphics/android/rendering/TransferQueue.cpp

diff --git a/Source/WebCore/platform/graphics/android/rendering/TransferQueue.cpp b/Source/WebCore/platform/graphics/android/rendering/TransferQueue.cpp
index b15fa6d..7c03219 100644
--- a/Source/WebCore/platform/graphics/android/rendering/TransferQueue.cpp
+++ b/Source/WebCore/platform/graphics/android/rendering/TransferQueue.cpp
@@ -117,9 +117,13 @@
         m_sharedSurfaceTexture->setSynchronousMode(true);
 
         int extraBuffersNeeded = 0;
+        int extraHackyBuffersNeeded = 0;
+        if (m_transferQueueSize == EFFICIENT_SIZE)
+            extraHackyBuffersNeeded = 13;
         m_ANW->query(m_ANW.get(), NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
                      &extraBuffersNeeded);
-        bufferQueue->setBufferCount(m_transferQueueSize + extraBuffersNeeded);
+        bufferQueue->setBufferCount(m_transferQueueSize + extraBuffersNeeded +
+                extraHackyBuffersNeeded);
 
         int result = native_window_set_buffers_geometry(m_ANW.get(),
                 width, height, HAL_PIXEL_FORMAT_RGBA_8888);