QFrameAllocator add a new isEmpty method

+ Unit tests

Will help making sure everything is properly deleted after submitting the
RenderViews.

Change-Id: I097e02b095ad6ffd02db07a406a33982a794b7eb
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

3 files changed, 21 insertions, 0 deletions

diff --git a/src/core/resources/qframeallocator.cpp b/src/core/resources/qframeallocator.cpp
index c62e7ad0d..3e83e29bf 100644
--- a/src/core/resources/qframeallocator.cpp
+++ b/src/core/resources/qframeallocator.cpp
@@ -104,6 +104,16 @@ int QFrameAllocator::allocatorPoolSize() const
     return d->m_allocatorPool.size();
 }
 
+bool QFrameAllocator::isEmpty() const
+{
+    Q_D(const QFrameAllocator);
+    Q_FOREACH (const QFixedFrameAllocator &allocator, d->m_allocatorPool) {
+        if (!allocator.isEmpty())
+            return false;
+    }
+    return true;
+}
+
 uint QFrameAllocator::totalChunkCount() const
 {
     Q_D(const QFrameAllocator);
@@ -203,6 +213,15 @@ void QFixedFrameAllocator::clear()
         m_chunks[i].clear(m_blockSize, m_nbrBlock);
 }
 
+bool QFixedFrameAllocator::isEmpty() const
+{
+    Q_FOREACH (const QFrameChunk &chunck, m_chunks) {
+        if (chunck.m_blocksAvailable != chunck.m_maxBlocksAvailable)
+            return false;
+    }
+    return true;
+}
+
 // QFrameChuck is agnostic about blocksize
 // However if it was initialized with a block size of 16
 // You should then pass 16 to allocate and deallocate
diff --git a/src/core/resources/qframeallocator.h b/src/core/resources/qframeallocator.h
index 91c8c1c5f..4fab92e91 100644
--- a/src/core/resources/qframeallocator.h
+++ b/src/core/resources/qframeallocator.h
@@ -84,6 +84,7 @@ public:
     uint maxObjectSize() const;
     uint totalChunkCount() const;
     int allocatorPoolSize() const;
+    bool isEmpty() const;
 
 private:
     Q_DECLARE_PRIVATE(QFrameAllocator)
diff --git a/src/core/resources/qframeallocator_p.h b/src/core/resources/qframeallocator_p.h
index 990066138..471691e8e 100644
--- a/src/core/resources/qframeallocator_p.h
+++ b/src/core/resources/qframeallocator_p.h
@@ -75,6 +75,7 @@ public:
     void trim();
     void release();
     void clear();
+    bool isEmpty() const;
 
     inline int chunkCount() const { return m_chunks.size(); }
     inline uchar pageSize() const { return m_nbrBlock; }