rhi: Manage buffer data without QBA

Use a simple and straightforward container that only does what
we need here.

Change-Id: I1a81b53a58bc91d533e3d7df5471a1362046825d
Reviewed-by: Andy Nichols <andy.nichols@qt.io>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/gui/rhi/qrhigles2_p_p.h b/src/gui/rhi/qrhigles2_p_p.h
index 5940633151..65fb820a36 100644
--- a/src/gui/rhi/qrhigles2_p_p.h
+++ b/src/gui/rhi/qrhigles2_p_p.h
@@ -578,6 +578,7 @@ struct QGles2CommandBuffer : public QRhiCommandBuffer
     } computePassState;
 
     QVarLengthArray<QByteArray, 4> dataRetainPool;
+    QVarLengthArray<QRhiBufferData, 4> bufferDataRetainPool;
     QVarLengthArray<QImage, 4> imageRetainPool;
 
     // relies heavily on implicit sharing (no copies of the actual data will be made)
@@ -585,6 +586,10 @@ struct QGles2CommandBuffer : public QRhiCommandBuffer
         dataRetainPool.append(data);
         return dataRetainPool.last().constData();
     }
+    const uchar *retainBufferData(const QRhiBufferData &data) {
+        bufferDataRetainPool.append(data);
+        return reinterpret_cast<const uchar *>(bufferDataRetainPool.last().constData());
+    }
     const void *retainImage(const QImage &image) {
         imageRetainPool.append(image);
         return imageRetainPool.last().constBits();
@@ -592,6 +597,7 @@ struct QGles2CommandBuffer : public QRhiCommandBuffer
     void resetCommands() {
         commands.clear();
         dataRetainPool.clear();
+        bufferDataRetainPool.clear();
         imageRetainPool.clear();
 
         passResTrackers.clear();