reset cpu shadow of vertex buffer to our usual vb size

Review URL: reset cpu shadow of vertex buffer to our usual vb size

git-svn-id: http://skia.googlecode.com/svn/trunk@2871 2bbb7eff-a529-9590-31e7-b0007b416f81

diff --git a/src/gpu/GrBufferAllocPool.cpp b/src/gpu/GrBufferAllocPool.cpp
index b06c3ad..d029471 100644 (file)
--- a/src/gpu/GrBufferAllocPool.cpp
+++ b/src/gpu/GrBufferAllocPool.cpp
@@ -91,7 +91,9 @@ void GrBufferAllocPool::reset() {
         fFirstPreallocBuffer = (fFirstPreallocBuffer + fPreallocBuffersInUse) %
                                fPreallocBuffers.count();
     }
-    fCpuData.reset(fGpu->getCaps().fBufferLockSupport ? 0 : fMinBlockSize);
+    // we may have created a large cpu mirror of a large VB. Reset the size
+    // to match our pre-allocated VBs.
+    fCpuData.reset(fMinBlockSize);
     GrAssert(0 == fPreallocBuffersInUse);
     VALIDATE();
 }