Add ability to uninstantiate lazy proxies after every flush.

Bug: skia:
Change-Id: Id32540cda54a9c5e3e6cb721776699be3cc8ac1a
Reviewed-on: https://skia-review.googlesource.com/113263
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Brian Salomon <bsalomon@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>

1 files changed, 30 insertions, 0 deletions

diff --git a/src/gpu/GrUninstantiateProxyTracker.cpp b/src/gpu/GrUninstantiateProxyTracker.cpp
new file mode 100644
index 0000000000..c4da21b9dc
--- /dev/null
+++ b/src/gpu/GrUninstantiateProxyTracker.cpp
@@ -0,0 +1,30 @@
+/*
+ * Copyright 2018 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "GrUninstantiateProxyTracker.h"
+
+#include "GrSurfaceProxy.h"
+#include "GrSurfaceProxyPriv.h"
+
+void GrUninstantiateProxyTracker::addProxy(GrSurfaceProxy* proxy) {
+#ifdef SK_DEBUG
+    using LazyType = GrSurfaceProxy::LazyInstantiationType;
+    SkASSERT(LazyType::kUninstantiate == proxy->priv().lazyInstantiationType());
+    for (int i = 0; i < fProxies.count(); ++i) {
+        SkASSERT(proxy != fProxies[i]);
+    }
+#endif
+    fProxies.push_back(proxy);
+}
+
+void GrUninstantiateProxyTracker::uninstantiateAllProxies() {
+    for (int i = 0; i < fProxies.count(); ++i) {
+        GrSurfaceProxy* proxy = fProxies[i];
+        SkASSERT(proxy->priv().isSafeToUninstantiate());
+        proxy->deInstantiate();
+    }
+}