Have lazy proxies keep their callbacks around and clean up their lambdas in the dtor

I believe after this CL we will be at a place where we just have to null out the
fTarget of a lazy proxy and it will reinstantiate itself.

Bug: skia:
Change-Id: I88fdc70e149eba4514a0823da99383583394005c
Reviewed-on: https://skia-review.googlesource.com/102021
Commit-Queue: Greg Daniel <egdaniel@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/gpu/GrTextureRenderTargetProxy.cpp b/src/gpu/GrTextureRenderTargetProxy.cpp
index fe12a0a975..da8e48307d 100644
--- a/src/gpu/GrTextureRenderTargetProxy.cpp
+++ b/src/gpu/GrTextureRenderTargetProxy.cpp
@@ -61,6 +61,9 @@ size_t GrTextureRenderTargetProxy::onUninstantiatedGpuMemorySize() const {
 }
 
 bool GrTextureRenderTargetProxy::instantiate(GrResourceProvider* resourceProvider) {
+    if (LazyState::kNot != this->lazyInstantiationState()) {
+        return false;
+    }
     static constexpr GrSurfaceFlags kFlags = kRenderTarget_GrSurfaceFlag;
 
     const GrUniqueKey& key = this->getUniqueKey();