blob: 13d3b0587c6145d9e583aa491e98adf5e6b2bb0d [file] [log] [blame]
// Copyright 2022 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "dawn/native/PipelineCache.h"
namespace dawn::native {
PipelineCacheBase::PipelineCacheBase(BlobCache* cache, const CacheKey& key)
: mCache(cache), mKey(key) {}
Blob PipelineCacheBase::Initialize() {
DAWN_ASSERT(!mInitialized);
Blob blob = mCache->Load(mKey);
mCacheHit = !blob.Empty();
mInitialized = true;
return blob;
}
bool PipelineCacheBase::CacheHit() const {
DAWN_ASSERT(mInitialized);
return mCacheHit;
}
MaybeError PipelineCacheBase::Flush() {
// Try to write the data out to the persistent cache.
Blob blob;
DAWN_TRY(SerializeToBlobImpl(&blob));
if (blob.Size() > 0) {
// Using a simple heuristic to decide whether to write out the blob right now. May need
// smarter tracking when we are dealing with monolithic caches.
mCache->Store(mKey, blob);
}
return {};
}
MaybeError PipelineCacheBase::FlushIfNeeded() {
DAWN_ASSERT(mInitialized);
if (!CacheHit()) {
return Flush();
}
return {};
}
} // namespace dawn::native