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