chromium/third_party/blink/renderer/platform/graphics/gpu/webgpu_resource_provider_cache.cc

// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "third_party/blink/renderer/platform/graphics/gpu/webgpu_resource_provider_cache.h"

#include "base/containers/adapters.h"
#include "base/metrics/histogram_functions.h"
#include "base/task/single_thread_task_runner.h"
#include "base/time/time.h"
#include "third_party/blink/renderer/platform/graphics/canvas_resource_provider.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"

namespace blink {

RecyclableCanvasResource::RecyclableCanvasResource(
    std::unique_ptr<CanvasResourceProvider> resource_provider,
    base::WeakPtr<WebGPURecyclableResourceCache> cache)
    : … { … }

RecyclableCanvasResource::~RecyclableCanvasResource() { … }

WebGPURecyclableResourceCache::WebGPURecyclableResourceCache(
    base::WeakPtr<WebGraphicsContext3DProviderWrapper> context_provider,
    scoped_refptr<base::SingleThreadTaskRunner> task_runner)
    : … { … }

std::unique_ptr<RecyclableCanvasResource>
WebGPURecyclableResourceCache::GetOrCreateCanvasResource(
    const SkImageInfo& info) { … }

void WebGPURecyclableResourceCache::OnDestroyRecyclableResource(
    std::unique_ptr<CanvasResourceProvider> resource_provider,
    const gpu::SyncToken& completion_sync_token) { … }

WebGPURecyclableResourceCache::Resource::Resource(
    std::unique_ptr<CanvasResourceProvider> resource_provider,
    unsigned int timer_id,
    int resource_size)
    : … { … }

WebGPURecyclableResourceCache::Resource::Resource(Resource&& that) noexcept =
    default;

WebGPURecyclableResourceCache::Resource::~Resource() = default;

std::unique_ptr<CanvasResourceProvider>
WebGPURecyclableResourceCache::AcquireCachedProvider(
    const SkImageInfo& image_info) { … }

void WebGPURecyclableResourceCache::ReleaseStaleResources() { … }
void WebGPURecyclableResourceCache::StartResourceCleanUpTimer() { … }

wtf_size_t
WebGPURecyclableResourceCache::CleanUpResourcesAndReturnSizeForTesting() { … }

}  // namespace blink