chromium/components/viz/service/display/overlay_combination_cache.cc

// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/viz/service/display/overlay_combination_cache.h"

#include <algorithm>
#include <map>
#include <memory>
#include <set>
#include <utility>

#include "base/check_op.h"
#include "base/containers/span.h"
#include "base/metrics/histogram_macros.h"
#include "components/viz/common/display/overlay_strategy.h"
#include "components/viz/service/display/overlay_candidate.h"
#include "components/viz/service/display/overlay_processor_strategy.h"
#include "components/viz/service/display/overlay_proposed_candidate.h"
#include "ui/gfx/geometry/rect_conversions.h"

namespace viz {

OverlayCacheKey::OverlayCacheKey(
    const OverlayProposedCandidate& proposed_candidate) { … }

OverlayCombinationToTest::OverlayCombinationToTest() = default;
OverlayCombinationToTest::~OverlayCombinationToTest() = default;
OverlayCombinationToTest::OverlayCombinationToTest(
    OverlayCombinationToTest&& other) = default;
OverlayCombinationToTest& OverlayCombinationToTest::operator=(
    OverlayCombinationToTest&& other) = default;

CombinationIdMapper::CombinationIdMapper() = default;
CombinationIdMapper::~CombinationIdMapper() = default;

OverlayCombinationCache::CandidateId CombinationIdMapper::GetCandidateId(
    const OverlayProposedCandidate& proposed_candidate) { … }

void CombinationIdMapper::RemoveStaleIds(
    const OverlayCombinationCache::CandidateCombination& stale_candidates) { … }

void CombinationIdMapper::ClearIds() { … }

OverlayCombinationCache::OverlayCombinationCache()
    : … { … }

OverlayCombinationCache::~OverlayCombinationCache() = default;

OverlayCombinationToTest OverlayCombinationCache::GetOverlayCombinationToTest(
    base::span<OverlayProposedCandidate const> sorted_candidates,
    int max_overlays_considered) { … }

void OverlayCombinationCache::ClearCache() { … }

std::vector<OverlayProposedCandidate>
OverlayCombinationCache::GetConsideredCandidates(
    base::span<OverlayProposedCandidate const> sorted_candidates,
    size_t max_overlays_possible) { … }

std::vector<OverlayCombinationCache::CandidateId>
OverlayCombinationCache::GetIds(
    const std::vector<OverlayProposedCandidate>& considered_candidates) { … }

std::vector<std::pair<OverlayCombinationCache::CandidateCombination, int>>
OverlayCombinationCache::GetPowerSortedCombinations(
    const std::vector<OverlayProposedCandidate>& considered_candidates,
    const std::vector<CandidateId>& considered_ids) { … }

void OverlayCombinationCache::DeclarePromotedCandidates(
    base::span<OverlayProposedCandidate const> attempted_candidates) { … }

void OverlayCombinationCache::RemoveStaleCombinations(
    const CandidateCombination& stale_candidates) { … }

}  // namespace viz