overlay_strategy_single_on_top.cc | Explore in Territory

// Copyright 2014 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_strategy_single_on_top.h"

#include <vector>

#include "base/check_op.h"
#include "components/viz/common/display/overlay_strategy.h"
#include "components/viz/common/quads/draw_quad.h"
#include "components/viz/common/quads/texture_draw_quad.h"
#include "components/viz/service/display/overlay_candidate.h"
#include "components/viz/service/display/overlay_candidate_factory.h"
#include "components/viz/service/display/overlay_proposed_candidate.h"
#include "ui/gfx/buffer_types.h"
#include "ui/gfx/geometry/rect_conversions.h"

namespace viz {
namespace {

OverlayProposedCandidateIndex;

// Calculates and caches for the candidates in the list between
// `single_on_top_candidates_start` (inclusively) and
// `single_on_top_candidates_end` (exclusively) if they are occluded by
// `candidate_with_display_masks`.
//
// Returns true if `candidate_with_display_masks` does occlude any other
// candidate.
bool CalculateOcclusionByRoundedDisplayMaskCandidate(
    OverlayProposedCandidate& candidate_with_display_masks,
    std::vector<OverlayProposedCandidate>* candidates,
    OverlayProposedCandidateIndex single_on_top_candidates_begin,
    OverlayProposedCandidateIndex single_on_top_candidates_end) { … }

}  // namespace

OverlayStrategySingleOnTop::OverlayStrategySingleOnTop(
    OverlayProcessorUsingStrategy* capability_checker)
    : … { … }

OverlayStrategySingleOnTop::~OverlayStrategySingleOnTop() = default;

void OverlayStrategySingleOnTop::Propose(
    const SkM44& output_color_matrix,
    const OverlayProcessorInterface::FilterOperationsMap& render_pass_filters,
    const OverlayProcessorInterface::FilterOperationsMap&
        render_pass_backdrop_filters,
    const DisplayResourceProvider* resource_provider,
    AggregatedRenderPassList* render_pass_list,
    SurfaceDamageRectList* surface_damage_rect_list,
    const PrimaryPlane* primary_plane,
    std::vector<OverlayProposedCandidate>* candidates,
    std::vector<gfx::Rect>* content_bounds) { … }

bool OverlayStrategySingleOnTop::Attempt(
    const SkM44& output_color_matrix,
    const OverlayProcessorInterface::FilterOperationsMap& render_pass_filters,
    const OverlayProcessorInterface::FilterOperationsMap&
        render_pass_backdrop_filters,
    const DisplayResourceProvider* resource_provider,
    AggregatedRenderPassList* render_pass_list,
    SurfaceDamageRectList* surface_damage_rect_list,
    const PrimaryPlane* primary_plane,
    OverlayCandidateList* candidate_list,
    std::vector<gfx::Rect>* content_bounds,
    const OverlayProposedCandidate& proposed_candidate) { … }

bool OverlayStrategySingleOnTop::TryOverlay(
    AggregatedRenderPass* render_pass,
    const PrimaryPlane* primary_plane,
    OverlayCandidateList* candidate_list,
    const OverlayProposedCandidate& proposed_candidate) { … }

void OverlayStrategySingleOnTop::CommitCandidate(
    const OverlayProposedCandidate& proposed_candidate,
    AggregatedRenderPass* render_pass) { … }

OverlayStrategy OverlayStrategySingleOnTop::GetUMAEnum() const { … }

}  // namespace viz
chromium/components/viz/service/display/overlay_strategy_single_on_top.cc
