resolved_frame_data.h | Explore in Territory

// 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.

#ifndef COMPONENTS_VIZ_SERVICE_DISPLAY_RESOLVED_FRAME_DATA_H_
#define COMPONENTS_VIZ_SERVICE_DISPLAY_RESOLVED_FRAME_DATA_H_

#include <memory>
#include <unordered_map>
#include <vector>

#include "base/containers/flat_map.h"
#include "base/functional/bind_internal.h"
#include "base/memory/raw_ptr.h"
#include "components/viz/common/quads/aggregated_render_pass.h"
#include "components/viz/common/quads/compositor_frame_metadata.h"
#include "components/viz/common/quads/compositor_render_pass.h"
#include "components/viz/common/quads/draw_quad.h"
#include "components/viz/common/quads/offset_tag.h"
#include "components/viz/common/resources/resource_id.h"
#include "components/viz/common/surfaces/surface_id.h"
#include "components/viz/service/display/display_resource_provider.h"
#include "components/viz/service/surfaces/frame_index_constants.h"
#include "components/viz/service/viz_service_export.h"

namespace viz {

class Surface;

// Returns |damage_rect| field from the DrawQuad if it exists otherwise returns
// an empty optional.
const std::optional<gfx::Rect>& GetOptionalDamageRectFromQuad(
    const DrawQuad* quad);

// Data associated with a DrawQuad in a resolved frame.
struct VIZ_SERVICE_EXPORT ResolvedQuadData { … };

// Render pass data that is fixed for the lifetime of ResolvedPassData.
struct VIZ_SERVICE_EXPORT FixedPassData { … };

class ResolvedPassData;

// Render pass data that must be recomputed each aggregation. Unlike
// FixedPassData this changes each aggregation depending on what other
// Surfaces/CompositorFrames are part of the draw tree.
struct VIZ_SERVICE_EXPORT AggregationPassData { … };

// Render pass data that must be recomputed each aggregation and needs to be
// persisted to next aggregation.
struct PersistentPassData { … };

// Data associated with a CompositorRenderPass in a resolved frame. Has fixed
// portion that does not change and an aggregation portion that does change.
class VIZ_SERVICE_EXPORT ResolvedPassData { … };

enum FrameDamageType { … };

// Holds computed information for a particular Surface+CompositorFrame. The
// CompositorFrame computed information will be updated whenever the active
// frame for the surface has changed. On destruction any resources registered
// with DisplayResourceProvider will be released.
//
// The first time a resolved frame is needed during aggregation
// UpdateForAggregation() then UpdateOffsetTags() must be called. That will
// populate all of the internal data. During aggregation the fixed data is
// viewed and aggregation data can be modified. After aggregation is over
// ResetAfterAggregation() will be called which resets aggregation data.
class VIZ_SERVICE_EXPORT ResolvedFrameData { … };

}  // namespace viz

#endif  // COMPONENTS_VIZ_SERVICE_DISPLAY_RESOLVED_FRAME_DATA_H_
chromium/components/viz/service/display/resolved_frame_data.h
