99 lines
3.0 KiB
C++
99 lines
3.0 KiB
C++
#pragma once
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#include <Cesium3DTilesSelection/Library.h>
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#include <Cesium3DTilesSelection/Tile.h>
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#include <cstdint>
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#include <unordered_set>
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#include <vector>
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namespace Cesium3DTilesSelection {
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/**
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* @brief Reports the results of {@link Tileset::updateViewGroup}.
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*
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* Users of a {@link Tileset} will call {@link Tileset::updateViewGroup} and
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* receive this structure so that they can update the state of their rendering
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* system accordingly. The tileset will internally keep track the state of the
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* tiles throughout the selection process, and use this structure to provide
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* information about the state changes of tiles to clients.
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*/
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class CESIUM3DTILESSELECTION_API ViewUpdateResult final {
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public:
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/**
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* @brief The tiles that were selected by the tileset traversal this frame.
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* These tiles should be rendered by the client.
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*
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* Tiles in this list may be fading in if \ref
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* TilesetOptions::enableLodTransitionPeriod is true.
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*/
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std::vector<Tile::ConstPointer> tilesToRenderThisFrame;
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/**
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* @brief The computed screen space error of the tiles selected by the
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* tileset traversal this frame. The values correspond to the tiles linked in
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* \ref tilesToRenderThisFrame, and may be used by the client to influence
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* rendering behavior.
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*/
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std::vector<double> tileScreenSpaceErrorThisFrame;
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/**
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* @brief Tiles on this list are no longer selected for rendering.
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*
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* If \ref TilesetOptions::enableLodTransitionPeriod is true they may be
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* fading out. If a tile's \ref TileRenderContent::lodTransitionPercentage is
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* 0 or LOD transitions are disabled, the tile should be hidden right away.
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*/
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std::unordered_set<Tile::ConstPointer> tilesFadingOut;
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/**
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* @brief The number of tiles in the worker thread load queue.
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*/
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int32_t workerThreadTileLoadQueueLength = 0;
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/**
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* @brief The number of tiles in the main thread load queue.
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*/
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int32_t mainThreadTileLoadQueueLength = 0;
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/**
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* @brief The number of tiles visited during tileset traversal this frame.
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*/
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uint32_t tilesVisited = 0;
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/**
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* @brief The number of culled tiles visited during tileset traversal this
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* frame.
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*/
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uint32_t culledTilesVisited = 0;
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/**
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* @brief The number of tiles that were skipped because they were culled
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* during tileset traversal this frame.
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*/
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uint32_t tilesCulled = 0;
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/**
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* @brief The number of tiles occluded this frame.
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*/
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uint32_t tilesOccluded = 0;
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/**
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* @brief The number of tiles still waiting to obtain a \ref
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* TileOcclusionState this frame.
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*/
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uint32_t tilesWaitingForOcclusionResults = 0;
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/**
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* @brief The number of tiles kicked from the render list this frame.
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*/
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uint32_t tilesKicked = 0;
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/**
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* @brief The maximum depth of the tile tree visited this frame.
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*/
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uint32_t maxDepthVisited = 0;
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/**
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* @brief The frame number. This is incremented every time \ref
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* Tileset::updateViewGroup is called.
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*/
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int32_t frameNumber = 0;
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};
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} // namespace Cesium3DTilesSelection
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