1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
#include <mbgl/renderer/sources/render_tile_source.hpp>
#include <mbgl/renderer/buckets/debug_bucket.hpp>
#include <mbgl/renderer/render_tile.hpp>
#include <mbgl/renderer/render_tree.hpp>
#include <mbgl/renderer/paint_parameters.hpp>
#include <mbgl/renderer/tile_render_data.hpp>
#include <mbgl/tile/vector_tile.hpp>
#include <mbgl/util/math.hpp>
namespace mbgl {
using namespace style;
class TileSourceRenderItem : public RenderItem {
public:
TileSourceRenderItem(Immutable<std::vector<RenderTile>> renderTiles_, std::string name_)
: renderTiles(std::move(renderTiles_))
, name(std::move(name_)) {}
private:
void upload(gfx::UploadPass&) const override;
void render(PaintParameters&) const override;
bool hasRenderPass(RenderPass) const override { return false; }
const std::string& getName() const override { return name; }
Immutable<std::vector<RenderTile>> renderTiles;
std::string name;
};
void TileSourceRenderItem::upload(gfx::UploadPass& parameters) const {
for (auto& tile : *renderTiles) {
tile.upload(parameters);
}
}
void TileSourceRenderItem::render(PaintParameters& parameters) const {
for (auto& tile : *renderTiles) {
tile.finishRender(parameters);
}
}
RenderTileSource::RenderTileSource(Immutable<style::Source::Impl> impl_)
: RenderSource(std::move(impl_))
, renderTiles(makeMutable<std::vector<RenderTile>>()) {
tilePyramid.setObserver(this);
}
RenderTileSource::~RenderTileSource() = default;
bool RenderTileSource::isLoaded() const {
return tilePyramid.isLoaded();
}
std::unique_ptr<RenderItem> RenderTileSource::createRenderItem() {
return std::make_unique<TileSourceRenderItem>(renderTiles, baseImpl->id);
}
void RenderTileSource::prepare(const SourcePrepareParameters& parameters) {
bearing = parameters.transform.state.getBearing();
filteredRenderTiles = nullptr;
renderTilesSortedByY = nullptr;
auto tiles = makeMutable<std::vector<RenderTile>>();
tiles->reserve(tilePyramid.getRenderedTiles().size());
for (auto& entry : tilePyramid.getRenderedTiles()) {
tiles->emplace_back(entry.first, entry.second);
tiles->back().prepare(parameters);
}
renderTiles = std::move(tiles);
}
void RenderTileSource::updateFadingTiles() {
tilePyramid.updateFadingTiles();
}
bool RenderTileSource::hasFadingTiles() const {
return tilePyramid.hasFadingTiles();
}
RenderTiles RenderTileSource::getRenderTiles() const {
if (!filteredRenderTiles) {
auto result = std::make_shared<std::vector<std::reference_wrapper<const RenderTile>>>();
for (const auto& renderTile : *renderTiles) {
if (renderTile.holdForFade()) {
continue;
}
result->emplace_back(renderTile);
}
filteredRenderTiles = std::move(result);
}
return filteredRenderTiles;
}
RenderTiles RenderTileSource::getRenderTilesSortedByYPosition() const {
if (!renderTilesSortedByY) {
const auto comp = [bearing = this->bearing](const RenderTile& a, const RenderTile& b) {
Point<float> pa(a.id.canonical.x, a.id.canonical.y);
Point<float> pb(b.id.canonical.x, b.id.canonical.y);
auto par = util::rotate(pa, bearing);
auto pbr = util::rotate(pb, bearing);
return std::tie(b.id.canonical.z, par.y, par.x) < std::tie(a.id.canonical.z, pbr.y, pbr.x);
};
auto result = std::make_shared<std::vector<std::reference_wrapper<const RenderTile>>>();
result->reserve(renderTiles->size());
for (const auto& renderTile : *renderTiles) {
result->emplace_back(renderTile);
}
std::sort(result->begin(), result->end(), comp);
renderTilesSortedByY = std::move(result);
}
return renderTilesSortedByY;
}
const Tile* RenderTileSource::getRenderedTile(const UnwrappedTileID& tileID) const {
return tilePyramid.getRenderedTile(tileID);
}
std::unordered_map<std::string, std::vector<Feature>>
RenderTileSource::queryRenderedFeatures(const ScreenLineString& geometry,
const TransformState& transformState,
const std::vector<const RenderLayer*>& layers,
const RenderedQueryOptions& options,
const mat4& projMatrix) const {
return tilePyramid.queryRenderedFeatures(geometry, transformState, layers, options, projMatrix);
}
std::vector<Feature> RenderTileSource::querySourceFeatures(const SourceQueryOptions& options) const {
return tilePyramid.querySourceFeatures(options);
}
void RenderTileSource::reduceMemoryUse() {
tilePyramid.reduceMemoryUse();
}
void RenderTileSource::dumpDebugLogs() const {
tilePyramid.dumpDebugLogs();
}
} // namespace mbgl
|
