1 #include <mbgl/renderer/render_layer.hpp>
2 #include <mbgl/renderer/layers/render_background_layer.hpp>
3 #include <mbgl/renderer/layers/render_circle_layer.hpp>
4 #include <mbgl/renderer/layers/render_custom_layer.hpp>
5 #include <mbgl/renderer/layers/render_fill_extrusion_layer.hpp>
6 #include <mbgl/renderer/layers/render_fill_layer.hpp>
7 #include <mbgl/renderer/layers/render_hillshade_layer.hpp>
8 #include <mbgl/renderer/layers/render_line_layer.hpp>
9 #include <mbgl/renderer/layers/render_raster_layer.hpp>
10 #include <mbgl/renderer/layers/render_symbol_layer.hpp>
11 #include <mbgl/renderer/layers/render_heatmap_layer.hpp>
12 #include <mbgl/renderer/paint_parameters.hpp>
13 #include <mbgl/style/types.hpp>
14 #include <mbgl/renderer/render_tile.hpp>
15 #include <mbgl/util/logging.hpp>
16
17 namespace mbgl {
18
19 using namespace style;
20
create(Immutable<Layer::Impl> impl)21 std::unique_ptr<RenderLayer> RenderLayer::create(Immutable<Layer::Impl> impl) {
22 switch (impl->type) {
23 case LayerType::Fill:
24 return std::make_unique<RenderFillLayer>(staticImmutableCast<FillLayer::Impl>(impl));
25 case LayerType::Line:
26 return std::make_unique<RenderLineLayer>(staticImmutableCast<LineLayer::Impl>(impl));
27 case LayerType::Circle:
28 return std::make_unique<RenderCircleLayer>(staticImmutableCast<CircleLayer::Impl>(impl));
29 case LayerType::Symbol:
30 return std::make_unique<RenderSymbolLayer>(staticImmutableCast<SymbolLayer::Impl>(impl));
31 case LayerType::Raster:
32 return std::make_unique<RenderRasterLayer>(staticImmutableCast<RasterLayer::Impl>(impl));
33 case LayerType::Hillshade:
34 return std::make_unique<RenderHillshadeLayer>(staticImmutableCast<HillshadeLayer::Impl>(impl));
35 case LayerType::Background:
36 return std::make_unique<RenderBackgroundLayer>(staticImmutableCast<BackgroundLayer::Impl>(impl));
37 case LayerType::Custom:
38 return std::make_unique<RenderCustomLayer>(staticImmutableCast<CustomLayer::Impl>(impl));
39 case LayerType::FillExtrusion:
40 return std::make_unique<RenderFillExtrusionLayer>(staticImmutableCast<FillExtrusionLayer::Impl>(impl));
41 case LayerType::Heatmap:
42 return std::make_unique<RenderHeatmapLayer>(staticImmutableCast<HeatmapLayer::Impl>(impl));
43 }
44
45 // Not reachable, but placate GCC.
46 assert(false);
47 return nullptr;
48 }
49
RenderLayer(style::LayerType type_,Immutable<style::Layer::Impl> baseImpl_)50 RenderLayer::RenderLayer(style::LayerType type_, Immutable<style::Layer::Impl> baseImpl_)
51 : type(type_),
52 baseImpl(baseImpl_) {
53 }
54
setImpl(Immutable<style::Layer::Impl> impl)55 void RenderLayer::setImpl(Immutable<style::Layer::Impl> impl) {
56 baseImpl = impl;
57 }
58
getID() const59 const std::string& RenderLayer::getID() const {
60 return baseImpl->id;
61 }
62
hasRenderPass(RenderPass pass) const63 bool RenderLayer::hasRenderPass(RenderPass pass) const {
64 return bool(passes & pass);
65 }
66
needsRendering(float zoom) const67 bool RenderLayer::needsRendering(float zoom) const {
68 return passes != RenderPass::None
69 && baseImpl->visibility != style::VisibilityType::None
70 && baseImpl->minZoom <= zoom
71 && baseImpl->maxZoom >= zoom;
72 }
73
setRenderTiles(std::vector<std::reference_wrapper<RenderTile>> tiles)74 void RenderLayer::setRenderTiles(std::vector<std::reference_wrapper<RenderTile>> tiles) {
75 renderTiles = std::move(tiles);
76 }
77
checkRenderability(const PaintParameters & parameters,const uint32_t activeBindingCount)78 void RenderLayer::checkRenderability(const PaintParameters& parameters,
79 const uint32_t activeBindingCount) {
80 // Only warn once for every layer.
81 if (hasRenderFailures) {
82 return;
83 }
84
85 if (activeBindingCount > parameters.context.maximumVertexBindingCount) {
86 Log::Error(Event::OpenGL,
87 "The layer '%s' uses more data-driven properties than the current device "
88 "supports, and will have rendering errors. To ensure compatibility with this "
89 "device, use %d fewer data driven properties in this layer.",
90 getID().c_str(),
91 activeBindingCount - parameters.context.minimumRequiredVertexBindingCount);
92 hasRenderFailures = true;
93 } else if (activeBindingCount > parameters.context.minimumRequiredVertexBindingCount) {
94 Log::Error(Event::OpenGL,
95 "The layer '%s' uses more data-driven properties than some devices may support. "
96 "Though it will render correctly on this device, it may have rendering errors "
97 "on other devices. To ensure compatibility with all devices, use %d fewer "
98 "data-driven properties in this layer.",
99 getID().c_str(),
100 activeBindingCount - parameters.context.minimumRequiredVertexBindingCount);
101 hasRenderFailures = true;
102 }
103 }
104
105 } //namespace mbgl
106
107