f59eb822e1
* Add simple unit tests for SymbolSizeBinder * Fix bug in symbol size uniform value calculation For camera functions we were setting the zoom levels in "covering ranges" to `[(zoom stop <= tile zoom), (zoom stop >= 1 + tile zoom)]`, but then evaluating the function at `[tile_zoom, tile_zoom + 1]`. * Check for it != end() before accessing it->first
62 lines
3.0 KiB
C++
62 lines
3.0 KiB
C++
#include <mbgl/test/util.hpp>
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#include <mbgl/programs/symbol_program.hpp>
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using namespace mbgl;
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TEST(SymbolProgram, SymbolSizeBinder) {
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auto binder = SymbolSizeBinder::create(5.0f, 12.0f, 0.0f);
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auto uniformValues = binder->uniformValues(5.5f);
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EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>().t, true);
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EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>().t, true);
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EXPECT_EQ(uniformValues.get<uniforms::u_size>().t, 12.0f);
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EXPECT_EQ(uniformValues.get<uniforms::u_layout_size>().t, 12.0f);
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binder = SymbolSizeBinder::create(1.0f, style::CameraFunction<float>(style::ExponentialStops<float>({
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{0.0f, 8.0f},
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{10.0f, 18.0f}
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}, 1.0f)), 0.0f);
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uniformValues = binder->uniformValues(1.5f);
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EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>().t, false);
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EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>().t, true);
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EXPECT_EQ(uniformValues.get<uniforms::u_size>().t, 9.5f);
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EXPECT_EQ(uniformValues.get<uniforms::u_layout_size>().t, 10.0f);
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binder = SymbolSizeBinder::create(0.0f, style::CameraFunction<float>(style::ExponentialStops<float>({
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{1.0f, 8.0f},
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{11.0f, 18.0f}
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}, 1.0f)), 0.0f);
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uniformValues = binder->uniformValues(0.5f);
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EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>().t, false);
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EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>().t, true);
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EXPECT_EQ(uniformValues.get<uniforms::u_size>().t, 8.0f);
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EXPECT_EQ(uniformValues.get<uniforms::u_layout_size>().t, 8.0f);
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binder = SymbolSizeBinder::create(12.0f, style::CameraFunction<float>(style::ExponentialStops<float>({
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{1.0f, 8.0f},
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{11.0f, 18.0f}
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}, 1.0f)), 0.0f);
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uniformValues = binder->uniformValues(12.5f);
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EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>().t, false);
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EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>().t, true);
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EXPECT_EQ(uniformValues.get<uniforms::u_size>().t, 18.0f);
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EXPECT_EQ(uniformValues.get<uniforms::u_layout_size>().t, 18.0f);
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binder = SymbolSizeBinder::create(0.0f, style::SourceFunction<float>("x", style::ExponentialStops<float>({
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{1.0f, 8.0f},
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{11.0f, 18.0f}
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}, 1.0f)), 0.0f);
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uniformValues = binder->uniformValues(12.5f);
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EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>().t, true);
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EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>().t, false);
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binder = SymbolSizeBinder::create(5.0f, style::CompositeFunction<float>("x", style::CompositeExponentialStops<float>({
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{1.0f, {{0.0f, 8.0f}, {100.0f, 18.0f}}},
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{11.0f, {{0.0f, 12.0f}, {100.0f, 24.9f}}}
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}, 1.0f)), 0.0f);
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uniformValues = binder->uniformValues(5.5f);
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EXPECT_EQ(uniformValues.get<uniforms::u_is_size_zoom_constant>().t, false);
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EXPECT_EQ(uniformValues.get<uniforms::u_is_size_feature_constant>().t, false);
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EXPECT_EQ(uniformValues.get<uniforms::u_size_t>().t, 0.45f);
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}
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