1759603e12
* Always return image metrics exclusive of padding * Work with integer coordinates whenever possible * Eliminate redundant SpriteAtlasElement members * Fix asymmetric re-padding in getIconQuad when pixelRatio != 1 * Add explanatory comments
48 lines
2.1 KiB
C++
48 lines
2.1 KiB
C++
#include <mbgl/programs/fill_program.hpp>
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#include <mbgl/sprite/sprite_atlas.hpp>
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#include <mbgl/renderer/cross_faded_property_evaluator.hpp>
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#include <mbgl/tile/tile_id.hpp>
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#include <mbgl/map/transform_state.hpp>
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namespace mbgl {
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using namespace style;
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static_assert(sizeof(FillLayoutVertex) == 4, "expected FillLayoutVertex size");
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FillPatternUniforms::Values
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FillPatternUniforms::values(mat4 matrix,
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Size framebufferSize,
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Size atlasSize,
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const SpriteAtlasElement& a,
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const SpriteAtlasElement& b,
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const Faded<std::string>& fading,
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const UnwrappedTileID& tileID,
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const TransformState& state)
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{
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int32_t tileSizeAtNearestZoom = util::tileSize * state.zoomScale(state.getIntegerZoom() - tileID.canonical.z);
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int32_t pixelX = tileSizeAtNearestZoom * (tileID.canonical.x + tileID.wrap * state.zoomScale(tileID.canonical.z));
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int32_t pixelY = tileSizeAtNearestZoom * tileID.canonical.y;
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return FillPatternUniforms::Values {
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uniforms::u_matrix::Value{ matrix },
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uniforms::u_world::Value{ framebufferSize },
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uniforms::u_texsize::Value{ atlasSize },
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uniforms::u_pattern_tl_a::Value{ a.tl() },
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uniforms::u_pattern_br_a::Value{ a.br() },
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uniforms::u_pattern_tl_b::Value{ b.tl() },
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uniforms::u_pattern_br_b::Value{ b.br() },
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uniforms::u_pattern_size_a::Value{ a.displaySize() },
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uniforms::u_pattern_size_b::Value{ b.displaySize() },
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uniforms::u_scale_a::Value{ fading.fromScale },
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uniforms::u_scale_b::Value{ fading.toScale },
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uniforms::u_mix::Value{ fading.t },
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uniforms::u_image::Value{ 0 },
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uniforms::u_pixel_coord_upper::Value{ std::array<float, 2> {{ float(pixelX >> 16), float(pixelY >> 16) }} },
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uniforms::u_pixel_coord_lower::Value{ std::array<float, 2> {{ float(pixelX & 0xFFFF), float(pixelY & 0xFFFF) }} },
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uniforms::u_tile_units_to_pixels::Value{ 1.0f / tileID.pixelsToTileUnits(1.0f, state.getIntegerZoom()) },
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};
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}
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} // namespace mbgl
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