diff options
Diffstat (limited to 'src/mbgl/programs/symbol_program.cpp')
-rw-r--r-- | src/mbgl/programs/symbol_program.cpp | 39 |
1 files changed, 31 insertions, 8 deletions
diff --git a/src/mbgl/programs/symbol_program.cpp b/src/mbgl/programs/symbol_program.cpp index bd43237b8f..8790adcc63 100644 --- a/src/mbgl/programs/symbol_program.cpp +++ b/src/mbgl/programs/symbol_program.cpp @@ -2,6 +2,7 @@ #include <mbgl/renderer/render_tile.hpp> #include <mbgl/map/transform_state.hpp> #include <mbgl/style/layers/symbol_layer_impl.hpp> +#include <mbgl/layout/symbol_projection.hpp> #include <mbgl/tile/tile.hpp> #include <mbgl/util/enum.hpp> #include <mbgl/math/clamp.hpp> @@ -10,7 +11,7 @@ namespace mbgl { using namespace style; -static_assert(sizeof(SymbolLayoutVertex) == 20, "expected SymbolLayoutVertex size"); +static_assert(sizeof(SymbolLayoutVertex) == 16, "expected SymbolLayoutVertex size"); std::unique_ptr<SymbolSizeBinder> SymbolSizeBinder::create(const float tileZoom, const style::DataDrivenPropertyValue<float>& sizeProperty, @@ -33,6 +34,7 @@ Values makeValues(const bool isText, const style::SymbolPropertyValues& values, const Size& texsize, const std::array<float, 2>& pixelsToGLUnits, + const bool alongLine, const RenderTile& tile, const TransformState& state, Args&&... args) { @@ -46,21 +48,41 @@ Values makeValues(const bool isText, pixelsToGLUnits[1] * state.getCameraToCenterDistance() }}; } + + const float pixelsToTileUnits = tile.id.pixelsToTileUnits(1.0, state.getZoom()); + const bool pitchWithMap = values.pitchAlignment == style::AlignmentType::Map; + const bool rotateWithMap = values.rotationAlignment == style::AlignmentType::Map; + + mat4 labelPlaneMatrix; + if (alongLine) { + // For labels that follow lines the first part of the projection is handled on the cpu. + // Pass an identity matrix because no transformation needs to be done in the vertex shader. + matrix::identity(labelPlaneMatrix); + } else { + labelPlaneMatrix = getLabelPlaneMatrix(tile.matrix, pitchWithMap, rotateWithMap, state, pixelsToTileUnits); + } + + mat4 glCoordMatrix = getGlCoordMatrix(tile.matrix, pitchWithMap, rotateWithMap, state, pixelsToTileUnits); return Values { uniforms::u_matrix::Value{ tile.translatedMatrix(values.translate, values.translateAnchor, state) }, + uniforms::u_label_plane_matrix::Value{labelPlaneMatrix}, + uniforms::u_gl_coord_matrix::Value{ tile.translateVtxMatrix(glCoordMatrix, + values.translate, + values.translateAnchor, + state, + true) }, uniforms::u_extrude_scale::Value{ extrudeScale }, uniforms::u_texsize::Value{ texsize }, - uniforms::u_zoom::Value{ float(state.getZoom()) }, - uniforms::u_rotate_with_map::Value{ values.rotationAlignment == AlignmentType::Map }, uniforms::u_texture::Value{ 0 }, uniforms::u_fadetexture::Value{ 1 }, uniforms::u_is_text::Value{ isText }, uniforms::u_collision_y_stretch::Value{ tile.tile.yStretch() }, uniforms::u_camera_to_center_distance::Value{ state.getCameraToCenterDistance() }, uniforms::u_pitch::Value{ state.getPitch() }, + uniforms::u_pitch_with_map::Value{ pitchWithMap }, uniforms::u_max_camera_distance::Value{ values.maxCameraDistance }, std::forward<Args>(args)... }; @@ -71,6 +93,7 @@ SymbolIconProgram::uniformValues(const bool isText, const style::SymbolPropertyValues& values, const Size& texsize, const std::array<float, 2>& pixelsToGLUnits, + const bool alongLine, const RenderTile& tile, const TransformState& state) { @@ -79,6 +102,7 @@ SymbolIconProgram::uniformValues(const bool isText, values, texsize, pixelsToGLUnits, + alongLine, tile, state ); @@ -90,25 +114,24 @@ typename SymbolSDFProgram<PaintProperties>::UniformValues SymbolSDFProgram<Paint const style::SymbolPropertyValues& values, const Size& texsize, const std::array<float, 2>& pixelsToGLUnits, + const bool alongLine, const RenderTile& tile, const TransformState& state, const SymbolSDFPart part) { const float gammaScale = (values.pitchAlignment == AlignmentType::Map - ? std::cos(state.getPitch()) - : 1.0) * state.getCameraToCenterDistance(); + ? std::cos(state.getPitch()) * state.getCameraToCenterDistance() + : 1.0); return makeValues<SymbolSDFProgram<PaintProperties>::UniformValues>( isText, values, texsize, pixelsToGLUnits, + alongLine, tile, state, uniforms::u_gamma_scale::Value{ gammaScale }, - uniforms::u_bearing::Value{ -1.0f * state.getAngle() }, - uniforms::u_aspect_ratio::Value{ (state.getSize().width * 1.0f) / (state.getSize().height * 1.0f) }, - uniforms::u_pitch_with_map::Value{ values.pitchAlignment == AlignmentType::Map }, uniforms::u_is_halo::Value{ part == SymbolSDFPart::Halo } ); } |