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author | John Firebaugh <john.firebaugh@gmail.com> | 2016-10-28 18:17:33 -0700 |
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committer | John Firebaugh <john.firebaugh@gmail.com> | 2016-11-08 08:09:29 -0800 |
commit | 66bdbc3b969083b9d647abdf72784be64a125949 (patch) | |
tree | 9f2f1c6eb3d0569926420459c2c9afda50c66fd0 /src/mbgl/programs/collision_box_program.hpp | |
parent | 36210fe4e9c68a52dedc90548d90e77cf39a2228 (diff) | |
download | qtlocation-mapboxgl-66bdbc3b969083b9d647abdf72784be64a125949.tar.gz |
[core] Introduce gl::Program template
Diffstat (limited to 'src/mbgl/programs/collision_box_program.hpp')
-rw-r--r-- | src/mbgl/programs/collision_box_program.hpp | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/mbgl/programs/collision_box_program.hpp b/src/mbgl/programs/collision_box_program.hpp new file mode 100644 index 0000000000..66b1284621 --- /dev/null +++ b/src/mbgl/programs/collision_box_program.hpp @@ -0,0 +1,53 @@ +#pragma once + +#include <mbgl/programs/program.hpp> +#include <mbgl/programs/attributes.hpp> +#include <mbgl/programs/uniforms.hpp> +#include <mbgl/shader/collision_box.hpp> +#include <mbgl/util/geometry.hpp> + +#include <cmath> + +namespace mbgl { + +namespace uniforms { +MBGL_DEFINE_UNIFORM_SCALAR(float, u_scale); +MBGL_DEFINE_UNIFORM_SCALAR(float, u_maxzoom); +} // namespace uniforms + +class CollisionBoxProgram : public Program< + shaders::collision_box, + gl::Attributes< + attributes::a_pos, + attributes::a_extrude, + attributes::a_data<2>>, + gl::Uniforms< + uniforms::u_matrix, + uniforms::u_scale, + uniforms::u_zoom, + uniforms::u_maxzoom>> +{ +public: + using Program::Program; + + static Vertex vertex(Point<float> a, Point<float> o, float maxzoom, float placementZoom) { + return Vertex { + { + static_cast<int16_t>(a.x), + static_cast<int16_t>(a.y) + }, + { + static_cast<int16_t>(::round(o.x)), + static_cast<int16_t>(::round(o.y)) + }, + { + static_cast<uint8_t>(maxzoom * 10), + static_cast<uint8_t>(placementZoom * 10) + } + }; + } +}; + +using CollisionBoxVertex = CollisionBoxProgram::Vertex; + +} // namespace mbgl |