165 lines
4.0 KiB
C++
165 lines
4.0 KiB
C++
#pragma once
|
|
|
|
#include <mbgl/gl/attribute.hpp>
|
|
#include <mbgl/gl/uniform.hpp>
|
|
|
|
#include <cstdint>
|
|
|
|
namespace mbgl {
|
|
namespace attributes {
|
|
|
|
/*
|
|
* Pack a pair of values, interpreted as uint8's, into a single float.
|
|
* Used to conserve vertex attributes. Values are unpacked in the vertex
|
|
* shader using the `unpack_float()` function, defined in _prelude.vertex.glsl.
|
|
*/
|
|
template <typename T>
|
|
inline uint16_t packUint8Pair(T a, T b) {
|
|
return static_cast<uint16_t>(a) * 256 + static_cast<uint16_t>(b);
|
|
}
|
|
|
|
// Layout attributes
|
|
|
|
MBGL_DEFINE_ATTRIBUTE(int16_t, 2, a_pos);
|
|
MBGL_DEFINE_ATTRIBUTE(int16_t, 2, a_extrude);
|
|
MBGL_DEFINE_ATTRIBUTE(int16_t, 4, a_pos_offset);
|
|
MBGL_DEFINE_ATTRIBUTE(int16_t, 4, a_pos_normal);
|
|
MBGL_DEFINE_ATTRIBUTE(float, 3, a_projected_pos);
|
|
MBGL_DEFINE_ATTRIBUTE(int16_t, 2, a_label_pos);
|
|
MBGL_DEFINE_ATTRIBUTE(int16_t, 2, a_anchor_pos);
|
|
MBGL_DEFINE_ATTRIBUTE(uint16_t, 2, a_texture_pos);
|
|
MBGL_DEFINE_ATTRIBUTE(int16_t, 4, a_normal_ed);
|
|
MBGL_DEFINE_ATTRIBUTE(uint8_t, 1, a_fade_opacity);
|
|
MBGL_DEFINE_ATTRIBUTE(uint8_t, 2, a_placed);
|
|
|
|
template <typename T, std::size_t N>
|
|
struct a_data {
|
|
static auto name() { return "a_data"; }
|
|
using Type = gl::AttributeType<T, N>;
|
|
};
|
|
|
|
struct a_size {
|
|
static auto name() { return "a_size"; }
|
|
using Type = gl::AttributeType<uint16_t, 3>;
|
|
};
|
|
|
|
template <std::size_t N>
|
|
struct a_offset {
|
|
static auto name() { return "a_offset"; }
|
|
using Type = gl::AttributeType<int16_t, N>;
|
|
};
|
|
|
|
// Paint attributes
|
|
|
|
struct a_color {
|
|
static auto name() { return "a_color"; }
|
|
using Type = gl::AttributeType<float, 2>;
|
|
};
|
|
|
|
struct a_fill_color {
|
|
static auto name() { return "a_fill_color"; }
|
|
using Type = gl::AttributeType<float, 2>;
|
|
};
|
|
|
|
struct a_halo_color {
|
|
static auto name() { return "a_halo_color"; }
|
|
using Type = gl::AttributeType<float, 2>;
|
|
};
|
|
|
|
struct a_stroke_color {
|
|
static auto name() { return "a_stroke_color"; }
|
|
using Type = gl::AttributeType<float, 2>;
|
|
};
|
|
|
|
struct a_outline_color {
|
|
static auto name() { return "a_outline_color"; }
|
|
using Type = gl::AttributeType<float, 2>;
|
|
};
|
|
|
|
struct a_opacity {
|
|
static auto name() { return "a_opacity"; }
|
|
using Type = gl::AttributeType<float, 1>;
|
|
};
|
|
|
|
struct a_stroke_opacity {
|
|
static auto name() { return "a_stroke_opacity"; }
|
|
using Type = gl::AttributeType<float, 1>;
|
|
};
|
|
|
|
struct a_blur {
|
|
static auto name() { return "a_blur"; }
|
|
using Type = gl::AttributeType<float, 1>;
|
|
};
|
|
|
|
struct a_radius {
|
|
static auto name() { return "a_radius"; }
|
|
using Type = gl::AttributeType<float, 1>;
|
|
};
|
|
|
|
struct a_width {
|
|
static auto name() { return "a_width"; }
|
|
using Type = gl::AttributeType<float, 1>;
|
|
};
|
|
|
|
struct a_floorwidth {
|
|
static auto name() { return "a_floorwidth"; }
|
|
using Type = gl::AttributeType<float, 1>;
|
|
};
|
|
|
|
struct a_height {
|
|
static auto name() { return "a_height"; }
|
|
using Type = gl::AttributeType<float, 1>;
|
|
};
|
|
|
|
struct a_base {
|
|
static auto name() { return "a_base"; }
|
|
using Type = gl::AttributeType<float, 1>;
|
|
};
|
|
|
|
struct a_gapwidth {
|
|
static auto name() { return "a_gapwidth"; }
|
|
using Type = gl::AttributeType<float, 1>;
|
|
};
|
|
|
|
struct a_stroke_width {
|
|
static auto name() { return "a_stroke_width"; }
|
|
using Type = gl::AttributeType<float, 1>;
|
|
};
|
|
|
|
template <>
|
|
struct a_offset<1> {
|
|
static auto name() { return "a_offset"; }
|
|
using Type = gl::AttributeType<float, 1>;
|
|
};
|
|
|
|
struct a_halo_width {
|
|
static auto name() { return "a_halo_width"; }
|
|
using Type = gl::AttributeType<float, 1>;
|
|
};
|
|
|
|
struct a_halo_blur {
|
|
static auto name() { return "a_halo_blur"; }
|
|
using Type = gl::AttributeType<float, 1>;
|
|
};
|
|
|
|
struct a_weight {
|
|
static auto name() { return "a_weight"; }
|
|
using Type = gl::AttributeType<float, 1>;
|
|
};
|
|
|
|
struct a_pattern_to {
|
|
static auto name() { return "a_pattern_to"; }
|
|
using Type = gl::AttributeType<uint16_t, 4>;
|
|
};
|
|
|
|
struct a_pattern_from {
|
|
static auto name() { return "a_pattern_from"; }
|
|
using Type = gl::AttributeType<uint16_t, 4>;
|
|
};
|
|
|
|
} // namespace attributes
|
|
|
|
using PositionOnlyLayoutAttributes = gl::Attributes<attributes::a_pos>;
|
|
|
|
} // namespace mbgl
|