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#pragma once
#include "geometry/point2d.hpp"
#include "drape/color.hpp"
#include <glm_config.hpp>
#include <glm/vec2.hpp>
#include <glm/vec3.hpp>
#include <glm/vec4.hpp>
#include <glm/mat3x3.hpp>
#include <glm/mat4x4.hpp>
#include <glm/mat4x2.hpp>
#include <glm/mat4x3.hpp>
namespace glsl
{
using glm::vec2;
using glm::vec3;
using glm::vec4;
using glm::dvec2;
using glm::dvec3;
using glm::dvec4;
using glm::mat3;
using glm::mat4;
using glm::mat4x2;
using glm::mat4x3;
using glm::dmat3;
using glm::dmat4;
using glm::dmat4x2;
using glm::dmat4x3;
typedef vec4 Quad1;
typedef mat4x2 Quad2;
typedef mat4x3 Quad3;
typedef mat4 Quad4;
inline m2::PointF ToPoint(vec2 const & v)
{
return m2::PointF(v.x, v.y);
}
inline vec2 ToVec2(m2::PointF const & pt)
{
return glsl::vec2(pt.x, pt.y);
}
inline vec2 ToVec2(m2::PointD const & pt)
{
return glsl::vec2(pt.x, pt.y);
}
inline vec4 ToVec4(dp::Color const & color)
{
return glsl::vec4(double(color.GetRed()) / 255,
double(color.GetGreen()) / 255,
double(color.GetBlue()) / 255,
double(color.GetAlfa()) / 255);
}
template<typename T, class = typename enable_if<is_integral<T>::value || is_floating_point<T>::value>::type>
inline uint8_t GetArithmeticComponentCount()
{
return 1;
}
template <typename T>
inline uint8_t GetComponentCount()
{
return GetArithmeticComponentCount<T>();
}
template <>
inline uint8_t GetComponentCount<vec2>()
{
return 2;
}
template <>
inline uint8_t GetComponentCount<vec3>()
{
return 3;
}
template <>
inline uint8_t GetComponentCount<vec4>()
{
return 4;
}
} // namespace glsl
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