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23 #ifndef AVFILTER_CUDA_VECTORHELPERS_H
24 #define AVFILTER_CUDA_VECTORHELPERS_H
26 typedef unsigned char uchar;
27 typedef unsigned short ushort;
29 template<typename T> struct vector_helper { };
30 template<> struct vector_helper<uchar> { typedef float ftype; typedef int itype; };
31 template<> struct vector_helper<uchar2> { typedef float2 ftype; typedef int2 itype; };
32 template<> struct vector_helper<uchar4> { typedef float4 ftype; typedef int4 itype; };
33 template<> struct vector_helper<ushort> { typedef float ftype; typedef int itype; };
34 template<> struct vector_helper<ushort2> { typedef float2 ftype; typedef int2 itype; };
35 template<> struct vector_helper<ushort4> { typedef float4 ftype; typedef int4 itype; };
36 template<> struct vector_helper<int> { typedef float ftype; typedef int itype; };
37 template<> struct vector_helper<int2> { typedef float2 ftype; typedef int2 itype; };
38 template<> struct vector_helper<int4> { typedef float4 ftype; typedef int4 itype; };
40 #define floatT typename vector_helper<T>::ftype
41 #define intT typename vector_helper<T>::itype
43 template<typename T, typename V> inline __device__ V to_floatN(const T &a) { return (V)a; }
44 template<typename T, typename V> inline __device__ T from_floatN(const V &a) { return (T)a; }
46 #define OPERATORS2(T) \
47 template<typename V> inline __device__ T operator+(const T &a, const V &b) { return make_ ## T (a.x + b.x, a.y + b.y); } \
48 template<typename V> inline __device__ T operator-(const T &a, const V &b) { return make_ ## T (a.x - b.x, a.y - b.y); } \
49 template<typename V> inline __device__ T operator*(const T &a, V b) { return make_ ## T (a.x * b, a.y * b); } \
50 template<typename V> inline __device__ T operator/(const T &a, V b) { return make_ ## T (a.x / b, a.y / b); } \
51 template<typename V> inline __device__ T operator>>(const T &a, V b) { return make_ ## T (a.x >> b, a.y >> b); } \
52 template<typename V> inline __device__ T operator<<(const T &a, V b) { return make_ ## T (a.x << b, a.y << b); } \
53 template<typename V> inline __device__ T &operator+=(T &a, const V &b) { a.x += b.x; a.y += b.y; return a; } \
54 template<typename V> inline __device__ void vec_set(T &a, const V &b) { a.x = b.x; a.y = b.y; } \
55 template<typename V> inline __device__ void vec_set_scalar(T &a, V b) { a.x = b; a.y = b; } \
56 template<> inline __device__ float2 to_floatN<T, float2>(const T &a) { return make_float2(a.x, a.y); } \
57 template<> inline __device__ T from_floatN<T, float2>(const float2 &a) { return make_ ## T(a.x, a.y); }
58 #define OPERATORS4(T) \
59 template<typename V> inline __device__ T operator+(const T &a, const V &b) { return make_ ## T (a.x + b.x, a.y + b.y, a.z + b.z, a.w + b.w); } \
60 template<typename V> inline __device__ T operator-(const T &a, const V &b) { return make_ ## T (a.x - b.x, a.y - b.y, a.z - b.z, a.w - b.w); } \
61 template<typename V> inline __device__ T operator*(const T &a, V b) { return make_ ## T (a.x * b, a.y * b, a.z * b, a.w * b); } \
62 template<typename V> inline __device__ T operator/(const T &a, V b) { return make_ ## T (a.x / b, a.y / b, a.z / b, a.w / b); } \
63 template<typename V> inline __device__ T operator>>(const T &a, V b) { return make_ ## T (a.x >> b, a.y >> b, a.z >> b, a.w >> b); } \
64 template<typename V> inline __device__ T operator<<(const T &a, V b) { return make_ ## T (a.x << b, a.y << b, a.z << b, a.w << b); } \
65 template<typename V> inline __device__ T &operator+=(T &a, const V &b) { a.x += b.x; a.y += b.y; a.z += b.z; a.w += b.w; return a; } \
66 template<typename V> inline __device__ void vec_set(T &a, const V &b) { a.x = b.x; a.y = b.y; a.z = b.z; a.w = b.w; } \
67 template<typename V> inline __device__ void vec_set_scalar(T &a, V b) { a.x = b; a.y = b; a.z = b; a.w = b; } \
68 template<> inline __device__ float4 to_floatN<T, float4>(const T &a) { return make_float4(a.x, a.y, a.z, a.w); } \
69 template<> inline __device__ T from_floatN<T, float4>(const float4 &a) { return make_ ## T(a.x, a.y, a.z, a.w); }
80 template<typename V> inline __device__ void vec_set(int &a, V b) { a = b; }
81 template<typename V> inline __device__ void vec_set(float &a, V b) { a = b; }
82 template<typename V> inline __device__ void vec_set(uchar &a, V b) { a = b; }
83 template<typename V> inline __device__ void vec_set(ushort &a, V b) { a = b; }
84 template<typename V> inline __device__ void vec_set_scalar(int &a, V b) { a = b; }
85 template<typename V> inline __device__ void vec_set_scalar(float &a, V b) { a = b; }
86 template<typename V> inline __device__ void vec_set_scalar(uchar &a, V b) { a = b; }
87 template<typename V> inline __device__ void vec_set_scalar(ushort &a, V b) { a = b; }
90 inline __device__ T lerp_scalar(T v0, T v1, float t) {
91 return t*v1 + (1.0f - t)*v0;
95 inline __device__ float2 lerp_scalar<float2>(float2 v0, float2 v1, float t) {
97 lerp_scalar(v0.x, v1.x, t),
98 lerp_scalar(v0.y, v1.y, t)
103 inline __device__ float4 lerp_scalar<float4>(float4 v0, float4 v1, float t) {
105 lerp_scalar(v0.x, v1.x, t),
106 lerp_scalar(v0.y, v1.y, t),
107 lerp_scalar(v0.z, v1.z, t),
108 lerp_scalar(v0.w, v1.w, t)