Simplier repro case for #594

This commit is contained in:
Christophe Riccio 2017-01-04 23:29:37 +01:00
parent d9d222555f
commit e75859cb0a

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@ -1,23 +1,4 @@
enum precision template<typename T> struct vec2;
{
packed_highp,
packed_mediump,
packed_lowp,
aligned_highp,
aligned_mediump,
aligned_lowp,
aligned = aligned_highp,
highp = packed_highp,
mediump = packed_mediump,
lowp = packed_lowp,
packed = packed_highp,
defaultp = highp
};
template<typename T, precision P = defaultp> struct vec2;
template<typename T> template<typename T>
struct _swizzle_base0 struct _swizzle_base0
@ -25,36 +6,36 @@ struct _swizzle_base0
char _buffer[1]; char _buffer[1];
}; };
template<typename T, precision P, int E0, int E1, int E2, int E3> template<typename T, int E0, int E1, int E2, int E3>
struct _swizzle_base1 : public _swizzle_base0<T> struct _swizzle_base1 : public _swizzle_base0<T>
{ {
}; };
template<typename T, precision P, int E0, int E1> template<typename T, int E0, int E1>
struct _swizzle_base1<T, P, E0,E1,-1,-2> : public _swizzle_base0<T> struct _swizzle_base1<T, E0,E1,-1,-2> : public _swizzle_base0<T>
{ {
}; };
template<typename T, precision P, int E0, int E1, int E2, int E3, int DUPLICATE_ELEMENTS> template<typename T, int E0, int E1, int E2, int E3, int DUPLICATE_ELEMENTS>
struct _swizzle_base2 : public _swizzle_base1<T, P, E0,E1,E2,E3> struct _swizzle_base2 : public _swizzle_base1<T, E0,E1,E2,E3>
{ {
}; };
template<typename T, precision P, int E0, int E1, int E2, int E3> template<typename T, int E0, int E1, int E2, int E3>
struct _swizzle_base2<T, P, E0,E1,E2,E3, 1> : public _swizzle_base1<T, P, E0,E1,E2,E3> struct _swizzle_base2<T, E0,E1,E2,E3, 1> : public _swizzle_base1<T, E0,E1,E2,E3>
{ {
}; };
template<typename T, precision P, int E0, int E1, int E2, int E3> template<typename T, int E0, int E1, int E2, int E3>
struct _swizzle : public _swizzle_base2<T, P, E0, E1, E2, E3, (E0 == E1 || E0 == E2 || E0 == E3 || E1 == E2 || E1 == E3 || E2 == E3)> struct _swizzle : public _swizzle_base2<T, E0, E1, E2, E3, (E0 == E1 || E0 == E2 || E0 == E3 || E1 == E2 || E1 == E3 || E2 == E3)>
{ {
}; };
template<typename T, precision P> template<typename T>
struct vec2 struct vec2
{ {
constexpr vec2(T x, T y) : constexpr vec2(T x, T y) :
@ -64,11 +45,11 @@ struct vec2
union union
{ {
struct { T x, y; }; struct { T x, y; };
struct { _swizzle<T, P, 0,0,-1,-2> xx; }; struct { _swizzle<T, 0,0,-1,-2> xx; };
}; };
}; };
typedef vec2<float, defaultp> float2; typedef vec2<float> float2;
// Visual C++ has a bug generating the error: fatal error C1001: An internal error has occurred in the compiler. // Visual C++ has a bug generating the error: fatal error C1001: An internal error has occurred in the compiler.
float2 const Bar(1.f, 1.f); float2 const Bar(1.f, 1.f);