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693 |
jeremybenn |
// { dg-do compile { target x86_64-*-* } }
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// { dg-options "-O3 -fwhole-program -msse2" }
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typedef long unsigned int __darwin_size_t;
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typedef __darwin_size_t size_t;
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typedef float __m128 __attribute__ ((__vector_size__ (16), __may_alias__));
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typedef float __v4sf __attribute__ ((__vector_size__ (16)));
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extern inline __m128 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) _mm_mul_ps (__m128 __A, __m128 __B) {
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return (__m128) __builtin_ia32_mulps ((__v4sf)__A, (__v4sf)__B);
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}
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extern inline __m128 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) _mm_set1_ps (float __F) {
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return __extension__ (__m128)(__v4sf){
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__F, __F, __F, __F };
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}
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extern inline __m128 __attribute__((__gnu_inline__, __always_inline__, __artificial__)) _mm_setr_ps (float __Z, float __Y, float __X, float __W) {
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}
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typedef float real;
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template struct vectorX {
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};
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template<> struct vectorX {
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union {
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__m128 s;
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struct {
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};
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};
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vectorX(__m128 s) : s(s) {
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}
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}
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__attribute__((aligned));
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template<> struct vectorX {
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typedef float T;
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typedef vectorX V;
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union {
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__m128 s;
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struct {
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T r, g, b, a;
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};
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};
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vectorX(T a_, T b, T c, T d = 1) : s(_mm_setr_ps(a_,b,c,d)) {
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}
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vectorX(__m128 s) : s(s) {
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}
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vectorX(const V &t) : s(t.s) {
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}
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V &operator *=(const T t) {
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s = _mm_mul_ps(s, _mm_set1_ps(t));
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return *this;
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}
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inline V operator *(const T t) const __attribute__((always_inline)) {
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return V(*this) *= t;
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};
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}
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__attribute__((aligned));
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typedef vectorX color3;
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typedef vectorX color4;
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typedef color3 color;
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static inline color4 c3to4(color c) {
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color4 res(c.s);
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res.a=1;
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return res;
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}
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static inline color c4to3(color4 c) {
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return color(c.s);
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}
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static inline color4 to_premultiplied(color c, real a) {
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color4 res = c3to4(c);
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return res * a;
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}
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static inline color4 to_premultiplied(color4 cs) {
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return to_premultiplied(c4to3(cs), cs.a);
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}
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struct texture {
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};
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struct flat_texture : public texture {
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color4 c;
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flat_texture(const color4 &c) : c(to_premultiplied(c)) {
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}
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};
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struct checkerboard_texture : public texture {
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color4 even, odd;
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checkerboard_texture(const color4 &even, const color4 &odd) : even(to_premultiplied(even)), odd(to_premultiplied(odd)) {
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}
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};
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struct texture_placement {
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texture *tex;
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};
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struct surface {
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texture_placement textures[16];
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size_t texcount;
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};
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struct primitive {
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surface mat;
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};
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static void set_color(primitive *p, color4 c) {
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p->mat.textures[0].tex = new flat_texture(c);
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}
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static primitive **checkerboard_scene(int *pi) {
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primitive **prims = new primitive*[6];
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set_color(prims[0], color4(.7,.7,.7));
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prims[1]->mat.textures[prims[1]->mat.texcount++].tex = new checkerboard_texture(color4(1,.1,.1),color4(.1,.15,1));
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set_color(prims[2], color4(.7,.9,.7));
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}
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int main (int argc, char * const argv[]) {
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int primi;
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primitive **prims = checkerboard_scene(&primi);
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}
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