diff options
Diffstat (limited to 'intern/cycles/util/math_intersect.h')
-rw-r--r-- | intern/cycles/util/math_intersect.h | 48 |
1 files changed, 1 insertions, 47 deletions
diff --git a/intern/cycles/util/math_intersect.h b/intern/cycles/util/math_intersect.h index 0c431a36afb..54ce3ab4b66 100644 --- a/intern/cycles/util/math_intersect.h +++ b/intern/cycles/util/math_intersect.h @@ -88,29 +88,16 @@ ccl_device bool ray_aligned_disk_intersect(float3 ray_P, ccl_device_forceinline bool ray_triangle_intersect(float3 ray_P, float3 ray_dir, float ray_t, -#if defined(__KERNEL_SSE2__) && defined(__KERNEL_SSE__) - const ssef *ssef_verts, -#else const float3 tri_a, const float3 tri_b, const float3 tri_c, -#endif ccl_private float *isect_u, ccl_private float *isect_v, ccl_private float *isect_t) { -#if defined(__KERNEL_SSE2__) && defined(__KERNEL_SSE__) - typedef ssef float3; - const float3 tri_a(ssef_verts[0]); - const float3 tri_b(ssef_verts[1]); - const float3 tri_c(ssef_verts[2]); - const float3 P(ray_P); - const float3 dir(ray_dir); -#else -# define dot3(a, b) dot(a, b) +#define dot3(a, b) dot(a, b) const float3 P = ray_P; const float3 dir = ray_dir; -#endif /* Calculate vertices relative to ray origin. */ const float3 v0 = tri_c - P; @@ -123,43 +110,16 @@ ccl_device_forceinline bool ray_triangle_intersect(float3 ray_P, const float3 e2 = v1 - v2; /* Perform edge tests. */ -#if defined(__KERNEL_SSE2__) && defined(__KERNEL_SSE__) - const float3 crossU = cross(v2 + v0, e0); - const float3 crossV = cross(v0 + v1, e1); - const float3 crossW = cross(v1 + v2, e2); - - ssef crossX(crossU); - ssef crossY(crossV); - ssef crossZ(crossW); - ssef zero = _mm_setzero_ps(); - _MM_TRANSPOSE4_PS(crossX, crossY, crossZ, zero); - - const ssef dirX(ray_dir.x); - const ssef dirY(ray_dir.y); - const ssef dirZ(ray_dir.z); - - ssef UVWW = madd(crossX, dirX, madd(crossY, dirY, crossZ * dirZ)); -#else /* __KERNEL_SSE2__ */ const float U = dot(cross(v2 + v0, e0), ray_dir); const float V = dot(cross(v0 + v1, e1), ray_dir); const float W = dot(cross(v1 + v2, e2), ray_dir); -#endif /* __KERNEL_SSE2__ */ -#if defined(__KERNEL_SSE2__) && defined(__KERNEL_SSE__) - int uvw_sign = movemask(UVWW) & 0x7; - if (uvw_sign != 0) { - if (uvw_sign != 0x7) { - return false; - } - } -#else const float minUVW = min(U, min(V, W)); const float maxUVW = max(U, max(V, W)); if (minUVW < 0.0f && maxUVW > 0.0f) { return false; } -#endif /* Calculate geometry normal and denominator. */ const float3 Ng1 = cross(e1, e0); @@ -180,14 +140,8 @@ ccl_device_forceinline bool ray_triangle_intersect(float3 ray_P, } const float inv_den = 1.0f / den; -#if defined(__KERNEL_SSE2__) && defined(__KERNEL_SSE__) - UVWW *= inv_den; - _mm_store_ss(isect_u, UVWW); - _mm_store_ss(isect_v, shuffle<1, 1, 3, 3>(UVWW)); -#else *isect_u = U * inv_den; *isect_v = V * inv_den; -#endif *isect_t = T * inv_den; return true; |