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Diffstat (limited to 'intern/cycles/util')
-rw-r--r--intern/cycles/util/math_intersect.h48
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;