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Differential D2828 Diff 9244 intern/cycles/kernel/bvh/qbvh_nodes.h

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intern/cycles/kernel/bvh/qbvh_nodes.h

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#endif #endif
#ifdef __KERNEL_SSE41__ #ifdef __KERNEL_SSE41__
const ssef tnear = maxi(maxi(tnear_x, tnear_y), maxi(tnear_z, isect_near)); const ssef tnear = maxi(maxi(tnear_x, tnear_y), maxi(tnear_z, isect_near));
const ssef tfar = mini(mini(tfar_x, tfar_y), mini(tfar_z, isect_far)); const ssef tfar = mini(mini(tfar_x, tfar_y), mini(tfar_z, isect_far));
const sseb vmask = cast(tnear) > cast(tfar); const sseb vmask = cast(tnear) > cast(tfar);
int mask = (int)movemask(vmask)^0xf; int mask = (int)movemask(vmask)^0xf;
#else #else
const ssef tnear = max4(tnear_x, tnear_y, tnear_z, isect_near); const ssef tnear = max4(isect_near, tnear_x, tnear_y, tnear_z);
const ssef tfar = min4(tfar_x, tfar_y, tfar_z, isect_far); const ssef tfar = min4(isect_far, tfar_x, tfar_y, tfar_z);
const sseb vmask = tnear <= tfar; const sseb vmask = tnear <= tfar;
int mask = (int)movemask(vmask); int mask = (int)movemask(vmask);
#endif #endif
*dist = tnear; *dist = tnear;
return mask; return mask;
} }
ccl_device_inline int qbvh_aligned_node_intersect_robust( ccl_device_inline int qbvh_aligned_node_intersect_robust(
Show All 30 Lines#else
const ssef tnear_z = (kernel_tex_fetch_ssef(__bvh_nodes, offset+near_z) - P.z) * idir.z; const ssef tnear_z = (kernel_tex_fetch_ssef(__bvh_nodes, offset+near_z) - P.z) * idir.z;
const ssef tfar_x = (kernel_tex_fetch_ssef(__bvh_nodes, offset+far_x) - P.x) * idir.x; const ssef tfar_x = (kernel_tex_fetch_ssef(__bvh_nodes, offset+far_x) - P.x) * idir.x;
const ssef tfar_y = (kernel_tex_fetch_ssef(__bvh_nodes, offset+far_y) - P.y) * idir.y; const ssef tfar_y = (kernel_tex_fetch_ssef(__bvh_nodes, offset+far_y) - P.y) * idir.y;
const ssef tfar_z = (kernel_tex_fetch_ssef(__bvh_nodes, offset+far_z) - P.z) * idir.z; const ssef tfar_z = (kernel_tex_fetch_ssef(__bvh_nodes, offset+far_z) - P.z) * idir.z;
#endif #endif
const float round_down = 1.0f - difl; const float round_down = 1.0f - difl;
const float round_up = 1.0f + difl; const float round_up = 1.0f + difl;
const ssef tnear = max4(tnear_x, tnear_y, tnear_z, isect_near); const ssef tnear = max4(isect_near, tnear_x, tnear_y, tnear_z);
const ssef tfar = min4(tfar_x, tfar_y, tfar_z, isect_far); const ssef tfar = min4(isect_far, tfar_x, tfar_y, tfar_z);
const sseb vmask = round_down*tnear <= round_up*tfar; const sseb vmask = round_down*tnear <= round_up*tfar;
*dist = tnear; *dist = tnear;
return (int)movemask(vmask); return (int)movemask(vmask);
} }
/* Unaligned nodes intersection */ /* Unaligned nodes intersection */
ccl_device_inline int qbvh_unaligned_node_intersect( ccl_device_inline int qbvh_unaligned_node_intersect(
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