diff options
Diffstat (limited to 'intern/cycles/kernel/bvh/qbvh_nodes.h')
-rw-r--r-- | intern/cycles/kernel/bvh/qbvh_nodes.h | 700 |
1 files changed, 375 insertions, 325 deletions
diff --git a/intern/cycles/kernel/bvh/qbvh_nodes.h b/intern/cycles/kernel/bvh/qbvh_nodes.h index 2e622af1758..7c1d8c8c72e 100644 --- a/intern/cycles/kernel/bvh/qbvh_nodes.h +++ b/intern/cycles/kernel/bvh/qbvh_nodes.h @@ -17,11 +17,11 @@ */ struct QBVHStackItem { - int addr; - float dist; + int addr; + float dist; }; -ccl_device_inline void qbvh_near_far_idx_calc(const float3& idir, +ccl_device_inline void qbvh_near_far_idx_calc(const float3 &idir, int *ccl_restrict near_x, int *ccl_restrict near_y, int *ccl_restrict near_z, @@ -31,44 +31,76 @@ ccl_device_inline void qbvh_near_far_idx_calc(const float3& idir, { #ifdef __KERNEL_SSE__ - *near_x = 0; *far_x = 1; - *near_y = 2; *far_y = 3; - *near_z = 4; *far_z = 5; - - const size_t mask = movemask(ssef(idir.m128)); - - const int mask_x = mask & 1; - const int mask_y = (mask & 2) >> 1; - const int mask_z = (mask & 4) >> 2; - - *near_x += mask_x; *far_x -= mask_x; - *near_y += mask_y; *far_y -= mask_y; - *near_z += mask_z; *far_z -= mask_z; + *near_x = 0; + *far_x = 1; + *near_y = 2; + *far_y = 3; + *near_z = 4; + *far_z = 5; + + const size_t mask = movemask(ssef(idir.m128)); + + const int mask_x = mask & 1; + const int mask_y = (mask & 2) >> 1; + const int mask_z = (mask & 4) >> 2; + + *near_x += mask_x; + *far_x -= mask_x; + *near_y += mask_y; + *far_y -= mask_y; + *near_z += mask_z; + *far_z -= mask_z; #else - if(idir.x >= 0.0f) { *near_x = 0; *far_x = 1; } else { *near_x = 1; *far_x = 0; } - if(idir.y >= 0.0f) { *near_y = 2; *far_y = 3; } else { *near_y = 3; *far_y = 2; } - if(idir.z >= 0.0f) { *near_z = 4; *far_z = 5; } else { *near_z = 5; *far_z = 4; } + if (idir.x >= 0.0f) { + *near_x = 0; + *far_x = 1; + } + else { + *near_x = 1; + *far_x = 0; + } + if (idir.y >= 0.0f) { + *near_y = 2; + *far_y = 3; + } + else { + *near_y = 3; + *far_y = 2; + } + if (idir.z >= 0.0f) { + *near_z = 4; + *far_z = 5; + } + else { + *near_z = 5; + *far_z = 4; + } #endif } /* TOOD(sergey): Investigate if using intrinsics helps for both * stack item swap and float comparison. */ -ccl_device_inline void qbvh_item_swap(QBVHStackItem *ccl_restrict a, - QBVHStackItem *ccl_restrict b) +ccl_device_inline void qbvh_item_swap(QBVHStackItem *ccl_restrict a, QBVHStackItem *ccl_restrict b) { - QBVHStackItem tmp = *a; - *a = *b; - *b = tmp; + QBVHStackItem tmp = *a; + *a = *b; + *b = tmp; } ccl_device_inline void qbvh_stack_sort(QBVHStackItem *ccl_restrict s1, QBVHStackItem *ccl_restrict s2, QBVHStackItem *ccl_restrict s3) { - if(s2->dist < s1->dist) { qbvh_item_swap(s2, s1); } - if(s3->dist < s2->dist) { qbvh_item_swap(s3, s2); } - if(s2->dist < s1->dist) { qbvh_item_swap(s2, s1); } + if (s2->dist < s1->dist) { + qbvh_item_swap(s2, s1); + } + if (s3->dist < s2->dist) { + qbvh_item_swap(s3, s2); + } + if (s2->dist < s1->dist) { + qbvh_item_swap(s2, s1); + } } ccl_device_inline void qbvh_stack_sort(QBVHStackItem *ccl_restrict s1, @@ -76,279 +108,283 @@ ccl_device_inline void qbvh_stack_sort(QBVHStackItem *ccl_restrict s1, QBVHStackItem *ccl_restrict s3, QBVHStackItem *ccl_restrict s4) { - if(s2->dist < s1->dist) { qbvh_item_swap(s2, s1); } - if(s4->dist < s3->dist) { qbvh_item_swap(s4, s3); } - if(s3->dist < s1->dist) { qbvh_item_swap(s3, s1); } - if(s4->dist < s2->dist) { qbvh_item_swap(s4, s2); } - if(s3->dist < s2->dist) { qbvh_item_swap(s3, s2); } + if (s2->dist < s1->dist) { + qbvh_item_swap(s2, s1); + } + if (s4->dist < s3->dist) { + qbvh_item_swap(s4, s3); + } + if (s3->dist < s1->dist) { + qbvh_item_swap(s3, s1); + } + if (s4->dist < s2->dist) { + qbvh_item_swap(s4, s2); + } + if (s3->dist < s2->dist) { + qbvh_item_swap(s3, s2); + } } /* Axis-aligned nodes intersection */ //ccl_device_inline int qbvh_aligned_node_intersect(KernelGlobals *ccl_restrict kg, static int qbvh_aligned_node_intersect(KernelGlobals *ccl_restrict kg, - const ssef& isect_near, - const ssef& isect_far, + const ssef &isect_near, + const ssef &isect_far, #ifdef __KERNEL_AVX2__ - const sse3f& org_idir, + const sse3f &org_idir, #else - const sse3f& org, + const sse3f &org, #endif - const sse3f& idir, - const int near_x, - const int near_y, - const int near_z, - const int far_x, - const int far_y, - const int far_z, - const int node_addr, - ssef *ccl_restrict dist) + const sse3f &idir, + const int near_x, + const int near_y, + const int near_z, + const int far_x, + const int far_y, + const int far_z, + const int node_addr, + ssef *ccl_restrict dist) { - const int offset = node_addr + 1; + const int offset = node_addr + 1; #ifdef __KERNEL_AVX2__ - const ssef tnear_x = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+near_x), idir.x, org_idir.x); - const ssef tnear_y = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+near_y), idir.y, org_idir.y); - const ssef tnear_z = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+near_z), idir.z, org_idir.z); - const ssef tfar_x = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+far_x), idir.x, org_idir.x); - const ssef tfar_y = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+far_y), idir.y, org_idir.y); - const ssef tfar_z = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+far_z), idir.z, org_idir.z); + const ssef tnear_x = msub( + kernel_tex_fetch_ssef(__bvh_nodes, offset + near_x), idir.x, org_idir.x); + const ssef tnear_y = msub( + kernel_tex_fetch_ssef(__bvh_nodes, offset + near_y), idir.y, org_idir.y); + const ssef tnear_z = msub( + kernel_tex_fetch_ssef(__bvh_nodes, offset + near_z), idir.z, org_idir.z); + const ssef tfar_x = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset + far_x), idir.x, org_idir.x); + const ssef tfar_y = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset + far_y), idir.y, org_idir.y); + const ssef tfar_z = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset + far_z), idir.z, org_idir.z); #else - const ssef tnear_x = (kernel_tex_fetch_ssef(__bvh_nodes, offset+near_x) - org.x) * idir.x; - const ssef tnear_y = (kernel_tex_fetch_ssef(__bvh_nodes, offset+near_y) - org.y) * idir.y; - const ssef tnear_z = (kernel_tex_fetch_ssef(__bvh_nodes, offset+near_z) - org.z) * idir.z; - const ssef tfar_x = (kernel_tex_fetch_ssef(__bvh_nodes, offset+far_x) - org.x) * idir.x; - const ssef tfar_y = (kernel_tex_fetch_ssef(__bvh_nodes, offset+far_y) - org.y) * idir.y; - const ssef tfar_z = (kernel_tex_fetch_ssef(__bvh_nodes, offset+far_z) - org.z) * idir.z; + const ssef tnear_x = (kernel_tex_fetch_ssef(__bvh_nodes, offset + near_x) - org.x) * idir.x; + const ssef tnear_y = (kernel_tex_fetch_ssef(__bvh_nodes, offset + near_y) - org.y) * idir.y; + const ssef tnear_z = (kernel_tex_fetch_ssef(__bvh_nodes, offset + near_z) - org.z) * idir.z; + const ssef tfar_x = (kernel_tex_fetch_ssef(__bvh_nodes, offset + far_x) - org.x) * idir.x; + const ssef tfar_y = (kernel_tex_fetch_ssef(__bvh_nodes, offset + far_y) - org.y) * idir.y; + const ssef tfar_z = (kernel_tex_fetch_ssef(__bvh_nodes, offset + far_z) - org.z) * idir.z; #endif #ifdef __KERNEL_SSE41__ - 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 sseb vmask = cast(tnear) > cast(tfar); - int mask = (int)movemask(vmask)^0xf; + 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 sseb vmask = cast(tnear) > cast(tfar); + int mask = (int)movemask(vmask) ^ 0xf; #else - const ssef tnear = max4(isect_near, tnear_x, tnear_y, tnear_z); - const ssef tfar = min4(isect_far, tfar_x, tfar_y, tfar_z); - const sseb vmask = tnear <= tfar; - int mask = (int)movemask(vmask); + const ssef tnear = max4(isect_near, tnear_x, tnear_y, tnear_z); + const ssef tfar = min4(isect_far, tfar_x, tfar_y, tfar_z); + const sseb vmask = tnear <= tfar; + int mask = (int)movemask(vmask); #endif - *dist = tnear; - return mask; + *dist = tnear; + return mask; } -ccl_device_inline int qbvh_aligned_node_intersect_robust( - KernelGlobals *ccl_restrict kg, - const ssef& isect_near, - const ssef& isect_far, +ccl_device_inline int qbvh_aligned_node_intersect_robust(KernelGlobals *ccl_restrict kg, + const ssef &isect_near, + const ssef &isect_far, #ifdef __KERNEL_AVX2__ - const sse3f& P_idir, + const sse3f &P_idir, #else - const sse3f& P, + const sse3f &P, #endif - const sse3f& idir, - const int near_x, - const int near_y, - const int near_z, - const int far_x, - const int far_y, - const int far_z, - const int node_addr, - const float difl, - ssef *ccl_restrict dist) + const sse3f &idir, + const int near_x, + const int near_y, + const int near_z, + const int far_x, + const int far_y, + const int far_z, + const int node_addr, + const float difl, + ssef *ccl_restrict dist) { - const int offset = node_addr + 1; + const int offset = node_addr + 1; #ifdef __KERNEL_AVX2__ - const ssef tnear_x = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+near_x), idir.x, P_idir.x); - const ssef tnear_y = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+near_y), idir.y, P_idir.y); - const ssef tnear_z = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+near_z), idir.z, P_idir.z); - const ssef tfar_x = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+far_x), idir.x, P_idir.x); - const ssef tfar_y = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+far_y), idir.y, P_idir.y); - const ssef tfar_z = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset+far_z), idir.z, P_idir.z); + const ssef tnear_x = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset + near_x), idir.x, P_idir.x); + const ssef tnear_y = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset + near_y), idir.y, P_idir.y); + const ssef tnear_z = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset + near_z), idir.z, P_idir.z); + const ssef tfar_x = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset + far_x), idir.x, P_idir.x); + const ssef tfar_y = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset + far_y), idir.y, P_idir.y); + const ssef tfar_z = msub(kernel_tex_fetch_ssef(__bvh_nodes, offset + far_z), idir.z, P_idir.z); #else - const ssef tnear_x = (kernel_tex_fetch_ssef(__bvh_nodes, offset+near_x) - P.x) * idir.x; - const ssef tnear_y = (kernel_tex_fetch_ssef(__bvh_nodes, offset+near_y) - P.y) * idir.y; - 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_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 tnear_x = (kernel_tex_fetch_ssef(__bvh_nodes, offset + near_x) - P.x) * idir.x; + const ssef tnear_y = (kernel_tex_fetch_ssef(__bvh_nodes, offset + near_y) - P.y) * idir.y; + 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_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; #endif - const float round_down = 1.0f - difl; - const float round_up = 1.0f + difl; - const ssef tnear = max4(isect_near, tnear_x, tnear_y, tnear_z); - const ssef tfar = min4(isect_far, tfar_x, tfar_y, tfar_z); - const sseb vmask = round_down*tnear <= round_up*tfar; - *dist = tnear; - return (int)movemask(vmask); + const float round_down = 1.0f - difl; + const float round_up = 1.0f + difl; + const ssef tnear = max4(isect_near, tnear_x, tnear_y, tnear_z); + const ssef tfar = min4(isect_far, tfar_x, tfar_y, tfar_z); + const sseb vmask = round_down * tnear <= round_up * tfar; + *dist = tnear; + return (int)movemask(vmask); } /* Unaligned nodes intersection */ -ccl_device_inline int qbvh_unaligned_node_intersect( - KernelGlobals *ccl_restrict kg, - const ssef& isect_near, - const ssef& isect_far, +ccl_device_inline int qbvh_unaligned_node_intersect(KernelGlobals *ccl_restrict kg, + const ssef &isect_near, + const ssef &isect_far, #ifdef __KERNEL_AVX2__ - const sse3f& org_idir, + const sse3f &org_idir, #endif - const sse3f& org, - const sse3f& dir, - const sse3f& idir, - const int near_x, - const int near_y, - const int near_z, - const int far_x, - const int far_y, - const int far_z, - const int node_addr, - ssef *ccl_restrict dist) + const sse3f &org, + const sse3f &dir, + const sse3f &idir, + const int near_x, + const int near_y, + const int near_z, + const int far_x, + const int far_y, + const int far_z, + const int node_addr, + ssef *ccl_restrict dist) { - const int offset = node_addr; - const ssef tfm_x_x = kernel_tex_fetch_ssef(__bvh_nodes, offset+1); - const ssef tfm_x_y = kernel_tex_fetch_ssef(__bvh_nodes, offset+2); - const ssef tfm_x_z = kernel_tex_fetch_ssef(__bvh_nodes, offset+3); + const int offset = node_addr; + const ssef tfm_x_x = kernel_tex_fetch_ssef(__bvh_nodes, offset + 1); + const ssef tfm_x_y = kernel_tex_fetch_ssef(__bvh_nodes, offset + 2); + const ssef tfm_x_z = kernel_tex_fetch_ssef(__bvh_nodes, offset + 3); - const ssef tfm_y_x = kernel_tex_fetch_ssef(__bvh_nodes, offset+4); - const ssef tfm_y_y = kernel_tex_fetch_ssef(__bvh_nodes, offset+5); - const ssef tfm_y_z = kernel_tex_fetch_ssef(__bvh_nodes, offset+6); + const ssef tfm_y_x = kernel_tex_fetch_ssef(__bvh_nodes, offset + 4); + const ssef tfm_y_y = kernel_tex_fetch_ssef(__bvh_nodes, offset + 5); + const ssef tfm_y_z = kernel_tex_fetch_ssef(__bvh_nodes, offset + 6); - const ssef tfm_z_x = kernel_tex_fetch_ssef(__bvh_nodes, offset+7); - const ssef tfm_z_y = kernel_tex_fetch_ssef(__bvh_nodes, offset+8); - const ssef tfm_z_z = kernel_tex_fetch_ssef(__bvh_nodes, offset+9); + const ssef tfm_z_x = kernel_tex_fetch_ssef(__bvh_nodes, offset + 7); + const ssef tfm_z_y = kernel_tex_fetch_ssef(__bvh_nodes, offset + 8); + const ssef tfm_z_z = kernel_tex_fetch_ssef(__bvh_nodes, offset + 9); - const ssef tfm_t_x = kernel_tex_fetch_ssef(__bvh_nodes, offset+10); - const ssef tfm_t_y = kernel_tex_fetch_ssef(__bvh_nodes, offset+11); - const ssef tfm_t_z = kernel_tex_fetch_ssef(__bvh_nodes, offset+12); + const ssef tfm_t_x = kernel_tex_fetch_ssef(__bvh_nodes, offset + 10); + const ssef tfm_t_y = kernel_tex_fetch_ssef(__bvh_nodes, offset + 11); + const ssef tfm_t_z = kernel_tex_fetch_ssef(__bvh_nodes, offset + 12); - const ssef aligned_dir_x = dir.x*tfm_x_x + dir.y*tfm_x_y + dir.z*tfm_x_z, - aligned_dir_y = dir.x*tfm_y_x + dir.y*tfm_y_y + dir.z*tfm_y_z, - aligned_dir_z = dir.x*tfm_z_x + dir.y*tfm_z_y + dir.z*tfm_z_z; + const ssef aligned_dir_x = dir.x * tfm_x_x + dir.y * tfm_x_y + dir.z * tfm_x_z, + aligned_dir_y = dir.x * tfm_y_x + dir.y * tfm_y_y + dir.z * tfm_y_z, + aligned_dir_z = dir.x * tfm_z_x + dir.y * tfm_z_y + dir.z * tfm_z_z; - const ssef aligned_P_x = org.x*tfm_x_x + org.y*tfm_x_y + org.z*tfm_x_z + tfm_t_x, - aligned_P_y = org.x*tfm_y_x + org.y*tfm_y_y + org.z*tfm_y_z + tfm_t_y, - aligned_P_z = org.x*tfm_z_x + org.y*tfm_z_y + org.z*tfm_z_z + tfm_t_z; + const ssef aligned_P_x = org.x * tfm_x_x + org.y * tfm_x_y + org.z * tfm_x_z + tfm_t_x, + aligned_P_y = org.x * tfm_y_x + org.y * tfm_y_y + org.z * tfm_y_z + tfm_t_y, + aligned_P_z = org.x * tfm_z_x + org.y * tfm_z_y + org.z * tfm_z_z + tfm_t_z; - const ssef neg_one(-1.0f, -1.0f, -1.0f, -1.0f); - const ssef nrdir_x = neg_one / aligned_dir_x, - nrdir_y = neg_one / aligned_dir_y, - nrdir_z = neg_one / aligned_dir_z; + const ssef neg_one(-1.0f, -1.0f, -1.0f, -1.0f); + const ssef nrdir_x = neg_one / aligned_dir_x, nrdir_y = neg_one / aligned_dir_y, + nrdir_z = neg_one / aligned_dir_z; - const ssef tlower_x = aligned_P_x * nrdir_x, - tlower_y = aligned_P_y * nrdir_y, - tlower_z = aligned_P_z * nrdir_z; + const ssef tlower_x = aligned_P_x * nrdir_x, tlower_y = aligned_P_y * nrdir_y, + tlower_z = aligned_P_z * nrdir_z; - const ssef tupper_x = tlower_x - nrdir_x, - tupper_y = tlower_y - nrdir_y, - tupper_z = tlower_z - nrdir_z; + const ssef tupper_x = tlower_x - nrdir_x, tupper_y = tlower_y - nrdir_y, + tupper_z = tlower_z - nrdir_z; #ifdef __KERNEL_SSE41__ - const ssef tnear_x = mini(tlower_x, tupper_x); - const ssef tnear_y = mini(tlower_y, tupper_y); - const ssef tnear_z = mini(tlower_z, tupper_z); - const ssef tfar_x = maxi(tlower_x, tupper_x); - const ssef tfar_y = maxi(tlower_y, tupper_y); - const ssef tfar_z = maxi(tlower_z, tupper_z); - const ssef tnear = max4(isect_near, tnear_x, tnear_y, tnear_z); - const ssef tfar = min4(isect_far, tfar_x, tfar_y, tfar_z); - const sseb vmask = tnear <= tfar; - *dist = tnear; - return movemask(vmask); + const ssef tnear_x = mini(tlower_x, tupper_x); + const ssef tnear_y = mini(tlower_y, tupper_y); + const ssef tnear_z = mini(tlower_z, tupper_z); + const ssef tfar_x = maxi(tlower_x, tupper_x); + const ssef tfar_y = maxi(tlower_y, tupper_y); + const ssef tfar_z = maxi(tlower_z, tupper_z); + const ssef tnear = max4(isect_near, tnear_x, tnear_y, tnear_z); + const ssef tfar = min4(isect_far, tfar_x, tfar_y, tfar_z); + const sseb vmask = tnear <= tfar; + *dist = tnear; + return movemask(vmask); #else - const ssef tnear_x = min(tlower_x, tupper_x); - const ssef tnear_y = min(tlower_y, tupper_y); - const ssef tnear_z = min(tlower_z, tupper_z); - const ssef tfar_x = max(tlower_x, tupper_x); - const ssef tfar_y = max(tlower_y, tupper_y); - const ssef tfar_z = max(tlower_z, tupper_z); - const ssef tnear = max4(isect_near, tnear_x, tnear_y, tnear_z); - const ssef tfar = min4(isect_far, tfar_x, tfar_y, tfar_z); - const sseb vmask = tnear <= tfar; - *dist = tnear; - return movemask(vmask); + const ssef tnear_x = min(tlower_x, tupper_x); + const ssef tnear_y = min(tlower_y, tupper_y); + const ssef tnear_z = min(tlower_z, tupper_z); + const ssef tfar_x = max(tlower_x, tupper_x); + const ssef tfar_y = max(tlower_y, tupper_y); + const ssef tfar_z = max(tlower_z, tupper_z); + const ssef tnear = max4(isect_near, tnear_x, tnear_y, tnear_z); + const ssef tfar = min4(isect_far, tfar_x, tfar_y, tfar_z); + const sseb vmask = tnear <= tfar; + *dist = tnear; + return movemask(vmask); #endif } -ccl_device_inline int qbvh_unaligned_node_intersect_robust( - KernelGlobals *ccl_restrict kg, - const ssef& isect_near, - const ssef& isect_far, +ccl_device_inline int qbvh_unaligned_node_intersect_robust(KernelGlobals *ccl_restrict kg, + const ssef &isect_near, + const ssef &isect_far, #ifdef __KERNEL_AVX2__ - const sse3f& P_idir, + const sse3f &P_idir, #endif - const sse3f& P, - const sse3f& dir, - const sse3f& idir, - const int near_x, - const int near_y, - const int near_z, - const int far_x, - const int far_y, - const int far_z, - const int node_addr, - const float difl, - ssef *ccl_restrict dist) + const sse3f &P, + const sse3f &dir, + const sse3f &idir, + const int near_x, + const int near_y, + const int near_z, + const int far_x, + const int far_y, + const int far_z, + const int node_addr, + const float difl, + ssef *ccl_restrict dist) { - const int offset = node_addr; - const ssef tfm_x_x = kernel_tex_fetch_ssef(__bvh_nodes, offset+1); - const ssef tfm_x_y = kernel_tex_fetch_ssef(__bvh_nodes, offset+2); - const ssef tfm_x_z = kernel_tex_fetch_ssef(__bvh_nodes, offset+3); + const int offset = node_addr; + const ssef tfm_x_x = kernel_tex_fetch_ssef(__bvh_nodes, offset + 1); + const ssef tfm_x_y = kernel_tex_fetch_ssef(__bvh_nodes, offset + 2); + const ssef tfm_x_z = kernel_tex_fetch_ssef(__bvh_nodes, offset + 3); - const ssef tfm_y_x = kernel_tex_fetch_ssef(__bvh_nodes, offset+4); - const ssef tfm_y_y = kernel_tex_fetch_ssef(__bvh_nodes, offset+5); - const ssef tfm_y_z = kernel_tex_fetch_ssef(__bvh_nodes, offset+6); + const ssef tfm_y_x = kernel_tex_fetch_ssef(__bvh_nodes, offset + 4); + const ssef tfm_y_y = kernel_tex_fetch_ssef(__bvh_nodes, offset + 5); + const ssef tfm_y_z = kernel_tex_fetch_ssef(__bvh_nodes, offset + 6); - const ssef tfm_z_x = kernel_tex_fetch_ssef(__bvh_nodes, offset+7); - const ssef tfm_z_y = kernel_tex_fetch_ssef(__bvh_nodes, offset+8); - const ssef tfm_z_z = kernel_tex_fetch_ssef(__bvh_nodes, offset+9); + const ssef tfm_z_x = kernel_tex_fetch_ssef(__bvh_nodes, offset + 7); + const ssef tfm_z_y = kernel_tex_fetch_ssef(__bvh_nodes, offset + 8); + const ssef tfm_z_z = kernel_tex_fetch_ssef(__bvh_nodes, offset + 9); - const ssef tfm_t_x = kernel_tex_fetch_ssef(__bvh_nodes, offset+10); - const ssef tfm_t_y = kernel_tex_fetch_ssef(__bvh_nodes, offset+11); - const ssef tfm_t_z = kernel_tex_fetch_ssef(__bvh_nodes, offset+12); + const ssef tfm_t_x = kernel_tex_fetch_ssef(__bvh_nodes, offset + 10); + const ssef tfm_t_y = kernel_tex_fetch_ssef(__bvh_nodes, offset + 11); + const ssef tfm_t_z = kernel_tex_fetch_ssef(__bvh_nodes, offset + 12); - const ssef aligned_dir_x = dir.x*tfm_x_x + dir.y*tfm_x_y + dir.z*tfm_x_z, - aligned_dir_y = dir.x*tfm_y_x + dir.y*tfm_y_y + dir.z*tfm_y_z, - aligned_dir_z = dir.x*tfm_z_x + dir.y*tfm_z_y + dir.z*tfm_z_z; + const ssef aligned_dir_x = dir.x * tfm_x_x + dir.y * tfm_x_y + dir.z * tfm_x_z, + aligned_dir_y = dir.x * tfm_y_x + dir.y * tfm_y_y + dir.z * tfm_y_z, + aligned_dir_z = dir.x * tfm_z_x + dir.y * tfm_z_y + dir.z * tfm_z_z; - const ssef aligned_P_x = P.x*tfm_x_x + P.y*tfm_x_y + P.z*tfm_x_z + tfm_t_x, - aligned_P_y = P.x*tfm_y_x + P.y*tfm_y_y + P.z*tfm_y_z + tfm_t_y, - aligned_P_z = P.x*tfm_z_x + P.y*tfm_z_y + P.z*tfm_z_z + tfm_t_z; + const ssef aligned_P_x = P.x * tfm_x_x + P.y * tfm_x_y + P.z * tfm_x_z + tfm_t_x, + aligned_P_y = P.x * tfm_y_x + P.y * tfm_y_y + P.z * tfm_y_z + tfm_t_y, + aligned_P_z = P.x * tfm_z_x + P.y * tfm_z_y + P.z * tfm_z_z + tfm_t_z; - const ssef neg_one(-1.0f, -1.0f, -1.0f, -1.0f); - const ssef nrdir_x = neg_one / aligned_dir_x, - nrdir_y = neg_one / aligned_dir_y, - nrdir_z = neg_one / aligned_dir_z; + const ssef neg_one(-1.0f, -1.0f, -1.0f, -1.0f); + const ssef nrdir_x = neg_one / aligned_dir_x, nrdir_y = neg_one / aligned_dir_y, + nrdir_z = neg_one / aligned_dir_z; - const ssef tlower_x = aligned_P_x * nrdir_x, - tlower_y = aligned_P_y * nrdir_y, - tlower_z = aligned_P_z * nrdir_z; + const ssef tlower_x = aligned_P_x * nrdir_x, tlower_y = aligned_P_y * nrdir_y, + tlower_z = aligned_P_z * nrdir_z; - const ssef tupper_x = tlower_x - nrdir_x, - tupper_y = tlower_y - nrdir_y, - tupper_z = tlower_z - nrdir_z; + const ssef tupper_x = tlower_x - nrdir_x, tupper_y = tlower_y - nrdir_y, + tupper_z = tlower_z - nrdir_z; - const float round_down = 1.0f - difl; - const float round_up = 1.0f + difl; + const float round_down = 1.0f - difl; + const float round_up = 1.0f + difl; #ifdef __KERNEL_SSE41__ - const ssef tnear_x = mini(tlower_x, tupper_x); - const ssef tnear_y = mini(tlower_y, tupper_y); - const ssef tnear_z = mini(tlower_z, tupper_z); - const ssef tfar_x = maxi(tlower_x, tupper_x); - const ssef tfar_y = maxi(tlower_y, tupper_y); - const ssef tfar_z = maxi(tlower_z, tupper_z); + const ssef tnear_x = mini(tlower_x, tupper_x); + const ssef tnear_y = mini(tlower_y, tupper_y); + const ssef tnear_z = mini(tlower_z, tupper_z); + const ssef tfar_x = maxi(tlower_x, tupper_x); + const ssef tfar_y = maxi(tlower_y, tupper_y); + const ssef tfar_z = maxi(tlower_z, tupper_z); #else - const ssef tnear_x = min(tlower_x, tupper_x); - const ssef tnear_y = min(tlower_y, tupper_y); - const ssef tnear_z = min(tlower_z, tupper_z); - const ssef tfar_x = max(tlower_x, tupper_x); - const ssef tfar_y = max(tlower_y, tupper_y); - const ssef tfar_z = max(tlower_z, tupper_z); + const ssef tnear_x = min(tlower_x, tupper_x); + const ssef tnear_y = min(tlower_y, tupper_y); + const ssef tnear_z = min(tlower_z, tupper_z); + const ssef tfar_x = max(tlower_x, tupper_x); + const ssef tfar_y = max(tlower_y, tupper_y); + const ssef tfar_z = max(tlower_z, tupper_z); #endif - const ssef tnear = max4(isect_near, tnear_x, tnear_y, tnear_z); - const ssef tfar = min4(isect_far, tfar_x, tfar_y, tfar_z); - const sseb vmask = round_down*tnear <= round_up*tfar; - *dist = tnear; - return movemask(vmask); + const ssef tnear = max4(isect_near, tnear_x, tnear_y, tnear_z); + const ssef tfar = min4(isect_far, tfar_x, tfar_y, tfar_z); + const sseb vmask = round_down * tnear <= round_up * tfar; + *dist = tnear; + return movemask(vmask); } /* Intersectors wrappers. @@ -356,111 +392,125 @@ ccl_device_inline int qbvh_unaligned_node_intersect_robust( * They'll check node type and call appropriate intersection code. */ -ccl_device_inline int qbvh_node_intersect( - KernelGlobals *ccl_restrict kg, - const ssef& isect_near, - const ssef& isect_far, +ccl_device_inline int qbvh_node_intersect(KernelGlobals *ccl_restrict kg, + const ssef &isect_near, + const ssef &isect_far, #ifdef __KERNEL_AVX2__ - const sse3f& org_idir, + const sse3f &org_idir, #endif - const sse3f& org, - const sse3f& dir, - const sse3f& idir, - const int near_x, - const int near_y, - const int near_z, - const int far_x, - const int far_y, - const int far_z, - const int node_addr, - ssef *ccl_restrict dist) + const sse3f &org, + const sse3f &dir, + const sse3f &idir, + const int near_x, + const int near_y, + const int near_z, + const int far_x, + const int far_y, + const int far_z, + const int node_addr, + ssef *ccl_restrict dist) { - const int offset = node_addr; - const float4 node = kernel_tex_fetch(__bvh_nodes, offset); - if(__float_as_uint(node.x) & PATH_RAY_NODE_UNALIGNED) { - return qbvh_unaligned_node_intersect(kg, - isect_near, - isect_far, + const int offset = node_addr; + const float4 node = kernel_tex_fetch(__bvh_nodes, offset); + if (__float_as_uint(node.x) & PATH_RAY_NODE_UNALIGNED) { + return qbvh_unaligned_node_intersect(kg, + isect_near, + isect_far, #ifdef __KERNEL_AVX2__ - org_idir, + org_idir, #endif - org, - dir, - idir, - near_x, near_y, near_z, - far_x, far_y, far_z, - node_addr, - dist); - } - else { - return qbvh_aligned_node_intersect(kg, - isect_near, - isect_far, + org, + dir, + idir, + near_x, + near_y, + near_z, + far_x, + far_y, + far_z, + node_addr, + dist); + } + else { + return qbvh_aligned_node_intersect(kg, + isect_near, + isect_far, #ifdef __KERNEL_AVX2__ - org_idir, + org_idir, #else - org, + org, #endif - idir, - near_x, near_y, near_z, - far_x, far_y, far_z, - node_addr, - dist); - } + idir, + near_x, + near_y, + near_z, + far_x, + far_y, + far_z, + node_addr, + dist); + } } -ccl_device_inline int qbvh_node_intersect_robust( - KernelGlobals *ccl_restrict kg, - const ssef& isect_near, - const ssef& isect_far, +ccl_device_inline int qbvh_node_intersect_robust(KernelGlobals *ccl_restrict kg, + const ssef &isect_near, + const ssef &isect_far, #ifdef __KERNEL_AVX2__ - const sse3f& P_idir, + const sse3f &P_idir, #endif - const sse3f& P, - const sse3f& dir, - const sse3f& idir, - const int near_x, - const int near_y, - const int near_z, - const int far_x, - const int far_y, - const int far_z, - const int node_addr, - const float difl, - ssef *ccl_restrict dist) + const sse3f &P, + const sse3f &dir, + const sse3f &idir, + const int near_x, + const int near_y, + const int near_z, + const int far_x, + const int far_y, + const int far_z, + const int node_addr, + const float difl, + ssef *ccl_restrict dist) { - const int offset = node_addr; - const float4 node = kernel_tex_fetch(__bvh_nodes, offset); - if(__float_as_uint(node.x) & PATH_RAY_NODE_UNALIGNED) { - return qbvh_unaligned_node_intersect_robust(kg, - isect_near, - isect_far, + const int offset = node_addr; + const float4 node = kernel_tex_fetch(__bvh_nodes, offset); + if (__float_as_uint(node.x) & PATH_RAY_NODE_UNALIGNED) { + return qbvh_unaligned_node_intersect_robust(kg, + isect_near, + isect_far, #ifdef __KERNEL_AVX2__ - P_idir, + P_idir, #endif - P, - dir, - idir, - near_x, near_y, near_z, - far_x, far_y, far_z, - node_addr, - difl, - dist); - } - else { - return qbvh_aligned_node_intersect_robust(kg, - isect_near, - isect_far, + P, + dir, + idir, + near_x, + near_y, + near_z, + far_x, + far_y, + far_z, + node_addr, + difl, + dist); + } + else { + return qbvh_aligned_node_intersect_robust(kg, + isect_near, + isect_far, #ifdef __KERNEL_AVX2__ - P_idir, + P_idir, #else - P, + P, #endif - idir, - near_x, near_y, near_z, - far_x, far_y, far_z, - node_addr, - difl, - dist); - } + idir, + near_x, + near_y, + near_z, + far_x, + far_y, + far_z, + node_addr, + difl, + dist); + } } |