diff options
author | Sergey Sharybin <sergey.vfx@gmail.com> | 2016-09-09 12:32:05 +0300 |
---|---|---|
committer | Sergey Sharybin <sergey.vfx@gmail.com> | 2016-09-09 12:32:05 +0300 |
commit | 70e7c0829e17b632269c0d6a04a4a631940d2e92 (patch) | |
tree | f99374be77fb19ec6da65bfd42d987e70cc20ff5 /intern/cycles/bvh/bvh.cpp | |
parent | d205bc3059202b93550812eb72d92ad8ceaff47c (diff) |
Cycles: Deduplicate QBVH node packing across BVH build and refit
Diffstat (limited to 'intern/cycles/bvh/bvh.cpp')
-rw-r--r-- | intern/cycles/bvh/bvh.cpp | 129 |
1 files changed, 67 insertions, 62 deletions
diff --git a/intern/cycles/bvh/bvh.cpp b/intern/cycles/bvh/bvh.cpp index 09bd03cd0c9..4f97abd6750 100644 --- a/intern/cycles/bvh/bvh.cpp +++ b/intern/cycles/bvh/bvh.cpp @@ -835,13 +835,32 @@ void QBVH::pack_aligned_inner(const BVHStackEntry& e, const BVHStackEntry *en, int num) { + BoundBox bounds[4]; + int child[4]; + for(int i = 0; i < num; ++i) { + bounds[i] = en[i].node->m_bounds; + child[i] = en[i].encodeIdx(); + } + pack_aligned_node(e.idx, + bounds, + child, + e.node->m_visibility, + num); +} + +void QBVH::pack_aligned_node(int idx, + const BoundBox *bounds, + const int *child, + const uint visibility, + const int num) +{ float4 data[BVH_QNODE_SIZE]; memset(data, 0, sizeof(data)); - data[0].x = __uint_as_float(e.node->m_visibility & ~PATH_RAY_NODE_UNALIGNED); + data[0].x = __uint_as_float(visibility & ~PATH_RAY_NODE_UNALIGNED); for(int i = 0; i < num; i++) { - float3 bb_min = en[i].node->m_bounds.min; - float3 bb_max = en[i].node->m_bounds.max; + float3 bb_min = bounds[i].min; + float3 bb_max = bounds[i].max; data[1][i] = bb_min.x; data[2][i] = bb_max.x; @@ -850,7 +869,7 @@ void QBVH::pack_aligned_inner(const BVHStackEntry& e, data[5][i] = bb_min.z; data[6][i] = bb_max.z; - data[7][i] = __int_as_float(en[i].encodeIdx()); + data[7][i] = __int_as_float(child[i]); } for(int i = num; i < 4; i++) { @@ -869,22 +888,45 @@ void QBVH::pack_aligned_inner(const BVHStackEntry& e, data[7][i] = __int_as_float(0); } - memcpy(&pack.nodes[e.idx], data, sizeof(float4)*BVH_QNODE_SIZE); + memcpy(&pack.nodes[idx], data, sizeof(float4)*BVH_QNODE_SIZE); } void QBVH::pack_unaligned_inner(const BVHStackEntry& e, const BVHStackEntry *en, int num) { + Transform aligned_space[4]; + BoundBox bounds[4]; + int child[4]; + for(int i = 0; i < num; ++i) { + aligned_space[i] = en[i].node->get_aligned_space(); + bounds[i] = en[i].node->m_bounds; + child[i] = en[i].encodeIdx(); + } + pack_unaligned_node(e.idx, + aligned_space, + bounds, + child, + e.node->m_visibility, + num); +} + +void QBVH::pack_unaligned_node(int idx, + const Transform *aligned_space, + const BoundBox *bounds, + const int *child, + const uint visibility, + const int num) +{ float4 data[BVH_UNALIGNED_QNODE_SIZE]; memset(data, 0, sizeof(data)); - data[0].x = __uint_as_float(e.node->m_visibility | PATH_RAY_NODE_UNALIGNED); + data[0].x = __uint_as_float(visibility | PATH_RAY_NODE_UNALIGNED); for(int i = 0; i < num; i++) { Transform space = BVHUnaligned::compute_node_transform( - en[i].node->m_bounds, - en[i].node->get_aligned_space()); + bounds[i], + aligned_space[i]); data[1][i] = space.x.x; data[2][i] = space.x.y; @@ -902,7 +944,7 @@ void QBVH::pack_unaligned_inner(const BVHStackEntry& e, data[11][i] = space.y.w; data[12][i] = space.z.w; - data[13][i] = __int_as_float(en[i].encodeIdx()); + data[13][i] = __int_as_float(child[i]); } for(int i = num; i < 4; i++) { @@ -915,7 +957,7 @@ void QBVH::pack_unaligned_inner(const BVHStackEntry& e, data[13][i] = __int_as_float(0); } - memcpy(&pack.nodes[e.idx], data, sizeof(float4)*BVH_UNALIGNED_QNODE_SIZE); + memcpy(&pack.nodes[idx], data, sizeof(float4)*BVH_UNALIGNED_QNODE_SIZE); } /* Quad SIMD Nodes */ @@ -1141,61 +1183,24 @@ void QBVH::refit_node(int idx, bool leaf, BoundBox& bbox, uint& visibility) } } - /* TODO(sergey): To be de-duplicated with pack_inner(), - * but for that need some sort of pack_node(). which operates with - * direct data, not stack element. - */ if(is_unaligned) { - Transform aligned_space = transform_identity(); - float4 inner_data[BVH_UNALIGNED_QNODE_SIZE]; - inner_data[0] = make_float4( - __int_as_float(visibility | PATH_RAY_NODE_UNALIGNED), - 0.0f, - 0.0f, - 0.0f); - for(int i = 0; i < 4; ++i) { - Transform space = BVHUnaligned::compute_node_transform( - child_bbox[i], - aligned_space); - inner_data[1][i] = space.x.x; - inner_data[2][i] = space.x.y; - inner_data[3][i] = space.x.z; - - inner_data[4][i] = space.y.x; - inner_data[5][i] = space.y.y; - inner_data[6][i] = space.y.z; - - inner_data[7][i] = space.z.x; - inner_data[8][i] = space.z.y; - inner_data[9][i] = space.z.z; - - inner_data[10][i] = space.x.w; - inner_data[11][i] = space.y.w; - inner_data[12][i] = space.z.w; - - inner_data[13][i] = __int_as_float(c[i]); - } - memcpy(&pack.nodes[idx], inner_data, sizeof(float4)*BVH_UNALIGNED_QNODE_SIZE); + Transform aligned_space[4] = {transform_identity(), + transform_identity(), + transform_identity(), + transform_identity()}; + pack_unaligned_node(idx, + aligned_space, + child_bbox, + &c[0], + visibility, + 4); } else { - float4 inner_data[BVH_QNODE_SIZE]; - inner_data[0] = make_float4( - __int_as_float(visibility & ~PATH_RAY_NODE_UNALIGNED), - 0.0f, - 0.0f, - 0.0f); - for(int i = 0; i < 4; ++i) { - float3 bb_min = child_bbox[i].min; - float3 bb_max = child_bbox[i].max; - inner_data[1][i] = bb_min.x; - inner_data[2][i] = bb_max.x; - inner_data[3][i] = bb_min.y; - inner_data[4][i] = bb_max.y; - inner_data[5][i] = bb_min.z; - inner_data[6][i] = bb_max.z; - inner_data[7][i] = __int_as_float(c[i]); - } - memcpy(&pack.nodes[idx], inner_data, sizeof(float4)*BVH_QNODE_SIZE); + pack_aligned_node(idx, + child_bbox, + &c[0], + visibility, + 4); } } } |