diff options
Diffstat (limited to 'intern/cycles/kernel/bvh/volume_all.h')
| -rw-r--r-- | intern/cycles/kernel/bvh/volume_all.h | 101 |
1 files changed, 31 insertions, 70 deletions
diff --git a/intern/cycles/kernel/bvh/volume_all.h b/intern/cycles/kernel/bvh/volume_all.h index a969bae14a1..721eb555d4d 100644 --- a/intern/cycles/kernel/bvh/volume_all.h +++ b/intern/cycles/kernel/bvh/volume_all.h @@ -44,21 +44,17 @@ ccl_device_inline int node_addr = kernel_data.bvh.root; /* ray parameters in registers */ - const float tmax = ray->t; float3 P = ray->P; float3 dir = bvh_clamp_direction(ray->D); float3 idir = bvh_inverse_direction(dir); + const float tmin = ray->tmin; int object = OBJECT_NONE; - float isect_t = tmax; - -#if BVH_FEATURE(BVH_MOTION) - Transform ob_itfm; -#endif + float isect_t = ray->tmax; int num_hits_in_instance = 0; uint num_hits = 0; - isect_array->t = tmax; + isect_array->t = ray->tmax; /* traversal loop */ do { @@ -67,7 +63,7 @@ ccl_device_inline while (node_addr >= 0 && node_addr != ENTRYPOINT_SENTINEL) { int node_addr_child1, traverse_mask; float dist[2]; - float4 cnodes = kernel_tex_fetch(__bvh_nodes, node_addr + 0); + float4 cnodes = kernel_data_fetch(bvh_nodes, node_addr + 0); traverse_mask = NODE_INTERSECT(kg, P, @@ -75,6 +71,7 @@ ccl_device_inline dir, #endif idir, + tmin, isect_t, node_addr, visibility, @@ -111,7 +108,7 @@ ccl_device_inline /* if node is leaf, fetch triangle list */ if (node_addr < 0) { - float4 leaf = kernel_tex_fetch(__bvh_leaf_nodes, (-node_addr - 1)); + float4 leaf = kernel_data_fetch(bvh_leaf_nodes, (-node_addr - 1)); int prim_addr = __float_as_int(leaf.x); if (prim_addr >= 0) { @@ -128,21 +125,29 @@ ccl_device_inline case PRIMITIVE_TRIANGLE: { /* intersect ray against primitive */ for (; prim_addr < prim_addr2; prim_addr++) { - kernel_assert(kernel_tex_fetch(__prim_type, prim_addr) == type); + kernel_assert(kernel_data_fetch(prim_type, prim_addr) == type); /* only primitives from volume object */ const int prim_object = (object == OBJECT_NONE) ? - kernel_tex_fetch(__prim_object, prim_addr) : + kernel_data_fetch(prim_object, prim_addr) : object; - const int prim = kernel_tex_fetch(__prim_index, prim_addr); + const int prim = kernel_data_fetch(prim_index, prim_addr); if (intersection_skip_self(ray->self, prim_object, prim)) { continue; } - int object_flag = kernel_tex_fetch(__object_flag, prim_object); + int object_flag = kernel_data_fetch(object_flag, prim_object); if ((object_flag & SD_OBJECT_HAS_VOLUME) == 0) { continue; } - hit = triangle_intersect( - kg, isect_array, P, dir, isect_t, visibility, prim_object, prim, prim_addr); + hit = triangle_intersect(kg, + isect_array, + P, + dir, + tmin, + isect_t, + visibility, + prim_object, + prim, + prim_addr); if (hit) { /* Move on to next entry in intersections array. */ isect_array++; @@ -150,18 +155,6 @@ ccl_device_inline num_hits_in_instance++; isect_array->t = isect_t; if (num_hits == max_hits) { - if (object != OBJECT_NONE) { -#if BVH_FEATURE(BVH_MOTION) - float t_fac = 1.0f / len(transform_direction(&ob_itfm, dir)); -#else - Transform itfm = object_fetch_transform( - kg, object, OBJECT_INVERSE_TRANSFORM); - float t_fac = 1.0f / len(transform_direction(&itfm, dir)); -#endif - for (int i = 0; i < num_hits_in_instance; i++) { - (isect_array - i - 1)->t *= t_fac; - } - } return num_hits; } } @@ -172,16 +165,16 @@ ccl_device_inline case PRIMITIVE_MOTION_TRIANGLE: { /* intersect ray against primitive */ for (; prim_addr < prim_addr2; prim_addr++) { - kernel_assert(kernel_tex_fetch(__prim_type, prim_addr) == type); + kernel_assert(kernel_data_fetch(prim_type, prim_addr) == type); /* only primitives from volume object */ const int prim_object = (object == OBJECT_NONE) ? - kernel_tex_fetch(__prim_object, prim_addr) : + kernel_data_fetch(prim_object, prim_addr) : object; - const int prim = kernel_tex_fetch(__prim_index, prim_addr); + const int prim = kernel_data_fetch(prim_index, prim_addr); if (intersection_skip_self(ray->self, prim_object, prim)) { continue; } - int object_flag = kernel_tex_fetch(__object_flag, prim_object); + int object_flag = kernel_data_fetch(object_flag, prim_object); if ((object_flag & SD_OBJECT_HAS_VOLUME) == 0) { continue; } @@ -189,6 +182,7 @@ ccl_device_inline isect_array, P, dir, + tmin, isect_t, ray->time, visibility, @@ -202,18 +196,6 @@ ccl_device_inline num_hits_in_instance++; isect_array->t = isect_t; if (num_hits == max_hits) { - if (object != OBJECT_NONE) { -# if BVH_FEATURE(BVH_MOTION) - float t_fac = 1.0f / len(transform_direction(&ob_itfm, dir)); -# else - Transform itfm = object_fetch_transform( - kg, object, OBJECT_INVERSE_TRANSFORM); - float t_fac = 1.0f / len(transform_direction(&itfm, dir)); -# endif - for (int i = 0; i < num_hits_in_instance; i++) { - (isect_array - i - 1)->t *= t_fac; - } - } return num_hits; } } @@ -228,13 +210,13 @@ ccl_device_inline } else { /* instance push */ - object = kernel_tex_fetch(__prim_object, -prim_addr - 1); - int object_flag = kernel_tex_fetch(__object_flag, object); + object = kernel_data_fetch(prim_object, -prim_addr - 1); + int object_flag = kernel_data_fetch(object_flag, object); if (object_flag & SD_OBJECT_HAS_VOLUME) { #if BVH_FEATURE(BVH_MOTION) - isect_t *= bvh_instance_motion_push(kg, object, ray, &P, &dir, &idir, &ob_itfm); + bvh_instance_motion_push(kg, object, ray, &P, &dir, &idir); #else - isect_t *= bvh_instance_push(kg, object, ray, &P, &dir, &idir); + bvh_instance_push(kg, object, ray, &P, &dir, &idir); #endif num_hits_in_instance = 0; @@ -244,7 +226,7 @@ ccl_device_inline kernel_assert(stack_ptr < BVH_STACK_SIZE); traversal_stack[stack_ptr] = ENTRYPOINT_SENTINEL; - node_addr = kernel_tex_fetch(__object_node, object); + node_addr = kernel_data_fetch(object_node, object); } else { /* pop */ @@ -260,28 +242,7 @@ ccl_device_inline kernel_assert(object != OBJECT_NONE); /* Instance pop. */ - if (num_hits_in_instance) { - float t_fac; -#if BVH_FEATURE(BVH_MOTION) - bvh_instance_motion_pop_factor(kg, object, ray, &P, &dir, &idir, &t_fac, &ob_itfm); -#else - bvh_instance_pop_factor(kg, object, ray, &P, &dir, &idir, &t_fac); -#endif - /* Scale isect->t to adjust for instancing. */ - for (int i = 0; i < num_hits_in_instance; i++) { - (isect_array - i - 1)->t *= t_fac; - } - } - else { -#if BVH_FEATURE(BVH_MOTION) - bvh_instance_motion_pop(kg, object, ray, &P, &dir, &idir, FLT_MAX, &ob_itfm); -#else - bvh_instance_pop(kg, object, ray, &P, &dir, &idir, FLT_MAX); -#endif - } - - isect_t = tmax; - isect_array->t = isect_t; + bvh_instance_pop(ray, &P, &dir, &idir); object = OBJECT_NONE; node_addr = traversal_stack[stack_ptr]; |