diff options
Diffstat (limited to 'intern/cycles/kernel/bvh/volume.h')
| -rw-r--r-- | intern/cycles/kernel/bvh/volume.h | 43 |
1 files changed, 26 insertions, 17 deletions
diff --git a/intern/cycles/kernel/bvh/volume.h b/intern/cycles/kernel/bvh/volume.h index d711b3abbf4..bd4e508ecac 100644 --- a/intern/cycles/kernel/bvh/volume.h +++ b/intern/cycles/kernel/bvh/volume.h @@ -46,13 +46,14 @@ ccl_device_inline float3 P = ray->P; float3 dir = bvh_clamp_direction(ray->D); float3 idir = bvh_inverse_direction(dir); + float tmin = ray->tmin; int object = OBJECT_NONE; #if BVH_FEATURE(BVH_MOTION) Transform ob_itfm; #endif - isect->t = ray->t; + isect->t = ray->tmax; isect->u = 0.0f; isect->v = 0.0f; isect->prim = PRIM_NONE; @@ -65,7 +66,7 @@ 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, @@ -73,6 +74,7 @@ ccl_device_inline dir, #endif idir, + tmin, isect->t, node_addr, visibility, @@ -109,7 +111,7 @@ 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) { @@ -125,22 +127,22 @@ 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; } triangle_intersect( - kg, isect, P, dir, isect->t, visibility, prim_object, prim, prim_addr); + kg, isect, P, dir, tmin, isect->t, visibility, prim_object, prim, prim_addr); } break; } @@ -148,16 +150,16 @@ 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; } @@ -165,6 +167,7 @@ ccl_device_inline isect, P, dir, + tmin, isect->t, ray->time, visibility, @@ -182,20 +185,24 @@ 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); + const float t_world_to_instance = bvh_instance_motion_push( + kg, object, ray, &P, &dir, &idir, &ob_itfm); #else - isect->t *= bvh_instance_push(kg, object, ray, &P, &dir, &idir); + const float t_world_to_instance = bvh_instance_push(kg, object, ray, &P, &dir, &idir); #endif + isect->t *= t_world_to_instance; + tmin *= t_world_to_instance; + ++stack_ptr; 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 */ @@ -217,6 +224,8 @@ ccl_device_inline isect->t = bvh_instance_pop(kg, object, ray, &P, &dir, &idir, isect->t); #endif + tmin = ray->tmin; + object = OBJECT_NONE; node_addr = traversal_stack[stack_ptr]; --stack_ptr; |