diff options
Diffstat (limited to 'intern/cycles/kernel/bvh/traversal.h')
| -rw-r--r-- | intern/cycles/kernel/bvh/traversal.h | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/intern/cycles/kernel/bvh/traversal.h b/intern/cycles/kernel/bvh/traversal.h index 784fbf4fd11..0ff38bf02de 100644 --- a/intern/cycles/kernel/bvh/traversal.h +++ b/intern/cycles/kernel/bvh/traversal.h @@ -43,13 +43,14 @@ ccl_device_noinline bool BVH_FUNCTION_FULL_NAME(BVH)(KernelGlobals kg, 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; @@ -71,6 +72,7 @@ ccl_device_noinline bool BVH_FUNCTION_FULL_NAME(BVH)(KernelGlobals kg, dir, #endif idir, + tmin, isect->t, node_addr, visibility, @@ -133,8 +135,16 @@ ccl_device_noinline bool BVH_FUNCTION_FULL_NAME(BVH)(KernelGlobals kg, switch (type & PRIMITIVE_ALL) { case PRIMITIVE_TRIANGLE: { - if (triangle_intersect( - kg, isect, P, dir, isect->t, visibility, prim_object, prim, prim_addr)) { + if (triangle_intersect(kg, + isect, + P, + dir, + tmin, + isect->t, + visibility, + prim_object, + prim, + prim_addr)) { /* shadow ray early termination */ if (visibility & PATH_RAY_SHADOW_OPAQUE) return true; @@ -147,6 +157,7 @@ ccl_device_noinline bool BVH_FUNCTION_FULL_NAME(BVH)(KernelGlobals kg, isect, P, dir, + tmin, isect->t, ray->time, visibility, @@ -174,7 +185,7 @@ ccl_device_noinline bool BVH_FUNCTION_FULL_NAME(BVH)(KernelGlobals kg, const int curve_type = kernel_data_fetch(prim_type, prim_addr); const bool hit = curve_intersect( - kg, isect, P, dir, isect->t, prim_object, prim, ray->time, curve_type); + kg, isect, P, dir, tmin, isect->t, prim_object, prim, ray->time, curve_type); if (hit) { /* shadow ray early termination */ if (visibility & PATH_RAY_SHADOW_OPAQUE) @@ -195,7 +206,7 @@ ccl_device_noinline bool BVH_FUNCTION_FULL_NAME(BVH)(KernelGlobals kg, const int point_type = kernel_data_fetch(prim_type, prim_addr); const bool hit = point_intersect( - kg, isect, P, dir, isect->t, prim_object, prim, ray->time, point_type); + kg, isect, P, dir, tmin, isect->t, prim_object, prim, ray->time, point_type); if (hit) { /* shadow ray early termination */ if (visibility & PATH_RAY_SHADOW_OPAQUE) @@ -212,11 +223,15 @@ ccl_device_noinline bool BVH_FUNCTION_FULL_NAME(BVH)(KernelGlobals kg, object = kernel_data_fetch(prim_object, -prim_addr - 1); #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; @@ -235,6 +250,7 @@ ccl_device_noinline bool BVH_FUNCTION_FULL_NAME(BVH)(KernelGlobals kg, #else 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]; |