diff options
Diffstat (limited to 'intern/cycles/kernel/device/metal/kernel.metal')
-rw-r--r-- | intern/cycles/kernel/device/metal/kernel.metal | 745 |
1 files changed, 1 insertions, 744 deletions
diff --git a/intern/cycles/kernel/device/metal/kernel.metal b/intern/cycles/kernel/device/metal/kernel.metal index 3c31dc3354c..3df81fcf369 100644 --- a/intern/cycles/kernel/device/metal/kernel.metal +++ b/intern/cycles/kernel/device/metal/kernel.metal @@ -5,748 +5,5 @@ #include "kernel/device/metal/compat.h" #include "kernel/device/metal/globals.h" +#include "kernel/device/metal/function_constants.h" #include "kernel/device/gpu/kernel.h" - -/* MetalRT intersection handlers */ -#ifdef __METALRT__ - -/* Return type for a bounding box intersection function. */ -struct BoundingBoxIntersectionResult -{ - bool accept [[accept_intersection]]; - bool continue_search [[continue_search]]; - float distance [[distance]]; -}; - -/* Return type for a triangle intersection function. */ -struct TriangleIntersectionResult -{ - bool accept [[accept_intersection]]; - bool continue_search [[continue_search]]; -}; - -enum { METALRT_HIT_TRIANGLE, METALRT_HIT_BOUNDING_BOX }; - -ccl_device_inline bool intersection_skip_self(ray_data const RaySelfPrimitives& self, - const int object, - const int prim) -{ - return (self.prim == prim) && (self.object == object); -} - -ccl_device_inline bool intersection_skip_self_shadow(ray_data const RaySelfPrimitives& self, - const int object, - const int prim) -{ - return ((self.prim == prim) && (self.object == object)) || - ((self.light_prim == prim) && (self.light_object == object)); -} - -ccl_device_inline bool intersection_skip_self_local(ray_data const RaySelfPrimitives& self, - const int prim) -{ - return (self.prim == prim); -} - -template<typename TReturn, uint intersection_type> -TReturn metalrt_local_hit(constant KernelParamsMetal &launch_params_metal, - ray_data MetalKernelContext::MetalRTIntersectionLocalPayload &payload, - const uint object, - const uint primitive_id, - const float2 barycentrics, - const float ray_tmax) -{ - TReturn result; - -#ifdef __BVH_LOCAL__ - uint prim = primitive_id + kernel_data_fetch(object_prim_offset, object); - - if ((object != payload.local_object) || intersection_skip_self_local(payload.self, prim)) { - /* Only intersect with matching object and skip self-intersecton. */ - result.accept = false; - result.continue_search = true; - return result; - } - - const short max_hits = payload.max_hits; - if (max_hits == 0) { - /* Special case for when no hit information is requested, just report that something was hit */ - payload.result = true; - result.accept = true; - result.continue_search = false; - return result; - } - - int hit = 0; - if (payload.has_lcg_state) { - for (short i = min(max_hits, short(payload.local_isect.num_hits)) - 1; i >= 0; --i) { - if (ray_tmax == payload.local_isect.hits[i].t) { - result.accept = false; - result.continue_search = true; - return result; - } - } - - hit = payload.local_isect.num_hits++; - - if (payload.local_isect.num_hits > max_hits) { - hit = lcg_step_uint(&payload.lcg_state) % payload.local_isect.num_hits; - if (hit >= max_hits) { - result.accept = false; - result.continue_search = true; - return result; - } - } - } - else { - if (payload.local_isect.num_hits && ray_tmax > payload.local_isect.hits[0].t) { - /* Record closest intersection only. Do not terminate ray here, since there is no guarantee about distance ordering in any-hit */ - result.accept = false; - result.continue_search = true; - return result; - } - - payload.local_isect.num_hits = 1; - } - - ray_data Intersection *isect = &payload.local_isect.hits[hit]; - isect->t = ray_tmax; - isect->prim = prim; - isect->object = object; - isect->type = kernel_data_fetch(objects, object).primitive_type; - - isect->u = 1.0f - barycentrics.y - barycentrics.x; - isect->v = barycentrics.x; - - /* Record geometric normal */ - const uint tri_vindex = kernel_data_fetch(tri_vindex, isect->prim).w; - const float3 tri_a = float3(kernel_data_fetch(tri_verts, tri_vindex + 0)); - const float3 tri_b = float3(kernel_data_fetch(tri_verts, tri_vindex + 1)); - const float3 tri_c = float3(kernel_data_fetch(tri_verts, tri_vindex + 2)); - payload.local_isect.Ng[hit] = normalize(cross(tri_b - tri_a, tri_c - tri_a)); - - /* Continue tracing (without this the trace call would return after the first hit) */ - result.accept = false; - result.continue_search = true; - return result; -#endif -} - -[[intersection(triangle, triangle_data, METALRT_TAGS)]] -TriangleIntersectionResult -__anyhit__cycles_metalrt_local_hit_tri(constant KernelParamsMetal &launch_params_metal [[buffer(1)]], - ray_data MetalKernelContext::MetalRTIntersectionLocalPayload &payload [[payload]], - uint instance_id [[user_instance_id]], - uint primitive_id [[primitive_id]], - float2 barycentrics [[barycentric_coord]], - float ray_tmax [[distance]]) -{ - return metalrt_local_hit<TriangleIntersectionResult, METALRT_HIT_TRIANGLE>( - launch_params_metal, payload, instance_id, primitive_id, barycentrics, ray_tmax); -} - -[[intersection(bounding_box, triangle_data, METALRT_TAGS)]] -BoundingBoxIntersectionResult -__anyhit__cycles_metalrt_local_hit_box(const float ray_tmax [[max_distance]]) -{ - /* unused function */ - BoundingBoxIntersectionResult result; - result.distance = ray_tmax; - result.accept = false; - result.continue_search = false; - return result; -} - -template<uint intersection_type> -bool metalrt_shadow_all_hit(constant KernelParamsMetal &launch_params_metal, - ray_data MetalKernelContext::MetalRTIntersectionShadowPayload &payload, - uint object, - uint prim, - const float2 barycentrics, - const float ray_tmax) -{ -#ifdef __SHADOW_RECORD_ALL__ -# ifdef __VISIBILITY_FLAG__ - const uint visibility = payload.visibility; - if ((kernel_data_fetch(objects, object).visibility & visibility) == 0) { - /* continue search */ - return true; - } -# endif - - if (intersection_skip_self_shadow(payload.self, object, prim)) { - /* continue search */ - return true; - } - - float u = 0.0f, v = 0.0f; - int type = 0; - if (intersection_type == METALRT_HIT_TRIANGLE) { - u = 1.0f - barycentrics.y - barycentrics.x; - v = barycentrics.x; - type = kernel_data_fetch(objects, object).primitive_type; - } -# ifdef __HAIR__ - else { - u = barycentrics.x; - v = barycentrics.y; - - const KernelCurveSegment segment = kernel_data_fetch(curve_segments, prim); - type = segment.type; - prim = segment.prim; - - /* Filter out curve endcaps */ - if (u == 0.0f || u == 1.0f) { - /* continue search */ - return true; - } - } -# endif - -# ifndef __TRANSPARENT_SHADOWS__ - /* No transparent shadows support compiled in, make opaque. */ - payload.result = true; - /* terminate ray */ - return false; -# else - short max_hits = payload.max_hits; - short num_hits = payload.num_hits; - short num_recorded_hits = payload.num_recorded_hits; - - MetalKernelContext context(launch_params_metal); - - /* If no transparent shadows, all light is blocked and we can stop immediately. */ - if (num_hits >= max_hits || - !(context.intersection_get_shader_flags(NULL, prim, type) & SD_HAS_TRANSPARENT_SHADOW)) { - payload.result = true; - /* terminate ray */ - return false; - } - - /* Always use baked shadow transparency for curves. */ - if (type & PRIMITIVE_CURVE) { - float throughput = payload.throughput; - throughput *= context.intersection_curve_shadow_transparency(nullptr, object, prim, u); - payload.throughput = throughput; - payload.num_hits += 1; - - if (throughput < CURVE_SHADOW_TRANSPARENCY_CUTOFF) { - /* Accept result and terminate if throughput is sufficiently low */ - payload.result = true; - return false; - } - else { - return true; - } - } - - payload.num_hits += 1; - payload.num_recorded_hits += 1; - - uint record_index = num_recorded_hits; - - const IntegratorShadowState state = payload.state; - - const uint max_record_hits = min(uint(max_hits), INTEGRATOR_SHADOW_ISECT_SIZE); - if (record_index >= max_record_hits) { - /* If maximum number of hits reached, find a hit to replace. */ - float max_recorded_t = INTEGRATOR_STATE_ARRAY(state, shadow_isect, 0, t); - uint max_recorded_hit = 0; - - for (int i = 1; i < max_record_hits; i++) { - const float isect_t = INTEGRATOR_STATE_ARRAY(state, shadow_isect, i, t); - if (isect_t > max_recorded_t) { - max_recorded_t = isect_t; - max_recorded_hit = i; - } - } - - if (ray_tmax >= max_recorded_t) { - /* Accept hit, so that we don't consider any more hits beyond the distance of the - * current hit anymore. */ - payload.result = true; - return true; - } - - record_index = max_recorded_hit; - } - - INTEGRATOR_STATE_ARRAY_WRITE(state, shadow_isect, record_index, u) = u; - INTEGRATOR_STATE_ARRAY_WRITE(state, shadow_isect, record_index, v) = v; - INTEGRATOR_STATE_ARRAY_WRITE(state, shadow_isect, record_index, t) = ray_tmax; - INTEGRATOR_STATE_ARRAY_WRITE(state, shadow_isect, record_index, prim) = prim; - INTEGRATOR_STATE_ARRAY_WRITE(state, shadow_isect, record_index, object) = object; - INTEGRATOR_STATE_ARRAY_WRITE(state, shadow_isect, record_index, type) = type; - - /* Continue tracing. */ -# endif /* __TRANSPARENT_SHADOWS__ */ -#endif /* __SHADOW_RECORD_ALL__ */ - - return true; -} - -[[intersection(triangle, triangle_data, METALRT_TAGS)]] -TriangleIntersectionResult -__anyhit__cycles_metalrt_shadow_all_hit_tri(constant KernelParamsMetal &launch_params_metal [[buffer(1)]], - ray_data MetalKernelContext::MetalRTIntersectionShadowPayload &payload [[payload]], - unsigned int object [[user_instance_id]], - unsigned int primitive_id [[primitive_id]], - float2 barycentrics [[barycentric_coord]], - float ray_tmax [[distance]]) -{ - uint prim = primitive_id + kernel_data_fetch(object_prim_offset, object); - - TriangleIntersectionResult result; - result.continue_search = metalrt_shadow_all_hit<METALRT_HIT_TRIANGLE>( - launch_params_metal, payload, object, prim, barycentrics, ray_tmax); - result.accept = !result.continue_search; - return result; -} - -[[intersection(bounding_box, triangle_data, METALRT_TAGS)]] -BoundingBoxIntersectionResult -__anyhit__cycles_metalrt_shadow_all_hit_box(const float ray_tmax [[max_distance]]) -{ - /* unused function */ - BoundingBoxIntersectionResult result; - result.distance = ray_tmax; - result.accept = false; - result.continue_search = false; - return result; -} - -template<typename TReturnType, uint intersection_type> -inline TReturnType metalrt_visibility_test(constant KernelParamsMetal &launch_params_metal, - ray_data MetalKernelContext::MetalRTIntersectionPayload &payload, - const uint object, - const uint prim, - const float u) -{ - TReturnType result; - -# ifdef __HAIR__ - if (intersection_type == METALRT_HIT_BOUNDING_BOX) { - /* Filter out curve endcaps. */ - if (u == 0.0f || u == 1.0f) { - result.accept = false; - result.continue_search = true; - return result; - } - } -# endif - - uint visibility = payload.visibility; -# ifdef __VISIBILITY_FLAG__ - if ((kernel_data_fetch(objects, object).visibility & visibility) == 0) { - result.accept = false; - result.continue_search = true; - return result; - } -# endif - - /* Shadow ray early termination. */ - if (visibility & PATH_RAY_SHADOW_OPAQUE) { - if (intersection_skip_self_shadow(payload.self, object, prim)) { - result.accept = false; - result.continue_search = true; - return result; - } - else { - result.accept = true; - result.continue_search = false; - return result; - } - } - else { - if (intersection_skip_self(payload.self, object, prim)) { - result.accept = false; - result.continue_search = true; - return result; - } - } - - result.accept = true; - result.continue_search = true; - return result; -} - -[[intersection(triangle, triangle_data, METALRT_TAGS)]] -TriangleIntersectionResult -__anyhit__cycles_metalrt_visibility_test_tri(constant KernelParamsMetal &launch_params_metal [[buffer(1)]], - ray_data MetalKernelContext::MetalRTIntersectionPayload &payload [[payload]], - unsigned int object [[user_instance_id]], - unsigned int primitive_id [[primitive_id]]) -{ - uint prim = primitive_id + kernel_data_fetch(object_prim_offset, object); - TriangleIntersectionResult result = metalrt_visibility_test<TriangleIntersectionResult, METALRT_HIT_TRIANGLE>( - launch_params_metal, payload, object, prim, 0.0f); - if (result.accept) { - payload.prim = prim; - payload.type = kernel_data_fetch(objects, object).primitive_type; - } - return result; -} - -[[intersection(bounding_box, triangle_data, METALRT_TAGS)]] -BoundingBoxIntersectionResult -__anyhit__cycles_metalrt_visibility_test_box(const float ray_tmax [[max_distance]]) -{ - /* Unused function */ - BoundingBoxIntersectionResult result; - result.accept = false; - result.continue_search = true; - result.distance = ray_tmax; - return result; -} - -#ifdef __HAIR__ -ccl_device_inline -void metalrt_intersection_curve(constant KernelParamsMetal &launch_params_metal, - ray_data MetalKernelContext::MetalRTIntersectionPayload &payload, - const uint object, - const uint prim, - const uint type, - const float3 ray_origin, - const float3 ray_direction, - float time, - const float ray_tmax, - thread BoundingBoxIntersectionResult &result) -{ -# ifdef __VISIBILITY_FLAG__ - const uint visibility = payload.visibility; - if ((kernel_data_fetch(objects, object).visibility & visibility) == 0) { - return; - } -# endif - - float3 P = ray_origin; - float3 dir = ray_direction; - - /* The direction is not normalized by default, but the curve intersection routine expects that */ - float len; - dir = normalize_len(dir, &len); - - Intersection isect; - isect.t = ray_tmax; - /* Transform maximum distance into object space. */ - if (isect.t != FLT_MAX) - isect.t *= len; - - MetalKernelContext context(launch_params_metal); - if (context.curve_intersect(NULL, &isect, P, dir, isect.t, object, prim, time, type)) { - result = metalrt_visibility_test<BoundingBoxIntersectionResult, METALRT_HIT_BOUNDING_BOX>( - launch_params_metal, payload, object, prim, isect.u); - if (result.accept) { - result.distance = isect.t / len; - payload.u = isect.u; - payload.v = isect.v; - payload.prim = prim; - payload.type = type; - } - } -} - -ccl_device_inline -void metalrt_intersection_curve_shadow(constant KernelParamsMetal &launch_params_metal, - ray_data MetalKernelContext::MetalRTIntersectionShadowPayload &payload, - const uint object, - const uint prim, - const uint type, - const float3 ray_origin, - const float3 ray_direction, - float time, - const float ray_tmax, - thread BoundingBoxIntersectionResult &result) -{ - const uint visibility = payload.visibility; - - float3 P = ray_origin; - float3 dir = ray_direction; - - /* The direction is not normalized by default, but the curve intersection routine expects that */ - float len; - dir = normalize_len(dir, &len); - - Intersection isect; - isect.t = ray_tmax; - /* Transform maximum distance into object space */ - if (isect.t != FLT_MAX) - isect.t *= len; - - MetalKernelContext context(launch_params_metal); - if (context.curve_intersect(NULL, &isect, P, dir, isect.t, object, prim, time, type)) { - result.continue_search = metalrt_shadow_all_hit<METALRT_HIT_BOUNDING_BOX>( - launch_params_metal, payload, object, prim, float2(isect.u, isect.v), ray_tmax); - result.accept = !result.continue_search; - - if (result.accept) { - result.distance = isect.t / len; - } - } -} - -[[intersection(bounding_box, triangle_data, METALRT_TAGS)]] -BoundingBoxIntersectionResult -__intersection__curve_ribbon(constant KernelParamsMetal &launch_params_metal [[buffer(1)]], - ray_data MetalKernelContext::MetalRTIntersectionPayload &payload [[payload]], - const uint object [[user_instance_id]], - const uint primitive_id [[primitive_id]], - const float3 ray_origin [[origin]], - const float3 ray_direction [[direction]], - const float ray_tmax [[max_distance]]) -{ - uint prim = primitive_id + kernel_data_fetch(object_prim_offset, object); - const KernelCurveSegment segment = kernel_data_fetch(curve_segments, prim); - - BoundingBoxIntersectionResult result; - result.accept = false; - result.continue_search = true; - result.distance = ray_tmax; - - if (segment.type & PRIMITIVE_CURVE_RIBBON) { - metalrt_intersection_curve(launch_params_metal, payload, object, segment.prim, segment.type, ray_origin, ray_direction, -# if defined(__METALRT_MOTION__) - payload.time, -# else - 0.0f, -# endif - ray_tmax, result); - } - - return result; -} - -[[intersection(bounding_box, triangle_data, METALRT_TAGS)]] -BoundingBoxIntersectionResult -__intersection__curve_ribbon_shadow(constant KernelParamsMetal &launch_params_metal [[buffer(1)]], - ray_data MetalKernelContext::MetalRTIntersectionShadowPayload &payload [[payload]], - const uint object [[user_instance_id]], - const uint primitive_id [[primitive_id]], - const float3 ray_origin [[origin]], - const float3 ray_direction [[direction]], - const float ray_tmax [[max_distance]]) -{ - uint prim = primitive_id + kernel_data_fetch(object_prim_offset, object); - const KernelCurveSegment segment = kernel_data_fetch(curve_segments, prim); - - BoundingBoxIntersectionResult result; - result.accept = false; - result.continue_search = true; - result.distance = ray_tmax; - - if (segment.type & PRIMITIVE_CURVE_RIBBON) { - metalrt_intersection_curve_shadow(launch_params_metal, payload, object, segment.prim, segment.type, ray_origin, ray_direction, -# if defined(__METALRT_MOTION__) - payload.time, -# else - 0.0f, -# endif - ray_tmax, result); - } - - return result; -} - -[[intersection(bounding_box, triangle_data, METALRT_TAGS)]] -BoundingBoxIntersectionResult -__intersection__curve_all(constant KernelParamsMetal &launch_params_metal [[buffer(1)]], - ray_data MetalKernelContext::MetalRTIntersectionPayload &payload [[payload]], - const uint object [[user_instance_id]], - const uint primitive_id [[primitive_id]], - const float3 ray_origin [[origin]], - const float3 ray_direction [[direction]], - const float ray_tmax [[max_distance]]) -{ - uint prim = primitive_id + kernel_data_fetch(object_prim_offset, object); - const KernelCurveSegment segment = kernel_data_fetch(curve_segments, prim); - - BoundingBoxIntersectionResult result; - result.accept = false; - result.continue_search = true; - result.distance = ray_tmax; - metalrt_intersection_curve(launch_params_metal, payload, object, segment.prim, segment.type, ray_origin, ray_direction, -# if defined(__METALRT_MOTION__) - payload.time, -# else - 0.0f, -# endif - ray_tmax, result); - - return result; -} - -[[intersection(bounding_box, triangle_data, METALRT_TAGS)]] -BoundingBoxIntersectionResult -__intersection__curve_all_shadow(constant KernelParamsMetal &launch_params_metal [[buffer(1)]], - ray_data MetalKernelContext::MetalRTIntersectionShadowPayload &payload [[payload]], - const uint object [[user_instance_id]], - const uint primitive_id [[primitive_id]], - const float3 ray_origin [[origin]], - const float3 ray_direction [[direction]], - const float ray_tmax [[max_distance]]) -{ - uint prim = primitive_id + kernel_data_fetch(object_prim_offset, object); - const KernelCurveSegment segment = kernel_data_fetch(curve_segments, prim); - - BoundingBoxIntersectionResult result; - result.accept = false; - result.continue_search = true; - result.distance = ray_tmax; - - metalrt_intersection_curve_shadow(launch_params_metal, payload, object, segment.prim, segment.type, ray_origin, ray_direction, -# if defined(__METALRT_MOTION__) - payload.time, -# else - 0.0f, -# endif - ray_tmax, result); - - return result; -} -#endif /* __HAIR__ */ - -#ifdef __POINTCLOUD__ -ccl_device_inline -void metalrt_intersection_point(constant KernelParamsMetal &launch_params_metal, - ray_data MetalKernelContext::MetalRTIntersectionPayload &payload, - const uint object, - const uint prim, - const uint type, - const float3 ray_origin, - const float3 ray_direction, - float time, - const float ray_tmax, - thread BoundingBoxIntersectionResult &result) -{ -# ifdef __VISIBILITY_FLAG__ - const uint visibility = payload.visibility; - if ((kernel_data_fetch(objects, object).visibility & visibility) == 0) { - return; - } -# endif - - float3 P = ray_origin; - float3 dir = ray_direction; - - /* The direction is not normalized by default, but the point intersection routine expects that */ - float len; - dir = normalize_len(dir, &len); - - Intersection isect; - isect.t = ray_tmax; - /* Transform maximum distance into object space. */ - if (isect.t != FLT_MAX) - isect.t *= len; - - MetalKernelContext context(launch_params_metal); - if (context.point_intersect(NULL, &isect, P, dir, isect.t, object, prim, time, type)) { - result = metalrt_visibility_test<BoundingBoxIntersectionResult, METALRT_HIT_BOUNDING_BOX>( - launch_params_metal, payload, object, prim, isect.u); - if (result.accept) { - result.distance = isect.t / len; - payload.u = isect.u; - payload.v = isect.v; - payload.prim = prim; - payload.type = type; - } - } -} - -ccl_device_inline -void metalrt_intersection_point_shadow(constant KernelParamsMetal &launch_params_metal, - ray_data MetalKernelContext::MetalRTIntersectionShadowPayload &payload, - const uint object, - const uint prim, - const uint type, - const float3 ray_origin, - const float3 ray_direction, - float time, - const float ray_tmax, - thread BoundingBoxIntersectionResult &result) -{ - const uint visibility = payload.visibility; - - float3 P = ray_origin; - float3 dir = ray_direction; - - /* The direction is not normalized by default, but the point intersection routine expects that */ - float len; - dir = normalize_len(dir, &len); - - Intersection isect; - isect.t = ray_tmax; - /* Transform maximum distance into object space */ - if (isect.t != FLT_MAX) - isect.t *= len; - - MetalKernelContext context(launch_params_metal); - if (context.point_intersect(NULL, &isect, P, dir, isect.t, object, prim, time, type)) { - result.continue_search = metalrt_shadow_all_hit<METALRT_HIT_BOUNDING_BOX>( - launch_params_metal, payload, object, prim, float2(isect.u, isect.v), ray_tmax); - result.accept = !result.continue_search; - - if (result.accept) { - result.distance = isect.t / len; - } - } -} - -[[intersection(bounding_box, triangle_data, METALRT_TAGS)]] -BoundingBoxIntersectionResult -__intersection__point(constant KernelParamsMetal &launch_params_metal [[buffer(1)]], - ray_data MetalKernelContext::MetalRTIntersectionPayload &payload [[payload]], - const uint object [[user_instance_id]], - const uint primitive_id [[primitive_id]], - const float3 ray_origin [[origin]], - const float3 ray_direction [[direction]], - const float ray_tmax [[max_distance]]) -{ - const uint prim = primitive_id + kernel_data_fetch(object_prim_offset, object); - const int type = kernel_data_fetch(objects, object).primitive_type; - - BoundingBoxIntersectionResult result; - result.accept = false; - result.continue_search = true; - result.distance = ray_tmax; - - metalrt_intersection_point(launch_params_metal, payload, object, prim, type, ray_origin, ray_direction, -# if defined(__METALRT_MOTION__) - payload.time, -# else - 0.0f, -# endif - ray_tmax, result); - - return result; -} - -[[intersection(bounding_box, triangle_data, METALRT_TAGS)]] -BoundingBoxIntersectionResult -__intersection__point_shadow(constant KernelParamsMetal &launch_params_metal [[buffer(1)]], - ray_data MetalKernelContext::MetalRTIntersectionShadowPayload &payload [[payload]], - const uint object [[user_instance_id]], - const uint primitive_id [[primitive_id]], - const float3 ray_origin [[origin]], - const float3 ray_direction [[direction]], - const float ray_tmax [[max_distance]]) -{ - const uint prim = primitive_id + kernel_data_fetch(object_prim_offset, object); - const int type = kernel_data_fetch(objects, object).primitive_type; - - BoundingBoxIntersectionResult result; - result.accept = false; - result.continue_search = true; - result.distance = ray_tmax; - - metalrt_intersection_point_shadow(launch_params_metal, payload, object, prim, type, ray_origin, ray_direction, -# if defined(__METALRT_MOTION__) - payload.time, -# else - 0.0f, -# endif - ray_tmax, result); - - return result; -} -#endif /* __POINTCLOUD__ */ -#endif /* __METALRT__ */ |