diff options
Diffstat (limited to 'intern/cycles/kernel/svm/svm_light_path.h')
| -rw-r--r-- | intern/cycles/kernel/svm/svm_light_path.h | 146 |
1 files changed, 0 insertions, 146 deletions
diff --git a/intern/cycles/kernel/svm/svm_light_path.h b/intern/cycles/kernel/svm/svm_light_path.h deleted file mode 100644 index 5e1fc4f671c..00000000000 --- a/intern/cycles/kernel/svm/svm_light_path.h +++ /dev/null @@ -1,146 +0,0 @@ -/* - * Copyright 2011-2013 Blender Foundation - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -CCL_NAMESPACE_BEGIN - -/* Light Path Node */ - -template<uint node_feature_mask, typename ConstIntegratorGenericState> -ccl_device_noinline void svm_node_light_path(KernelGlobals kg, - ConstIntegratorGenericState state, - ccl_private const ShaderData *sd, - ccl_private float *stack, - uint type, - uint out_offset, - uint32_t path_flag) -{ - float info = 0.0f; - - switch (type) { - case NODE_LP_camera: - info = (path_flag & PATH_RAY_CAMERA) ? 1.0f : 0.0f; - break; - case NODE_LP_shadow: - info = (path_flag & PATH_RAY_SHADOW) ? 1.0f : 0.0f; - break; - case NODE_LP_diffuse: - info = (path_flag & PATH_RAY_DIFFUSE) ? 1.0f : 0.0f; - break; - case NODE_LP_glossy: - info = (path_flag & PATH_RAY_GLOSSY) ? 1.0f : 0.0f; - break; - case NODE_LP_singular: - info = (path_flag & PATH_RAY_SINGULAR) ? 1.0f : 0.0f; - break; - case NODE_LP_reflection: - info = (path_flag & PATH_RAY_REFLECT) ? 1.0f : 0.0f; - break; - case NODE_LP_transmission: - info = (path_flag & PATH_RAY_TRANSMIT) ? 1.0f : 0.0f; - break; - case NODE_LP_volume_scatter: - info = (path_flag & PATH_RAY_VOLUME_SCATTER) ? 1.0f : 0.0f; - break; - case NODE_LP_backfacing: - info = (sd->flag & SD_BACKFACING) ? 1.0f : 0.0f; - break; - case NODE_LP_ray_length: - info = sd->ray_length; - break; - case NODE_LP_ray_depth: { - /* Read bounce from difference location depending if this is a shadow - * path. It's a bit dubious to have integrate state details leak into - * this function but hard to avoid currently. */ - IF_KERNEL_NODES_FEATURE(LIGHT_PATH) - { - info = (float)integrator_state_bounce(state, path_flag); - } - - /* For background, light emission and shadow evaluation we from a - * surface or volume we are effective one bounce further. */ - if (path_flag & (PATH_RAY_SHADOW | PATH_RAY_EMISSION)) { - info += 1.0f; - } - break; - } - case NODE_LP_ray_transparent: { - IF_KERNEL_NODES_FEATURE(LIGHT_PATH) - { - info = (float)integrator_state_transparent_bounce(state, path_flag); - } - break; - } - case NODE_LP_ray_diffuse: - IF_KERNEL_NODES_FEATURE(LIGHT_PATH) - { - info = (float)integrator_state_diffuse_bounce(state, path_flag); - } - break; - case NODE_LP_ray_glossy: - IF_KERNEL_NODES_FEATURE(LIGHT_PATH) - { - info = (float)integrator_state_glossy_bounce(state, path_flag); - } - break; - case NODE_LP_ray_transmission: - IF_KERNEL_NODES_FEATURE(LIGHT_PATH) - { - info = (float)integrator_state_transmission_bounce(state, path_flag); - } - break; - } - - stack_store_float(stack, out_offset, info); -} - -/* Light Falloff Node */ - -ccl_device_noinline void svm_node_light_falloff(ccl_private ShaderData *sd, - ccl_private float *stack, - uint4 node) -{ - uint strength_offset, out_offset, smooth_offset; - - svm_unpack_node_uchar3(node.z, &strength_offset, &smooth_offset, &out_offset); - - float strength = stack_load_float(stack, strength_offset); - uint type = node.y; - - switch (type) { - case NODE_LIGHT_FALLOFF_QUADRATIC: - break; - case NODE_LIGHT_FALLOFF_LINEAR: - strength *= sd->ray_length; - break; - case NODE_LIGHT_FALLOFF_CONSTANT: - strength *= sd->ray_length * sd->ray_length; - break; - } - - float smooth = stack_load_float(stack, smooth_offset); - - if (smooth > 0.0f) { - float squared = sd->ray_length * sd->ray_length; - /* Distant lamps set the ray length to FLT_MAX, which causes squared to overflow. */ - if (isfinite(squared)) { - strength *= squared / (smooth + squared); - } - } - - stack_store_float(stack, out_offset, strength); -} - -CCL_NAMESPACE_END |