diff options
Diffstat (limited to 'intern/cycles/kernel/integrator/integrator_init_from_camera.h')
| -rw-r--r-- | intern/cycles/kernel/integrator/integrator_init_from_camera.h | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/intern/cycles/kernel/integrator/integrator_init_from_camera.h b/intern/cycles/kernel/integrator/integrator_init_from_camera.h deleted file mode 100644 index 5bab6b2e2fd..00000000000 --- a/intern/cycles/kernel/integrator/integrator_init_from_camera.h +++ /dev/null @@ -1,121 +0,0 @@ -/* - * Copyright 2011-2021 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. - */ - -#pragma once - -#include "kernel/kernel_accumulate.h" -#include "kernel/kernel_adaptive_sampling.h" -#include "kernel/kernel_camera.h" -#include "kernel/kernel_path_state.h" -#include "kernel/kernel_random.h" -#include "kernel/kernel_shadow_catcher.h" - -CCL_NAMESPACE_BEGIN - -ccl_device_inline void integrate_camera_sample(KernelGlobals kg, - const int sample, - const int x, - const int y, - const uint rng_hash, - ccl_private Ray *ray) -{ - /* Filter sampling. */ - float filter_u, filter_v; - - if (sample == 0) { - filter_u = 0.5f; - filter_v = 0.5f; - } - else { - path_rng_2D(kg, rng_hash, sample, PRNG_FILTER_U, &filter_u, &filter_v); - } - - /* Depth of field sampling. */ - float lens_u = 0.0f, lens_v = 0.0f; - if (kernel_data.cam.aperturesize > 0.0f) { - path_rng_2D(kg, rng_hash, sample, PRNG_LENS_U, &lens_u, &lens_v); - } - - /* Motion blur time sampling. */ - float time = 0.0f; -#ifdef __CAMERA_MOTION__ - if (kernel_data.cam.shuttertime != -1.0f) - time = path_rng_1D(kg, rng_hash, sample, PRNG_TIME); -#endif - - /* Generate camera ray. */ - camera_sample(kg, x, y, filter_u, filter_v, lens_u, lens_v, time, ray); -} - -/* Return false to indicate that this pixel is finished. - * Used by CPU implementation to not attempt to sample pixel for multiple samples once its known - * that the pixel did converge. */ -ccl_device bool integrator_init_from_camera(KernelGlobals kg, - IntegratorState state, - ccl_global const KernelWorkTile *ccl_restrict tile, - ccl_global float *render_buffer, - const int x, - const int y, - const int scheduled_sample) -{ - PROFILING_INIT(kg, PROFILING_RAY_SETUP); - - /* Initialize path state to give basic buffer access and allow early outputs. */ - path_state_init(state, tile, x, y); - - /* Check whether the pixel has converged and should not be sampled anymore. */ - if (!kernel_need_sample_pixel(kg, state, render_buffer)) { - return false; - } - - /* Count the sample and get an effective sample for this pixel. - * - * This logic allows to both count actual number of samples per pixel, and to add samples to this - * pixel after it was converged and samples were added somewhere else (in which case the - * `scheduled_sample` will be different from actual number of samples in this pixel). */ - const int sample = kernel_accum_sample(kg, state, render_buffer, scheduled_sample); - - /* Initialize random number seed for path. */ - const uint rng_hash = path_rng_hash_init(kg, sample, x, y); - - { - /* Generate camera ray. */ - Ray ray; - integrate_camera_sample(kg, sample, x, y, rng_hash, &ray); - if (ray.t == 0.0f) { - return true; - } - - /* Write camera ray to state. */ - integrator_state_write_ray(kg, state, &ray); - } - - /* Initialize path state for path integration. */ - path_state_init_integrator(kg, state, sample, rng_hash); - - /* Continue with intersect_closest kernel, optionally initializing volume - * stack before that if the camera may be inside a volume. */ - if (kernel_data.cam.is_inside_volume) { - INTEGRATOR_PATH_INIT(DEVICE_KERNEL_INTEGRATOR_INTERSECT_VOLUME_STACK); - } - else { - INTEGRATOR_PATH_INIT(DEVICE_KERNEL_INTEGRATOR_INTERSECT_CLOSEST); - } - - return true; -} - -CCL_NAMESPACE_END |