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Diffstat (limited to 'intern/cycles/kernel/integrator/megakernel.h')
-rw-r--r-- | intern/cycles/kernel/integrator/megakernel.h | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/intern/cycles/kernel/integrator/megakernel.h b/intern/cycles/kernel/integrator/megakernel.h new file mode 100644 index 00000000000..d8cc794dc7a --- /dev/null +++ b/intern/cycles/kernel/integrator/megakernel.h @@ -0,0 +1,113 @@ +/* + * 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/integrator/init_from_camera.h" +#include "kernel/integrator/intersect_closest.h" +#include "kernel/integrator/intersect_shadow.h" +#include "kernel/integrator/intersect_subsurface.h" +#include "kernel/integrator/intersect_volume_stack.h" +#include "kernel/integrator/shade_background.h" +#include "kernel/integrator/shade_light.h" +#include "kernel/integrator/shade_shadow.h" +#include "kernel/integrator/shade_surface.h" +#include "kernel/integrator/shade_volume.h" + +CCL_NAMESPACE_BEGIN + +ccl_device void integrator_megakernel(KernelGlobals kg, + IntegratorState state, + ccl_global float *ccl_restrict render_buffer) +{ + /* Each kernel indicates the next kernel to execute, so here we simply + * have to check what that kernel is and execute it. */ + while (true) { + /* Handle any shadow paths before we potentially create more shadow paths. */ + const uint32_t shadow_queued_kernel = INTEGRATOR_STATE( + &state->shadow, shadow_path, queued_kernel); + if (shadow_queued_kernel) { + switch (shadow_queued_kernel) { + case DEVICE_KERNEL_INTEGRATOR_INTERSECT_SHADOW: + integrator_intersect_shadow(kg, &state->shadow); + break; + case DEVICE_KERNEL_INTEGRATOR_SHADE_SHADOW: + integrator_shade_shadow(kg, &state->shadow, render_buffer); + break; + default: + kernel_assert(0); + break; + } + continue; + } + + /* Handle any AO paths before we potentially create more AO paths. */ + const uint32_t ao_queued_kernel = INTEGRATOR_STATE(&state->ao, shadow_path, queued_kernel); + if (ao_queued_kernel) { + switch (ao_queued_kernel) { + case DEVICE_KERNEL_INTEGRATOR_INTERSECT_SHADOW: + integrator_intersect_shadow(kg, &state->ao); + break; + case DEVICE_KERNEL_INTEGRATOR_SHADE_SHADOW: + integrator_shade_shadow(kg, &state->ao, render_buffer); + break; + default: + kernel_assert(0); + break; + } + continue; + } + + /* Then handle regular path kernels. */ + const uint32_t queued_kernel = INTEGRATOR_STATE(state, path, queued_kernel); + if (queued_kernel) { + switch (queued_kernel) { + case DEVICE_KERNEL_INTEGRATOR_INTERSECT_CLOSEST: + integrator_intersect_closest(kg, state); + break; + case DEVICE_KERNEL_INTEGRATOR_SHADE_BACKGROUND: + integrator_shade_background(kg, state, render_buffer); + break; + case DEVICE_KERNEL_INTEGRATOR_SHADE_SURFACE: + integrator_shade_surface(kg, state, render_buffer); + break; + case DEVICE_KERNEL_INTEGRATOR_SHADE_VOLUME: + integrator_shade_volume(kg, state, render_buffer); + break; + case DEVICE_KERNEL_INTEGRATOR_SHADE_SURFACE_RAYTRACE: + integrator_shade_surface_raytrace(kg, state, render_buffer); + break; + case DEVICE_KERNEL_INTEGRATOR_SHADE_LIGHT: + integrator_shade_light(kg, state, render_buffer); + break; + case DEVICE_KERNEL_INTEGRATOR_INTERSECT_SUBSURFACE: + integrator_intersect_subsurface(kg, state); + break; + case DEVICE_KERNEL_INTEGRATOR_INTERSECT_VOLUME_STACK: + integrator_intersect_volume_stack(kg, state); + break; + default: + kernel_assert(0); + break; + } + continue; + } + + break; + } +} + +CCL_NAMESPACE_END |