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/* SPDX-License-Identifier: Apache-2.0
* Copyright 2011-2022 Blender Foundation */
/* Templated common implementation part of all CPU kernels.
*
* The idea is that particular .cpp files sets needed optimization flags and
* simply includes this file without worry of copying actual implementation over.
*/
#pragma once
// clang-format off
#include "kernel/device/cpu/compat.h"
#ifndef KERNEL_STUB
# include "kernel/device/cpu/globals.h"
# include "kernel/device/cpu/image.h"
# include "kernel/integrator/state.h"
# include "kernel/integrator/state_flow.h"
# include "kernel/integrator/state_util.h"
# include "kernel/integrator/init_from_camera.h"
# include "kernel/integrator/init_from_bake.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"
# include "kernel/integrator/megakernel.h"
# include "kernel/film/adaptive_sampling.h"
# include "kernel/film/cryptomatte_passes.h"
# include "kernel/film/read.h"
# include "kernel/bake/bake.h"
#else
# define STUB_ASSERT(arch, name) \
assert(!(#name " kernel stub for architecture " #arch " was called!"))
#endif /* KERNEL_STUB */
// clang-format on
CCL_NAMESPACE_BEGIN
/* --------------------------------------------------------------------
* Integrator.
*/
#ifdef KERNEL_STUB
# define KERNEL_INVOKE(name, ...) (STUB_ASSERT(KERNEL_ARCH, name), 0)
#else
# define KERNEL_INVOKE(name, ...) integrator_##name(__VA_ARGS__)
#endif
/* TODO: Either use something like get_work_pixel(), or simplify tile which is passed here, so
* that it does not contain unused fields. */
#define DEFINE_INTEGRATOR_INIT_KERNEL(name) \
bool KERNEL_FUNCTION_FULL_NAME(integrator_##name)(const KernelGlobalsCPU *kg, \
IntegratorStateCPU *state, \
KernelWorkTile *tile, \
ccl_global float *render_buffer) \
{ \
return KERNEL_INVOKE( \
name, kg, state, tile, render_buffer, tile->x, tile->y, tile->start_sample); \
}
#define DEFINE_INTEGRATOR_KERNEL(name) \
void KERNEL_FUNCTION_FULL_NAME(integrator_##name)(const KernelGlobalsCPU *kg, \
IntegratorStateCPU *state) \
{ \
KERNEL_INVOKE(name, kg, state); \
}
#define DEFINE_INTEGRATOR_SHADE_KERNEL(name) \
void KERNEL_FUNCTION_FULL_NAME(integrator_##name)( \
const KernelGlobalsCPU *kg, IntegratorStateCPU *state, ccl_global float *render_buffer) \
{ \
KERNEL_INVOKE(name, kg, state, render_buffer); \
}
#define DEFINE_INTEGRATOR_SHADOW_KERNEL(name) \
void KERNEL_FUNCTION_FULL_NAME(integrator_##name)(const KernelGlobalsCPU *kg, \
IntegratorStateCPU *state) \
{ \
KERNEL_INVOKE(name, kg, &state->shadow); \
}
#define DEFINE_INTEGRATOR_SHADOW_SHADE_KERNEL(name) \
void KERNEL_FUNCTION_FULL_NAME(integrator_##name)( \
const KernelGlobalsCPU *kg, IntegratorStateCPU *state, ccl_global float *render_buffer) \
{ \
KERNEL_INVOKE(name, kg, &state->shadow, render_buffer); \
}
DEFINE_INTEGRATOR_INIT_KERNEL(init_from_camera)
DEFINE_INTEGRATOR_INIT_KERNEL(init_from_bake)
DEFINE_INTEGRATOR_SHADE_KERNEL(intersect_closest)
DEFINE_INTEGRATOR_KERNEL(intersect_subsurface)
DEFINE_INTEGRATOR_KERNEL(intersect_volume_stack)
DEFINE_INTEGRATOR_SHADE_KERNEL(shade_background)
DEFINE_INTEGRATOR_SHADE_KERNEL(shade_light)
DEFINE_INTEGRATOR_SHADE_KERNEL(shade_surface)
DEFINE_INTEGRATOR_SHADE_KERNEL(shade_volume)
DEFINE_INTEGRATOR_SHADE_KERNEL(megakernel)
DEFINE_INTEGRATOR_SHADOW_KERNEL(intersect_shadow)
DEFINE_INTEGRATOR_SHADOW_SHADE_KERNEL(shade_shadow)
/* --------------------------------------------------------------------
* Shader evaluation.
*/
void KERNEL_FUNCTION_FULL_NAME(shader_eval_displace)(const KernelGlobalsCPU *kg,
const KernelShaderEvalInput *input,
float *output,
const int offset)
{
#ifdef KERNEL_STUB
STUB_ASSERT(KERNEL_ARCH, shader_eval_displace);
#else
kernel_displace_evaluate(kg, input, output, offset);
#endif
}
void KERNEL_FUNCTION_FULL_NAME(shader_eval_background)(const KernelGlobalsCPU *kg,
const KernelShaderEvalInput *input,
float *output,
const int offset)
{
#ifdef KERNEL_STUB
STUB_ASSERT(KERNEL_ARCH, shader_eval_background);
#else
kernel_background_evaluate(kg, input, output, offset);
#endif
}
void KERNEL_FUNCTION_FULL_NAME(shader_eval_curve_shadow_transparency)(
const KernelGlobalsCPU *kg,
const KernelShaderEvalInput *input,
float *output,
const int offset)
{
#ifdef KERNEL_STUB
STUB_ASSERT(KERNEL_ARCH, shader_eval_curve_shadow_transparency);
#else
kernel_curve_shadow_transparency_evaluate(kg, input, output, offset);
#endif
}
/* --------------------------------------------------------------------
* Adaptive sampling.
*/
bool KERNEL_FUNCTION_FULL_NAME(adaptive_sampling_convergence_check)(
const KernelGlobalsCPU *kg,
ccl_global float *render_buffer,
int x,
int y,
float threshold,
bool reset,
int offset,
int stride)
{
#ifdef KERNEL_STUB
STUB_ASSERT(KERNEL_ARCH, adaptive_sampling_convergence_check);
return false;
#else
return film_adaptive_sampling_convergence_check(
kg, render_buffer, x, y, threshold, reset, offset, stride);
#endif
}
void KERNEL_FUNCTION_FULL_NAME(adaptive_sampling_filter_x)(const KernelGlobalsCPU *kg,
ccl_global float *render_buffer,
int y,
int start_x,
int width,
int offset,
int stride)
{
#ifdef KERNEL_STUB
STUB_ASSERT(KERNEL_ARCH, adaptive_sampling_filter_x);
#else
film_adaptive_sampling_filter_x(kg, render_buffer, y, start_x, width, offset, stride);
#endif
}
void KERNEL_FUNCTION_FULL_NAME(adaptive_sampling_filter_y)(const KernelGlobalsCPU *kg,
ccl_global float *render_buffer,
int x,
int start_y,
int height,
int offset,
int stride)
{
#ifdef KERNEL_STUB
STUB_ASSERT(KERNEL_ARCH, adaptive_sampling_filter_y);
#else
film_adaptive_sampling_filter_y(kg, render_buffer, x, start_y, height, offset, stride);
#endif
}
/* --------------------------------------------------------------------
* Cryptomatte.
*/
void KERNEL_FUNCTION_FULL_NAME(cryptomatte_postprocess)(const KernelGlobalsCPU *kg,
ccl_global float *render_buffer,
int pixel_index)
{
#ifdef KERNEL_STUB
STUB_ASSERT(KERNEL_ARCH, cryptomatte_postprocess);
#else
film_cryptomatte_post(kg, render_buffer, pixel_index);
#endif
}
/* --------------------------------------------------------------------
* Film Convert.
*/
#ifdef KERNEL_STUB
# define KERNEL_FILM_CONVERT_FUNCTION(name, is_float) \
void KERNEL_FUNCTION_FULL_NAME(film_convert_##name)(const KernelFilmConvert *kfilm_convert, \
const float *buffer, \
float *pixel, \
const int width, \
const int buffer_stride, \
const int pixel_stride) \
{ \
STUB_ASSERT(KERNEL_ARCH, film_convert_##name); \
} \
void KERNEL_FUNCTION_FULL_NAME(film_convert_half_rgba_##name)( \
const KernelFilmConvert *kfilm_convert, \
const float *buffer, \
half4 *pixel, \
const int width, \
const int buffer_stride) \
{ \
STUB_ASSERT(KERNEL_ARCH, film_convert_##name); \
}
#else
# define KERNEL_FILM_CONVERT_FUNCTION(name, is_float) \
void KERNEL_FUNCTION_FULL_NAME(film_convert_##name)(const KernelFilmConvert *kfilm_convert, \
const float *buffer, \
float *pixel, \
const int width, \
const int buffer_stride, \
const int pixel_stride) \
{ \
for (int i = 0; i < width; i++, buffer += buffer_stride, pixel += pixel_stride) { \
film_get_pass_pixel_##name(kfilm_convert, buffer, pixel); \
} \
} \
void KERNEL_FUNCTION_FULL_NAME(film_convert_half_rgba_##name)( \
const KernelFilmConvert *kfilm_convert, \
const float *buffer, \
half4 *pixel, \
const int width, \
const int buffer_stride) \
{ \
for (int i = 0; i < width; i++, buffer += buffer_stride, pixel++) { \
float pixel_rgba[4] = {0.0f, 0.0f, 0.0f, 1.0f}; \
film_get_pass_pixel_##name(kfilm_convert, buffer, pixel_rgba); \
if (is_float) { \
pixel_rgba[1] = pixel_rgba[0]; \
pixel_rgba[2] = pixel_rgba[0]; \
} \
film_apply_pass_pixel_overlays_rgba(kfilm_convert, buffer, pixel_rgba); \
*pixel = float4_to_half4_display( \
make_float4(pixel_rgba[0], pixel_rgba[1], pixel_rgba[2], pixel_rgba[3])); \
} \
}
#endif
KERNEL_FILM_CONVERT_FUNCTION(depth, true)
KERNEL_FILM_CONVERT_FUNCTION(mist, true)
KERNEL_FILM_CONVERT_FUNCTION(sample_count, true)
KERNEL_FILM_CONVERT_FUNCTION(float, true)
KERNEL_FILM_CONVERT_FUNCTION(light_path, false)
KERNEL_FILM_CONVERT_FUNCTION(float3, false)
KERNEL_FILM_CONVERT_FUNCTION(motion, false)
KERNEL_FILM_CONVERT_FUNCTION(cryptomatte, false)
KERNEL_FILM_CONVERT_FUNCTION(shadow_catcher, false)
KERNEL_FILM_CONVERT_FUNCTION(shadow_catcher_matte_with_shadow, false)
KERNEL_FILM_CONVERT_FUNCTION(combined, false)
KERNEL_FILM_CONVERT_FUNCTION(float4, false)
#undef KERNEL_FILM_CONVERT_FUNCTION
#undef KERNEL_INVOKE
#undef DEFINE_INTEGRATOR_KERNEL
#undef DEFINE_INTEGRATOR_SHADE_KERNEL
#undef DEFINE_INTEGRATOR_INIT_KERNEL
#undef KERNEL_STUB
#undef STUB_ASSERT
#undef KERNEL_ARCH
CCL_NAMESPACE_END
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