device/cpu/kernel.h

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/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
 *
 * SPDX-License-Identifier: Apache-2.0 */
 
#pragma once
 
#include "device/cpu/kernel_function.h"
#include "util/half.h"
 
CCL_NAMESPACE_BEGIN
 
struct ThreadKernelGlobalsCPU;
struct KernelFilmConvert;
struct IntegratorStateCPU;
struct TileInfo;
 
class CPUKernels {
 public:
  /* Integrator. */
 
  using IntegratorFunction =
      CPUKernelFunction<void (*)(const ThreadKernelGlobalsCPU *kg, IntegratorStateCPU *state)>;
  using IntegratorShadeFunction = CPUKernelFunction<void (*)(const ThreadKernelGlobalsCPU *kg,
                                                             IntegratorStateCPU *state,
                                                             ccl_global float *render_buffer)>;
  using IntegratorInitFunction = CPUKernelFunction<bool (*)(const ThreadKernelGlobalsCPU *kg,
                                                            IntegratorStateCPU *state,
                                                            KernelWorkTile *tile,
                                                            ccl_global float *render_buffer)>;
 
  IntegratorInitFunction integrator_init_from_camera;
  IntegratorInitFunction integrator_init_from_bake;
  IntegratorShadeFunction integrator_megakernel;
 
  /* Shader evaluation. */
 
  using ShaderEvalFunction = CPUKernelFunction<void (*)(
      const ThreadKernelGlobalsCPU *kg, const KernelShaderEvalInput *, float *, const int)>;
 
  ShaderEvalFunction shader_eval_displace;
  ShaderEvalFunction shader_eval_background;
  ShaderEvalFunction shader_eval_curve_shadow_transparency;
  ShaderEvalFunction shader_eval_volume_density;
 
  /* Adaptive stopping. */
 
  using AdaptiveSamplingConvergenceCheckFunction =
      CPUKernelFunction<bool (*)(const ThreadKernelGlobalsCPU *kg,
                                 ccl_global float *render_buffer,
                                 const int x,
                                 const int y,
                                 const float threshold,
                                 const int reset,
                                 const int offset,
                                 int stride)>;
 
  using FilterXFunction = CPUKernelFunction<void (*)(const ThreadKernelGlobalsCPU *kg,
                                                     ccl_global float *render_buffer,
                                                     const int y,
                                                     const int start_x,
                                                     const int width,
                                                     const int offset,
                                                     int stride)>;
 
  using FilterYFunction = CPUKernelFunction<void (*)(const ThreadKernelGlobalsCPU *kg,
                                                     ccl_global float *render_buffer,
                                                     const int x,
                                                     const int start_y,
                                                     const int height,
                                                     const int offset,
                                                     int stride)>;
 
  AdaptiveSamplingConvergenceCheckFunction adaptive_sampling_convergence_check;
 
  FilterXFunction adaptive_sampling_filter_x;
  FilterYFunction adaptive_sampling_filter_y;
 
  /* Volume Scattering Probability Guiding. */
  CPUKernelFunction<void (*)(const ThreadKernelGlobalsCPU *kg,
                             ccl_global float *render_buffer,
                             const int y,
                             const int center_x,
                             const int min_x,
                             const int max_x,
                             const int offset,
                             int stride)>
      volume_guiding_filter_x;
  FilterYFunction volume_guiding_filter_y;
 
  /* Cryptomatte. */
 
  using CryptomattePostprocessFunction = CPUKernelFunction<void (*)(
      const ThreadKernelGlobalsCPU *kg, ccl_global float *render_buffer, const int pixel_index)>;
 
  CryptomattePostprocessFunction cryptomatte_postprocess;
 
  /* Film Convert. */
  using FilmConvertFunction = CPUKernelFunction<void (*)(const KernelFilmConvert *kfilm_convert,
                                                         const float *buffer,
                                                         float *pixel,
                                                         const int width,
                                                         const int buffer_stride,
                                                         const int pixel_stride)>;
  using FilmConvertHalfRGBAFunction =
      CPUKernelFunction<void (*)(const KernelFilmConvert *kfilm_convert,
                                 const float *buffer,
                                 half4 *pixel,
                                 const int width,
                                 const int buffer_stride)>;
 
#define KERNEL_FILM_CONVERT_FUNCTION(name) \
  FilmConvertFunction film_convert_##name; \
  FilmConvertHalfRGBAFunction film_convert_half_rgba_##name;
 
  KERNEL_FILM_CONVERT_FUNCTION(depth)
  KERNEL_FILM_CONVERT_FUNCTION(mist)
  KERNEL_FILM_CONVERT_FUNCTION(volume_majorant)
  KERNEL_FILM_CONVERT_FUNCTION(sample_count)
  KERNEL_FILM_CONVERT_FUNCTION(float)
 
  KERNEL_FILM_CONVERT_FUNCTION(light_path)
  KERNEL_FILM_CONVERT_FUNCTION(rgbe)
  KERNEL_FILM_CONVERT_FUNCTION(float3)
 
  KERNEL_FILM_CONVERT_FUNCTION(motion)
  KERNEL_FILM_CONVERT_FUNCTION(cryptomatte)
  KERNEL_FILM_CONVERT_FUNCTION(shadow_catcher)
  KERNEL_FILM_CONVERT_FUNCTION(shadow_catcher_matte_with_shadow)
  KERNEL_FILM_CONVERT_FUNCTION(combined)
  KERNEL_FILM_CONVERT_FUNCTION(float4)
 
#undef KERNEL_FILM_CONVERT_FUNCTION
 
  CPUKernels();
};
 
CCL_NAMESPACE_END