Add Chromium-only Blender WebEngine parity work

blender-5.2.0/intern/cycles/device/cpu/kernel.h

@@ -0,0 +1,137 @@
+/* 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