Cleanup: Render Module: move header files to main directory

Move headers files from `render/extern/` to `render/`

Part of T73586

6 files changed, 0 insertions, 998 deletions

diff --git a/source/blender/render/extern/include/RE_bake.h b/source/blender/render/extern/include/RE_bake.h
deleted file mode 100644
index 3ed41ede006..00000000000
--- a/source/blender/render/extern/include/RE_bake.h
+++ /dev/null
@@ -1,128 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * The Original Code is Copyright (C) 2010 Blender Foundation.
- * All rights reserved.
- */
-
-/** \file
- * \ingroup render
- */
-
-#pragma once
-
-struct Depsgraph;
-struct ImBuf;
-struct Mesh;
-struct Render;
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct BakeImage {
-  struct Image *image;
-  int width;
-  int height;
-  size_t offset;
-} BakeImage;
-
-typedef struct BakeImages {
-  BakeImage *data; /* all the images of an object */
-  int *lookup;     /* lookup table from Material to BakeImage */
-  int size;
-} BakeImages;
-
-typedef struct BakePixel {
-  int primitive_id, object_id;
-  float uv[2];
-  float du_dx, du_dy;
-  float dv_dx, dv_dy;
-} BakePixel;
-
-typedef struct BakeHighPolyData {
-  struct Object *ob;
-  struct Object *ob_eval;
-  struct Mesh *me;
-  bool is_flip_object;
-
-  float obmat[4][4];
-  float imat[4][4];
-} BakeHighPolyData;
-
-/* external_engine.c */
-bool RE_bake_has_engine(struct Render *re);
-
-bool RE_bake_engine(struct Render *re,
-                    struct Depsgraph *depsgraph,
-                    struct Object *object,
-                    const int object_id,
-                    const BakePixel pixel_array[],
-                    const BakeImages *bake_images,
-                    const int depth,
-                    const eScenePassType pass_type,
-                    const int pass_filter,
-                    float result[]);
-
-/* bake.c */
-int RE_pass_depth(const eScenePassType pass_type);
-
-bool RE_bake_pixels_populate_from_objects(struct Mesh *me_low,
-                                          BakePixel pixel_array_from[],
-                                          BakePixel pixel_array_to[],
-                                          BakeHighPolyData highpoly[],
-                                          const int tot_highpoly,
-                                          const size_t num_pixels,
-                                          const bool is_custom_cage,
-                                          const float cage_extrusion,
-                                          const float max_ray_distance,
-                                          float mat_low[4][4],
-                                          float mat_cage[4][4],
-                                          struct Mesh *me_cage);
-
-void RE_bake_pixels_populate(struct Mesh *me,
-                             struct BakePixel *pixel_array,
-                             const size_t num_pixels,
-                             const struct BakeImages *bake_images,
-                             const char *uv_layer);
-
-void RE_bake_mask_fill(const BakePixel pixel_array[], const size_t num_pixels, char *mask);
-
-void RE_bake_margin(struct ImBuf *ibuf, char *mask, const int margin);
-
-void RE_bake_normal_world_to_object(const BakePixel pixel_array[],
-                                    const size_t num_pixels,
-                                    const int depth,
-                                    float result[],
-                                    struct Object *ob,
-                                    const eBakeNormalSwizzle normal_swizzle[3]);
-void RE_bake_normal_world_to_tangent(const BakePixel pixel_array[],
-                                     const size_t num_pixels,
-                                     const int depth,
-                                     float result[],
-                                     struct Mesh *me,
-                                     const eBakeNormalSwizzle normal_swizzle[3],
-                                     float mat[4][4]);
-void RE_bake_normal_world_to_world(const BakePixel pixel_array[],
-                                   const size_t num_pixels,
-                                   const int depth,
-                                   float result[],
-                                   const eBakeNormalSwizzle normal_swizzle[3]);
-
-void RE_bake_ibuf_clear(struct Image *image, const bool is_tangent);
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/source/blender/render/extern/include/RE_engine.h b/source/blender/render/extern/include/RE_engine.h
deleted file mode 100644
index e53f33eacff..00000000000
--- a/source/blender/render/extern/include/RE_engine.h
+++ /dev/null
@@ -1,245 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * The Original Code is Copyright (C) 2006 Blender Foundation.
- * All rights reserved.
- */
-
-/** \file
- * \ingroup render
- */
-
-#pragma once
-
-#include "DNA_listBase.h"
-#include "DNA_node_types.h"
-#include "DNA_scene_types.h"
-#include "RE_bake.h"
-#include "RNA_types.h"
-
-#include "BLI_threads.h"
-
-struct BakePixel;
-struct Depsgraph;
-struct Main;
-struct Object;
-struct Render;
-struct RenderData;
-struct RenderEngine;
-struct RenderEngineType;
-struct RenderLayer;
-struct RenderResult;
-struct ReportList;
-struct Scene;
-struct ViewLayer;
-struct bNode;
-struct bNodeTree;
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* External Engine */
-
-/* RenderEngineType.flag */
-#define RE_INTERNAL 1
-/* #define RE_FLAG_DEPRECATED   2 */
-#define RE_USE_PREVIEW 4
-#define RE_USE_POSTPROCESS 8
-#define RE_USE_EEVEE_VIEWPORT 16
-#define RE_USE_SAVE_BUFFERS 32
-#define RE_USE_SHADING_NODES_CUSTOM 64
-#define RE_USE_SPHERICAL_STEREO 128
-#define RE_USE_STEREO_VIEWPORT 256
-#define RE_USE_GPU_CONTEXT 512
-
-/* RenderEngine.flag */
-#define RE_ENGINE_ANIMATION 1
-#define RE_ENGINE_PREVIEW 2
-#define RE_ENGINE_DO_DRAW 4
-#define RE_ENGINE_DO_UPDATE 8
-#define RE_ENGINE_RENDERING 16
-#define RE_ENGINE_HIGHLIGHT_TILES 32
-
-extern ListBase R_engines;
-
-typedef struct RenderEngineType {
-  struct RenderEngineType *next, *prev;
-
-  /* type info */
-  char idname[64]; /* best keep the same size as BKE_ST_MAXNAME. */
-  char name[64];
-  int flag;
-
-  void (*update)(struct RenderEngine *engine, struct Main *bmain, struct Depsgraph *depsgraph);
-  void (*render)(struct RenderEngine *engine, struct Depsgraph *depsgraph);
-  void (*bake)(struct RenderEngine *engine,
-               struct Depsgraph *depsgraph,
-               struct Object *object,
-               const int pass_type,
-               const int pass_filter,
-               const int width,
-               const int height);
-
-  void (*view_update)(struct RenderEngine *engine,
-                      const struct bContext *context,
-                      struct Depsgraph *depsgraph);
-  void (*view_draw)(struct RenderEngine *engine,
-                    const struct bContext *context,
-                    struct Depsgraph *depsgraph);
-
-  void (*update_script_node)(struct RenderEngine *engine,
-                             struct bNodeTree *ntree,
-                             struct bNode *node);
-  void (*update_render_passes)(struct RenderEngine *engine,
-                               struct Scene *scene,
-                               struct ViewLayer *view_layer);
-
-  struct DrawEngineType *draw_engine;
-
-  /* RNA integration */
-  ExtensionRNA rna_ext;
-} RenderEngineType;
-
-typedef void (*update_render_passes_cb_t)(void *userdata,
-                                          struct Scene *scene,
-                                          struct ViewLayer *view_layer,
-                                          const char *name,
-                                          int channels,
-                                          const char *chanid,
-                                          eNodeSocketDatatype type);
-
-typedef struct RenderEngine {
-  RenderEngineType *type;
-  void *py_instance;
-
-  int flag;
-  struct Object *camera_override;
-  unsigned int layer_override;
-
-  int tile_x;
-  int tile_y;
-
-  struct Render *re;
-  ListBase fullresult;
-  char text[512]; /* IMA_MAX_RENDER_TEXT */
-
-  int resolution_x, resolution_y;
-
-  struct ReportList *reports;
-
-  struct {
-    const struct BakePixel *pixels;
-    float *result;
-    int width, height, depth;
-    int object_id;
-  } bake;
-
-  /* Depsgraph */
-  struct Depsgraph *depsgraph;
-
-  /* callback for render pass query */
-  ThreadMutex update_render_passes_mutex;
-  update_render_passes_cb_t update_render_passes_cb;
-  void *update_render_passes_data;
-
-  rctf last_viewplane;
-  rcti last_disprect;
-  float last_viewmat[4][4];
-  int last_winx, last_winy;
-} RenderEngine;
-
-RenderEngine *RE_engine_create(RenderEngineType *type);
-void RE_engine_free(RenderEngine *engine);
-
-void RE_layer_load_from_file(
-    struct RenderLayer *layer, struct ReportList *reports, const char *filename, int x, int y);
-void RE_result_load_from_file(struct RenderResult *result,
-                              struct ReportList *reports,
-                              const char *filename);
-
-struct RenderResult *RE_engine_begin_result(
-    RenderEngine *engine, int x, int y, int w, int h, const char *layername, const char *viewname);
-void RE_engine_update_result(RenderEngine *engine, struct RenderResult *result);
-void RE_engine_add_pass(RenderEngine *engine,
-                        const char *name,
-                        int channels,
-                        const char *chan_id,
-                        const char *layername);
-void RE_engine_end_result(RenderEngine *engine,
-                          struct RenderResult *result,
-                          bool cancel,
-                          bool highlight,
-                          bool merge_results);
-struct RenderResult *RE_engine_get_result(struct RenderEngine *engine);
-
-const char *RE_engine_active_view_get(RenderEngine *engine);
-void RE_engine_active_view_set(RenderEngine *engine, const char *viewname);
-float RE_engine_get_camera_shift_x(RenderEngine *engine,
-                                   struct Object *camera,
-                                   bool use_spherical_stereo);
-void RE_engine_get_camera_model_matrix(RenderEngine *engine,
-                                       struct Object *camera,
-                                       bool use_spherical_stereo,
-                                       float *r_modelmat);
-bool RE_engine_get_spherical_stereo(RenderEngine *engine, struct Object *camera);
-
-bool RE_engine_test_break(RenderEngine *engine);
-void RE_engine_update_stats(RenderEngine *engine, const char *stats, const char *info);
-void RE_engine_update_progress(RenderEngine *engine, float progress);
-void RE_engine_update_memory_stats(RenderEngine *engine, float mem_used, float mem_peak);
-void RE_engine_report(RenderEngine *engine, int type, const char *msg);
-void RE_engine_set_error_message(RenderEngine *engine, const char *msg);
-
-int RE_engine_render(struct Render *re, int do_all);
-
-bool RE_engine_is_external(const struct Render *re);
-
-void RE_engine_frame_set(struct RenderEngine *engine, int frame, float subframe);
-
-void RE_engine_update_render_passes(struct RenderEngine *engine,
-                                    struct Scene *scene,
-                                    struct ViewLayer *view_layer,
-                                    update_render_passes_cb_t callback,
-                                    void *callback_data);
-void RE_engine_register_pass(struct RenderEngine *engine,
-                             struct Scene *scene,
-                             struct ViewLayer *view_layer,
-                             const char *name,
-                             int channels,
-                             const char *chanid,
-                             eNodeSocketDatatype type);
-
-/* Engine Types */
-
-void RE_engines_init(void);
-void RE_engines_exit(void);
-void RE_engines_register(RenderEngineType *render_type);
-
-bool RE_engine_is_opengl(RenderEngineType *render_type);
-
-RenderEngineType *RE_engines_find(const char *idname);
-
-rcti *RE_engine_get_current_tiles(struct Render *re, int *r_total_tiles, bool *r_needs_free);
-struct RenderData *RE_engine_get_render_data(struct Render *re);
-void RE_bake_engine_set_engine_parameters(struct Render *re,
-                                          struct Main *bmain,
-                                          struct Scene *scene);
-
-void RE_engine_free_blender_memory(struct RenderEngine *engine);
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/source/blender/render/extern/include/RE_multires_bake.h b/source/blender/render/extern/include/RE_multires_bake.h
deleted file mode 100644
index fd200e85719..00000000000
--- a/source/blender/render/extern/include/RE_multires_bake.h
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * The Original Code is Copyright (C) 2010 Blender Foundation.
- * All rights reserved.
- */
-
-/** \file
- * \ingroup render
- */
-
-#pragma once
-
-struct MultiresBakeRender;
-struct Scene;
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-typedef struct MultiresBakeRender {
-  Scene *scene;
-  DerivedMesh *lores_dm, *hires_dm;
-  int bake_filter; /* Bake-filter, aka margin */
-  int lvl, tot_lvl;
-  short mode;
-  bool use_lores_mesh; /* Use low-resolution mesh when baking displacement maps */
-
-  /* material aligned image array (for per-face bake image) */
-  struct {
-    Image **array;
-    int len;
-  } ob_image;
-
-  int number_of_rays; /* Number of rays to be cast when doing AO baking */
-  float bias;         /* Bias between object and start ray point when doing AO baking */
-
-  int tot_obj, tot_image;
-  ListBase image;
-
-  int baked_objects, baked_faces;
-
-  int raytrace_structure; /* Optimization structure to be used for AO baking */
-  int octree_resolution;  /* Reslution of octotree when using octotree optimization structure */
-  int threads;            /* Number of threads to be used for baking */
-
-  float user_scale; /* User scale used to scale displacement when baking derivative map. */
-
-  short *stop;
-  short *do_update;
-  float *progress;
-} MultiresBakeRender;
-
-void RE_multires_bake_images(struct MultiresBakeRender *bkr);
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/source/blender/render/extern/include/RE_pipeline.h b/source/blender/render/extern/include/RE_pipeline.h
deleted file mode 100644
index 4dd2b300700..00000000000
--- a/source/blender/render/extern/include/RE_pipeline.h
+++ /dev/null
@@ -1,392 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * The Original Code is Copyright (C) 2006 Blender Foundation.
- * All rights reserved.
- */
-
-/** \file
- * \ingroup render
- */
-
-#pragma once
-
-#include "DEG_depsgraph.h"
-#include "DNA_listBase.h"
-#include "DNA_vec_types.h"
-
-struct Image;
-struct ImageFormatData;
-struct Main;
-struct Object;
-struct RenderData;
-struct RenderResult;
-struct ReportList;
-struct Scene;
-struct StampData;
-struct ViewLayer;
-struct bMovieHandle;
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-/* this include is what is exposed of render to outside world */
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-/* length of the scene name + passname */
-#define RE_MAXNAME ((MAX_ID_NAME - 2) + 10)
-
-/* only used as handle */
-typedef struct Render Render;
-
-/* Render Result usage:
- *
- * - render engine allocates/frees and delivers raw floating point rects
- * - right now it's full rects, but might become tiles or file
- * - the display client has to allocate display rects, sort out what to display,
- *   and how it's converted
- */
-
-typedef struct RenderView {
-  struct RenderView *next, *prev;
-  char name[64]; /* EXR_VIEW_MAXNAME */
-
-  /* if this exists, result of composited layers */
-  float *rectf;
-  /* if this exists, result of composited layers */
-  float *rectz;
-  /* optional, 32 bits version of picture, used for sequencer, ogl render and image curves */
-  int *rect32;
-
-} RenderView;
-
-typedef struct RenderPass {
-  struct RenderPass *next, *prev;
-  int channels;
-  char name[64];   /* amount defined in openexr_multi.h */
-  char chan_id[8]; /* amount defined in openexr_multi.h */
-  float *rect;
-  int rectx, recty;
-
-  char fullname[64]; /* EXR_PASS_MAXNAME */
-  char view[64];     /* EXR_VIEW_MAXNAME */
-  int view_id;       /* quick lookup */
-
-  int pad;
-} RenderPass;
-
-/* a renderlayer is a full image, but with all passes and samples */
-/* size of the rects is defined in RenderResult */
-/* after render, the Combined pass is in combined,
- * for renderlayers read from files it is a real pass */
-typedef struct RenderLayer {
-  struct RenderLayer *next, *prev;
-
-  /** copy of RenderData */
-  char name[RE_MAXNAME];
-  int layflag, passflag, pass_xor;
-
-  int rectx, recty;
-
-  /** Optional saved endresult on disk. */
-  void *exrhandle;
-
-  ListBase passes;
-
-} RenderLayer;
-
-typedef struct RenderResult {
-  struct RenderResult *next, *prev;
-
-  /* target image size */
-  int rectx, recty;
-  short crop, sample_nr;
-
-  /* The following rect32, rectf and rectz buffers are for temporary storage only,
-   * for RenderResult structs created in #RE_AcquireResultImage - which do not have RenderView */
-
-  /* optional, 32 bits version of picture, used for ogl render and image curves */
-  int *rect32;
-  /* if this exists, a copy of one of layers, or result of composited layers */
-  float *rectf;
-  /* if this exists, a copy of one of layers, or result of composited layers */
-  float *rectz;
-
-  /* coordinates within final image (after cropping) */
-  rcti tilerect;
-  /* offset to apply to get a border render in full image */
-  int xof, yof;
-
-  /* the main buffers */
-  ListBase layers;
-
-  /* multiView maps to a StringVector in OpenEXR */
-  ListBase views; /* RenderView */
-
-  /* allowing live updates: */
-  volatile rcti renrect;
-  volatile RenderLayer *renlay;
-
-  /* optional saved endresult on disk */
-  int do_exr_tile;
-
-  /* for render results in Image, verify validity for sequences */
-  int framenr;
-
-  /* for acquire image, to indicate if it there is a combined layer */
-  int have_combined;
-
-  /* render info text */
-  char *text;
-  char *error;
-
-  struct StampData *stamp_data;
-} RenderResult;
-
-typedef struct RenderStats {
-  int cfra;
-  bool localview;
-  double starttime, lastframetime;
-  const char *infostr, *statstr;
-  char scene_name[MAX_ID_NAME - 2];
-  float mem_used, mem_peak;
-} RenderStats;
-
-/* *********************** API ******************** */
-
-/* the name is used as identifier, so elsewhere in blender the result can retrieved */
-/* calling a new render with same name, frees automatic existing render */
-struct Render *RE_NewRender(const char *name);
-struct Render *RE_GetRender(const char *name);
-
-struct Scene;
-struct Render *RE_NewSceneRender(const struct Scene *scene);
-struct Render *RE_GetSceneRender(const struct Scene *scene);
-
-/* assign default dummy callbacks */
-void RE_InitRenderCB(struct Render *re);
-
-/* use free render as signal to do everything over (previews) */
-void RE_FreeRender(struct Render *re);
-/* only called on exit */
-void RE_FreeAllRender(void);
-/* Free memory used by persistent data.
- * Invoked when loading new file.
- */
-void RE_FreeAllPersistentData(void);
-/* only call on file load */
-void RE_FreeAllRenderResults(void);
-/* for external render engines that can keep persistent data */
-void RE_FreePersistentData(void);
-
-/* get results and statistics */
-void RE_FreeRenderResult(struct RenderResult *rr);
-struct RenderResult *RE_AcquireResultRead(struct Render *re);
-struct RenderResult *RE_AcquireResultWrite(struct Render *re);
-void RE_ReleaseResult(struct Render *re);
-void RE_AcquireResultImageViews(struct Render *re, struct RenderResult *rr);
-void RE_ReleaseResultImageViews(struct Render *re, struct RenderResult *rr);
-void RE_AcquireResultImage(struct Render *re, struct RenderResult *rr, const int view_id);
-void RE_ReleaseResultImage(struct Render *re);
-void RE_SwapResult(struct Render *re, struct RenderResult **rr);
-void RE_ClearResult(struct Render *re);
-struct RenderStats *RE_GetStats(struct Render *re);
-
-void RE_ResultGet32(struct Render *re, unsigned int *rect);
-void RE_AcquiredResultGet32(struct Render *re,
-                            struct RenderResult *result,
-                            unsigned int *rect,
-                            const int view_id);
-
-void RE_render_result_rect_from_ibuf(struct RenderResult *rr,
-                                     struct RenderData *rd,
-                                     struct ImBuf *ibuf,
-                                     const int view_id);
-
-struct RenderLayer *RE_GetRenderLayer(struct RenderResult *rr, const char *name);
-float *RE_RenderLayerGetPass(volatile struct RenderLayer *rl,
-                             const char *name,
-                             const char *viewname);
-
-bool RE_HasSingleLayer(struct Render *re);
-
-/* add passes for grease pencil */
-struct RenderPass *RE_create_gp_pass(struct RenderResult *rr,
-                                     const char *layername,
-                                     const char *viewname);
-
-void RE_create_render_pass(struct RenderResult *rr,
-                           const char *name,
-                           int channels,
-                           const char *chan_id,
-                           const char *layername,
-                           const char *viewname);
-
-/* obligatory initialize call, disprect is optional */
-void RE_InitState(struct Render *re,
-                  struct Render *source,
-                  struct RenderData *rd,
-                  struct ListBase *render_layers,
-                  struct ViewLayer *single_layer,
-                  int winx,
-                  int winy,
-                  rcti *disprect);
-void RE_ChangeResolution(struct Render *re, int winx, int winy, rcti *disprect);
-void RE_ChangeModeFlag(struct Render *re, int flag, bool clear);
-
-/* set up the viewplane/perspective matrix, three choices */
-struct Object *RE_GetCamera(struct Render *re); /* return camera override if set */
-void RE_SetOverrideCamera(struct Render *re, struct Object *cam_ob);
-void RE_SetCamera(struct Render *re, struct Object *cam_ob);
-void RE_SetWindow(struct Render *re, const rctf *viewplane, float clip_start, float clip_end);
-void RE_SetOrtho(struct Render *re, const rctf *viewplane, float clip_start, float clip_end);
-
-/* get current view and window transform */
-void RE_GetViewPlane(struct Render *re, rctf *r_viewplane, rcti *r_disprect);
-
-/* set the render threads based on the command-line and autothreads setting */
-void RE_init_threadcount(Render *re);
-
-bool RE_WriteRenderViewsImage(struct ReportList *reports,
-                              struct RenderResult *rr,
-                              struct Scene *scene,
-                              const bool stamp,
-                              char *name);
-bool RE_WriteRenderViewsMovie(struct ReportList *reports,
-                              struct RenderResult *rr,
-                              struct Scene *scene,
-                              struct RenderData *rd,
-                              struct bMovieHandle *mh,
-                              void **movie_ctx_arr,
-                              const int totvideos,
-                              bool preview);
-
-/* only RE_NewRender() needed, main Blender render calls */
-void RE_RenderFrame(struct Render *re,
-                    struct Main *bmain,
-                    struct Scene *scene,
-                    struct ViewLayer *single_layer,
-                    struct Object *camera_override,
-                    int frame,
-                    const bool write_still);
-void RE_RenderAnim(struct Render *re,
-                   struct Main *bmain,
-                   struct Scene *scene,
-                   struct ViewLayer *single_layer,
-                   struct Object *camera_override,
-                   int sfra,
-                   int efra,
-                   int tfra);
-#ifdef WITH_FREESTYLE
-void RE_RenderFreestyleStrokes(struct Render *re,
-                               struct Main *bmain,
-                               struct Scene *scene,
-                               int render);
-void RE_RenderFreestyleExternal(struct Render *re);
-#endif
-
-/* Free memory and clear runtime data which is only needed during rendering. */
-void RE_CleanAfterRender(struct Render *re);
-
-void RE_SetActiveRenderView(struct Render *re, const char *viewname);
-const char *RE_GetActiveRenderView(struct Render *re);
-
-/* error reporting */
-void RE_SetReports(struct Render *re, struct ReportList *reports);
-
-/* main preview render call */
-void RE_PreviewRender(struct Render *re, struct Main *bmain, struct Scene *scene);
-
-bool RE_ReadRenderResult(struct Scene *scene, struct Scene *scenode);
-bool RE_WriteRenderResult(struct ReportList *reports,
-                          RenderResult *rr,
-                          const char *filename,
-                          struct ImageFormatData *imf,
-                          const char *view,
-                          int layer);
-struct RenderResult *RE_MultilayerConvert(
-    void *exrhandle, const char *colorspace, bool predivide, int rectx, int recty);
-
-/* display and event callbacks */
-void RE_display_init_cb(struct Render *re,
-                        void *handle,
-                        void (*f)(void *handle, RenderResult *rr));
-void RE_display_clear_cb(struct Render *re,
-                         void *handle,
-                         void (*f)(void *handle, RenderResult *rr));
-void RE_display_update_cb(struct Render *re,
-                          void *handle,
-                          void (*f)(void *handle, RenderResult *rr, volatile struct rcti *rect));
-void RE_stats_draw_cb(struct Render *re, void *handle, void (*f)(void *handle, RenderStats *rs));
-void RE_progress_cb(struct Render *re, void *handle, void (*f)(void *handle, float));
-void RE_draw_lock_cb(struct Render *re, void *handle, void (*f)(void *handle, int));
-void RE_test_break_cb(struct Render *re, void *handle, int (*f)(void *handle));
-void RE_current_scene_update_cb(struct Render *re,
-                                void *handle,
-                                void (*f)(void *handle, struct Scene *scene));
-
-void RE_gl_context_create(Render *re);
-void RE_gl_context_destroy(Render *re);
-void *RE_gl_context_get(Render *re);
-void *RE_gpu_context_get(Render *re);
-
-/* should move to kernel once... still unsure on how/where */
-float RE_filter_value(int type, float x);
-
-int RE_seq_render_active(struct Scene *scene, struct RenderData *rd);
-
-bool RE_layers_have_name(struct RenderResult *result);
-bool RE_passes_have_name(struct RenderLayer *rl);
-
-struct RenderPass *RE_pass_find_by_name(volatile struct RenderLayer *rl,
-                                        const char *name,
-                                        const char *viewname);
-struct RenderPass *RE_pass_find_by_type(volatile struct RenderLayer *rl,
-                                        int passtype,
-                                        const char *viewname);
-
-/* shaded view or baking options */
-#define RE_BAKE_NORMALS 0
-#define RE_BAKE_DISPLACEMENT 1
-#define RE_BAKE_AO 2
-
-void RE_GetCameraWindow(struct Render *re, struct Object *camera, float mat[4][4]);
-void RE_GetCameraWindowWithOverscan(struct Render *re, float overscan, float r_winmat[4][4]);
-void RE_GetCameraModelMatrix(struct Render *re, struct Object *camera, float r_modelmat[4][4]);
-struct Scene *RE_GetScene(struct Render *re);
-void RE_SetScene(struct Render *re, struct Scene *sce);
-
-bool RE_is_rendering_allowed(struct Scene *scene,
-                             struct ViewLayer *single_layer,
-                             struct Object *camera_override,
-                             struct ReportList *reports);
-
-bool RE_allow_render_generic_object(struct Object *ob);
-
-/******* defined in render_result.c *********/
-
-bool RE_HasCombinedLayer(RenderResult *res);
-bool RE_HasFloatPixels(RenderResult *res);
-bool RE_RenderResult_is_stereo(RenderResult *res);
-struct RenderView *RE_RenderViewGetById(struct RenderResult *rr, const int view_id);
-struct RenderView *RE_RenderViewGetByName(struct RenderResult *rr, const char *viewname);
-
-RenderResult *RE_DuplicateRenderResult(RenderResult *rr);
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/source/blender/render/extern/include/RE_render_ext.h b/source/blender/render/extern/include/RE_render_ext.h
deleted file mode 100644
index 76812840c91..00000000000
--- a/source/blender/render/extern/include/RE_render_ext.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * The Original Code is Copyright (C) 2006 by Blender Foundation
- * All rights reserved.
- */
-/** \file
- * \ingroup render
- */
-
-#pragma once
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-/* this include is for non-render pipeline exports (still old cruft here) */
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-/* called by meshtools */
-struct Depsgraph;
-struct ImagePool;
-struct MTex;
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* render_texture.c */
-bool RE_texture_evaluate(const struct MTex *mtex,
-                         const float vec[3],
-                         const int thread,
-                         struct ImagePool *pool,
-                         const bool skip_load_image,
-                         const bool texnode_preview,
-                         /* Return arguments. */
-                         float *r_intensity,
-                         float r_rgba[4]) ATTR_NONNULL(1, 2, 7, 8);
-
-void texture_rgb_blend(
-    float in[3], const float tex[3], const float out[3], float fact, float facg, int blendtype);
-float texture_value_blend(float tex, float out, float fact, float facg, int blendtype);
-
-void RE_texture_rng_init(void);
-void RE_texture_rng_exit(void);
-
-/* imagetexture.c */
-void ibuf_sample(struct ImBuf *ibuf, float fx, float fy, float dx, float dy, float result[4]);
-
-/* pointdensity.c */
-struct PointDensity;
-
-void RE_point_density_cache(struct Depsgraph *depsgraph, struct PointDensity *pd);
-
-void RE_point_density_minmax(struct Depsgraph *depsgraph,
-                             struct PointDensity *pd,
-                             float r_min[3],
-                             float r_max[3]);
-
-void RE_point_density_sample(struct Depsgraph *depsgraph,
-                             struct PointDensity *pd,
-                             const int resolution,
-                             float *values);
-
-void RE_point_density_free(struct PointDensity *pd);
-
-void RE_point_density_fix_linking(void);
-
-#ifdef __cplusplus
-}
-#endif
diff --git a/source/blender/render/extern/include/RE_shader_ext.h b/source/blender/render/extern/include/RE_shader_ext.h
deleted file mode 100644
index d9d5a924949..00000000000
--- a/source/blender/render/extern/include/RE_shader_ext.h
+++ /dev/null
@@ -1,83 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- *
- * The Original Code is Copyright (C) 2006 by Blender Foundation
- * All rights reserved.
- */
-/** \file
- * \ingroup render
- */
-
-#pragma once
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-/* this include is for texture exports                        */
-/* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */
-
-/* localized texture result data */
-/* note; tr tg tb ta has to remain in this order */
-typedef struct TexResult {
-  float tin, tr, tg, tb, ta;
-  int talpha;
-  float *nor;
-} TexResult;
-
-typedef struct BakeImBufuserData {
-  float *displacement_buffer;
-  char *mask_buffer;
-} BakeImBufuserData;
-
-/* node shaders... */
-struct ImagePool;
-struct MTex;
-struct Tex;
-
-/* this one uses nodes */
-int multitex_ext(struct Tex *tex,
-                 float texvec[3],
-                 float dxt[3],
-                 float dyt[3],
-                 int osatex,
-                 struct TexResult *texres,
-                 const short thread,
-                 struct ImagePool *pool,
-                 bool scene_color_manage,
-                 const bool skip_load_image);
-/* nodes disabled */
-int multitex_ext_safe(struct Tex *tex,
-                      const float texvec[3],
-                      struct TexResult *texres,
-                      struct ImagePool *pool,
-                      bool scene_color_manage,
-                      const bool skip_load_image);
-/* only for internal node usage */
-int multitex_nodes(struct Tex *tex,
-                   const float texvec[3],
-                   float dxt[3],
-                   float dyt[3],
-                   int osatex,
-                   struct TexResult *texres,
-                   const short thread,
-                   short which_output,
-                   struct MTex *mtex,
-                   struct ImagePool *pool);
-
-#ifdef __cplusplus
-}
-#endif