Render: move editor/render module to c++

Doing this in preparation for some work on asset preview generation.

Differential Revision: https://developer.blender.org/D13676

1 files changed, 0 insertions, 1196 deletions

diff --git a/source/blender/editors/render/render_internal.c b/source/blender/editors/render/render_internal.c
deleted file mode 100644
index 1a9b72c1fab..00000000000
--- a/source/blender/editors/render/render_internal.c
+++ /dev/null
@@ -1,1196 +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) 2008 Blender Foundation.
- * All rights reserved.
- */
-
-/** \file
- * \ingroup edrend
- */
-
-#include <math.h>
-#include <stddef.h>
-#include <string.h>
-
-#include "MEM_guardedalloc.h"
-
-#include "BLI_listbase.h"
-#include "BLI_math.h"
-#include "BLI_rect.h"
-#include "BLI_threads.h"
-#include "BLI_timecode.h"
-#include "BLI_utildefines.h"
-
-#include "PIL_time.h"
-
-#include "BLT_translation.h"
-
-#include "DNA_object_types.h"
-#include "DNA_scene_types.h"
-#include "DNA_userdef_types.h"
-#include "DNA_view3d_types.h"
-
-#include "BKE_colortools.h"
-#include "BKE_context.h"
-#include "BKE_global.h"
-#include "BKE_image.h"
-#include "BKE_lib_id.h"
-#include "BKE_main.h"
-#include "BKE_node.h"
-#include "BKE_node_tree_update.h"
-#include "BKE_object.h"
-#include "BKE_report.h"
-#include "BKE_scene.h"
-#include "BKE_screen.h"
-
-#include "DEG_depsgraph.h"
-
-#include "WM_api.h"
-#include "WM_types.h"
-
-#include "ED_render.h"
-#include "ED_screen.h"
-#include "ED_util.h"
-
-#include "BIF_glutil.h"
-
-#include "RE_engine.h"
-#include "RE_pipeline.h"
-
-#include "IMB_colormanagement.h"
-#include "IMB_imbuf_types.h"
-
-#include "RNA_access.h"
-#include "RNA_define.h"
-
-#include "SEQ_relations.h"
-
-#include "render_intern.h"
-
-/* Render Callbacks */
-static int render_break(void *rjv);
-
-typedef struct RenderJob {
-  Main *main;
-  Scene *scene;
-  ViewLayer *single_layer;
-  Scene *current_scene;
-  /* TODO(sergey): Should not be needed once engine will have own
-   * depsgraph and copy-on-write will be implemented.
-   */
-  Depsgraph *depsgraph;
-  Render *re;
-  struct Object *camera_override;
-  bool v3d_override;
-  bool anim, write_still;
-  Image *image;
-  ImageUser iuser;
-  bool image_outdated;
-  short *stop;
-  short *do_update;
-  float *progress;
-  ReportList *reports;
-  int orig_layer;
-  int last_layer;
-  ScrArea *area;
-  ColorManagedViewSettings view_settings;
-  ColorManagedDisplaySettings display_settings;
-  bool supports_glsl_draw;
-  bool interface_locked;
-} RenderJob;
-
-/* called inside thread! */
-static bool image_buffer_calc_tile_rect(const RenderResult *rr,
-                                        const ImBuf *ibuf,
-                                        volatile rcti *renrect,
-                                        rcti *r_ibuf_rect,
-                                        int *r_offset_x,
-                                        int *r_offset_y)
-{
-  int tile_y, tile_height, tile_x, tile_width;
-
-  /* When `renrect` argument is not NULL, we only refresh scan-lines. */
-  if (renrect) {
-    /* if (tile_height == recty), rendering of layer is ready,
-     * we should not draw, other things happen... */
-    if (rr->renlay == NULL || renrect->ymax >= rr->recty) {
-      return false;
-    }
-
-    /* tile_x here is first subrect x coord, tile_width defines subrect width */
-    tile_x = renrect->xmin;
-    tile_width = renrect->xmax - tile_x;
-    if (tile_width < 2) {
-      return false;
-    }
-
-    tile_y = renrect->ymin;
-    tile_height = renrect->ymax - tile_y;
-    if (tile_height < 2) {
-      return false;
-    }
-    renrect->ymin = renrect->ymax;
-  }
-  else {
-    tile_x = tile_y = 0;
-    tile_width = rr->rectx;
-    tile_height = rr->recty;
-  }
-
-  /* tile_x tile_y is in tile coords. transform to ibuf */
-  int offset_x = rr->tilerect.xmin;
-  if (offset_x >= ibuf->x) {
-    return false;
-  }
-  int offset_y = rr->tilerect.ymin;
-  if (offset_y >= ibuf->y) {
-    return false;
-  }
-
-  if (offset_x + tile_width > ibuf->x) {
-    tile_width = ibuf->x - offset_x;
-  }
-  if (offset_y + tile_height > ibuf->y) {
-    tile_height = ibuf->y - offset_y;
-  }
-
-  if (tile_width < 1 || tile_height < 1) {
-    return false;
-  }
-
-  r_ibuf_rect->xmax = tile_x + tile_width;
-  r_ibuf_rect->ymax = tile_y + tile_height;
-  r_ibuf_rect->xmin = tile_x;
-  r_ibuf_rect->ymin = tile_y;
-  *r_offset_x = offset_x;
-  *r_offset_y = offset_y;
-  return true;
-}
-
-static void image_buffer_rect_update(RenderJob *rj,
-                                     RenderResult *rr,
-                                     ImBuf *ibuf,
-                                     ImageUser *iuser,
-                                     const rcti *tile_rect,
-                                     int offset_x,
-                                     int offset_y,
-                                     const char *viewname)
-{
-  Scene *scene = rj->scene;
-  const float *rectf = NULL;
-  int linear_stride, linear_offset_x, linear_offset_y;
-  ColorManagedViewSettings *view_settings;
-  ColorManagedDisplaySettings *display_settings;
-
-  if (ibuf->userflags & IB_DISPLAY_BUFFER_INVALID) {
-    /* The whole image buffer is to be color managed again anyway. */
-    return;
-  }
-
-  /* The thing here is, the logic below (which was default behavior
-   * of how rectf is acquiring since forever) gives float buffer for
-   * composite output only. This buffer can not be used for other
-   * passes obviously.
-   *
-   * We might try finding corresponding for pass buffer in render result
-   * (which is actually missing when rendering with Cycles, who only
-   * writes all the passes when the tile is finished) or use float
-   * buffer from image buffer as reference, which is easier to use and
-   * contains all the data we need anyway.
-   *                                              - sergey -
-   */
-  /* TODO(sergey): Need to check has_combined here? */
-  if (iuser->pass == 0) {
-    RenderView *rv;
-    const int view_id = BKE_scene_multiview_view_id_get(&scene->r, viewname);
-    rv = RE_RenderViewGetById(rr, view_id);
-
-    /* find current float rect for display, first case is after composite... still weak */
-    if (rv->rectf) {
-      rectf = rv->rectf;
-    }
-    else {
-      if (rv->rect32) {
-        /* special case, currently only happens with sequencer rendering,
-         * which updates the whole frame, so we can only mark display buffer
-         * as invalid here (sergey)
-         */
-        ibuf->userflags |= IB_DISPLAY_BUFFER_INVALID;
-        return;
-      }
-      if (rr->renlay == NULL) {
-        return;
-      }
-      rectf = RE_RenderLayerGetPass(rr->renlay, RE_PASSNAME_COMBINED, viewname);
-    }
-    if (rectf == NULL) {
-      return;
-    }
-
-    rectf += 4 * (rr->rectx * tile_rect->ymin + tile_rect->xmin);
-    linear_stride = rr->rectx;
-    linear_offset_x = offset_x;
-    linear_offset_y = offset_y;
-  }
-  else {
-    rectf = ibuf->rect_float;
-    linear_stride = ibuf->x;
-    linear_offset_x = 0;
-    linear_offset_y = 0;
-  }
-
-  view_settings = &scene->view_settings;
-  display_settings = &scene->display_settings;
-
-  IMB_partial_display_buffer_update(ibuf,
-                                    rectf,
-                                    NULL,
-                                    linear_stride,
-                                    linear_offset_x,
-                                    linear_offset_y,
-                                    view_settings,
-                                    display_settings,
-                                    offset_x,
-                                    offset_y,
-                                    offset_x + BLI_rcti_size_x(tile_rect),
-                                    offset_y + BLI_rcti_size_y(tile_rect));
-}
-
-/* ****************************** render invoking ***************** */
-
-/* set callbacks, exported to sequence render too.
- * Only call in foreground (UI) renders. */
-
-static void screen_render_single_layer_set(
-    wmOperator *op, Main *mainp, ViewLayer *active_layer, Scene **scene, ViewLayer **single_layer)
-{
-  /* single layer re-render */
-  if (RNA_struct_property_is_set(op->ptr, "scene")) {
-    Scene *scn;
-    char scene_name[MAX_ID_NAME - 2];
-
-    RNA_string_get(op->ptr, "scene", scene_name);
-    scn = (Scene *)BLI_findstring(&mainp->scenes, scene_name, offsetof(ID, name) + 2);
-
-    if (scn) {
-      /* camera switch won't have updated */
-      scn->r.cfra = (*scene)->r.cfra;
-      BKE_scene_camera_switch_update(scn);
-
-      *scene = scn;
-    }
-  }
-
-  if (RNA_struct_property_is_set(op->ptr, "layer")) {
-    ViewLayer *rl;
-    char rl_name[RE_MAXNAME];
-
-    RNA_string_get(op->ptr, "layer", rl_name);
-    rl = (ViewLayer *)BLI_findstring(&(*scene)->view_layers, rl_name, offsetof(ViewLayer, name));
-
-    if (rl) {
-      *single_layer = rl;
-    }
-  }
-  else if (((*scene)->r.scemode & R_SINGLE_LAYER) && active_layer) {
-    *single_layer = active_layer;
-  }
-}
-
-/* executes blocking render */
-static int screen_render_exec(bContext *C, wmOperator *op)
-{
-  Scene *scene = CTX_data_scene(C);
-  RenderEngineType *re_type = RE_engines_find(scene->r.engine);
-  ViewLayer *active_layer = CTX_data_view_layer(C);
-  ViewLayer *single_layer = NULL;
-  Render *re;
-  Image *ima;
-  View3D *v3d = CTX_wm_view3d(C);
-  Main *mainp = CTX_data_main(C);
-  const bool is_animation = RNA_boolean_get(op->ptr, "animation");
-  const bool is_write_still = RNA_boolean_get(op->ptr, "write_still");
-  struct Object *camera_override = v3d ? V3D_CAMERA_LOCAL(v3d) : NULL;
-
-  /* Cannot do render if there is not this function. */
-  if (re_type->render == NULL) {
-    return OPERATOR_CANCELLED;
-  }
-
-  /* custom scene and single layer re-render */
-  screen_render_single_layer_set(op, mainp, active_layer, &scene, &single_layer);
-
-  if (!is_animation && is_write_still && BKE_imtype_is_movie(scene->r.im_format.imtype)) {
-    BKE_report(
-        op->reports, RPT_ERROR, "Cannot write a single file with an animation format selected");
-    return OPERATOR_CANCELLED;
-  }
-
-  re = RE_NewSceneRender(scene);
-
-  G.is_break = false;
-
-  RE_draw_lock_cb(re, NULL, NULL);
-  RE_test_break_cb(re, NULL, render_break);
-
-  ima = BKE_image_ensure_viewer(mainp, IMA_TYPE_R_RESULT, "Render Result");
-  BKE_image_signal(mainp, ima, NULL, IMA_SIGNAL_FREE);
-  BKE_image_backup_render(scene, ima, true);
-
-  /* cleanup sequencer caches before starting user triggered render.
-   * otherwise, invalidated cache entries can make their way into
-   * the output rendering. We can't put that into RE_RenderFrame,
-   * since sequence rendering can call that recursively... (peter) */
-  SEQ_cache_cleanup(scene);
-
-  RE_SetReports(re, op->reports);
-
-  if (is_animation) {
-    RE_RenderAnim(re,
-                  mainp,
-                  scene,
-                  single_layer,
-                  camera_override,
-                  scene->r.sfra,
-                  scene->r.efra,
-                  scene->r.frame_step);
-  }
-  else {
-    RE_RenderFrame(re, mainp, scene, single_layer, camera_override, scene->r.cfra, is_write_still);
-  }
-
-  RE_SetReports(re, NULL);
-
-  /* No redraw needed, we leave state as we entered it. */
-  ED_update_for_newframe(mainp, CTX_data_depsgraph_pointer(C));
-
-  WM_event_add_notifier(C, NC_SCENE | ND_RENDER_RESULT, scene);
-
-  return OPERATOR_FINISHED;
-}
-
-static void render_freejob(void *rjv)
-{
-  RenderJob *rj = rjv;
-
-  BKE_color_managed_view_settings_free(&rj->view_settings);
-  MEM_freeN(rj);
-}
-
-/* str is IMA_MAX_RENDER_TEXT in size */
-static void make_renderinfo_string(const RenderStats *rs,
-                                   const Scene *scene,
-                                   const bool v3d_override,
-                                   const char *error,
-                                   char *str)
-{
-  char info_time_str[32]; /* used to be extern to header_info.c */
-  uintptr_t mem_in_use, peak_memory;
-  float megs_used_memory, megs_peak_memory;
-  char *spos = str;
-
-  mem_in_use = MEM_get_memory_in_use();
-  peak_memory = MEM_get_peak_memory();
-
-  megs_used_memory = (mem_in_use) / (1024.0 * 1024.0);
-  megs_peak_memory = (peak_memory) / (1024.0 * 1024.0);
-
-  /* local view */
-  if (rs->localview) {
-    spos += sprintf(spos, "%s | ", TIP_("3D Local View"));
-  }
-  else if (v3d_override) {
-    spos += sprintf(spos, "%s | ", TIP_("3D View"));
-  }
-
-  /* frame number */
-  spos += sprintf(spos, TIP_("Frame:%d "), (scene->r.cfra));
-
-  /* previous and elapsed time */
-  BLI_timecode_string_from_time_simple(info_time_str, sizeof(info_time_str), rs->lastframetime);
-
-  if (rs->infostr && rs->infostr[0]) {
-    if (rs->lastframetime != 0.0) {
-      spos += sprintf(spos, TIP_("| Last:%s "), info_time_str);
-    }
-    else {
-      spos += sprintf(spos, "| ");
-    }
-
-    BLI_timecode_string_from_time_simple(
-        info_time_str, sizeof(info_time_str), PIL_check_seconds_timer() - rs->starttime);
-  }
-  else {
-    spos += sprintf(spos, "| ");
-  }
-
-  spos += sprintf(spos, TIP_("Time:%s "), info_time_str);
-
-  /* statistics */
-  if (rs->statstr) {
-    if (rs->statstr[0]) {
-      spos += sprintf(spos, "| %s ", rs->statstr);
-    }
-  }
-  else {
-    if (rs->mem_peak == 0.0f) {
-      spos += sprintf(spos, TIP_("| Mem:%.2fM (Peak %.2fM) "), megs_used_memory, megs_peak_memory);
-    }
-    else {
-      spos += sprintf(spos, TIP_("| Mem:%.2fM, Peak: %.2fM "), rs->mem_used, rs->mem_peak);
-    }
-  }
-
-  /* extra info */
-  if (rs->infostr && rs->infostr[0]) {
-    spos += sprintf(spos, "| %s ", rs->infostr);
-  }
-  else if (error && error[0]) {
-    spos += sprintf(spos, "| %s ", error);
-  }
-
-  /* very weak... but 512 characters is quite safe */
-  if (spos >= str + IMA_MAX_RENDER_TEXT) {
-    if (G.debug & G_DEBUG) {
-      printf("WARNING! renderwin text beyond limit\n");
-    }
-  }
-}
-
-static void image_renderinfo_cb(void *rjv, RenderStats *rs)
-{
-  RenderJob *rj = rjv;
-  RenderResult *rr;
-
-  rr = RE_AcquireResultRead(rj->re);
-
-  if (rr) {
-    /* malloc OK here, stats_draw is not in tile threads */
-    if (rr->text == NULL) {
-      rr->text = MEM_callocN(IMA_MAX_RENDER_TEXT, "rendertext");
-    }
-
-    make_renderinfo_string(rs, rj->scene, rj->v3d_override, rr->error, rr->text);
-  }
-
-  RE_ReleaseResult(rj->re);
-
-  /* make jobs timer to send notifier */
-  *(rj->do_update) = true;
-}
-
-static void render_progress_update(void *rjv, float progress)
-{
-  RenderJob *rj = rjv;
-
-  if (rj->progress && *rj->progress != progress) {
-    *rj->progress = progress;
-
-    /* make jobs timer to send notifier */
-    *(rj->do_update) = true;
-  }
-}
-
-/* Not totally reliable, but works fine in most of cases and
- * in worst case would just make it so extra color management
- * for the whole render result is applied (which was already
- * happening already).
- */
-static void render_image_update_pass_and_layer(RenderJob *rj, RenderResult *rr, ImageUser *iuser)
-{
-  wmWindowManager *wm;
-  ScrArea *first_area = NULL, *matched_area = NULL;
-
-  /* image window, compo node users */
-  for (wm = rj->main->wm.first; wm && matched_area == NULL; wm = wm->id.next) { /* only 1 wm */
-    wmWindow *win;
-    for (win = wm->windows.first; win && matched_area == NULL; win = win->next) {
-      const bScreen *screen = WM_window_get_active_screen(win);
-
-      LISTBASE_FOREACH (ScrArea *, area, &screen->areabase) {
-        if (area->spacetype == SPACE_IMAGE) {
-          SpaceImage *sima = area->spacedata.first;
-          /* area->spacedata might be empty when toggling full-screen mode. */
-          if (sima != NULL && sima->image == rj->image) {
-            if (first_area == NULL) {
-              first_area = area;
-            }
-            if (area == rj->area) {
-              matched_area = area;
-              break;
-            }
-          }
-        }
-      }
-    }
-  }
-
-  if (matched_area == NULL) {
-    matched_area = first_area;
-  }
-
-  if (matched_area) {
-    SpaceImage *sima = matched_area->spacedata.first;
-    RenderResult *main_rr = RE_AcquireResultRead(rj->re);
-
-    /* TODO(sergey): is there faster way to get the layer index? */
-    if (rr->renlay) {
-      int layer = BLI_findstringindex(
-          &main_rr->layers, (char *)rr->renlay->name, offsetof(RenderLayer, name));
-      sima->iuser.layer = layer;
-      rj->last_layer = layer;
-    }
-
-    iuser->pass = sima->iuser.pass;
-    iuser->layer = sima->iuser.layer;
-
-    RE_ReleaseResult(rj->re);
-  }
-}
-
-static void image_rect_update(void *rjv, RenderResult *rr, volatile rcti *renrect)
-{
-  RenderJob *rj = rjv;
-  Image *ima = rj->image;
-  ImBuf *ibuf;
-  void *lock;
-  const char *viewname = RE_GetActiveRenderView(rj->re);
-
-  /* only update if we are displaying the slot being rendered */
-  if (ima->render_slot != ima->last_render_slot) {
-    rj->image_outdated = true;
-    return;
-  }
-  if (rj->image_outdated) {
-    /* Free all render buffer caches when switching slots, with lock to ensure main
-     * thread is not drawing the buffer at the same time. */
-    rj->image_outdated = false;
-    ibuf = BKE_image_acquire_ibuf(ima, &rj->iuser, &lock);
-    BKE_image_free_buffers(ima);
-    BKE_image_release_ibuf(ima, ibuf, lock);
-    *(rj->do_update) = true;
-    return;
-  }
-
-  if (rr == NULL) {
-    return;
-  }
-
-  /* update part of render */
-  render_image_update_pass_and_layer(rj, rr, &rj->iuser);
-  rcti tile_rect;
-  int offset_x;
-  int offset_y;
-  ibuf = BKE_image_acquire_ibuf(ima, &rj->iuser, &lock);
-  if (ibuf) {
-    if (!image_buffer_calc_tile_rect(rr, ibuf, renrect, &tile_rect, &offset_x, &offset_y)) {
-      BKE_image_release_ibuf(ima, ibuf, lock);
-      return;
-    }
-
-    /* Don't waste time on CPU side color management if
-     * image will be displayed using GLSL.
-     *
-     * Need to update rect if Save Buffers enabled because in
-     * this case GLSL doesn't have original float buffer to
-     * operate with.
-     */
-    if (!rj->supports_glsl_draw || ibuf->channels == 1 ||
-        ED_draw_imbuf_method(ibuf) != IMAGE_DRAW_METHOD_GLSL) {
-      image_buffer_rect_update(rj, rr, ibuf, &rj->iuser, &tile_rect, offset_x, offset_y, viewname);
-    }
-    BKE_image_update_gputexture_delayed(
-        ima, ibuf, offset_x, offset_y, BLI_rcti_size_x(&tile_rect), BLI_rcti_size_y(&tile_rect));
-
-    /* make jobs timer to send notifier */
-    *(rj->do_update) = true;
-  }
-  BKE_image_release_ibuf(ima, ibuf, lock);
-}
-
-static void current_scene_update(void *rjv, Scene *scene)
-{
-  RenderJob *rj = rjv;
-  rj->current_scene = scene;
-  rj->iuser.scene = scene;
-}
-
-static void render_startjob(void *rjv, short *stop, short *do_update, float *progress)
-{
-  RenderJob *rj = rjv;
-
-  rj->stop = stop;
-  rj->do_update = do_update;
-  rj->progress = progress;
-
-  RE_SetReports(rj->re, rj->reports);
-
-  if (rj->anim) {
-    RE_RenderAnim(rj->re,
-                  rj->main,
-                  rj->scene,
-                  rj->single_layer,
-                  rj->camera_override,
-                  rj->scene->r.sfra,
-                  rj->scene->r.efra,
-                  rj->scene->r.frame_step);
-  }
-  else {
-    RE_RenderFrame(rj->re,
-                   rj->main,
-                   rj->scene,
-                   rj->single_layer,
-                   rj->camera_override,
-                   rj->scene->r.cfra,
-                   rj->write_still);
-  }
-
-  RE_SetReports(rj->re, NULL);
-}
-
-static void render_image_restore_layer(RenderJob *rj)
-{
-  wmWindowManager *wm;
-
-  /* image window, compo node users */
-  for (wm = rj->main->wm.first; wm; wm = wm->id.next) { /* only 1 wm */
-    wmWindow *win;
-    for (win = wm->windows.first; win; win = win->next) {
-      const bScreen *screen = WM_window_get_active_screen(win);
-
-      LISTBASE_FOREACH (ScrArea *, area, &screen->areabase) {
-        if (area == rj->area) {
-          if (area->spacetype == SPACE_IMAGE) {
-            SpaceImage *sima = area->spacedata.first;
-
-            if (RE_HasSingleLayer(rj->re)) {
-              /* For single layer renders keep the active layer
-               * visible, or show the compositing result. */
-              RenderResult *rr = RE_AcquireResultRead(rj->re);
-              if (RE_HasCombinedLayer(rr)) {
-                sima->iuser.layer = 0;
-              }
-              RE_ReleaseResult(rj->re);
-            }
-            else {
-              /* For multiple layer render, set back the layer
-               * that was set at the start of rendering. */
-              sima->iuser.layer = rj->orig_layer;
-            }
-          }
-          return;
-        }
-      }
-    }
-  }
-}
-
-static void render_endjob(void *rjv)
-{
-  RenderJob *rj = rjv;
-
-  /* this render may be used again by the sequencer without the active
-   * 'Render' where the callbacks would be re-assigned. assign dummy callbacks
-   * to avoid referencing freed renderjobs bug T24508. */
-  RE_InitRenderCB(rj->re);
-
-  if (rj->main != G_MAIN) {
-    BKE_main_free(rj->main);
-  }
-
-  /* else the frame will not update for the original value */
-  if (rj->anim && !(rj->scene->r.scemode & R_NO_FRAME_UPDATE)) {
-    /* possible this fails of loading new file while rendering */
-    if (G_MAIN->wm.first) {
-      ED_update_for_newframe(G_MAIN, rj->depsgraph);
-    }
-  }
-
-  /* XXX above function sets all tags in nodes */
-  ntreeCompositClearTags(rj->scene->nodetree);
-
-  /* potentially set by caller */
-  rj->scene->r.scemode &= ~R_NO_FRAME_UPDATE;
-
-  if (rj->single_layer) {
-    BKE_ntree_update_tag_id_changed(rj->main, &rj->scene->id);
-    BKE_ntree_update_main(rj->main, NULL);
-    WM_main_add_notifier(NC_NODE | NA_EDITED, rj->scene);
-  }
-
-  if (rj->area) {
-    render_image_restore_layer(rj);
-  }
-
-  /* XXX render stability hack */
-  G.is_rendering = false;
-  WM_main_add_notifier(NC_SCENE | ND_RENDER_RESULT, NULL);
-
-  /* Partial render result will always update display buffer
-   * for first render layer only. This is nice because you'll
-   * see render progress during rendering, but it ends up in
-   * wrong display buffer shown after rendering.
-   *
-   * The code below will mark display buffer as invalid after
-   * rendering in case multiple layers were rendered, which
-   * ensures display buffer matches render layer after
-   * rendering.
-   *
-   * Perhaps proper way would be to toggle active render
-   * layer in image editor and job, so we always display
-   * layer being currently rendered. But this is not so much
-   * trivial at this moment, especially because of external
-   * engine API, so lets use simple and robust way for now
-   *                                          - sergey -
-   */
-  if (rj->scene->view_layers.first != rj->scene->view_layers.last || rj->image_outdated) {
-    void *lock;
-    Image *ima = rj->image;
-    ImBuf *ibuf = BKE_image_acquire_ibuf(ima, &rj->iuser, &lock);
-
-    if (ibuf) {
-      ibuf->userflags |= IB_DISPLAY_BUFFER_INVALID;
-    }
-
-    BKE_image_release_ibuf(ima, ibuf, lock);
-  }
-
-  /* Finally unlock the user interface (if it was locked). */
-  if (rj->interface_locked) {
-    /* Interface was locked, so window manager couldn't have been changed
-     * and using one from Global will unlock exactly the same manager as
-     * was locked before running the job.
-     */
-    WM_set_locked_interface(G_MAIN->wm.first, false);
-    DEG_tag_on_visible_update(G_MAIN, false);
-  }
-}
-
-/* called by render, check job 'stop' value or the global */
-static int render_breakjob(void *rjv)
-{
-  RenderJob *rj = rjv;
-
-  if (G.is_break) {
-    return 1;
-  }
-  if (rj->stop && *(rj->stop)) {
-    return 1;
-  }
-  return 0;
-}
-
-/**
- * For exec() when there is no render job
- * NOTE: this won't check for the escape key being pressed, but doing so isn't thread-safe.
- */
-static int render_break(void *UNUSED(rjv))
-{
-  if (G.is_break) {
-    return 1;
-  }
-  return 0;
-}
-
-/* runs in thread, no cursor setting here works. careful with notifiers too (malloc conflicts) */
-/* maybe need a way to get job send notifier? */
-static void render_drawlock(void *rjv, bool lock)
-{
-  RenderJob *rj = rjv;
-
-  /* If interface is locked, renderer callback shall do nothing. */
-  if (!rj->interface_locked) {
-    BKE_spacedata_draw_locks(lock);
-  }
-}
-
-/* catch esc */
-static int screen_render_modal(bContext *C, wmOperator *op, const wmEvent *event)
-{
-  Scene *scene = (Scene *)op->customdata;
-
-  /* no running blender, remove handler and pass through */
-  if (0 == WM_jobs_test(CTX_wm_manager(C), scene, WM_JOB_TYPE_RENDER)) {
-    return OPERATOR_FINISHED | OPERATOR_PASS_THROUGH;
-  }
-
-  /* running render */
-  switch (event->type) {
-    case EVT_ESCKEY:
-      return OPERATOR_RUNNING_MODAL;
-  }
-  return OPERATOR_PASS_THROUGH;
-}
-
-static void screen_render_cancel(bContext *C, wmOperator *op)
-{
-  wmWindowManager *wm = CTX_wm_manager(C);
-  Scene *scene = (Scene *)op->customdata;
-
-  /* kill on cancel, because job is using op->reports */
-  WM_jobs_kill_type(wm, scene, WM_JOB_TYPE_RENDER);
-}
-
-static void clean_viewport_memory_base(Base *base)
-{
-  if ((base->flag & BASE_VISIBLE_DEPSGRAPH) == 0) {
-    return;
-  }
-
-  Object *object = base->object;
-
-  if (object->id.tag & LIB_TAG_DOIT) {
-    return;
-  }
-
-  object->id.tag &= ~LIB_TAG_DOIT;
-  if (RE_allow_render_generic_object(object)) {
-    BKE_object_free_derived_caches(object);
-  }
-}
-
-static void clean_viewport_memory(Main *bmain, Scene *scene)
-{
-  Scene *sce_iter;
-  Base *base;
-
-  /* Tag all the available objects. */
-  BKE_main_id_tag_listbase(&bmain->objects, LIB_TAG_DOIT, true);
-
-  /* Go over all the visible objects. */
-  for (wmWindowManager *wm = bmain->wm.first; wm; wm = wm->id.next) {
-    LISTBASE_FOREACH (wmWindow *, win, &wm->windows) {
-      ViewLayer *view_layer = WM_window_get_active_view_layer(win);
-
-      for (base = view_layer->object_bases.first; base; base = base->next) {
-        clean_viewport_memory_base(base);
-      }
-    }
-  }
-
-  for (SETLOOPER_SET_ONLY(scene, sce_iter, base)) {
-    clean_viewport_memory_base(base);
-  }
-}
-
-/* using context, starts job */
-static int screen_render_invoke(bContext *C, wmOperator *op, const wmEvent *event)
-{
-  /* new render clears all callbacks */
-  Main *bmain = CTX_data_main(C);
-  Scene *scene = CTX_data_scene(C);
-  ViewLayer *active_layer = CTX_data_view_layer(C);
-  ViewLayer *single_layer = NULL;
-  RenderEngineType *re_type = RE_engines_find(scene->r.engine);
-  Render *re;
-  wmJob *wm_job;
-  RenderJob *rj;
-  Image *ima;
-  const bool is_animation = RNA_boolean_get(op->ptr, "animation");
-  const bool is_write_still = RNA_boolean_get(op->ptr, "write_still");
-  const bool use_viewport = RNA_boolean_get(op->ptr, "use_viewport");
-  View3D *v3d = use_viewport ? CTX_wm_view3d(C) : NULL;
-  struct Object *camera_override = v3d ? V3D_CAMERA_LOCAL(v3d) : NULL;
-  const char *name;
-  ScrArea *area;
-
-  /* Cannot do render if there is not this function. */
-  if (re_type->render == NULL) {
-    return OPERATOR_CANCELLED;
-  }
-
-  /* custom scene and single layer re-render */
-  screen_render_single_layer_set(op, bmain, active_layer, &scene, &single_layer);
-
-  /* only one render job at a time */
-  if (WM_jobs_test(CTX_wm_manager(C), scene, WM_JOB_TYPE_RENDER)) {
-    return OPERATOR_CANCELLED;
-  }
-
-  if (!RE_is_rendering_allowed(scene, single_layer, camera_override, op->reports)) {
-    return OPERATOR_CANCELLED;
-  }
-
-  if (!is_animation && is_write_still && BKE_imtype_is_movie(scene->r.im_format.imtype)) {
-    BKE_report(
-        op->reports, RPT_ERROR, "Cannot write a single file with an animation format selected");
-    return OPERATOR_CANCELLED;
-  }
-
-  /* Reports are done inside check function, and it will return false if there are other strips to
-   * render. */
-  if ((scene->r.scemode & R_DOSEQ) && SEQ_relations_check_scene_recursion(scene, op->reports)) {
-    return OPERATOR_CANCELLED;
-  }
-
-  /* stop all running jobs, except screen one. currently previews frustrate Render */
-  WM_jobs_kill_all_except(CTX_wm_manager(C), CTX_wm_screen(C));
-
-  /* cancel animation playback */
-  if (ED_screen_animation_playing(CTX_wm_manager(C))) {
-    ED_screen_animation_play(C, 0, 0);
-  }
-
-  /* handle UI stuff */
-  WM_cursor_wait(true);
-
-  /* flush sculpt and editmode changes */
-  ED_editors_flush_edits_ex(bmain, true, false);
-
-  /* cleanup sequencer caches before starting user triggered render.
-   * otherwise, invalidated cache entries can make their way into
-   * the output rendering. We can't put that into RE_RenderFrame,
-   * since sequence rendering can call that recursively... (peter) */
-  SEQ_cache_cleanup(scene);
-
-  /* store spare
-   * get view3d layer, local layer, make this nice api call to render
-   * store spare */
-
-  /* ensure at least 1 area shows result */
-  area = render_view_open(C, event->xy[0], event->xy[1], op->reports);
-
-  /* job custom data */
-  rj = MEM_callocN(sizeof(RenderJob), "render job");
-  rj->main = bmain;
-  rj->scene = scene;
-  rj->current_scene = rj->scene;
-  rj->single_layer = single_layer;
-  /* TODO(sergey): Render engine should be using own depsgraph.
-   *
-   * NOTE: Currently is only used by ED_update_for_newframe() at the end of the render, so no
-   * need to ensure evaluation here. */
-  rj->depsgraph = CTX_data_depsgraph_pointer(C);
-  rj->camera_override = camera_override;
-  rj->anim = is_animation;
-  rj->write_still = is_write_still && !is_animation;
-  rj->iuser.scene = scene;
-  rj->reports = op->reports;
-  rj->orig_layer = 0;
-  rj->last_layer = 0;
-  rj->area = area;
-  rj->supports_glsl_draw = IMB_colormanagement_support_glsl_draw(&scene->view_settings);
-
-  BKE_color_managed_display_settings_copy(&rj->display_settings, &scene->display_settings);
-  BKE_color_managed_view_settings_copy(&rj->view_settings, &scene->view_settings);
-
-  if (area) {
-    SpaceImage *sima = area->spacedata.first;
-    rj->orig_layer = sima->iuser.layer;
-  }
-
-  if (v3d) {
-    if (camera_override && camera_override != scene->camera) {
-      rj->v3d_override = true;
-    }
-  }
-
-  /* Lock the user interface depending on render settings. */
-  if (scene->r.use_lock_interface) {
-    WM_set_locked_interface(CTX_wm_manager(C), true);
-
-    /* Set flag interface need to be unlocked.
-     *
-     * This is so because we don't have copy of render settings
-     * accessible from render job and copy is needed in case
-     * of non-locked rendering, so we wouldn't try to unlock
-     * anything if option was initially unset but then was
-     * enabled during rendering.
-     */
-    rj->interface_locked = true;
-
-    /* Clean memory used by viewport? */
-    clean_viewport_memory(rj->main, scene);
-  }
-
-  /* setup job */
-  if (RE_seq_render_active(scene, &scene->r)) {
-    name = "Sequence Render";
-  }
-  else {
-    name = "Render";
-  }
-
-  wm_job = WM_jobs_get(CTX_wm_manager(C),
-                       CTX_wm_window(C),
-                       scene,
-                       name,
-                       WM_JOB_EXCL_RENDER | WM_JOB_PRIORITY | WM_JOB_PROGRESS,
-                       WM_JOB_TYPE_RENDER);
-  WM_jobs_customdata_set(wm_job, rj, render_freejob);
-  WM_jobs_timer(wm_job, 0.2, NC_SCENE | ND_RENDER_RESULT, 0);
-  WM_jobs_callbacks(wm_job, render_startjob, NULL, NULL, render_endjob);
-
-  if (RNA_struct_property_is_set(op->ptr, "layer")) {
-    WM_jobs_delay_start(wm_job, 0.2);
-  }
-
-  /* get a render result image, and make sure it is empty */
-  ima = BKE_image_ensure_viewer(bmain, IMA_TYPE_R_RESULT, "Render Result");
-  BKE_image_signal(rj->main, ima, NULL, IMA_SIGNAL_FREE);
-  BKE_image_backup_render(rj->scene, ima, true);
-  rj->image = ima;
-
-  /* setup new render */
-  re = RE_NewSceneRender(scene);
-  RE_test_break_cb(re, rj, render_breakjob);
-  RE_draw_lock_cb(re, rj, render_drawlock);
-  RE_display_update_cb(re, rj, image_rect_update);
-  RE_current_scene_update_cb(re, rj, current_scene_update);
-  RE_stats_draw_cb(re, rj, image_renderinfo_cb);
-  RE_progress_cb(re, rj, render_progress_update);
-  RE_gl_context_create(re);
-
-  rj->re = re;
-  G.is_break = false;
-
-  /* store actual owner of job, so modal operator could check for it,
-   * the reason of this is that active scene could change when rendering
-   * several layers from compositor T31800. */
-  op->customdata = scene;
-
-  WM_jobs_start(CTX_wm_manager(C), wm_job);
-
-  WM_cursor_wait(false);
-  WM_event_add_notifier(C, NC_SCENE | ND_RENDER_RESULT, scene);
-
-  /* we set G.is_rendering here already instead of only in the job, this ensure
-   * main loop or other scene updates are disabled in time, since they may
-   * have started before the job thread */
-  G.is_rendering = true;
-
-  /* add modal handler for ESC */
-  WM_event_add_modal_handler(C, op);
-
-  return OPERATOR_RUNNING_MODAL;
-}
-
-void RENDER_OT_render(wmOperatorType *ot)
-{
-  PropertyRNA *prop;
-
-  /* identifiers */
-  ot->name = "Render";
-  ot->description = "Render active scene";
-  ot->idname = "RENDER_OT_render";
-
-  /* api callbacks */
-  ot->invoke = screen_render_invoke;
-  ot->modal = screen_render_modal;
-  ot->cancel = screen_render_cancel;
-  ot->exec = screen_render_exec;
-
-  /* This isn't needed, causes failure in background mode. */
-#if 0
-  ot->poll = ED_operator_screenactive;
-#endif
-
-  prop = RNA_def_boolean(ot->srna,
-                         "animation",
-                         0,
-                         "Animation",
-                         "Render files from the animation range of this scene");
-  RNA_def_property_flag(prop, PROP_SKIP_SAVE);
-  RNA_def_boolean(
-      ot->srna,
-      "write_still",
-      0,
-      "Write Image",
-      "Save rendered the image to the output path (used only when animation is disabled)");
-  prop = RNA_def_boolean(ot->srna,
-                         "use_viewport",
-                         0,
-                         "Use 3D Viewport",
-                         "When inside a 3D viewport, use layers and camera of the viewport");
-  RNA_def_property_flag(prop, PROP_SKIP_SAVE);
-  prop = RNA_def_string(ot->srna,
-                        "layer",
-                        NULL,
-                        RE_MAXNAME,
-                        "Render Layer",
-                        "Single render layer to re-render (used only when animation is disabled)");
-  RNA_def_property_flag(prop, PROP_SKIP_SAVE);
-  prop = RNA_def_string(ot->srna,
-                        "scene",
-                        NULL,
-                        MAX_ID_NAME - 2,
-                        "Scene",
-                        "Scene to render, current scene if not specified");
-  RNA_def_property_flag(prop, PROP_SKIP_SAVE);
-}
-
-Scene *ED_render_job_get_scene(const bContext *C)
-{
-  wmWindowManager *wm = CTX_wm_manager(C);
-  RenderJob *rj = (RenderJob *)WM_jobs_customdata_from_type(wm, WM_JOB_TYPE_RENDER);
-
-  if (rj) {
-    return rj->scene;
-  }
-
-  return NULL;
-}
-
-Scene *ED_render_job_get_current_scene(const bContext *C)
-{
-  wmWindowManager *wm = CTX_wm_manager(C);
-  RenderJob *rj = (RenderJob *)WM_jobs_customdata_from_type(wm, WM_JOB_TYPE_RENDER);
-  if (rj) {
-    return rj->current_scene;
-  }
-  return NULL;
-}
-
-/* Motion blur curve preset */
-
-static int render_shutter_curve_preset_exec(bContext *C, wmOperator *op)
-{
-  Scene *scene = CTX_data_scene(C);
-  CurveMapping *mblur_shutter_curve = &scene->r.mblur_shutter_curve;
-  CurveMap *cm = mblur_shutter_curve->cm;
-  int preset = RNA_enum_get(op->ptr, "shape");
-
-  mblur_shutter_curve->flag &= ~CUMA_EXTEND_EXTRAPOLATE;
-  mblur_shutter_curve->preset = preset;
-  BKE_curvemap_reset(
-      cm, &mblur_shutter_curve->clipr, mblur_shutter_curve->preset, CURVEMAP_SLOPE_POS_NEG);
-  BKE_curvemapping_changed(mblur_shutter_curve, false);
-
-  return OPERATOR_FINISHED;
-}
-
-void RENDER_OT_shutter_curve_preset(wmOperatorType *ot)
-{
-  PropertyRNA *prop;
-  static const EnumPropertyItem prop_shape_items[] = {
-      {CURVE_PRESET_SHARP, "SHARP", 0, "Sharp", ""},
-      {CURVE_PRESET_SMOOTH, "SMOOTH", 0, "Smooth", ""},
-      {CURVE_PRESET_MAX, "MAX", 0, "Max", ""},
-      {CURVE_PRESET_LINE, "LINE", 0, "Line", ""},
-      {CURVE_PRESET_ROUND, "ROUND", 0, "Round", ""},
-      {CURVE_PRESET_ROOT, "ROOT", 0, "Root", ""},
-      {0, NULL, 0, NULL, NULL},
-  };
-
-  ot->name = "Shutter Curve Preset";
-  ot->description = "Set shutter curve";
-  ot->idname = "RENDER_OT_shutter_curve_preset";
-
-  ot->exec = render_shutter_curve_preset_exec;
-
-  prop = RNA_def_enum(ot->srna, "shape", prop_shape_items, CURVE_PRESET_SMOOTH, "Mode", "");
-  RNA_def_property_translation_context(prop, BLT_I18NCONTEXT_ID_CURVE); /* Abusing id_curve :/ */
-}