diff options
Diffstat (limited to 'source/blender/render/intern/render_result.cc')
| -rw-r--r-- | source/blender/render/intern/render_result.cc | 1261 |
1 files changed, 1261 insertions, 0 deletions
diff --git a/source/blender/render/intern/render_result.cc b/source/blender/render/intern/render_result.cc new file mode 100644 index 00000000000..8b7a07e2b3f --- /dev/null +++ b/source/blender/render/intern/render_result.cc @@ -0,0 +1,1261 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later + * Copyright 2006 Blender Foundation. All rights reserved. */ + +/** \file + * \ingroup render + */ + +#include <cerrno> +#include <cstdio> +#include <cstdlib> +#include <cstring> + +#include "MEM_guardedalloc.h" + +#include "BLI_ghash.h" +#include "BLI_hash_md5.h" +#include "BLI_listbase.h" +#include "BLI_path_util.h" +#include "BLI_rect.h" +#include "BLI_string.h" +#include "BLI_string_utils.h" +#include "BLI_threads.h" +#include "BLI_utildefines.h" + +#include "BKE_appdir.h" +#include "BKE_camera.h" +#include "BKE_global.h" +#include "BKE_image.h" +#include "BKE_image_format.h" +#include "BKE_image_save.h" +#include "BKE_main.h" +#include "BKE_report.h" +#include "BKE_scene.h" + +#include "IMB_colormanagement.h" +#include "IMB_imbuf.h" +#include "IMB_imbuf_types.h" +#include "IMB_openexr.h" + +#include "RE_engine.h" + +#include "render_result.h" +#include "render_types.h" + +/********************************** Free *************************************/ + +static void render_result_views_free(RenderResult *rr) +{ + while (rr->views.first) { + RenderView *rv = static_cast<RenderView *>(rr->views.first); + BLI_remlink(&rr->views, rv); + + if (rv->rect32) { + MEM_freeN(rv->rect32); + } + + if (rv->rectz) { + MEM_freeN(rv->rectz); + } + + if (rv->rectf) { + MEM_freeN(rv->rectf); + } + + MEM_freeN(rv); + } + + rr->have_combined = false; +} + +void render_result_free(RenderResult *rr) +{ + if (rr == nullptr) { + return; + } + + while (rr->layers.first) { + RenderLayer *rl = static_cast<RenderLayer *>(rr->layers.first); + + while (rl->passes.first) { + RenderPass *rpass = static_cast<RenderPass *>(rl->passes.first); + if (rpass->rect) { + MEM_freeN(rpass->rect); + } + BLI_remlink(&rl->passes, rpass); + MEM_freeN(rpass); + } + BLI_remlink(&rr->layers, rl); + MEM_freeN(rl); + } + + render_result_views_free(rr); + + if (rr->rect32) { + MEM_freeN(rr->rect32); + } + if (rr->rectz) { + MEM_freeN(rr->rectz); + } + if (rr->rectf) { + MEM_freeN(rr->rectf); + } + if (rr->text) { + MEM_freeN(rr->text); + } + if (rr->error) { + MEM_freeN(rr->error); + } + + BKE_stamp_data_free(rr->stamp_data); + + MEM_freeN(rr); +} + +void render_result_free_list(ListBase *lb, RenderResult *rr) +{ + RenderResult *rrnext; + + for (; rr; rr = rrnext) { + rrnext = rr->next; + + if (lb && lb->first) { + BLI_remlink(lb, rr); + } + + render_result_free(rr); + } +} + +/********************************* multiview *************************************/ + +void render_result_views_shallowcopy(RenderResult *dst, RenderResult *src) +{ + if (dst == nullptr || src == nullptr) { + return; + } + + LISTBASE_FOREACH (RenderView *, rview, &src->views) { + RenderView *rv; + + rv = MEM_cnew<RenderView>("new render view"); + BLI_addtail(&dst->views, rv); + + BLI_strncpy(rv->name, rview->name, sizeof(rv->name)); + rv->rectf = rview->rectf; + rv->rectz = rview->rectz; + rv->rect32 = rview->rect32; + } +} + +void render_result_views_shallowdelete(RenderResult *rr) +{ + if (rr == nullptr) { + return; + } + + while (rr->views.first) { + RenderView *rv = static_cast<RenderView *>(rr->views.first); + BLI_remlink(&rr->views, rv); + MEM_freeN(rv); + } +} + +/********************************** New **************************************/ + +static void render_layer_allocate_pass(RenderResult *rr, RenderPass *rp) +{ + if (rp->rect != nullptr) { + return; + } + + const size_t rectsize = ((size_t)rr->rectx) * rr->recty * rp->channels; + rp->rect = MEM_cnew_array<float>(rectsize, rp->name); + + if (STREQ(rp->name, RE_PASSNAME_VECTOR)) { + /* initialize to max speed */ + float *rect = rp->rect; + for (int x = rectsize - 1; x >= 0; x--) { + rect[x] = PASS_VECTOR_MAX; + } + } + else if (STREQ(rp->name, RE_PASSNAME_Z)) { + float *rect = rp->rect; + for (int x = rectsize - 1; x >= 0; x--) { + rect[x] = 10e10; + } + } +} + +RenderPass *render_layer_add_pass(RenderResult *rr, + RenderLayer *rl, + int channels, + const char *name, + const char *viewname, + const char *chan_id, + const bool allocate) +{ + const int view_id = BLI_findstringindex(&rr->views, viewname, offsetof(RenderView, name)); + RenderPass *rpass = MEM_cnew<RenderPass>(name); + + rpass->channels = channels; + rpass->rectx = rl->rectx; + rpass->recty = rl->recty; + rpass->view_id = view_id; + + BLI_strncpy(rpass->name, name, sizeof(rpass->name)); + BLI_strncpy(rpass->chan_id, chan_id, sizeof(rpass->chan_id)); + BLI_strncpy(rpass->view, viewname, sizeof(rpass->view)); + RE_render_result_full_channel_name( + rpass->fullname, nullptr, rpass->name, rpass->view, rpass->chan_id, -1); + + if (rl->exrhandle) { + int a; + for (a = 0; a < channels; a++) { + char passname[EXR_PASS_MAXNAME]; + RE_render_result_full_channel_name( + passname, nullptr, rpass->name, nullptr, rpass->chan_id, a); + IMB_exr_add_channel(rl->exrhandle, rl->name, passname, viewname, 0, 0, nullptr, false); + } + } + + BLI_addtail(&rl->passes, rpass); + + if (allocate) { + render_layer_allocate_pass(rr, rpass); + } + else { + /* The result contains non-allocated pass now, so tag it as such. */ + rr->passes_allocated = false; + } + + return rpass; +} + +RenderResult *render_result_new(Render *re, + rcti *partrct, + const char *layername, + const char *viewname) +{ + RenderResult *rr; + RenderLayer *rl; + int rectx, recty; + + rectx = BLI_rcti_size_x(partrct); + recty = BLI_rcti_size_y(partrct); + + if (rectx <= 0 || recty <= 0) { + return nullptr; + } + + rr = MEM_cnew<RenderResult>("new render result"); + rr->rectx = rectx; + rr->recty = recty; + rr->renrect.xmin = 0; + rr->renrect.xmax = rectx; + + /* tilerect is relative coordinates within render disprect. do not subtract crop yet */ + rr->tilerect.xmin = partrct->xmin - re->disprect.xmin; + rr->tilerect.xmax = partrct->xmax - re->disprect.xmin; + rr->tilerect.ymin = partrct->ymin - re->disprect.ymin; + rr->tilerect.ymax = partrct->ymax - re->disprect.ymin; + + rr->passes_allocated = false; + + render_result_views_new(rr, &re->r); + + /* check renderdata for amount of layers */ + FOREACH_VIEW_LAYER_TO_RENDER_BEGIN (re, view_layer) { + if (layername && layername[0]) { + if (!STREQ(view_layer->name, layername)) { + continue; + } + } + + rl = MEM_cnew<RenderLayer>("new render layer"); + BLI_addtail(&rr->layers, rl); + + BLI_strncpy(rl->name, view_layer->name, sizeof(rl->name)); + rl->layflag = view_layer->layflag; + + rl->passflag = view_layer->passflag; + + rl->rectx = rectx; + rl->recty = recty; + + LISTBASE_FOREACH (RenderView *, rv, &rr->views) { + const char *view = rv->name; + + if (viewname && viewname[0]) { + if (!STREQ(view, viewname)) { + continue; + } + } + +#define RENDER_LAYER_ADD_PASS_SAFE(rr, rl, channels, name, viewname, chan_id) \ + do { \ + if (render_layer_add_pass(rr, rl, channels, name, viewname, chan_id, false) == nullptr) { \ + render_result_free(rr); \ + return nullptr; \ + } \ + } while (false) + + /* A render-layer should always have a "Combined" pass. */ + render_layer_add_pass(rr, rl, 4, "Combined", view, "RGBA", false); + + if (view_layer->passflag & SCE_PASS_Z) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 1, RE_PASSNAME_Z, view, "Z"); + } + if (view_layer->passflag & SCE_PASS_VECTOR) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 4, RE_PASSNAME_VECTOR, view, "XYZW"); + } + if (view_layer->passflag & SCE_PASS_NORMAL) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_NORMAL, view, "XYZ"); + } + if (view_layer->passflag & SCE_PASS_POSITION) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_POSITION, view, "XYZ"); + } + if (view_layer->passflag & SCE_PASS_UV) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_UV, view, "UVA"); + } + if (view_layer->passflag & SCE_PASS_EMIT) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_EMIT, view, "RGB"); + } + if (view_layer->passflag & SCE_PASS_AO) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_AO, view, "RGB"); + } + if (view_layer->passflag & SCE_PASS_ENVIRONMENT) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_ENVIRONMENT, view, "RGB"); + } + if (view_layer->passflag & SCE_PASS_SHADOW) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_SHADOW, view, "RGB"); + } + if (view_layer->passflag & SCE_PASS_INDEXOB) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 1, RE_PASSNAME_INDEXOB, view, "X"); + } + if (view_layer->passflag & SCE_PASS_INDEXMA) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 1, RE_PASSNAME_INDEXMA, view, "X"); + } + if (view_layer->passflag & SCE_PASS_MIST) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 1, RE_PASSNAME_MIST, view, "Z"); + } + if (view_layer->passflag & SCE_PASS_DIFFUSE_DIRECT) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_DIFFUSE_DIRECT, view, "RGB"); + } + if (view_layer->passflag & SCE_PASS_DIFFUSE_INDIRECT) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_DIFFUSE_INDIRECT, view, "RGB"); + } + if (view_layer->passflag & SCE_PASS_DIFFUSE_COLOR) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_DIFFUSE_COLOR, view, "RGB"); + } + if (view_layer->passflag & SCE_PASS_GLOSSY_DIRECT) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_GLOSSY_DIRECT, view, "RGB"); + } + if (view_layer->passflag & SCE_PASS_GLOSSY_INDIRECT) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_GLOSSY_INDIRECT, view, "RGB"); + } + if (view_layer->passflag & SCE_PASS_GLOSSY_COLOR) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_GLOSSY_COLOR, view, "RGB"); + } + if (view_layer->passflag & SCE_PASS_TRANSM_DIRECT) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_TRANSM_DIRECT, view, "RGB"); + } + if (view_layer->passflag & SCE_PASS_TRANSM_INDIRECT) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_TRANSM_INDIRECT, view, "RGB"); + } + if (view_layer->passflag & SCE_PASS_TRANSM_COLOR) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_TRANSM_COLOR, view, "RGB"); + } + if (view_layer->passflag & SCE_PASS_SUBSURFACE_DIRECT) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_SUBSURFACE_DIRECT, view, "RGB"); + } + if (view_layer->passflag & SCE_PASS_SUBSURFACE_INDIRECT) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_SUBSURFACE_INDIRECT, view, "RGB"); + } + if (view_layer->passflag & SCE_PASS_SUBSURFACE_COLOR) { + RENDER_LAYER_ADD_PASS_SAFE(rr, rl, 3, RE_PASSNAME_SUBSURFACE_COLOR, view, "RGB"); + } +#undef RENDER_LAYER_ADD_PASS_SAFE + } + } + FOREACH_VIEW_LAYER_TO_RENDER_END; + + /* Preview-render doesn't do layers, so we make a default one. */ + if (BLI_listbase_is_empty(&rr->layers) && !(layername && layername[0])) { + rl = MEM_cnew<RenderLayer>("new render layer"); + BLI_addtail(&rr->layers, rl); + + rl->rectx = rectx; + rl->recty = recty; + + LISTBASE_FOREACH (RenderView *, rv, &rr->views) { + const char *view = rv->name; + + if (viewname && viewname[0]) { + if (!STREQ(view, viewname)) { + continue; + } + } + + /* A render-layer should always have a "Combined" pass. */ + render_layer_add_pass(rr, rl, 4, RE_PASSNAME_COMBINED, view, "RGBA", false); + } + + /* NOTE: this has to be in sync with `scene.cc`. */ + rl->layflag = SCE_LAY_FLAG_DEFAULT; + rl->passflag = SCE_PASS_COMBINED; + + re->active_view_layer = 0; + } + + /* Border render; calculate offset for use in compositor. compo is centralized coords. */ + /* XXX(ton): obsolete? I now use it for drawing border render offset. */ + rr->xof = re->disprect.xmin + BLI_rcti_cent_x(&re->disprect) - (re->winx / 2); + rr->yof = re->disprect.ymin + BLI_rcti_cent_y(&re->disprect) - (re->winy / 2); + + /* Preview does not support deferred render result allocation. */ + if (re->r.scemode & R_BUTS_PREVIEW) { + render_result_passes_allocated_ensure(rr); + } + + return rr; +} + +void render_result_passes_allocated_ensure(RenderResult *rr) +{ + if (rr == nullptr) { + /* Happens when the result was not yet allocated for the current scene or slot configuration. + */ + return; + } + + LISTBASE_FOREACH (RenderLayer *, rl, &rr->layers) { + LISTBASE_FOREACH (RenderPass *, rp, &rl->passes) { + if (rl->exrhandle != nullptr && !STREQ(rp->name, RE_PASSNAME_COMBINED)) { + continue; + } + + render_layer_allocate_pass(rr, rp); + } + } + + rr->passes_allocated = true; +} + +void render_result_clone_passes(Render *re, RenderResult *rr, const char *viewname) +{ + LISTBASE_FOREACH (RenderLayer *, rl, &rr->layers) { + RenderLayer *main_rl = RE_GetRenderLayer(re->result, rl->name); + if (!main_rl) { + continue; + } + + LISTBASE_FOREACH (RenderPass *, main_rp, &main_rl->passes) { + if (viewname && viewname[0] && !STREQ(main_rp->view, viewname)) { + continue; + } + + /* Compare fullname to make sure that the view also is equal. */ + RenderPass *rp = static_cast<RenderPass *>( + BLI_findstring(&rl->passes, main_rp->fullname, offsetof(RenderPass, fullname))); + if (!rp) { + render_layer_add_pass( + rr, rl, main_rp->channels, main_rp->name, main_rp->view, main_rp->chan_id, false); + } + } + } +} + +void RE_create_render_pass(RenderResult *rr, + const char *name, + int channels, + const char *chan_id, + const char *layername, + const char *viewname, + const bool allocate) +{ + LISTBASE_FOREACH (RenderLayer *, rl, &rr->layers) { + if (layername && layername[0] && !STREQ(rl->name, layername)) { + continue; + } + + LISTBASE_FOREACH (RenderView *, rv, &rr->views) { + const char *view = rv->name; + + if (viewname && viewname[0] && !STREQ(view, viewname)) { + continue; + } + + /* Ensure that the pass doesn't exist yet. */ + bool pass_exists = false; + LISTBASE_FOREACH (RenderPass *, rp, &rl->passes) { + if (STREQ(rp->name, name) && STREQ(rp->view, view)) { + pass_exists = true; + break; + } + } + + if (!pass_exists) { + render_layer_add_pass(rr, rl, channels, name, view, chan_id, allocate); + } + } + } +} + +void RE_render_result_full_channel_name(char *fullname, + const char *layname, + const char *passname, + const char *viewname, + const char *chan_id, + const int channel) +{ + /* OpenEXR compatible full channel name. */ + const char *strings[4]; + int strings_len = 0; + + if (layname && layname[0]) { + strings[strings_len++] = layname; + } + if (passname && passname[0]) { + strings[strings_len++] = passname; + } + if (viewname && viewname[0]) { + strings[strings_len++] = viewname; + } + + char token[2]; + if (channel >= 0) { + ARRAY_SET_ITEMS(token, chan_id[channel], '\0'); + strings[strings_len++] = token; + } + + BLI_string_join_array_by_sep_char(fullname, EXR_PASS_MAXNAME, '.', strings, strings_len); +} + +static int passtype_from_name(const char *name) +{ + const char delim[] = {'.', '\0'}; + const char *sep, *suf; + int len = BLI_str_partition(name, delim, &sep, &suf); + +#define CHECK_PASS(NAME) \ + if (STREQLEN(name, RE_PASSNAME_##NAME, len)) { \ + return SCE_PASS_##NAME; \ + } \ + ((void)0) + + CHECK_PASS(COMBINED); + CHECK_PASS(Z); + CHECK_PASS(VECTOR); + CHECK_PASS(NORMAL); + CHECK_PASS(UV); + CHECK_PASS(EMIT); + CHECK_PASS(SHADOW); + CHECK_PASS(AO); + CHECK_PASS(ENVIRONMENT); + CHECK_PASS(INDEXOB); + CHECK_PASS(INDEXMA); + CHECK_PASS(MIST); + CHECK_PASS(DIFFUSE_DIRECT); + CHECK_PASS(DIFFUSE_INDIRECT); + CHECK_PASS(DIFFUSE_COLOR); + CHECK_PASS(GLOSSY_DIRECT); + CHECK_PASS(GLOSSY_INDIRECT); + CHECK_PASS(GLOSSY_COLOR); + CHECK_PASS(TRANSM_DIRECT); + CHECK_PASS(TRANSM_INDIRECT); + CHECK_PASS(TRANSM_COLOR); + CHECK_PASS(SUBSURFACE_DIRECT); + CHECK_PASS(SUBSURFACE_INDIRECT); + CHECK_PASS(SUBSURFACE_COLOR); + +#undef CHECK_PASS + return 0; +} + +/* callbacks for render_result_new_from_exr */ +static void *ml_addlayer_cb(void *base, const char *str) +{ + RenderResult *rr = static_cast<RenderResult *>(base); + + RenderLayer *rl = MEM_cnew<RenderLayer>("new render layer"); + BLI_addtail(&rr->layers, rl); + + BLI_strncpy(rl->name, str, EXR_LAY_MAXNAME); + return rl; +} + +static void ml_addpass_cb(void *base, + void *lay, + const char *name, + float *rect, + int totchan, + const char *chan_id, + const char *view) +{ + RenderResult *rr = static_cast<RenderResult *>(base); + RenderLayer *rl = static_cast<RenderLayer *>(lay); + RenderPass *rpass = MEM_cnew<RenderPass>("loaded pass"); + + BLI_addtail(&rl->passes, rpass); + rpass->channels = totchan; + rl->passflag |= passtype_from_name(name); + + /* channel id chars */ + BLI_strncpy(rpass->chan_id, chan_id, sizeof(rpass->chan_id)); + + rpass->rect = rect; + BLI_strncpy(rpass->name, name, EXR_PASS_MAXNAME); + BLI_strncpy(rpass->view, view, sizeof(rpass->view)); + RE_render_result_full_channel_name(rpass->fullname, nullptr, name, view, rpass->chan_id, -1); + + if (view[0] != '\0') { + rpass->view_id = BLI_findstringindex(&rr->views, view, offsetof(RenderView, name)); + } + else { + rpass->view_id = 0; + } +} + +static void *ml_addview_cb(void *base, const char *str) +{ + RenderResult *rr = static_cast<RenderResult *>(base); + + RenderView *rv = MEM_cnew<RenderView>("new render view"); + BLI_strncpy(rv->name, str, EXR_VIEW_MAXNAME); + + /* For stereo drawing we need to ensure: + * STEREO_LEFT_NAME == STEREO_LEFT_ID and + * STEREO_RIGHT_NAME == STEREO_RIGHT_ID */ + + if (STREQ(str, STEREO_LEFT_NAME)) { + BLI_addhead(&rr->views, rv); + } + else if (STREQ(str, STEREO_RIGHT_NAME)) { + RenderView *left_rv = static_cast<RenderView *>( + BLI_findstring(&rr->views, STEREO_LEFT_NAME, offsetof(RenderView, name))); + + if (left_rv == nullptr) { + BLI_addhead(&rr->views, rv); + } + else { + BLI_insertlinkafter(&rr->views, left_rv, rv); + } + } + else { + BLI_addtail(&rr->views, rv); + } + + return rv; +} + +static int order_render_passes(const void *a, const void *b) +{ + /* 1 if `a` is after `b`. */ + RenderPass *rpa = (RenderPass *)a; + RenderPass *rpb = (RenderPass *)b; + unsigned int passtype_a = passtype_from_name(rpa->name); + unsigned int passtype_b = passtype_from_name(rpb->name); + + /* Render passes with default type always go first. */ + if (passtype_b && !passtype_a) { + return 1; + } + if (passtype_a && !passtype_b) { + return 0; + } + + if (passtype_a && passtype_b) { + if (passtype_a > passtype_b) { + return 1; + } + if (passtype_a < passtype_b) { + return 0; + } + } + else { + int cmp = strncmp(rpa->name, rpb->name, EXR_PASS_MAXNAME); + if (cmp > 0) { + return 1; + } + if (cmp < 0) { + return 0; + } + } + + /* they have the same type */ + /* left first */ + if (STREQ(rpa->view, STEREO_LEFT_NAME)) { + return 0; + } + if (STREQ(rpb->view, STEREO_LEFT_NAME)) { + return 1; + } + + /* right second */ + if (STREQ(rpa->view, STEREO_RIGHT_NAME)) { + return 0; + } + if (STREQ(rpb->view, STEREO_RIGHT_NAME)) { + return 1; + } + + /* remaining in ascending id order */ + return (rpa->view_id < rpb->view_id); +} + +RenderResult *render_result_new_from_exr( + void *exrhandle, const char *colorspace, bool predivide, int rectx, int recty) +{ + RenderResult *rr = MEM_cnew<RenderResult>(__func__); + const char *to_colorspace = IMB_colormanagement_role_colorspace_name_get( + COLOR_ROLE_SCENE_LINEAR); + + rr->rectx = rectx; + rr->recty = recty; + + IMB_exr_multilayer_convert(exrhandle, rr, ml_addview_cb, ml_addlayer_cb, ml_addpass_cb); + + LISTBASE_FOREACH (RenderLayer *, rl, &rr->layers) { + rl->rectx = rectx; + rl->recty = recty; + + BLI_listbase_sort(&rl->passes, order_render_passes); + + LISTBASE_FOREACH (RenderPass *, rpass, &rl->passes) { + rpass->rectx = rectx; + rpass->recty = recty; + + if (rpass->channels >= 3) { + IMB_colormanagement_transform(rpass->rect, + rpass->rectx, + rpass->recty, + rpass->channels, + colorspace, + to_colorspace, + predivide); + } + } + } + + return rr; +} + +void render_result_view_new(RenderResult *rr, const char *viewname) +{ + RenderView *rv = MEM_cnew<RenderView>("new render view"); + BLI_addtail(&rr->views, rv); + BLI_strncpy(rv->name, viewname, sizeof(rv->name)); +} + +void render_result_views_new(RenderResult *rr, const RenderData *rd) +{ + /* clear previously existing views - for sequencer */ + render_result_views_free(rr); + + /* check renderdata for amount of views */ + if (rd->scemode & R_MULTIVIEW) { + LISTBASE_FOREACH (SceneRenderView *, srv, &rd->views) { + if (BKE_scene_multiview_is_render_view_active(rd, srv) == false) { + continue; + } + render_result_view_new(rr, srv->name); + } + } + + /* we always need at least one view */ + if (BLI_listbase_count_at_most(&rr->views, 1) == 0) { + render_result_view_new(rr, ""); + } +} + +/*********************************** Merge ***********************************/ + +static void do_merge_tile( + RenderResult *rr, RenderResult *rrpart, float *target, float *tile, int pixsize) +{ + int y, tilex, tiley; + size_t ofs, copylen; + + copylen = tilex = rrpart->rectx; + tiley = rrpart->recty; + + ofs = (((size_t)rrpart->tilerect.ymin) * rr->rectx + rrpart->tilerect.xmin); + target += pixsize * ofs; + + copylen *= sizeof(float) * pixsize; + tilex *= pixsize; + ofs = pixsize * rr->rectx; + + for (y = 0; y < tiley; y++) { + memcpy(target, tile, copylen); + target += ofs; + tile += tilex; + } +} + +void render_result_merge(RenderResult *rr, RenderResult *rrpart) +{ + LISTBASE_FOREACH (RenderLayer *, rl, &rr->layers) { + RenderLayer *rlp = RE_GetRenderLayer(rrpart, rl->name); + + if (rlp) { + /* Passes are allocated in sync. */ + for (RenderPass *rpass = static_cast<RenderPass *>(rl->passes.first), + *rpassp = static_cast<RenderPass *>(rlp->passes.first); + rpass && rpassp; + rpass = rpass->next) { + /* For save buffers, skip any passes that are only saved to disk. */ + if (rpass->rect == nullptr || rpassp->rect == nullptr) { + continue; + } + /* Render-result have all passes, render-part only the active view's passes. */ + if (!STREQ(rpassp->fullname, rpass->fullname)) { + continue; + } + + do_merge_tile(rr, rrpart, rpass->rect, rpassp->rect, rpass->channels); + + /* manually get next render pass */ + rpassp = rpassp->next; + } + } + } +} + +/**************************** Single Layer Rendering *************************/ + +void render_result_single_layer_begin(Render *re) +{ + /* all layers except the active one get temporally pushed away */ + + /* officially pushed result should be nullptr... error can happen with do_seq */ + RE_FreeRenderResult(re->pushedresult); + + re->pushedresult = re->result; + re->result = nullptr; +} + +void render_result_single_layer_end(Render *re) +{ + if (re->result == nullptr) { + printf("pop render result error; no current result!\n"); + return; + } + + if (!re->pushedresult) { + return; + } + + if (re->pushedresult->rectx == re->result->rectx && + re->pushedresult->recty == re->result->recty) { + /* find which layer in re->pushedresult should be replaced */ + RenderLayer *rl = static_cast<RenderLayer *>(re->result->layers.first); + + /* render result should be empty after this */ + BLI_remlink(&re->result->layers, rl); + + /* reconstruct render result layers */ + int nr = 0; + LISTBASE_FOREACH (ViewLayer *, view_layer, &re->view_layers) { + if (nr == re->active_view_layer) { + BLI_addtail(&re->result->layers, rl); + } + else { + RenderLayer *rlpush = RE_GetRenderLayer(re->pushedresult, view_layer->name); + if (rlpush) { + BLI_remlink(&re->pushedresult->layers, rlpush); + BLI_addtail(&re->result->layers, rlpush); + } + } + nr++; + } + } + + RE_FreeRenderResult(re->pushedresult); + re->pushedresult = nullptr; +} + +int render_result_exr_file_read_path(RenderResult *rr, + RenderLayer *rl_single, + const char *filepath) +{ + void *exrhandle = IMB_exr_get_handle(); + int rectx, recty; + + if (!IMB_exr_begin_read(exrhandle, filepath, &rectx, &recty, false)) { + printf("failed being read %s\n", filepath); + IMB_exr_close(exrhandle); + return 0; + } + + if (rr == nullptr || rectx != rr->rectx || recty != rr->recty) { + if (rr) { + printf("error in reading render result: dimensions don't match\n"); + } + else { + printf("error in reading render result: nullptr result pointer\n"); + } + IMB_exr_close(exrhandle); + return 0; + } + + LISTBASE_FOREACH (RenderLayer *, rl, &rr->layers) { + if (rl_single && rl_single != rl) { + continue; + } + + /* passes are allocated in sync */ + LISTBASE_FOREACH (RenderPass *, rpass, &rl->passes) { + const int xstride = rpass->channels; + int a; + char fullname[EXR_PASS_MAXNAME]; + + for (a = 0; a < xstride; a++) { + RE_render_result_full_channel_name( + fullname, nullptr, rpass->name, rpass->view, rpass->chan_id, a); + IMB_exr_set_channel( + exrhandle, rl->name, fullname, xstride, xstride * rectx, rpass->rect + a); + } + + RE_render_result_full_channel_name( + rpass->fullname, nullptr, rpass->name, rpass->view, rpass->chan_id, -1); + } + } + + IMB_exr_read_channels(exrhandle); + IMB_exr_close(exrhandle); + + return 1; +} + +#define FILE_CACHE_MAX (FILE_MAXFILE + FILE_MAXFILE + MAX_ID_NAME + 100) + +static void render_result_exr_file_cache_path(Scene *sce, + const char *root, + char r_path[FILE_CACHE_MAX]) +{ + char filename_full[FILE_MAX + MAX_ID_NAME + 100], filename[FILE_MAXFILE], dirname[FILE_MAXDIR]; + char path_digest[16] = {0}; + char path_hexdigest[33]; + + /* If root is relative, use either current .blend file dir, or temp one if not saved. */ + const char *blendfile_path = BKE_main_blendfile_path_from_global(); + if (blendfile_path[0] != '\0') { + BLI_split_dirfile(blendfile_path, dirname, filename, sizeof(dirname), sizeof(filename)); + BLI_path_extension_replace(filename, sizeof(filename), ""); /* strip '.blend' */ + BLI_hash_md5_buffer(blendfile_path, strlen(blendfile_path), path_digest); + } + else { + BLI_strncpy(dirname, BKE_tempdir_base(), sizeof(dirname)); + BLI_strncpy(filename, "UNSAVED", sizeof(filename)); + } + BLI_hash_md5_to_hexdigest(path_digest, path_hexdigest); + + /* Default to *non-volatile* temp dir. */ + if (*root == '\0') { + root = BKE_tempdir_base(); + } + + BLI_snprintf(filename_full, + sizeof(filename_full), + "cached_RR_%s_%s_%s.exr", + filename, + sce->id.name + 2, + path_hexdigest); + + BLI_join_dirfile(r_path, FILE_CACHE_MAX, root, filename_full); + if (BLI_path_is_rel(r_path)) { + BLI_path_abs(r_path, dirname); + } +} + +void render_result_exr_file_cache_write(Render *re) +{ + RenderResult *rr = re->result; + char str[FILE_CACHE_MAX]; + char *root = U.render_cachedir; + + render_result_passes_allocated_ensure(rr); + + render_result_exr_file_cache_path(re->scene, root, str); + printf("Caching exr file, %dx%d, %s\n", rr->rectx, rr->recty, str); + + BKE_image_render_write_exr(nullptr, rr, str, nullptr, true, nullptr, -1); +} + +bool render_result_exr_file_cache_read(Render *re) +{ + /* File path to cache. */ + char filepath[FILE_CACHE_MAX] = ""; + char *root = U.render_cachedir; + render_result_exr_file_cache_path(re->scene, root, filepath); + + printf("read exr cache file: %s\n", filepath); + + /* Try opening the file. */ + void *exrhandle = IMB_exr_get_handle(); + int rectx, recty; + + if (!IMB_exr_begin_read(exrhandle, filepath, &rectx, &recty, true)) { + printf("cannot read: %s\n", filepath); + IMB_exr_close(exrhandle); + return false; + } + + /* Read file contents into render result. */ + const char *colorspace = IMB_colormanagement_role_colorspace_name_get(COLOR_ROLE_SCENE_LINEAR); + RE_FreeRenderResult(re->result); + + IMB_exr_read_channels(exrhandle); + re->result = render_result_new_from_exr(exrhandle, colorspace, false, rectx, recty); + + IMB_exr_close(exrhandle); + + return true; +} + +/*************************** Combined Pixel Rect *****************************/ + +ImBuf *RE_render_result_rect_to_ibuf(RenderResult *rr, + const ImageFormatData *imf, + const float dither, + const int view_id) +{ + ImBuf *ibuf = IMB_allocImBuf(rr->rectx, rr->recty, imf->planes, 0); + RenderView *rv = RE_RenderViewGetById(rr, view_id); + + /* if not exists, BKE_imbuf_write makes one */ + ibuf->rect = (unsigned int *)rv->rect32; + ibuf->rect_float = rv->rectf; + ibuf->zbuf_float = rv->rectz; + + /* float factor for random dither, imbuf takes care of it */ + ibuf->dither = dither; + + /* prepare to gamma correct to sRGB color space + * note that sequence editor can generate 8bpc render buffers + */ + if (ibuf->rect) { + if (BKE_imtype_valid_depths(imf->imtype) & + (R_IMF_CHAN_DEPTH_12 | R_IMF_CHAN_DEPTH_16 | R_IMF_CHAN_DEPTH_24 | R_IMF_CHAN_DEPTH_32)) { + if (imf->depth == R_IMF_CHAN_DEPTH_8) { + /* Higher depth bits are supported but not needed for current file output. */ + ibuf->rect_float = nullptr; + } + else { + IMB_float_from_rect(ibuf); + } + } + else { + /* ensure no float buffer remained from previous frame */ + ibuf->rect_float = nullptr; + } + } + + /* Color -> gray-scale. */ + /* editing directly would alter the render view */ + if (imf->planes == R_IMF_PLANES_BW) { + ImBuf *ibuf_bw = IMB_dupImBuf(ibuf); + IMB_color_to_bw(ibuf_bw); + IMB_freeImBuf(ibuf); + ibuf = ibuf_bw; + } + + return ibuf; +} + +void RE_render_result_rect_from_ibuf(RenderResult *rr, const ImBuf *ibuf, const int view_id) +{ + RenderView *rv = RE_RenderViewGetById(rr, view_id); + + if (ibuf->rect_float) { + rr->have_combined = true; + + if (!rv->rectf) { + rv->rectf = MEM_cnew_array<float>(4 * rr->rectx * rr->recty, "render_seq rectf"); + } + + memcpy(rv->rectf, ibuf->rect_float, sizeof(float[4]) * rr->rectx * rr->recty); + + /* TSK! Since sequence render doesn't free the *rr render result, the old rect32 + * can hang around when sequence render has rendered a 32 bits one before */ + MEM_SAFE_FREE(rv->rect32); + } + else if (ibuf->rect) { + rr->have_combined = true; + + if (!rv->rect32) { + rv->rect32 = MEM_cnew_array<int>(rr->rectx * rr->recty, "render_seq rect"); + } + + memcpy(rv->rect32, ibuf->rect, sizeof(int) * rr->rectx * rr->recty); + + /* Same things as above, old rectf can hang around from previous render. */ + MEM_SAFE_FREE(rv->rectf); + } +} + +void render_result_rect_fill_zero(RenderResult *rr, const int view_id) +{ + RenderView *rv = RE_RenderViewGetById(rr, view_id); + + if (rv->rectf) { + memset(rv->rectf, 0, sizeof(float[4]) * rr->rectx * rr->recty); + } + else if (rv->rect32) { + memset(rv->rect32, 0, 4 * rr->rectx * rr->recty); + } + else { + rv->rect32 = MEM_cnew_array<int>(rr->rectx * rr->recty, "render_seq rect"); + } +} + +void render_result_rect_get_pixels(RenderResult *rr, + unsigned int *rect, + int rectx, + int recty, + const ColorManagedViewSettings *view_settings, + const ColorManagedDisplaySettings *display_settings, + const int view_id) +{ + RenderView *rv = RE_RenderViewGetById(rr, view_id); + + if (rv && rv->rect32) { + memcpy(rect, rv->rect32, sizeof(int) * rr->rectx * rr->recty); + } + else if (rv && rv->rectf) { + IMB_display_buffer_transform_apply((unsigned char *)rect, + rv->rectf, + rr->rectx, + rr->recty, + 4, + view_settings, + display_settings, + true); + } + else { + /* else fill with black */ + memset(rect, 0, sizeof(int) * rectx * recty); + } +} + +/*************************** multiview functions *****************************/ + +bool RE_HasCombinedLayer(const RenderResult *result) +{ + if (result == nullptr) { + return false; + } + + const RenderView *rv = static_cast<RenderView *>(result->views.first); + if (rv == nullptr) { + return false; + } + + return (rv->rect32 || rv->rectf); +} + +bool RE_HasFloatPixels(const RenderResult *result) +{ + LISTBASE_FOREACH (const RenderView *, rview, &result->views) { + if (rview->rect32 && !rview->rectf) { + return false; + } + } + + return true; +} + +bool RE_RenderResult_is_stereo(const RenderResult *result) +{ + if (!BLI_findstring(&result->views, STEREO_LEFT_NAME, offsetof(RenderView, name))) { + return false; + } + + if (!BLI_findstring(&result->views, STEREO_RIGHT_NAME, offsetof(RenderView, name))) { + return false; + } + + return true; +} + +RenderView *RE_RenderViewGetById(RenderResult *rr, const int view_id) +{ + RenderView *rv = static_cast<RenderView *>(BLI_findlink(&rr->views, view_id)); + BLI_assert(rr->views.first); + return rv ? rv : static_cast<RenderView *>(rr->views.first); +} + +RenderView *RE_RenderViewGetByName(RenderResult *rr, const char *viewname) +{ + RenderView *rv = static_cast<RenderView *>( + BLI_findstring(&rr->views, viewname, offsetof(RenderView, name))); + BLI_assert(rr->views.first); + return rv ? rv : static_cast<RenderView *>(rr->views.first); +} + +static RenderPass *duplicate_render_pass(RenderPass *rpass) +{ + RenderPass *new_rpass = MEM_cnew("new render pass", *rpass); + new_rpass->next = new_rpass->prev = nullptr; + if (new_rpass->rect != nullptr) { + new_rpass->rect = static_cast<float *>(MEM_dupallocN(new_rpass->rect)); + } + return new_rpass; +} + +static RenderLayer *duplicate_render_layer(RenderLayer *rl) +{ + RenderLayer *new_rl = MEM_cnew("new render layer", *rl); + new_rl->next = new_rl->prev = nullptr; + new_rl->passes.first = new_rl->passes.last = nullptr; + new_rl->exrhandle = nullptr; + LISTBASE_FOREACH (RenderPass *, rpass, &rl->passes) { + RenderPass *new_rpass = duplicate_render_pass(rpass); + BLI_addtail(&new_rl->passes, new_rpass); + } + return new_rl; +} + +static RenderView *duplicate_render_view(RenderView *rview) +{ + RenderView *new_rview = MEM_cnew("new render view", *rview); + if (new_rview->rectf != nullptr) { + new_rview->rectf = static_cast<float *>(MEM_dupallocN(new_rview->rectf)); + } + if (new_rview->rectz != nullptr) { + new_rview->rectz = static_cast<float *>(MEM_dupallocN(new_rview->rectz)); + } + if (new_rview->rect32 != nullptr) { + new_rview->rect32 = static_cast<int *>(MEM_dupallocN(new_rview->rect32)); + } + return new_rview; +} + +RenderResult *RE_DuplicateRenderResult(RenderResult *rr) +{ + RenderResult *new_rr = MEM_cnew("new duplicated render result", *rr); + new_rr->next = new_rr->prev = nullptr; + new_rr->layers.first = new_rr->layers.last = nullptr; + new_rr->views.first = new_rr->views.last = nullptr; + LISTBASE_FOREACH (RenderLayer *, rl, &rr->layers) { + RenderLayer *new_rl = duplicate_render_layer(rl); + BLI_addtail(&new_rr->layers, new_rl); + } + LISTBASE_FOREACH (RenderView *, rview, &rr->views) { + RenderView *new_rview = duplicate_render_view(rview); + BLI_addtail(&new_rr->views, new_rview); + } + if (new_rr->rectf != nullptr) { + new_rr->rectf = static_cast<float *>(MEM_dupallocN(new_rr->rectf)); + } + if (new_rr->rectz != nullptr) { + new_rr->rectz = static_cast<float *>(MEM_dupallocN(new_rr->rectz)); + } + if (new_rr->rect32 != nullptr) { + new_rr->rect32 = static_cast<int *>(MEM_dupallocN(new_rr->rect32)); + } + new_rr->stamp_data = BKE_stamp_data_copy(new_rr->stamp_data); + return new_rr; +} |