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blender-archive/source/blender/editors/object/object_bake_api.c

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/*
* 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) 2004 by Blender Foundation
* All rights reserved.
*/
/** \file
* \ingroup edobj
*/
#include "MEM_guardedalloc.h"
#include "DNA_object_types.h"
#include "DNA_mesh_types.h"
#include "DNA_material_types.h"
#include "RNA_access.h"
#include "RNA_define.h"
#include "RNA_enum_types.h"
#include "BLI_listbase.h"
#include "BLI_fileops.h"
#include "BLI_path_util.h"
#include "BKE_context.h"
#include "BKE_global.h"
#include "BKE_image.h"
#include "BKE_layer.h"
#include "BKE_library.h"
#include "BKE_main.h"
#include "BKE_material.h"
#include "BKE_mesh.h"
#include "BKE_modifier.h"
#include "BKE_node.h"
#include "BKE_object.h"
#include "BKE_report.h"
#include "BKE_scene.h"
#include "BKE_screen.h"
#include "DEG_depsgraph.h"
#include "DEG_depsgraph_build.h"
#include "DEG_depsgraph_query.h"
#include "RE_engine.h"
#include "RE_pipeline.h"
#include "IMB_imbuf_types.h"
#include "IMB_imbuf.h"
#include "IMB_colormanagement.h"
#include "WM_api.h"
#include "WM_types.h"
#include "ED_object.h"
#include "ED_screen.h"
#include "ED_uvedit.h"
#include "GPU_draw.h"
#include "object_intern.h"
/* prototypes */
static void bake_set_props(wmOperator *op, Scene *scene);
typedef struct BakeAPIRender {
Object *ob;
Main *main;
Scene *scene;
ViewLayer *view_layer;
ReportList *reports;
ListBase selected_objects;
eScenePassType pass_type;
int pass_filter;
int margin;
int save_mode;
bool is_clear;
bool is_split_materials;
bool is_automatic_name;
bool is_selected_to_active;
bool is_cage;
float cage_extrusion;
int normal_space;
eBakeNormalSwizzle normal_swizzle[3];
char uv_layer[MAX_CUSTOMDATA_LAYER_NAME];
char custom_cage[MAX_NAME];
char filepath[FILE_MAX];
int width;
int height;
const char *identifier;
int result;
bool ready;
/* callbacks */
Render *render;
float *progress;
short *do_update;
/* for redrawing */
ScrArea *sa;
} BakeAPIRender;
/* callbacks */
static void bake_progress_update(void *bjv, float progress)
{
BakeAPIRender *bj = bjv;
if (bj->progress && *bj->progress != progress) {
*bj->progress = progress;
/* make jobs timer to send notifier */
*(bj->do_update) = true;
}
}
/* catch esc */
static int bake_modal(bContext *C, wmOperator *UNUSED(op), const wmEvent *event)
{
/* no running blender, remove handler and pass through */
if (0 == WM_jobs_test(CTX_wm_manager(C), CTX_data_scene(C), WM_JOB_TYPE_OBJECT_BAKE))
return OPERATOR_FINISHED | OPERATOR_PASS_THROUGH;
/* running render */
switch (event->type) {
case ESCKEY:
{
G.is_break = true;
return OPERATOR_RUNNING_MODAL;
}
}
return OPERATOR_PASS_THROUGH;
}
/* for exec() when there is no render job
* note: this wont check for the escape key being pressed, but doing so isnt threadsafe */
static int bake_break(void *UNUSED(rjv))
{
if (G.is_break)
return 1;
return 0;
}
static void bake_update_image(ScrArea *sa, Image *image)
{
if (sa && sa->spacetype == SPACE_IMAGE) { /* in case the user changed while baking */
SpaceImage *sima = sa->spacedata.first;
if (sima)
sima->image = image;
}
}
static bool write_internal_bake_pixels(
Image *image, BakePixel pixel_array[], float *buffer,
const int width, const int height, const int margin,
const bool is_clear, const bool is_noncolor)
{
ImBuf *ibuf;
void *lock;
bool is_float;
char *mask_buffer = NULL;
const size_t num_pixels = (size_t)width * (size_t)height;
ibuf = BKE_image_acquire_ibuf(image, NULL, &lock);
if (!ibuf)
return false;
if (margin > 0 || !is_clear) {
mask_buffer = MEM_callocN(sizeof(char) * num_pixels, "Bake Mask");
RE_bake_mask_fill(pixel_array, num_pixels, mask_buffer);
}
is_float = (ibuf->rect_float != NULL);
/* colormanagement conversions */
if (!is_noncolor) {
const char *from_colorspace;
const char *to_colorspace;
from_colorspace = IMB_colormanagement_role_colorspace_name_get(COLOR_ROLE_SCENE_LINEAR);
if (is_float)
to_colorspace = IMB_colormanagement_get_float_colorspace(ibuf);
else
to_colorspace = IMB_colormanagement_get_rect_colorspace(ibuf);
if (from_colorspace != to_colorspace)
IMB_colormanagement_transform(buffer, ibuf->x, ibuf->y, ibuf->channels, from_colorspace, to_colorspace, false);
}
/* populates the ImBuf */
if (is_clear) {
if (is_float) {
IMB_buffer_float_from_float(
ibuf->rect_float, buffer, ibuf->channels,
IB_PROFILE_LINEAR_RGB, IB_PROFILE_LINEAR_RGB, false,
ibuf->x, ibuf->y, ibuf->x, ibuf->x);
}
else {
IMB_buffer_byte_from_float(
(unsigned char *) ibuf->rect, buffer, ibuf->channels, ibuf->dither,
IB_PROFILE_SRGB, IB_PROFILE_SRGB,
false, ibuf->x, ibuf->y, ibuf->x, ibuf->x);
}
}
else {
if (is_float) {
IMB_buffer_float_from_float_mask(
ibuf->rect_float, buffer, ibuf->channels,
ibuf->x, ibuf->y, ibuf->x, ibuf->x, mask_buffer);
}
else {
IMB_buffer_byte_from_float_mask(
(unsigned char *) ibuf->rect, buffer, ibuf->channels, ibuf->dither,
false, ibuf->x, ibuf->y, ibuf->x, ibuf->x, mask_buffer);
}
}
/* margins */
if (margin > 0)
RE_bake_margin(ibuf, mask_buffer, margin);
ibuf->userflags |= IB_DISPLAY_BUFFER_INVALID | IB_BITMAPDIRTY;
if (ibuf->rect_float)
ibuf->userflags |= IB_RECT_INVALID;
/* force mipmap recalc */
if (ibuf->mipmap[0]) {
ibuf->userflags |= IB_MIPMAP_INVALID;
imb_freemipmapImBuf(ibuf);
}
BKE_image_release_ibuf(image, ibuf, NULL);
if (mask_buffer)
MEM_freeN(mask_buffer);
return true;
}
/* force OpenGL reload */
static void refresh_images(BakeImages *bake_images)
{
int i;
for (i = 0; i < bake_images->size; i++) {
Image *ima = bake_images->data[i].image;
if (ima->ok == IMA_OK_LOADED) {
GPU_free_image(ima);
DEG_id_tag_update(&ima->id, 0);
}
}
}
static bool write_external_bake_pixels(
const char *filepath, BakePixel pixel_array[], float *buffer,
const int width, const int height, const int margin,
ImageFormatData *im_format, const bool is_noncolor)
{
ImBuf *ibuf = NULL;
bool ok = false;
bool is_float;
is_float = im_format->depth > 8;
/* create a new ImBuf */
ibuf = IMB_allocImBuf(width, height, im_format->planes, (is_float ? IB_rectfloat : IB_rect));
if (!ibuf)
return false;
/* populates the ImBuf */
if (is_float) {
IMB_buffer_float_from_float(
ibuf->rect_float, buffer, ibuf->channels,
IB_PROFILE_LINEAR_RGB, IB_PROFILE_LINEAR_RGB, false,
ibuf->x, ibuf->y, ibuf->x, ibuf->x);
}
else {
if (!is_noncolor) {
const char *from_colorspace = IMB_colormanagement_role_colorspace_name_get(COLOR_ROLE_SCENE_LINEAR);
const char *to_colorspace = IMB_colormanagement_get_rect_colorspace(ibuf);
IMB_colormanagement_transform(buffer, ibuf->x, ibuf->y, ibuf->channels, from_colorspace, to_colorspace, false);
}
IMB_buffer_byte_from_float(
(unsigned char *) ibuf->rect, buffer, ibuf->channels, ibuf->dither,
IB_PROFILE_SRGB, IB_PROFILE_SRGB,
false, ibuf->x, ibuf->y, ibuf->x, ibuf->x);
}
/* margins */
if (margin > 0) {
char *mask_buffer = NULL;
const size_t num_pixels = (size_t)width * (size_t)height;
mask_buffer = MEM_callocN(sizeof(char) * num_pixels, "Bake Mask");
RE_bake_mask_fill(pixel_array, num_pixels, mask_buffer);
RE_bake_margin(ibuf, mask_buffer, margin);
if (mask_buffer)
MEM_freeN(mask_buffer);
}
if ((ok = BKE_imbuf_write(ibuf, filepath, im_format))) {
#ifndef WIN32
chmod(filepath, S_IRUSR | S_IWUSR);
#endif
//printf("%s saving bake map: '%s'\n", __func__, filepath);
}
/* garbage collection */
IMB_freeImBuf(ibuf);
return ok;
}
static bool is_noncolor_pass(eScenePassType pass_type)
{
return ELEM(pass_type,
SCE_PASS_Z,
SCE_PASS_NORMAL,
SCE_PASS_VECTOR,
SCE_PASS_INDEXOB,
SCE_PASS_UV,
SCE_PASS_RAYHITS,
SCE_PASS_INDEXMA);
}
/* if all is good tag image and return true */
static bool bake_object_check(ViewLayer *view_layer, Object *ob, ReportList *reports)
{
Image *image;
Base *base = BKE_view_layer_base_find(view_layer, ob);
void *lock;
int i;
if (base == NULL) {
BKE_reportf(reports, RPT_ERROR, "Object \"%s\" is not in view layer", ob->id.name + 2);
return false;
}
if (!(base->flag & BASE_ENABLED_RENDER)) {
BKE_reportf(reports, RPT_ERROR, "Object \"%s\" is not enabled for rendering", ob->id.name + 2);
return false;
}
if (ob->type != OB_MESH) {
BKE_reportf(reports, RPT_ERROR, "Object \"%s\" is not a mesh", ob->id.name + 2);
return false;
}
else {
Mesh *me = (Mesh *)ob->data;
if (CustomData_get_active_layer_index(&me->ldata, CD_MLOOPUV) == -1) {
BKE_reportf(reports, RPT_ERROR,
"No active UV layer found in the object \"%s\"", ob->id.name + 2);
return false;
}
}
for (i = 0; i < ob->totcol; i++) {
bNodeTree *ntree = NULL;
bNode *node = NULL;
ED_object_get_active_image(ob, i + 1, &image, NULL, &node, &ntree);
if (image) {
ImBuf *ibuf;
if (node) {
if (BKE_node_is_connected_to_output(ntree, node)) {
/* we don't return false since this may be a false positive
* this can't be RPT_ERROR though, otherwise it prevents
* multiple highpoly objects to be baked at once */
BKE_reportf(reports, RPT_INFO,
"Circular dependency for image \"%s\" from object \"%s\"",
image->id.name + 2, ob->id.name + 2);
}
}
ibuf = BKE_image_acquire_ibuf(image, NULL, &lock);
if (ibuf) {
BKE_image_release_ibuf(image, ibuf, lock);
}
else {
BKE_reportf(reports, RPT_ERROR,
"Uninitialized image \"%s\" from object \"%s\"",
image->id.name + 2, ob->id.name + 2);
BKE_image_release_ibuf(image, ibuf, lock);
return false;
}
}
else {
Material *mat = give_current_material(ob, i);
if (mat != NULL) {
BKE_reportf(reports, RPT_INFO,
"No active image found in material \"%s\" (%d) for object \"%s\"",
mat->id.name + 2, i, ob->id.name + 2);
}
else {
BKE_reportf(reports, RPT_INFO,
"No active image found in material slot (%d) for object \"%s\"",
i, ob->id.name + 2);
}
continue;
}
image->id.tag |= LIB_TAG_DOIT;
}
return true;
}
static bool bake_pass_filter_check(eScenePassType pass_type, const int pass_filter, ReportList *reports)
{
switch (pass_type) {
case SCE_PASS_COMBINED:
if ((pass_filter & R_BAKE_PASS_FILTER_EMIT) != 0) {
return true;
}
if (((pass_filter & R_BAKE_PASS_FILTER_DIRECT) != 0) ||
((pass_filter & R_BAKE_PASS_FILTER_INDIRECT) != 0))
{
if (((pass_filter & R_BAKE_PASS_FILTER_DIFFUSE) != 0) ||
((pass_filter & R_BAKE_PASS_FILTER_GLOSSY) != 0) ||
((pass_filter & R_BAKE_PASS_FILTER_TRANSM) != 0) ||
((pass_filter & R_BAKE_PASS_FILTER_SUBSURFACE) != 0))
{
return true;
}
if ((pass_filter & R_BAKE_PASS_FILTER_AO) != 0) {
BKE_report(reports, RPT_ERROR,
"Combined bake pass Ambient Occlusion contribution requires an enabled light pass "
"(bake the Ambient Occlusion pass type instead)");
}
else {
BKE_report(reports, RPT_ERROR,
"Combined bake pass requires Emit, or a light pass with "
"Direct or Indirect contributions enabled");
}
return false;
}
else {
BKE_report(reports, RPT_ERROR,
"Combined bake pass requires Emit, or a light pass with "
"Direct or Indirect contributions enabled");
return false;
}
break;
case SCE_PASS_DIFFUSE_COLOR:
case SCE_PASS_GLOSSY_COLOR:
case SCE_PASS_TRANSM_COLOR:
case SCE_PASS_SUBSURFACE_COLOR:
if (((pass_filter & R_BAKE_PASS_FILTER_COLOR) != 0) ||
((pass_filter & R_BAKE_PASS_FILTER_DIRECT) != 0) ||
((pass_filter & R_BAKE_PASS_FILTER_INDIRECT) != 0))
{
return true;
}
else {
BKE_report(reports, RPT_ERROR,
"Bake pass requires Direct, Indirect, or Color contributions to be enabled");
return false;
}
break;
default:
return true;
break;
}
}
/* before even getting in the bake function we check for some basic errors */
static bool bake_objects_check(Main *bmain, ViewLayer *view_layer, Object *ob, ListBase *selected_objects,
ReportList *reports, const bool is_selected_to_active)
{
CollectionPointerLink *link;
/* error handling and tag (in case multiple materials share the same image) */
BKE_main_id_tag_idcode(bmain, ID_IM, LIB_TAG_DOIT, false);
if (is_selected_to_active) {
int tot_objects = 0;
if (!bake_object_check(view_layer, ob, reports))
return false;
for (link = selected_objects->first; link; link = link->next) {
Object *ob_iter = (Object *)link->ptr.data;
if (ob_iter == ob)
continue;
if (ELEM(ob_iter->type, OB_MESH, OB_FONT, OB_CURVE, OB_SURF, OB_MBALL) == false) {
BKE_reportf(reports, RPT_ERROR, "Object \"%s\" is not a mesh or can't be converted to a mesh (Curve, Text, Surface or Metaball)", ob_iter->id.name + 2);
return false;
}
tot_objects += 1;
}
if (tot_objects == 0) {
BKE_report(reports, RPT_ERROR, "No valid selected objects");
return false;
}
}
else {
if (BLI_listbase_is_empty(selected_objects)) {
BKE_report(reports, RPT_ERROR, "No valid selected objects");
return false;
}
for (link = selected_objects->first; link; link = link->next) {
if (!bake_object_check(view_layer, link->ptr.data, reports))
return false;
}
}
return true;
}
/* it needs to be called after bake_objects_check since the image tagging happens there */
static void bake_images_clear(Main *bmain, const bool is_tangent)
{
Image *image;
for (image = bmain->images.first; image; image = image->id.next) {
if ((image->id.tag & LIB_TAG_DOIT) != 0) {
RE_bake_ibuf_clear(image, is_tangent);
}
}
}
static void build_image_lookup(Main *bmain, Object *ob, BakeImages *bake_images)
{
const int tot_mat = ob->totcol;
int i, j;
int tot_images = 0;
/* error handling and tag (in case multiple materials share the same image) */
BKE_main_id_tag_idcode(bmain, ID_IM, LIB_TAG_DOIT, false);
for (i = 0; i < tot_mat; i++) {
Image *image;
ED_object_get_active_image(ob, i + 1, &image, NULL, NULL, NULL);
/* Some materials have no image, we just ignore those cases. */
if (image == NULL) {
bake_images->lookup[i] = -1;
}
else if (image->id.tag & LIB_TAG_DOIT) {
for (j = 0; j < i; j++) {
if (bake_images->data[j].image == image) {
bake_images->lookup[i] = j;
break;
}
}
}
else {
bake_images->lookup[i] = tot_images;
bake_images->data[tot_images].image = image;
image->id.tag |= LIB_TAG_DOIT;
tot_images++;
}
}
bake_images->size = tot_images;
}
/*
* returns the total number of pixels
*/
static size_t initialize_internal_images(BakeImages *bake_images, ReportList *reports)
{
int i;
size_t tot_size = 0;
for (i = 0; i < bake_images->size; i++) {
ImBuf *ibuf;
void *lock;
BakeImage *bk_image = &bake_images->data[i];
ibuf = BKE_image_acquire_ibuf(bk_image->image, NULL, &lock);
if (ibuf) {
bk_image->width = ibuf->x;
bk_image->height = ibuf->y;
bk_image->offset = tot_size;
tot_size += (size_t)ibuf->x * (size_t)ibuf->y;
}
else {
BKE_image_release_ibuf(bk_image->image, ibuf, lock);
BKE_reportf(reports, RPT_ERROR, "Uninitialized image %s", bk_image->image->id.name + 2);
return 0;
}
BKE_image_release_ibuf(bk_image->image, ibuf, lock);
}
return tot_size;
}
/* create new mesh with edit mode changes and modifiers applied */
static Mesh *bake_mesh_new_from_object(Depsgraph *depsgraph, Main *bmain, Scene *scene, Object *ob)
{
bool apply_modifiers = (ob->type != OB_MESH);
Mesh *me = BKE_mesh_new_from_object(depsgraph, bmain, scene, ob, apply_modifiers, false);
if (me->flag & ME_AUTOSMOOTH) {
BKE_mesh_split_faces(me, true);
}
return me;
}
static int bake(
Render *re, Main *bmain, Scene *scene, ViewLayer *view_layer, Object *ob_low, ListBase *selected_objects,
ReportList *reports,
const eScenePassType pass_type, const int pass_filter, const int margin,
const eBakeSaveMode save_mode, const bool is_clear, const bool is_split_materials,
const bool is_automatic_name, const bool is_selected_to_active, const bool is_cage,
const float cage_extrusion, const int normal_space, const eBakeNormalSwizzle normal_swizzle[],
const char *custom_cage, const char *filepath, const int width, const int height,
const char *identifier, ScrArea *sa, const char *uv_layer)
{
/* We build a depsgraph for the baking,
* so we don't need to change the original data to adjust visibility and modifiers. */
Depsgraph *depsgraph = DEG_graph_new(scene, view_layer, DAG_EVAL_RENDER);
DEG_graph_build_from_view_layer(depsgraph, bmain, scene, view_layer);
int op_result = OPERATOR_CANCELLED;
bool ok = false;
Object *ob_cage = NULL;
Object *ob_cage_eval = NULL;
Object *ob_low_eval = NULL;
BakeHighPolyData *highpoly = NULL;
int tot_highpoly = 0;
Mesh *me_low = NULL;
Mesh *me_cage = NULL;
MultiresModifierData *mmd_low = NULL;
int mmd_flags_low = 0;
float *result = NULL;
BakePixel *pixel_array_low = NULL;
BakePixel *pixel_array_high = NULL;
const bool is_save_internal = (save_mode == R_BAKE_SAVE_INTERNAL);
const bool is_noncolor = is_noncolor_pass(pass_type);
const int depth = RE_pass_depth(pass_type);
BakeImages bake_images = {NULL};
size_t num_pixels;
int tot_materials;
RE_bake_engine_set_engine_parameters(re, bmain, scene);
if (!RE_bake_has_engine(re)) {
BKE_report(reports, RPT_ERROR, "Current render engine does not support baking");
goto cleanup;
}
tot_materials = ob_low->totcol;
if (uv_layer && uv_layer[0] != '\0') {
Mesh *me = (Mesh *)ob_low->data;
if (CustomData_get_named_layer(&me->ldata, CD_MLOOPUV, uv_layer) == -1) {
BKE_reportf(reports, RPT_ERROR,
"No UV layer named \"%s\" found in the object \"%s\"", uv_layer, ob_low->id.name + 2);
goto cleanup;
}
}
if (tot_materials == 0) {
if (is_save_internal) {
BKE_report(reports, RPT_ERROR,
"No active image found, add a material or bake to an external file");
goto cleanup;
}
else if (is_split_materials) {
BKE_report(reports, RPT_ERROR,
"No active image found, add a material or bake without the Split Materials option");
goto cleanup;
}
else {
/* baking externally without splitting materials */
tot_materials = 1;
}
}
/* we overallocate in case there is more materials than images */
bake_images.data = MEM_mallocN(sizeof(BakeImage) * tot_materials, "bake images dimensions (width, height, offset)");
bake_images.lookup = MEM_mallocN(sizeof(int) * tot_materials, "bake images lookup (from material to BakeImage)");
build_image_lookup(bmain, ob_low, &bake_images);
if (is_save_internal) {
num_pixels = initialize_internal_images(&bake_images, reports);
if (num_pixels == 0) {
goto cleanup;
}
}
else {
/* when saving externally always use the size specified in the UI */
num_pixels = (size_t)width * (size_t)height * bake_images.size;
for (int i = 0; i < bake_images.size; i++) {
bake_images.data[i].width = width;
bake_images.data[i].height = height;
bake_images.data[i].offset = (is_split_materials ? num_pixels : 0);
bake_images.data[i].image = NULL;
}
if (!is_split_materials) {
/* saving a single image */
for (int i = 0; i < tot_materials; i++) {
bake_images.lookup[i] = 0;
}
}
}
if (is_selected_to_active) {
CollectionPointerLink *link;
tot_highpoly = 0;
for (link = selected_objects->first; link; link = link->next) {
Object *ob_iter = link->ptr.data;
if (ob_iter == ob_low)
continue;
tot_highpoly ++;
}
if (is_cage && custom_cage[0] != '\0') {
ob_cage = BLI_findstring(&bmain->objects, custom_cage, offsetof(ID, name) + 2);
if (ob_cage == NULL || ob_cage->type != OB_MESH) {
BKE_report(reports, RPT_ERROR, "No valid cage object");
goto cleanup;
}
else {
ob_cage_eval = DEG_get_evaluated_object(depsgraph, ob_cage);
ob_cage_eval->restrictflag |= OB_RESTRICT_RENDER;
ob_cage_eval->base_flag &= ~(BASE_VISIBLE | BASE_ENABLED_RENDER);
}
}
}
pixel_array_low = MEM_mallocN(sizeof(BakePixel) * num_pixels, "bake pixels low poly");
pixel_array_high = MEM_mallocN(sizeof(BakePixel) * num_pixels, "bake pixels high poly");
result = MEM_callocN(sizeof(float) * depth * num_pixels, "bake return pixels");
/* for multires bake, use linear UV subdivision to match low res UVs */
if (pass_type == SCE_PASS_NORMAL && normal_space == R_BAKE_SPACE_TANGENT && !is_selected_to_active) {
mmd_low = (MultiresModifierData *) modifiers_findByType(ob_low, eModifierType_Multires);
if (mmd_low) {
mmd_flags_low = mmd_low->flags;
mmd_low->uv_smooth = SUBSURF_UV_SMOOTH_NONE;
}
}
/* Make sure depsgraph is up to date. */
BKE_scene_graph_update_tagged(depsgraph, bmain);
ob_low_eval = DEG_get_evaluated_object(depsgraph, ob_low);
/* get the mesh as it arrives in the renderer */
me_low = bake_mesh_new_from_object(depsgraph, bmain, scene, ob_low_eval);
/* populate the pixel array with the face data */
if ((is_selected_to_active && (ob_cage == NULL) && is_cage) == false)
RE_bake_pixels_populate(me_low, pixel_array_low, num_pixels, &bake_images, uv_layer);
/* else populate the pixel array with the 'cage' mesh (the smooth version of the mesh) */
if (is_selected_to_active) {
CollectionPointerLink *link;
int i = 0;
/* prepare cage mesh */
if (ob_cage) {
me_cage = bake_mesh_new_from_object(depsgraph, bmain, scene, ob_cage_eval);
if ((me_low->totpoly != me_cage->totpoly) || (me_low->totloop != me_cage->totloop)) {
BKE_report(reports, RPT_ERROR,
"Invalid cage object, the cage mesh must have the same number "
"of faces as the active object");
goto cleanup;
}
}
else if (is_cage) {
BKE_object_eval_reset(ob_low_eval);
ModifierData *md = ob_low_eval->modifiers.first;
while (md) {
ModifierData *md_next = md->next;
/* Edge Split cannot be applied in the cage,
* the cage is supposed to have interpolated normals
* between the faces unless the geometry is physically
* split. So we create a copy of the low poly mesh without
* the eventual edge split.*/
if (md->type == eModifierType_EdgeSplit) {
BLI_remlink(&ob_low_eval->modifiers, md);
modifier_free(md);
}
md = md_next;
}
me_cage = bake_mesh_new_from_object(depsgraph, bmain, scene, ob_low_eval);
RE_bake_pixels_populate(me_cage, pixel_array_low, num_pixels, &bake_images, uv_layer);
}
highpoly = MEM_callocN(sizeof(BakeHighPolyData) * tot_highpoly, "bake high poly objects");
/* populate highpoly array */
for (link = selected_objects->first; link; link = link->next) {
Object *ob_iter = link->ptr.data;
if (ob_iter == ob_low)
continue;
/* initialize highpoly_data */
highpoly[i].ob = ob_iter;
highpoly[i].ob_eval = DEG_get_evaluated_object(depsgraph, ob_iter);
highpoly[i].ob_eval->restrictflag &= ~OB_RESTRICT_RENDER;
highpoly[i].ob_eval->base_flag |= (BASE_VISIBLE | BASE_ENABLED_RENDER);
highpoly[i].me = bake_mesh_new_from_object(depsgraph, bmain, scene, highpoly[i].ob_eval);
/* lowpoly to highpoly transformation matrix */
copy_m4_m4(highpoly[i].obmat, highpoly[i].ob->obmat);
invert_m4_m4(highpoly[i].imat, highpoly[i].obmat);
highpoly[i].is_flip_object = is_negative_m4(highpoly[i].ob->obmat);
i++;
}
BLI_assert(i == tot_highpoly);
if (ob_cage != NULL) {
ob_cage_eval->restrictflag |= OB_RESTRICT_RENDER;
ob_cage_eval->base_flag &= ~(BASE_VISIBLE | BASE_ENABLED_RENDER);
}
ob_low_eval->restrictflag |= OB_RESTRICT_RENDER;
ob_low_eval->base_flag &= ~(BASE_VISIBLE | BASE_ENABLED_RENDER);
/* populate the pixel arrays with the corresponding face data for each high poly object */
if (!RE_bake_pixels_populate_from_objects(
me_low, pixel_array_low, pixel_array_high, highpoly, tot_highpoly, num_pixels, ob_cage != NULL,
cage_extrusion, ob_low_eval->obmat, (ob_cage ? ob_cage->obmat : ob_low_eval->obmat), me_cage))
{
BKE_report(reports, RPT_ERROR, "Error handling selected objects");
goto cleanup;
}
/* the baking itself */
for (i = 0; i < tot_highpoly; i++) {
ok = RE_bake_engine(re, depsgraph, highpoly[i].ob, i, pixel_array_high,
num_pixels, depth, pass_type, pass_filter, result);
if (!ok) {
BKE_reportf(reports, RPT_ERROR, "Error baking from object \"%s\"", highpoly[i].ob->id.name + 2);
goto cleanup;
}
}
}
else {
/* If low poly is not renderable it should have failed long ago. */
BLI_assert((ob_low_eval->restrictflag & OB_RESTRICT_RENDER) == 0);
if (RE_bake_has_engine(re)) {
ok = RE_bake_engine(re, depsgraph, ob_low_eval, 0, pixel_array_low, num_pixels, depth, pass_type, pass_filter, result);
}
else {
BKE_report(reports, RPT_ERROR, "Current render engine does not support baking");
goto cleanup;
}
}
/* normal space conversion
* the normals are expected to be in world space, +X +Y +Z */
if (ok && pass_type == SCE_PASS_NORMAL) {
switch (normal_space) {
case R_BAKE_SPACE_WORLD:
{
/* Cycles internal format */
if ((normal_swizzle[0] == R_BAKE_POSX) &&
(normal_swizzle[1] == R_BAKE_POSY) &&
(normal_swizzle[2] == R_BAKE_POSZ))
{
break;
}
else {
RE_bake_normal_world_to_world(pixel_array_low, num_pixels, depth, result, normal_swizzle);
}
break;
}
case R_BAKE_SPACE_OBJECT:
{
RE_bake_normal_world_to_object(pixel_array_low, num_pixels, depth, result, ob_low_eval, normal_swizzle);
break;
}
case R_BAKE_SPACE_TANGENT:
{
if (is_selected_to_active) {
RE_bake_normal_world_to_tangent(pixel_array_low, num_pixels, depth, result, me_low, normal_swizzle, ob_low_eval->obmat);
}
else {
/* from multiresolution */
Mesh *me_nores = NULL;
ModifierData *md = NULL;
int mode;
BKE_object_eval_reset(ob_low_eval);
md = modifiers_findByType(ob_low_eval, eModifierType_Multires);
if (md) {
mode = md->mode;
md->mode &= ~eModifierMode_Render;
}
/* Evaluate modifiers again. */
me_nores = BKE_mesh_new_from_object(depsgraph, bmain, scene, ob_low_eval, true, false);
RE_bake_pixels_populate(me_nores, pixel_array_low, num_pixels, &bake_images, uv_layer);
RE_bake_normal_world_to_tangent(pixel_array_low, num_pixels, depth, result, me_nores, normal_swizzle, ob_low_eval->obmat);
BKE_id_free(bmain, me_nores);
if (md)
md->mode = mode;
}
break;
}
default:
break;
}
}
if (!ok) {
BKE_reportf(reports, RPT_ERROR, "Problem baking object \"%s\"", ob_low->id.name + 2);
op_result = OPERATOR_CANCELLED;
}
else {
/* save the results */
for (int i = 0; i < bake_images.size; i++) {
BakeImage *bk_image = &bake_images.data[i];
if (is_save_internal) {
ok = write_internal_bake_pixels(
bk_image->image,
pixel_array_low + bk_image->offset,
result + bk_image->offset * depth,
bk_image->width, bk_image->height,
margin, is_clear, is_noncolor);
/* might be read by UI to set active image for display */
bake_update_image(sa, bk_image->image);
if (!ok) {
BKE_reportf(reports, RPT_ERROR,
"Problem saving the bake map internally for object \"%s\"", ob_low->id.name + 2);
op_result = OPERATOR_CANCELLED;
}
else {
BKE_report(reports, RPT_INFO,
"Baking map saved to internal image, save it externally or pack it");
op_result = OPERATOR_FINISHED;
}
}
/* save externally */
else {
BakeData *bake = &scene->r.bake;
char name[FILE_MAX];
BKE_image_path_from_imtype(name, filepath, BKE_main_blendfile_path(bmain),
0, bake->im_format.imtype, true, false, NULL);
if (is_automatic_name) {
BLI_path_suffix(name, FILE_MAX, ob_low->id.name + 2, "_");
BLI_path_suffix(name, FILE_MAX, identifier, "_");
}
if (is_split_materials) {
if (bk_image->image) {
BLI_path_suffix(name, FILE_MAX, bk_image->image->id.name + 2, "_");
}
else {
if (ob_low_eval->mat[i]) {
BLI_path_suffix(name, FILE_MAX, ob_low_eval->mat[i]->id.name + 2, "_");
}
else if (me_low->mat[i]) {
BLI_path_suffix(name, FILE_MAX, me_low->mat[i]->id.name + 2, "_");
}
else {
/* if everything else fails, use the material index */
char tmp[5];
sprintf(tmp, "%d", i % 1000);
BLI_path_suffix(name, FILE_MAX, tmp, "_");
}
}
}
/* save it externally */
ok = write_external_bake_pixels(
name,
pixel_array_low + bk_image->offset,
result + bk_image->offset * depth,
bk_image->width, bk_image->height,
margin, &bake->im_format, is_noncolor);
if (!ok) {
BKE_reportf(reports, RPT_ERROR, "Problem saving baked map in \"%s\"", name);
op_result = OPERATOR_CANCELLED;
}
else {
BKE_reportf(reports, RPT_INFO, "Baking map written to \"%s\"", name);
op_result = OPERATOR_FINISHED;
}
if (!is_split_materials) {
break;
}
}
}
}
if (is_save_internal)
refresh_images(&bake_images);
cleanup:
if (highpoly) {
int i;
for (i = 0; i < tot_highpoly; i++) {
if (highpoly[i].me)
BKE_id_free(bmain, highpoly[i].me);
}
MEM_freeN(highpoly);
}
if (mmd_low)
mmd_low->flags = mmd_flags_low;
if (pixel_array_low)
MEM_freeN(pixel_array_low);
if (pixel_array_high)
MEM_freeN(pixel_array_high);
if (bake_images.data)
MEM_freeN(bake_images.data);
if (bake_images.lookup)
MEM_freeN(bake_images.lookup);
if (result)
MEM_freeN(result);
if (me_low)
BKE_id_free(bmain, me_low);
if (me_cage)
BKE_id_free(bmain, me_cage);
DEG_graph_free(depsgraph);
return op_result;
}
static void bake_init_api_data(wmOperator *op, bContext *C, BakeAPIRender *bkr)
{
bool is_save_internal;
bScreen *sc = CTX_wm_screen(C);
bkr->ob = CTX_data_active_object(C);
bkr->main = CTX_data_main(C);
bkr->view_layer = CTX_data_view_layer(C);
bkr->scene = CTX_data_scene(C);
bkr->sa = sc ? BKE_screen_find_big_area(sc, SPACE_IMAGE, 10) : NULL;
bkr->pass_type = RNA_enum_get(op->ptr, "type");
bkr->pass_filter = RNA_enum_get(op->ptr, "pass_filter");
bkr->margin = RNA_int_get(op->ptr, "margin");
bkr->save_mode = RNA_enum_get(op->ptr, "save_mode");
is_save_internal = (bkr->save_mode == R_BAKE_SAVE_INTERNAL);
bkr->is_clear = RNA_boolean_get(op->ptr, "use_clear");
bkr->is_split_materials = (!is_save_internal) && RNA_boolean_get(op->ptr, "use_split_materials");
bkr->is_automatic_name = RNA_boolean_get(op->ptr, "use_automatic_name");
bkr->is_selected_to_active = RNA_boolean_get(op->ptr, "use_selected_to_active");
bkr->is_cage = RNA_boolean_get(op->ptr, "use_cage");
bkr->cage_extrusion = RNA_float_get(op->ptr, "cage_extrusion");
bkr->normal_space = RNA_enum_get(op->ptr, "normal_space");
bkr->normal_swizzle[0] = RNA_enum_get(op->ptr, "normal_r");
bkr->normal_swizzle[1] = RNA_enum_get(op->ptr, "normal_g");
bkr->normal_swizzle[2] = RNA_enum_get(op->ptr, "normal_b");
bkr->width = RNA_int_get(op->ptr, "width");
bkr->height = RNA_int_get(op->ptr, "height");
bkr->identifier = "";
RNA_string_get(op->ptr, "uv_layer", bkr->uv_layer);
RNA_string_get(op->ptr, "cage_object", bkr->custom_cage);
if ((!is_save_internal) && bkr->is_automatic_name) {
PropertyRNA *prop = RNA_struct_find_property(op->ptr, "type");
RNA_property_enum_identifier(C, op->ptr, prop, bkr->pass_type, &bkr->identifier);
}
CTX_data_selected_objects(C, &bkr->selected_objects);
bkr->reports = op->reports;
bkr->result = OPERATOR_CANCELLED;
bkr->render = RE_NewSceneRender(bkr->scene);
/* XXX hack to force saving to always be internal. Whether (and how) to support
* external saving will be addressed later */
bkr->save_mode = R_BAKE_SAVE_INTERNAL;
}
static int bake_exec(bContext *C, wmOperator *op)
{
Render *re;
int result = OPERATOR_CANCELLED;
BakeAPIRender bkr = {NULL};
Scene *scene = CTX_data_scene(C);
G.is_break = false;
G.is_rendering = true;
bake_set_props(op, scene);
bake_init_api_data(op, C, &bkr);
re = bkr.render;
/* setup new render */
RE_test_break_cb(re, NULL, bake_break);
if (!bake_pass_filter_check(bkr.pass_type, bkr.pass_filter, bkr.reports)) {
goto finally;
}
if (!bake_objects_check(bkr.main, bkr.view_layer, bkr.ob, &bkr.selected_objects, bkr.reports, bkr.is_selected_to_active)) {
goto finally;
}
if (bkr.is_clear) {
const bool is_tangent = ((bkr.pass_type == SCE_PASS_NORMAL) && (bkr.normal_space == R_BAKE_SPACE_TANGENT));
bake_images_clear(bkr.main, is_tangent);
}
RE_SetReports(re, bkr.reports);
if (bkr.is_selected_to_active) {
result = bake(
bkr.render, bkr.main, bkr.scene, bkr.view_layer, bkr.ob, &bkr.selected_objects, bkr.reports,
bkr.pass_type, bkr.pass_filter, bkr.margin, bkr.save_mode,
bkr.is_clear, bkr.is_split_materials, bkr.is_automatic_name, true, bkr.is_cage,
bkr.cage_extrusion, bkr.normal_space, bkr.normal_swizzle,
bkr.custom_cage, bkr.filepath, bkr.width, bkr.height, bkr.identifier, bkr.sa,
bkr.uv_layer);
}
else {
CollectionPointerLink *link;
const bool is_clear = bkr.is_clear && BLI_listbase_is_single(&bkr.selected_objects);
for (link = bkr.selected_objects.first; link; link = link->next) {
Object *ob_iter = link->ptr.data;
result = bake(
bkr.render, bkr.main, bkr.scene, bkr.view_layer, ob_iter, NULL, bkr.reports,
bkr.pass_type, bkr.pass_filter, bkr.margin, bkr.save_mode,
is_clear, bkr.is_split_materials, bkr.is_automatic_name, false, bkr.is_cage,
bkr.cage_extrusion, bkr.normal_space, bkr.normal_swizzle,
bkr.custom_cage, bkr.filepath, bkr.width, bkr.height, bkr.identifier, bkr.sa,
bkr.uv_layer);
}
}
RE_SetReports(re, NULL);
finally:
G.is_rendering = false;
BLI_freelistN(&bkr.selected_objects);
return result;
}
static void bake_startjob(void *bkv, short *UNUSED(stop), short *do_update, float *progress)
{
BakeAPIRender *bkr = (BakeAPIRender *)bkv;
/* setup new render */
bkr->do_update = do_update;
bkr->progress = progress;
RE_SetReports(bkr->render, bkr->reports);
if (!bake_pass_filter_check(bkr->pass_type, bkr->pass_filter, bkr->reports)) {
bkr->result = OPERATOR_CANCELLED;
return;
}
if (!bake_objects_check(bkr->main, bkr->view_layer, bkr->ob, &bkr->selected_objects, bkr->reports, bkr->is_selected_to_active)) {
bkr->result = OPERATOR_CANCELLED;
return;
}
if (bkr->is_clear) {
const bool is_tangent = ((bkr->pass_type == SCE_PASS_NORMAL) && (bkr->normal_space == R_BAKE_SPACE_TANGENT));
bake_images_clear(bkr->main, is_tangent);
}
if (bkr->is_selected_to_active) {
bkr->result = bake(
bkr->render, bkr->main, bkr->scene, bkr->view_layer, bkr->ob, &bkr->selected_objects, bkr->reports,
bkr->pass_type, bkr->pass_filter, bkr->margin, bkr->save_mode,
bkr->is_clear, bkr->is_split_materials, bkr->is_automatic_name, true, bkr->is_cage,
bkr->cage_extrusion, bkr->normal_space, bkr->normal_swizzle,
bkr->custom_cage, bkr->filepath, bkr->width, bkr->height, bkr->identifier, bkr->sa,
bkr->uv_layer);
}
else {
CollectionPointerLink *link;
const bool is_clear = bkr->is_clear && BLI_listbase_is_single(&bkr->selected_objects);
for (link = bkr->selected_objects.first; link; link = link->next) {
Object *ob_iter = link->ptr.data;
bkr->result = bake(
bkr->render, bkr->main, bkr->scene, bkr->view_layer, ob_iter, NULL, bkr->reports,
bkr->pass_type, bkr->pass_filter, bkr->margin, bkr->save_mode,
is_clear, bkr->is_split_materials, bkr->is_automatic_name, false, bkr->is_cage,
bkr->cage_extrusion, bkr->normal_space, bkr->normal_swizzle,
bkr->custom_cage, bkr->filepath, bkr->width, bkr->height, bkr->identifier, bkr->sa,
bkr->uv_layer);
if (bkr->result == OPERATOR_CANCELLED)
return;
}
}
RE_SetReports(bkr->render, NULL);
}
static void bake_freejob(void *bkv)
{
BakeAPIRender *bkr = (BakeAPIRender *)bkv;
BLI_freelistN(&bkr->selected_objects);
MEM_freeN(bkr);
G.is_rendering = false;
}
static void bake_set_props(wmOperator *op, Scene *scene)
{
PropertyRNA *prop;
BakeData *bake = &scene->r.bake;
prop = RNA_struct_find_property(op->ptr, "filepath");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_string_set(op->ptr, prop, bake->filepath);
}
prop = RNA_struct_find_property(op->ptr, "width");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_int_set(op->ptr, prop, bake->width);
}
prop = RNA_struct_find_property(op->ptr, "height");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_int_set(op->ptr, prop, bake->width);
}
prop = RNA_struct_find_property(op->ptr, "margin");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_int_set(op->ptr, prop, bake->margin);
}
prop = RNA_struct_find_property(op->ptr, "use_selected_to_active");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_boolean_set(op->ptr, prop, (bake->flag & R_BAKE_TO_ACTIVE) != 0);
}
prop = RNA_struct_find_property(op->ptr, "cage_extrusion");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_float_set(op->ptr, prop, bake->cage_extrusion);
}
prop = RNA_struct_find_property(op->ptr, "cage_object");
if (!RNA_property_is_set(op->ptr, prop)) {
if (bake->cage_object) {
RNA_property_string_set(op->ptr, prop, bake->cage_object->id.name + 2);
}
}
prop = RNA_struct_find_property(op->ptr, "normal_space");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_enum_set(op->ptr, prop, bake->normal_space);
}
prop = RNA_struct_find_property(op->ptr, "normal_r");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_enum_set(op->ptr, prop, bake->normal_swizzle[0]);
}
prop = RNA_struct_find_property(op->ptr, "normal_g");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_enum_set(op->ptr, prop, bake->normal_swizzle[1]);
}
prop = RNA_struct_find_property(op->ptr, "normal_b");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_enum_set(op->ptr, prop, bake->normal_swizzle[2]);
}
prop = RNA_struct_find_property(op->ptr, "save_mode");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_enum_set(op->ptr, prop, bake->save_mode);
}
prop = RNA_struct_find_property(op->ptr, "use_clear");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_boolean_set(op->ptr, prop, (bake->flag & R_BAKE_CLEAR) != 0);
}
prop = RNA_struct_find_property(op->ptr, "use_cage");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_boolean_set(op->ptr, prop, (bake->flag & R_BAKE_CAGE) != 0);
}
prop = RNA_struct_find_property(op->ptr, "use_split_materials");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_boolean_set(op->ptr, prop, (bake->flag & R_BAKE_SPLIT_MAT) != 0);
}
prop = RNA_struct_find_property(op->ptr, "use_automatic_name");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_boolean_set(op->ptr, prop, (bake->flag & R_BAKE_AUTO_NAME) != 0);
}
prop = RNA_struct_find_property(op->ptr, "pass_filter");
if (!RNA_property_is_set(op->ptr, prop)) {
RNA_property_enum_set(op->ptr, prop, bake->pass_filter);
}
}
static int bake_invoke(bContext *C, wmOperator *op, const wmEvent *UNUSED(event))
{
wmJob *wm_job;
BakeAPIRender *bkr;
Render *re;
Scene *scene = CTX_data_scene(C);
bake_set_props(op, scene);
/* only one render job at a time */
if (WM_jobs_test(CTX_wm_manager(C), scene, WM_JOB_TYPE_OBJECT_BAKE))
return OPERATOR_CANCELLED;
bkr = MEM_mallocN(sizeof(BakeAPIRender), "render bake");
/* init bake render */
bake_init_api_data(op, C, bkr);
re = bkr->render;
/* setup new render */
RE_test_break_cb(re, NULL, bake_break);
RE_progress_cb(re, bkr, bake_progress_update);
/* setup job */
wm_job = WM_jobs_get(CTX_wm_manager(C), CTX_wm_window(C), scene, "Texture Bake",
WM_JOB_EXCL_RENDER | WM_JOB_PRIORITY | WM_JOB_PROGRESS, WM_JOB_TYPE_OBJECT_BAKE);
WM_jobs_customdata_set(wm_job, bkr, bake_freejob);
WM_jobs_timer(wm_job, 0.5, NC_IMAGE, 0); /* TODO - only draw bake image, can we enforce this */
WM_jobs_callbacks(wm_job, bake_startjob, NULL, NULL, NULL);
G.is_break = false;
G.is_rendering = true;
WM_jobs_start(CTX_wm_manager(C), wm_job);
WM_cursor_wait(0);
/* add modal handler for ESC */
WM_event_add_modal_handler(C, op);
WM_event_add_notifier(C, NC_SCENE | ND_RENDER_RESULT, scene);
return OPERATOR_RUNNING_MODAL;
}
void OBJECT_OT_bake(wmOperatorType *ot)
{
PropertyRNA *prop;
/* identifiers */
ot->name = "Bake";
ot->description = "Bake image textures of selected objects";
ot->idname = "OBJECT_OT_bake";
/* api callbacks */
ot->exec = bake_exec;
ot->modal = bake_modal;
ot->invoke = bake_invoke;
ot->poll = ED_operator_object_active_editable_mesh;
RNA_def_enum(ot->srna, "type", rna_enum_bake_pass_type_items, SCE_PASS_COMBINED, "Type",
"Type of pass to bake, some of them may not be supported by the current render engine");
prop = RNA_def_enum(ot->srna, "pass_filter", rna_enum_bake_pass_filter_type_items, R_BAKE_PASS_FILTER_NONE, "Pass Filter",
"Filter to combined, diffuse, glossy, transmission and subsurface passes");
RNA_def_property_flag(prop, PROP_ENUM_FLAG);
RNA_def_string_file_path(ot->srna, "filepath", NULL, FILE_MAX, "File Path",
"Image filepath to use when saving externally");
RNA_def_int(ot->srna, "width", 512, 1, INT_MAX, "Width",
"Horizontal dimension of the baking map (external only)", 64, 4096);
RNA_def_int(ot->srna, "height", 512, 1, INT_MAX, "Height",
"Vertical dimension of the baking map (external only)", 64, 4096);
RNA_def_int(ot->srna, "margin", 16, 0, INT_MAX, "Margin",
"Extends the baked result as a post process filter", 0, 64);
RNA_def_boolean(ot->srna, "use_selected_to_active", false, "Selected to Active",
"Bake shading on the surface of selected objects to the active object");
RNA_def_float(ot->srna, "cage_extrusion", 0.0f, 0.0f, FLT_MAX, "Cage Extrusion",
"Distance to use for the inward ray cast when using selected to active", 0.0f, 1.0f);
RNA_def_string(ot->srna, "cage_object", NULL, MAX_NAME, "Cage Object",
"Object to use as cage, instead of calculating the cage from the active object with cage extrusion");
RNA_def_enum(ot->srna, "normal_space", rna_enum_normal_space_items, R_BAKE_SPACE_TANGENT, "Normal Space",
"Choose normal space for baking");
RNA_def_enum(ot->srna, "normal_r", rna_enum_normal_swizzle_items, R_BAKE_POSX, "R", "Axis to bake in red channel");
RNA_def_enum(ot->srna, "normal_g", rna_enum_normal_swizzle_items, R_BAKE_POSY, "G", "Axis to bake in green channel");
RNA_def_enum(ot->srna, "normal_b", rna_enum_normal_swizzle_items, R_BAKE_POSZ, "B", "Axis to bake in blue channel");
RNA_def_enum(ot->srna, "save_mode", rna_enum_bake_save_mode_items, R_BAKE_SAVE_INTERNAL, "Save Mode",
"Choose how to save the baking map");
RNA_def_boolean(ot->srna, "use_clear", false, "Clear",
"Clear Images before baking (only for internal saving)");
RNA_def_boolean(ot->srna, "use_cage", false, "Cage",
"Cast rays to active object from a cage");
RNA_def_boolean(ot->srna, "use_split_materials", false, "Split Materials",
"Split baked maps per material, using material name in output file (external only)");
RNA_def_boolean(ot->srna, "use_automatic_name", false, "Automatic Name",
"Automatically name the output file with the pass type");
RNA_def_string(ot->srna, "uv_layer", NULL, MAX_CUSTOMDATA_LAYER_NAME, "UV Layer", "UV layer to override active");
}
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