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Bake-API: allow custom UV to be baked 

Note: the custom UV option is only available when calling the operator
via a script. It's currently not exposed in the UI since it's intended
to be used by scripters

To test it:
bpy.ops.object.bake(type='UV', use_clear=True, uv_layer='MyNewUV')

Reviewers: campbellbarton

Differential Revision: https://developer.blender.org/D546
This commit is contained in:
Dalai Felinto 2014-06-17 12:16:02 -03:00
parent fa257adf96
commit fd0b74280e
Notes: blender-bot 2023-02-14 10:37:49 +01:00 
Referenced by commit 1ef5669ad7, Fixup for fd0b7428 Bake-API: allow custom UV to be baked
3 changed files with 35 additions and 11 deletions
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33
source/blender/editors/object/object_bake_api.c
View File

@ -495,6 +495,7 @@ typedef struct BakeAPIRender {
int normal_space;
BakeNormalSwizzle normal_swizzle[3];
char uv_layer[MAX_CUSTOMDATA_LAYER_NAME];
char custom_cage[MAX_NAME];
char filepath[FILE_MAX];
@ -516,7 +517,7 @@ static int bake(
const bool is_automatic_name, const bool is_selected_to_active, const bool is_cage,
const float cage_extrusion, const int normal_space, const BakeNormalSwizzle normal_swizzle[],
const char *custom_cage, const char *filepath, const int width, const int height,
const char *identifier, ScrArea *sa)
const char *identifier, ScrArea *sa, const char *uv_layer)
{
int op_result = OPERATOR_CANCELLED;
bool ok = false;
@ -552,6 +553,15 @@ static int bake(
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,
@ -644,7 +654,7 @@ static int bake(
/* 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);
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) {
@ -688,7 +698,7 @@ static int bake(
/* get the cage mesh as it arrives in the renderer */
me_cage = BKE_mesh_new_from_object(bmain, scene, ob_low, 1, 2, 1, 0);
RE_bake_pixels_populate(me_cage, pixel_array_low, num_pixels, &bake_images);
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");
@ -827,7 +837,7 @@ static int bake(
}
me_nores = BKE_mesh_new_from_object(bmain, scene, ob_low, 1, 2, 1, 0);
RE_bake_pixels_populate(me_nores, pixel_array_low, num_pixels, &bake_images);
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->obmat);
BKE_libblock_free(bmain, me_nores);
@ -1009,6 +1019,8 @@ static void bake_init_api_data(wmOperator *op, bContext *C, BakeAPIRender *bkr)
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) {
@ -1048,7 +1060,8 @@ static int bake_exec(bContext *C, wmOperator *op)
bkr.pass_type, 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.custom_cage, bkr.filepath, bkr.width, bkr.height, bkr.identifier, bkr.sa,
bkr.uv_layer);
}
else {
CollectionPointerLink *link;
@ -1060,7 +1073,8 @@ static int bake_exec(bContext *C, wmOperator *op)
bkr.pass_type, 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.custom_cage, bkr.filepath, bkr.width, bkr.height, bkr.identifier, bkr.sa,
bkr.uv_layer);
}
}
@ -1088,7 +1102,8 @@ static void bake_startjob(void *bkv, short *UNUSED(stop), short *UNUSED(do_updat
bkr->pass_type, 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->custom_cage, bkr->filepath, bkr->width, bkr->height, bkr->identifier, bkr->sa,
bkr->uv_layer);
}
else {
CollectionPointerLink *link;
@ -1100,7 +1115,8 @@ static void bake_startjob(void *bkv, short *UNUSED(stop), short *UNUSED(do_updat
bkr->pass_type, 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->custom_cage, bkr->filepath, bkr->width, bkr->height, bkr->identifier, bkr->sa,
bkr->uv_layer);
if (bkr->result == OPERATOR_CANCELLED)
return;
@ -1286,4 +1302,5 @@ void OBJECT_OT_bake(wmOperatorType *ot)
"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");
}

2
source/blender/render/extern/include/RE_bake.h vendored
View File

@ -87,7 +87,7 @@ bool RE_bake_pixels_populate_from_objects(
void RE_bake_pixels_populate(
struct Mesh *me, struct BakePixel *pixel_array,
const int num_pixels, const struct BakeImages *bake_images);
const int num_pixels, const struct BakeImages *bake_images, const char *uv_layer);
void RE_bake_mask_fill(const BakePixel pixel_array[], const int num_pixels, char *mask);

11
source/blender/render/intern/source/bake_api.c
View File

@ -594,7 +594,7 @@ static void bake_differentials(BakeDataZSpan *bd, const float *uv1, const float
void RE_bake_pixels_populate(
Mesh *me, BakePixel pixel_array[],
const int num_pixels, const BakeImages *bake_images)
const int num_pixels, const BakeImages *bake_images, const char *uv_layer)
{
BakeDataZSpan bd;
int i, a;
@ -619,7 +619,14 @@ void RE_bake_pixels_populate(
zbuf_alloc_span(&bd.zspan[i], bake_images->data[i].width, bake_images->data[i].height, R.clipcrop);
}
mtface = CustomData_get_layer(&me->fdata, CD_MTFACE);
if (uv_layer == NULL) {
mtface = CustomData_get_layer(&me->fdata, CD_MTFACE);
}
else {
int uv_id = CustomData_get_named_layer(&me->fdata, CD_MTFACE, uv_layer);
mtface = CustomData_get_layer_n(&me->fdata, CD_MTFACE, uv_id);
}
mface = CustomData_get_layer(&me->fdata, CD_MFACE);
if (mtface == NULL)