Makes the follow changes: - Add new `deform*` and `apply*` function pointers to `ModifierTypeInfo` that take `Mesh`, and rename the old functions to indicate that they take `DerivedMesh`. These new functions are currently set to `NULL` for all modifiers. - Add wrapper `modifier_deform*` and `modifier_apply*` functions in two variants: one that works with `Mesh` and the other which works with `DerivedMesh` that is named with `*_DM_depercated`. These functions check which type of data the modifier supports and converts if necessary - Update the rest of Blender to be aware and make use of these new functions The goal of these changes is to make it possible to port to using `Mesh` incrementally without ever needing to enter into a state where modifiers don't work. After everything has been ported over the old functions and wrappers could be removed. Reviewers: campbellbarton, sergey, mont29 Subscribers: sybren Tags: #bf_blender_2.8 Differential Revision: https://developer.blender.org/D3155
435 lines
12 KiB
C
435 lines
12 KiB
C
/*
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* ***** BEGIN GPL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2005 by the Blender Foundation.
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* All rights reserved.
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*
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* Contributor(s): Daniel Dunbar
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* Ton Roosendaal,
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* Ben Batt,
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* Brecht Van Lommel,
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* Campbell Barton
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*
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* ***** END GPL LICENSE BLOCK *****
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*
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*/
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/** \file blender/modifiers/intern/MOD_displace.c
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* \ingroup modifiers
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*/
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#include "DNA_meshdata_types.h"
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#include "DNA_object_types.h"
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#include "BLI_utildefines.h"
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#include "BLI_math.h"
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#include "BLI_task.h"
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#include "BKE_cdderivedmesh.h"
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#include "BKE_library.h"
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#include "BKE_library_query.h"
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#include "BKE_image.h"
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#include "BKE_mesh.h"
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#include "BKE_modifier.h"
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#include "BKE_texture.h"
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#include "BKE_deform.h"
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#include "BKE_object.h"
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#include "MEM_guardedalloc.h"
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#include "MOD_util.h"
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#include "RE_shader_ext.h"
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/* Displace */
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static void initData(ModifierData *md)
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{
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DisplaceModifierData *dmd = (DisplaceModifierData *) md;
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dmd->texture = NULL;
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dmd->strength = 1;
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dmd->direction = MOD_DISP_DIR_NOR;
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dmd->midlevel = 0.5;
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dmd->space = MOD_DISP_SPACE_LOCAL;
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}
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static void copyData(ModifierData *md, ModifierData *target)
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{
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#if 0
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DisplaceModifierData *dmd = (DisplaceModifierData *) md;
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DisplaceModifierData *tdmd = (DisplaceModifierData *) target;
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#endif
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modifier_copyData_generic(md, target);
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}
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static CustomDataMask requiredDataMask(Object *UNUSED(ob), ModifierData *md)
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{
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DisplaceModifierData *dmd = (DisplaceModifierData *)md;
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CustomDataMask dataMask = 0;
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/* ask for vertexgroups if we need them */
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if (dmd->defgrp_name[0]) dataMask |= CD_MASK_MDEFORMVERT;
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/* ask for UV coordinates if we need them */
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if (dmd->texmapping == MOD_DISP_MAP_UV) dataMask |= CD_MASK_MTFACE;
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if (dmd->direction == MOD_DISP_DIR_CLNOR) {
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dataMask |= CD_MASK_CUSTOMLOOPNORMAL;
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}
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return dataMask;
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}
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static bool dependsOnTime(ModifierData *md)
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{
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DisplaceModifierData *dmd = (DisplaceModifierData *)md;
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if (dmd->texture) {
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return BKE_texture_dependsOnTime(dmd->texture);
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}
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else {
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return false;
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}
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}
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static bool dependsOnNormals(ModifierData *md)
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{
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DisplaceModifierData *dmd = (DisplaceModifierData *)md;
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return ELEM(dmd->direction, MOD_DISP_DIR_NOR, MOD_DISP_DIR_CLNOR);
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}
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static void foreachObjectLink(ModifierData *md, Object *ob,
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ObjectWalkFunc walk, void *userData)
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{
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DisplaceModifierData *dmd = (DisplaceModifierData *) md;
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walk(userData, ob, &dmd->map_object, IDWALK_CB_NOP);
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}
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static void foreachIDLink(ModifierData *md, Object *ob,
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IDWalkFunc walk, void *userData)
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{
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DisplaceModifierData *dmd = (DisplaceModifierData *) md;
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walk(userData, ob, (ID **)&dmd->texture, IDWALK_CB_USER);
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foreachObjectLink(md, ob, (ObjectWalkFunc)walk, userData);
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}
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static void foreachTexLink(ModifierData *md, Object *ob,
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TexWalkFunc walk, void *userData)
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{
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walk(userData, ob, md, "texture");
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}
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static bool isDisabled(ModifierData *md, int UNUSED(useRenderParams))
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{
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DisplaceModifierData *dmd = (DisplaceModifierData *) md;
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return ((!dmd->texture && dmd->direction == MOD_DISP_DIR_RGB_XYZ) || dmd->strength == 0.0f);
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}
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static void updateDepsgraph(ModifierData *md, const ModifierUpdateDepsgraphContext *ctx)
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{
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DisplaceModifierData *dmd = (DisplaceModifierData *)md;
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if (dmd->map_object != NULL && dmd->texmapping == MOD_DISP_MAP_OBJECT) {
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DEG_add_object_relation(ctx->node, dmd->map_object, DEG_OB_COMP_TRANSFORM, "Displace Modifier");
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}
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if (dmd->texmapping == MOD_DISP_MAP_GLOBAL ||
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(ELEM(dmd->direction, MOD_DISP_DIR_X, MOD_DISP_DIR_Y, MOD_DISP_DIR_Z, MOD_DISP_DIR_RGB_XYZ) &&
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dmd->space == MOD_DISP_SPACE_GLOBAL))
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{
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DEG_add_object_relation(ctx->node, ctx->object, DEG_OB_COMP_TRANSFORM, "Displace Modifier");
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}
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}
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typedef struct DisplaceUserdata {
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/*const*/ DisplaceModifierData *dmd;
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struct ImagePool *pool;
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MDeformVert *dvert;
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float weight;
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int defgrp_index;
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int direction;
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bool use_global_direction;
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float (*tex_co)[3];
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float (*vertexCos)[3];
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float local_mat[4][4];
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MVert *mvert;
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float (*vert_clnors)[3];
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} DisplaceUserdata;
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static void displaceModifier_do_task(
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void *__restrict userdata,
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const int iter,
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const ParallelRangeTLS *__restrict UNUSED(tls))
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{
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DisplaceUserdata *data = (DisplaceUserdata *)userdata;
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DisplaceModifierData *dmd = data->dmd;
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MDeformVert *dvert = data->dvert;
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float weight = data->weight;
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int defgrp_index = data->defgrp_index;
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int direction = data->direction;
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bool use_global_direction = data->use_global_direction;
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float (*tex_co)[3] = data->tex_co;
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float (*vertexCos)[3] = data->vertexCos;
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MVert *mvert = data->mvert;
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float (*vert_clnors)[3] = data->vert_clnors;
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const float delta_fixed = 1.0f - dmd->midlevel; /* when no texture is used, we fallback to white */
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TexResult texres;
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float strength = dmd->strength;
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float delta;
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float local_vec[3];
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if (dvert) {
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weight = defvert_find_weight(dvert + iter, defgrp_index);
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if (weight == 0.0f) {
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return;
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}
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}
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if (dmd->texture) {
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texres.nor = NULL;
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BKE_texture_get_value_ex(dmd->modifier.scene, dmd->texture, tex_co[iter], &texres, data->pool, false);
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delta = texres.tin - dmd->midlevel;
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}
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else {
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delta = delta_fixed; /* (1.0f - dmd->midlevel) */ /* never changes */
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}
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if (dvert) {
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strength *= weight;
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}
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delta *= strength;
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CLAMP(delta, -10000, 10000);
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switch (direction) {
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case MOD_DISP_DIR_X:
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if (use_global_direction) {
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vertexCos[iter][0] += delta * data->local_mat[0][0];
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vertexCos[iter][1] += delta * data->local_mat[1][0];
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vertexCos[iter][2] += delta * data->local_mat[2][0];
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}
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else {
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vertexCos[iter][0] += delta;
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}
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break;
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case MOD_DISP_DIR_Y:
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if (use_global_direction) {
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vertexCos[iter][0] += delta * data->local_mat[0][1];
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vertexCos[iter][1] += delta * data->local_mat[1][1];
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vertexCos[iter][2] += delta * data->local_mat[2][1];
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}
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else {
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vertexCos[iter][1] += delta;
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}
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break;
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case MOD_DISP_DIR_Z:
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if (use_global_direction) {
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vertexCos[iter][0] += delta * data->local_mat[0][2];
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vertexCos[iter][1] += delta * data->local_mat[1][2];
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vertexCos[iter][2] += delta * data->local_mat[2][2];
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}
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else {
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vertexCos[iter][2] += delta;
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}
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break;
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case MOD_DISP_DIR_RGB_XYZ:
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local_vec[0] = texres.tr - dmd->midlevel;
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local_vec[1] = texres.tg - dmd->midlevel;
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local_vec[2] = texres.tb - dmd->midlevel;
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if (use_global_direction) {
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mul_transposed_mat3_m4_v3(data->local_mat, local_vec);
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}
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mul_v3_fl(local_vec, strength);
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add_v3_v3(vertexCos[iter], local_vec);
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break;
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case MOD_DISP_DIR_NOR:
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vertexCos[iter][0] += delta * (mvert[iter].no[0] / 32767.0f);
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vertexCos[iter][1] += delta * (mvert[iter].no[1] / 32767.0f);
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vertexCos[iter][2] += delta * (mvert[iter].no[2] / 32767.0f);
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break;
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case MOD_DISP_DIR_CLNOR:
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madd_v3_v3fl(vertexCos[iter], vert_clnors[iter], delta);
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break;
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}
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}
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/* dm must be a CDDerivedMesh */
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static void displaceModifier_do(
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DisplaceModifierData *dmd, Object *ob,
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DerivedMesh *dm, float (*vertexCos)[3], int numVerts)
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{
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MVert *mvert;
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MDeformVert *dvert;
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int direction = dmd->direction;
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int defgrp_index;
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float (*tex_co)[3];
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float weight = 1.0f; /* init value unused but some compilers may complain */
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float (*vert_clnors)[3] = NULL;
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float local_mat[4][4] = {{0}};
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const bool use_global_direction = dmd->space == MOD_DISP_SPACE_GLOBAL;
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if (!dmd->texture && dmd->direction == MOD_DISP_DIR_RGB_XYZ) return;
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if (dmd->strength == 0.0f) return;
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mvert = CDDM_get_verts(dm);
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modifier_get_vgroup(ob, dm, dmd->defgrp_name, &dvert, &defgrp_index);
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if (dmd->texture) {
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tex_co = MEM_calloc_arrayN((size_t)numVerts, sizeof(*tex_co),
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"displaceModifier_do tex_co");
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get_texture_coords((MappingInfoModifierData *)dmd, ob, dm, vertexCos, tex_co, numVerts);
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modifier_init_texture(dmd->modifier.scene, dmd->texture);
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}
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else {
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tex_co = NULL;
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}
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if (direction == MOD_DISP_DIR_CLNOR) {
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CustomData *ldata = dm->getLoopDataLayout(dm);
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if (CustomData_has_layer(ldata, CD_CUSTOMLOOPNORMAL)) {
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float (*clnors)[3] = NULL;
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if ((dm->dirty & DM_DIRTY_NORMALS) || !CustomData_has_layer(ldata, CD_NORMAL)) {
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dm->calcLoopNormals(dm, true, (float)M_PI);
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}
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clnors = CustomData_get_layer(ldata, CD_NORMAL);
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vert_clnors = MEM_malloc_arrayN(numVerts, sizeof(*vert_clnors), __func__);
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BKE_mesh_normals_loop_to_vertex(numVerts, dm->getLoopArray(dm), dm->getNumLoops(dm),
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(const float (*)[3])clnors, vert_clnors);
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}
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else {
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direction = MOD_DISP_DIR_NOR;
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}
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}
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else if (ELEM(direction, MOD_DISP_DIR_X, MOD_DISP_DIR_Y, MOD_DISP_DIR_Z, MOD_DISP_DIR_RGB_XYZ) &&
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use_global_direction)
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{
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copy_m4_m4(local_mat, ob->obmat);
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}
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DisplaceUserdata data = {NULL};
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data.dmd = dmd;
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data.dvert = dvert;
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data.weight = weight;
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data.defgrp_index = defgrp_index;
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data.direction = direction;
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data.use_global_direction = use_global_direction;
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data.tex_co = tex_co;
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data.vertexCos = vertexCos;
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copy_m4_m4(data.local_mat, local_mat);
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data.mvert = mvert;
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data.vert_clnors = vert_clnors;
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if (dmd->texture != NULL) {
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data.pool = BKE_image_pool_new();
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BKE_texture_fetch_images_for_pool(dmd->texture, data.pool);
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}
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ParallelRangeSettings settings;
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BLI_parallel_range_settings_defaults(&settings);
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settings.use_threading = (numVerts > 512);
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BLI_task_parallel_range(0, numVerts,
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&data,
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displaceModifier_do_task,
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&settings);
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if (data.pool != NULL) {
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BKE_image_pool_free(data.pool);
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}
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if (tex_co) {
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MEM_freeN(tex_co);
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}
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if (vert_clnors) {
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MEM_freeN(vert_clnors);
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}
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}
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static void deformVerts(ModifierData *md, struct Depsgraph *UNUSED(depsgraph),
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Object *ob, DerivedMesh *derivedData,
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float (*vertexCos)[3],
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int numVerts,
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ModifierApplyFlag UNUSED(flag))
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{
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DerivedMesh *dm = get_cddm(ob, NULL, derivedData, vertexCos, dependsOnNormals(md));
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displaceModifier_do((DisplaceModifierData *)md, ob, dm,
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vertexCos, numVerts);
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if (dm != derivedData)
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dm->release(dm);
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}
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static void deformVertsEM(
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ModifierData *md, struct Depsgraph *UNUSED(depsgraph), Object *ob, struct BMEditMesh *editData,
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DerivedMesh *derivedData, float (*vertexCos)[3], int numVerts)
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{
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DerivedMesh *dm = get_cddm(ob, editData, derivedData, vertexCos, dependsOnNormals(md));
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displaceModifier_do((DisplaceModifierData *)md, ob, dm,
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vertexCos, numVerts);
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if (dm != derivedData)
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dm->release(dm);
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}
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ModifierTypeInfo modifierType_Displace = {
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/* name */ "Displace",
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/* structName */ "DisplaceModifierData",
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/* structSize */ sizeof(DisplaceModifierData),
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/* type */ eModifierTypeType_OnlyDeform,
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/* flags */ eModifierTypeFlag_AcceptsMesh |
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eModifierTypeFlag_SupportsEditmode,
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/* copyData */ copyData,
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/* deformVerts_DM */ deformVerts,
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/* deformMatrices_DM */ NULL,
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/* deformVertsEM_DM */ deformVertsEM,
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/* deformMatricesEM_DM*/NULL,
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/* applyModifier_DM */ NULL,
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/* applyModifierEM_DM */NULL,
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/* deformVerts */ NULL,
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/* deformMatrices */ NULL,
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/* deformVertsEM */ NULL,
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/* deformMatricesEM */ NULL,
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/* applyModifier */ NULL,
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/* applyModifierEM */ NULL,
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/* initData */ initData,
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/* requiredDataMask */ requiredDataMask,
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/* freeData */ NULL,
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/* isDisabled */ isDisabled,
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/* updateDepsgraph */ updateDepsgraph,
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/* dependsOnTime */ dependsOnTime,
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/* dependsOnNormals */ dependsOnNormals,
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/* foreachObjectLink */ foreachObjectLink,
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/* foreachIDLink */ foreachIDLink,
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/* foreachTexLink */ foreachTexLink,
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};
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