diff options
Diffstat (limited to 'source/blender/nodes/texture/node_texture_tree.c')
| -rw-r--r-- | source/blender/nodes/texture/node_texture_tree.c | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/source/blender/nodes/texture/node_texture_tree.c b/source/blender/nodes/texture/node_texture_tree.c new file mode 100644 index 00000000000..75a57c64f2f --- /dev/null +++ b/source/blender/nodes/texture/node_texture_tree.c @@ -0,0 +1,237 @@ +/** + * ***** BEGIN GPL LICENSE BLOCK ***** + * + * 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) 2007 Blender Foundation. + * All rights reserved. + * + * The Original Code is: all of this file. + * + * Contributor(s): + * + * ***** END GPL LICENSE BLOCK ***** + */ + +/** \file blender/nodes/texture/node_texture_tree.c + * \ingroup nodes + */ + + +#include <string.h> + +#include "DNA_texture_types.h" +#include "DNA_node_types.h" + +#include "BLI_listbase.h" +#include "BLI_threads.h" +#include "BLI_utildefines.h" + +#include "BKE_global.h" +#include "BKE_main.h" +#include "BKE_node.h" + +#include "node_exec.h" +#include "node_util.h" +#include "NOD_texture.h" +#include "node_texture_util.h" + +#include "RE_pipeline.h" +#include "RE_shader_ext.h" + + +static void foreach_nodetree(Main *main, void *calldata, bNodeTreeCallback func) +{ + Tex *tx; + for(tx= main->tex.first; tx; tx= tx->id.next) { + if(tx->nodetree) { + func(calldata, &tx->id, tx->nodetree); + } + } +} + +static void local_sync(bNodeTree *localtree, bNodeTree *ntree) +{ + bNode *lnode; + + /* copy over contents of previews */ + for(lnode= localtree->nodes.first; lnode; lnode= lnode->next) { + if(ntreeNodeExists(ntree, lnode->new_node)) { + bNode *node= lnode->new_node; + + if(node->preview && node->preview->rect) { + if(lnode->preview && lnode->preview->rect) { + int xsize= node->preview->xsize; + int ysize= node->preview->ysize; + memcpy(node->preview->rect, lnode->preview->rect, 4*xsize + xsize*ysize*sizeof(char)*4); + } + } + } + } +} + +bNodeTreeType ntreeType_Texture = { + /* type */ NTREE_TEXTURE, + /* id_name */ "NTTexture Nodetree", + + /* node_types */ { NULL, NULL }, + + /* free_cache */ NULL, + /* free_node_cache */ NULL, + /* foreach_nodetree */ foreach_nodetree, + /* localize */ NULL, + /* local_sync */ local_sync, + /* local_merge */ NULL, + /* update */ NULL, + /* update_node */ NULL +}; + +int ntreeTexTagAnimated(bNodeTree *ntree) +{ + bNode *node; + + if(ntree==NULL) return 0; + + for(node= ntree->nodes.first; node; node= node->next) { + if(node->type==TEX_NODE_CURVE_TIME) { + NodeTagChanged(ntree, node); + return 1; + } + else if(node->type==NODE_GROUP) { + if( ntreeTexTagAnimated((bNodeTree *)node->id) ) { + return 1; + } + } + } + + return 0; +} + +bNodeTreeExec *ntreeTexBeginExecTree(bNodeTree *ntree) +{ + bNodeTreeExec *exec; + bNode *node; + + /* XXX hack: prevent exec data from being generated twice. + * this should be handled by the renderer! + */ + if (ntree->execdata) + return ntree->execdata; + + /* common base initialization */ + exec = ntree_exec_begin(ntree); + + /* allocate the thread stack listbase array */ + exec->threadstack= MEM_callocN(BLENDER_MAX_THREADS*sizeof(ListBase), "thread stack array"); + + for(node= exec->nodetree->nodes.first; node; node= node->next) + node->need_exec= 1; + + /* XXX this should not be necessary, but is still used for cmp/sha/tex nodes, + * which only store the ntree pointer. Should be fixed at some point! + */ + ntree->execdata = exec; + + return exec; +} + +/* free texture delegates */ +static void tex_free_delegates(bNodeTreeExec *exec) +{ + bNodeThreadStack *nts; + bNodeStack *ns; + int th, a; + + for(th=0; th<BLENDER_MAX_THREADS; th++) + for(nts=exec->threadstack[th].first; nts; nts=nts->next) + for(ns= nts->stack, a=0; a<exec->stacksize; a++, ns++) + if(ns->data && !ns->is_copy) + MEM_freeN(ns->data); +} + +void ntreeTexEndExecTree(bNodeTreeExec *exec) +{ + if(exec) { + bNodeTree *ntree= exec->nodetree; + bNodeThreadStack *nts; + int a; + + if(exec->threadstack) { + tex_free_delegates(exec); + + for(a=0; a<BLENDER_MAX_THREADS; a++) { + for(nts=exec->threadstack[a].first; nts; nts=nts->next) + if (nts->stack) MEM_freeN(nts->stack); + BLI_freelistN(&exec->threadstack[a]); + } + + MEM_freeN(exec->threadstack); + exec->threadstack= NULL; + } + + ntree_exec_end(exec); + + /* XXX clear nodetree backpointer to exec data, same problem as noted in ntreeBeginExecTree */ + ntree->execdata = NULL; + } +} + +int ntreeTexExecTree( + bNodeTree *nodes, + TexResult *texres, + float *co, + float *dxt, float *dyt, + int osatex, + short thread, + Tex *UNUSED(tex), + short which_output, + int cfra, + int preview, + ShadeInput *shi, + MTex *mtex +){ + TexCallData data; + float *nor= texres->nor; + int retval = TEX_INT; + bNodeThreadStack *nts = NULL; + bNodeTreeExec *exec= nodes->execdata; + + data.co = co; + data.dxt = dxt; + data.dyt = dyt; + data.osatex = osatex; + data.target = texres; + data.do_preview = preview; + data.thread = thread; + data.which_output = which_output; + data.cfra= cfra; + data.mtex= mtex; + data.shi= shi; + + if (!exec) + exec = ntreeTexBeginExecTree(nodes); + + nts= ntreeGetThreadStack(exec, thread); + ntreeExecThreadNodes(exec, nts, &data, thread); + ntreeReleaseThreadStack(nts); + + if(texres->nor) retval |= TEX_NOR; + retval |= TEX_RGB; + /* confusing stuff; the texture output node sets this to NULL to indicate no normal socket was set + however, the texture code checks this for other reasons (namely, a normal is required for material) */ + texres->nor= nor; + + return retval; +} |