void TextureBaseOperation::initExecution()
{
this->m_inputOffset = getInputSocketReader(0);
this->m_inputSize = getInputSocketReader(1);
this->m_pool = BKE_image_pool_new();
if (this->m_texture != NULL && this->m_texture->nodetree != NULL && this->m_texture->use_nodes) {
ntreeTexBeginExecTree(this->m_texture->nodetree);
}
NodeOperation::initExecution();
}
static void *group_initexec(bNode *node)
{
bNodeTree *ngroup= (bNodeTree*)node->id;
void *exec;
/* initialize the internal node tree execution */
exec = ntreeTexBeginExecTree(ngroup, 0);
return exec;
}
int ntreeTexExecTree(
bNodeTree *nodes,
TexResult *texres,
float co[3],
float dxt[3], float dyt[3],
int osatex,
const 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.do_manage = (shi) ? shi->do_manage : true;
data.thread = thread;
data.which_output = which_output;
data.cfra = cfra;
data.mtex = mtex;
data.shi = shi;
/* ensure execdata is only initialized once */
if (!exec) {
BLI_lock_thread(LOCK_NODES);
if (!nodes->execdata)
ntreeTexBeginExecTree(nodes);
BLI_unlock_thread(LOCK_NODES);
exec = nodes->execdata;
}
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;
}
/* check if texture nodes need exec or end */
static void ntree_composite_texnode(bNodeTree *ntree, int init)
{
bNode *node;
for (node= ntree->nodes.first; node; node= node->next) {
if (node->type==CMP_NODE_TEXTURE && node->id) {
Tex *tex= (Tex *)node->id;
if (tex->nodetree && tex->use_nodes) {
/* has internal flag to detect it only does it once */
if (init) {
if (!tex->nodetree->execdata)
tex->nodetree->execdata = ntreeTexBeginExecTree(tex->nodetree, 1);
}
else
ntreeTexEndExecTree(tex->nodetree->execdata, 1);
tex->nodetree->execdata = NULL;
}
}
}
}