/* optimized tree execute test for compositing */
static void ntreeCompositExecTreeOld(bNodeTree *ntree, RenderData *rd, int do_preview)
{
bNodeExec *nodeexec;
bNode *node;
ListBase threads;
ThreadData thdata;
int totnode, curnode, rendering = TRUE, n;
bNodeTreeExec *exec = ntree->execdata;
if (do_preview)
ntreeInitPreview(ntree, 0, 0);
if (!ntree->execdata) {
/* XXX this is the top-level tree, so we use the ntree->execdata pointer. */
exec = ntreeCompositBeginExecTree(ntree, 1);
}
ntree_composite_texnode(ntree, 1);
/* prevent unlucky accidents */
if (G.background)
rd->scemode &= ~R_COMP_CROP;
/* setup callerdata for thread callback */
thdata.rd= rd;
thdata.stack= exec->stack;
/* fixed seed, for example noise texture */
BLI_srandom(rd->cfra);
/* sets need_exec tags in nodes */
curnode = totnode= setExecutableNodes(exec, &thdata);
BLI_init_threads(&threads, exec_composite_node, rd->threads);
while (rendering) {
if (BLI_available_threads(&threads)) {
nodeexec= getExecutableNode(exec);
if (nodeexec) {
node = nodeexec->node;
if (ntree->progress && totnode)
ntree->progress(ntree->prh, (1.0f - curnode/(float)totnode));
if (ntree->stats_draw) {
char str[128];
BLI_snprintf(str, sizeof(str), "Compositing %d %s", curnode, node->name);
ntree->stats_draw(ntree->sdh, str);
}
curnode--;
node->threaddata = &thdata;
node->exec= NODE_PROCESSING;
BLI_insert_thread(&threads, nodeexec);
}
else
PIL_sleep_ms(50);
}
else
PIL_sleep_ms(50);
rendering= 0;
/* test for ESC */
if (ntree->test_break && ntree->test_break(ntree->tbh)) {
for (node= ntree->nodes.first; node; node= node->next)
node->exec |= NODE_READY;
}
/* check for ready ones, and if we need to continue */
for (n=0, nodeexec=exec->nodeexec; n < exec->totnodes; ++n, ++nodeexec) {
node = nodeexec->node;
if (node->exec & NODE_READY) {
if ((node->exec & NODE_FINISHED)==0) {
BLI_remove_thread(&threads, nodeexec); /* this waits for running thread to finish btw */
node->exec |= NODE_FINISHED;
/* freeing unused buffers */
if (rd->scemode & R_COMP_FREE)
freeExecutableNode(exec);
}
}
else rendering= 1;
}
}
BLI_end_threads(&threads);
/* XXX top-level tree uses the ntree->execdata pointer */
ntreeCompositEndExecTree(exec, 1);
}
static void group_freeexec(bNode *UNUSED(node), void *nodedata)
{
bNodeTreeExec *gexec= (bNodeTreeExec*)nodedata;
ntreeCompositEndExecTree(gexec, 0);
}
