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Differential D7475 Diff 23940 source/blender/blenkernel/intern/particle_distribute.c

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source/blender/blenkernel/intern/particle_distribute.c

Show First 20 Lines • Show All 767 Lines • ▼ Show 20 Lines if (ctx->tree) {
cpa->parent = cpa->pa[0]; cpa->parent = cpa->pa[0];
} }
if (rng_skip_tot > 0) { /* should never be below zero */ if (rng_skip_tot > 0) { /* should never be below zero */
BLI_rng_skip(thread->rng, rng_skip_tot); BLI_rng_skip(thread->rng, rng_skip_tot);
} }
} }
static void exec_distribute_parent(TaskPool *__restrict UNUSED(pool), static void exec_distribute_parent(TaskPool *__restrict UNUSED(pool), void *taskdata)
void *taskdata,
int UNUSED(threadid))
{ {
ParticleTask *task = taskdata; ParticleTask *task = taskdata;
ParticleSystem *psys = task->ctx->sim.psys; ParticleSystem *psys = task->ctx->sim.psys;
ParticleData *pa; ParticleData *pa;
int p; int p;
BLI_rng_skip(task->rng, PSYS_RND_DIST_SKIP * task->begin); BLI_rng_skip(task->rng, PSYS_RND_DIST_SKIP * task->begin);
Show All 12 Lines switch (psys->part->from) {
case PART_FROM_VERT: case PART_FROM_VERT:
for (p = task->begin; p < task->end; p++, pa++) { for (p = task->begin; p < task->end; p++, pa++) {
distribute_from_verts_exec(task, pa, p); distribute_from_verts_exec(task, pa, p);
} }
break; break;
} }
} }
static void exec_distribute_child(TaskPool *__restrict UNUSED(pool), static void exec_distribute_child(TaskPool *__restrict UNUSED(pool), void *taskdata)
void *taskdata,
int UNUSED(threadid))
{ {
ParticleTask *task = taskdata; ParticleTask *task = taskdata;
ParticleSystem *psys = task->ctx->sim.psys; ParticleSystem *psys = task->ctx->sim.psys;
ChildParticle *cpa; ChildParticle *cpa;
int p; int p;
/* RNG skipping at the beginning */ /* RNG skipping at the beginning */
cpa = psys->child; cpa = psys->child;
▲ Show 20 Lines • Show All 501 Lines • ▼ Show 20 Linesstatic void psys_task_init_distribute(ParticleTask *task, ParticleSimulationData *sim)
/* init random number generator */ /* init random number generator */
int seed = 31415926 + sim->psys->seed; int seed = 31415926 + sim->psys->seed;
task->rng = BLI_rng_new(seed); task->rng = BLI_rng_new(seed);
} }
static void distribute_particles_on_dm(ParticleSimulationData *sim, int from) static void distribute_particles_on_dm(ParticleSimulationData *sim, int from)
{ {
TaskScheduler *task_scheduler;
TaskPool *task_pool; TaskPool *task_pool;
ParticleThreadContext ctx; ParticleThreadContext ctx;
ParticleTask *tasks; ParticleTask *tasks;
Mesh *final_mesh = sim->psmd->mesh_final; Mesh *final_mesh = sim->psmd->mesh_final;
int i, totpart, numtasks; int i, totpart, numtasks;
/* create a task pool for distribution tasks */ /* create a task pool for distribution tasks */
if (!psys_thread_context_init_distribute(&ctx, sim, from)) { if (!psys_thread_context_init_distribute(&ctx, sim, from)) {
return; return;
} }
task_scheduler = BLI_task_scheduler_get(); task_pool = BLI_task_pool_create(&ctx, TASK_PRIORITY_LOW);
task_pool = BLI_task_pool_create(task_scheduler, &ctx, TASK_PRIORITY_LOW);
totpart = (from == PART_FROM_CHILD ? sim->psys->totchild : sim->psys->totpart); totpart = (from == PART_FROM_CHILD ? sim->psys->totchild : sim->psys->totpart);
psys_tasks_create(&ctx, 0, totpart, &tasks, &numtasks); psys_tasks_create(&ctx, 0, totpart, &tasks, &numtasks);
for (i = 0; i < numtasks; i++) { for (i = 0; i < numtasks; i++) {
ParticleTask *task = &tasks[i]; ParticleTask *task = &tasks[i];
psys_task_init_distribute(task, sim); psys_task_init_distribute(task, sim);
if (from == PART_FROM_CHILD) { if (from == PART_FROM_CHILD) {
▲ Show 20 Lines • Show All 52 Lines • Show Last 20 Lines