Differential D7385 Diff 23593 source/blender/blenkernel/intern/ocean.c

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source/blender/blenkernel/intern/ocean.c

Show First 20 Lines • Show All 674 Lines • ▼ Show 20 Lines	void BKE_ocean_simulate(struct Ocean *o, float t, float scale, float chop_amount)

scale *= o->normalize_factor;		scale *= o->normalize_factor;

osd.o = o;		osd.o = o;
osd.t = t;		osd.t = t;
osd.scale = scale;		osd.scale = scale;
osd.chop_amount = chop_amount;		osd.chop_amount = chop_amount;

pool = BLI_task_pool_create(scheduler, &osd);		pool = BLI_task_pool_create(scheduler, &osd, TASK_PRIORITY_HIGH);

BLI_rw_mutex_lock(&o->oceanmutex, THREAD_LOCK_WRITE);		BLI_rw_mutex_lock(&o->oceanmutex, THREAD_LOCK_WRITE);

/* Note about multi-threading here: we have to run a first set of computations (htilda one)		/* Note about multi-threading here: we have to run a first set of computations (htilda one)
* before we can run all others, since they all depend on it.		* before we can run all others, since they all depend on it.
* So we make a first parallelized forloop run for htilda,		* So we make a first parallelized forloop run for htilda,
* and then pack all other computations into a set of parallel tasks.		* and then pack all other computations into a set of parallel tasks.
* This is not optimal in all cases,		* This is not optimal in all cases,
* but remains reasonably simple and should be OK most of the time. */		* but remains reasonably simple and should be OK most of the time. */

/* compute a new htilda */		/* compute a new htilda */
TaskParallelSettings settings;		TaskParallelSettings settings;
BLI_parallel_range_settings_defaults(&settings);		BLI_parallel_range_settings_defaults(&settings);
settings.use_threading = (o->_M > 16);		settings.use_threading = (o->_M > 16);
BLI_task_parallel_range(0, o->_M, &osd, ocean_compute_htilda, &settings);		BLI_task_parallel_range(0, o->_M, &osd, ocean_compute_htilda, &settings);

if (o->_do_disp_y) {		if (o->_do_disp_y) {
BLI_task_pool_push(pool, ocean_compute_displacement_y, NULL, false, TASK_PRIORITY_HIGH);		BLI_task_pool_push(pool, ocean_compute_displacement_y, NULL, false, NULL);
}		}

if (o->_do_chop) {		if (o->_do_chop) {
BLI_task_pool_push(pool, ocean_compute_displacement_x, NULL, false, TASK_PRIORITY_HIGH);		BLI_task_pool_push(pool, ocean_compute_displacement_x, NULL, false, NULL);
BLI_task_pool_push(pool, ocean_compute_displacement_z, NULL, false, TASK_PRIORITY_HIGH);		BLI_task_pool_push(pool, ocean_compute_displacement_z, NULL, false, NULL);
}		}

if (o->_do_jacobian) {		if (o->_do_jacobian) {
BLI_task_pool_push(pool, ocean_compute_jacobian_jxx, NULL, false, TASK_PRIORITY_HIGH);		BLI_task_pool_push(pool, ocean_compute_jacobian_jxx, NULL, false, NULL);
BLI_task_pool_push(pool, ocean_compute_jacobian_jzz, NULL, false, TASK_PRIORITY_HIGH);		BLI_task_pool_push(pool, ocean_compute_jacobian_jzz, NULL, false, NULL);
BLI_task_pool_push(pool, ocean_compute_jacobian_jxz, NULL, false, TASK_PRIORITY_HIGH);		BLI_task_pool_push(pool, ocean_compute_jacobian_jxz, NULL, false, NULL);
}		}

if (o->_do_normals) {		if (o->_do_normals) {
BLI_task_pool_push(pool, ocean_compute_normal_x, NULL, false, TASK_PRIORITY_HIGH);		BLI_task_pool_push(pool, ocean_compute_normal_x, NULL, false, NULL);
BLI_task_pool_push(pool, ocean_compute_normal_z, NULL, false, TASK_PRIORITY_HIGH);		BLI_task_pool_push(pool, ocean_compute_normal_z, NULL, false, NULL);
o->_N_y = 1.0f / scale;		o->_N_y = 1.0f / scale;
}		}

BLI_task_pool_work_and_wait(pool);		BLI_task_pool_work_and_wait(pool);

BLI_rw_mutex_unlock(&o->oceanmutex);		BLI_rw_mutex_unlock(&o->oceanmutex);

BLI_task_pool_free(pool);		BLI_task_pool_free(pool);
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