Differential D10157 Diff 32955 source/blender/blenkernel/intern/particle_system.c

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source/blender/blenkernel/intern/particle_system.c

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	void psys_tasks_create(ParticleThreadContext *ctx,			void psys_tasks_create(ParticleThreadContext *ctx,
	int startpart,			int startpart,
	int endpart,			int endpart,
	ParticleTask **r_tasks,			ParticleTask **r_tasks,
	int *r_numtasks)			int *r_numtasks)
	{			{
	ParticleTask *tasks;			ParticleTask *tasks;
	int numtasks = min_ii(BLI_system_thread_count() * 4, endpart - startpart);			int numtasks = min_ii(BLI_system_thread_count() * 4, endpart - startpart);
	float particles_per_task = numtasks > 0 ? (float)(endpart - startpart) / (float)numtasks : 0;			int particles_per_task = numtasks > 0 ? (endpart - startpart) / numtasks : 0;
				int remainder = numtasks > 0 ? (endpart - startpart) - particles_per_task * numtasks : 0;
				oxbenUnsubmitted Done Inline Actions Out of curiosity, why not use the modulo operator here ? int remainder = numtasks > 0 ? (endpart - startpart) % numtasks : 0; oxben: Out of curiosity, why not use the modulo operator here ? int remainder = numtasks > 0 ?

	tasks = MEM_callocN(sizeof(ParticleTask) * numtasks, "ParticleThread");			tasks = MEM_callocN(sizeof(ParticleTask) * numtasks, "ParticleThread");
	*r_numtasks = numtasks;			*r_numtasks = numtasks;
	*r_tasks = tasks;			*r_tasks = tasks;

	float pnext;			int p = startpart;
	float p = (float)startpart;			for (int i = 0; i < numtasks; i++) {
	for (int i = 0; i < numtasks; i++, p = pnext) {
	pnext = p + particles_per_task;

	tasks[i].ctx = ctx;			tasks[i].ctx = ctx;
	tasks[i].begin = (int)p;			tasks[i].begin = p;
	tasks[i].end = min_ii((int)pnext, endpart);			p = p + particles_per_task + (i < remainder ? 1 : 0);
				tasks[i].end = p;
				}

				/* Verify that all particles are accounted for. */
				if (numtasks > 0) {
				BLI_assert(tasks[numtasks - 1].end == endpart);
	}			}
	}			}

	void psys_tasks_free(ParticleTask *tasks, int numtasks)			void psys_tasks_free(ParticleTask *tasks, int numtasks)
	{			{
	int i;			int i;

	/* threads */			/* threads */
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