Differential D4954 Diff 15661 source/blender/blenkernel/intern/mesh_runtime.c

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source/blender/blenkernel/intern/mesh_runtime.c

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	#include "DNA_mesh_types.h"			#include "DNA_mesh_types.h"
	#include "DNA_meshdata_types.h"			#include "DNA_meshdata_types.h"
	#include "DNA_object_types.h"			#include "DNA_object_types.h"

	#include "BLI_math_geom.h"			#include "BLI_math_geom.h"
	#include "BLI_threads.h"			#include "BLI_threads.h"

	#include "BKE_bvhutils.h"			#include "BKE_bvhutils.h"
				#include "BKE_library.h"
	#include "BKE_mesh.h"			#include "BKE_mesh.h"
	#include "BKE_mesh_runtime.h"			#include "BKE_mesh_runtime.h"
	#include "BKE_subdiv_ccg.h"			#include "BKE_subdiv_ccg.h"
	#include "BKE_shrinkwrap.h"			#include "BKE_shrinkwrap.h"

	/* -------------------------------------------------------------------- */			/* -------------------------------------------------------------------- */
	/** \name Mesh Runtime Struct Utils			/** \name Mesh Runtime Struct Utils
	* \{ */			* \{ */

	static ThreadRWMutex loops_cache_lock = PTHREAD_RWLOCK_INITIALIZER;			static ThreadRWMutex loops_cache_lock = PTHREAD_RWLOCK_INITIALIZER;

	/**			/**
	* Default values defined at read time.			* Default values defined at read time.
	*/			*/
	void BKE_mesh_runtime_reset(Mesh *mesh)			void BKE_mesh_runtime_reset(Mesh *mesh)
	{			{
	memset(&mesh->runtime, 0, sizeof(mesh->runtime));			memset(&mesh->runtime, 0, sizeof(mesh->runtime));
				mesh->runtime.eval_mutex = MEM_mallocN(sizeof(ThreadMutex), "mesh runtime eval_mutex");
				BLI_mutex_init(mesh->runtime.eval_mutex);
	}			}

	/* Clear all pointers which we don't want to be shared on copying the datablock.			/* Clear all pointers which we don't want to be shared on copying the datablock.
	* However, keep all the flags which defines what the mesh is (for example, that			* However, keep all the flags which defines what the mesh is (for example, that
	* it's deformed only, or that its custom data layers are out of date.) */			* it's deformed only, or that its custom data layers are out of date.) */
	void BKE_mesh_runtime_reset_on_copy(Mesh *mesh, const int UNUSED(flag))			void BKE_mesh_runtime_reset_on_copy(Mesh *mesh, const int UNUSED(flag))
	{			{
	Mesh_Runtime *runtime = &mesh->runtime;			Mesh_Runtime *runtime = &mesh->runtime;

				runtime->mesh_eval = NULL;
	runtime->edit_data = NULL;			runtime->edit_data = NULL;
	runtime->batch_cache = NULL;			runtime->batch_cache = NULL;
	runtime->subdiv_ccg = NULL;			runtime->subdiv_ccg = NULL;
	memset(&runtime->looptris, 0, sizeof(runtime->looptris));			memset(&runtime->looptris, 0, sizeof(runtime->looptris));
	runtime->bvh_cache = NULL;			runtime->bvh_cache = NULL;
	runtime->shrinkwrap_data = NULL;			runtime->shrinkwrap_data = NULL;

				mesh->runtime.eval_mutex = MEM_mallocN(sizeof(ThreadMutex), "mesh runtime eval_mutex");
				BLI_mutex_init(mesh->runtime.eval_mutex);
	}			}

	void BKE_mesh_runtime_clear_cache(Mesh *mesh)			void BKE_mesh_runtime_clear_cache(Mesh *mesh)
	{			{
				if (mesh->runtime.eval_mutex != NULL) {
				BLI_mutex_end(mesh->runtime.eval_mutex);
				mont29Unsubmitted Not Done Inline Actions Aren’t you supposed to call `BLI_mutex_end()` first? mont29: Aren’t you supposed to call `BLI_mutex_end()` first?
				sergeyAuthorUnsubmitted Done Inline Actions That is a very good point! sergey: That is a very good point!
				MEM_freeN(mesh->runtime.eval_mutex);
				mesh->runtime.eval_mutex = NULL;
				}
				if (mesh->runtime.mesh_eval != NULL) {
				mont29Unsubmitted Not Done Inline Actions Pretty sure pointers should be set to NULL here? mont29: Pretty sure pointers should be set to NULL here?
				sergeyAuthorUnsubmitted Done Inline Actions Not strictly speaking necessary i guess: the function is more like `BKE_mesh_runtime_free`. But think it's indeed better to zero stuff out. Not sure whether i should bother with clearing rest of the pointers though. sergey: Not strictly speaking necessary i guess: the function is more like `BKE_mesh_runtime_free`. But…
				mesh->runtime.mesh_eval->edit_mesh = NULL;
				BKE_id_free(NULL, mesh->runtime.mesh_eval);
				mesh->runtime.mesh_eval = NULL;
				}
	BKE_mesh_runtime_clear_geometry(mesh);			BKE_mesh_runtime_clear_geometry(mesh);
	BKE_mesh_batch_cache_free(mesh);			BKE_mesh_batch_cache_free(mesh);
	BKE_mesh_runtime_clear_edit_data(mesh);			BKE_mesh_runtime_clear_edit_data(mesh);
	}			}

	/* This is a ported copy of DM_ensure_looptri_data(dm) */			/* This is a ported copy of DM_ensure_looptri_data(dm) */
	/**			/**
	* Ensure the array is large enough			* Ensure the array is large enough
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