示例#1
0
void bvh_done<SVBVHTree>(SVBVHTree *obj)
{
	rtbuild_done(obj->builder, &obj->rayobj.control);
	
	//TODO find a away to exactly calculate the needed memory
	MemArena *arena1 = BLI_memarena_new(BLI_MEMARENA_STD_BUFSIZE);
					   BLI_memarena_use_malloc(arena1);

	MemArena *arena2 = BLI_memarena_new(BLI_MEMARENA_STD_BUFSIZE);
					   BLI_memarena_use_malloc(arena2);
					   BLI_memarena_use_align(arena2, 16);

	//Build and optimize the tree
	if(0)
	{
		VBVHNode *root = BuildBinaryVBVH<VBVHNode>(arena1,&obj->rayobj.control).transform(obj->builder);
		if(RE_rayobjectcontrol_test_break(&obj->rayobj.control))
		{
			BLI_memarena_free(arena1);
			BLI_memarena_free(arena2);
			return;
		}
		
		reorganize(root);
		remove_useless(root, &root);
		bvh_refit(root);
	
		pushup(root);
		pushdown(root);
		pushup_simd<VBVHNode,4>(root);
	
		obj->root = Reorganize_SVBVH<VBVHNode>(arena2).transform(root);
	}
	else
	{
		//Finds the optimal packing of this tree using a given cost model
		//TODO this uses quite a lot of memory, find ways to reduce memory usage during building
		OVBVHNode *root = BuildBinaryVBVH<OVBVHNode>(arena1,&obj->rayobj.control).transform(obj->builder);			
		if(RE_rayobjectcontrol_test_break(&obj->rayobj.control))
		{
			BLI_memarena_free(arena1);
			BLI_memarena_free(arena2);
			return;
		}

		VBVH_optimalPackSIMD<OVBVHNode,PackCost>(PackCost()).transform(root);
		obj->root = Reorganize_SVBVH<OVBVHNode>(arena2).transform(root);
	}

	
	//Free data
	BLI_memarena_free(arena1);
	
	obj->node_arena = arena2;
	obj->cost = 1.0;
	
	
	rtbuild_free( obj->builder );
	obj->builder = NULL;
}
示例#2
0
void BKE_mesh_loop_islands_free(MeshIslandStore *island_store)
{
	if (island_store->mem) {
		BLI_memarena_free(island_store->mem);
		island_store->mem = NULL;
	}
}
示例#3
0
void strand_shade_cache_free(StrandShadeCache *cache)
{
	BLI_ghash_free(cache->refcounthash, NULL, NULL);
	BLI_ghash_free(cache->resulthash, (GHashKeyFreeFP)MEM_freeN, NULL);
	BLI_memarena_free(cache->memarena);
	MEM_freeN(cache);
}
示例#4
0
void scatter_tree_free(ScatterTree *tree)
{
	if (tree->arena) BLI_memarena_free(tree->arena);
	if (tree->points) MEM_freeN(tree->points);
	if (tree->refpoints) MEM_freeN(tree->refpoints);
		
	MEM_freeN(tree);
}
示例#5
0
文件: scanfill.c 项目: sftd/blender
void BLI_scanfill_end(ScanFillContext *sf_ctx)
{
	BLI_memarena_free(sf_ctx->arena);
	sf_ctx->arena = NULL;

	BLI_listbase_clear(&sf_ctx->fillvertbase);
	BLI_listbase_clear(&sf_ctx->filledgebase);
	BLI_listbase_clear(&sf_ctx->fillfacebase);
}
/* Frees allocated memory */
static void freepolygonize(PROCESS *process)
{
	if (process->corners) MEM_freeN(process->corners);
	if (process->edges) MEM_freeN(process->edges);
	if (process->centers) MEM_freeN(process->centers);
	if (process->mainb) MEM_freeN(process->mainb);
	if (process->bvh_queue) MEM_freeN(process->bvh_queue);
	if (process->pgn_elements) BLI_memarena_free(process->pgn_elements);
}
示例#7
0
文件: BLI_heap.c 项目: jinjoh/NOOR
void BLI_heap_free(Heap *heap, HeapFreeFP ptrfreefp)
{
	int i;

	if (ptrfreefp)
		for (i = 0; i < heap->size; i++)
			ptrfreefp(heap->tree[i]->ptr);
	
	MEM_freeN(heap->tree);
	BLI_memarena_free(heap->arena);
	MEM_freeN(heap);
}
示例#8
0
void bvh_done<QBVHTree>(QBVHTree *obj)
{
	rtbuild_done(obj->builder, &obj->rayobj.control);
	
	//TODO find a away to exactly calculate the needed memory
	MemArena *arena1 = BLI_memarena_new(BLI_MEMARENA_STD_BUFSIZE, "qbvh arena");
	BLI_memarena_use_malloc(arena1);

	MemArena *arena2 = BLI_memarena_new(BLI_MEMARENA_STD_BUFSIZE, "qbvh arena 2");
	BLI_memarena_use_malloc(arena2);
	BLI_memarena_use_align(arena2, 16);

	//Build and optimize the tree
	//TODO do this in 1 pass (half memory usage during building)
	VBVHNode *root = BuildBinaryVBVH<VBVHNode>(arena1, &obj->rayobj.control).transform(obj->builder);

	if (RE_rayobjectcontrol_test_break(&obj->rayobj.control)) {
		BLI_memarena_free(arena1);
		BLI_memarena_free(arena2);
		return;
	}
	
	if (root) {
		pushup_simd<VBVHNode, 4>(root);
		obj->root = Reorganize_SVBVH<VBVHNode>(arena2).transform(root);
	}
	else
		obj->root = NULL;
	
	//Free data
	BLI_memarena_free(arena1);
	
	obj->node_arena = arena2;
	obj->cost = 1.0;

	rtbuild_free(obj->builder);
	obj->builder = NULL;
}
示例#9
0
static void smoothmesh_free(SmoothMesh *mesh)
{
	int i;

	for(i = 0; i < mesh->num_verts; ++i)
		BLI_linklist_free(mesh->verts[i].faces, NULL);

	for(i = 0; i < mesh->num_edges; ++i)
		BLI_linklist_free(mesh->edges[i].faces, NULL);
	
	if(mesh->arena)
		BLI_memarena_free(mesh->arena);

	MEM_freeN(mesh->verts);
	MEM_freeN(mesh->edges);
	MEM_freeN(mesh->faces);
	MEM_freeN(mesh);
}
示例#10
0
文件: cache.c 项目: OldBrunet/BGERTPS
void imb_tile_cache_exit(void)
{
	ImGlobalTile *gtile;
	int a;

	if(GLOBAL_CACHE.initialized) {
		for(gtile=GLOBAL_CACHE.tiles.first; gtile; gtile=gtile->next)
			imb_global_cache_tile_unload(gtile);

		for(a=0; a<GLOBAL_CACHE.totthread; a++)
			imb_thread_cache_exit(&GLOBAL_CACHE.thread_cache[a]);

		if(GLOBAL_CACHE.memarena)
			BLI_memarena_free(GLOBAL_CACHE.memarena);

		if(GLOBAL_CACHE.tilehash)
			BLI_ghash_free(GLOBAL_CACHE.tilehash, NULL, NULL);

		BLI_mutex_end(&GLOBAL_CACHE.mutex);

		memset(&GLOBAL_CACHE, 0, sizeof(ImGlobalTileCache));
	}
}
static void harmonic_coordinates_bind(Scene *UNUSED(scene), MeshDeformModifierData *mmd, MeshDeformBind *mdb)
{
	MDefBindInfluence *inf;
	MDefInfluence *mdinf;
	MDefCell *cell;
	float center[3], vec[3], maxwidth, totweight;
	int a, b, x, y, z, totinside, offset;

	/* compute bounding box of the cage mesh */
	INIT_MINMAX(mdb->min, mdb->max);

	for (a = 0; a < mdb->totcagevert; a++)
		minmax_v3v3_v3(mdb->min, mdb->max, mdb->cagecos[a]);

	/* allocate memory */
	mdb->size = (2 << (mmd->gridsize - 1)) + 2;
	mdb->size3 = mdb->size * mdb->size * mdb->size;
	mdb->tag = MEM_callocN(sizeof(int) * mdb->size3, "MeshDeformBindTag");
	mdb->phi = MEM_callocN(sizeof(float) * mdb->size3, "MeshDeformBindPhi");
	mdb->totalphi = MEM_callocN(sizeof(float) * mdb->size3, "MeshDeformBindTotalPhi");
	mdb->boundisect = MEM_callocN(sizeof(*mdb->boundisect) * mdb->size3, "MDefBoundIsect");
	mdb->semibound = MEM_callocN(sizeof(int) * mdb->size3, "MDefSemiBound");
	mdb->bvhtree = bvhtree_from_mesh_looptri(&mdb->bvhdata, mdb->cagedm, FLT_EPSILON * 100, 4, 6);
	mdb->inside = MEM_callocN(sizeof(int) * mdb->totvert, "MDefInside");

	if (mmd->flag & MOD_MDEF_DYNAMIC_BIND)
		mdb->dyngrid = MEM_callocN(sizeof(MDefBindInfluence *) * mdb->size3, "MDefDynGrid");
	else
		mdb->weights = MEM_callocN(sizeof(float) * mdb->totvert * mdb->totcagevert, "MDefWeights");

	mdb->memarena = BLI_memarena_new(BLI_MEMARENA_STD_BUFSIZE, "harmonic coords arena");
	BLI_memarena_use_calloc(mdb->memarena);

	/* initialize data from 'cagedm' for reuse */
	{
		DerivedMesh *dm = mdb->cagedm;
		mdb->cagedm_cache.mpoly = dm->getPolyArray(dm);
		mdb->cagedm_cache.mloop = dm->getLoopArray(dm);
		mdb->cagedm_cache.looptri = dm->getLoopTriArray(dm);
		mdb->cagedm_cache.poly_nors = dm->getPolyDataArray(dm, CD_NORMAL);  /* can be NULL */
	}

	/* make bounding box equal size in all directions, add padding, and compute
	 * width of the cells */
	maxwidth = -1.0f;
	for (a = 0; a < 3; a++)
		if (mdb->max[a] - mdb->min[a] > maxwidth)
			maxwidth = mdb->max[a] - mdb->min[a];

	for (a = 0; a < 3; a++) {
		center[a] = (mdb->min[a] + mdb->max[a]) * 0.5f;
		mdb->min[a] = center[a] - maxwidth * 0.5f;
		mdb->max[a] = center[a] + maxwidth * 0.5f;

		mdb->width[a] = (mdb->max[a] - mdb->min[a]) / (mdb->size - 4);
		mdb->min[a] -= 2.1f * mdb->width[a];
		mdb->max[a] += 2.1f * mdb->width[a];

		mdb->width[a] = (mdb->max[a] - mdb->min[a]) / mdb->size;
		mdb->halfwidth[a] = mdb->width[a] * 0.5f;
	}

	progress_bar(0, "Setting up mesh deform system");

	totinside = 0;
	for (a = 0; a < mdb->totvert; a++) {
		copy_v3_v3(vec, mdb->vertexcos[a]);
		mdb->inside[a] = meshdeform_inside_cage(mdb, vec);
		if (mdb->inside[a])
			totinside++;
	}

	/* free temporary MDefBoundIsects */
	BLI_memarena_free(mdb->memarena);
	mdb->memarena = BLI_memarena_new(BLI_MEMARENA_STD_BUFSIZE, "harmonic coords arena");

	/* start with all cells untyped */
	for (a = 0; a < mdb->size3; a++)
		mdb->tag[a] = MESHDEFORM_TAG_UNTYPED;
	
	/* detect intersections and tag boundary cells */
	for (z = 0; z < mdb->size; z++)
		for (y = 0; y < mdb->size; y++)
			for (x = 0; x < mdb->size; x++)
				meshdeform_add_intersections(mdb, x, y, z);

	/* compute exterior and interior tags */
	meshdeform_bind_floodfill(mdb);

	for (z = 0; z < mdb->size; z++)
		for (y = 0; y < mdb->size; y++)
			for (x = 0; x < mdb->size; x++)
				meshdeform_check_semibound(mdb, x, y, z);

	/* solve */
	meshdeform_matrix_solve(mmd, mdb);

	/* assign results */
	if (mmd->flag & MOD_MDEF_DYNAMIC_BIND) {
		mmd->totinfluence = 0;
		for (a = 0; a < mdb->size3; a++)
			for (inf = mdb->dyngrid[a]; inf; inf = inf->next)
				mmd->totinfluence++;

		/* convert MDefBindInfluences to smaller MDefInfluences */
		mmd->dyngrid = MEM_callocN(sizeof(MDefCell) * mdb->size3, "MDefDynGrid");
		mmd->dyninfluences = MEM_callocN(sizeof(MDefInfluence) * mmd->totinfluence, "MDefInfluence");
		offset = 0;
		for (a = 0; a < mdb->size3; a++) {
			cell = &mmd->dyngrid[a];
			cell->offset = offset;

			totweight = 0.0f;
			mdinf = mmd->dyninfluences + cell->offset;
			for (inf = mdb->dyngrid[a]; inf; inf = inf->next, mdinf++) {
				mdinf->weight = inf->weight;
				mdinf->vertex = inf->vertex;
				totweight += mdinf->weight;
				cell->totinfluence++;
			}

			if (totweight > 0.0f) {
				mdinf = mmd->dyninfluences + cell->offset;
				for (b = 0; b < cell->totinfluence; b++, mdinf++)
					mdinf->weight /= totweight;
			}

			offset += cell->totinfluence;
		}

		mmd->dynverts = mdb->inside;
		mmd->dyngridsize = mdb->size;
		copy_v3_v3(mmd->dyncellmin, mdb->min);
		mmd->dyncellwidth = mdb->width[0];
		MEM_freeN(mdb->dyngrid);
	}
	else {
		mmd->bindweights = mdb->weights;
		MEM_freeN(mdb->inside);
	}

	MEM_freeN(mdb->tag);
	MEM_freeN(mdb->phi);
	MEM_freeN(mdb->totalphi);
	MEM_freeN(mdb->boundisect);
	MEM_freeN(mdb->semibound);
	BLI_memarena_free(mdb->memarena);
	free_bvhtree_from_mesh(&mdb->bvhdata);
}
示例#12
0
void BKE_maskrasterize_handle_init(MaskRasterHandle *mr_handle, struct Mask *mask,
                                   const int width, const int height,
                                   const bool do_aspect_correct, const bool do_mask_aa,
                                   const bool do_feather)
{
	const rctf default_bounds = {0.0f, 1.0f, 0.0f, 1.0f};
	const float pixel_size = 1.0f / (float)min_ii(width, height);
	const float asp_xy[2] = {(do_aspect_correct && width > height) ? (float)height / (float)width  : 1.0f,
	                         (do_aspect_correct && width < height) ? (float)width  / (float)height : 1.0f};

	const float zvec[3] = {0.0f, 0.0f, 1.0f};
	MaskLayer *masklay;
	unsigned int masklay_index;
	MemArena *sf_arena;

	mr_handle->layers_tot = (unsigned int)BLI_countlist(&mask->masklayers);
	mr_handle->layers = MEM_mallocN(sizeof(MaskRasterLayer) * mr_handle->layers_tot, "MaskRasterLayer");
	BLI_rctf_init_minmax(&mr_handle->bounds);

	sf_arena = BLI_memarena_new(BLI_SCANFILL_ARENA_SIZE, __func__);

	for (masklay = mask->masklayers.first, masklay_index = 0; masklay; masklay = masklay->next, masklay_index++) {

		/* we need to store vertex ranges for open splines for filling */
		unsigned int tot_splines;
		MaskRasterSplineInfo *open_spline_ranges;
		unsigned int   open_spline_index = 0;

		MaskSpline *spline;

		/* scanfill */
		ScanFillContext sf_ctx;
		ScanFillVert *sf_vert = NULL;
		ScanFillVert *sf_vert_next = NULL;
		ScanFillFace *sf_tri;

		unsigned int sf_vert_tot = 0;
		unsigned int tot_feather_quads = 0;

#ifdef USE_SCANFILL_EDGE_WORKAROUND
		unsigned int tot_boundary_used = 0;
		unsigned int tot_boundary_found = 0;
#endif

		if (masklay->restrictflag & MASK_RESTRICT_RENDER) {
			/* skip the layer */
			mr_handle->layers_tot--;
			masklay_index--;
			continue;
		}

		tot_splines = (unsigned int)BLI_countlist(&masklay->splines);
		open_spline_ranges = MEM_callocN(sizeof(*open_spline_ranges) * tot_splines, __func__);

		BLI_scanfill_begin_arena(&sf_ctx, sf_arena);

		for (spline = masklay->splines.first; spline; spline = spline->next) {
			const bool is_cyclic = (spline->flag & MASK_SPLINE_CYCLIC) != 0;
			const bool is_fill = (spline->flag & MASK_SPLINE_NOFILL) == 0;

			float (*diff_points)[2];
			unsigned int tot_diff_point;

			float (*diff_feather_points)[2];
			float (*diff_feather_points_flip)[2];
			unsigned int tot_diff_feather_points;

			const unsigned int resol_a = BKE_mask_spline_resolution(spline, width, height) / 4;
			const unsigned int resol_b = BKE_mask_spline_feather_resolution(spline, width, height) / 4;
			const unsigned int resol = CLAMPIS(MAX2(resol_a, resol_b), 4, 512);

			diff_points = BKE_mask_spline_differentiate_with_resolution(
			                  spline, &tot_diff_point, resol);

			if (do_feather) {
				diff_feather_points = BKE_mask_spline_feather_differentiated_points_with_resolution(
				                          spline, &tot_diff_feather_points, resol, FALSE);
				BLI_assert(diff_feather_points);
			}
			else {
				tot_diff_feather_points = 0;
				diff_feather_points = NULL;
			}

			if (tot_diff_point > 3) {
				ScanFillVert *sf_vert_prev;
				unsigned int j;

				float co[3];
				co[2] = 0.0f;

				sf_ctx.poly_nr++;

				if (do_aspect_correct) {
					if (width != height) {
						float *fp;
						float *ffp;
						unsigned int i;
						float asp;

						if (width < height) {
							fp = &diff_points[0][0];
							ffp = tot_diff_feather_points ? &diff_feather_points[0][0] : NULL;
							asp = (float)width / (float)height;
						}
						else {
							fp = &diff_points[0][1];
							ffp = tot_diff_feather_points ? &diff_feather_points[0][1] : NULL;
							asp = (float)height / (float)width;
						}

						for (i = 0; i < tot_diff_point; i++, fp += 2) {
							(*fp) = (((*fp) - 0.5f) / asp) + 0.5f;
						}

						if (tot_diff_feather_points) {
							for (i = 0; i < tot_diff_feather_points; i++, ffp += 2) {
								(*ffp) = (((*ffp) - 0.5f) / asp) + 0.5f;
							}
						}
					}
				}

				/* fake aa, using small feather */
				if (do_mask_aa == TRUE) {
					if (do_feather == FALSE) {
						tot_diff_feather_points = tot_diff_point;
						diff_feather_points = MEM_mallocN(sizeof(*diff_feather_points) *
						                                  (size_t)tot_diff_feather_points,
						                                  __func__);
						/* add single pixel feather */
						maskrasterize_spline_differentiate_point_outset(diff_feather_points, diff_points,
						                                               tot_diff_point, pixel_size, FALSE);
					}
					else {
						/* ensure single pixel feather, on any zero feather areas */
						maskrasterize_spline_differentiate_point_outset(diff_feather_points, diff_points,
						                                               tot_diff_point, pixel_size, TRUE);
					}
				}

				if (is_fill) {
					/* applt intersections depending on fill settings */
					if (spline->flag & MASK_SPLINE_NOINTERSECT) {
						BKE_mask_spline_feather_collapse_inner_loops(spline, diff_feather_points, tot_diff_feather_points);
					}

					copy_v2_v2(co, diff_points[0]);
					sf_vert_prev = BLI_scanfill_vert_add(&sf_ctx, co);
					sf_vert_prev->tmp.u = sf_vert_tot;
					sf_vert_prev->keyindex = sf_vert_tot + tot_diff_point; /* absolute index of feather vert */
					sf_vert_tot++;

					/* TODO, an alternate functions so we can avoid double vector copy! */
					for (j = 1; j < tot_diff_point; j++) {
						copy_v2_v2(co, diff_points[j]);
						sf_vert = BLI_scanfill_vert_add(&sf_ctx, co);
						sf_vert->tmp.u = sf_vert_tot;
						sf_vert->keyindex = sf_vert_tot + tot_diff_point; /* absolute index of feather vert */
						sf_vert_tot++;
					}

					sf_vert = sf_vert_prev;
					sf_vert_prev = sf_ctx.fillvertbase.last;

					for (j = 0; j < tot_diff_point; j++) {
						ScanFillEdge *sf_edge = BLI_scanfill_edge_add(&sf_ctx, sf_vert_prev, sf_vert);

#ifdef USE_SCANFILL_EDGE_WORKAROUND
						if (diff_feather_points) {
							sf_edge->tmp.c = SF_EDGE_IS_BOUNDARY;
							tot_boundary_used++;
						}
#else
						(void)sf_edge;
#endif
						sf_vert_prev = sf_vert;
						sf_vert = sf_vert->next;
					}

					if (diff_feather_points) {
						float co_feather[3];
						co_feather[2] = 1.0f;

						BLI_assert(tot_diff_feather_points == tot_diff_point);

						/* note: only added for convenience, we don't infact use these to scanfill,
						 * only to create feather faces after scanfill */
						for (j = 0; j < tot_diff_feather_points; j++) {
							copy_v2_v2(co_feather, diff_feather_points[j]);
							sf_vert = BLI_scanfill_vert_add(&sf_ctx, co_feather);

							/* no need for these attrs */
#if 0
							sf_vert->tmp.u = sf_vert_tot;
							sf_vert->keyindex = sf_vert_tot + tot_diff_point; /* absolute index of feather vert */
#endif
							sf_vert->keyindex = SF_KEYINDEX_TEMP_ID;
							sf_vert_tot++;
						}

						tot_feather_quads += tot_diff_point;
					}
				}
				else {
					/* unfilled spline */
					if (diff_feather_points) {

						float co_diff[2];

						float co_feather[3];
						co_feather[2] = 1.0f;

						if (spline->flag & MASK_SPLINE_NOINTERSECT) {
							diff_feather_points_flip = MEM_mallocN(sizeof(float) * 2 * tot_diff_feather_points, "diff_feather_points_flip");

							for (j = 0; j < tot_diff_point; j++) {
								sub_v2_v2v2(co_diff, diff_points[j], diff_feather_points[j]);
								add_v2_v2v2(diff_feather_points_flip[j], diff_points[j], co_diff);
							}

							BKE_mask_spline_feather_collapse_inner_loops(spline, diff_feather_points,      tot_diff_feather_points);
							BKE_mask_spline_feather_collapse_inner_loops(spline, diff_feather_points_flip, tot_diff_feather_points);
						}
						else {
							diff_feather_points_flip = NULL;
						}


						open_spline_ranges[open_spline_index].vertex_offset = sf_vert_tot;
						open_spline_ranges[open_spline_index].vertex_total = tot_diff_point;

						/* TODO, an alternate functions so we can avoid double vector copy! */
						for (j = 0; j < tot_diff_point; j++) {

							/* center vert */
							copy_v2_v2(co, diff_points[j]);
							sf_vert = BLI_scanfill_vert_add(&sf_ctx, co);
							sf_vert->tmp.u = sf_vert_tot;
							sf_vert->keyindex = SF_KEYINDEX_TEMP_ID;
							sf_vert_tot++;


							/* feather vert A */
							copy_v2_v2(co_feather, diff_feather_points[j]);
							sf_vert = BLI_scanfill_vert_add(&sf_ctx, co_feather);
							sf_vert->tmp.u = sf_vert_tot;
							sf_vert->keyindex = SF_KEYINDEX_TEMP_ID;
							sf_vert_tot++;


							/* feather vert B */
							if (diff_feather_points_flip) {
								copy_v2_v2(co_feather, diff_feather_points_flip[j]);
							}
							else {
								sub_v2_v2v2(co_diff, co, co_feather);
								add_v2_v2v2(co_feather, co, co_diff);
							}

							sf_vert = BLI_scanfill_vert_add(&sf_ctx, co_feather);
							sf_vert->tmp.u = sf_vert_tot;
							sf_vert->keyindex = SF_KEYINDEX_TEMP_ID;
							sf_vert_tot++;

							tot_feather_quads += 2;
						}

						if (!is_cyclic) {
							tot_feather_quads -= 2;
						}

						if (diff_feather_points_flip) {
							MEM_freeN(diff_feather_points_flip);
							diff_feather_points_flip = NULL;
						}

						/* cap ends */

						/* dummy init value */
						open_spline_ranges[open_spline_index].vertex_total_cap_head = 0;
						open_spline_ranges[open_spline_index].vertex_total_cap_tail = 0;

						if (!is_cyclic) {
							float *fp_cent;
							float *fp_turn;

							unsigned int k;

							fp_cent = diff_points[0];
							fp_turn = diff_feather_points[0];

#define CALC_CAP_RESOL                                                                      \
	clampis_uint((unsigned int )(len_v2v2(fp_cent, fp_turn) /                               \
	                             (pixel_size * SPLINE_RESOL_CAP_PER_PIXEL)),                \
	             SPLINE_RESOL_CAP_MIN, SPLINE_RESOL_CAP_MAX)

							{
								const unsigned int vertex_total_cap = CALC_CAP_RESOL;

								for (k = 1; k < vertex_total_cap; k++) {
									const float angle = (float)k * (1.0f / (float)vertex_total_cap) * (float)M_PI;
									rotate_point_v2(co_feather, fp_turn, fp_cent, angle, asp_xy);

									sf_vert = BLI_scanfill_vert_add(&sf_ctx, co_feather);
									sf_vert->tmp.u = sf_vert_tot;
									sf_vert->keyindex = SF_KEYINDEX_TEMP_ID;
									sf_vert_tot++;
								}
								tot_feather_quads += vertex_total_cap;

								open_spline_ranges[open_spline_index].vertex_total_cap_head = vertex_total_cap;
							}

							fp_cent = diff_points[tot_diff_point - 1];
							fp_turn = diff_feather_points[tot_diff_point - 1];

							{
								const unsigned int vertex_total_cap = CALC_CAP_RESOL;

								for (k = 1; k < vertex_total_cap; k++) {
									const float angle = (float)k * (1.0f / (float)vertex_total_cap) * (float)M_PI;
									rotate_point_v2(co_feather, fp_turn, fp_cent, -angle, asp_xy);

									sf_vert = BLI_scanfill_vert_add(&sf_ctx, co_feather);
									sf_vert->tmp.u = sf_vert_tot;
									sf_vert->keyindex = SF_KEYINDEX_TEMP_ID;
									sf_vert_tot++;
								}
								tot_feather_quads += vertex_total_cap;

								open_spline_ranges[open_spline_index].vertex_total_cap_tail = vertex_total_cap;
							}
						}

						open_spline_ranges[open_spline_index].is_cyclic = is_cyclic;
						open_spline_index++;

#undef CALC_CAP_RESOL
						/* end capping */

					}
				}
			}

			if (diff_points) {
				MEM_freeN(diff_points);
			}

			if (diff_feather_points) {
				MEM_freeN(diff_feather_points);
			}
		}

		{
			unsigned int (*face_array)[4], *face;  /* access coords */
			float        (*face_coords)[3], *cos; /* xy, z 0-1 (1.0 == filled) */
			unsigned int sf_tri_tot;
			rctf bounds;
			unsigned int face_index;
			int scanfill_flag = 0;

			bool is_isect = false;
			ListBase isect_remvertbase = {NULL, NULL};
			ListBase isect_remedgebase = {NULL, NULL};

			/* now we have all the splines */
			face_coords = MEM_mallocN((sizeof(float) * 3) * sf_vert_tot, "maskrast_face_coords");

			/* init bounds */
			BLI_rctf_init_minmax(&bounds);

			/* coords */
			cos = (float *)face_coords;
			for (sf_vert = sf_ctx.fillvertbase.first; sf_vert; sf_vert = sf_vert_next) {
				sf_vert_next = sf_vert->next;
				copy_v3_v3(cos, sf_vert->co);

				/* remove so as not to interfere with fill (called after) */
				if (sf_vert->keyindex == SF_KEYINDEX_TEMP_ID) {
					BLI_remlink(&sf_ctx.fillvertbase, sf_vert);
				}

				/* bounds */
				BLI_rctf_do_minmax_v(&bounds, cos);

				cos += 3;
			}


			/* --- inefficient self-intersect case --- */
			/* if self intersections are found, its too trickty to attempt to map vertices
			 * so just realloc and add entirely new vertices - the result of the self-intersect check
			 */
			if ((masklay->flag & MASK_LAYERFLAG_FILL_OVERLAP) &&
			    (is_isect = BLI_scanfill_calc_self_isect(&sf_ctx,
			                                             &isect_remvertbase,
			                                             &isect_remedgebase)))
			{
				unsigned int sf_vert_tot_isect = (unsigned int)BLI_countlist(&sf_ctx.fillvertbase);
				unsigned int i = sf_vert_tot;

				face_coords = MEM_reallocN(face_coords, sizeof(float[3]) * (sf_vert_tot + sf_vert_tot_isect));

				cos = (float *)&face_coords[sf_vert_tot][0];

				for (sf_vert = sf_ctx.fillvertbase.first; sf_vert; sf_vert = sf_vert->next) {
					copy_v3_v3(cos, sf_vert->co);
					sf_vert->tmp.u = i++;
					cos += 3;
				}

				sf_vert_tot += sf_vert_tot_isect;

				/* we need to calc polys after self intersect */
				scanfill_flag |= BLI_SCANFILL_CALC_POLYS;
			}
			/* --- end inefficient code --- */


			/* main scan-fill */
			if ((masklay->flag & MASK_LAYERFLAG_FILL_DISCRETE) == 0)
				scanfill_flag |= BLI_SCANFILL_CALC_HOLES;

			sf_tri_tot = (unsigned int)BLI_scanfill_calc_ex(&sf_ctx, scanfill_flag, zvec);

			if (is_isect) {
				/* add removed data back, we only need edges for feather,
				 * but add verts back so they get freed along with others */
				BLI_movelisttolist(&sf_ctx.fillvertbase, &isect_remvertbase);
				BLI_movelisttolist(&sf_ctx.filledgebase, &isect_remedgebase);
			}

			face_array = MEM_mallocN(sizeof(*face_array) * ((size_t)sf_tri_tot + (size_t)tot_feather_quads), "maskrast_face_index");
			face_index = 0;

			/* faces */
			face = (unsigned int *)face_array;
			for (sf_tri = sf_ctx.fillfacebase.first; sf_tri; sf_tri = sf_tri->next) {
				*(face++) = sf_tri->v3->tmp.u;
				*(face++) = sf_tri->v2->tmp.u;
				*(face++) = sf_tri->v1->tmp.u;
				*(face++) = TRI_VERT;
				face_index++;
				FACE_ASSERT(face - 4, sf_vert_tot);
			}

			/* start of feather faces... if we have this set,
			 * 'face_index' is kept from loop above */

			BLI_assert(face_index == sf_tri_tot);

			if (tot_feather_quads) {
				ScanFillEdge *sf_edge;

				for (sf_edge = sf_ctx.filledgebase.first; sf_edge; sf_edge = sf_edge->next) {
					if (sf_edge->tmp.c == SF_EDGE_IS_BOUNDARY) {
						*(face++) = sf_edge->v1->tmp.u;
						*(face++) = sf_edge->v2->tmp.u;
						*(face++) = sf_edge->v2->keyindex;
						*(face++) = sf_edge->v1->keyindex;
						face_index++;
						FACE_ASSERT(face - 4, sf_vert_tot);

#ifdef USE_SCANFILL_EDGE_WORKAROUND
						tot_boundary_found++;
#endif
					}
				}
			}

#ifdef USE_SCANFILL_EDGE_WORKAROUND
			if (tot_boundary_found != tot_boundary_used) {
				BLI_assert(tot_boundary_found < tot_boundary_used);
			}
#endif

			/* feather only splines */
			while (open_spline_index > 0) {
				const unsigned int vertex_offset         = open_spline_ranges[--open_spline_index].vertex_offset;
				unsigned int       vertex_total          = open_spline_ranges[  open_spline_index].vertex_total;
				unsigned int       vertex_total_cap_head = open_spline_ranges[  open_spline_index].vertex_total_cap_head;
				unsigned int       vertex_total_cap_tail = open_spline_ranges[  open_spline_index].vertex_total_cap_tail;
				unsigned int k, j;

				j = vertex_offset;

				/* subtract one since we reference next vertex triple */
				for (k = 0; k < vertex_total - 1; k++, j += 3) {

					BLI_assert(j == vertex_offset + (k * 3));

					*(face++) = j + 3; /* next span */ /* z 1 */
					*(face++) = j + 0;                 /* z 1 */
					*(face++) = j + 1;                 /* z 0 */
					*(face++) = j + 4; /* next span */ /* z 0 */
					face_index++;
					FACE_ASSERT(face - 4, sf_vert_tot);

					*(face++) = j + 0;                 /* z 1 */
					*(face++) = j + 3; /* next span */ /* z 1 */
					*(face++) = j + 5; /* next span */ /* z 0 */
					*(face++) = j + 2;                 /* z 0 */
					face_index++;
					FACE_ASSERT(face - 4, sf_vert_tot);
				}

				if (open_spline_ranges[open_spline_index].is_cyclic) {
					*(face++) = vertex_offset + 0; /* next span */ /* z 1 */
					*(face++) = j             + 0;                 /* z 1 */
					*(face++) = j             + 1;                 /* z 0 */
					*(face++) = vertex_offset + 1; /* next span */ /* z 0 */
					face_index++;
					FACE_ASSERT(face - 4, sf_vert_tot);

					*(face++) = j          + 0;                    /* z 1 */
					*(face++) = vertex_offset + 0; /* next span */ /* z 1 */
					*(face++) = vertex_offset + 2; /* next span */ /* z 0 */
					*(face++) = j          + 2;                    /* z 0 */
					face_index++;
					FACE_ASSERT(face - 4, sf_vert_tot);
				}
				else {
					unsigned int midvidx = vertex_offset;

					/***************
					 * cap end 'a' */
					j = midvidx + (vertex_total * 3);

					for (k = 0; k < vertex_total_cap_head - 2; k++, j++) {
						*(face++) = midvidx + 0;  /* z 1 */
						*(face++) = midvidx + 0;  /* z 1 */
						*(face++) = j + 0;        /* z 0 */
						*(face++) = j + 1;        /* z 0 */
						face_index++;
						FACE_ASSERT(face - 4, sf_vert_tot);
					}

					j = vertex_offset + (vertex_total * 3);

					/* 2 tris that join the original */
					*(face++) = midvidx + 0;  /* z 1 */
					*(face++) = midvidx + 0;  /* z 1 */
					*(face++) = midvidx + 1;  /* z 0 */
					*(face++) = j + 0;        /* z 0 */
					face_index++;
					FACE_ASSERT(face - 4, sf_vert_tot);

					*(face++) = midvidx + 0;                    /* z 1 */
					*(face++) = midvidx + 0;                    /* z 1 */
					*(face++) = j + vertex_total_cap_head - 2;  /* z 0 */
					*(face++) = midvidx + 2;                    /* z 0 */
					face_index++;
					FACE_ASSERT(face - 4, sf_vert_tot);


					/***************
					 * cap end 'b' */
					/* ... same as previous but v 2-3 flipped, and different initial offsets */

					j = vertex_offset + (vertex_total * 3) + (vertex_total_cap_head - 1);

					midvidx = vertex_offset + (vertex_total * 3) - 3;

					for (k = 0; k < vertex_total_cap_tail - 2; k++, j++) {
						*(face++) = midvidx;  /* z 1 */
						*(face++) = midvidx;  /* z 1 */
						*(face++) = j + 1;    /* z 0 */
						*(face++) = j + 0;    /* z 0 */
						face_index++;
						FACE_ASSERT(face - 4, sf_vert_tot);
					}

					j = vertex_offset + (vertex_total * 3) + (vertex_total_cap_head - 1);

					/* 2 tris that join the original */
					*(face++) = midvidx + 0;  /* z 1 */
					*(face++) = midvidx + 0;  /* z 1 */
					*(face++) = j + 0;        /* z 0 */
					*(face++) = midvidx + 1;  /* z 0 */
					face_index++;
					FACE_ASSERT(face - 4, sf_vert_tot);

					*(face++) = midvidx + 0;                    /* z 1 */
					*(face++) = midvidx + 0;                    /* z 1 */
					*(face++) = midvidx + 2;                    /* z 0 */
					*(face++) = j + vertex_total_cap_tail - 2;  /* z 0 */
					face_index++;
					FACE_ASSERT(face - 4, sf_vert_tot);

				}
			}

			MEM_freeN(open_spline_ranges);

//			fprintf(stderr, "%u %u (%u %u), %u\n", face_index, sf_tri_tot + tot_feather_quads, sf_tri_tot, tot_feather_quads, tot_boundary_used - tot_boundary_found);

#ifdef USE_SCANFILL_EDGE_WORKAROUND
			BLI_assert(face_index + (tot_boundary_used - tot_boundary_found) == sf_tri_tot + tot_feather_quads);
#else
			BLI_assert(face_index == sf_tri_tot + tot_feather_quads);
#endif
			{
				MaskRasterLayer *layer = &mr_handle->layers[masklay_index];

				if (BLI_rctf_isect(&default_bounds, &bounds, &bounds)) {
#ifdef USE_SCANFILL_EDGE_WORKAROUND
					layer->face_tot = (sf_tri_tot + tot_feather_quads) - (tot_boundary_used - tot_boundary_found);
#else
					layer->face_tot = (sf_tri_tot + tot_feather_quads);
#endif
					layer->face_coords = face_coords;
					layer->face_array  = face_array;
					layer->bounds = bounds;

					layer_bucket_init(layer, pixel_size);

					BLI_rctf_union(&mr_handle->bounds, &bounds);
				}
				else {
					MEM_freeN(face_coords);
					MEM_freeN(face_array);

					layer_bucket_init_dummy(layer);
				}

				/* copy as-is */
				layer->alpha = masklay->alpha;
				layer->blend = masklay->blend;
				layer->blend_flag = masklay->blend_flag;
				layer->falloff = masklay->falloff;
			}

			/* printf("tris %d, feather tris %d\n", sf_tri_tot, tot_feather_quads); */
		}

		/* add trianges */
		BLI_scanfill_end_arena(&sf_ctx, sf_arena);
	}

	BLI_memarena_free(sf_arena);
}
示例#13
0
static void layer_bucket_init(MaskRasterLayer *layer, const float pixel_size)
{
	MemArena *arena = BLI_memarena_new(MEM_SIZE_OPTIMAL(1 << 16), __func__);

	const float bucket_dim_x = BLI_rctf_size_x(&layer->bounds);
	const float bucket_dim_y = BLI_rctf_size_y(&layer->bounds);

	layer->buckets_x = (unsigned int)((bucket_dim_x / pixel_size) / (float)BUCKET_PIXELS_PER_CELL);
	layer->buckets_y = (unsigned int)((bucket_dim_y / pixel_size) / (float)BUCKET_PIXELS_PER_CELL);

//		printf("bucket size %ux%u\n", layer->buckets_x, layer->buckets_y);

	CLAMP(layer->buckets_x, 8, 512);
	CLAMP(layer->buckets_y, 8, 512);

	layer->buckets_xy_scalar[0] = (1.0f / (bucket_dim_x + FLT_EPSILON)) * (float)layer->buckets_x;
	layer->buckets_xy_scalar[1] = (1.0f / (bucket_dim_y + FLT_EPSILON)) * (float)layer->buckets_y;

	{
		/* width and height of each bucket */
		const float bucket_size_x = (bucket_dim_x + FLT_EPSILON) / (float)layer->buckets_x;
		const float bucket_size_y = (bucket_dim_y + FLT_EPSILON) / (float)layer->buckets_y;
		const float bucket_max_rad = (max_ff(bucket_size_x, bucket_size_y) * (float)M_SQRT2) + FLT_EPSILON;
		const float bucket_max_rad_squared = bucket_max_rad * bucket_max_rad;

		unsigned int *face = &layer->face_array[0][0];
		float (*cos)[3] = layer->face_coords;

		const unsigned int  bucket_tot = layer->buckets_x * layer->buckets_y;
		LinkNode     **bucketstore     = MEM_callocN(bucket_tot * sizeof(LinkNode *),  __func__);
		unsigned int  *bucketstore_tot = MEM_callocN(bucket_tot * sizeof(unsigned int), __func__);

		unsigned int face_index;

		for (face_index = 0; face_index < layer->face_tot; face_index++, face += 4) {
			float xmin;
			float xmax;
			float ymin;
			float ymax;

			if (face[3] == TRI_VERT) {
				const float *v1 = cos[face[0]];
				const float *v2 = cos[face[1]];
				const float *v3 = cos[face[2]];

				xmin = min_ff(v1[0], min_ff(v2[0], v3[0]));
				xmax = max_ff(v1[0], max_ff(v2[0], v3[0]));
				ymin = min_ff(v1[1], min_ff(v2[1], v3[1]));
				ymax = max_ff(v1[1], max_ff(v2[1], v3[1]));
			}
			else {
				const float *v1 = cos[face[0]];
				const float *v2 = cos[face[1]];
				const float *v3 = cos[face[2]];
				const float *v4 = cos[face[3]];

				xmin = min_ff(v1[0], min_ff(v2[0], min_ff(v3[0], v4[0])));
				xmax = max_ff(v1[0], max_ff(v2[0], max_ff(v3[0], v4[0])));
				ymin = min_ff(v1[1], min_ff(v2[1], min_ff(v3[1], v4[1])));
				ymax = max_ff(v1[1], max_ff(v2[1], max_ff(v3[1], v4[1])));
			}


			/* not essential but may as will skip any faces outside the view */
			if (!((xmax < 0.0f) || (ymax < 0.0f) || (xmin > 1.0f) || (ymin > 1.0f))) {

				CLAMP(xmin, 0.0f,  1.0f);
				CLAMP(ymin, 0.0f,  1.0f);
				CLAMP(xmax, 0.0f,  1.0f);
				CLAMP(ymax, 0.0f,  1.0f);

				{
					unsigned int xi_min = (unsigned int) ((xmin - layer->bounds.xmin) * layer->buckets_xy_scalar[0]);
					unsigned int xi_max = (unsigned int) ((xmax - layer->bounds.xmin) * layer->buckets_xy_scalar[0]);
					unsigned int yi_min = (unsigned int) ((ymin - layer->bounds.ymin) * layer->buckets_xy_scalar[1]);
					unsigned int yi_max = (unsigned int) ((ymax - layer->bounds.ymin) * layer->buckets_xy_scalar[1]);
					void *face_index_void = SET_UINT_IN_POINTER(face_index);

					unsigned int xi, yi;

					/* this should _almost_ never happen but since it can in extreme cases,
					 * we have to clamp the values or we overrun the buffer and crash */
					if (xi_min >= layer->buckets_x) xi_min = layer->buckets_x - 1;
					if (xi_max >= layer->buckets_x) xi_max = layer->buckets_x - 1;
					if (yi_min >= layer->buckets_y) yi_min = layer->buckets_y - 1;
					if (yi_max >= layer->buckets_y) yi_max = layer->buckets_y - 1;

					for (yi = yi_min; yi <= yi_max; yi++) {
						unsigned int bucket_index = (layer->buckets_x * yi) + xi_min;
						for (xi = xi_min; xi <= xi_max; xi++, bucket_index++) {
							// unsigned int bucket_index = (layer->buckets_x * yi) + xi; /* correct but do in outer loop */

							BLI_assert(xi < layer->buckets_x);
							BLI_assert(yi < layer->buckets_y);
							BLI_assert(bucket_index < bucket_tot);

							/* check if the bucket intersects with the face */
							/* note: there is a trade off here since checking box/tri intersections isn't
							 * as optimal as it could be, but checking pixels against faces they will never intersect
							 * with is likely the greater slowdown here - so check if the cell intersects the face */
							if (layer_bucket_isect_test(layer, face_index,
							                            xi, yi,
							                            bucket_size_x, bucket_size_y,
							                            bucket_max_rad_squared))
							{
								BLI_linklist_prepend_arena(&bucketstore[bucket_index], face_index_void, arena);
								bucketstore_tot[bucket_index]++;
							}
						}
					}
				}
			}
		}

		if (1) {
			/* now convert linknodes into arrays for faster per pixel access */
			unsigned int  **buckets_face = MEM_mallocN(bucket_tot * sizeof(*buckets_face), __func__);
			unsigned int bucket_index;

			for (bucket_index = 0; bucket_index < bucket_tot; bucket_index++) {
				if (bucketstore_tot[bucket_index]) {
					unsigned int  *bucket = MEM_mallocN((bucketstore_tot[bucket_index] + 1) * sizeof(unsigned int),
					                                    __func__);
					LinkNode *bucket_node;

					buckets_face[bucket_index] = bucket;

					for (bucket_node = bucketstore[bucket_index]; bucket_node; bucket_node = bucket_node->next) {
						*bucket = GET_UINT_FROM_POINTER(bucket_node->link);
						bucket++;
					}
					*bucket = TRI_TERMINATOR_ID;
				}
				else {
					buckets_face[bucket_index] = NULL;
				}
			}

			layer->buckets_face = buckets_face;
		}

		MEM_freeN(bucketstore);
		MEM_freeN(bucketstore_tot);
	}

	BLI_memarena_free(arena);
}
示例#14
0
/**
 * \param normal_proj  Optional normal thats used to project the scanfill verts into 2d coords.
 * Pass this along if known since it saves time calculating the normal.
 * \param flipnormal  Flip the normal (same as passing \a normal_proj negated)
 */
void BKE_displist_fill(ListBase *dispbase, ListBase *to, const float normal_proj[3], const bool flipnormal)
{
	ScanFillContext sf_ctx;
	ScanFillVert *sf_vert, *sf_vert_new, *sf_vert_last;
	ScanFillFace *sf_tri;
	MemArena *sf_arena;
	DispList *dlnew = NULL, *dl;
	float *f1;
	int colnr = 0, charidx = 0, cont = 1, tot, a, *index, nextcol = 0;
	int totvert;
	const int scanfill_flag = BLI_SCANFILL_CALC_REMOVE_DOUBLES | BLI_SCANFILL_CALC_POLYS | BLI_SCANFILL_CALC_HOLES;

	if (dispbase == NULL)
		return;
	if (BLI_listbase_is_empty(dispbase))
		return;

	sf_arena = BLI_memarena_new(BLI_SCANFILL_ARENA_SIZE, __func__);

	while (cont) {
		int dl_flag_accum = 0;
		cont = 0;
		totvert = 0;
		nextcol = 0;

		BLI_scanfill_begin_arena(&sf_ctx, sf_arena);

		dl = dispbase->first;
		while (dl) {
			if (dl->type == DL_POLY) {
				if (charidx < dl->charidx)
					cont = 1;
				else if (charidx == dl->charidx) { /* character with needed index */
					if (colnr == dl->col) {

						sf_ctx.poly_nr++;

						/* make editverts and edges */
						f1 = dl->verts;
						a = dl->nr;
						sf_vert = sf_vert_new = NULL;

						while (a--) {
							sf_vert_last = sf_vert;

							sf_vert = BLI_scanfill_vert_add(&sf_ctx, f1);
							totvert++;

							if (sf_vert_last == NULL)
								sf_vert_new = sf_vert;
							else {
								BLI_scanfill_edge_add(&sf_ctx, sf_vert_last, sf_vert);
							}
							f1 += 3;
						}

						if (sf_vert != NULL && sf_vert_new != NULL) {
							BLI_scanfill_edge_add(&sf_ctx, sf_vert, sf_vert_new);
						}
					}
					else if (colnr < dl->col) {
						/* got poly with next material at current char */
						cont = 1;
						nextcol = 1;
					}
				}
				dl_flag_accum |= dl->flag;
			}
			dl = dl->next;
		}

		/* XXX (obedit && obedit->actcol) ? (obedit->actcol - 1) : 0)) { */
		if (totvert && (tot = BLI_scanfill_calc_ex(&sf_ctx,
		                                           scanfill_flag,
		                                           normal_proj)))
		{
			if (tot) {
				dlnew = MEM_callocN(sizeof(DispList), "filldisplist");
				dlnew->type = DL_INDEX3;
				dlnew->flag = (dl_flag_accum & (DL_BACK_CURVE | DL_FRONT_CURVE));
				dlnew->col = colnr;
				dlnew->nr = totvert;
				dlnew->parts = tot;

				dlnew->index = MEM_mallocN(tot * 3 * sizeof(int), "dlindex");
				dlnew->verts = MEM_mallocN(totvert * 3 * sizeof(float), "dlverts");

				/* vert data */
				f1 = dlnew->verts;
				totvert = 0;

				for (sf_vert = sf_ctx.fillvertbase.first; sf_vert; sf_vert = sf_vert->next) {
					copy_v3_v3(f1, sf_vert->co);
					f1 += 3;

					/* index number */
					sf_vert->tmp.i = totvert;
					totvert++;
				}

				/* index data */

				index = dlnew->index;
				for (sf_tri = sf_ctx.fillfacebase.first; sf_tri; sf_tri = sf_tri->next) {
					index[0] = sf_tri->v1->tmp.i;
					index[1] = sf_tri->v2->tmp.i;
					index[2] = sf_tri->v3->tmp.i;

					if (flipnormal)
						SWAP(int, index[0], index[2]);

					index += 3;
				}
			}

			BLI_addhead(to, dlnew);
		}
		BLI_scanfill_end_arena(&sf_ctx, sf_arena);

		if (nextcol) {
			/* stay at current char but fill polys with next material */
			colnr++;
		}
		else {
			/* switch to next char and start filling from first material */
			charidx++;
			colnr = 0;
		}
	}

	BLI_memarena_free(sf_arena);

	/* do not free polys, needed for wireframe display */
}
示例#15
0
/* render call to fill in strands */
int zbuffer_strands_abuf(Render *re, RenderPart *pa, APixstrand *apixbuf, ListBase *apsmbase, unsigned int lay, int UNUSED(negzmask), float winmat[][4], int winx, int winy, int UNUSED(sample), float (*jit)[2], float clipcrop, int shadow, StrandShadeCache *cache)
{
	ObjectRen *obr;
	ObjectInstanceRen *obi;
	ZSpan zspan;
	StrandRen *strand=0;
	StrandVert *svert;
	StrandBound *sbound;
	StrandPart spart;
	StrandSegment sseg;
	StrandSortSegment *sortsegments = NULL, *sortseg, *firstseg;
	MemArena *memarena;
	float z[4], bounds[4], obwinmat[4][4];
	int a, b, c, i, totsegment, clip[4];

	if (re->test_break(re->tbh))
		return 0;
	if (re->totstrand == 0)
		return 0;

	/* setup StrandPart */
	memset(&spart, 0, sizeof(spart));

	spart.re= re;
	spart.rectx= pa->rectx;
	spart.recty= pa->recty;
	spart.apixbuf= apixbuf;
	spart.zspan= &zspan;
	spart.rectdaps= pa->rectdaps;
	spart.rectz= pa->rectz;
	spart.rectmask= pa->rectmask;
	spart.cache= cache;
	spart.shadow= shadow;
	spart.jit= jit;

	zbuf_alloc_span(&zspan, pa->rectx, pa->recty, clipcrop);

	/* needed for transform from hoco to zbuffer co */
	zspan.zmulx= ((float)winx)/2.0f;
	zspan.zmuly= ((float)winy)/2.0f;
	
	zspan.zofsx= -pa->disprect.xmin;
	zspan.zofsy= -pa->disprect.ymin;

	/* to center the sample position */
	if (!shadow) {
		zspan.zofsx -= 0.5f;
		zspan.zofsy -= 0.5f;
	}

	zspan.apsmbase= apsmbase;

	/* clipping setup */
	bounds[0]= (2*pa->disprect.xmin - winx-1)/(float)winx;
	bounds[1]= (2*pa->disprect.xmax - winx+1)/(float)winx;
	bounds[2]= (2*pa->disprect.ymin - winy-1)/(float)winy;
	bounds[3]= (2*pa->disprect.ymax - winy+1)/(float)winy;

	memarena= BLI_memarena_new(BLI_MEMARENA_STD_BUFSIZE, "strand sort arena");
	firstseg= NULL;
	totsegment= 0;

	/* for all object instances */
	for (obi=re->instancetable.first, i=0; obi; obi=obi->next, i++) {
		Material *ma;
		float widthx, widthy;

		obr= obi->obr;

		if (!obr->strandbuf || !(obr->strandbuf->lay & lay))
			continue;

		/* compute matrix and try clipping whole object */
		if (obi->flag & R_TRANSFORMED)
			mult_m4_m4m4(obwinmat, winmat, obi->mat);
		else
			copy_m4_m4(obwinmat, winmat);

		/* test if we should skip it */
		ma = obr->strandbuf->ma;

		if (shadow && !(ma->mode & MA_SHADBUF))
			continue;
		else if (!shadow && (ma->mode & MA_ONLYCAST))
			continue;

		if (clip_render_object(obi->obr->boundbox, bounds, obwinmat))
			continue;
		
		widthx= obr->strandbuf->maxwidth*obwinmat[0][0];
		widthy= obr->strandbuf->maxwidth*obwinmat[1][1];

		/* for each bounding box containing a number of strands */
		sbound= obr->strandbuf->bound;
		for (c=0; c<obr->strandbuf->totbound; c++, sbound++) {
			if (clip_render_object(sbound->boundbox, bounds, obwinmat))
				continue;

			/* for each strand in this bounding box */
			for (a=sbound->start; a<sbound->end; a++) {
				strand= RE_findOrAddStrand(obr, a);
				svert= strand->vert;

				/* keep clipping and z depth for 4 control points */
				clip[1]= strand_test_clip(obwinmat, &zspan, bounds, svert->co, &z[1], widthx, widthy);
				clip[2]= strand_test_clip(obwinmat, &zspan, bounds, (svert+1)->co, &z[2], widthx, widthy);
				clip[0]= clip[1]; z[0]= z[1];

				for (b=0; b<strand->totvert-1; b++, svert++) {
					/* compute 4th point clipping and z depth */
					if (b < strand->totvert-2) {
						clip[3]= strand_test_clip(obwinmat, &zspan, bounds, (svert+2)->co, &z[3], widthx, widthy);
					}
					else {
						clip[3]= clip[2]; z[3]= z[2];
					}

					/* check clipping and add to sortsegments buffer */
					if (!(clip[0] & clip[1] & clip[2] & clip[3])) {
						sortseg= BLI_memarena_alloc(memarena, sizeof(StrandSortSegment));
						sortseg->obi= i;
						sortseg->strand= strand->index;
						sortseg->segment= b;

						sortseg->z= 0.5f*(z[1] + z[2]);

						sortseg->next= firstseg;
						firstseg= sortseg;
						totsegment++;
					}

					/* shift clipping and z depth */
					clip[0]= clip[1]; z[0]= z[1];
					clip[1]= clip[2]; z[1]= z[2];
					clip[2]= clip[3]; z[2]= z[3];
				}
			}
		}
	}

	if (!re->test_break(re->tbh)) {
		/* convert list to array and sort */
		sortsegments= MEM_mallocN(sizeof(StrandSortSegment)*totsegment, "StrandSortSegment");
		for (a=0, sortseg=firstseg; a<totsegment; a++, sortseg=sortseg->next)
			sortsegments[a]= *sortseg;
		qsort(sortsegments, totsegment, sizeof(StrandSortSegment), compare_strand_segment);
	}

	BLI_memarena_free(memarena);

	spart.totapixbuf= MEM_callocN(sizeof(int)*pa->rectx*pa->recty, "totapixbuf");

	if (!re->test_break(re->tbh)) {
		/* render segments in sorted order */
		sortseg= sortsegments;
		for (a=0; a<totsegment; a++, sortseg++) {
			if (re->test_break(re->tbh))
				break;

			obi= &re->objectinstance[sortseg->obi];
			obr= obi->obr;

			sseg.obi= obi;
			sseg.strand= RE_findOrAddStrand(obr, sortseg->strand);
			sseg.buffer= sseg.strand->buffer;
			sseg.sqadaptcos= sseg.buffer->adaptcos;
			sseg.sqadaptcos *= sseg.sqadaptcos;

			svert= sseg.strand->vert + sortseg->segment;
			sseg.v[0]= (sortseg->segment > 0)? (svert-1): svert;
			sseg.v[1]= svert;
			sseg.v[2]= svert+1;
			sseg.v[3]= (sortseg->segment < sseg.strand->totvert-2)? svert+2: svert+1;
			sseg.shaded= 0;

			spart.segment= &sseg;

			render_strand_segment(re, winmat, &spart, &zspan, 1, &sseg);
		}
	}

	if (sortsegments)
		MEM_freeN(sortsegments);
	MEM_freeN(spart.totapixbuf);
	
	zbuf_free_span(&zspan);

	return totsegment;
}
void BME_free_transdata(BME_TransData_Head *td) {
	BLI_ghash_free(td->gh,NULL,NULL);
	BLI_memarena_free(td->ma);
	MEM_freeN(td);
}