Example #1
0
static void sculpt_undo_restore_deformed(const SculptSession *ss,
                                         SculptUndoNode *unode,
                                         int uindex, int oindex,
                                         float coord[3])
{
	if (unode->orig_co) {
		swap_v3_v3(coord, unode->orig_co[uindex]);
		copy_v3_v3(unode->co[uindex], ss->deform_cos[oindex]);
	}
	else {
		swap_v3_v3(coord, unode->co[uindex]);
	}
}
Example #2
0
static void occ_build_split(OcclusionTree *tree, int begin, int end, int *split)
{
	float min[3], max[3], mid;
	int axis, a, enda;

	/* split in middle of boundbox. this seems faster than median split
	 * on complex scenes, possibly since it avoids two distant faces to
	 * be in the same node better? */
	axis = occ_find_bbox_axis(tree, begin, end, min, max);
	mid = 0.5f * (min[axis] + max[axis]);

	a = begin;
	enda = end;
	while (a < enda) {
		if (tree->co[a][axis] > mid) {
			enda--;
			SWAP(OccFace, tree->face[a], tree->face[enda]);
			swap_v3_v3(tree->co[a], tree->co[enda]);
		}
		else
			a++;
	}

	*split = enda;
}
Example #3
0
static bool test_swap_v3_v3(float a[3], float b[3])
{
	/* no need for float comparison here (memory is exactly equal or not) */
	if (memcmp(a, b, sizeof(float[3])) != 0) {
		swap_v3_v3(a, b);
		return true;
	}
	else {
		return false;
	}
}
Example #4
0
/* Swap pairs of lattice points along a specified axis
 * - Helper for lattice_flip_exec()
 */
static void lattice_swap_point_pairs(Lattice *lt, int u, int v, int w, float mid, eLattice_FlipAxes axis)
{
	BPoint *bpA, *bpB;
	
	int numU = lt->pntsu;
	int numV = lt->pntsv;
	int numW = lt->pntsw;
	
	int u0 = u, u1 = u;
	int v0 = v, v1 = v;
	int w0 = w, w1 = w;
	
	/* get pair index by just overriding the relevant pair-value
	 * - "-1" else buffer overflow
	 */
	switch (axis) {
		case LATTICE_FLIP_U:
			u1 = numU - u - 1;
			break;
		case LATTICE_FLIP_V:
			v1 = numV - v - 1;
			break;
		case LATTICE_FLIP_W:
			w1 = numW - w - 1;
			break;
	}
	
	/* get points to operate on */
	bpA = &lt->def[BKE_lattice_index_from_uvw(lt, u0, v0, w0)];
	bpB = &lt->def[BKE_lattice_index_from_uvw(lt, u1, v1, w1)];
	
	/* Swap all coordinates, so that flipped coordinates belong to
	 * the indices on the correct side of the lattice.
	 *
	 *   Coords:  (-2 4) |0| (3 4)   --> (3 4) |0| (-2 4) 
	 *   Indices:  (0,L)     (1,R)   --> (0,L)     (1,R)
	 */
	swap_v3_v3(bpA->vec, bpB->vec);
	
	/* However, we need to mirror the coordinate values on the axis we're dealing with,
	 * otherwise we'd have effectively only rotated the points around. If we don't do this,
	 * we'd just be reimplementing the naive mirroring algorithm, which causes unwanted deforms
	 * such as flipped normals, etc.
	 *
	 *   Coords:  (3 4) |0| (-2 4)  --\   
	 *                                 \-> (-3 4) |0| (2 4)
	 *   Indices: (0,L)     (1,R)   -->     (0,L)     (1,R)
	 */
	lattice_flip_point_value(lt, u0, v0, w0, mid, axis);
	lattice_flip_point_value(lt, u1, v1, w1, mid, axis);
}
static void mirror_bezier_xaxis_ex(BezTriple *bezt, const float center)
{
	float diff;
	int i;

	for (i = 0; i < 3; i++) {
		diff = (center - bezt->vec[i][0]);
		bezt->vec[i][0] = (center + diff);
	}
	swap_v3_v3(bezt->vec[0], bezt->vec[2]);

	SWAP(char, bezt->h1, bezt->h2);
	SWAP(char, bezt->f1, bezt->f3);
}
Example #6
0
static int sculpt_undo_restore_coords(bContext *C, DerivedMesh *dm, SculptUndoNode *unode)
{
	Scene *scene = CTX_data_scene(C);
	Sculpt *sd = CTX_data_tool_settings(C)->sculpt;
	Object *ob = CTX_data_active_object(C);
	SculptSession *ss = ob->sculpt;
	MVert *mvert;
	int *index, i, j;
	
	if (unode->maxvert) {
		/* regular mesh restore */

		if (ss->kb && strcmp(ss->kb->name, unode->shapeName)) {
			/* shape key has been changed before calling undo operator */

			Key *key = BKE_key_from_object(ob);
			KeyBlock *kb = key ? BKE_keyblock_find_name(key, unode->shapeName) : NULL;

			if (kb) {
				ob->shapenr = BLI_findindex(&key->block, kb) + 1;

				sculpt_update_mesh_elements(scene, sd, ob, 0, FALSE);
				WM_event_add_notifier(C, NC_OBJECT | ND_DATA, ob);
			}
			else {
				/* key has been removed -- skip this undo node */
				return 0;
			}
		}

		index = unode->index;
		mvert = ss->mvert;

		if (ss->kb) {
			float (*vertCos)[3];
			vertCos = BKE_key_convert_to_vertcos(ob, ss->kb);

			for (i = 0; i < unode->totvert; i++) {
				if (ss->modifiers_active) {
					sculpt_undo_restore_deformed(ss, unode, i, index[i], vertCos[index[i]]);
				}
				else {
					if (unode->orig_co) swap_v3_v3(vertCos[index[i]], unode->orig_co[i]);
					else swap_v3_v3(vertCos[index[i]], unode->co[i]);
				}
			}

			/* propagate new coords to keyblock */
			sculpt_vertcos_to_key(ob, ss->kb, vertCos);

			/* pbvh uses it's own mvert array, so coords should be */
			/* propagated to pbvh here */
			BKE_pbvh_apply_vertCos(ss->pbvh, vertCos);

			MEM_freeN(vertCos);
		}
		else {
			for (i = 0; i < unode->totvert; i++) {
				if (ss->modifiers_active) {
					sculpt_undo_restore_deformed(ss, unode, i, index[i], mvert[index[i]].co);
				}
				else {
					if (unode->orig_co) swap_v3_v3(mvert[index[i]].co, unode->orig_co[i]);
					else swap_v3_v3(mvert[index[i]].co, unode->co[i]);
				}
				mvert[index[i]].flag |= ME_VERT_PBVH_UPDATE;
			}
		}
	}
	else if (unode->maxgrid && dm->getGridData) {
		/* multires restore */
		CCGElem **grids, *grid;
		CCGKey key;
		float (*co)[3];
		int gridsize;

		grids = dm->getGridData(dm);
		gridsize = dm->getGridSize(dm);
		dm->getGridKey(dm, &key);

		co = unode->co;
		for (j = 0; j < unode->totgrid; j++) {
			grid = grids[unode->grids[j]];

			for (i = 0; i < gridsize * gridsize; i++, co++)
				swap_v3_v3(CCG_elem_offset_co(&key, grid, i), co[0]);
		}
	}

	return 1;
}
Example #7
0
static int armature_switch_direction_exec(bContext *C, wmOperator *UNUSED(op))
{
	Object *ob = CTX_data_edit_object(C);
	bArmature *arm = (bArmature *)ob->data;
	ListBase chains = {NULL, NULL};
	LinkData *chain;

	/* get chains of bones (ends on chains) */
	chains_find_tips(arm->edbo, &chains);
	if (BLI_listbase_is_empty(&chains)) return OPERATOR_CANCELLED;

	/* ensure that mirror bones will also be operated on */
	armature_tag_select_mirrored(arm);

	/* clear BONE_TRANSFORM flags
	 * - used to prevent duplicate/canceling operations from occurring [#34123]
	 * - BONE_DONE cannot be used here as that's already used for mirroring
	 */
	armature_clear_swap_done_flags(arm);

	/* loop over chains, only considering selected and visible bones */
	for (chain = chains.first; chain; chain = chain->next) {
		EditBone *ebo, *child = NULL, *parent = NULL;

		/* loop over bones in chain */
		for (ebo = chain->data; ebo; ebo = parent) {
			/* parent is this bone's original parent
			 *	- we store this, as the next bone that is checked is this one
			 *	  but the value of ebo->parent may change here...
			 */
			parent = ebo->parent;

			/* skip bone if already handled... [#34123] */
			if ((ebo->flag & BONE_TRANSFORM) == 0) {
				/* only if selected and editable */
				if (EBONE_VISIBLE(arm, ebo) && EBONE_EDITABLE(ebo)) {
					/* swap head and tail coordinates */
					swap_v3_v3(ebo->head, ebo->tail);

					/* do parent swapping:
					 *	- use 'child' as new parent
					 *	- connected flag is only set if points are coincidental
					 */
					ebo->parent = child;
					if ((child) && equals_v3v3(ebo->head, child->tail))
						ebo->flag |= BONE_CONNECTED;
					else
						ebo->flag &= ~BONE_CONNECTED;

					/* get next bones
					 *	- child will become the new parent of next bone
					 */
					child = ebo;
				}
				else {
					/* not swapping this bone, however, if its 'parent' got swapped, unparent us from it
					 * as it will be facing in opposite direction
					 */
					if ((parent) && (EBONE_VISIBLE(arm, parent) && EBONE_EDITABLE(parent))) {
						ebo->parent = NULL;
						ebo->flag &= ~BONE_CONNECTED;
					}

					/* get next bones
					 *	- child will become new parent of next bone (not swapping occurred,
					 *	  so set to NULL to prevent infinite-loop)
					 */
					child = NULL;
				}

				/* tag as done (to prevent double-swaps) */
				ebo->flag |= BONE_TRANSFORM;
			}
		}
	}

	/* free chains */
	BLI_freelistN(&chains);

	/* clear temp flags */
	armature_clear_swap_done_flags(arm);
	armature_tag_unselect(arm);

	/* note, notifier might evolve */
	WM_event_add_notifier(C, NC_OBJECT | ND_BONE_SELECT, ob);

	return OPERATOR_FINISHED;
}
Example #8
0
void draw_smoke_volume(SmokeDomainSettings *sds, Object *ob,
                       GPUTexture *tex, const float min[3], const float max[3],
                       const int res[3], float dx, float UNUSED(base_scale), const float viewnormal[3],
                       GPUTexture *tex_shadow, GPUTexture *tex_flame)
{
	const float ob_sizei[3] = {
	    1.0f / fabsf(ob->size[0]),
	    1.0f / fabsf(ob->size[1]),
	    1.0f / fabsf(ob->size[2])};

	int i, j, k, n, good_index;
	float d /*, d0 */ /* UNUSED */, dd, ds;
	float (*points)[3] = NULL;
	int numpoints = 0;
	float cor[3] = {1.0f, 1.0f, 1.0f};
	int gl_depth = 0, gl_blend = 0;

	int use_fire = (sds->active_fields & SM_ACTIVE_FIRE);

	/* draw slices of smoke is adapted from c++ code authored
	 * by: Johannes Schmid and Ingemar Rask, 2006, [email protected] */
	float cv[][3] = {
		{1.0f, 1.0f, 1.0f}, {-1.0f, 1.0f, 1.0f}, {-1.0f, -1.0f, 1.0f}, {1.0f, -1.0f, 1.0f},
		{1.0f, 1.0f, -1.0f}, {-1.0f, 1.0f, -1.0f}, {-1.0f, -1.0f, -1.0f}, {1.0f, -1.0f, -1.0f}
	};

	/* edges have the form edges[n][0][xyz] + t*edges[n][1][xyz] */
	float edges[12][2][3] = {
		{{1.0f, 1.0f, -1.0f}, {0.0f, 0.0f, 2.0f}},
		{{-1.0f, 1.0f, -1.0f}, {0.0f, 0.0f, 2.0f}},
		{{-1.0f, -1.0f, -1.0f}, {0.0f, 0.0f, 2.0f}},
		{{1.0f, -1.0f, -1.0f}, {0.0f, 0.0f, 2.0f}},

		{{1.0f, -1.0f, 1.0f}, {0.0f, 2.0f, 0.0f}},
		{{-1.0f, -1.0f, 1.0f}, {0.0f, 2.0f, 0.0f}},
		{{-1.0f, -1.0f, -1.0f}, {0.0f, 2.0f, 0.0f}},
		{{1.0f, -1.0f, -1.0f}, {0.0f, 2.0f, 0.0f}},

		{{-1.0f, 1.0f, 1.0f}, {2.0f, 0.0f, 0.0f}},
		{{-1.0f, -1.0f, 1.0f}, {2.0f, 0.0f, 0.0f}},
		{{-1.0f, -1.0f, -1.0f}, {2.0f, 0.0f, 0.0f}},
		{{-1.0f, 1.0f, -1.0f}, {2.0f, 0.0f, 0.0f}}
	};

	unsigned char *spec_data;
	float *spec_pixels;
	GPUTexture *tex_spec;
	GPUProgram *smoke_program;
	int progtype = (sds->active_fields & SM_ACTIVE_COLORS) ? GPU_PROGRAM_SMOKE_COLORED : GPU_PROGRAM_SMOKE;
	float size[3];

	if (!tex) {
		printf("Could not allocate 3D texture for 3D View smoke drawing.\n");
		return;
	}

#ifdef DEBUG_DRAW_TIME
	TIMEIT_START(draw);
#endif

	/* generate flame spectrum texture */
#define SPEC_WIDTH 256
#define FIRE_THRESH 7
#define MAX_FIRE_ALPHA 0.06f
#define FULL_ON_FIRE 100
	spec_data = malloc(SPEC_WIDTH * 4 * sizeof(unsigned char));
	flame_get_spectrum(spec_data, SPEC_WIDTH, 1500, 3000);
	spec_pixels = malloc(SPEC_WIDTH * 4 * 16 * 16 * sizeof(float));
	for (i = 0; i < 16; i++) {
		for (j = 0; j < 16; j++) {
			for (k = 0; k < SPEC_WIDTH; k++) {
				int index = (j * SPEC_WIDTH * 16 + i * SPEC_WIDTH + k) * 4;
				if (k >= FIRE_THRESH) {
					spec_pixels[index] = ((float)spec_data[k * 4]) / 255.0f;
					spec_pixels[index + 1] = ((float)spec_data[k * 4 + 1]) / 255.0f;
					spec_pixels[index + 2] = ((float)spec_data[k * 4 + 2]) / 255.0f;
					spec_pixels[index + 3] = MAX_FIRE_ALPHA * (
					        (k > FULL_ON_FIRE) ? 1.0f : (k - FIRE_THRESH) / ((float)FULL_ON_FIRE - FIRE_THRESH));
				}
				else {
					spec_pixels[index] = spec_pixels[index + 1] = spec_pixels[index + 2] = spec_pixels[index + 3] = 0.0f;
				}
			}
		}
	}

	tex_spec = GPU_texture_create_1D(SPEC_WIDTH, spec_pixels, NULL);

#undef SPEC_WIDTH
#undef FIRE_THRESH
#undef MAX_FIRE_ALPHA
#undef FULL_ON_FIRE

	sub_v3_v3v3(size, max, min);

	/* maxx, maxy, maxz */
	cv[0][0] = max[0];
	cv[0][1] = max[1];
	cv[0][2] = max[2];
	/* minx, maxy, maxz */
	cv[1][0] = min[0];
	cv[1][1] = max[1];
	cv[1][2] = max[2];
	/* minx, miny, maxz */
	cv[2][0] = min[0];
	cv[2][1] = min[1];
	cv[2][2] = max[2];
	/* maxx, miny, maxz */
	cv[3][0] = max[0];
	cv[3][1] = min[1];
	cv[3][2] = max[2];

	/* maxx, maxy, minz */
	cv[4][0] = max[0];
	cv[4][1] = max[1];
	cv[4][2] = min[2];
	/* minx, maxy, minz */
	cv[5][0] = min[0];
	cv[5][1] = max[1];
	cv[5][2] = min[2];
	/* minx, miny, minz */
	cv[6][0] = min[0];
	cv[6][1] = min[1];
	cv[6][2] = min[2];
	/* maxx, miny, minz */
	cv[7][0] = max[0];
	cv[7][1] = min[1];
	cv[7][2] = min[2];

	copy_v3_v3(edges[0][0], cv[4]); /* maxx, maxy, minz */
	copy_v3_v3(edges[1][0], cv[5]); /* minx, maxy, minz */
	copy_v3_v3(edges[2][0], cv[6]); /* minx, miny, minz */
	copy_v3_v3(edges[3][0], cv[7]); /* maxx, miny, minz */

	copy_v3_v3(edges[4][0], cv[3]); /* maxx, miny, maxz */
	copy_v3_v3(edges[5][0], cv[2]); /* minx, miny, maxz */
	copy_v3_v3(edges[6][0], cv[6]); /* minx, miny, minz */
	copy_v3_v3(edges[7][0], cv[7]); /* maxx, miny, minz */

	copy_v3_v3(edges[8][0], cv[1]); /* minx, maxy, maxz */
	copy_v3_v3(edges[9][0], cv[2]); /* minx, miny, maxz */
	copy_v3_v3(edges[10][0], cv[6]); /* minx, miny, minz */
	copy_v3_v3(edges[11][0], cv[5]); /* minx, maxy, minz */

	// printf("size x: %f, y: %f, z: %f\n", size[0], size[1], size[2]);
	// printf("min[2]: %f, max[2]: %f\n", min[2], max[2]);

	edges[0][1][2] = size[2];
	edges[1][1][2] = size[2];
	edges[2][1][2] = size[2];
	edges[3][1][2] = size[2];

	edges[4][1][1] = size[1];
	edges[5][1][1] = size[1];
	edges[6][1][1] = size[1];
	edges[7][1][1] = size[1];

	edges[8][1][0] = size[0];
	edges[9][1][0] = size[0];
	edges[10][1][0] = size[0];
	edges[11][1][0] = size[0];

	glGetBooleanv(GL_BLEND, (GLboolean *)&gl_blend);
	glGetBooleanv(GL_DEPTH_TEST, (GLboolean *)&gl_depth);

	glEnable(GL_DEPTH_TEST);
	glEnable(GL_BLEND);

	/* find cube vertex that is closest to the viewer */
	for (i = 0; i < 8; i++) {
		float x, y, z;

		x = cv[i][0] - viewnormal[0] * size[0] * 0.5f;
		y = cv[i][1] - viewnormal[1] * size[1] * 0.5f;
		z = cv[i][2] - viewnormal[2] * size[2] * 0.5f;

		if ((x >= min[0]) && (x <= max[0]) &&
		    (y >= min[1]) && (y <= max[1]) &&
		    (z >= min[2]) && (z <= max[2]))
		{
			break;
		}
	}

	if (i >= 8) {
		/* fallback, avoid using buffer over-run */
		i = 0;
	}

	// printf("i: %d\n", i);
	// printf("point %f, %f, %f\n", cv[i][0], cv[i][1], cv[i][2]);

	smoke_program = GPU_shader_get_builtin_program(progtype);
	if (smoke_program) {
		GPU_program_bind(smoke_program);

		/* cell spacing */
		GPU_program_parameter_4f(smoke_program, 0, dx, dx, dx, 1.0);
		/* custom parameter for smoke style (higher = thicker) */
		if (sds->active_fields & SM_ACTIVE_COLORS)
			GPU_program_parameter_4f(smoke_program, 1, 1.0, 1.0, 1.0, 10.0);
		else
			GPU_program_parameter_4f(smoke_program, 1, sds->active_color[0], sds->active_color[1], sds->active_color[2], 10.0);
	}
	else
		printf("Your gfx card does not support 3D View smoke drawing.\n");

	GPU_texture_bind(tex, 0);
	if (tex_shadow)
		GPU_texture_bind(tex_shadow, 1);
	else
		printf("No volume shadow\n");

	if (tex_flame) {
		GPU_texture_bind(tex_flame, 2);
		GPU_texture_bind(tex_spec, 3);
	}

	if (!GPU_non_power_of_two_support()) {
		cor[0] = (float)res[0] / (float)power_of_2_max_u(res[0]);
		cor[1] = (float)res[1] / (float)power_of_2_max_u(res[1]);
		cor[2] = (float)res[2] / (float)power_of_2_max_u(res[2]);
	}

	cor[0] /= size[0];
	cor[1] /= size[1];
	cor[2] /= size[2];

	/* our slices are defined by the plane equation a*x + b*y +c*z + d = 0
	 * (a,b,c), the plane normal, are given by viewdir
	 * d is the parameter along the view direction. the first d is given by
	 * inserting previously found vertex into the plane equation */

	/* d0 = (viewnormal[0]*cv[i][0] + viewnormal[1]*cv[i][1] + viewnormal[2]*cv[i][2]); */ /* UNUSED */
	ds = (fabsf(viewnormal[0]) * size[0] + fabsf(viewnormal[1]) * size[1] + fabsf(viewnormal[2]) * size[2]);
	dd = max_fff(sds->global_size[0], sds->global_size[1], sds->global_size[2]) / 128.f;
	n = 0;
	good_index = i;

	// printf("d0: %f, dd: %f, ds: %f\n\n", d0, dd, ds);

	points = MEM_callocN(sizeof(*points) * 12, "smoke_points_preview");

	while (1) {
		float p0[3];
		float tmp_point[3], tmp_point2[3];

		if (dd * (float)n > ds)
			break;

		copy_v3_v3(tmp_point, viewnormal);
		mul_v3_fl(tmp_point, -dd * ((ds / dd) - (float)n));
		add_v3_v3v3(tmp_point2, cv[good_index], tmp_point);
		d = dot_v3v3(tmp_point2, viewnormal);

		// printf("my d: %f\n", d);

		/* intersect_edges returns the intersection points of all cube edges with
		 * the given plane that lie within the cube */
		numpoints = intersect_edges(points, viewnormal[0], viewnormal[1], viewnormal[2], -d, edges);

		// printf("points: %d\n", numpoints);

		if (numpoints > 2) {
			copy_v3_v3(p0, points[0]);

			/* sort points to get a convex polygon */
			for (i = 1; i < numpoints - 1; i++) {
				for (j = i + 1; j < numpoints; j++) {
					if (!convex(p0, viewnormal, points[j], points[i])) {
						swap_v3_v3(points[i], points[j]);
					}
				}
			}

			/* render fire slice */
			if (use_fire) {
				if (GLEW_VERSION_1_4)
					glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE, GL_ONE, GL_ONE);
				else
					glBlendFunc(GL_SRC_ALPHA, GL_ONE);

				GPU_program_parameter_4f(smoke_program, 2, 1.0, 0.0, 0.0, 0.0);
				glBegin(GL_POLYGON);
				glColor3f(1.0, 1.0, 1.0);
				for (i = 0; i < numpoints; i++) {
					glTexCoord3d((points[i][0] - min[0]) * cor[0],
					             (points[i][1] - min[1]) * cor[1],
					             (points[i][2] - min[2]) * cor[2]);
					glVertex3f(points[i][0] * ob_sizei[0],
					           points[i][1] * ob_sizei[1],
					           points[i][2] * ob_sizei[2]);
				}
				glEnd();
			}

			/* render smoke slice */
			if (GLEW_VERSION_1_4)
				glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA);
			else
				glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);

			GPU_program_parameter_4f(smoke_program, 2, -1.0, 0.0, 0.0, 0.0);
			glBegin(GL_POLYGON);
			glColor3f(1.0, 1.0, 1.0);
			for (i = 0; i < numpoints; i++) {
				glTexCoord3d((points[i][0] - min[0]) * cor[0],
				             (points[i][1] - min[1]) * cor[1],
				             (points[i][2] - min[2]) * cor[2]);
				glVertex3f(points[i][0] * ob_sizei[0],
				           points[i][1] * ob_sizei[1],
				           points[i][2] * ob_sizei[2]);
			}
			glEnd();
		}
		n++;
	}

#ifdef DEBUG_DRAW_TIME
	printf("Draw Time: %f\n", (float)TIMEIT_VALUE(draw));
	TIMEIT_END(draw);
#endif

	if (tex_shadow)
		GPU_texture_unbind(tex_shadow);
	GPU_texture_unbind(tex);
	if (tex_flame) {
		GPU_texture_unbind(tex_flame);
		GPU_texture_unbind(tex_spec);
	}
	GPU_texture_free(tex_spec);

	free(spec_data);
	free(spec_pixels);

	if (smoke_program)
		GPU_program_unbind(smoke_program);


	MEM_freeN(points);

	if (!gl_blend) {
		glDisable(GL_BLEND);
	}

	if (gl_depth) {
		glEnable(GL_DEPTH_TEST);
	}
}