Differential D1405 Diff 4658 source/blender/editors/sculpt_paint/paint_vertex.c

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source/blender/editors/sculpt_paint/paint_vertex.c

Show First 20 Lines • Show All 85 Lines • ▼ Show 20 Lines	if (dm) {
if (me && me->mcol) {		if (me && me->mcol) {
return (me->mcol == CustomData_get_layer(&dm->faceData, CD_MCOL));		return (me->mcol == CustomData_get_layer(&dm->faceData, CD_MCOL));
}		}
}		}

return false;		return false;
}		}

/* if the polygons from the mesh and the 'derivedFinal' match
* we can assume that no modifiers are applied and that its worth adding tessellated faces
* so 'vertex_paint_use_fast_update_check()' returns true */
static bool vertex_paint_use_tessface_check(Object ob, Mesh me)
{
DerivedMesh *dm = ob->derivedFinal;

if (me && dm) {
return (me->mpoly == CustomData_get_layer(&dm->polyData, CD_MPOLY));
}

return false;
}

static void update_tessface_data(Object ob, Mesh me)
{
if (vertex_paint_use_tessface_check(ob, me)) {
/* assume if these exist, that they are up to date & valid */
if (!me->mcol \|\| !me->mface) {
/* should always be true */
/* XXX Why this clearing? tessface_calc will reset it anyway! */
#if 0
if (me->mcol) {
memset(me->mcol, 255, 4 * sizeof(MCol) * me->totface);
}
#endif

/* create tessfaces because they will be used for drawing & fast updates */
BKE_mesh_tessface_calc(me); /* does own call to update pointers */
}
}
else {
if (me->totface) {
/* this wont be used, theres no need to keep it */
BKE_mesh_tessface_clear(me);
}
}

}
/* polling - retrieve whether cursor should be set or operator should be done */		/* polling - retrieve whether cursor should be set or operator should be done */

/* Returns true if vertex paint mode is active */		/* Returns true if vertex paint mode is active */
int vertex_paint_mode_poll(bContext *C)		int vertex_paint_mode_poll(bContext *C)
{		{
Object *ob = CTX_data_active_object(C);		Object *ob = CTX_data_active_object(C);

return ob && ob->mode == OB_MODE_VERTEX_PAINT && ((Mesh *)ob->data)->totpoly;		return ob && ob->mode == OB_MODE_VERTEX_PAINT && ((Mesh *)ob->data)->totpoly;
▲ Show 20 Lines • Show All 59 Lines • ▼ Show 20 Lines
{		{
Brush *brush = BKE_paint_brush(&vp->paint);		Brush *brush = BKE_paint_brush(&vp->paint);
unsigned char col[4];		unsigned char col[4];
rgb_float_to_uchar(col, BKE_brush_color_get(scene, brush));		rgb_float_to_uchar(col, BKE_brush_color_get(scene, brush));
col[3] = 255; /* alpha isn't used, could even be removed to speedup paint a little */		col[3] = 255; /* alpha isn't used, could even be removed to speedup paint a little */
return (unsigned int )col;		return (unsigned int )col;
}		}

static void do_shared_vertex_tesscol(Mesh me, bool mfacetag)		static void do_shared_vertexcol(Mesh me, bool mlooptag)
{
/* if no mcol: do not do */
/* if tface: only the involved faces, otherwise all */
const bool use_face_sel = (me->editflag & ME_EDIT_PAINT_FACE_SEL) != 0;
MFace *mface;
int a;
short scolmain, scol;
char *mcol;
const bool *mftag;

if (me->mcol == NULL \|\| me->totvert == 0 \|\| me->totface == 0) return;

scolmain = MEM_callocN(4 * sizeof(short) * me->totvert, "colmain");

mface = me->mface;
mcol = (char *)me->mcol;
for (a = me->totface; a > 0; a--, mface++, mcol += 16) {
if ((use_face_sel == false) \|\| (mface->flag & ME_FACE_SEL)) {
scol = scolmain + 4 * mface->v1;
scol[0]++; scol[1] += mcol[1]; scol[2] += mcol[2]; scol[3] += mcol[3];
scol = scolmain + 4 * mface->v2;
scol[0]++; scol[1] += mcol[5]; scol[2] += mcol[6]; scol[3] += mcol[7];
scol = scolmain + 4 * mface->v3;
scol[0]++; scol[1] += mcol[9]; scol[2] += mcol[10]; scol[3] += mcol[11];
if (mface->v4) {
scol = scolmain + 4 * mface->v4;
scol[0]++; scol[1] += mcol[13]; scol[2] += mcol[14]; scol[3] += mcol[15];
}
}
}

a = me->totvert;
scol = scolmain;
while (a--) {
if (scol[0] > 1) {
scol[1] = divide_round_i(scol[1], scol[0]);
scol[2] = divide_round_i(scol[2], scol[0]);
scol[3] = divide_round_i(scol[3], scol[0]);
}
scol += 4;
}

mface = me->mface;
mcol = (char *)me->mcol;
mftag = mfacetag;
for (a = me->totface; a > 0; a--, mface++, mcol += 16, mftag += 4) {
if ((use_face_sel == false) \|\| (mface->flag & ME_FACE_SEL)) {
if (mftag[0]) {
scol = scolmain + 4 * mface->v1;
mcol[1] = scol[1]; mcol[2] = scol[2]; mcol[3] = scol[3];
}

if (mftag[1]) {
scol = scolmain + 4 * mface->v2;
mcol[5] = scol[1]; mcol[6] = scol[2]; mcol[7] = scol[3];
}

if (mftag[2]) {
scol = scolmain + 4 * mface->v3;
mcol[9] = scol[1]; mcol[10] = scol[2]; mcol[11] = scol[3];
}

if (mface->v4 && mftag[3]) {
scol = scolmain + 4 * mface->v4;
mcol[13] = scol[1]; mcol[14] = scol[2]; mcol[15] = scol[3];
}
}
}

MEM_freeN(scolmain);
}

static void do_shared_vertexcol(Mesh me, bool mlooptag, bool *mfacetag, const bool do_tessface)
{		{
const bool use_face_sel = (me->editflag & ME_EDIT_PAINT_FACE_SEL) != 0;		const bool use_face_sel = (me->editflag & ME_EDIT_PAINT_FACE_SEL) != 0;
MPoly *mp;		MPoly *mp;
int (*scol)[4];		int (*scol)[4];
int i, j;		int i, j;
bool has_shared = false;		bool has_shared = false;

/* if no mloopcol: do not do */		/* if no mloopcol: do not do */
Show All 37 Lines	for (i = 0, mp = me->mpoly; i < me->totpoly; i++, mp++) {
lcol->b = scol[ml->v][2];		lcol->b = scol[ml->v][2];
}		}
}		}
}		}
}		}
}		}

MEM_freeN(scol);		MEM_freeN(scol);

if (has_shared && do_tessface) {
do_shared_vertex_tesscol(me, mfacetag);
}
}		}

static bool make_vertexcol(Object ob) / single ob */		static bool make_vertexcol(Object ob) / single ob */
{		{
Mesh *me;		Mesh *me;

if ((ob->id.lib) \|\|		if ((ob->id.lib) \|\|
((me = BKE_mesh_from_object(ob)) == NULL) \|\|		((me = BKE_mesh_from_object(ob)) == NULL) \|\|
(me->totpoly == 0) \|\|		(me->totpoly == 0) \|\|
(me->edit_btmesh))		(me->edit_btmesh))
{		{
return false;		return false;
}		}

/* copies from shadedisplist to mcol */		/* copies from shadedisplist to mcol */
if (!me->mloopcol && me->totloop) {		if (!me->mloopcol && me->totloop) {
if (!me->mcol) {
CustomData_add_layer(&me->fdata, CD_MCOL, CD_DEFAULT, NULL, me->totface);
}
if (!me->mloopcol) {		if (!me->mloopcol) {
CustomData_add_layer(&me->ldata, CD_MLOOPCOL, CD_DEFAULT, NULL, me->totloop);		CustomData_add_layer(&me->ldata, CD_MLOOPCOL, CD_DEFAULT, NULL, me->totloop);
}		}
BKE_mesh_update_customdata_pointers(me, true);		BKE_mesh_update_customdata_pointers(me, true);
}		}

update_tessface_data(ob, me);

DAG_id_tag_update(&me->id, 0);		DAG_id_tag_update(&me->id, 0);

return (me->mloopcol != NULL);		return (me->mloopcol != NULL);
}		}

/* mirror_vgroup is set to -1 when invalid */		/* mirror_vgroup is set to -1 when invalid */
static int wpaint_mirror_vgroup_ensure(Object *ob, const int vgroup_active)		static int wpaint_mirror_vgroup_ensure(Object *ob, const int vgroup_active)
{		{
▲ Show 20 Lines • Show All 214 Lines • ▼ Show 20 Lines	for (i = 0; i < me->totpoly; i++, mp++) {
for (j = 0; j < mp->totloop; j++, ml_index++, ml++) {		for (j = 0; j < mp->totloop; j++, ml_index++, ml++) {
mlooptag[ml_index] = true;		mlooptag[ml_index] = true;
}		}
}		}

/* remove stale me->mcol, will be added later */		/* remove stale me->mcol, will be added later */
BKE_mesh_tessface_clear(me);		BKE_mesh_tessface_clear(me);

do_shared_vertexcol(me, mlooptag, NULL, false);		do_shared_vertexcol(me, mlooptag);

MEM_freeN(mlooptag);		MEM_freeN(mlooptag);

DAG_id_tag_update(&me->id, 0);		DAG_id_tag_update(&me->id, 0);

return true;		return true;
}		}

▲ Show 20 Lines • Show All 2,143 Lines • ▼ Show 20 Lines	typedef struct VPaintData {
DMCoNo *vertexcosnos;		DMCoNo *vertexcosnos;

float vpimat[3][3];		float vpimat[3][3];

/* modify 'me->mcol' directly, since the derived mesh is drawing from this		/* modify 'me->mcol' directly, since the derived mesh is drawing from this
* array, otherwise we need to refresh the modifier stack */		* array, otherwise we need to refresh the modifier stack */
bool use_fast_update;		bool use_fast_update;

/* mpoly -> mface mapping */
MeshElemMap *polyfacemap;
void *polyfacemap_mem;

/* loops tagged as having been painted, to apply shared vertex color		/* loops tagged as having been painted, to apply shared vertex color
* blending only to modified loops */		* blending only to modified loops */
bool *mlooptag;		bool *mlooptag;
bool *mfacetag;

bool is_texbrush;		bool is_texbrush;
} VPaintData;		} VPaintData;

static void vpaint_build_poly_facemap(struct VPaintData vd, Mesh me)
{
const int *tessface_origindex;

vd->polyfacemap = NULL;
vd->polyfacemap_mem = NULL;

tessface_origindex = CustomData_get_layer(&me->fdata, CD_ORIGINDEX);

if (!tessface_origindex)
return;

BKE_mesh_origindex_map_create(&vd->polyfacemap, (int **)&vd->polyfacemap_mem,
me->totpoly,
tessface_origindex, me->totface);
}

static bool vpaint_stroke_test_start(bContext C, struct wmOperator op, const float UNUSED(mouse[2]))		static bool vpaint_stroke_test_start(bContext C, struct wmOperator op, const float UNUSED(mouse[2]))
{		{
Scene *scene = CTX_data_scene(C);		Scene *scene = CTX_data_scene(C);
ToolSettings *ts = scene->toolsettings;		ToolSettings *ts = scene->toolsettings;
struct PaintStroke *stroke = op->customdata;		struct PaintStroke *stroke = op->customdata;
VPaint *vp = ts->vpaint;		VPaint *vp = ts->vpaint;
Brush *brush = BKE_paint_brush(&vp->paint);		Brush *brush = BKE_paint_brush(&vp->paint);
struct VPaintData *vpd;		struct VPaintData *vpd;
Object *ob = CTX_data_active_object(C);		Object *ob = CTX_data_active_object(C);
Mesh *me;		Mesh *me;
float mat[4][4], imat[4][4];		float mat[4][4], imat[4][4];

/* context checks could be a poll() */		/* context checks could be a poll() */
me = BKE_mesh_from_object(ob);		me = BKE_mesh_from_object(ob);
if (me == NULL \|\| me->totpoly == 0)		if (me == NULL \|\| me->totpoly == 0)
return false;		return false;

if (me->mloopcol == NULL)		if (me->mloopcol == NULL)
make_vertexcol(ob);		make_vertexcol(ob);
if (me->mloopcol == NULL)		if (me->mloopcol == NULL)
return false;		return false;

/* Update tessface data if needed
* Added here too because e.g. switching to/from edit mode would remove tessface data,
* yet "fast_update" could still be used! */
update_tessface_data(ob, me);

/* make mode data storage */		/* make mode data storage */
vpd = MEM_callocN(sizeof(struct VPaintData), "VPaintData");		vpd = MEM_callocN(sizeof(struct VPaintData), "VPaintData");
paint_stroke_set_mode_data(stroke, vpd);		paint_stroke_set_mode_data(stroke, vpd);
view3d_set_viewcontext(C, &vpd->vc);		view3d_set_viewcontext(C, &vpd->vc);

vpd->vp_handle = ED_vpaint_proj_handle_create(vpd->vc.scene, ob, &vpd->vertexcosnos);		vpd->vp_handle = ED_vpaint_proj_handle_create(vpd->vc.scene, ob, &vpd->vertexcosnos);

vpd->indexar = get_indexarray(me);		vpd->indexar = get_indexarray(me);
vpd->paintcol = vpaint_get_current_col(scene, vp);		vpd->paintcol = vpaint_get_current_col(scene, vp);

vpd->is_texbrush = !(brush->vertexpaint_tool == PAINT_BLEND_BLUR) &&		vpd->is_texbrush = !(brush->vertexpaint_tool == PAINT_BLEND_BLUR) &&
brush->mtex.tex;		brush->mtex.tex;

/* are we painting onto a modified mesh?,		/* are we painting onto a modified mesh?,
* if not we can skip face map trickyness */		* if not we can skip face map trickyness */
if (vertex_paint_use_fast_update_check(ob)) {		if (vertex_paint_use_fast_update_check(ob)) {
vpaint_build_poly_facemap(vpd, me);
vpd->use_fast_update = true;		vpd->use_fast_update = true;
/* printf("Fast update!\n");*/		/* printf("Fast update!\n");*/
}		}
else {		else {
vpd->use_fast_update = false;		vpd->use_fast_update = false;
/* printf("No fast update!\n");*/		/* printf("No fast update!\n");*/
}		}

/* to keep tracked of modified loops for shared vertex color blending */		/* to keep tracked of modified loops for shared vertex color blending */
if (brush->vertexpaint_tool == PAINT_BLEND_BLUR) {		if (brush->vertexpaint_tool == PAINT_BLEND_BLUR) {
vpd->mlooptag = MEM_mallocN(sizeof(bool) * me->totloop, "VPaintData mlooptag");		vpd->mlooptag = MEM_mallocN(sizeof(bool) * me->totloop, "VPaintData mlooptag");
if (vpd->use_fast_update)
vpd->mfacetag = MEM_mallocN(sizeof(bool) * me->totface * 4, "VPaintData mfacetag");
}		}

/* for filtering */		/* for filtering */
copy_vpaint_prev(vp, (unsigned int *)me->mloopcol, me->totloop);		copy_vpaint_prev(vp, (unsigned int *)me->mloopcol, me->totloop);

/* some old cruft to sort out later */		/* some old cruft to sort out later */
mul_m4_m4m4(mat, vpd->vc.rv3d->viewmat, ob->obmat);		mul_m4_m4m4(mat, vpd->vc.rv3d->viewmat, ob->obmat);
invert_m4_m4(imat, mat);		invert_m4_m4(imat, mat);
copy_m3_m4(vpd->vpimat, imat);		copy_m3_m4(vpd->vpimat, imat);

return 1;		return 1;
}		}

static void vpaint_paint_poly(VPaint vp, VPaintData vpd, Mesh *me,		static void vpaint_paint_poly(VPaint vp, VPaintData vpd, Mesh *me,
const unsigned int index, const float mval[2],		const unsigned int index, const float mval[2],
const float brush_size_pressure, const float brush_alpha_pressure)		const float brush_size_pressure, const float brush_alpha_pressure)
{		{
ViewContext *vc = &vpd->vc;		ViewContext *vc = &vpd->vc;
Brush *brush = BKE_paint_brush(&vp->paint);		Brush *brush = BKE_paint_brush(&vp->paint);
MPoly *mpoly = &me->mpoly[index];		MPoly *mpoly = &me->mpoly[index];
MFace *mf;
MCol *mc;
MLoop *ml;		MLoop *ml;
MLoopCol *mlc;
unsigned int lcol = ((unsigned int )me->mloopcol) + mpoly->loopstart;		unsigned int lcol = ((unsigned int )me->mloopcol) + mpoly->loopstart;
unsigned int lcolorig = ((unsigned int )vp->vpaint_prev) + mpoly->loopstart;		unsigned int lcolorig = ((unsigned int )vp->vpaint_prev) + mpoly->loopstart;
bool *mlooptag = (vpd->mlooptag) ? vpd->mlooptag + mpoly->loopstart : NULL;		bool *mlooptag = (vpd->mlooptag) ? vpd->mlooptag + mpoly->loopstart : NULL;
bool *mftag;
float alpha;		float alpha;
int i, j;		int i, j;
int totloop = mpoly->totloop;		int totloop = mpoly->totloop;

int brush_alpha_pressure_i = (int)(brush_alpha_pressure * 255.0f);		int brush_alpha_pressure_i = (int)(brush_alpha_pressure * 255.0f);

if (brush->vertexpaint_tool == PAINT_BLEND_BLUR) {		if (brush->vertexpaint_tool == PAINT_BLEND_BLUR) {
unsigned int blend[4] = {0};		unsigned int blend[4] = {0};
Show All 40 Lines	for (i = 0; i < totloop; i++, ml++) {

if (alpha > 0.0f) {		if (alpha > 0.0f) {
const int alpha_i = (int)(alpha * 255.0f);		const int alpha_i = (int)(alpha * 255.0f);
lcol[i] = vpaint_blend(vp, lcol[i], lcolorig[i], paintcol, alpha_i, brush_alpha_pressure_i);		lcol[i] = vpaint_blend(vp, lcol[i], lcolorig[i], paintcol, alpha_i, brush_alpha_pressure_i);

if (mlooptag) mlooptag[i] = 1;		if (mlooptag) mlooptag[i] = 1;
}		}
}		}

if (vpd->use_fast_update) {
const MeshElemMap *map = &vpd->polyfacemap[index];

/* update vertex colors for tessellations incrementally,
* rather then regenerating the tessellation altogether */
for (i = 0; i < map->count; i++) {
const int index_tessface = map->indices[i];

mf = &me->mface[index_tessface];
mc = &me->mcol[index_tessface * 4];
mftag = &vpd->mfacetag[index_tessface * 4];

ml = me->mloop + mpoly->loopstart;
mlc = me->mloopcol + mpoly->loopstart;

for (j = 0; j < totloop; j++, ml++, mlc++) {
/* search for the loop vertex within the tessface */
const int fidx = BKE_MESH_TESSFACE_VINDEX_ORDER(mf, ml->v);
if (fidx != -1) {
MESH_MLOOPCOL_TO_MCOL(mlc, mc + fidx);
if (mlooptag) {
mftag[fidx] = mlooptag[j];
}
}
}
}
}

}		}

static void vpaint_stroke_update_step(bContext C, struct PaintStroke stroke, PointerRNA *itemptr)		static void vpaint_stroke_update_step(bContext C, struct PaintStroke stroke, PointerRNA *itemptr)
{		{
Scene *scene = CTX_data_scene(C);		Scene *scene = CTX_data_scene(C);
ToolSettings *ts = CTX_data_tool_settings(C);		ToolSettings *ts = CTX_data_tool_settings(C);
struct VPaintData *vpd = paint_stroke_mode_data(stroke);		struct VPaintData *vpd = paint_stroke_mode_data(stroke);
VPaint *vp = ts->vpaint;		VPaint *vp = ts->vpaint;
Show All 35 Lines	static void vpaint_stroke_update_step(bContext C, struct PaintStroke stroke, PointerRNA *itemptr)
swap_m4m4(vc->rv3d->persmat, mat);		swap_m4m4(vc->rv3d->persmat, mat);

/* incase we have modifiers */		/* incase we have modifiers */
ED_vpaint_proj_handle_update(vpd->vp_handle, vc->ar, mval);		ED_vpaint_proj_handle_update(vpd->vp_handle, vc->ar, mval);

/* clear modified tag for blur tool */		/* clear modified tag for blur tool */
if (vpd->mlooptag)		if (vpd->mlooptag)
memset(vpd->mlooptag, 0, sizeof(bool) * me->totloop);		memset(vpd->mlooptag, 0, sizeof(bool) * me->totloop);
if (vpd->mfacetag)
memset(vpd->mfacetag, 0, sizeof(bool) * me->totface * 4);

for (index = 0; index < totindex; index++) {		for (index = 0; index < totindex; index++) {
if (indexar[index] && indexar[index] <= me->totpoly) {		if (indexar[index] && indexar[index] <= me->totpoly) {
vpaint_paint_poly(vp, vpd, me, indexar[index] - 1, mval, brush_size_pressure, brush_alpha_pressure);		vpaint_paint_poly(vp, vpd, me, indexar[index] - 1, mval, brush_size_pressure, brush_alpha_pressure);
}		}
}		}

swap_m4m4(vc->rv3d->persmat, mat);		swap_m4m4(vc->rv3d->persmat, mat);

/* was disabled because it is slow, but necessary for blur */		/* was disabled because it is slow, but necessary for blur */
if (brush->vertexpaint_tool == PAINT_BLEND_BLUR) {		if (brush->vertexpaint_tool == PAINT_BLEND_BLUR) {
int do_tessface = vpd->use_fast_update;		do_shared_vertexcol(me, vpd->mlooptag);
do_shared_vertexcol(me, vpd->mlooptag, vpd->mfacetag, do_tessface);
}		}

ED_region_tag_redraw(vc->ar);		ED_region_tag_redraw(vc->ar);

if (vpd->use_fast_update == false) {		if (vpd->use_fast_update == false) {
/* recalculate modifier stack to get new colors, slow,		/* recalculate modifier stack to get new colors, slow,
* avoid this if we can! */		* avoid this if we can! */
DAG_id_tag_update(ob->data, 0);		DAG_id_tag_update(ob->data, 0);
Show All 12 Lines	static void vpaint_stroke_done(const bContext C, struct PaintStroke stroke)
Object *ob = vc->obact;		Object *ob = vc->obact;

ED_vpaint_proj_handle_free(vpd->vp_handle);		ED_vpaint_proj_handle_free(vpd->vp_handle);
MEM_freeN(vpd->indexar);		MEM_freeN(vpd->indexar);

/* frees prev buffer */		/* frees prev buffer */
copy_vpaint_prev(ts->vpaint, NULL, 0);		copy_vpaint_prev(ts->vpaint, NULL, 0);

if (vpd->polyfacemap) {
MEM_freeN(vpd->polyfacemap);
}

if (vpd->polyfacemap_mem) {
MEM_freeN(vpd->polyfacemap_mem);
}

if (vpd->mlooptag)		if (vpd->mlooptag)
MEM_freeN(vpd->mlooptag);		MEM_freeN(vpd->mlooptag);

if (vpd->mfacetag)
MEM_freeN(vpd->mfacetag);

WM_event_add_notifier(C, NC_OBJECT \| ND_DRAW, ob);		WM_event_add_notifier(C, NC_OBJECT \| ND_DRAW, ob);

MEM_freeN(vpd);		MEM_freeN(vpd);
}		}

static int vpaint_invoke(bContext C, wmOperator op, const wmEvent *event)		static int vpaint_invoke(bContext C, wmOperator op, const wmEvent *event)
{		{
int retval;		int retval;
▲ Show 20 Lines • Show All 420 Lines • Show Last 20 Lines