Differential D5023 Diff 15892 source/blender/draw/intern/draw_cache_impl_particles.c

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source/blender/draw/intern/draw_cache_impl_particles.c

Show First 20 Lines • Show All 295 Lines • ▼ Show 20 Lines	static void particle_calculate_parent_uvs(ParticleSystem *psys,
if (psmd == NULL) {		if (psmd == NULL) {
return;		return;
}		}
const int emit_from = psmd->psys->part->from;		const int emit_from = psmd->psys->part->from;
if (!ELEM(emit_from, PART_FROM_FACE, PART_FROM_VOLUME)) {		if (!ELEM(emit_from, PART_FROM_FACE, PART_FROM_VOLUME)) {
return;		return;
}		}
ParticleData *particle = &psys->particles[parent_index];		ParticleData *particle = &psys->particles[parent_index];
		Mesh *mesh_final = BKE_particle_modifier_mesh_final_get(psmd);
int num = particle->num_dmcache;		int num = particle->num_dmcache;
if (num == DMCACHE_NOTFOUND \|\| num == DMCACHE_ISCHILD) {		if (num == DMCACHE_NOTFOUND \|\| num == DMCACHE_ISCHILD) {
if (particle->num < psmd->mesh_final->totface) {		if (particle->num < mesh_final->totface) {
num = particle->num;		num = particle->num;
}		}
}		}
if (num != DMCACHE_NOTFOUND && num != DMCACHE_ISCHILD) {		if (num != DMCACHE_NOTFOUND && num != DMCACHE_ISCHILD) {
MFace *mface = &psmd->mesh_final->mface[num];		MFace *mface = &mesh_final->mface[num];
for (int j = 0; j < num_uv_layers; j++) {		for (int j = 0; j < num_uv_layers; j++) {
psys_interpolate_uvs(mtfaces[j] + num, mface->v4, particle->fuv, r_uv[j]);		psys_interpolate_uvs(mtfaces[j] + num, mface->v4, particle->fuv, r_uv[j]);
}		}
}		}
}		}

static void particle_calculate_parent_mcol(ParticleSystem *psys,		static void particle_calculate_parent_mcol(ParticleSystem *psys,
ParticleSystemModifierData *psmd,		ParticleSystemModifierData *psmd,
const int num_uv_layers,		const int num_uv_layers,
const int parent_index,		const int parent_index,
/const/ MCol **mcols,		/const/ MCol **mcols,
MCol *r_mcol)		MCol *r_mcol)
{		{
if (psmd == NULL) {		if (psmd == NULL) {
return;		return;
}		}
const int emit_from = psmd->psys->part->from;		const int emit_from = psmd->psys->part->from;
if (!ELEM(emit_from, PART_FROM_FACE, PART_FROM_VOLUME)) {		if (!ELEM(emit_from, PART_FROM_FACE, PART_FROM_VOLUME)) {
return;		return;
}		}
ParticleData *particle = &psys->particles[parent_index];		ParticleData *particle = &psys->particles[parent_index];
		Mesh *mesh_final = BKE_particle_modifier_mesh_final_get(psmd);
int num = particle->num_dmcache;		int num = particle->num_dmcache;
if (num == DMCACHE_NOTFOUND \|\| num == DMCACHE_ISCHILD) {		if (num == DMCACHE_NOTFOUND \|\| num == DMCACHE_ISCHILD) {
if (particle->num < psmd->mesh_final->totface) {		if (particle->num < mesh_final->totface) {
num = particle->num;		num = particle->num;
}		}
}		}
if (num != DMCACHE_NOTFOUND && num != DMCACHE_ISCHILD) {		if (num != DMCACHE_NOTFOUND && num != DMCACHE_ISCHILD) {
MFace *mface = &psmd->mesh_final->mface[num];		MFace *mface = &mesh_final->mface[num];
for (int j = 0; j < num_uv_layers; j++) {		for (int j = 0; j < num_uv_layers; j++) {
psys_interpolate_mcol(mcols[j] + num, mface->v4, particle->fuv, &r_mcol[j]);		psys_interpolate_mcol(mcols[j] + num, mface->v4, particle->fuv, &r_mcol[j]);
}		}
}		}
}		}

/* Used by interpolated children. */		/* Used by interpolated children. */
static void particle_interpolate_children_uvs(ParticleSystem *psys,		static void particle_interpolate_children_uvs(ParticleSystem *psys,
ParticleSystemModifierData *psmd,		ParticleSystemModifierData *psmd,
const int num_uv_layers,		const int num_uv_layers,
const int child_index,		const int child_index,
/const/ MTFace **mtfaces,		/const/ MTFace **mtfaces,
float (*r_uv)[2])		float (*r_uv)[2])
{		{
if (psmd == NULL) {		if (psmd == NULL) {
return;		return;
}		}
const int emit_from = psmd->psys->part->from;		const int emit_from = psmd->psys->part->from;
if (!ELEM(emit_from, PART_FROM_FACE, PART_FROM_VOLUME)) {		if (!ELEM(emit_from, PART_FROM_FACE, PART_FROM_VOLUME)) {
return;		return;
}		}
ChildParticle *particle = &psys->child[child_index];		ChildParticle *particle = &psys->child[child_index];
int num = particle->num;		int num = particle->num;
		Mesh *mesh_final = BKE_particle_modifier_mesh_final_get(psmd);
if (num != DMCACHE_NOTFOUND) {		if (num != DMCACHE_NOTFOUND) {
MFace *mface = &psmd->mesh_final->mface[num];		MFace *mface = &mesh_final->mface[num];
for (int j = 0; j < num_uv_layers; j++) {		for (int j = 0; j < num_uv_layers; j++) {
psys_interpolate_uvs(mtfaces[j] + num, mface->v4, particle->fuv, r_uv[j]);		psys_interpolate_uvs(mtfaces[j] + num, mface->v4, particle->fuv, r_uv[j]);
}		}
}		}
}		}

static void particle_interpolate_children_mcol(ParticleSystem *psys,		static void particle_interpolate_children_mcol(ParticleSystem *psys,
ParticleSystemModifierData *psmd,		ParticleSystemModifierData *psmd,
const int num_col_layers,		const int num_col_layers,
const int child_index,		const int child_index,
/const/ MCol **mcols,		/const/ MCol **mcols,
MCol *r_mcol)		MCol *r_mcol)
{		{
if (psmd == NULL) {		if (psmd == NULL) {
return;		return;
}		}
const int emit_from = psmd->psys->part->from;		const int emit_from = psmd->psys->part->from;
if (!ELEM(emit_from, PART_FROM_FACE, PART_FROM_VOLUME)) {		if (!ELEM(emit_from, PART_FROM_FACE, PART_FROM_VOLUME)) {
return;		return;
}		}
ChildParticle *particle = &psys->child[child_index];		ChildParticle *particle = &psys->child[child_index];
		Mesh *mesh_final = BKE_particle_modifier_mesh_final_get(psmd);
int num = particle->num;		int num = particle->num;
if (num != DMCACHE_NOTFOUND) {		if (num != DMCACHE_NOTFOUND) {
MFace *mface = &psmd->mesh_final->mface[num];		MFace *mface = &mesh_final->mface[num];
for (int j = 0; j < num_col_layers; j++) {		for (int j = 0; j < num_col_layers; j++) {
psys_interpolate_mcol(mcols[j] + num, mface->v4, particle->fuv, &r_mcol[j]);		psys_interpolate_mcol(mcols[j] + num, mface->v4, particle->fuv, &r_mcol[j]);
}		}
}		}
}		}

static void particle_calculate_uvs(ParticleSystem *psys,		static void particle_calculate_uvs(ParticleSystem *psys,
ParticleSystemModifierData *psmd,		ParticleSystemModifierData *psmd,
▲ Show 20 Lines • Show All 435 Lines • ▼ Show 20 Lines	static void particle_batch_cache_ensure_procedural_strand_data(PTCacheEdit *edit,
ParticleSystem *psys,		ParticleSystem *psys,
ModifierData *md,		ModifierData *md,
ParticleHairCache *cache)		ParticleHairCache *cache)
{		{
int active_uv = 0;		int active_uv = 0;
int active_col = 0;		int active_col = 0;

ParticleSystemModifierData psmd = (ParticleSystemModifierData )md;		ParticleSystemModifierData psmd = (ParticleSystemModifierData )md;
		Mesh *mesh_final = BKE_particle_modifier_mesh_final_get(psmd);

if (psmd != NULL && psmd->mesh_final != NULL) {		if (psmd != NULL && mesh_final != NULL) {
if (CustomData_has_layer(&psmd->mesh_final->ldata, CD_MLOOPUV)) {		if (CustomData_has_layer(&mesh_final->ldata, CD_MLOOPUV)) {
cache->num_uv_layers = CustomData_number_of_layers(&psmd->mesh_final->ldata, CD_MLOOPUV);		cache->num_uv_layers = CustomData_number_of_layers(&mesh_final->ldata, CD_MLOOPUV);
active_uv = CustomData_get_active_layer(&psmd->mesh_final->ldata, CD_MLOOPUV);		active_uv = CustomData_get_active_layer(&mesh_final->ldata, CD_MLOOPUV);
}		}
if (CustomData_has_layer(&psmd->mesh_final->ldata, CD_MLOOPCOL)) {		if (CustomData_has_layer(&mesh_final->ldata, CD_MLOOPCOL)) {
cache->num_col_layers = CustomData_number_of_layers(&psmd->mesh_final->ldata, CD_MLOOPCOL);		cache->num_col_layers = CustomData_number_of_layers(&mesh_final->ldata, CD_MLOOPCOL);
active_col = CustomData_get_active_layer(&psmd->mesh_final->ldata, CD_MLOOPCOL);		active_col = CustomData_get_active_layer(&mesh_final->ldata, CD_MLOOPCOL);
}		}
}		}

GPUVertBufRaw data_step, seg_step;		GPUVertBufRaw data_step, seg_step;
GPUVertBufRaw uv_step[MAX_MTFACE];		GPUVertBufRaw uv_step[MAX_MTFACE];
GPUVertBufRaw col_step[MAX_MCOL];		GPUVertBufRaw col_step[MAX_MCOL];

MTFace *mtfaces[MAX_MTFACE] = {NULL};		MTFace *mtfaces[MAX_MTFACE] = {NULL};
Show All 27 Lines	static void particle_batch_cache_ensure_procedural_strand_data(PTCacheEdit *edit,
GPU_vertbuf_attr_get_raw_data(cache->proc_strand_seg_buf, seg_id, &seg_step);		GPU_vertbuf_attr_get_raw_data(cache->proc_strand_seg_buf, seg_id, &seg_step);

/* UV layers */		/* UV layers */
for (int i = 0; i < cache->num_uv_layers; i++) {		for (int i = 0; i < cache->num_uv_layers; i++) {
cache->proc_uv_buf[i] = GPU_vertbuf_create_with_format(&format_uv);		cache->proc_uv_buf[i] = GPU_vertbuf_create_with_format(&format_uv);
GPU_vertbuf_data_alloc(cache->proc_uv_buf[i], cache->strands_len);		GPU_vertbuf_data_alloc(cache->proc_uv_buf[i], cache->strands_len);
GPU_vertbuf_attr_get_raw_data(cache->proc_uv_buf[i], uv_id, &uv_step[i]);		GPU_vertbuf_attr_get_raw_data(cache->proc_uv_buf[i], uv_id, &uv_step[i]);

const char *name = CustomData_get_layer_name(&psmd->mesh_final->ldata, CD_MLOOPUV, i);		const char *name = CustomData_get_layer_name(&mesh_final->ldata, CD_MLOOPUV, i);
uint hash = BLI_ghashutil_strhash_p(name);		uint hash = BLI_ghashutil_strhash_p(name);
int n = 0;		int n = 0;
BLI_snprintf(cache->uv_layer_names[i][n++], MAX_LAYER_NAME_LEN, "u%u", hash);		BLI_snprintf(cache->uv_layer_names[i][n++], MAX_LAYER_NAME_LEN, "u%u", hash);
BLI_snprintf(cache->uv_layer_names[i][n++], MAX_LAYER_NAME_LEN, "a%u", hash);		BLI_snprintf(cache->uv_layer_names[i][n++], MAX_LAYER_NAME_LEN, "a%u", hash);

if (i == active_uv) {		if (i == active_uv) {
BLI_strncpy(cache->uv_layer_names[i][n], "u", MAX_LAYER_NAME_LEN);		BLI_strncpy(cache->uv_layer_names[i][n], "u", MAX_LAYER_NAME_LEN);
}		}
}		}
/* Vertex colors */		/* Vertex colors */
for (int i = 0; i < cache->num_col_layers; i++) {		for (int i = 0; i < cache->num_col_layers; i++) {
cache->proc_col_buf[i] = GPU_vertbuf_create_with_format(&format_col);		cache->proc_col_buf[i] = GPU_vertbuf_create_with_format(&format_col);
GPU_vertbuf_data_alloc(cache->proc_col_buf[i], cache->strands_len);		GPU_vertbuf_data_alloc(cache->proc_col_buf[i], cache->strands_len);
GPU_vertbuf_attr_get_raw_data(cache->proc_col_buf[i], col_id, &col_step[i]);		GPU_vertbuf_attr_get_raw_data(cache->proc_col_buf[i], col_id, &col_step[i]);

const char *name = CustomData_get_layer_name(&psmd->mesh_final->ldata, CD_MLOOPCOL, i);		const char *name = CustomData_get_layer_name(&mesh_final->ldata, CD_MLOOPCOL, i);
uint hash = BLI_ghashutil_strhash_p(name);		uint hash = BLI_ghashutil_strhash_p(name);
int n = 0;		int n = 0;
BLI_snprintf(cache->col_layer_names[i][n++], MAX_LAYER_NAME_LEN, "c%u", hash);		BLI_snprintf(cache->col_layer_names[i][n++], MAX_LAYER_NAME_LEN, "c%u", hash);

/* We only do vcols auto name that are not overridden by uvs */		/* We only do vcols auto name that are not overridden by uvs */
if (CustomData_get_named_layer_index(&psmd->mesh_final->ldata, CD_MLOOPUV, name) == -1) {		if (CustomData_get_named_layer_index(&mesh_final->ldata, CD_MLOOPUV, name) == -1) {
BLI_snprintf(cache->col_layer_names[i][n++], MAX_LAYER_NAME_LEN, "a%u", hash);		BLI_snprintf(cache->col_layer_names[i][n++], MAX_LAYER_NAME_LEN, "a%u", hash);
}		}

if (i == active_col) {		if (i == active_col) {
BLI_strncpy(cache->col_layer_names[i][n], "c", MAX_LAYER_NAME_LEN);		BLI_strncpy(cache->col_layer_names[i][n], "c", MAX_LAYER_NAME_LEN);
}		}
}		}

if (cache->num_uv_layers \|\| cache->num_col_layers) {		if (cache->num_uv_layers \|\| cache->num_col_layers) {
BKE_mesh_tessface_ensure(psmd->mesh_final);		BKE_mesh_tessface_ensure(mesh_final);
if (cache->num_uv_layers) {		if (cache->num_uv_layers) {
for (int j = 0; j < cache->num_uv_layers; j++) {		for (int j = 0; j < cache->num_uv_layers; j++) {
mtfaces[j] = (MTFace *)CustomData_get_layer_n(&psmd->mesh_final->fdata, CD_MTFACE, j);		mtfaces[j] = (MTFace *)CustomData_get_layer_n(&mesh_final->fdata, CD_MTFACE, j);
}		}
}		}
if (cache->num_col_layers) {		if (cache->num_col_layers) {
for (int j = 0; j < cache->num_col_layers; j++) {		for (int j = 0; j < cache->num_col_layers; j++) {
mcols[j] = (MCol *)CustomData_get_layer_n(&psmd->mesh_final->fdata, CD_MCOL, j);		mcols[j] = (MCol *)CustomData_get_layer_n(&mesh_final->fdata, CD_MCOL, j);
}		}
}		}
}		}

if (edit != NULL && edit->pathcache != NULL) {		if (edit != NULL && edit->pathcache != NULL) {
particle_batch_cache_fill_strands_data(psys,		particle_batch_cache_fill_strands_data(psys,
psmd,		psmd,
edit->pathcache,		edit->pathcache,
▲ Show 20 Lines • Show All 196 Lines • ▼ Show 20 Lines	static void particle_batch_cache_ensure_pos_and_seg(PTCacheEdit *edit,
int num_col_layers = 0;		int num_col_layers = 0;
int active_uv = 0;		int active_uv = 0;
int active_col = 0;		int active_col = 0;
MTFace **mtfaces = NULL;		MTFace **mtfaces = NULL;
MCol **mcols = NULL;		MCol **mcols = NULL;
float(**parent_uvs)[2] = NULL;		float(**parent_uvs)[2] = NULL;
MCol **parent_mcol = NULL;		MCol **parent_mcol = NULL;

		Mesh *mesh_final = BKE_particle_modifier_mesh_final_get(psmd);

if (psmd != NULL) {		if (psmd != NULL) {
if (CustomData_has_layer(&psmd->mesh_final->ldata, CD_MLOOPUV)) {		if (CustomData_has_layer(&mesh_final->ldata, CD_MLOOPUV)) {
num_uv_layers = CustomData_number_of_layers(&psmd->mesh_final->ldata, CD_MLOOPUV);		num_uv_layers = CustomData_number_of_layers(&mesh_final->ldata, CD_MLOOPUV);
active_uv = CustomData_get_active_layer(&psmd->mesh_final->ldata, CD_MLOOPUV);		active_uv = CustomData_get_active_layer(&mesh_final->ldata, CD_MLOOPUV);
}		}
if (CustomData_has_layer(&psmd->mesh_final->ldata, CD_MLOOPCOL)) {		if (CustomData_has_layer(&mesh_final->ldata, CD_MLOOPCOL)) {
num_col_layers = CustomData_number_of_layers(&psmd->mesh_final->ldata, CD_MLOOPCOL);		num_col_layers = CustomData_number_of_layers(&mesh_final->ldata, CD_MLOOPCOL);
active_col = CustomData_get_active_layer(&psmd->mesh_final->ldata, CD_MLOOPCOL);		active_col = CustomData_get_active_layer(&mesh_final->ldata, CD_MLOOPCOL);
}		}
}		}

GPU_vertformat_clear(&format);		GPU_vertformat_clear(&format);

/* initialize vertex format */		/* initialize vertex format */
attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);		attr_id.pos = GPU_vertformat_attr_add(&format, "pos", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
attr_id.tan = GPU_vertformat_attr_add(&format, "nor", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);		attr_id.tan = GPU_vertformat_attr_add(&format, "nor", GPU_COMP_F32, 3, GPU_FETCH_FLOAT);
attr_id.ind = GPU_vertformat_attr_add(&format, "ind", GPU_COMP_I32, 1, GPU_FETCH_INT);		attr_id.ind = GPU_vertformat_attr_add(&format, "ind", GPU_COMP_I32, 1, GPU_FETCH_INT);

if (psmd) {		if (psmd) {
uv_id = MEM_mallocN(sizeof(uv_id) num_uv_layers, "UV attr format");		uv_id = MEM_mallocN(sizeof(uv_id) num_uv_layers, "UV attr format");
col_id = MEM_mallocN(sizeof(col_id) num_col_layers, "Col attr format");		col_id = MEM_mallocN(sizeof(col_id) num_col_layers, "Col attr format");

for (int i = 0; i < num_uv_layers; i++) {		for (int i = 0; i < num_uv_layers; i++) {
const char *name = CustomData_get_layer_name(&psmd->mesh_final->ldata, CD_MLOOPUV, i);		const char *name = CustomData_get_layer_name(&mesh_final->ldata, CD_MLOOPUV, i);
char uuid[32];		char uuid[32];

BLI_snprintf(uuid, sizeof(uuid), "u%u", BLI_ghashutil_strhash_p(name));		BLI_snprintf(uuid, sizeof(uuid), "u%u", BLI_ghashutil_strhash_p(name));
uv_id[i] = GPU_vertformat_attr_add(&format, uuid, GPU_COMP_F32, 2, GPU_FETCH_FLOAT);		uv_id[i] = GPU_vertformat_attr_add(&format, uuid, GPU_COMP_F32, 2, GPU_FETCH_FLOAT);

if (i == active_uv) {		if (i == active_uv) {
GPU_vertformat_alias_add(&format, "u");		GPU_vertformat_alias_add(&format, "u");
}		}
}		}

for (int i = 0; i < num_uv_layers; i++) {		for (int i = 0; i < num_uv_layers; i++) {
const char *name = CustomData_get_layer_name(&psmd->mesh_final->ldata, CD_MLOOPUV, i);		const char *name = CustomData_get_layer_name(&mesh_final->ldata, CD_MLOOPUV, i);
char uuid[32];		char uuid[32];

BLI_snprintf(uuid, sizeof(uuid), "c%u", BLI_ghashutil_strhash_p(name));		BLI_snprintf(uuid, sizeof(uuid), "c%u", BLI_ghashutil_strhash_p(name));
col_id[i] = GPU_vertformat_attr_add(&format, uuid, GPU_COMP_F32, 2, GPU_FETCH_FLOAT);		col_id[i] = GPU_vertformat_attr_add(&format, uuid, GPU_COMP_F32, 2, GPU_FETCH_FLOAT);

if (i == active_col) {		if (i == active_col) {
GPU_vertformat_alias_add(&format, "c");		GPU_vertformat_alias_add(&format, "c");
}		}
}		}
}		}

hair_cache->pos = GPU_vertbuf_create_with_format(&format);		hair_cache->pos = GPU_vertbuf_create_with_format(&format);
GPU_vertbuf_data_alloc(hair_cache->pos, hair_cache->point_len);		GPU_vertbuf_data_alloc(hair_cache->pos, hair_cache->point_len);

GPUIndexBufBuilder elb;		GPUIndexBufBuilder elb;
GPU_indexbuf_init_ex(&elb, GPU_PRIM_LINE_STRIP, hair_cache->elems_len, hair_cache->point_len);		GPU_indexbuf_init_ex(&elb, GPU_PRIM_LINE_STRIP, hair_cache->elems_len, hair_cache->point_len);

if (num_uv_layers \|\| num_col_layers) {		if (num_uv_layers \|\| num_col_layers) {
BKE_mesh_tessface_ensure(psmd->mesh_final);		BKE_mesh_tessface_ensure(mesh_final);
if (num_uv_layers) {		if (num_uv_layers) {
mtfaces = MEM_mallocN(sizeof(mtfaces) num_uv_layers, "Faces UV layers");		mtfaces = MEM_mallocN(sizeof(mtfaces) num_uv_layers, "Faces UV layers");
for (int i = 0; i < num_uv_layers; i++) {		for (int i = 0; i < num_uv_layers; i++) {
mtfaces[i] = (MTFace *)CustomData_get_layer_n(&psmd->mesh_final->fdata, CD_MTFACE, i);		mtfaces[i] = (MTFace *)CustomData_get_layer_n(&mesh_final->fdata, CD_MTFACE, i);
}		}
}		}
if (num_col_layers) {		if (num_col_layers) {
mcols = MEM_mallocN(sizeof(mcols) num_col_layers, "Color layers");		mcols = MEM_mallocN(sizeof(mcols) num_col_layers, "Color layers");
for (int i = 0; i < num_col_layers; i++) {		for (int i = 0; i < num_col_layers; i++) {
mcols[i] = (MCol *)CustomData_get_layer_n(&psmd->mesh_final->fdata, CD_MCOL, i);		mcols[i] = (MCol *)CustomData_get_layer_n(&mesh_final->fdata, CD_MCOL, i);
}		}
}		}
}		}

if (edit != NULL && edit->pathcache != NULL) {		if (edit != NULL && edit->pathcache != NULL) {
curr_point = particle_batch_cache_fill_segments(psys,		curr_point = particle_batch_cache_fill_segments(psys,
psmd,		psmd,
edit->pathcache,		edit->pathcache,
▲ Show 20 Lines • Show All 461 Lines • Show Last 20 Lines