[Bf-blender-cvs] [e3eaca976a3] blender2.8: Draw manager: De-duplicate calculation of parent UVs
Sergey Sharybin
noreply at git.blender.org
Wed May 9 10:34:59 CEST 2018
Commit: e3eaca976a334c34f811d2f14227f82d4b6d4342
Author: Sergey Sharybin
Date: Tue May 8 14:06:00 2018 +0200
Branches: blender2.8
https://developer.blender.org/rBe3eaca976a334c34f811d2f14227f82d4b6d4342
Draw manager: De-duplicate calculation of parent UVs
===================================================================
M source/blender/draw/intern/draw_cache_impl_particles.c
===================================================================
diff --git a/source/blender/draw/intern/draw_cache_impl_particles.c b/source/blender/draw/intern/draw_cache_impl_particles.c
index 7082895e096..19b0949d7ea 100644
--- a/source/blender/draw/intern/draw_cache_impl_particles.c
+++ b/source/blender/draw/intern/draw_cache_impl_particles.c
@@ -177,6 +177,32 @@ static void ensure_seg_pt_count(ParticleSystem *psys, ParticleBatchCache *cache)
}
}
+/* Used by parent particles and simple children. */
+static void particle_calculate_parent_uvs(ParticleSystem *psys,
+ ParticleSystemModifierData *psmd,
+ const int num_uv_layers,
+ const int parent_index,
+ /*const*/ MTFace **mtfaces,
+ float (*r_uv)[2])
+{
+ ParticleData *particle = &psys->particles[parent_index];
+ int num = particle->num_dmcache;
+ if (num == DMCACHE_NOTFOUND) {
+ if (particle->num < psmd->dm_final->getNumTessFaces(psmd->dm_final)) {
+ num = particle->num;
+ }
+ }
+ if (num != DMCACHE_NOTFOUND) {
+ MFace *mface = psmd->dm_final->getTessFaceData(psmd->dm_final, num, CD_MFACE);
+ for (int j = 0; j < num_uv_layers; j++) {
+ psys_interpolate_uvs(mtfaces[j] + num,
+ mface->v4,
+ particle->fuv,
+ r_uv[j]);
+ }
+ }
+}
+
/* Gwn_Batch cache usage. */
static void particle_batch_cache_ensure_pos_and_seg(ParticleSystem *psys, ModifierData *md, ParticleBatchCache *cache)
{
@@ -256,19 +282,8 @@ static void particle_batch_cache_ensure_pos_and_seg(ParticleSystem *psys, Modifi
}
}
if (ELEM(from, PART_FROM_FACE, PART_FROM_VOLUME)) {
- ParticleData *particle = &psys->particles[i];
- int num = particle->num_dmcache;
- if (num == DMCACHE_NOTFOUND) {
- if (particle->num < psmd->dm_final->getNumTessFaces(psmd->dm_final)) {
- num = particle->num;
- }
- }
- if (num != DMCACHE_NOTFOUND) {
- MFace *mface = psmd->dm_final->getTessFaceData(psmd->dm_final, num, CD_MFACE);
- for (int j = 0; j < num_uv_layers; j++) {
- psys_interpolate_uvs(mtfaces[j] + num, mface->v4, particle->fuv, uv[j]);
- }
- }
+ particle_calculate_parent_uvs(
+ psys, psmd, num_uv_layers, i, mtfaces, uv);
}
for (int j = 0; j < path->segments; j++) {
if (j == 0) {
@@ -342,19 +357,9 @@ static void particle_batch_cache_ensure_pos_and_seg(ParticleSystem *psys, Modifi
uv = parent_uvs[psys->child[i].parent] = MEM_callocN(sizeof(*uv) * num_uv_layers, "Particle UVs");
}
if (ELEM(from, PART_FROM_FACE, PART_FROM_VOLUME)) {
- ParticleData *particle = &psys->particles[psys->child[i].parent];
- int num = particle->num_dmcache;
- if (num == DMCACHE_NOTFOUND) {
- if (particle->num < psmd->dm_final->getNumTessFaces(psmd->dm_final)) {
- num = particle->num;
- }
- }
- if (num != DMCACHE_NOTFOUND) {
- MFace *mface = psmd->dm_final->getTessFaceData(psmd->dm_final, num, CD_MFACE);
- for (int j = 0; j < num_uv_layers; j++) {
- psys_interpolate_uvs(mtfaces[j] + num, mface->v4, particle->fuv, uv[j]);
- }
- }
+ const int parent_index = psys->child[i].parent;
+ particle_calculate_parent_uvs(
+ psys, psmd, num_uv_layers, parent_index, mtfaces, uv);
}
}
for (int j = 0; j < path->segments; j++) {
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