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Multires: Make code more ready for mesh uised by multiple objects

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Probably more work is needed, but is good starting point.
This commit is contained in:
Sergey Sharybin
2018-09-25 10:44:29 +02:00
parent 15792eb728
commit 53b25e88f4
1 changed files with 47 additions and 26 deletions
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73
source/blender/blenkernel/intern/multires_reshape.c
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@@ -182,27 +182,30 @@ static void multires_reshape_ensure_displacement_grid(
}
static void multires_reshape_ensure_displacement_grids(
MultiresReshapeContext *ctx)
Mesh *mesh,
const int grid_level)
{
const int num_grids = ctx->coarse_mesh->totloop;
const int grid_level = ctx->level;
const int num_grids = mesh->totloop;
MDisps *mdisps = CustomData_get_layer(&mesh->ldata, CD_MDISPS);
for (int grid_index = 0; grid_index < num_grids; grid_index++) {
multires_reshape_ensure_displacement_grid(
&ctx->mdisps[grid_index], grid_level);
&mdisps[grid_index], grid_level);
}
}
static void multires_reshape_ensure_mask_grids(
MultiresReshapeContext *ctx)
static void multires_reshape_ensure_mask_grids(Mesh *mesh, const int grid_level)
{
if (ctx->grid_paint_mask == NULL) {
GridPaintMask *grid_paint_masks =
CustomData_get_layer(&mesh->ldata, CD_GRID_PAINT_MASK);
if (grid_paint_masks == NULL) {
return;
}
const int num_grids = ctx->coarse_mesh->totloop;
const int grid_level = ctx->level;
const int grid_area = ctx->grid_size * ctx->grid_size;
const int num_grids = mesh->totloop;
/* TODO(sergey): Use grid_size_for_level_get() somehow. */
const int grid_size = (1 << (grid_level - 1)) + 1;
const int grid_area = grid_size * grid_size;
for (int grid_index = 0; grid_index < num_grids; grid_index++) {
GridPaintMask *grid_paint_mask = &ctx->grid_paint_mask[grid_index];
GridPaintMask *grid_paint_mask = &grid_paint_masks[grid_index];
if (grid_paint_mask->level == grid_level) {
continue;
}
@@ -215,11 +218,10 @@ static void multires_reshape_ensure_mask_grids(
}
}
static void multires_reshape_ensure_grids(
MultiresReshapeContext *ctx)
static void multires_reshape_ensure_grids(Mesh *mesh, const int grid_level)
{
multires_reshape_ensure_displacement_grids(ctx);
multires_reshape_ensure_mask_grids(ctx);
multires_reshape_ensure_displacement_grids(mesh, grid_level);
multires_reshape_ensure_mask_grids(mesh, grid_level);
}
static void multires_reshape_vertex_copy_to_next(
@@ -464,13 +466,14 @@ static void multires_reshape_propagate_prepare_from_mmd(
struct Depsgraph *depsgraph,
Object *object,
const MultiresModifierData *mmd,
const int top_level,
const bool use_render_params)
{
Scene *scene_eval = DEG_get_evaluated_scene(depsgraph);
Mesh *mesh = object->data;
const int level = multires_get_level(
scene_eval, object, mmd, use_render_params, true);
multires_reshape_propagate_prepare(data, mesh, level, mmd->totlvl);
multires_reshape_propagate_prepare(data, mesh, level, top_level);
}
static void multires_reshape_propagate_corner_data(
@@ -802,14 +805,25 @@ static bool multires_reshape_from_vertcos(
Scene *scene_eval = DEG_get_evaluated_scene(depsgraph);
Mesh *coarse_mesh = object->data;
MDisps *mdisps = CustomData_get_layer(&coarse_mesh->ldata, CD_MDISPS);
/* Make sure displacement grids are ready. */
multires_reshape_ensure_grids(coarse_mesh, mmd->totlvl);
/* Pick maximum between multires level and dispalcement level.
* This is because mesh can be used by objects with multires at different
* levels.
*
* TODO(sergey): At this point it should be possible to always use
* mdisps->level.
*/
const int top_level = max_ii(mmd->totlvl, mdisps->level);
/* Construct context. */
MultiresReshapeFromDeformedVertsContext reshape_deformed_verts_ctx = {
.reshape_ctx = {
.coarse_mesh = coarse_mesh,
.mdisps = mdisps,
.grid_paint_mask = NULL,
/* TODO(sergey): Use grid_size_for_level_get */
.grid_size = (1 << (mmd->totlvl - 1)) + 1,
.level = mmd->totlvl,
.grid_size = (1 << (top_level - 1)) + 1,
.level = top_level,
},
.deformed_verts = deformed_verts,
.num_deformed_verts = num_deformed_verts,
@@ -821,8 +835,6 @@ static bool multires_reshape_from_vertcos(
.vertex_every_corner = multires_reshape_vertex_every_corner,
.user_data = &reshape_deformed_verts_ctx,
};
/* Make sure displacement grids are ready. */
multires_reshape_ensure_grids(&reshape_deformed_verts_ctx.reshape_ctx);
/* Initialize subdivision surface. */
Subdiv *subdiv = multires_subdiv_for_reshape(depsgraph, object, mmd);
if (subdiv == NULL) {
@@ -836,7 +848,7 @@ static bool multires_reshape_from_vertcos(
/* Initialize propagation to higher levels. */
MultiresPropagateData propagate_data;
multires_reshape_propagate_prepare_from_mmd(
&propagate_data, depsgraph, object, mmd, use_render_params);
&propagate_data, depsgraph, object, mmd, top_level, use_render_params);
/* Run all the callbacks. */
BKE_subdiv_foreach_subdiv_geometry(
subdiv,
@@ -1084,6 +1096,17 @@ bool multiresModifier_reshapeFromCCG(
GridPaintMask *grid_paint_mask =
CustomData_get_layer(&coarse_mesh->ldata, CD_GRID_PAINT_MASK);
Subdiv *subdiv = subdiv_ccg->subdiv;
/* Make sure displacement grids are ready. */
multires_reshape_ensure_grids(coarse_mesh, tot_level);
/* Pick maximum between multires level and dispalcement level.
* This is because mesh can be used by objects with multires at different
* levels.
*
* TODO(sergey): At this point it should be possible to always use
* mdisps->level.
*/
const int top_level = max_ii(tot_level, mdisps->level);
/* Construct context. */
ReshapeFromCCGTaskData data = {
.reshape_ctx = {
.subdiv = subdiv,
@@ -1091,17 +1114,15 @@ bool multiresModifier_reshapeFromCCG(
.mdisps = mdisps,
.grid_paint_mask = grid_paint_mask,
/* TODO(sergey): Use grid_size_for_level_get */
.grid_size = (1 << (tot_level - 1)) + 1,
.level = tot_level},
.grid_size = (1 << (top_level - 1)) + 1,
.level = top_level},
.face_ptex_offset = BKE_subdiv_face_ptex_offset_get(subdiv),
.key = &key,
.grids = subdiv_ccg->grids};
/* Make sure displacement grids are ready. */
multires_reshape_ensure_grids(&data.reshape_ctx);
/* Initialize propagation to higher levels. */
MultiresPropagateData propagate_data;
multires_reshape_propagate_prepare(
&propagate_data, coarse_mesh, key.level, tot_level);
&propagate_data, coarse_mesh, key.level, top_level);
/* Threaded grids iteration. */
ParallelRangeSettings parallel_range_settings;
BLI_parallel_range_settings_defaults(&parallel_range_settings);