Spreadsheet: Add mesh topology information with a debug value

This commit adds topology information from mesh data structs to the
spreadsheet when the debug value `4001` is set. Eventually we could
expose these. For now it can be a useful tool for developers when
working on mesh algorithms.

Differential Revision: https://developer.blender.org/D13735
This commit is contained in:
Hans Goudey 2022-01-10 16:45:53 -06:00
parent 37b336a8af
commit 922ae55a16
Notes: blender-bot 2023-02-13 16:33:18 +01:00
Referenced by issue #95837, Regression: GPU memory accumulation in Cycles render
Referenced by issue #94797, Crash when playing animation in eevee rendered view
2 changed files with 63 additions and 0 deletions

View File

@ -104,6 +104,7 @@ typedef struct Global {
* * 1234: Disable new dyntopo code fixing skinny faces generation (04/2015).
* * 3001: Enable additional Fluid modifier (Mantaflow) options (02/2020).
* * 4000: Line Art state output and debugging logs (03/2021).
* * 4001: Mesh topology information in the spreadsheet (01/2022).
* * 16384 and above: Reserved for python (add-ons) usage.
*/
short debug_value;

View File

@ -18,6 +18,7 @@
#include "BKE_context.h"
#include "BKE_editmesh.h"
#include "BKE_global.h"
#include "BKE_lib_id.h"
#include "BKE_mesh.h"
#include "BKE_mesh_wrapper.h"
@ -103,6 +104,20 @@ void GeometryDataSource::foreach_default_column_ids(
fn({(char *)"Rotation"}, false);
fn({(char *)"Scale"}, false);
}
else if (G.debug_value == 4001 && component_->type() == GEO_COMPONENT_TYPE_MESH) {
if (domain_ == ATTR_DOMAIN_EDGE) {
fn({(char *)"Vertex 1"}, false);
fn({(char *)"Vertex 2"}, false);
}
else if (domain_ == ATTR_DOMAIN_FACE) {
fn({(char *)"Corner Start"}, false);
fn({(char *)"Corner Size"}, false);
}
else if (domain_ == ATTR_DOMAIN_CORNER) {
fn({(char *)"Vertex"}, false);
fn({(char *)"Edge"}, false);
}
}
}
std::unique_ptr<ColumnValues> GeometryDataSource::get_column_values(
@ -146,6 +161,53 @@ std::unique_ptr<ColumnValues> GeometryDataSource::get_column_values(
}));
}
}
else if (G.debug_value == 4001 && component_->type() == GEO_COMPONENT_TYPE_MESH) {
const MeshComponent &component = static_cast<const MeshComponent &>(*component_);
if (const Mesh *mesh = component.get_for_read()) {
if (domain_ == ATTR_DOMAIN_EDGE) {
if (STREQ(column_id.name, "Vertex 1")) {
return std::make_unique<ColumnValues>(
column_id.name, VArray<int>::ForFunc(mesh->totedge, [mesh](int64_t index) {
return mesh->medge[index].v1;
}));
}
if (STREQ(column_id.name, "Vertex 2")) {
return std::make_unique<ColumnValues>(
column_id.name, VArray<int>::ForFunc(mesh->totedge, [mesh](int64_t index) {
return mesh->medge[index].v2;
}));
}
}
else if (domain_ == ATTR_DOMAIN_FACE) {
if (STREQ(column_id.name, "Corner Start")) {
return std::make_unique<ColumnValues>(
column_id.name, VArray<int>::ForFunc(mesh->totpoly, [mesh](int64_t index) {
return mesh->mpoly[index].loopstart;
}));
}
if (STREQ(column_id.name, "Corner Size")) {
return std::make_unique<ColumnValues>(
column_id.name, VArray<int>::ForFunc(mesh->totpoly, [mesh](int64_t index) {
return mesh->mpoly[index].totloop;
}));
}
}
else if (domain_ == ATTR_DOMAIN_CORNER) {
if (STREQ(column_id.name, "Vertex")) {
return std::make_unique<ColumnValues>(
column_id.name, VArray<int>::ForFunc(mesh->totloop, [mesh](int64_t index) {
return mesh->mloop[index].v;
}));
}
if (STREQ(column_id.name, "Edge")) {
return std::make_unique<ColumnValues>(
column_id.name, VArray<int>::ForFunc(mesh->totloop, [mesh](int64_t index) {
return mesh->mloop[index].e;
}));
}
}
}
}
bke::ReadAttributeLookup attribute = component_->attribute_try_get_for_read(column_id.name);
if (!attribute) {