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demo: Update basic demo flow with pruning

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This allows us to test on a wider mesh set with and without pruning.
This commit is contained in:
Arseny Kapoulkine
2024-09-24 15:02:27 -07:00
parent 954e88ca00
commit 11e6fa3cbc
1 changed files with 6 additions and 5 deletions
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demo/main.cpp
+6 -5
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@@ -451,7 +451,7 @@ void packMesh(std::vector<PackedVertexOct>& pv, const std::vector<Vertex>& verti
}
}
void simplify(const Mesh& mesh, float threshold = 0.2f)
void simplify(const Mesh& mesh, float threshold = 0.2f, unsigned int options = 0)
{
Mesh lod;
@@ -462,7 +462,7 @@ void simplify(const Mesh& mesh, float threshold = 0.2f)
float result_error = 0;
lod.indices.resize(mesh.indices.size()); // note: simplify needs space for index_count elements in the destination array, not target_index_count
lod.indices.resize(meshopt_simplify(&lod.indices[0], &mesh.indices[0], mesh.indices.size(), &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex), target_index_count, target_error, 0, &result_error));
lod.indices.resize(meshopt_simplify(&lod.indices[0], &mesh.indices[0], mesh.indices.size(), &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex), target_index_count, target_error, options, &result_error));
lod.vertices.resize(lod.indices.size() < mesh.vertices.size() ? lod.indices.size() : mesh.vertices.size()); // note: this is just to reduce the cost of resize()
lod.vertices.resize(meshopt_optimizeVertexFetch(&lod.vertices[0], &lod.indices[0], lod.indices.size(), &mesh.vertices[0], mesh.vertices.size(), sizeof(Vertex)));
@@ -476,7 +476,7 @@ void simplify(const Mesh& mesh, float threshold = 0.2f)
(end - start) * 1000);
}
void simplifyAttr(const Mesh& mesh, float threshold = 0.2f)
void simplifyAttr(const Mesh& mesh, float threshold = 0.2f, unsigned int options = 0)
{
Mesh lod;
@@ -490,7 +490,7 @@ void simplifyAttr(const Mesh& mesh, float threshold = 0.2f)
const float attr_weights[3] = {nrm_weight, nrm_weight, nrm_weight};
lod.indices.resize(mesh.indices.size()); // note: simplify needs space for index_count elements in the destination array, not target_index_count
lod.indices.resize(meshopt_simplifyWithAttributes(&lod.indices[0], &mesh.indices[0], mesh.indices.size(), &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex), &mesh.vertices[0].nx, sizeof(Vertex), attr_weights, 3, NULL, target_index_count, target_error, 0, &result_error));
lod.indices.resize(meshopt_simplifyWithAttributes(&lod.indices[0], &mesh.indices[0], mesh.indices.size(), &mesh.vertices[0].px, mesh.vertices.size(), sizeof(Vertex), &mesh.vertices[0].nx, sizeof(Vertex), attr_weights, 3, NULL, target_index_count, target_error, options, &result_error));
lod.vertices.resize(lod.indices.size() < mesh.vertices.size() ? lod.indices.size() : mesh.vertices.size()); // note: this is just to reduce the cost of resize()
lod.vertices.resize(meshopt_optimizeVertexFetch(&lod.vertices[0], &lod.indices[0], lod.indices.size(), &mesh.vertices[0], mesh.vertices.size(), sizeof(Vertex)));
@@ -1372,6 +1372,7 @@ void process(const char* path)
encodeVertex<PackedVertexOct>(copy, "O");
simplify(mesh);
simplify(mesh, 0.1f, meshopt_SimplifyPrune);
simplifyAttr(mesh);
simplifySloppy(mesh);
simplifyComplete(mesh);
@@ -1391,7 +1392,7 @@ void processDev(const char* path)
if (!loadMesh(mesh, path))
return;
simplifyAttr(mesh);
simplifyAttr(mesh, 0.1f, meshopt_SimplifyPrune);
}
void processNanite(const char* path)