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Adding remove mesh to vertexData

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This commit is contained in:
Dynamitos
2025-04-15 13:29:12 +02:00
parent 482eabf651
commit 1efb696d92
2 changed files with 61 additions and 15 deletions
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src/Engine/Graphics/VertexData.cpp
+58 -9
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@@ -141,24 +141,27 @@ void VertexData::createDescriptors() {
void VertexData::loadMesh(MeshId id, Array<uint32> loadedIndices, Array<Meshlet> loadedMeshlets) {
std::unique_lock l(vertexDataLock);
RegisteredMesh& mesh = registeredMeshes[id];
assert(mesh.meshData.empty()); // TODO: update if not empty
uint32 numChunks = (loadedMeshlets.size() + 2047) / 2048;
for (uint32 chunkIdx = 0; chunkIdx < numChunks; ++chunkIdx) {
uint32 meshletOffset = (uint32)meshlets.size();
AABB meshAABB;
uint32 numMeshlets = 0;
uint32 chunkOffset = chunkIdx * 2048;
uint32 numRemaining = loadedMeshlets.size() - chunkOffset;
AABB meshAABB;
uint32 meshletOffset = meshlets.size();
for (uint32 chunk = 0; chunk < std::min(numRemaining, 2048u); chunk++) {
Meshlet& m = loadedMeshlets[chunkOffset + chunk];
numMeshlets++;
//...
meshAABB = meshAABB.combine(m.boundingBox);
uint32 vertexOffset = (uint32)vertexIndices.size();
vertexIndices.resize(vertexOffset + m.numVertices);
std::memcpy(vertexIndices.data() + vertexOffset, m.uniqueVertices, m.numVertices * sizeof(uint32));
uint32 primitiveOffset = (uint32)primitiveIndices.size();
primitiveIndices.resize(primitiveOffset + (m.numPrimitives * 3));
std::memcpy(primitiveIndices.data() + primitiveOffset, m.primitiveLayout, m.numPrimitives * 3 * sizeof(uint8));
meshlets.add(MeshletDescription{
.bounding = m.boundingBox, //.toSphere(),
.vertexIndices =
@@ -172,7 +175,7 @@ void VertexData::loadMesh(MeshId id, Array<uint32> loadedIndices, Array<Meshlet>
.size = m.numPrimitives,
},
.color = Vector((float)rand() / RAND_MAX, (float)rand() / RAND_MAX, (float)rand() / RAND_MAX),
.indicesOffset = (uint32)registeredMeshes[id].indicesRange.offset,
.indicesOffset = (uint32)registeredMeshes[id].vertexOffset,
});
}
registeredMeshes[id].meshData.add(MeshData{
@@ -180,7 +183,7 @@ void VertexData::loadMesh(MeshId id, Array<uint32> loadedIndices, Array<Meshlet>
.meshletRange =
{
.offset = meshletOffset,
.size = numMeshlets,
.size = std::min(numRemaining, 2048u),
},
});
}
@@ -190,11 +193,56 @@ void VertexData::loadMesh(MeshId id, Array<uint32> loadedIndices, Array<Meshlet>
.size = (uint32)loadedIndices.size(),
};
indices.resize(indices.size() + loadedIndices.size());
std::memcpy(indices.data() + registeredMeshes[id].meshData[0].indicesRange.offset, loadedIndices.data(), loadedIndices.size() * sizeof(uint32));
std::memcpy(indices.data() + registeredMeshes[id].meshData[0].indicesRange.offset, loadedIndices.data(),
loadedIndices.size() * sizeof(uint32));
}
void VertexData::updateMesh(MeshId id, Array<uint32> indices, Array<Meshlet> meshlets) {
void VertexData::removeMesh(MeshId id) {
RegisteredMesh& removing = registeredMeshes[id];
uint32 meshletOffset = meshlets.size();
uint32 numMeshlets = 0;
uint32 vertexIndicesOffset = vertexIndices.size();
uint32 numVertexIndices = 0;
uint32 primitiveIndicesOffset = primitiveIndices.size();
uint32 numPrimitiveIndices = 0;
for (const auto& data : removing.meshData) {
meshletOffset = std::min(meshletOffset, data.meshletRange.offset);
numMeshlets += data.meshletRange.size;
for (uint32 m = data.meshletRange.offset; m < data.meshletRange.size; ++m) {
MeshletDescription& meshlet = meshlets[m];
vertexIndicesOffset = std::min(vertexIndicesOffset, meshlet.vertexIndices.offset);
numVertexIndices += meshlet.vertexIndices.size;
primitiveIndicesOffset = std::min(primitiveIndicesOffset, meshlet.primitiveIndices.offset);
numPrimitiveIndices += meshlet.primitiveIndices.size;
}
}
for (auto& mesh : registeredMeshes) {
for (auto& data : mesh.meshData) {
if (data.meshletRange.offset > meshletOffset) {
for (uint32 i = 0; i < data.meshletRange.size; ++i) {
MeshletDescription& m = meshlets[data.meshletRange.offset];
if (m.primitiveIndices.offset > primitiveIndicesOffset) {
m.primitiveIndices.offset -= numPrimitiveIndices;
}
if (m.vertexIndices.offset > vertexIndicesOffset) {
m.vertexIndices.offset -= numVertexIndices;
}
}
data.meshletRange.offset -= numMeshlets;
}
}
}
uint32 numMeshletsToMove = meshlets.size() - (meshletOffset + numMeshlets);
uint32 numVertexIndicesToMove = vertexIndices.size() - (vertexIndicesOffset + numVertexIndices);
uint32 numPrimitiveIndicesToMove = primitiveIndices.size() - (primitiveIndicesOffset + numPrimitiveIndices);
std::move(meshlets.begin() + meshletOffset + numMeshlets, meshlets.begin() + meshletOffset + numMeshlets + numMeshletsToMove,
meshlets.begin() + meshletOffset);
std::move(vertexIndices.begin() + vertexIndicesOffset + numVertexIndices,
vertexIndices.begin() + vertexIndicesOffset + numVertexIndices + numVertexIndicesToMove,
vertexIndices.begin() + vertexIndicesOffset);
std::move(primitiveIndices.begin() + primitiveIndicesOffset + numPrimitiveIndices,
primitiveIndices.begin() + primitiveIndicesOffset + numPrimitiveIndices + numPrimitiveIndices,
primitiveIndices.begin() + primitiveIndicesOffset);
}
void VertexData::commitMeshes() {
@@ -273,7 +321,8 @@ void VertexData::serializeMesh(MeshId id, ArchiveBuffer& buffer) {
}
}
Array<uint32> ind(registeredMeshes[id].meshData[0].indicesRange.size);
std::memcpy(ind.data(), &indices[registeredMeshes[id].meshData[0].indicesRange.offset], registeredMeshes[id].meshData[0].indicesRange.size * sizeof(uint32));
std::memcpy(ind.data(), &indices[registeredMeshes[id].meshData[0].indicesRange.offset],
registeredMeshes[id].meshData[0].indicesRange.size * sizeof(uint32));
Serialization::save(buffer, out);
Serialization::save(buffer, ind);
}