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Skip SDF generation for transparent materials inside models

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This commit is contained in:
Wojciech Figat
2022-07-08 15:28:22 +02:00
parent 5437f7cc1a
commit df48d71045
1 changed files with 22 additions and 9 deletions
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31
Source/Engine/Tools/ModelTool/MeshAccelerationStructure.cpp
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@@ -4,6 +4,7 @@
#include "MeshAccelerationStructure.h"
#include "Engine/Core/Math/Math.h"
#include "Engine/Content/Content.h"
#include "Engine/Content/Assets/Model.h"
#include "Engine/Graphics/Models/ModelData.h"
#include "Engine/Profiler/ProfilerCPU.h"
@@ -292,13 +293,20 @@ void MeshAccelerationStructure::Add(Model* model, int32 lodIndex)
PROFILE_CPU();
lodIndex = Math::Clamp(lodIndex, model->HighestResidentLODIndex(), model->LODs.Count() - 1);
ModelLOD& lod = model->LODs[lodIndex];
const int32 meshesStart = _meshes.Count();
_meshes.AddDefault(lod.Meshes.Count());
_meshes.EnsureCapacity(_meshes.Count() + lod.Meshes.Count());
bool failed = false;
for (int32 i = 0; i < lod.Meshes.Count(); i++)
{
auto& mesh = lod.Meshes[i];
auto& meshData = _meshes[meshesStart + i];
const MaterialSlot& materialSlot = model->MaterialSlots[mesh.GetMaterialSlotIndex()];
if (materialSlot.Material && !materialSlot.Material->WaitForLoaded())
{
// Skip transparent materials
if (materialSlot.Material->GetInfo().BlendMode != MaterialBlendMode::Opaque)
continue;
}
auto& meshData = _meshes.AddOne();
if (model->IsVirtual())
{
meshData.Indices = mesh.GetTriangleCount() * 3;
@@ -312,10 +320,7 @@ void MeshAccelerationStructure::Add(Model* model, int32 lodIndex)
failed |= mesh.DownloadDataCPU(MeshBufferType::Vertex0, meshData.VertexBuffer, meshData.Vertices);
}
if (failed)
{
_meshes.Resize(meshesStart);
return;
}
if (!meshData.IndexBuffer.IsAllocated() && meshData.IndexBuffer.Length() != 0)
{
// BVH nodes modifies index buffer (sorts data in-place) so clone it
@@ -331,12 +336,20 @@ void MeshAccelerationStructure::Add(ModelData* modelData, int32 lodIndex, bool c
PROFILE_CPU();
lodIndex = Math::Clamp(lodIndex, 0, modelData->LODs.Count() - 1);
ModelLodData& lod = modelData->LODs[lodIndex];
const int32 meshesStart = _meshes.Count();
_meshes.AddDefault(lod.Meshes.Count());
_meshes.EnsureCapacity(_meshes.Count() + lod.Meshes.Count());
for (int32 i = 0; i < lod.Meshes.Count(); i++)
{
MeshData* mesh = lod.Meshes[i];
auto& meshData = _meshes[meshesStart + i];
const MaterialSlotEntry& materialSlot = modelData->Materials[mesh->MaterialSlotIndex];
auto material = Content::LoadAsync<MaterialBase>(materialSlot.AssetID);
if (material && !material->WaitForLoaded())
{
// Skip transparent materials
if (material->GetInfo().BlendMode != MaterialBlendMode::Opaque)
continue;
}
auto& meshData = _meshes.AddOne();
meshData.Indices = mesh->Indices.Count();
meshData.Vertices = mesh->Positions.Count();
if (copy)