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Add **Model SDF baking on GPU** via Compute Shader

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This commit is contained in:
Wojtek Figat
2024-05-29 14:53:13 +02:00
parent 5f4c57d3eb
commit 53d77d3421
11 changed files with 793 additions and 92 deletions
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7
Source/Engine/Content/Assets/Model.cpp
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@@ -650,7 +650,7 @@ bool Model::Save(bool withMeshDataFromGpu, const StringView& path)
#endif
bool Model::GenerateSDF(float resolutionScale, int32 lodIndex, bool cacheData, float backfacesThreshold)
bool Model::GenerateSDF(float resolutionScale, int32 lodIndex, bool cacheData, float backfacesThreshold, bool useGPU)
{
if (EnableModelSDF == 2)
return true; // Not supported
@@ -673,7 +673,10 @@ bool Model::GenerateSDF(float resolutionScale, int32 lodIndex, bool cacheData, f
#else
class MemoryWriteStream* outputStream = nullptr;
#endif
if (ModelTool::GenerateModelSDF(this, nullptr, resolutionScale, lodIndex, &SDF, outputStream, GetPath(), backfacesThreshold))
Locker.Unlock();
const bool failed = ModelTool::GenerateModelSDF(this, nullptr, resolutionScale, lodIndex, &SDF, outputStream, GetPath(), backfacesThreshold, useGPU);
Locker.Lock();
if (failed)
return true;
#if USE_EDITOR

3
Source/Engine/Content/Assets/Model.h
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@@ -227,8 +227,9 @@ public:
/// <param name="lodIndex">The index of the LOD to use for the SDF building.</param>
/// <param name="cacheData">If true, the generated SDF texture data will be cached on CPU (in asset chunk storage) to allow saving it later, otherwise it will be runtime for GPU-only. Ignored for virtual assets or in build.</param>
/// <param name="backfacesThreshold">Custom threshold (in range 0-1) for adjusting mesh internals detection based on the percentage of test rays hit triangle backfaces. Use lower value for more dense mesh.</param>
/// <param name="useGPU">Enables using GPU for SDF generation, otherwise CPU will be used (async via Job System).</param>
/// <returns>True if failed, otherwise false.</returns>
API_FUNCTION() bool GenerateSDF(float resolutionScale = 1.0f, int32 lodIndex = 6, bool cacheData = true, float backfacesThreshold = 0.6f);
API_FUNCTION() bool GenerateSDF(float resolutionScale = 1.0f, int32 lodIndex = 6, bool cacheData = true, float backfacesThreshold = 0.6f, bool useGPU = true);
/// <summary>
/// Sets set SDF data (releases the current one).