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Fix NanoVDB volume loading and rendering

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This commit is contained in:
ssdfasd
2026-04-09 01:11:59 +08:00
parent b839fd98af
commit fde99a4d34
13 changed files with 628024 additions and 55 deletions
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10
engine/include/XCEngine/Core/Asset/ArtifactFormats.h
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@@ -15,7 +15,7 @@ constexpr Core::uint32 kMaterialArtifactSchemaVersion = 6;
constexpr Core::uint32 kMeshArtifactSchemaVersion = 2;
constexpr Core::uint32 kShaderArtifactSchemaVersion = 5;
constexpr Core::uint32 kUIDocumentArtifactSchemaVersion = 2;
constexpr Core::uint32 kVolumeFieldArtifactSchemaVersion = 1;
constexpr Core::uint32 kVolumeFieldArtifactSchemaVersion = 2;
struct TextureArtifactHeader {
char magic[8] = { 'X', 'C', 'T', 'E', 'X', '0', '1', '\0' };
@@ -131,15 +131,17 @@ struct UIDocumentArtifactDiagnosticHeader {
};
struct VolumeFieldArtifactHeader {
char magic[8] = { 'X', 'C', 'V', 'O', 'L', '0', '1', '\0' };
char magic[8] = { 'X', 'C', 'V', 'O', 'L', '0', '2', '\0' };
Core::uint32 schemaVersion = kVolumeFieldArtifactSchemaVersion;
Core::uint32 storageKind = 0;
Math::Vector3 boundsMin = Math::Vector3::Zero();
Math::Vector3 boundsMax = Math::Vector3::Zero();
Math::Vector3 voxelSize = Math::Vector3::Zero();
Core::int32 indexBoundsMin[3] = { 0, 0, 0 };
Core::int32 indexBoundsMax[3] = { 0, 0, 0 };
Core::uint32 gridType = 0;
Core::uint32 gridClass = 0;
Core::uint64 payloadSize = 0;
Core::uint32 reserved0 = 0;
Core::uint32 reserved1 = 0;
};
} // namespace Resources

34
engine/include/XCEngine/Resources/Volume/VolumeField.h
View File

@@ -14,6 +14,28 @@ enum class VolumeStorageKind : Core::uint32 {
NanoVDB = 1
};
struct VolumeIndexBounds {
Core::int32 minX = 0;
Core::int32 minY = 0;
Core::int32 minZ = 0;
Core::int32 maxX = 0;
Core::int32 maxY = 0;
Core::int32 maxZ = 0;
bool operator==(const VolumeIndexBounds& other) const {
return minX == other.minX &&
minY == other.minY &&
minZ == other.minZ &&
maxX == other.maxX &&
maxY == other.maxY &&
maxZ == other.maxZ;
}
bool operator!=(const VolumeIndexBounds& other) const {
return !(*this == other);
}
};
class VolumeField : public IResource {
public:
VolumeField();
@@ -31,11 +53,18 @@ public:
const void* payload,
size_t payloadSize,
const Math::Bounds& bounds = Math::Bounds(),
const Math::Vector3& voxelSize = Math::Vector3::Zero());
const Math::Vector3& voxelSize = Math::Vector3::Zero(),
const VolumeIndexBounds& indexBounds = VolumeIndexBounds(),
Core::uint32 gridType = 0u,
Core::uint32 gridClass = 0u);
VolumeStorageKind GetStorageKind() const { return m_storageKind; }
const Math::Bounds& GetBounds() const { return m_bounds; }
const Math::Bounds& GetWorldBounds() const { return m_bounds; }
const Math::Vector3& GetVoxelSize() const { return m_voxelSize; }
const VolumeIndexBounds& GetIndexBounds() const { return m_indexBounds; }
Core::uint32 GetGridType() const { return m_gridType; }
Core::uint32 GetGridClass() const { return m_gridClass; }
const void* GetPayloadData() const { return m_payload.Data(); }
size_t GetPayloadSize() const { return m_payload.Size(); }
@@ -45,6 +74,9 @@ private:
VolumeStorageKind m_storageKind = VolumeStorageKind::Unknown;
Math::Bounds m_bounds;
Math::Vector3 m_voxelSize = Math::Vector3::Zero();
VolumeIndexBounds m_indexBounds = {};
Core::uint32 m_gridType = 0u;
Core::uint32 m_gridClass = 0u;
Containers::Array<Core::uint8> m_payload;
};