Add model and GaussianSplat asset pipelines

2026-04-10 20:55:48 +08:00
parent 8f5c342799
commit 503e6408ed
39 changed files with 5900 additions and 141 deletions
--- a/tests/Resources/GaussianSplat/test_gaussian_splat.cpp
+++ b/tests/Resources/GaussianSplat/test_gaussian_splat.cpp
@@ -0,0 +1,73 @@
+#include <gtest/gtest.h>
+
+#include <XCEngine/Core/Math/Bounds.h>
+#include <XCEngine/Resources/GaussianSplat/GaussianSplat.h>
+
+using namespace XCEngine::Resources;
+using namespace XCEngine::Math;
+
+namespace {
+
+TEST(GaussianSplat, CreateOwnedStoresMetadataSectionsAndPayload) {
+    GaussianSplat gaussianSplat;
+
+    GaussianSplatMetadata metadata;
+    metadata.contentVersion = 7u;
+    metadata.splatCount = 2u;
+    metadata.bounds.SetMinMax(Vector3(-1.0f, -2.0f, -3.0f), Vector3(4.0f, 5.0f, 6.0f));
+    metadata.positionFormat = GaussianSplatSectionFormat::VectorFloat32;
+    metadata.otherFormat = GaussianSplatSectionFormat::OtherFloat32;
+    metadata.colorFormat = GaussianSplatSectionFormat::ColorRGBA32F;
+    metadata.shFormat = GaussianSplatSectionFormat::SHFloat32;
+
+    XCEngine::Containers::Array<GaussianSplatSection> sections;
+    sections.PushBack(GaussianSplatSection{
+        GaussianSplatSectionType::Positions,
+        GaussianSplatSectionFormat::VectorFloat32,
+        0u,
+        24u,
+        2u,
+        12u
+    });
+
+    XCEngine::Containers::Array<XCEngine::Core::uint8> payload;
+    payload.Resize(24u);
+    for (size_t index = 0; index < payload.Size(); ++index) {
+        payload[index] = static_cast<XCEngine::Core::uint8>(index);
+    }
+
+    ASSERT_TRUE(gaussianSplat.CreateOwned(metadata, std::move(sections), std::move(payload)));
+    EXPECT_TRUE(gaussianSplat.IsValid());
+    EXPECT_EQ(gaussianSplat.GetType(), ResourceType::GaussianSplat);
+    EXPECT_EQ(gaussianSplat.GetContentVersion(), 7u);
+    EXPECT_EQ(gaussianSplat.GetSplatCount(), 2u);
+    EXPECT_EQ(gaussianSplat.GetBounds().GetMin(), Vector3(-1.0f, -2.0f, -3.0f));
+    EXPECT_EQ(gaussianSplat.GetBounds().GetMax(), Vector3(4.0f, 5.0f, 6.0f));
+    ASSERT_NE(gaussianSplat.FindSection(GaussianSplatSectionType::Positions), nullptr);
+    EXPECT_EQ(gaussianSplat.GetPayloadSize(), 24u);
+    EXPECT_NE(gaussianSplat.GetSectionData(GaussianSplatSectionType::Positions), nullptr);
+}
+
+TEST(GaussianSplat, RejectsInvalidSectionLayout) {
+    GaussianSplat gaussianSplat;
+
+    GaussianSplatMetadata metadata;
+    metadata.splatCount = 1u;
+
+    XCEngine::Containers::Array<GaussianSplatSection> sections;
+    sections.PushBack(GaussianSplatSection{
+        GaussianSplatSectionType::Positions,
+        GaussianSplatSectionFormat::VectorFloat32,
+        16u,
+        16u,
+        1u,
+        12u
+    });
+
+    XCEngine::Containers::Array<XCEngine::Core::uint8> payload;
+    payload.Resize(24u);
+
+    EXPECT_FALSE(gaussianSplat.CreateOwned(metadata, std::move(sections), std::move(payload)));
+}
+
+} // namespace