Add NanoVDBLoader with test support

main.cpp

@@ -1,8 +1,11 @@
 #include <windows.h>
+#include <stdio.h>
+#include <stdlib.h>
 #include "BattleFireDirect.h"
 #include "StaticMeshComponent.h"
 #include "stbi/stb_image.h"
 #include "Utils.h"
+#include "NanoVDBLoader.h"
 
 #pragma comment(lib,"d3d12.lib")
 #pragma comment(lib,"dxgi.lib")
@@ -11,6 +14,35 @@
 
 LPCWSTR gWindowClassName = L"BattleFire";
 
+void RunNanoVDBTest() {
+	ID3D12GraphicsCommandList* commandList = GetCommandList();
+	const char* vdbFiles[] = {
+		"Res/NanoVDB/sphere2.nvdb",
+		"Res/NanoVDB/bunny.nvdb",
+		"Res/NanoVDB/torus_knot_helix.nvdb",
+		"Res/NanoVDB/boat_points.nvdb",
+		"Res/NanoVDB/explosion.nvdb",
+		"Res/NanoVDB/nano_wdas_cloud_half.nvdb"
+	};
+
+	for (int i = 0; i < sizeof(vdbFiles) / sizeof(vdbFiles[0]); i++) {
+		const char* currentVdbFile = vdbFiles[i];
+		printf("[NanoVDB Test] Loading: %s\n", currentVdbFile);
+
+		NanoVDBData vdbData;
+		bool loadSuccess = LoadNanoVDB(currentVdbFile, vdbData, commandList);
+		if (loadSuccess) {
+			printf("  SUCCESS - %llu bytes, %llu elements\n",
+				(unsigned long long)vdbData.byteSize,
+				(unsigned long long)vdbData.elementCount);
+			FreeNanoVDB(vdbData);
+		} else {
+			printf("  FAILED\n");
+		}
+	}
+	printf("[NanoVDB Test] Done.\n");
+}
+
 LRESULT CALLBACK WindowProc(HWND inHWND, UINT inMSG, WPARAM inWParam, LPARAM inLParam) {
 	switch (inMSG) {
 	case WM_CLOSE:
@@ -70,6 +102,17 @@ int WINAPI wWinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPWSTR lpCmdLi
 	StaticMeshComponent staticMeshComponent;
 	staticMeshComponent.InitFromFile(commandList, "Res/Model/Sphere.lhsm");
 
+	bool runTest = false;
+	for (int i = 0; i < __argc; i++) {
+		if (strcmp(__argv[i], "-test") == 0) {
+			runTest = true;
+			break;
+		}
+	}
+	if (runTest) {
+		RunNanoVDBTest();
+	}
+
 	ID3D12RootSignature* rootSignature = InitRootSignature();
 	D3D12_SHADER_BYTECODE vs,gs,ps;
 	CreateShaderFromFile(L"Res/Shader/gs.hlsl", "MainVS", "vs_5_1", &vs);