实现 NanoVDB 边界框可视化
修改内容: 1. NanoVDBLoader 添加边界框信息读取 (worldBBox[6]) 2. BattleFireDirect 添加 Volume 渲染相关函数: - InitVolumeRootSignature(): 体积渲染的 root signature - CreateVolumePSO(): 线框模式 PSO 3. main.cpp: - 打印 NanoVDB 边界框信息 - 创建立方体网格表示边界框 - 渲染绿色线框立方体 4. 修复 CreateShaderFromFile 支持 #include 5. 修复 volume.hlsl 使用 32 位地址模式 验证结果: - 成功显示 NanoVDB 边界框线框 - 着色器能正确读取 NanoVDB 数据
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@@ -28,6 +28,11 @@ bool LoadNanoVDB(const char* filePath, NanoVDBData& outData, ID3D12GraphicsComma
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memcpy(bufferData, gridHandle.buffer().data(), byteSize);
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double* bboxData = (double*)((char*)bufferData + 560);
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for (int i = 0; i < 6; i++) {
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outData.worldBBox[i] = bboxData[i];
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}
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outData.cpuData = bufferData;
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outData.byteSize = byteSize;
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outData.elementCount = elementCount;
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