A Gentle Introduction to DirectX Raytracing 10

引言本节我们将为缺少场景几何图形的光线添加光照探针环境贴图。In Tutorial 9, we added a Lambertian shading model with ray traced shadows. Before moving on to global illumination, we want to load and render with environment map light probes, which easily allow much more complex lighting.在教程 9中，我们添加了带有光线追踪阴影的 Lambertian 模型。在进入全局光照之前，我们想要加载和渲染环境贴图 光照探针，这样可以轻松实现更复杂的光照。For this tutorial, we assume our environment maps are parameterized using a lat-long projection, for instance the free environment maps available here. I encourage y...

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