Enables emissive textures and IES profiles where applicable.Provides lighting from various types of primitives, including mesh lights made of triangles, point lights, rectangles, spheres, cylinders, and environment maps.Moves all lights dynamically and interacts with dynamic geometry.The key features of RTXDI include the following: Performance is largely decoupled from lighting complexity, so RTXDI seamlessly scales from one light to millions. To enable a light, add emissivity to a surface’s material properties. All lights in a scene can dynamically move, turn on and off, change color, and cast correct shadows and lighting. With RTXDI, the artist’s imagination need not be gated on light complexity or shadow map costs. RTXDI uses the power of ray tracing to remove artistic constraints common in traditional rasterization pipelines. ![]() ![]() An early RTXDI prototype renders San Miguel, a 10 million triangle scene with 11,000 emissive triangles and environment mapped sun and sky lighting in under 8 ms.
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