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Oppo Unveils Its Open Mobile Ray Tracing Solution at Snapdragon Summit 2022

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Its goal is to help developers easily implement ray tracing in mobile games and other experiences.

Samsung introduced its first Exynos SoC with hardware-accelerated ray tracing support earlier this year. The new Exynos 2200 introduced its first AMD RDNA 2-based GPU, the Xclipse 920, which not only enabled ray tracing on mobile devices, but also promised immersive “console-quality” visuals in mobile games. Arm followed it up with the Immortalis-G715 GPU in June, its first GPU to support hardware-accelerated ray tracing. Qualcomm is now doing the same with its latest flagship chipset, the Snapdragon 8 Gen 2. Ahead of its official announcement, Oppo has demoed its open ray tracing solution that will enable developers and creators to deliver new ray tracing experiences. on devices with the latest Qualcomm chipset.

Oppo’s ray tracing solution for mobile devices uses a modified version of Oppo’s proprietary PhysRay SDK that enables ray tracing technology. “to be applied to large-scale complex game scenes on mobile devices.” Oppo demonstrated the prowess of its technology using a first-person shooter called “Camp Guard” featuring more than 2,000 physical models, 800,000 triangles, and nearly 100 textures at Snapdragon Summit 2022. The interactive demo shows shadows, lights, and reflections enhanced that realistically reacts to the movement of the model and the angle of the player’s camera. Oppo claims that its first-person shooter demo can run at 720p resolution at 60 frames per second for half an hour on a device at room temperature with the Snapdragon 8 Gen 2 SoC.

In a press release about its new ray tracing solution, Oppo noted that it worked with Qualcomm on the “driver testing, shader optimization, and build tool development in the game scene.” The companies also optimized the PhysRay Engine 2.0 drivers so that the new Snapdragon 8 Gen 2 can seamlessly render different textures and ray tracing effects. Oppo’s solution also supports Qualcomm’s Variable Rate Shading (VRS) technology, which ensures that PhysRay Engine 2.0 “can run efficiently on Snapdragon 8 Gen 2. Greatly improves graphics while solving power consumption issue.”

Although Oppo’s PhysRay Engine 2.0 uses a proprietary PhysRay SDK, it is a completely open ray tracing solution available to all developers and game creators globally. The company believes that the following three features make it a great choice for game developers looking to implement ray tracing in their titles:

  • Convenient: PhysRay Engine supports hybrid ray tracing and raster rendering. Game developers can add Oppo’s mobile ray tracing pipeline directly without making drastic changes to the traditional rendering pipeline.
  • Adaptive: PhysRay Engine is not only capable of dynamically adjusting the complexity and efficiency of the ray tracing algorithm based on different scenarios, but also adopts a standard port. It is embedded with artificial intelligence and supports physical sensors, to support full path ray tracing and other effects in the future. Developers can fully utilize ray tracing technology on mobile without any restrictions and produce more unique and amazing results.
  • Balance: Opp’s collaboration with Qualcomm Technologies has made the PhysRay Engine more balanced in terms of performance and power consumption. Based on the premium Snapdragon 8 Gen 2, Oppo’s PhysRay Engine has increased its ray tracing efficiency by a factor of 5, reduced CPU workload to one-tenth, and enabled all PBR textures.

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