Many of the VR all-in-one machines we have seen are actually driven by chip factories behind them. Qualcomm has long emphasized the optimization of Snapdragon 820 for VR, and has also launched a special SDK. The chip factory that targets VR is not only a Qualcomm family. According to Lei Feng.com, the large and small chip factories at home and abroad have more or less announced their actions in VR.
Some media have previously said that "virtual / augmented reality is behind the fire, more like a chip manufacturer war", the impact of the chip factory is so great, so that it is about the point of the industry?
Which vendors are using VR optimized chips?
In foreign countries, in addition to Qualcomm, Samsung Exynos drives Gear VR and Big VR all-in-one; HoloLens, Stormwind and 3Glasses Blubur W1 use Intel chips; ARM, which is responsible for designing the chip architecture, is also optimized for VR. Domestic Ruixin Micro has launched the RK3399 chip; Quanzhi will release a set of VR hardware solutions based on its own chip on the 21st.
A Jun, the person in charge of hardware development of a VR machine startup company, told Lei Feng that although there is such a layout, Samsung and Qualcomm are the real players. He said:
At present, the Android platform Qualcomm and Samsung Exynos are the most suitable, Samsung's power control is better, Qualcomm is relatively strong in the GPU. MTK is in a state of being left behind; Intel is in the layout, but it is too far behind in mobile. It is hard to say now; Huawei's GPU is still not very good, far from the level of the "passage line" of 7420 (the Kirin 955 package is T880MP4, The 7420 is MP8). From this aspect, we can understand that Huawei has not begun to pay attention to VR.
What is the so-called "optimization for VR" in the chip factory?
At present, Qualcomm, which has the biggest action, provides an underlying SDK that is convenient for developers to call sensor data, and also optimizes GPU rendering and power consumption.
As for the effect of Qualcomm optimization, VR live service provider NextVR has developed a live app using Qualcomm-optimized 820. Founder Dave Cole said in an interview with RoadtoVR, "This new technology raises the threshold of mobile VR, and Let the 820-equipped mobile phone lead the best mobile VR on the market."
"...820 has many advantages for external IMU (Inertial Measurement Unit) introduced by the old SoC, Qualcomm's Compute DSP (digital signal processing) and more targeted HVX acceleration for high-speed IMU sampling, low latency and display driver optimization Cole continued.
However, in the view of A Jun, Qualcomm's optimization effect remains to be seen. After all, the VR integrated machine equipped with 820 is just listed.
In addition to Qualcomm, chip architecture design company ARM also has its own actions in VR, ARM launched the Mali VR SDK for Android platform. ARM CEO Simon Segars said in an interview with foreign media, "The VR for high-end experience requires a lot of computing power and graphics performance. Now these things are very expensive. But we also saw what happened on smartphones, digital cameras and TVs. Everything, such products are cutting prices very quickly, and high-end technology is quickly becoming civilian."
A Jun who studied the ARM SDK said that the SDK is still relatively basic, basically the CardBoard. "(ARM) is mainly doing its own thing, improving performance and reducing power consumption. Optimization is mainly the work of Google and the public. What the ARM SDK does, Google will definitely do it," he said.
At present, most of the manufacturers are only optimizing the VR based on the SoC of smart phones and tablets. In the future, the VR market will grow, it is not impossible to launch a special chip, and even a stand-alone GPU will appear. Google's Project Tango has a design responsible for 3D. Processing chip.
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