Qualcomm Incorporated

Venkata Nagarjuna Sravan Kumar Deepala

Jayant Shekhar

Raviteja Tamatam

Sravan Kumar Ambapuram

Kalyan Thota

Rajeshwar Kurapaty

Srinu Gorle

Techniques are provided for optimizing display processing of layers below a dim layer by a display system. Because the dim layer may partially obstruct, conceal, or otherwise impact a user view of layers below the dim layer, resource-saving techniques may be used in the processing the layers below the dim layer. While these techniques may impact visual quality, a user is unlikely to notice visual artifacts or other reductions in quality in the modified layers below the dim layer. For example, when a dim layer is to be displayed, a GPU can render layers below the dim layer at a lower resolution. Furthermore, the GPU can increase a compression ratio for layers below the dim layer. The low-resolution layers can be scaled-up to an original resolution and the compressed layers can be uncompressed in the display pipeline for display underneath the dim layer.

Method and system for dim layer power optimization in display processing

Methods, systems, and devices for refreshing a display of a device are described. A device may identify a type of content to be displayed. For example, the type of content may be associated with a given application. The device may determine, based at least in part on the type of content, a periodicity for a histogram analysis operation for the display. The device may then perform the histogram analysis operation according to the periodicity. For example, the device may compare a histogram for a frame of the content to a scene change threshold according to the periodicity. The device may determine one or more pixel adjustment parameters for the display based at least in part on the histogram analysis operation. The device may display one or more frames on the display based at least in part on the one or more pixel adjustment parameters.

Optimized histogram reads for efficient display post processing and improved power gains

Methods, systems, and devices for image processing are described. Generally, the described techniques provide for capturing, at a sensor of a device, an image frame including frame composition data, generating histogram metadata for the image frame, encoding the histogram metadata as supplemental enhancement information (SEI) for the image frame, receiving, at a display post-processing module of the device, the image frame and the histogram metadata, computing, by the display post-processing module of the device, a target display setting for the image frame based at least in part on the histogram metadata; and outputting the image frame to a display based at least in part on the computed display setting.

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Hyderabad Telangana, India

Venkata Nagarjuna Sravan Kumar Deepala