| #ifndef ANDROID_DVR_SENSOR_CONSTANTS_H_ |
| #define ANDROID_DVR_SENSOR_CONSTANTS_H_ |
| |
| namespace android { |
| namespace dvr { |
| |
| // Number of elements in the async pose buffer. |
| // Must be power of two. |
| // Macro so that shader code can easily include this value. |
| #define kPoseAsyncBufferTotalCount 8 |
| |
| // Mask for accessing the current ring buffer array element: |
| // index = vsync_count & kPoseAsyncBufferIndexMask |
| constexpr uint32_t kPoseAsyncBufferIndexMask = kPoseAsyncBufferTotalCount - 1; |
| |
| // Number of pose frames including the current frame that are kept updated with |
| // pose forecast data. The other poses are left their last known estimates. |
| constexpr uint32_t kPoseAsyncBufferMinFutureCount = 4; |
| |
| } // namespace dvr |
| } // namespace android |
| |
| #endif // ANDROID_DVR_SENSOR_CONSTANTS_H_ |