Buffer Identification via Draw Call Statistics for GPU Post-Processing
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Solution Overview
Problem
Existing technologies face challenges in accurately identifying specific buffers among multiple bound buffers for post-processing operations in graphics processing units (GPUs), leading to incorrect data usage and flickering issues in video or game outputs.
Innovation Solution
A data structure is initialized for each buffer bound to the main application to collect statistics from draw calls, allowing for the determination of a score indicating the likelihood of a buffer being associated with a specific type, thereby accurately identifying the correct buffer for post-processing operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple buffers are bound to the application for graphics processing, then the processing capability and versatility are improved, but the difficulty of identifying the correct buffer for post-processing increases
Solution Approach 1:
The system implements feedback by monitoring draw call statistics and using them to dynamically determine buffer scores. The statistics collection mechanism continuously gathers information about which buffers receive draw calls, and this feedback is used to update buffer scores and identify the correct buffer for post-processing operations, resolving the identification difficulty in multi-buffer scenarios
Solution Approach 2:
The patent replaces manual or heuristic buffer identification methods with an automated statistical analysis system. Instead of relying on conventional buffer binding tracking or developer specification, the system uses draw call statistics to automatically determine buffer usage patterns and identify the correct buffer, substituting mechanical tracking with statistical inference
2Measurement precision
If buffer identification is performed without statistical analysis, then the processing speed is maintained, but the accuracy of buffer selection deteriorates leading to flickering
Solution Approach 1:
The system performs preliminary action by collecting draw call statistics in advance during the rendering process. Before post-processing operations are executed, the buffer scores are already determined based on accumulated statistics, allowing accurate buffer identification without adding significant time to the critical post-processing path
Solution Approach 2:
The patent changes the parameter of buffer identification from static buffer binding information to dynamic statistical scores. By using draw call frequency and pattern statistics as the identification parameter instead of traditional buffer binding states, the system achieves both accuracy and efficiency in buffer selection
3Productivity
If incorrect buffers are selected for post-processing, then processing operations can still be performed, but the quality and reliability of the output deteriorates due to flickering and incorrect data
Solution Approach 1:
The feedback mechanism ensures reliability by continuously monitoring draw call patterns and adjusting buffer score calculations accordingly. This feedback loop prevents incorrect buffer selection by validating buffer identification against actual draw call behavior, thereby maintaining output consistency and eliminating flickering while preserving post-processing throughput
Data Source
AI summary
Apparatuses, systems, and techniques for buffer identification of an application for post-processing. The apparatuses, systems, and techniques includes generating a buffer statistic data structure for a buffer of a plurality of buffers associated with a frame of an application; updating the buffer statistic data structure with metadata of the draw call responsive to detecting a draw call to the buffer, and determining, based on the buffer statistic data structure, a score reflecting a likelihood of the buffer being associated with a specified buffer type.