Vertex Core Reset Scanner for Scalable Primitive Processing
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Solution Overview
Problem
Existing graphics systems process rendering primitives serially, leading to inefficient processing of complex scenes and unsuitable input index streams for scalable primitive generation units, resulting in slow rendering and limited primitive rates.
Innovation Solution
The implementation of a vertex core with a reset scanner that processes incoming indices to remove reset indices and partial primitives, transforming input indices into a format suitable for scalable primitive generators, allowing multiple primitives to be processed simultaneously and increasing system throughput.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If primitives are processed serially in conventional graphics systems, then device complexity is reduced, but productivity decreases significantly
Solution Approach 1:
The input stream is segmented into multiple sub-streams by the reset scanner, with each sub-stream fed to a separate primitive generation unit. This allows parallel processing of multiple primitives simultaneously, increasing throughput from 1 primitive per clock to multiple primitives per clock while maintaining manageable complexity in each individual processing unit.
Solution Approach 2:
The system transitions from single-dimensional serial processing to multi-dimensional parallel processing by introducing multiple primitive generation units operating simultaneously. The reset scanner distributes work across these units in parallel, effectively adding a temporal dimension to the processing architecture.
2Adaptability or versatility
If input index streams are used directly in conventional systems, then device complexity is minimized, but adaptability to scalable primitive generators is poor
Solution Approach 1:
The reset scanner performs preliminary processing on the input index stream before it reaches the primitive generation units. It removes reset indices and partial primitives in advance, transforming the data into a format that is directly compatible with scalable primitive generators, thereby improving adaptability without complicating the downstream units.
Solution Approach 2:
The reset scanner acts as an intermediary component between the input assembler and the primitive generation units. It mediates the data format transformation, converting conventional input index streams into a format suitable for scalable primitive generators, thereby enabling compatibility without requiring changes to the existing primitive generation architecture.
3Productivity
If multiple primitive generation units are deployed to increase throughput, then productivity increases, but device complexity and processing difficulty increase
Solution Approach 1:
The reset scanner extracts and removes problematic elements (reset indices and partial primitives) from the input stream before distribution to multiple primitive generation units. This purification of the input data simplifies the processing logic in each unit, making it easier to detect and measure processing states while maintaining high throughput.
Data Source
AI summary
Disclosed herein is a vertex core. The vertex core includes a reset scanner configured to remove reset indices and partial primitives in an input stream and resolve draw calls into sub-draw calls at reset index boundaries; and provide the resolved sub-draw calls to a plurality of downstream vertex grouper tessellators.