Command Stream Thread for Graphics Rendering Optimization
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Solution Overview
Problem
Current graphics processing in computing devices faces challenges in achieving high frame rates for video games without increasing power consumption and heat generation, as higher frame rates and resolutions lead to increased computation costs and battery drain.
Innovation Solution
Implementing a method where a command stream is executed by a separate thread on a computing device, allowing for parallel execution of game logic updates and rendering logic, while optimizing the command stream by extracting and modifying commands to reduce redundant operations and enhance visual effects, thereby improving frame rate without increasing power consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If higher frame rates and resolutions are used for video game rendering, then performance and visual quality are improved, but power consumption and heat generation increase
Solution Approach 1:
The patent divides the rendering process into separate command streams that can be executed independently and in parallel. By segmenting the rendering commands into multiple executable streams, the system can distribute the computational workload across different processing units or time slots, improving frame rate while managing power consumption through controlled parallel execution
Solution Approach 2:
The patent implements dynamic command stream reconstruction that adapts to runtime conditions. The system dynamically adjusts the rendering pipeline based on power availability, thermal conditions, and performance requirements, allowing flexible optimization of frame rate versus power consumption trade-offs during gameplay
2Productivity
If more computation is performed to achieve higher frame rates, then rendering performance is improved, but heat generation increases
Solution Approach 1:
By segmenting rendering computations into discrete command streams, the system can execute computations in manageable batches with intermediate cooling periods or power state adjustments, reducing peak thermal loads while maintaining sustained frame rates
Solution Approach 2:
The patent employs periodic command stream execution patterns that can be interrupted or throttled based on thermal conditions. The rendering pipeline operates in periodic cycles that allow for thermal management interventions between frames or command batches, preventing excessive heat accumulation
3Productivity
If command stream execution is separated from original thread, then parallel execution and frame rate are improved, but system complexity increases
Solution Approach 1:
The patent introduces command stream threads as intermediary entities that bridge the original rendering thread and the actual execution pipeline. These intermediary threads handle command reconstruction, validation, and scheduling, simplifying the overall system architecture by creating a clear separation of concerns while enabling parallel execution
Solution Approach 2:
The system creates copies of rendering commands in the form of command streams that can be executed independently. By copying and transforming the original rendering logic into executable command sequences, the system achieves parallelism without requiring complete rewriting of the rendering pipeline, thus limiting the increase in system complexity
Data Source
AI summary
A method implemented by a computing device comprises determining, by an original thread executing at a computing device, a command used to render a frame of a graphics application, the command being a call to a graphics interface, constructing, by the original thread executing at the computing device, a command stream based on the command, the command stream comprising a plurality of commands used to render the frame, and executing, by a command stream thread executing at the computing device, the command stream to render the frame of the graphics application.