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Intro
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Why did we want to do this
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How do we get there
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How the current pipeline works
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Mesh Batch
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Drawing Policy
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Traversal and Policy
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Changes
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Warning
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What is a Draw Command
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Stateless Draw Commands
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Generating Draw Commands
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Batch Draw Commands
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Code Snippets
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Adding the Mesh Batch
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Comparing Old vs New
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Draw Commands
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Old System
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Sorting
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New Submission Code
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Automatic State Filtering
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Cache Coherence Traversal
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Why to Cache
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Uniform Buffer Update
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Primitive Uniform Buffer
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Invalidation
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Validation Mode
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Vertex Factories
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Dynamic Relevance
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Static Relevance
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Rendering
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Merging
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Dynamic Instance
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Buckets
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Shader Parameters
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Bindings
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Unified Buffer
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Dynamic Resizing
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Get Primitive Data
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Instance ID
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SetStreamStore
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Vertex Stream
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Results
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Programmer Art Solution
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Performance
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Cost of Drawing
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Best Case Results
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Issues
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Mobile Rendering
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Testimonials
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Shores Unknown
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Outro
Description:
Explore the refactoring of the mesh drawing pipeline in Unreal Engine 4.22 through this GDC 2019 talk. Gain insights into the renderer's restructuring to enhance ray tracing efficiency and GPU-driven rendering. Discover the impact on project-specific engine modifications, new auto-instancing functionality, and future development implications. Delve into topics such as draw commands, state filtering, cache coherence, uniform buffer updates, vertex factories, dynamic relevance, and performance optimization. Learn about mobile rendering considerations and real-world testimonials from game developers implementing these changes.

Refactoring the Mesh Drawing Pipeline for Unreal Engine 4.22 - GDC 2019 - Unreal Engine

Unreal Engine
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#Programming #Game Development #Unreal Engine #Computer Science #Computer Graphics #Ray Tracing
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Intro