Parallel pipeline compliation #8224
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A-Rendering
Drawing game state to the screen
C-Feature
A new feature, making something new possible
S-Blocked
This cannot move forward until something else changes
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JMS55
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C-Feature
james7132
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the
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We'll also want to use gfx-rs/wgpu#3794 when it lands |
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# Objective - Pipeline compilation is slow and blocks the frame - Closes #8224 ## Solution - Compile pipelines in a Task on the AsyncComputeTaskPool --- ## Changelog - Render/compute pipeline compilation is now done asynchronously over multiple frames when the multi-threaded feature is enabled and on non-wasm and non-macOS platforms - Added `CachedPipelineState::Creating` - Added `PipelineCache::block_on_render_pipeline()` - Added `bevy_utils::futures::check_ready` - Added `bevy_render/multi-threaded` cargo feature ## Migration Guide - Match on the new `Creating` variant for exhaustive matches of `CachedPipelineState`
lynn-lumen
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Feb 5, 2024
# Objective - Pipeline compilation is slow and blocks the frame - Closes bevyengine#8224 ## Solution - Compile pipelines in a Task on the AsyncComputeTaskPool --- ## Changelog - Render/compute pipeline compilation is now done asynchronously over multiple frames when the multi-threaded feature is enabled and on non-wasm and non-macOS platforms - Added `CachedPipelineState::Creating` - Added `PipelineCache::block_on_render_pipeline()` - Added `bevy_utils::futures::check_ready` - Added `bevy_render/multi-threaded` cargo feature ## Migration Guide - Match on the new `Creating` variant for exhaustive matches of `CachedPipelineState`
tjamaan
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Feb 6, 2024
# Objective - Pipeline compilation is slow and blocks the frame - Closes bevyengine#8224 ## Solution - Compile pipelines in a Task on the AsyncComputeTaskPool --- ## Changelog - Render/compute pipeline compilation is now done asynchronously over multiple frames when the multi-threaded feature is enabled and on non-wasm and non-macOS platforms - Added `CachedPipelineState::Creating` - Added `PipelineCache::block_on_render_pipeline()` - Added `bevy_utils::futures::check_ready` - Added `bevy_render/multi-threaded` cargo feature ## Migration Guide - Match on the new `Creating` variant for exhaustive matches of `CachedPipelineState`
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What problem does this solve or what need does it fill?
Compiling pipelines is expensive. Currently, we compile waiting pipelines in serial each frame.
I'm also not sure if the pipeline processing system can run in parallel with other systems.
What solution would you like?
Parallelize the inner loop over processing pipelines, and also the system if needed.
Other Context
I believe we're blocked on wpgu for this at the moment. Wgpu currently locks each object, so we can't really do things in parallel gfx-rs/wgpu#2710.
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