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[Merged by Bors] - bevy_pbr: Avoid copying structs and using registers in shaders #7069

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[Merged by Bors] - bevy_pbr: Avoid copying structs and using registers in shaders #7069

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superdump
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Objective

  • The [Merged by Bors] - Cascaded shadow maps. #7064 PR had poor performance on an M1 Max in MacOS due to significant overuse of registers resulting in 'register spilling' where data that would normally be stored in registers on the GPU is instead stored in VRAM. The latency to read from/write to VRAM instead of registers incurs a significant performance penalty.
  • Use of registers is a limiting factor in shader performance. Assignment of a struct from memory to a local variable can incur copies. Passing a variable that has struct type as an argument to a function can also incur copies. As such, these two cases can incur increased register usage and decreased performance.

Solution

  • Remove/avoid a number of assignments of light struct type data to local variables.
  • Remove/avoid a number of passing light struct type variables/data as value arguments to shader functions.

@superdump
bevy_pbr: Avoid copying structs
cd895b5 
Use of registers is a limiting factor in shader performance. Assignment of a
struct from memory to a local variable can incur copies. Passing a variable
that has struct type as an argument to a function can also incur copies. As
such, these two cases can incur increased register usage and decreased
performance. This commit removes a number of such uses in the PBR main pass
shader.
@superdump superdump changed the title bevy_pbr: Avoid copying structs bevy_pbr: Avoid copying structs and using registers in shaders Jan 1, 2023
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superdump commented Jan 1, 2023 •
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On the #7064 PR on an M1 Max on MacOS I observed very poor performance of around 20-30fps with a release build of the load_gltf example where I normally get 120fps (with vsync) without problems. As I dug into the problem, I found in an Xcode frame capture that draws using the main pass PBR pipeline were taking much longer than usual, and the fragment shader statistics showed use of 128 temporary registers, and over 2400 bytes of register spill into VRAM. This is the source of the performance problems.

On main, and when observing the problem on #7064 , the DirectionalLight struct was being copied in various ways into local variables. On the PR, all the cascade information had been added into DirectionalLight struct including a mat4x4<f32> per cascade for its view projection matrix. It seems the Metal shader compiler decided to actually copy all of this into registers, there weren't enough available, so it spilled over into VRAM. Just noting here that main already spills 96 bytes of registers into VRAM.

Using techniques like the ones in this PR on top of the cascaded shadow maps, I was able to keep it down to only spilling 112 bytes of registers into VRAM and performance is still good. Oddly it makes no difference on main, but I don't know why. I think doing things like this is unfortunately necessary for a shader as complicated as a clustered-forward cascaded-shadow-map PBR main lighting pass. I'm also looking into how we can reduce register usage further.

@superdump superdump requested a review from cart January 1, 2023 17:29
@superdump superdump added A-Rendering Drawing game state to the screen C-Performance A change motivated by improving speed, memory usage or compile times labels Jan 1, 2023
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Just noting a realisation - the changes may be beneficial for reducing register usage on main too, just that what we see is the maximum required simultaneous registers so some other part(s) of the shader are requiring lots of registers.

IceSentry
IceSentry reviewed Jan 2, 2023
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crates/bevy_pbr/src/render/pbr_functions.wgsl
var shadow: f32 = 1.0;
if ((mesh.flags & MESH_FLAGS_SHADOW_RECEIVER_BIT) != 0u
&& (light.flags & POINT_LIGHT_FLAGS_SHADOWS_ENABLED_BIT) != 0u) {
&& (point_lights.data[light_id].flags & POINT_LIGHT_FLAGS_SHADOWS_ENABLED_BIT) != 0u) {
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@IceSentry IceSentry Jan 2, 2023 •
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could you use a *light from a &point_lights.data[light_id] here like you did in other functions?

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Yes, but it was only one access so I instead just refer to it directly.

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Ah, right, I saw another one below, but I didn't realize it was a different loop, makes sense then

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Small question, but otherwise code makes sense to me. Now that I'm aware of this I'll probably be more careful in my own shaders too.

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cart commented Jan 2, 2023

bors r+

bors bot pushed a commit that referenced this pull request Jan 2, 2023
@superdump
bevy_pbr: Avoid copying structs and using registers in shaders (#7069)
b44b606 
# Objective

- The #7064 PR had poor performance on an M1 Max in MacOS due to significant overuse of registers resulting in 'register spilling' where data that would normally be stored in registers on the GPU is instead stored in VRAM. The latency to read from/write to VRAM instead of registers incurs a significant performance penalty.
- Use of registers is a limiting factor in shader performance. Assignment of a struct from memory to a local variable can incur copies. Passing a variable that has struct type as an argument to a function can also incur copies. As such, these two cases can incur increased register usage and decreased performance.

## Solution

- Remove/avoid a number of assignments of light struct type data to local variables.
- Remove/avoid a number of passing light struct type variables/data as value arguments to shader functions.
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bors bot commented Jan 2, 2023

Pull request successfully merged into main.

Build succeeded!

And happy new year! 🎉

@bors bors bot changed the title bevy_pbr: Avoid copying structs and using registers in shaders [Merged by Bors] - bevy_pbr: Avoid copying structs and using registers in shaders Jan 2, 2023
@bors bors bot closed this Jan 2, 2023
alradish pushed a commit to alradish/bevy that referenced this pull request Jan 22, 2023
@superdump @alradish
bevy_pbr: Avoid copying structs and using registers in shaders (bevye…
d098b16 
…ngine#7069)

# Objective

- The bevyengine#7064 PR had poor performance on an M1 Max in MacOS due to significant overuse of registers resulting in 'register spilling' where data that would normally be stored in registers on the GPU is instead stored in VRAM. The latency to read from/write to VRAM instead of registers incurs a significant performance penalty.
- Use of registers is a limiting factor in shader performance. Assignment of a struct from memory to a local variable can incur copies. Passing a variable that has struct type as an argument to a function can also incur copies. As such, these two cases can incur increased register usage and decreased performance.

## Solution

- Remove/avoid a number of assignments of light struct type data to local variables.
- Remove/avoid a number of passing light struct type variables/data as value arguments to shader functions.
ItsDoot pushed a commit to ItsDoot/bevy that referenced this pull request Feb 1, 2023
@superdump @ItsDoot
bevy_pbr: Avoid copying structs and using registers in shaders (bevye…
e2ed3b0 
…ngine#7069)

# Objective

- The bevyengine#7064 PR had poor performance on an M1 Max in MacOS due to significant overuse of registers resulting in 'register spilling' where data that would normally be stored in registers on the GPU is instead stored in VRAM. The latency to read from/write to VRAM instead of registers incurs a significant performance penalty.
- Use of registers is a limiting factor in shader performance. Assignment of a struct from memory to a local variable can incur copies. Passing a variable that has struct type as an argument to a function can also incur copies. As such, these two cases can incur increased register usage and decreased performance.

## Solution

- Remove/avoid a number of assignments of light struct type data to local variables.
- Remove/avoid a number of passing light struct type variables/data as value arguments to shader functions.
@cart cart mentioned this pull request Feb 24, 2023
Closed
@james7132 james7132 mentioned this pull request Mar 4, 2023
Closed
bors bot pushed a commit to bevyengine/bevy-website that referenced this pull request Mar 6, 2023
@cart @mockersf
@alice-i-cecile @hymm @BoxyUwU @IceSentry @JoJoJet @aevyrie @james7132 @coreh @Aceeri
News: Release 0.10.0 (#546)
b7c531e 
## How This Works

For the Bevy 0.10 release blog post (and for the first time ever), I'm publicly opening the doors to other people writing blog post sections. Specifically, if you worked on a feature in a substantial way and are interested in presenting it, you can now ask to claim a section by leaving a comment in this PR. If you claim a section, submit a pull request to the `release-0.10.0` branch in this repo. For the next week, we will be filling in sections (the release target is Saturday March 4th). Please don't claim a section if you don't plan on completing it within that timeline. Also don't claim a section if you weren't an active participant in the design and implementation of the change (unless you are a Maintainer or SME).

I will claim any unclaimed sections.

Try to match the style of previous release blog posts as much as possible.

1. Show, don't tell. Don't bombard people with information. Avoid large walls of text _and_ large walls of code. Prefer the pattern "byte sized description of one thing" -> "example code/picture/video contextualizing that one thing" -> repeat. Take readers on a journey step by simple step.
2. Don't use up reader's "mental bandwidth" without good reason. We can't afford page-long descriptions of minor bug fixes. If it isn't a "headliner change", keep the description short and sweet. If a change is self describing, let it do that (ex: We now support this new mesh shape primitive ... this is what it looks like). If it is a "headliner change", still try to keep it reasonable. We always have a lot to cover.
3. In slight competition with point (2), don't omit interesting technical information when it is truly fun and engaging. A good chunk of our users are highly technical and enjoy learning how the sausage is made. Try to strike a balance between "terse and simple" and "nerdy details".
4. When relevant, briefly describe the problem being solved first, then describe the solution we chose. This contextualizes the change and gives the feature value and purpose.
5. When possible, provide visuals. They create interest / keep people hooked / break up the monotony.
6. Record images and videos at the default bevy resolution (1280x720)
7. Provide an accurate listing of authors that meaningfully contributed to the feature. Try to sort in order of "contribution scale". This is hard to define, but try to be fair. When in doubt, ask other contributors, SMEs, and/or maintainers.
8. Provide numbers and graphs where possible.  If something is faster, use numbers to back it up. We don't (yet) have automated graph generation in blog post style, so send data / info to me (@cart) if you want a graph made.

## Headliners

Headliners are our "big ticket high importance / high profile" changes. They are listed briefly at the beginning of the blog post, their entries are roughly sorted "to the top", and they are given priority when it comes to "space in the blog post". If you think we missed something (or didn't prioritize something appropriately), let us know.

* ECS Schedule v3 (previously known as "stageless")  
* Partial Android Support
* Depth and Normal Prepass
* Environment Map Lighting
* Cascaded Shadow Maps
* Distance and Atmospheric Fog
* Smooth Skeletal Animation Transitions
* Enable Parallel Pipelined Rendering
* Windows as Entities
* Renderer Optimizations
* ECS Optimizations

## Sections

These are the sections we will cover in the blog post. If a section has been claimed, it will have `(claimed by X)` in the title. If it is unclaimed it will have `(unclaimed)` in the title. Let us know if we missed a section. We don't cover every feature, but we should cover pretty much everything that would be interesting to users. Note that what is interesting or challenging to implement is not necessarily something that is relevant to our blog post readers. And sometimes the reverse is true!

If you believe a section should be split up or reorganized, just bring it up here and we can discuss it.

### ~~Schedule V3 (claimed by @alice-i-cecile)~~

* [Migrate engine to Schedule v3][7267]
* [Add `bevy_ecs::schedule_v3` module][6587]
* [Stageless: fix unapplied systems][7446]
* [Stageless: move final apply outside of spawned executor][7445]
* Sets
* Base Sets
  * [Base Sets][7466]
* Reporting
  * [Report sets][7756]
  * [beter cycle reporting][7463]
* Run Conditions
  * [Add condition negation][7559]
  * [And/Or][7605]
  * [Add more common run conditions][7579]
* States
  * [States derive macro][7535]
* System Piping Flexibility
  * [Support piping exclusive systems][7023]
  * [Allow piping run conditions][7547]

### ~~Depth and Normal Prepass (claimed by @IceSentry)~~

* [Add depth and normal prepass][6284]
* [Move prepass functions to prepass_utils][7354]

### ~~Distance and Atmospheric Fog (claimed by @coreh)~~

* [Add Distance and Atmospheric Fog support][6412]

### ~~Cascaded Shadow Maps (claimed by @cart)~~

* [Cascaded shadow maps.][7064]
* [Better cascades config defaults + builder, tweak example configs][7456]

### ~~Environment Map Lighting (claimed by @cart)~~

* [EnvironmentMapLight, BRDF Improvements][7051]
* [Webgl2 support][7737]

### ~~Tonemapping options (claimed by @cart)~~

* [Initial tonemapping options][7594]

### ~~Android support + unification (claimed by @mockersf)~~

* [IOS, Android... same thing][7493]

### ~~Windows as Entities (claimed by @Aceeri)~~

* [Windows as Entities][5589]
* [break feedback loop when moving cursor][7298]
* [Fix `Window` feedback loop between the OS and Bevy][7517]

### ~~Enable Parallel Pipelined Rendering (claimed by @james7132)~~

* [Pipelined Rendering][6503]
* [Stageless: add a method to scope to always run a task on the scope thread][7415]
* [Separate Extract from Sub App Schedule][7046]

### ~~Smooth Skeletal Animation Transitions (claimed by @james7132)~~

* [Smooth Transition between Animations][6922]

### ~~Spatial Audio (claimed by @harudagondi)~~

* [Spatial Audio][6028]

### ~~Shader Processor Features (claimed by @cart)~~

* [Shader defs can now have a value][5900]
* [Shaders can now have #else ifdef chains][7431]
* [Define shader defs in shader][7518]

### ~~Shader Flexibility Improvements (claimed by @cart)~~

* [add ambient lighting hook][5428]
* [Refactor Globals and View structs into separate shaders][7512]

### ~~Renderer Optimizations (claimed by @james7132)~~

* [bevy_pbr: Avoid copying structs and using registers in shaders][7069]
* [Flatten render commands][6885]
* [Replace UUID based IDs with a atomic-counted ones][6988]
* [improve compile time by type-erasing wgpu structs][5950]
* [Shrink DrawFunctionId][6944]
* [Shrink ComputedVisibility][6305]
* [Reduce branching in TrackedRenderPass][7053]
* [Make PipelineCache internally mutable.][7205]
* [Improve `Color::hex` performance][6940]
* [Support recording multiple CommandBuffers in RenderContext][7248]
* [Parallelized transform propagation][4775]
* [Introduce detailed_trace macro, use in TrackedRenderPass][7639]
* [Optimize color computation in prepare_uinodes][7311]
* [Directly extract joints into SkinnedMeshJoints][6833]
* [Parallelize forward kinematics animation systems][6785]
* [Move system_commands spans into apply_buffers][6900]
* [Reduce the use of atomics in the render phase][7084]

### ~~ECS Optimizations (claimed by @james7132 )~~

* [Remove redundant table and sparse set component IDs from Archetype][4927]
* [Immutable sparse sets for metadata storage][4928]
* [Replace BlobVec's swap_scratch with a swap_nonoverlapping][4853]
* [Use T::Storage::STORAGE_TYPE to optimize out unused branches][6800]
* [Remove unnecessary branching from bundle insertion][6902]
* [Split Component Ticks][6547]
* [use bevy_utils::HashMap for better performance. TypeId is predefined …][7642]
* [Extend EntityLocation with TableId and TableRow][6681]
* [Basic adaptive batching for parallel quer- [Speed up `CommandQueue` by storing commands more densely][6391]y iteration][4777]

### ~~Reflect Improvements (claimed by @cart)~~

* [bevy_reflect: Add `ReflectFromReflect` (v2)][6245]
* [Add reflection support for VecDeque][6831]
* [reflect: add `insert` and `remove` methods to `List`][7063]
* [Add `remove` method to `Map` reflection trait.][6564]
* [bevy_reflect: Fix binary deserialization not working for unit structs][6722]
* [Add `TypeRegistrationDeserializer` and remove `BorrowedStr`][7094]
* [bevy_reflect: Add simple enum support to reflection paths][6560]
* [Enable deriving Reflect on structs with generic types][7364]
* [bevy_reflect: Support tuple reflection paths][7324]
* [bevy_reflect: Pre-parsed paths][7321]
* [bevy_ecs: ReflectComponentFns without World][7206]

### ~~AsBindGroup Improvements (claimed by @cart)~~

* [Support storage buffers in derive `AsBindGroup`][6129]
* [Support raw buffers in AsBindGroup][7701]

### ~~Cylinder Shape (claimed by @cart)~~

* [Add cylinder shape][6809]

### ~~Subdividable Plane Shape (claimed by @cart)~~

* [added subdivisions to shape::Plane][7546]

### ~~StandardMaterial Blend Modes (claimed by @coreh)~~

* [Standard Material Blend Modes][6644]

### ~~Configurable Visibility Component (claimed by @cart)~~

* [enum `Visibility` component][6320]

### Task Improvements (claimed by @cart)

* [Fix panicking on another scope][6524]
* [Add thread create/destroy callbacks to TaskPool][6561]
* [Thread executor for running tasks on specific threads.][7087]
* [await tasks to cancel][6696]
* [Stageless: move MainThreadExecutor to schedule_v3][7444]
* [Stageless: close the finish channel so executor doesn't deadlock][7448]

### ~~Upgrade to wgpu 0.15 (claimed by @cart)~~

* [Wgpu 0.15][7356]

### ~~Expose Bindless / Non-uniform Indexing Support (claimed by @cart)~~

* [Request WGPU Capabilities for Non-uniform Indexing][6995]

### ~~Cubic Spline (claimed by @aevyrie)~~

* [Bezier][7653]

### ~~Revamp Bloom (claimed by @JMS55)~~

* [Revamp bloom](bevyengine/bevy#6677)

### ~~Use Prepass Shaders for Shadows (claimed by @superdump)~~

* [use prepass shaders for shadows](bevyengine/bevy#7784)

### ~~AccessKit (claimed by @alice-i-cecile)~~

* [accesskit](bevyengine/bevy#6874)

### ~~Camera Output Modes (claimed by @cart)~~

* [camera output modes](bevyengine/bevy#7671)

### ~~SystemParam Improvements (claimed by @JoJoJet)~~

* [Make the `SystemParam` derive macro more flexible][6694]
* [Add a `SystemParam` primitive for deferred mutations; allow `#[derive]`ing more types of SystemParam][6817]

### ~~Gamepad Improvements (claimed by @cart)~~

* [Gamepad events refactor][6965]
* [add `Axis::devices` to get all the input devices][5400]

### ~~Input Methods (claimed by @cart)~~

* [add Input Method Editor support][7325]

### ~~Color Improvements (claimed by @cart)~~

* [Add LCH(ab) color space to `bevy_render::color::Color`][7483]
* [Add a more familiar hex color entry][7060]

### ~~Split Up CorePlugin (claimed by @cart)~~

* [Break `CorePlugin` into `TaskPoolPlugin`, `TypeRegistrationPlugin`, `FrameCountPlugin`.][7083]

### ~~ExtractComponent Derive (claimed by @cart)~~

* [Extract component derive][7399]

### ~~Added OpenGL and DX11 Backends By Default (claimed by @cart)~~

* [add OpenGL and DX11 backends][7481]

### ~~UnsafeWorldCell (claimed by @BoxyUwU)~~

* [Move all logic to `UnsafeWorldCell`][7381]
* [Rename `UnsafeWorldCellEntityRef` to `UnsafeEntityCell`][7568]

### ~~Entity Commands (claimed by @cart)~~

* [Add a trait for commands that run for a given `Entity`][7015]

* [Add an extension trait to `EntityCommands` to update hierarchy while preserving `GlobalTransform`][7024]
* [Add ReplaceChildren and ClearChildren EntityCommands][6035]

### ~~Iterate EntityRef (claimed by @james7132)~~

* [Allow iterating over with EntityRef over the entire World][6843]

### ~~Ref Queries (@JoJoJet)~~

* [Added Ref to allow immutable access with change detection][7097]

### ~~Taffy Upgrade (claimed by @cart)~~

* [Upgrade to Taffy 0.2][6743]

### ~~Relative Cursor Position (claimed by @cart)~~

* [Relative cursor position][7199]

### ~~Const UI Config (claimed by @cart)~~

* [Add const to methods and const defaults to bevy_ui][5542]

### ~~Examples (claimed by @cart)~~

* [Add pixelated Bevy to assets and an example][6408]
* [Organized scene_viewer into plugins for reuse and organization][6936]

### ~~CI Improvements (claimed by @cart)~~

* [add rust-version for MSRV and CI job to check][6852]
* [msrv: only send a message on failure during the actual msrv part][7532]
* [Make CI friendlier][7398]
* [Fix CI welcome message][7428]
* [add an action to ask for a migration guide when one is missing][7507]

### ~~SMEs (@cart)~~

This was already covered in another blog post. Just briefly call out what they are and that this is the first release that used them. Link to the other blog post.

* [Subject Matter Experts and new Bevy Org docs][7185]

[4775]: bevyengine/bevy#4775
[4777]: bevyengine/bevy#4777
[4853]: bevyengine/bevy#4853
[4927]: bevyengine/bevy#4927
[4928]: bevyengine/bevy#4928
[5400]: bevyengine/bevy#5400
[5428]: bevyengine/bevy#5428
[5542]: bevyengine/bevy#5542
[5589]: bevyengine/bevy#5589
[5900]: bevyengine/bevy#5900
[5950]: bevyengine/bevy#5950
[6028]: bevyengine/bevy#6028
[6035]: bevyengine/bevy#6035
[6129]: bevyengine/bevy#6129
[6179]: bevyengine/bevy#6179
[6245]: bevyengine/bevy#6245
[6284]: bevyengine/bevy#6284
[6305]: bevyengine/bevy#6305
[6320]: bevyengine/bevy#6320
[6391]: bevyengine/bevy#6391
[6408]: bevyengine/bevy#6408
[6412]: bevyengine/bevy#6412
[6503]: bevyengine/bevy#6503
[6524]: bevyengine/bevy#6524
[6547]: bevyengine/bevy#6547
[6557]: bevyengine/bevy#6557
[6560]: bevyengine/bevy#6560
[6561]: bevyengine/bevy#6561
[6564]: bevyengine/bevy#6564
[6587]: bevyengine/bevy#6587
[6644]: bevyengine/bevy#6644
[6649]: bevyengine/bevy#6649
[6681]: bevyengine/bevy#6681
[6694]: bevyengine/bevy#6694
[6696]: bevyengine/bevy#6696
[6722]: bevyengine/bevy#6722
[6743]: bevyengine/bevy#6743
[6785]: bevyengine/bevy#6785
[6800]: bevyengine/bevy#6800
[6802]: bevyengine/bevy#6802
[6809]: bevyengine/bevy#6809
[6817]: bevyengine/bevy#6817
[6831]: bevyengine/bevy#6831
[6833]: bevyengine/bevy#6833
[6843]: bevyengine/bevy#6843
[6852]: bevyengine/bevy#6852
[6885]: bevyengine/bevy#6885
[6900]: bevyengine/bevy#6900
[6902]: bevyengine/bevy#6902
[6922]: bevyengine/bevy#6922
[6926]: bevyengine/bevy#6926
[6936]: bevyengine/bevy#6936
[6940]: bevyengine/bevy#6940
[6944]: bevyengine/bevy#6944
[6965]: bevyengine/bevy#6965
[6988]: bevyengine/bevy#6988
[6995]: bevyengine/bevy#6995
[7015]: bevyengine/bevy#7015
[7023]: bevyengine/bevy#7023
[7024]: bevyengine/bevy#7024
[7046]: bevyengine/bevy#7046
[7051]: bevyengine/bevy#7051
[7053]: bevyengine/bevy#7053
[7060]: bevyengine/bevy#7060
[7063]: bevyengine/bevy#7063
[7064]: bevyengine/bevy#7064
[7069]: bevyengine/bevy#7069
[7083]: bevyengine/bevy#7083
[7084]: bevyengine/bevy#7084
[7087]: bevyengine/bevy#7087
[7094]: bevyengine/bevy#7094
[7097]: bevyengine/bevy#7097
[7185]: bevyengine/bevy#7185
[7199]: bevyengine/bevy#7199
[7205]: bevyengine/bevy#7205
[7206]: bevyengine/bevy#7206
[7248]: bevyengine/bevy#7248
[7267]: bevyengine/bevy#7267
[7298]: bevyengine/bevy#7298
[7311]: bevyengine/bevy#7311
[7321]: bevyengine/bevy#7321
[7324]: bevyengine/bevy#7324
[7325]: bevyengine/bevy#7325
[7354]: bevyengine/bevy#7354
[7356]: bevyengine/bevy#7356
[7364]: bevyengine/bevy#7364
[7381]: bevyengine/bevy#7381
[7398]: bevyengine/bevy#7398
[7399]: bevyengine/bevy#7399
[7415]: bevyengine/bevy#7415
[7428]: bevyengine/bevy#7428
[7431]: bevyengine/bevy#7431
[7444]: bevyengine/bevy#7444
[7445]: bevyengine/bevy#7445
[7446]: bevyengine/bevy#7446
[7448]: bevyengine/bevy#7448
[7456]: bevyengine/bevy#7456
[7463]: bevyengine/bevy#7463
[7466]: bevyengine/bevy#7466
[7481]: bevyengine/bevy#7481
[7483]: bevyengine/bevy#7483
[7493]: bevyengine/bevy#7493
[7507]: bevyengine/bevy#7507
[7510]: bevyengine/bevy#7510
[7512]: bevyengine/bevy#7512
[7517]: bevyengine/bevy#7517
[7518]: bevyengine/bevy#7518
[7532]: bevyengine/bevy#7532
[7535]: bevyengine/bevy#7535
[7546]: bevyengine/bevy#7546
[7547]: bevyengine/bevy#7547
[7559]: bevyengine/bevy#7559
[7568]: bevyengine/bevy#7568
[7579]: bevyengine/bevy#7579
[7594]: bevyengine/bevy#7594
[7605]: bevyengine/bevy#7605
[7639]: bevyengine/bevy#7639
[7642]: bevyengine/bevy#7642
[7653]: bevyengine/bevy#7653
[7701]: bevyengine/bevy#7701
[7737]: bevyengine/bevy#7737
[7756]: bevyengine/bevy#7756


Co-authored-by: François <mockersf@gmail.com>
Co-authored-by: Alice Cecile <alice.i.cecile@gmail.com>
Co-authored-by: Mike <mike.hsu@gmail.com>
Co-authored-by: Boxy <supbscripter@gmail.com>
Co-authored-by: IceSentry <c.giguere42@gmail.com>
Co-authored-by: JoJoJet <21144246+JoJoJet@users.noreply.github.com>
Co-authored-by: Aevyrie <aevyrie@gmail.com>
Co-authored-by: James Liu <contact@jamessliu.com>
Co-authored-by: Marco Buono <thecoreh@gmail.com>
Co-authored-by: Aceeri <conmcclusk@gmail.com>
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A-Rendering Drawing game state to the screen C-Performance A change motivated by improving speed, memory usage or compile times
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@superdump @cart @IceSentry