Fix deferred lighting pass values not all working on M1 in WebGL2 #10304
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alice-i-cecile
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ameknite
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…vyengine#10304) # Objective - On MacOS M1 WebGL2 the deferred lighting ID depth comparison is failing for some values (including 1, the default) Note: this issue is just with WebGL2, native on MacOS M1 is working with current bevy main. ## Solution - Use Depth16Unorm for lighting pass id format. This format is aliasing to the same value consistently (in [copy_deferred_lighting_id](https://github.com/bevyengine/bevy/blob/main/crates/bevy_core_pipeline/src/deferred/copy_deferred_lighting_id.wgsl#L15) and [deferred_lighting](https://github.com/bevyengine/bevy/blob/main/crates/bevy_pbr/src/deferred/deferred_lighting.wgsl#L39)) on MacOS M1 WebGL, and appears to be supported across WebGL2, WebGPU, DX12, OpenGL 3.3, Vulkan. Successfully tested all 256 ids on: - MacOS M1 native and WebGL2 - Window RTX3060 Vulkan/DX12/WebGL2 - Windows Intel UHD Graphics 630 IGP DX12/WebGL2 (bevy w/ Vulkan doesn't work on this IGP in general bevyengine#8037)
rdrpenguin04
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…vyengine#10304) # Objective - On MacOS M1 WebGL2 the deferred lighting ID depth comparison is failing for some values (including 1, the default) Note: this issue is just with WebGL2, native on MacOS M1 is working with current bevy main. ## Solution - Use Depth16Unorm for lighting pass id format. This format is aliasing to the same value consistently (in [copy_deferred_lighting_id](https://github.com/bevyengine/bevy/blob/main/crates/bevy_core_pipeline/src/deferred/copy_deferred_lighting_id.wgsl#L15) and [deferred_lighting](https://github.com/bevyengine/bevy/blob/main/crates/bevy_pbr/src/deferred/deferred_lighting.wgsl#L39)) on MacOS M1 WebGL, and appears to be supported across WebGL2, WebGPU, DX12, OpenGL 3.3, Vulkan. Successfully tested all 256 ids on: - MacOS M1 native and WebGL2 - Window RTX3060 Vulkan/DX12/WebGL2 - Windows Intel UHD Graphics 630 IGP DX12/WebGL2 (bevy w/ Vulkan doesn't work on this IGP in general bevyengine#8037)
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Objective
Note: this issue is just with WebGL2, native on MacOS M1 is working with current bevy main.
Solution
This format is aliasing to the same value consistently (in copy_deferred_lighting_id and deferred_lighting) on MacOS M1 WebGL, and appears to be supported across WebGL2, WebGPU, DX12, OpenGL 3.3, Vulkan.
Successfully tested all 256 ids on:
(bevy w/ Vulkan doesn't work on this IGP in general Broken rendering in examples on intel graphics #8037)