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Lower blas_max_primitve_count (#8446)

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Vecvec 2025-10-30 16:03:34 +13:00 committed by GitHub
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CHANGELOG.md
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@ -81,6 +81,7 @@ SamplerDescriptor {
#### General #### General
- Lower `max_blas_primitive_count` due to a bug in llvmpipe. By @Vecvec in [#8446](https://github.com/gfx-rs/wgpu/pull/8446).
- Texture now has `from_custom`. By @R-Cramer4 in [#8315](https://github.com/gfx-rs/wgpu/pull/8315). - Texture now has `from_custom`. By @R-Cramer4 in [#8315](https://github.com/gfx-rs/wgpu/pull/8315).
- Using both the wgpu command encoding APIs and `CommandEncoder::as_hal_mut` on the same encoder will now result in a panic. - Using both the wgpu command encoding APIs and `CommandEncoder::as_hal_mut` on the same encoder will now result in a panic.
- Allow `include_spirv!` and `include_spirv_raw!` macros to be used in constants and statics. By @clarfonthey in [#8250](https://github.com/gfx-rs/wgpu/pull/8250). - Allow `include_spirv!` and `include_spirv_raw!` macros to be used in constants and statics. By @clarfonthey in [#8250](https://github.com/gfx-rs/wgpu/pull/8250).

2
wgpu-types/src/lib.rs
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@ -1018,7 +1018,7 @@ impl Limits {
Self { Self {
max_blas_geometry_count: (1 << 24) - 1, // 2^24 - 1: Vulkan's minimum max_blas_geometry_count: (1 << 24) - 1, // 2^24 - 1: Vulkan's minimum
max_tlas_instance_count: (1 << 24) - 1, // 2^24 - 1: Vulkan's minimum max_tlas_instance_count: (1 << 24) - 1, // 2^24 - 1: Vulkan's minimum
max_blas_primitive_count: 1 << 28, // 2^28: Metal's minimum max_blas_primitive_count: (1 << 24) - 1, // Should be 2^28: Metal's minimum, but due to an llvmpipe bug it is 2^24 - 1
max_acceleration_structures_per_shader_stage: 16, // Vulkan's minimum max_acceleration_structures_per_shader_stage: 16, // Vulkan's minimum
..self ..self
} }